Appendix B
Appendix B
1.1
Precursor risk contributions (Table B1)
Introduction
Precursors represent the underlying causes that can lead to the hazardous events modelled
in the SRM. The risk contribution from each precursor to its associated hazardous event is
presented in Table B1. Table B1 below, provides the risk contribution for precursors in FWI
per year. The Excel version of Table B1 (which can be downloaded from the RSSB website)
has been extended and contains the risk contribution for precursors in FWI/year,
fatalities/year, major injuries/year, minor injuries/year, and shock/trauma class 1 or class 2
injuries/year. The risk contributions in Table B1 represent how much the total risk for the
hazardous event would reduce by if the failure frequency or probability for the precursor were
reduced to zero, as well as the precursor percentage risk contribution.
For precursors where no data is available, the following techniques have been used (where
possible) to assign frequencies or probabilities:
a)
b)
c)
Empirical Bayes Estimates1
Expert judgement from technical specialists within RSSB
A statistical method using the chi-squared ( 2) distribution for zero failures2
Where it has not been possible to carry out the techniques listed above, a value of zero has
been assigned. In such cases, the actual data gives a reasonable estimate of the hazardous
event frequency, such that the above assumption is unlikely to produce significant errors in
the frequency estimates. A research project has been commenced to examine the
methodologies available for use where little or no data exists as part of the RSSB research
and development programme.
Some of the hazardous events have been broken down into sub-hazardous event categories,
eg HEM-10 is split into HEM-10A, HEM-10B and HEM-10 OTP. Generally, this is because
the consequences for the sub–hazardous events are significantly different from each other.
1
Bedford,T, Quigley, J. and Walls, L. (2003) Statistical review of SRM:WP2 Report, Strathclyde University,
Glasgow.
2
Green, AE and Bourne, AJ Reliability Technology, March 1977
Version 6.1 – June 2009
1
Appendix B
The following abbreviations and acronyms have been used in the Appendix B precursor
descriptions:
2
Abbreviation
Meaning
ABCL
automatic barrier crossing (locally monitored by train crew)
AHB
automatic half barrier
AOCL
automatic open level crossing (locally monitored by train crew)
Cat D SPAD
category D SPAD (runaway train)
Comm
communication
CP
conflict point
DEMU
diesel-electric multiple unit
DLOCO
diesel locomotive
DMU
diesel multiple unit
ECS
empty coaching stock
ELOCO
electric locomotive
EMU
electric multiple unit
FP
footpath level crossing
FT
freight, ECS and parcels train
FTF
derailment of freight trains on freight only lines
FTP
derailment of freight trains on passenger lines
FWI
fatalities and weighted injuries
H&V
heating and ventilation
HE
hazardous event
HEM
novement accident
HEN
non-movement accident
HET
train accident
HST
high speed train
IC
infrastructure controller
junc
junction
LC/LX
level crossing
MCB
manually controlled barrier crossing
MG
manned gates
MG/B
manual gate barrier
MOPs
members of the public
Miscomm
miscommunication
MWL
miniature warning lights
NPT
non-passenger train
OC
open crossing
OHL
overhead line
OHLE
overhead line equipment
OL
overlap
OTM
on-track machine
OTP
on-track plant
PCLS
parcels (freight)
Version 6.1 – June 2009
Appendix B
Abbreviation
Meaning
POS
possession
PT
passenger train
NRMI
Network Rail managed infrastructure
Resp
responsibility
RTA
road traffic accident
RV
road vehicle
S&C
switches and crossings
SAS
start against signal
SAS O
start against running line signal
SAS P
start against platform starter signal
SBC
station barrow crossing
Sig
signal
SPAD
signal passed at danger
SPC
station pedestrian crossing
TPWS
train protection and warning system
UWC (+T)
user worked crossing (+ telephone)
UWG
user-worked gated crossing
WSF
wrong-side signal failures
The ‘Groups’ in Table B1 refer to SPAD error groupings determined as a result of Lord
Cullen’s recommendations3.
Current error category
SPAD sub-category
Group 1
Ambiguous/incomplete information given
Correct information given but misunderstood
Information not given
Wrong information given
Anticipation of signal clearance
Failing to check signal aspect
Failing to locate signal aspect
Failing to react to caution aspect
Ignorance of rules/instructions
Violation of rules/instructions
Misread previous signal
Viewed correct signal misread aspect
Viewed wrong signal
Misjudges environmental conditions
Misjudges train behaviour
Type unknown
None of the above
Group 2
Group 3
Group 4
Group 5
3
p.231, Part 1 Report, The Ladbroke Grove Rail Inquiry, the Rt. Hon Lord Cullen PC
Version 6.1 – June 2009
3
Appendix B
For version 6 of the SRM, Table B1 explicitly describes the normaliser used to calculate the
normalised frequency for each hazardous event precursor, e.g. broken rail per passenger
train mile. The following table shows the normalisers:
4
Normaliser
(abbreviation)
Normaliser description
Pass. trn kms
Number of passenger train kilometres per year
Non pass. trn kms
Number of non-passenger train kilometres per year
Tot. trn kms
Total number of train kilometres per year
OTP hrs
Number of hours per year of on-track plant operation
Stations
Total number of NRMI stations
Frt. tr. km on ps. lines
Number of freight train kms on passenger lines per year
52,254,533
Frt. tr. km on frt. lines
Number of freight train kms on freight only lines per year
3,618,898
ECS & parcels trn
kms
Number of empty coaching stock and parcels train
kilometres per year
Pass. D-Loco trn kms
Number of DLOCO passenger stock kilometres per year
Pass. DMU trn kms
Number of DMU passenger stock kilometres per year
Pass. E-Loco trn kms
Number of ELOCO passenger stock kilometres per year
Pass. EMU trn kms
Number of EMU passenger stock kilometres per year
209,296,893
Pass. HST trn kms
Number of HST passenger stock kilometres per year
26,021,377
ECS trn kms
Number of ECS stock kilometres per year
24,809,522
Frt & parcels trn kms
Number of freight and parcel kilometres miles per year
56,197,714
Trk wrkr hrs
Number of full time equivalent track worker hours per year
54,900,000
Pass. jour
Number of passenger journeys per year
LXs: MG, MCB +
CCTV
Number of manual gates, manually controlled barriers and
closed circuit television level crossings
805
LXs: AHB
Number of automatic half barrier level crossings
452
LXs: ABCL
Number of automatic barrier crossings locally monitored
LXs: AOCL
Number of automatic open crossings locally monitored
LXs: FP
Number of footpath crossings
LXs: OC
Number of open crossings
LXs: UWC + T
Number of user-worked crossings with telephone
LXs: UWC
Number of user-worked crossings
LXs: UWC + MWL
Number of user-worked crossings with miniature warning
lights
Trk mtrs
Total track metres on NRMI
SRMv6 value
452,901,284
81,007,235
533,908,519
2,261,376
2541
25,133,805
1,052,543
198,739,348
17,791,123
1.128x109
48
120
2,483
51
1,624
980
88
31,151,000
Version 6.1 – June 2009
Appendix B
The final column of the table indicates how the precursor was derived, and takes one of the
following three values:
D Predominately based on data (may include some minor expert judgement element)
E Entirely estimated frequency/probability used
N No data available
Table B1 in Excel
The Excel version of Table B1 contains more detail than the printed version. Additional
information can be accessed using the expansion and filter buttons on the sheet. The
following information is available:
Summary row
Column totals:
-
Summing only the unhidden rows (eg. when filtered) and not
including subtotals in the rows below
Train collisions
-
National frequency of SPADs (events / normaliser)
(HET-01, HET-02 and HET-03)
-
National frequency of SPADs (events / year)
Passenger,
Breakdown of risk shown in terms of:
Workforce,
-
Fatalities/year
Member of Public
-
Major injuries/year
risk breakdown
-
Rep. minor injuries/year
-
Non-rep. minor injuries/year
-
Shock/trauma injuries/year
Further expansion to show:
Customised grouping of risk
-
Fatalities/event
-
Major injuries/event
-
Rep. minor injuries/event
-
Non-rep. minor injuries/event
-
Shock/trauma injuries/event
The Excel filter buttons at the top of each column can be useful to
filter rows to show only Hazardous Events or Precursors of particular
interest, eg. relating to miscommunication, open level crossings, or
bridges, etc. Once filtered the summary row will sum only the
precursors that are visible.
The Excel version of Table B1 released on the RSSB website will be compatible with both
the 2003 and the 2007 versions of MS Excel.
Version 6.1 – June 2009
5
Appendix B
The following diagrams indicate how to access the additional information described above by
using the Excel grouping buttons to expand the table to reveal hidden data:
Chart 1.
Table B1 in Excel – extra data
Click here to expand row to
reveal the summary row.
Click here to expand columns
into passenger, workforce, and
member of public breakdowns.
Click here to expand columns to reveal
the HET- 1, 2, & 3 SPAD data.
Chart 2.
Table B1 in Excel – expanded view
Expanded to reveal
summary row.
Expanded to reveal consequences per
event as well as per year.
Expanded to reveal passenger, workforce,
and member of public breakdowns.
6
Version 6.1 – June 2009
Appendix B
Filter buttons can be used to customise the viewed precursor rows to show (and include in
the Totals) only the precursors of particular interest. As an example below the precursors
relating to coupling have been identified using the filter buttons.
Chart 3.
Table B1 in Excel – Filtering
Click on the filter button to open
dialogue box and select custom.
In this example only the precursors that
“contain” the word “coupling” have been
selected using the dialogue box.
The summary row only sums the visible rows
(i.e. those with “coupling” in the description).
Version 6.1 – June 2009
7
Appendix B
Page left blank intentionally
8
Version 6.1 – June 2009
Table B
Hazardous Event Precursor code
Number
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
Cause precursor description
Normaliser
Collision between two trains resulting from a passenger train Cat A SPAD, Cat D SPAD/runaway train, misrouted train, or WSF
Wrong information given by driver/signaller (Group 1):
PFC3‐‐J
PT SPAD due to miscomm of wrong info given at junc
Pass. trn kms
PFC3‐‐JP
PT SPAD due to miscomm of wrong info given at junc SAS P
Pass. trn kms
PFC3‐‐JO
PT SPAD due to miscomm of wrong info given at junc SAS O
Pass. trn kms
PFC3‐‐PO
PT SPAD due to miscomm of wrong info given on pln line SAS O
Pass. trn kms
PFC3‐‐PP
PT SPAD due to miscomm of wrong info given on pln line SAS P
Pass. trn kms
PFC3‐‐P
PT SPAD due to miscomm of wrong info given on pln line
Pass. trn kms
Ambiguous or incomplete information given by driver/signaller (Group 1):
PFC1‐‐JO
PT SPAD due to miscomm of ambiguous/incomplete info at junc SAS O
Pass. trn kms
PFC1‐‐J
PT SPAD due to miscomm of ambiguous/incomplete info at junc
Pass. trn kms
PFC1‐‐JP
PT SPAD due to miscomm of ambiguous/incomplete info at junc SAS P
Pass. trn kms
PFC1‐‐P
PT SPAD due to miscomm of ambiguous/incomplete info on pln line
Pass. trn kms
PFC1‐‐PP
PT SPAD due to miscomm of ambiguous/incomplete info on pln line SAS P
Pass. trn kms
PFC1‐‐PO
PT SPAD due to miscomm of ambiguous/incomplete info on pln line SAS O
Pass. trn kms
Correct information given but misunderstood by driver/signaller (Group 1):
PFC2‐‐JP
PT SPAD due to miscomm of correct info given but misunderstood at junc SAS P
Pass. trn kms
PFC2‐‐J
PT SPAD due to miscomm of correct info given but misunderstood at junc
Pass. trn kms
PFC2‐‐JO
PT SPAD due to miscomm of correct info given but misunderstood at junc SAS O
Pass. trn kms
PFC2‐‐PO
PT SPAD due to miscomm of correct info given but misunderstood on pln line SAS O
Pass. trn kms
PFC2‐‐PP
PT SPAD due to miscomm of correct info given but misunderstood on pln line SAS P
Pass. trn kms
PFC2‐‐P
PT SPAD due to miscomm of correct info given but misunderstood on pln line
Pass. trn kms
Information not given by driver/signaller (Group 1):
PFC4‐‐JP
PT SPAD due to miscomm of info not given at junc SAS P
Pass. trn kms
PFC4‐‐JO
PT SPAD due to miscomm of info not given at junc SAS O
Pass. trn kms
PFC4‐‐J
PT SPAD due to miscomm of info not given at junc
Pass. trn kms
PFC4‐‐PO
PT SPAD due to miscomm of info not given on pln line SAS O
Pass. trn kms
PFC4‐‐PP
PT SPAD due to miscomm of info not given on pln line SAS P
Pass. trn kms
PFC4‐‐P
PT SPAD due to miscomm of info not given on pln line
Pass. trn kms
Driver fails to check signal aspect (Group 2):
PFD2‐‐J
PT SPAD due to driver failure to check signal aspect at junc
Pass. trn kms
PFD2‐‐JP
PT SPAD due to driver failure to check signal aspect at junc SAS P
Pass. trn kms
PFD2‐‐P
PT SPAD due to driver failure to check signal aspect on pln line
Pass. trn kms
PFD2‐‐PP
PT SPAD due to driver failure to check signal aspect on pln line SAS P
Pass. trn kms
PFD2‐‐JO
PT SPAD due to driver failure to check signal aspect at junc SAS O
Pass. trn kms
PFD2‐‐PO
PT SPAD due to driver failure to check signal aspect on pln line SAS O
Pass. trn kms
Driver fails to react to cautionary aspect (Group 2):
PFD4‐‐J
PT SPAD due to driver failure to react to caution aspect at junc
Pass. trn kms
PFD4‐‐P
PT SPAD due to driver failure to react to caution aspect on pln line
Pass. trn kms
Version 6.1 – June 2009
National frequency (events/ normaliser)
1.67E‐12
1.16E‐12
1.16E‐12
2.16E‐13
2.16E‐13
1.13E‐13
3.34E‐12
3.34E‐12
1.16E‐12
3.26E‐13
3.12E‐13
3.12E‐13
5.01E‐12
5.01E‐12
1.67E‐12
3.12E‐13
3.12E‐13
1.13E‐13
1.16E‐12
1.16E‐12
1.16E‐12
2.16E‐13
2.16E‐13
1.13E‐13
6.35E‐11
2.98E‐11
6.42E‐12
3.92E‐12
4.42E‐12
1.77E‐12
1.00E‐10
2.36E‐11
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.2932
0.0021
7.57E‐04
5.25E‐04
5.25E‐04
9.78E‐05
9.78E‐05
5.12E‐05
0.0040
0.0015
0.0015
5.25E‐04
1.48E‐04
1.41E‐04
1.41E‐04
0.0056
0.0023
0.0023
7.57E‐04
1.41E‐04
1.41E‐04
5.12E‐05
0.0018
5.25E‐04
5.25E‐04
5.25E‐04
9.78E‐05
9.78E‐05
5.12E‐05
0.0498
0.0288
0.0135
0.0029
0.0018
0.0020
8.00E‐04
0.0560
0.0453
0.0107
0.5384
0.0050
0.0019
0.0013
0.0013
2.05E‐04
2.05E‐04
1.07E‐04
0.0097
0.0037
0.0037
0.0013
3.09E‐04
2.95E‐04
2.95E‐04
0.0138
0.0056
0.0056
0.0019
2.95E‐04
2.95E‐04
1.07E‐04
0.0044
0.0013
0.0013
0.0013
2.05E‐04
2.05E‐04
1.07E‐04
0.0875
0.0491
0.0235
0.0061
0.0037
0.0035
0.0017
0.0971
0.0747
0.0224
100.00%
0.93%
0.35%
0.24%
0.24%
0.04%
0.04%
0.02%
1.80%
0.70%
0.70%
0.24%
0.06%
0.05%
0.05%
2.56%
1.04%
1.04%
0.35%
0.05%
0.05%
0.02%
0.82%
0.24%
0.24%
0.24%
0.04%
0.04%
0.02%
16.26%
9.11%
4.36%
1.13%
0.69%
0.66%
0.31%
18.03%
13.88%
4.15%
D
E
E
E
E
E
D
D
E
D
D
D
D
D
D
D
D
E
E
E
E
E
E
E
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
9
Table B
Hazardous Event Precursor code
Number
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
Cause precursor description
Driver violation of rules/instructions (Group 2):
PFD6‐‐J
PT SPAD due to driver violation of rules/instructions at junc
PFD6‐‐P
PT SPAD due to driver violation of rules/instructions on pln line
PFD6‐‐PO
PT SPAD due to driver violation of rules/instructions on pln line SAS O
PFD6‐‐JP
PT SPAD due to driver violation of rules/instructions at junc SAS P
PFD6‐‐JO
PT SPAD due to driver violation of rules/instructions at junc SAS O
PFD6‐‐PP
PT SPAD due to driver violation of rules/instructions on pln line SAS P
Driver fails to locate signal (Group 2):
PFD3‐‐J
PT SPAD due to driver failure to locate signal aspect at junc
PFD3‐‐P
PT SPAD due to driver failure to locate signal aspect on pln line
PFD3‐‐PO
PT SPAD due to driver failure to locate signal aspect on pln line SAS O
PFD3‐‐JO
PT SPAD due to driver failure to locate signal aspect at junc SAS O
PFD3‐‐JP
PT SPAD due to driver failure to locate signal aspect at junc SAS P
PFD3‐‐PP
PT SPAD due to driver failure to locate signal aspect on pln line SAS P
Driver anticipates signal clearance (Group 2):
PFD1‐‐J
PT SPAD due to driver anticipation of signal clearance at junc
PFD1‐‐P
PT SPAD due to driver anticipation of signal clearance on pln line
PFD1‐‐JO
PT SPAD due to driver anticipation of signal clearance at junc SAS O
PFD1‐‐JP
PT SPAD due to driver anticipation of signal clearance at junc SAS P
PFD1‐‐PP
PT SPAD due to driver anticipation of signal clearance on pln line SAS P
PFD1‐‐PO
PT SPAD due to driver anticipation of signal clearance on pln line SAS O
Driver ignorance of rules/instructions (Group 2):
PFD5‐‐J
PT SPAD due to driver ignorance of rules/instructions at junc
PFD5‐‐JO
PT SPAD due to driver ignorance of rules/instructions at junc SAS O
PFD5‐‐JP
PT SPAD due to driver ignorance of rules/instructions at junc SAS P
PFD5‐‐PP
PT SPAD due to driver ignorance of rules/instructions on pln line SAS P
PFD5‐‐PO
PT SPAD due to driver ignorance of rules/instructions on pln line SAS O
PFD5‐‐P
PT SPAD due to driver ignorance of rules/instructions on pln line
Driver misreads by viewing wrong signal (Group 3):
PFR3‐‐J
PT SPAD due to driver viewing the wrong signal at junc
PFR3‐‐P
PT SPAD due to driver viewing the wrong signal on pln line
PFR3‐‐JP
PT SPAD due to driver viewing the wrong signal at junc SAS P
PFR3‐‐JO
PT SPAD due to driver viewing the wrong signal at junc SAS O
PFR3‐‐PO
PT SPAD due to driver viewing the wrong signal on pln line SAS O
PFR3‐‐PP
PT SPAD due to driver viewing the wrong signal on pln line SAS P
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
7.50E‐12
1.29E‐12
9.83E‐13
1.17E‐12
9.22E‐13
1.82E‐13
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
3.33E‐11
5.84E‐12
8.31E‐13
9.83E‐13
5.11E‐13
3.12E‐13
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
1.47E‐11
3.36E‐12
7.37E‐13
7.37E‐13
3.12E‐13
2.16E‐13
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
4.24E‐12
5.11E‐13
5.11E‐13
2.16E‐13
2.16E‐13
1.63E‐13
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
3.08E‐11
2.28E‐12
7.37E‐13
5.11E‐13
3.12E‐13
3.12E‐13
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0055
0.0034
5.86E‐04
4.45E‐04
5.29E‐04
4.17E‐04
8.23E‐05
0.0189
0.0151
0.0026
3.76E‐04
4.45E‐04
2.31E‐04
1.41E‐04
0.0091
0.0067
0.0015
3.34E‐04
3.34E‐04
1.41E‐04
9.78E‐05
0.0027
0.0019
2.31E‐04
2.31E‐04
9.78E‐05
9.78E‐05
7.38E‐05
0.0158
0.0139
0.0010
3.34E‐04
2.31E‐04
1.41E‐04
1.41E‐04
0.0096
0.0056
0.0012
9.30E‐04
9.07E‐04
7.37E‐04
1.72E‐04
0.0328
0.0251
0.0055
7.87E‐04
7.86E‐04
3.97E‐04
2.95E‐04
0.0159
0.0111
0.0032
5.90E‐04
5.72E‐04
2.95E‐04
2.05E‐04
0.0046
0.0032
4.09E‐04
3.97E‐04
2.05E‐04
2.05E‐04
1.54E‐04
0.0277
0.0240
0.0022
5.72E‐04
4.09E‐04
2.95E‐04
2.95E‐04
1.78%
1.04%
0.23%
0.17%
0.17%
0.14%
0.03%
6.10%
4.65%
1.03%
0.15%
0.15%
0.07%
0.05%
2.96%
2.06%
0.59%
0.11%
0.11%
0.05%
0.04%
0.85%
0.59%
0.08%
0.07%
0.04%
0.04%
0.03%
5.15%
4.46%
0.40%
0.11%
0.08%
0.05%
0.05%
D
D
D
D
D
E
D
D
D
D
E
D
D
D
D
D
D
E
D
E
E
E
E
D
D
D
D
E
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
10
Table B
Hazardous Event Precursor code
Number
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
Cause precursor description
Driver views correct signal but misreads aspect (Group 3):
PFR2‐‐J
PT SPAD due to driver misreading aspect on correct signal at junc
PFR2‐‐JP
PT SPAD due to driver misreading aspect on correct signal at junc SAS P
PFR2‐‐P
PT SPAD due to driver misreading aspect on correct signal on pln line
PFR2‐‐PP
PT SPAD due to driver misreading aspect on correct signal on pln line SAS P
PFR2‐‐JO
PT SPAD due to driver misreading aspect on correct signal at junc SAS O
PFR2‐‐PO
PT SPAD due to driver misreading aspect on correct signal on pln line SAS O
Driver misreads previous signal (Group 3):
PFR1‐‐P
PT SPAD due to driver misreading the previous signal aspect on pln line
PFR1‐‐J
PT SPAD due to driver misreading the previous signal aspect at junc
PFR1‐‐JO
PT SPAD due to driver misreading the previous signal aspect at junc SAS O
PFR1‐‐JP
PT SPAD due to driver misreading the previous signal aspect at junc SAS P
PFR1‐‐PP
PT SPAD due to driver misreading the previous signal aspect on pln line SAS P
PFR1‐‐PO
PT SPAD due to driver misreading the previous signal aspect on pln line SAS O
Driver misjudges environmental conditions (Group 4):
PFJ1‐‐J
PT SPAD due to driver misjudge of environmental conditions at junc
PFJ1‐‐P
PT SPAD due to driver misjudge of environmental conditions on pln line
Driver misjudges train behaviour (Group 4):
PFJ2‐‐J
PT SPAD due to driver misjudge of train behaviour at junc
PFJ2‐‐P
PT SPAD due to driver misjudge of train behaviour on pln line
Unknown driver misjudgement (Group 4):
PFJ3‐‐J
PT SPAD due to unknown driver misjudge at junc
PFJ3‐‐P
PT SPAD due to unknown driver misjudge on pln line
Uncategorised driver error (Group 5):
PFUC1‐‐J
PT SPAD due to uncategorised driver error at junc
PFUC1‐‐JO
PT SPAD due to uncategorised driver error at junc SAS O
PFUC1‐‐JP
PT SPAD due to uncategorised driver error at junc SAS P
PFUC1‐‐PO
PT SPAD due to uncategorised driver error on pln line SAS O
PFUC1‐‐PP
PT SPAD due to uncategorised driver error on pln line SAS P
PFUC1‐‐P
PT SPAD due to uncategorised driver error on pln line
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
1.06E‐11
2.21E‐12
1.36E‐12
9.35E‐13
5.11E‐13
3.12E‐13
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
3.22E‐12
1.36E‐12
5.11E‐13
5.11E‐13
3.29E‐13
3.29E‐13
Pass. trn kms
Pass. trn kms
1.31E‐11
3.49E‐13
Pass. trn kms
Pass. trn kms
2.25E‐11
1.23E‐12
Pass. trn kms
Pass. trn kms
1.16E‐12
1.13E‐13
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
8.49E‐13
7.37E‐13
5.11E‐13
1.23E‐13
1.23E‐13
9.26E‐14
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0072
0.0048
0.0010
6.16E‐04
4.23E‐04
2.31E‐04
1.41E‐04
0.0028
0.0015
6.16E‐04
2.31E‐04
2.31E‐04
1.49E‐04
1.49E‐04
0.0061
0.0059
1.58E‐04
0.0107
0.0102
5.58E‐04
0.0006
5.25E‐04
5.12E‐05
0.0011
3.85E‐04
3.34E‐04
2.31E‐04
5.56E‐05
5.56E‐05
4.19E‐05
0.0127
0.0081
0.0017
0.0013
8.85E‐04
4.09E‐04
2.95E‐04
0.0055
0.0031
0.0010
4.09E‐04
3.97E‐04
3.11E‐04
3.11E‐04
0.0150
0.0147
3.31E‐04
0.0263
0.0252
0.0012
0.0014
0.0013
1.07E‐04
0.0020
6.48E‐04
5.90E‐04
3.97E‐04
1.16E‐04
1.16E‐04
8.77E‐05
2.36%
1.51%
0.32%
0.24%
0.16%
0.08%
0.05%
1.02%
0.57%
0.19%
0.08%
0.07%
0.06%
0.06%
2.79%
2.73%
0.06%
4.89%
4.67%
0.22%
0.26%
0.24%
0.02%
0.36%
0.12%
0.11%
0.07%
0.02%
0.02%
0.02%
D
D
D
D
E
D
D
D
E
E
E
E
D
D
D
D
E
E
D
D
E
E
E
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
11
Table B
Hazardous Event Precursor code
Number
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
Cause precursor description
Signaller communication errors (Group 5):
PFOHE3‐‐JO
PT SPAD due to handsignaller communication HE at junc SAS O
PFOHE3‐‐J
PT SPAD due to handsignaller communication HE at junc
PFOHE3‐‐JP
PT SPAD due to handsignaller communication HE at junc SAS P
PFOHE3‐‐PO
PT SPAD due to handsignaller communication HE on pln line SAS O
PFOHE1‐‐J
PT SPAD due to signaller communication HE at junc
PFOHE4‐‐J
PT SPAD due to other staff communication HE at junc
PFOHE1‐‐JO
PT SPAD due to signaller communication HE at junc SAS O
PFOHE4‐‐JO
PT SPAD due to other staff communication HE at junc SAS O
PFOHE1‐‐JP
PT SPAD due to signaller communication HE at junc SAS P
PFOHE4‐‐JP
PT SPAD due to other staff communication HE at junc SAS P
PFOHE1‐‐PP
PT SPAD due to signaller communication HE on pln line SAS P
PFOHE1‐‐PO
PT SPAD due to signaller communication HE on pln line SAS O
PFOHE4‐‐PO
PT SPAD due to other staff communication HE on pln line SAS O
PFOHE3‐‐PP
PT SPAD due to handsignaller communication HE on pln line SAS P
PFOHE4‐‐PP
PT SPAD due to other staff communication HE on pln line SAS P
PFOHE1‐‐P
PT SPAD due to signaller communication HE on pln line
PFOHE4‐‐P
PT SPAD due to other staff communication HE on pln line
PFOHE3‐‐P
PT SPAD due to handsignaller communication HE on pln line
Signaller operating errors (Group 5):
PFOHE2‐‐J
PT SPAD due to signal equipment operating error at junc
PFOHE2‐‐JO
PT SPAD due to signal equipment operating error at junc SAS O
PFOHE2‐‐JP
PT SPAD due to signal equipment operating error at junc SAS P
PFOHE2‐‐PP
PT SPAD due to signal equipment operating error on pln line SAS P
PFOHE2‐‐PO
PT SPAD due to signal equipment operating error on pln line SAS O
PFOHE2‐‐P
PT SPAD due to signal equipment operating error on pln line
Wrongside signalling failures: PPC/L‐‐J
PT WSF due to coloured light at junc signal
PPC/L‐‐P
PT WSF due to coloured light at pl signal
PPT/C‐‐J
PT WSF due to track circuit at junc signal
PPUNCAT‐‐J
PT WSF due to uncategorised at junc signal
PPT/C‐‐P
PT WSF due to track circuit at pl signal
PPUNCAT‐‐P
PT WSF due to uncategorised at pl signal
PPSEM‐‐J
PT WSF due to semaphore signal at junc signal
PPSEM‐‐P
PT WSF due to semaphore signal at pl signal
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
4.18E‐12
2.78E‐12
1.93E‐12
7.79E‐13
5.89E‐13
5.89E‐13
5.11E‐13
5.11E‐13
5.11E‐13
5.11E‐13
3.60E‐13
3.60E‐13
3.60E‐13
3.60E‐13
3.60E‐13
1.88E‐13
1.88E‐13
1.88E‐13
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
5.89E‐13
5.11E‐13
5.11E‐13
3.60E‐13
3.60E‐13
1.88E‐13
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
3.92E‐11
2.02E‐11
2.40E‐12
1.13E‐12
1.23E‐12
5.81E‐13
1.41E‐13
7.26E‐14
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0069
0.0019
0.0013
8.74E‐04
3.53E‐04
2.67E‐04
2.67E‐04
2.31E‐04
2.31E‐04
2.31E‐04
2.31E‐04
1.63E‐04
1.63E‐04
1.63E‐04
1.63E‐04
1.63E‐04
8.53E‐05
8.53E‐05
8.53E‐05
0.0011
2.67E‐04
2.31E‐04
2.31E‐04
1.63E‐04
1.63E‐04
8.53E‐05
0.0294
0.0177
0.0091
0.0011
5.12E‐04
5.59E‐04
2.63E‐04
6.39E‐05
3.29E‐05
0.0155
0.0047
0.0031
0.0022
7.38E‐04
4.49E‐04
4.49E‐04
4.09E‐04
4.09E‐04
3.97E‐04
3.97E‐04
3.41E‐04
3.41E‐04
3.41E‐04
3.41E‐04
3.41E‐04
1.78E‐04
1.78E‐04
1.78E‐04
0.0021
4.49E‐04
4.09E‐04
3.97E‐04
3.41E‐04
3.41E‐04
1.78E‐04
0.0689
0.0439
0.0191
0.0027
0.0013
0.0012
5.50E‐04
1.58E‐04
6.88E‐05
2.87%
0.87%
0.58%
0.40%
0.14%
0.08%
0.08%
0.08%
0.08%
0.07%
0.07%
0.06%
0.06%
0.06%
0.06%
0.06%
0.03%
0.03%
0.03%
0.39%
0.08%
0.08%
0.07%
0.06%
0.06%
0.03%
12.80%
8.16%
3.54%
0.50%
0.24%
0.22%
0.10%
0.03%
0.01%
D
D
E
D
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
12
Table B
Hazardous Event Precursor code
Number
Cause precursor description
Normaliser
National frequency (events/ normaliser)
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
1.78E‐11
9.80E‐12
1.09E‐12
6.08E‐13
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
1.93E‐12
1.93E‐12
1.88E‐13
1.88E‐13
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
3.61E‐11
1.81E‐11
3.48E‐12
3.48E‐12
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
HET‐01 & 02P
Other environmental: PFE2‐‐J
PT SPAD due to vegetation on the track at junc
PFE1‐‐J
PT SPAD due to other environmental conditions at junc
PFE2‐‐P
PT SPAD due to vegetation on the track on pln line
PFE1‐‐P
PT SPAD due to other environmental conditions on pln line
Rolling stock: PFTRS1‐‐J
PT SPAD due to brake failure at junc
PFTRS2‐‐J
PT SPAD due to traction control failure at junc
PFTRS1‐‐P
PT SPAD due to brake failure on pln line
PFTRS2‐‐P
PT SPAD due to traction control failure on pln line
Cat D SPADs / runaways: PDRVERR‐PE
PT runaway/Cat D SPAD due to driver error
PMISCERRPE
PT runaway/Cat D SPAD due to unknown failure
PDEFCOUPPE
PT runaway/Cat D SPAD due to coupling failure
PBRKDEF‐PE
PT runaway/Cat D SPAD due to vehicle defect/brake failure
Train misroute: PTSEDEC
PT misroute due to signaller decision making failures
PTSEMEM
PT misroute due to signaller memory lapses
PTSEUNC
PT misroute due to unknown signaller issues
PTSEPER
PT misroute due to signaller perception issues
PTSEACT
PT misroute due to signaller action failures
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
Collision between two trains resulting from a non‐passenger train Cat A SPAD, Cat D SPAD/runaway train, misrouted train, or WSF
Ambiguous or incomplete information given by driver/signaller (Group 1):
NFC1‐‐J
NPT SPAD caused by miscomm of ambiguous or incomplete info at junc
Non‐pass trn kms
NFC1‐‐JO
NPT SPAD caused by miscomm of ambiguous or incomplete info at junc SAS O
Non‐pass trn kms
NFC1‐‐JP
NPT SPAD caused by miscomm of ambiguous or incomplete info at junc SAS P
Non‐pass trn kms
NFC1‐‐JS
NPT SPAD due to miscomm of ambiguous/incomplete info at shunt
Non‐pass trn kms
NFC1‐‐JOS
NPT SPAD due to miscomm of ambiguous/incomplete info at shunt SAS O
Non‐pass trn kms
NFC1‐‐PO
NPT SPAD due to miscomm of ambiguous/incomplete info on pln line SAS O
Non‐pass trn kms
NFC1‐‐P
NPT SPAD due to miscomm of ambiguous/incomplete info on pln line
Non‐pass trn kms
NFC1‐‐JPS
NPT SPAD due to miscomm of ambiguous/incomplete info at shunt SAS P
Non‐pass trn kms
NFC1‐‐PP
NPT SPAD due to miscomm of ambiguous/incomplete info on pln line SAS P
Non‐pass trn kms
Version 6.1 – June 2009
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
1.69E‐11
8.34E‐12
2.62E‐12
9.13E‐13
1.74E‐13
0.0133
0.0081
0.0044
4.92E‐04
2.76E‐04
0.0019
8.74E‐04
8.74E‐04
8.53E‐05
8.53E‐05
0.0277
0.0164
0.0082
0.001575
0.001575
0.0131
0.0076
0.0038
0.0012
4.14E‐04
7.86E‐05
0.0326
0.0200
0.0110
0.0010
5.76E‐04
0.0047
0.0022
0.0022
1.78E‐04
1.78E‐04
0.0111
0.0066
0.0033
6.34E‐04
6.34E‐04
0.0324
0.0189
0.0093
0.0029
0.0010
1.94E‐04
6.05%
3.71%
2.04%
0.19%
0.11%
0.87%
0.40%
0.40%
0.03%
0.03%
2.07%
1.22%
0.61%
0.12%
0.12%
6.02%
3.51%
1.74%
0.55%
0.19%
0.04%
5.31E‐11
1.18E‐11
7.08E‐12
9.97E‐12
3.67E‐12
2.44E‐12
1.24E‐12
1.27E‐12
5.07E‐13
0.5832
0.0074
0.0043
9.56E‐04
5.74E‐04
8.07E‐04
2.97E‐04
1.98E‐04
1.00E‐04
1.03E‐04
4.11E‐05
0.5690
0.0137
0.0086
0.0019
0.0011
0.0010
3.83E‐04
3.40E‐04
1.72E‐04
1.33E‐04
7.06E‐05
100.00%
2.42%
1.51%
0.33%
0.20%
0.18%
0.07%
0.06%
0.03%
0.02%
0.01%
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
D
D
D
D
D
D
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
D
D
D
E
E
E
E
D
D
E
E
13
Table B
Hazardous Event Precursor code
Number
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
Cause precursor description
Wrong information given by driver/signaller (Group 1):
NFC3‐‐J
NPT SPAD caused by miscomm arising from wrong information being given at junc
NFC3‐‐JS
NPT SPAD due to miscomm of wrong info given at shunt
NFC3‐‐JO
NPT SPAD caused by miscomm arising from wrong information being given at junc SAS O
NFC3‐‐JP
NPT SPAD caused by miscomm arising from wrong information being given at junc SAS P
NFC3‐‐P
NPT SPAD due to miscomm of wrong info given on pln line
NFC3‐‐JOS
NPT SPAD due to miscomm of wrong info given at shunt SAS O
NFC3‐‐JPS
NPT SPAD due to miscomm of wrong info given at shunt SAS P
NFC3‐‐PO
NPT SPAD due to miscomm of wrong info given on pln line SAS O
NFC3‐‐PP
NPT SPAD due to miscomm of wrong info given on pln line SAS P
Correct information given but misunderstood by driver/signaller (Group 1):
NPT SPAD caused by miscomm arising from correct information being given but NFC2‐‐J
misunderstood at junc
NPT SPAD caused by miscomm arising from correct information being given but NFC2‐‐JO
misunderstood at junc SAS O
NPT SPAD caused by miscomm arising from correct information being given but NFC2‐‐JP
misunderstood at junc SAS P
NFC2‐‐JOS
NPT SPAD due to miscomm of correct info given but misunderstood at shunt SAS O
NFC2‐‐JS
NPT SPAD due to miscomm of correct info given but misunderstood at shunt
NFC2‐‐JPS
NPT SPAD due to miscomm of correct info given but misunderstood at shunt SAS P
NFC2‐‐P
NPT SPAD due to miscomm of correct info given but misunderstood on pln line
NFC2‐‐PO
NPT SPAD due to miscomm of correct info given but misunderstood on pln line SAS O
NFC2‐‐PP
NPT SPAD due to miscomm of correct info given but misunderstood on pln line SAS P
Information not given by driver/signaller (Group 1): NFC4‐‐J
NPT SPAD caused by miscomm arising from no information being given at junc
NFC4‐‐JO
NPT SPAD caused by miscomm arising from no information being given at junc SAS O
NFC4‐‐JP
NPT SPAD caused by miscomm arising from no information being given at junc SAS P
NFC4‐‐JS
NPT SPAD due to miscomm of info not given at shunt
NFC4‐‐JOS
NPT SPAD due to miscomm of info not given at shunt SAS O
NFC4‐‐JPS
NPT SPAD due to miscomm of info not given at shunt SAS P
NFC4‐‐PO
NPT SPAD due to miscomm of info not given on pln line SAS O
NFC4‐‐PP
NPT SPAD due to miscomm of info not given on pln line SAS P
NFC4‐‐P
NPT SPAD due to miscomm of info not given on pln line
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
3.64E‐11
2.49E‐11
1.42E‐11
4.91E‐12
1.91E‐12
1.27E‐12
1.27E‐12
7.32E‐13
7.32E‐13
0.0070
0.0030
0.0020
0.0011
3.98E‐04
1.54E‐04
1.03E‐04
1.03E‐04
5.93E‐05
5.93E‐05
0.0058
0.0123
0.0059
0.0026
0.0023
7.92E‐04
2.65E‐04
1.33E‐04
1.33E‐04
1.02E‐04
1.02E‐04
0.0109
2.16%
1.03%
0.46%
0.40%
0.14%
0.05%
0.02%
0.02%
0.02%
0.02%
1.91%
D
D
D
E
D
E
E
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
Non‐pass trn kms
2.66E‐11
0.0022
0.0043
0.75%
D
‐
Non‐pass trn kms
2.45E‐11
0.0020
0.0040
0.69%
D
‐
Non‐pass trn kms
7.08E‐12
5.74E‐04
0.0011
0.20%
D
‐
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
5.50E‐12
4.98E‐12
1.83E‐12
6.18E‐13
5.07E‐13
5.07E‐13
1.93E‐11
7.08E‐12
4.91E‐12
2.49E‐12
1.83E‐12
1.27E‐12
5.07E‐13
5.07E‐13
3.42E‐13
5.74E‐04
5.20E‐04
1.91E‐04
8.60E‐05
7.06E‐05
7.06E‐05
0.0058
0.0031
0.0011
7.92E‐04
2.60E‐04
1.91E‐04
1.33E‐04
7.06E‐05
7.06E‐05
4.77E‐05
0.10%
0.09%
0.03%
0.02%
0.01%
0.01%
1.02%
0.55%
0.20%
0.14%
0.05%
0.03%
0.02%
0.01%
0.01%
0.01%
D
D
D
D
E
E
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
4.46E‐04
4.04E‐04
1.49E‐04
5.00E‐05
4.11E‐05
4.11E‐05
0.0031
0.0016
5.74E‐04
3.98E‐04
2.02E‐04
1.49E‐04
1.03E‐04
4.11E‐05
4.11E‐05
2.77E‐05
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
D
D
E
D
D
E
E
E
E
14
Table B
Hazardous Event Precursor code
Number
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
Cause precursor description
Driver fails to check signal aspect (Group 2): NFD2‐‐J
NPT SPAD caused by failure to check signal aspect at junc
NFD2‐‐JO
NPT SPAD caused by failure to check signal aspect at junc SAS O
NFD2‐‐JOS
NPT SPAD due to driver failure to check signal aspect at shunt SAS O
NFD2‐‐JP
NPT SPAD caused by failure to check signal aspect at junc SAS P
NFD2‐‐JS
NPT SPAD due to driver failure to check signal aspect at shunt
NFD2‐‐P
NPT SPAD due to driver failure to check signal aspect on pln line
NFD2‐‐PO
NPT SPAD due to driver failure to check signal aspect on pln line SAS O
NFD2‐‐PP
NPT SPAD due to driver failure to check signal aspect on pln line SAS P
NFD2‐‐JPS
NPT SPAD due to driver failure to check signal aspect at shunt SAS P
Driver violation of rules/instructions (Group 2):
NFD6‐‐J
NPT SPAD caused by violation of rules/instructions at junc
NFD6‐‐JO
NPT SPAD caused by violation of rules/instructions at junc SAS O
NFD6‐‐JOS
NPT SPAD due to driver violation of rules/instructions at shunt SAS O
NFD6‐‐JP
NPT SPAD caused by violation of rules/instructions at junc SAS P
NFD6‐‐JS
NPT SPAD due to driver violation of rules/instructions at shunt
NFD6‐‐P
NPT SPAD due to driver violation of rules/instructions on pln line
NFD6‐‐JPS
NPT SPAD due to driver violation of rules/instructions at shunt SAS P
NFD6‐‐PO
NPT SPAD due to driver violation of rules/instructions on pln line SAS O
NFD6‐‐PP
NPT SPAD due to driver violation of rules/instructions on pln line SAS P
Driver fails to locate signal (Group 2):
NFD3‐‐J
NPT SPAD caused by failure to locate signal aspect at junc
NFD3‐‐JS
NPT SPAD due to driver failure to locate signal aspect at shunt
NFD3‐‐JOS
NPT SPAD due to driver failure to locate signal aspect at shunt SAS O
NFD3‐‐JO
NPT SPAD caused by failure to locate signal aspect at junc SAS O
NFD3‐‐P
NPT SPAD due to driver failure to locate signal aspect on pln line
NFD3‐‐JP
NPT SPAD caused by failure to locate signal aspect at junc SAS P
NFD3‐‐JPS
NPT SPAD due to driver failure to locate signal aspect at shunt SAS P
NFD3‐‐PO
NPT SPAD due to driver failure to locate signal aspect on pln line SAS O
NFD3‐‐PP
NPT SPAD due to driver failure to locate signal aspect on pln line SAS P
Driver fails to react to cautionary aspect (Group 2):
NFD4‐‐J
NPT SPAD caused by failure to react to caution aspect at junc
NFD4‐‐P
NPT SPAD due to driver failure to react to caution aspect on pln line
NFD4‐‐JS
NPT SPAD due to driver failure to react to caution aspect at shunt
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
2.21E‐10
8.11E‐11
7.42E‐11
5.91E‐11
5.44E‐11
1.08E‐11
2.73E‐12
2.37E‐12
2.97E‐12
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.01E‐10
3.75E‐11
2.77E‐11
2.20E‐11
2.20E‐11
6.70E‐12
1.07E‐12
7.38E‐13
4.26E‐13
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.33E‐10
6.54E‐11
4.03E‐11
3.12E‐11
1.11E‐11
1.18E‐11
5.50E‐12
7.32E‐13
7.32E‐13
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.83E‐10
2.92E‐11
9.34E‐12
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0412
0.0179
0.0066
0.0060
0.0048
0.0044
8.73E‐04
2.21E‐04
1.92E‐04
2.40E‐04
0.0177
0.0082
0.0030
0.0022
0.0018
0.0018
5.43E‐04
8.66E‐05
5.98E‐05
3.45E‐05
0.0243
0.0108
0.0053
0.0033
0.0025
8.96E‐04
9.57E‐04
4.46E‐04
5.93E‐05
5.93E‐05
0.0179
0.0148
0.0024
7.57E‐04
0.0598
0.0269
0.0098
0.0077
0.0072
0.0057
0.0015
3.81E‐04
3.30E‐04
3.10E‐04
0.0258
0.0122
0.0045
0.0029
0.0027
0.0023
9.32E‐04
1.11E‐04
1.03E‐04
5.94E‐05
0.0346
0.0161
0.0068
0.0042
0.0038
0.0015
0.0014
5.74E‐04
1.02E‐04
1.02E‐04
0.0270
0.0220
0.0041
9.75E‐04
10.51%
4.73%
1.72%
1.36%
1.26%
1.00%
0.26%
0.07%
0.06%
0.05%
4.54%
2.15%
0.80%
0.51%
0.47%
0.40%
0.16%
0.02%
0.02%
0.01%
6.09%
2.82%
1.20%
0.74%
0.66%
0.27%
0.25%
0.10%
0.02%
0.02%
4.75%
3.86%
0.72%
0.17%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
E
D
E
D
D
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
15
Table B
Hazardous Event Precursor code
Number
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
Cause precursor description
Driver anticipates signal clearance (Group 2):
NFD1‐‐JP
NPT SPAD caused by anticipation of signal clearance at junc SAS P
NFD1‐‐JO
NPT SPAD caused by anticipation of signal clearance at junc SAS O
NFD1‐‐J
NPT SPAD caused by anticipation of signal clearance at junc
NFD1‐‐JS
NPT SPAD due to driver anticipation of signal clearance at shunt
NFD1‐‐P
NPT SPAD due to driver anticipation of signal clearance on pln line
NFD1‐‐JOS
NPT SPAD due to driver anticipation of signal clearance at shunt SAS O
NFD1‐‐JPS
NPT SPAD due to driver anticipation of signal clearance at shunt SAS P
NFD1‐‐PO
NPT SPAD due to driver anticipation of signal clearance on pln line SAS O
NFD1‐‐PP
NPT SPAD due to driver anticipation of signal clearance on pln line SAS P
Driver ignorance of rules/instructions (Group 2):
NFD5‐‐JO
NPT SPAD caused by ignorance of rules/instructions at junc SAS O
NFD5‐‐JP
NPT SPAD caused by ignorance of rules/instructions at junc SAS P
NFD5‐‐JOS
NPT SPAD due to driver ignorance of rules/instructions at shunt SAS O
NFD5‐‐J
NPT SPAD caused by ignorance of rules/instructions at junc
NFD5‐‐JS
NPT SPAD due to driver ignorance of rules/instructions at shunt
NFD5‐‐P
NPT SPAD due to driver ignorance of rules/instructions on pln line
NFD5‐‐JPS
NPT SPAD due to driver ignorance of rules/instructions at shunt SAS P
NFD5‐‐PO
NPT SPAD due to driver ignorance of rules/instructions on pln line SAS O
NFD5‐‐PP
NPT SPAD due to driver ignorance of rules/instructions on pln line SAS P
Driver misreads by viewing wrong signal (Group 3):
NFR3‐‐J
NPT SPAD caused by viewing the wrong signal at junc
NFR3‐‐JO
NPT SPAD caused by viewing the wrong signal at junc SAS O
NFR3‐‐JP
NPT SPAD caused by viewing the wrong signal at junc SAS P
NFR3‐‐JS
NPT SPAD due to driver viewing the wrong signal at shunt
NFR3‐‐JOS
NPT SPAD due to driver viewing the wrong signal at shunt SAS O
NFR3‐‐P
NPT SPAD due to driver viewing the wrong signal on pln line
NFR3‐‐JPS
NPT SPAD due to driver viewing the wrong signal at shunt SAS P
NFR3‐‐PO
NPT SPAD due to driver viewing the wrong signal on pln line SAS O
NFR3‐‐PP
NPT SPAD due to driver viewing the wrong signal on pln line SAS P
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.77E‐11
5.41E‐12
5.13E‐12
5.61E‐12
3.66E‐12
1.83E‐12
1.83E‐12
7.32E‐13
5.07E‐13
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.35E‐11
1.18E‐11
1.10E‐11
8.57E‐12
7.48E‐12
2.82E‐12
1.27E‐12
5.07E‐13
5.07E‐13
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.60E‐10
6.25E‐11
2.95E‐11
2.54E‐11
2.02E‐11
5.04E‐12
3.67E‐12
1.46E‐12
5.07E‐13
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0034
0.0014
4.39E‐04
4.16E‐04
4.54E‐04
2.97E‐04
1.49E‐04
1.49E‐04
5.93E‐05
4.11E‐05
0.0047
0.0011
9.57E‐04
8.91E‐04
6.94E‐04
6.06E‐04
2.29E‐04
1.03E‐04
4.11E‐05
4.11E‐05
0.0250
0.0130
0.0051
0.0024
0.0021
0.0016
4.08E‐04
2.97E‐04
1.19E‐04
4.11E‐05
0.0051
0.0021
6.54E‐04
6.29E‐04
5.85E‐04
5.10E‐04
1.91E‐04
1.91E‐04
1.02E‐04
7.06E‐05
0.0067
0.0016
0.0014
0.0011
0.0010
7.80E‐04
3.93E‐04
1.33E‐04
7.06E‐05
7.06E‐05
0.0368
0.0196
0.0076
0.0036
0.0027
0.0021
7.01E‐04
3.83E‐04
2.04E‐04
7.06E‐05
0.89%
0.38%
0.11%
0.11%
0.10%
0.09%
0.03%
0.03%
0.02%
0.01%
1.18%
0.29%
0.25%
0.20%
0.18%
0.14%
0.07%
0.02%
0.01%
0.01%
6.47%
3.44%
1.33%
0.63%
0.47%
0.37%
0.12%
0.07%
0.04%
0.01%
D
E
D
D
D
D
D
D
E
D
D
D
D
D
D
E
E
E
D
D
D
D
D
D
D
D
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
16
Table B
Hazardous Event Precursor code
Number
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
Cause precursor description
Driver views correct signal but misreads aspect (Group 3):
NFR2‐‐J
NPT SPAD caused by misreading aspect on correct signal at junc
NFR2‐‐JO
NPT SPAD caused by misreading aspect on correct signal at junc SAS O
NFR2‐‐JOS
NPT SPAD due to driver misreading aspect on correct signal at shunt SAS O
NFR2‐‐JP
NPT SPAD caused by misreading aspect on correct signal at junc SAS P
NFR2‐‐JS
NPT SPAD due to driver misreading aspect on correct signal at shunt
NFR2‐‐P
NPT SPAD due to driver misreading aspect on correct signal on pln line
NFR2‐‐PO
NPT SPAD due to driver misreading aspect on correct signal on pln line SAS O
NFR2‐‐JPS
NPT SPAD due to driver misreading aspect on correct signal at shunt SAS P
NFR2‐‐PP
NPT SPAD due to driver misreading aspect on correct signal on pln line SAS P
Driver misreads previous signal (Group 3):
NFR1‐‐J
NPT SPAD caused by misreading the previous signal aspect at junc
NFR1‐‐JP
NPT SPAD caused by misreading the previous signal aspect at junc SAS P
NFR1‐‐JO
NPT SPAD caused by misreading the previous signal aspect at junc SAS O
NFR1‐‐P
NPT SPAD due to driver misreading previous signal aspect on pln line
NFR1‐‐JS
NPT SPAD due to driver misreading previous signal aspect at shunt
NFR1‐‐JOS
NPT SPAD due to driver misreading previous signal aspect at shunt SAS O
NFR1‐‐JPS
NPT SPAD due to driver misreading previous signal aspect at shunt SAS P
NFR1‐‐PO
NPT SPAD due to driver misreading previous signal aspect on pln line SAS O
NFR1‐‐PP
NPT SPAD due to driver misreading previous signal aspect on pln line SAS P
Driver misjudges train behaviour (Group 4):
NFJ2‐‐J
NPT SPAD caused by misjudge of train behaviour at junc
NFJ2‐‐JS
NPT SPAD due to driver misjudge of train behaviour at shunt
NFJ2‐‐P
NPT SPAD due to driver misjudge of train behaviour on pln line
Driver misjudges environmental conditions (Group 4):
NFJ1‐‐J
NPT SPAD caused by misjudge of environmental conditions at junc
NFJ1‐‐P
NPT SPAD due to driver misjudge of environmental conditions on pln line
NFJ1‐‐JS
NPT SPAD due to driver misjudge of environmental conditions at shunt
Unknown driver misjudgement (Group 4):
NFJ3‐‐J
NPT SPAD caused by unknown misjudge at junc
NFJ3‐‐JS
NPT SPAD due to unknown driver misjudge at shunt
NFJ3‐‐P
NPT SPAD due to unknown driver misjudge on pln line
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
4.03E‐11
1.56E‐11
9.17E‐12
5.91E‐12
2.82E‐12
1.60E‐12
1.46E‐12
1.27E‐12
7.32E‐13
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.12E‐11
5.91E‐12
5.41E‐12
3.01E‐12
2.98E‐12
1.93E‐12
1.93E‐12
7.72E‐13
7.72E‐13
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.03E‐10
8.79E‐12
3.98E‐12
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.52E‐11
1.41E‐12
1.40E‐12
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
4.91E‐12
1.96E‐12
3.42E‐13
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0064
0.0033
0.0013
7.43E‐04
4.78E‐04
2.29E‐04
1.29E‐04
1.19E‐04
1.03E‐04
5.93E‐05
0.0028
9.10E‐04
4.78E‐04
4.39E‐04
2.44E‐04
2.41E‐04
1.57E‐04
1.57E‐04
6.25E‐05
6.25E‐05
0.0094
0.0083
7.12E‐04
3.22E‐04
0.0015
0.0012
1.14E‐04
1.13E‐04
0.0006
3.98E‐04
1.59E‐04
2.77E‐05
0.0094
0.0049
0.0019
9.57E‐04
7.16E‐04
2.95E‐04
2.22E‐04
2.04E‐04
1.33E‐04
1.02E‐04
0.0041
0.0014
7.16E‐04
6.54E‐04
4.19E‐04
3.11E‐04
2.02E‐04
2.02E‐04
1.07E‐04
1.07E‐04
0.0180
0.0166
9.17E‐04
5.54E‐04
0.0028
0.0024
1.97E‐04
1.46E‐04
0.0010
7.92E‐04
2.04E‐04
4.77E‐05
1.66%
0.87%
0.33%
0.17%
0.13%
0.05%
0.04%
0.04%
0.02%
0.02%
0.72%
0.24%
0.13%
0.11%
0.07%
0.05%
0.04%
0.04%
0.02%
0.02%
3.17%
2.91%
0.16%
0.10%
0.49%
0.43%
0.03%
0.03%
0.18%
0.14%
0.04%
0.01%
D
D
D
D
D
D
D
E
D
D
D
E
D
E
E
E
E
E
D
D
D
D
D
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
17
Table B
Hazardous Event Precursor code
Number
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
Cause precursor description
Uncategorised driver error (Group 5):
NFUC1‐‐J
NPT SPAD caused by uncategorised driver error at junc
NFUC1‐‐JO
NPT SPAD caused by uncategorised driver error at junc SAS O
NFUC1‐‐JP
NPT SPAD caused by uncategorised driver error at junc SAS P
NFUC1‐‐JS
NPT SPAD due to uncategorised driver error at shunt
NFUC1‐‐JOS
NPT SPAD due to uncategorised driver error at shunt SAS O
NFUC1‐‐JPS
NPT SPAD due to uncategorised driver error at shunt SAS P
NFUC1‐‐PO
NPT SPAD due to uncategorised driver error on pln line SAS O
NFUC1‐‐PP
NPT SPAD due to uncategorised driver error on pln line SAS P
NFUC1‐‐P
NPT SPAD due to uncategorised driver error on pln line
Signaller communication errors (Group 5):
NFOHE3‐‐J
NPT SPAD caused by handsignaller communication error at junc
NFOHE3‐‐JO
NPT SPAD caused by handsignaller communication error at junc SAS O
NFOHE3‐‐JP
NPT SPAD caused by handsignaller communication error at junc SAS P
NFOHE1‐‐JO
NPT SPAD caused by signaller communication error at junc SAS O
NFOHE4‐‐JO
NPT SPAD caused by other staff communication error at junc SAS O
NFOHE4‐‐JP
NPT SPAD caused by other staff communication error at junc SAS P
NFOHE1‐‐JP
NPT SPAD caused by signaller communication error at junc SAS P
NFOHE1‐‐J
NPT SPAD caused by signaller communication error at junc
NFOHE3‐‐JS
NPT SPAD due to handsignaller communication error at shunt
NFOHE4‐‐JS
NPT SPAD due to other staff communication error at shunt
NFOHE1‐‐JS
NPT SPAD due to signaller communication error at shunt
NFOHE4‐‐J
NPT SPAD caused by other staff communication error at junc
NFOHE3‐‐JOS
NPT SPAD due to handsignaller communication error at shunt SAS O
NFOHE4‐‐JOS
NPT SPAD due to other staff communication error at shunt SAS O
NFOHE3‐‐JPS
NPT SPAD due to handsignaller communication error at shunt SAS P
NFOHE4‐‐JPS
NPT SPAD due to other staff communication error at shunt SAS P
NFOHE1‐‐JOS
NPT SPAD due to signaller communication error at shunt SAS O
NFOHE1‐‐JPS
NPT SPAD due to signaller communication error at shunt SAS P
NFOHE3‐‐PO
NPT SPAD due to handsignaller communication error on pln line SAS O
NFOHE3‐‐PP
NPT SPAD due to handsignaller communication error on pln line SAS P
NFOHE4‐‐PO
NPT SPAD due to other staff communication error on pln line SAS O
NFOHE4‐‐PP
NPT SPAD due to other staff communication error on pln line SAS P
NFOHE1‐‐PO
NPT SPAD due to signaller communication error on pln line SAS O
NFOHE1‐‐PP
NPT SPAD due to signaller communication error on pln line SAS P
NFOHE3‐‐P
NPT SPAD due to handsignaller communication error on pln line
NFOHE4‐‐P
NPT SPAD due to other staff communication error on pln line
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.12E‐11
7.81E‐12
4.09E‐12
3.21E‐12
1.04E‐12
7.22E‐13
2.88E‐13
2.88E‐13
2.81E‐13
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
8.18E‐12
8.18E‐12
8.18E‐12
7.81E‐12
5.41E‐12
4.09E‐12
4.09E‐12
3.75E‐12
3.26E‐12
3.26E‐12
3.26E‐12
2.60E‐12
2.12E‐12
2.12E‐12
2.12E‐12
2.12E‐12
2.12E‐12
2.12E‐12
8.45E‐13
8.45E‐13
8.45E‐13
8.45E‐13
8.45E‐13
8.45E‐13
5.71E‐13
5.71E‐13
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0023
9.11E‐04
6.33E‐04
3.32E‐04
2.60E‐04
8.44E‐05
5.85E‐05
2.33E‐05
2.33E‐05
2.27E‐05
0.0066
6.63E‐04
6.63E‐04
6.63E‐04
6.33E‐04
4.39E‐04
3.32E‐04
3.32E‐04
3.04E‐04
2.64E‐04
2.64E‐04
2.64E‐04
2.10E‐04
1.72E‐04
1.72E‐04
1.72E‐04
1.72E‐04
1.72E‐04
1.72E‐04
6.85E‐05
6.85E‐05
6.85E‐05
6.85E‐05
6.85E‐05
6.85E‐05
4.62E‐05
4.62E‐05
0.0034
0.0014
9.44E‐04
4.96E‐04
3.35E‐04
1.09E‐04
7.53E‐05
4.01E‐05
4.01E‐05
3.91E‐05
0.0106
0.0013
0.0013
0.0013
9.44E‐04
6.54E‐04
4.96E‐04
4.96E‐04
4.53E‐04
3.40E‐04
3.40E‐04
3.40E‐04
3.14E‐04
2.21E‐04
2.21E‐04
2.21E‐04
2.21E‐04
2.21E‐04
2.21E‐04
1.18E‐04
1.18E‐04
1.18E‐04
1.18E‐04
1.18E‐04
1.18E‐04
7.95E‐05
7.95E‐05
0.60%
0.24%
0.17%
0.09%
0.06%
0.02%
0.01%
0.01%
0.01%
0.01%
1.86%
0.23%
0.23%
0.23%
0.17%
0.11%
0.09%
0.09%
0.08%
0.06%
0.06%
0.06%
0.06%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.01%
0.01%
D
D
E
D
D
E
E
E
D
E
E
E
D
E
E
E
D
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
18
Table B
Hazardous Event Precursor code
Number
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
Cause precursor description
NFOHE1‐‐P
NPT SPAD due to signaller communication error on pln line
Signaller operating errors (Group 5):
NFOHE2‐‐JO
NPT SPAD caused by signal equipment operating error at junc SAS O
NFOHE2‐‐JP
NPT SPAD caused by signal equipment operating error at junc SAS P
NFOHE2‐‐JS
NPT SPAD due to signal equipment operating error at shunt
NFOHE2‐‐J
NPT SPAD caused by signal equipment operating error at junc
NFOHE2‐‐JOS
NPT SPAD due to signal equipment operating error at shunt SAS O
NFOHE2‐‐JPS
NPT SPAD due to signal equipment operating error at shunt SAS P
NFOHE2‐‐PO
NPT SPAD due to signal equipment operating error on pln line SAS O
NFOHE2‐‐PP
NPT SPAD due to signal equipment operating error on pln line SAS P
NFOHE2‐‐P
NPT SPAD due to signal equipment operating error on pln line
Wrongside signalling failures:
NPC/L‐‐J
NPT WSF due to coloured light at junc signal
NPSHUNT‐‐JS
NPT WSF due to shunt signal
NPC/L‐‐P
NPT WSF due to coloured light at pl signal
NPT/C‐‐J
NPT WSF due to track circuit at junc signal
NPUNCAT‐‐J
NPT WSF due to uncategorised at junc signal
NPT/C‐‐P
NPT WSF due to track circuit at pl signal
NPUNCAT‐‐P
NPT WSF due to uncategorised at pl signal
NPT/C‐‐JS
NPT WSF due to track circuit at junc shunt signal
NPSEM‐‐J
NPT WSF due to semaphore signal at junc signal
NPUNCAT‐‐JS
NPT WSF due to uncategorised at junc shunt signal
NPSEM‐‐P
NPT WSF due to semaphore signal at pl signal
Other environmental:
NFE2‐‐J
NPT SPAD caused by vegetation on the track at junc
NFE1‐‐J
NPT SPAD caused by other environmental conditions at junc
NFE2‐‐JS
NPT SPAD due to vegetation on the track at shunt
NFE1‐‐P
NPT SPAD due to other environmental conditions on pln line
NFE1‐‐JS
NPT SPAD due to other environmental conditions at shunt
NFE2‐‐P
NPT SPAD due to vegetation on the track on pln line
Version 6.1 – June 2009
Non‐pass trn kms
National frequency (events/ normaliser)
5.71E‐13
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
5.41E‐12
4.09E‐12
3.26E‐12
2.60E‐12
2.12E‐12
2.12E‐12
8.45E‐13
8.45E‐13
5.71E‐13
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
2.92E‐11
1.86E‐11
1.37E‐11
1.26E‐12
5.94E‐13
5.91E‐13
2.78E‐13
3.45E‐13
1.05E‐13
1.62E‐13
4.93E‐14
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.63E‐11
1.32E‐11
2.61E‐12
9.22E‐13
1.04E‐12
4.57E‐13
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
4.62E‐05
0.0018
4.39E‐04
3.32E‐04
2.64E‐04
2.10E‐04
1.72E‐04
1.72E‐04
6.85E‐05
6.85E‐05
4.62E‐05
0.0053
0.0024
0.0015
0.0011
1.02E‐04
4.81E‐05
4.79E‐05
2.25E‐05
2.79E‐05
8.53E‐06
1.31E‐05
3.99E‐06
0.0028
0.0013
0.0011
2.11E‐04
7.47E‐05
8.46E‐05
3.70E‐05
7.95E‐05
0.0026
6.54E‐04
4.96E‐04
3.40E‐04
3.14E‐04
2.21E‐04
2.21E‐04
1.18E‐04
1.18E‐04
7.95E‐05
0.0091
0.0047
0.0019
0.0019
2.04E‐04
9.58E‐05
8.23E‐05
3.87E‐05
3.60E‐05
1.70E‐05
1.69E‐05
6.86E‐06
0.0053
0.0026
0.0021
2.72E‐04
1.28E‐04
1.09E‐04
6.36E‐05
0.01%
0.45%
0.11%
0.09%
0.06%
0.06%
0.04%
0.04%
0.02%
0.02%
0.01%
1.59%
0.83%
0.34%
0.33%
0.04%
0.02%
0.01%
0.01%
0.01%
0.00%
0.00%
0.00%
0.94%
0.46%
0.37%
0.05%
0.02%
0.02%
0.01%
E
E
E
E
E
E
E
E
E
E
D
D
D
D
D
D
D
D
D
D
D
D
D
E
D
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
19
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
HET‐03 & 02NP
Rolling stock:
NFTRS1‐‐J
NPT SPAD caused by brake failure at junc
NFTRS2‐‐J
NPT SPAD caused by traction control failure at junc
NFTRS1‐‐JS
NPT SPAD due to brake failure at shunt
NFTRS2‐‐JS
NPT SPAD due to traction control failure at shunt
NFTRS1‐‐P
NPT SPAD due to brake failure on pln line
NFTRS2‐‐P
NPT SPAD due to traction control failure on pln line
Cat D SPADs / runaways
NDRVERR‐NE
NPT runaway/Cat D SPAD due to driver error
NBRKDEF‐NE
NPT runaway/Cat D SPAD due to vehicle defect/brake failure
NMISCERRNE
NPT runaway/Cat D SPAD due to unknown failure
NCOUPDEFNE
NPT runaway/Cat D SPAD due to coupling failure
NVAND‐‐‐NE
NPT runaway/Cat D SPAD due to vandalism activity
Train misroute
NPSEDEC
NPT misroute due to signaller decision making failures
NPSEMEM
NPT misroute due to signaller memory lapses
NPSEUNC
NPT misroute due to unknown signaller issues
NPSEPER
NPT misroute due to signaller perception issues
NPSEACT
NPT misroute due to signaller action failures
HET‐02NP POS
Collision between OTP and passenger train resulting from OTP incorrectly outside possession
Passenger Train Driver Error leading to Collision between OTP and a Passenger Train ‐ OTP OT14I43
incorrectly outside possession limits
Driver/Operator Error ‐ Signal Passed at Danger leading to Collision between OTP and a OT14I14
Passenger Train ‐ OTP incorrectly outside possession limits
Defect on Other Vehicle leading to Collision between OTP and a Passenger Train ‐ OTP OT14I07
incorrectly outside possession limits
Defect on OTM leading to Collision between OTP and a Passenger Train ‐ OTP incorrectly OT14I08
outside possession limits
Driver/Operator Error ‐ Inattention leading to Collision between OTP and a Passenger Train ‐ OT14I12
OTP incorrectly outside possession limits
Driver/operator Error ‐ Braking leading to Collision between OTP and a Passenger Train ‐ OTP OT14I11
incorrectly outside possession limits
Driver/Operator Error ‐ Speeding leading to Collision between OTP and a Passenger Train ‐ OT14I15
OTP incorrectly outside possession limits
Handsignaller Error leading to Collision between OTP and a Passenger Train ‐ OTP incorrectly OT14I17
outside possession limits
Incorrect Management of IC Interface leading to Collision between OTP and a Passenger OT14I31
Train ‐ OTP incorrectly outside possession limits
HET‐02NP POS
HET‐02NP POS
HET‐02NP POS
HET‐02NP POS
HET‐02NP POS
HET‐02NP POS
HET‐02NP POS
HET‐02NP POS
HET‐02NP POS
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
3.54E‐11
8.18E‐12
4.71E‐12
3.26E‐12
8.23E‐13
5.71E‐13
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
2.47E‐09
1.35E‐09
6.73E‐10
1.12E‐10
6.23E‐11
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
2.90E‐11
1.35E‐11
6.13E‐12
3.22E‐12
2.55E‐13
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0043
0.0029
6.63E‐04
3.81E‐04
2.64E‐04
6.67E‐05
4.62E‐05
0.3778
0.2000
0.1091
0.0545
0.0091
0.0051
0.0042
0.0023
0.0011
4.96E‐04
2.61E‐04
2.07E‐05
0.0081
0.0057
0.0013
4.91E‐04
3.40E‐04
1.15E‐04
7.95E‐05
0.2476
0.1311
0.0715
0.0357
0.0060
0.0033
0.0084
0.0047
0.0022
9.88E‐04
5.19E‐04
4.12E‐05
1.42%
1.00%
0.23%
0.09%
0.06%
0.02%
0.01%
43.51%
23.03%
12.56%
6.28%
1.05%
0.58%
1.48%
0.82%
0.38%
0.17%
0.09%
0.01%
0.0500
0.0460
100.00%
D
E
D
E
D
E
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
OTP hrs
7.52E‐09
0.0170
0.0156
34.00%
N
‐
OTP hrs
6.41E‐09
0.0145
0.0133
29.00%
N
‐
OTP hrs
1.11E‐09
0.0025
0.0023
5.00%
N
‐
OTP hrs
1.11E‐09
0.0025
0.0023
5.00%
N
‐
OTP hrs
1.11E‐09
0.0025
0.0023
5.00%
N
‐
OTP hrs
9.73E‐10
0.0022
0.0020
4.40%
N
‐
OTP hrs
9.73E‐10
0.0022
0.0020
4.40%
N
‐
OTP hrs
6.63E‐10
0.0015
0.0014
3.00%
N
‐
OTP hrs
5.75E‐10
0.0013
0.0012
2.60%
N
‐
20
Table B
Hazardous Event Precursor code
Number
Cause precursor description
Unsafe System of Work Employed by Workers leading to Collision between OTP and a Passenger Train ‐ OTP incorrectly outside possession limits
Possession Irregularity leading to Collision between OTP and a Passenger Train ‐ OTP incorrectly outside possession limits
Infrastructure Defect leading to Collision between OTP and a Passenger Train ‐ OTP incorrectly outside possession limits
Driver/Operator Error ‐ Propelling leading to Collision between OTP and a Passenger Train ‐ OTP incorrectly outside possession limits
Signaller Error leading to Collision between OTP and a Passenger Train ‐ OTP incorrectly outside possession limits
HET‐02NP POS
OT14I54
HET‐02NP POS
OT14I46
HET‐02NP POS
OT14I32
HET‐02NP POS
OT14I13
HET‐02NP POS
OT14I50
HET‐03 POS
HET‐03 POS
HET‐03 POS
HET‐03 POS
HET‐03 POS
HET‐03 POS
HET‐03 POS
HET‐03 POS
HET‐03 POS
HET‐03 POS
HET‐03 POS
HET‐03 POS
Collisions between trains inside possession (including OTP)
OCDRVATENH
Driver/operator error ‐ Inattention leading to collision ‐ Inside Possession
OCSSOW‐‐‐H
Unsafe System of Work employed by workers leading to collision ‐ Inside Possession
OCINFDEF‐F
Infrastructure defect leading to collision between ‐ Inside Possession
OCDRVPROPH
Driver/operator error ‐ Propelling leading to collision ‐ Inside Possession
OCIMINT‐‐H
Incorrect management of IC interface leading to collision ‐ Inside Possession
OCDRVBRK‐H
Driver/operator error ‐ Braking leading to collision ‐ Inside Possession
OCDRVSPEDH
Driver/operator error ‐ Speeding leading to collision ‐ Inside Possession
OCHSIGERRH
Handsignaller error leading to collision ‐ Inside Possession
OCSIGERR‐H
Signaller error leading to collision ‐ Inside Possession
OCVEHDEF‐F
Vehicle defect leading to collision ‐ Inside Possession
OCDRVSPADH
Driver/operator error ‐ Signal Passed at Danger leading to collision ‐ Inside Possession
HET‐04
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
Collision of train with object (not resulting in derailment)
Collision of train with object outside possession (not resulting in derailment)
BVANOBJTHR
Train Collision with objects thrown/fired at trains by vandals
AANMOBJEUE
Train collision with animals on the line
BVANMISCUE
Train collision with misc. objects placed on the line by vandals
BTREOBJEUE
Train collision with trees
CAUNOTEST
Train collision with object: cause/object not established
BVANCONCUE
Train collision with concrete blocks/troughing/stones placed on the line by vandals
ABIRDOBJEUE
Train collision with birds including ducks/geese/swans
MMATOTHEUE
Train collision with engineers material/equipment left foul (including boards)
BBICYOBJUE
Train collision with bicycles/tricycles/child's scooter
BVANRUBLUE
Train collision with rubble/rubbish/debris placed on the line by vandals
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
OTP hrs
5.75E‐10
0.0013
0.0012
2.60%
N
‐
OTP hrs
4.42E‐10
0.0010
9.20E‐04
2.00%
N
‐
OTP hrs
2.65E‐10
6.00E‐04
5.52E‐04
1.20%
N
‐
OTP hrs
2.21E‐10
5.00E‐04
4.60E‐04
1.00%
N
‐
OTP hrs
1.77E‐10
4.00E‐04
3.68E‐04
0.80%
N
‐
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
7.96E‐07
6.19E‐07
4.42E‐07
2.65E‐07
2.65E‐07
1.77E‐07
8.84E‐08
8.84E‐08
8.84E‐08
8.84E‐08
6.10E‐08
6.738
1.800
1.400
1.000
0.6000
0.6000
0.4000
0.2000
0.2000
0.2000
0.2000
0.1380
0.0336
0.0090
0.0070
0.0050
0.0030
0.0030
0.0020
9.98E‐04
9.98E‐04
9.98E‐04
9.98E‐04
6.88E‐04
100.00%
26.71%
20.78%
14.84%
8.90%
8.90%
5.94%
2.97%
2.97%
2.97%
2.97%
2.05%
D
D
D
D
D
D
D
D
E
D
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
4.68E‐07
8.90E‐07
8.47E‐07
6.54E‐07
3.93E‐07
3.58E‐07
2.34E‐07
2.10E‐07
1.91E‐07
1.91E‐07
2860.3
2842.0
250.0
475.0
452.0
349.0
210.0
191.0
125.0
112.0
102.0
102.0
0.6787
0.2000
0.1680
0.0059
0.0056
0.0043
0.0026
0.0024
0.0015
0.0014
0.0013
0.0013
100.00%
29.47%
24.75%
0.86%
0.82%
0.63%
0.38%
0.35%
0.23%
0.20%
0.19%
0.19%
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
21
Table B
Hazardous Event Precursor code
Number
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04A
HET‐04B
HET‐04B
HET‐04B
HET‐04B
HET‐04B
HET‐04B
Cause precursor description
BVANTROLUE
Train collision with shopping trolleys/bin/pram/wheel barrow placed on the line by vandals
MINFAULTUE
Train collision with object due to infrastructure defect/fault
BBLNOBJEUE
Train collision with objects blown onto the line
MISCOBJEUE
Train collision with miscellaneous objects on the line
HBALOBJEUE
Train collision with high ballast
MMATDETOUE
Train collision with detonators on the line
BVANOBSUUE
Train collision with object suspended from bridge/tunnel/signal by vandals YOBJECTSUF
Train collision with object due to defective rail vehicle
BVANDETSUE
Train collision with detonators placed on the line by vandals
RGATEBARUE
Train striking gates / barriers at level crossing
BVANOHLE
Train collision with debris from OHLE structures due to vandalism
ROHLOBJEUF
Train collision with debris from OHLE structures
YOBJECTSUH
Train collision with infrastructure (e.g. bridge, signal, cable) due to human error
PTRAOBJEPF
Train collision with objects/debris fallen from trains
UOBJTHRWTE
Train collision with object thrown up by passing train
RLNSOBJEUF
Train collision with debris from landslips
ROBJSUSPUE
Train collision with object suspended from bridge/tunnel including icicles UOOGOBJ‐TE
Train collision with out of gauge item on passing train
MVFOOBJEUE
Train collision with maintenance vehicles left foul
BVANSOFMAT
Train collision with sofa/mattress placed on the line by vandals
BVANTHRTRN
Train collision with objects/debris (e.g. seat cushions) thrown from train by vandals
RBGDOBJEUF
Train collision with debris from overbridges
PLATOBJEUE
Train collision with objects fallen from platform
MTCERROBJE
Train collision with detonators/possession marker boards on the line due to train crew error
BVANVEHIUE
Train collision with motorbike driven on the line by vandals
PLCOOBJEUE
Train collision with debris from platform collapse
Collision of train with RV outside possession (not resulting in derailment)
RVSRTAF
RV struck ‐ RTA ‐ vehicle on lineside via fence/wall
RVSRTAE
RV struck ‐ RTA ‐ vehicle on lineside via embankment/bank
RVSOTH
RV struck ‐ other cause
RVSRTAB
RV struck ‐ RTA ‐ vehicle on lineside via bridge
RVSVANDA
RV struck ‐ criminal/vandal activity ‐ vehicle on lineside
Version 6.1 – June 2009
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
National frequency (events/ normaliser)
1.70E‐07
1.48E‐07
9.55E‐08
9.18E‐08
5.43E‐08
4.68E‐08
3.56E‐08
3.56E‐08
2.43E‐08
2.25E‐08
2.06E‐08
2.06E‐08
2.06E‐08
1.69E‐08
1.69E‐08
1.31E‐08
1.31E‐08
1.12E‐08
9.36E‐09
5.62E‐09
5.62E‐09
3.75E‐09
2.50E‐09
2.10E‐09
7.49E‐10
3.12E‐10
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
2.34E‐09
1.40E‐09
9.36E‐10
4.01E‐10
1.40E‐09
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
91.00
79.00
51.00
49.00
29.00
25.00
19.00
19.00
13.00
12.00
11.00
11.00
11.00
9.000
9.000
7.000
7.000
6.000
5.000
3.000
3.000
2.000
1.333
1.124
0.4000
0.1667
3.464
1.250
0.7500
0.5000
0.2143
0.7500
0.0011
9.75E‐04
6.30E‐04
6.05E‐04
3.58E‐04
3.09E‐04
2.35E‐04
2.35E‐04
1.60E‐04
1.48E‐04
1.36E‐04
1.36E‐04
1.36E‐04
1.11E‐04
1.11E‐04
8.64E‐05
8.64E‐05
7.41E‐05
6.17E‐05
3.70E‐05
3.70E‐05
2.47E‐05
1.65E‐05
1.39E‐05
4.94E‐06
2.06E‐06
0.4673
0.2145
0.1287
0.0858
0.0368
0.0015
0.17%
0.14%
0.09%
0.09%
0.05%
0.05%
0.03%
0.03%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.00%
0.00%
0.00%
0.00%
0.00%
68.85%
31.61%
18.96%
12.64%
5.42%
0.22%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
22
Table B
Hazardous Event Precursor code
Number
HET‐04 POS
Cause precursor description
HET‐04 POS
Collision of OTP with object inside possession (not resulting in derailment)
Driver/Operator Error ‐ Inattention leading to Collision between OTP and an Obstruction OT05I12T
on/near Running Line ‐ Inside Possession
Maintenance Equipment/Tools on/near Running Line leading to Collision between OTP and OT05I37T
an Obstruction on/near Running Line ‐ Inside Possession
Infrastructure Defect leading to Collision between OTP and an Obstruction on/near Running OT05I32T
Line ‐ Inside Possession
Vandalism leading to Collision between OTP and an Obstruction on/near Running Line ‐ OT05I55T
Inside Possession
Defect on OTP leading to Collision between OTP and an Obstruction on/near Running Line ‐ OT05I59T
Inside Possession
OT05I60T
Collision between OTP and animals on the line
Unsafe System of Work Employed by Workers leading to Collision between OTP and an OT05I54T
Obstruction on/near Running Line ‐ Inside Possession
Driver/Operator Error ‐ Braking leading to Collision between OTP and an Obstruction OT05I11T
on/near Running Line ‐ Inside Possession
Driver/Operator Error ‐ Speeding leading to Collision between OTP and an Obstruction OT05I15T
on/near Running Line ‐ Inside Possession
Inadequate Contractor Controls / Management leading to Collision between OTP and an OT05I20T
Obstruction on/near Running Line ‐ Inside Possession
Incorrect Management of IC Interface leading to Collision between OTP and an Obstruction OT05I31T
on/near Running Line ‐ Inside Possession
OT05I61T
RV struck ‐ collision with train inside possession
HET‐06
HET‐06A
HET‐06A
HET‐06A
HET‐06A
HET‐06A
HET‐06A
HET‐06B
HET‐06B
Collision between two passenger trains in station (permissive working)
Collision between two passenger trains in station (permissive working): rollbacks
PPWRDRSUPH
Driver error during train set‐up leading to roll back permissive working collision
PPWRDRBKPH
Driver inadvertent brake release leading to roll back permissive working collision
PPWRDRHBPH
Driver failure to apply brakes leading to roll back permissive working collision
PPWRDRSDPH
Driver error during train shutdown leading to roll back permissive working collision
PPWRBRK‐PF
Defective brakes leading to roll back permissive working collision
Collision between two passenger trains in station (permissive working): low speed
PPWLDRSPPH
Driver error while coupling/uncoupling units leading to permissive working collision
HET‐04 POS
HET‐04 POS
HET‐04 POS
HET‐04 POS
HET‐04 POS
HET‐04 POS
HET‐04 POS
HET‐04 POS
HET‐04 POS
HET‐04 POS
HET‐04 POS
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
14.82
0.0114
1.68%
‐
OTP hrs
4.86E‐06
11.00
0.0085
1.25%
D
‐
OTP hrs
4.41E‐07
0.9982
7.69E‐04
0.11%
D
‐
OTP hrs
2.53E‐07
0.5714
4.40E‐04
0.06%
D
‐
OTP hrs
2.53E‐07
0.5714
4.40E‐04
0.06%
D
‐
OTP hrs
2.53E‐07
0.5714
4.40E‐04
0.06%
D
‐
OTP hrs
2.53E‐07
0.5714
4.40E‐04
0.06%
D
‐
OTP hrs
6.40E‐08
0.1447
1.11E‐04
0.02%
E
‐
OTP hrs
3.50E‐08
0.0792
6.10E‐05
0.01%
E
‐
OTP hrs
3.50E‐08
0.0792
6.10E‐05
0.01%
E
‐
OTP hrs
3.50E‐08
0.0792
6.10E‐05
0.01%
E
‐
OTP hrs
3.50E‐08
0.0792
6.10E‐05
0.01%
E
‐
OTP hrs
3.50E‐08
0.0792
6.10E‐05
0.01%
E
‐
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
5.78E‐09
2.98E‐09
2.04E‐09
5.30E‐10
2.01E‐10
3.10E‐09
0.0488
0.0085
0.0043
0.0022
0.0015
3.90E‐04
1.48E‐04
0.0025
0.0025
100.00%
17.42%
8.73%
4.50%
3.09%
0.80%
0.30%
5.11%
5.11%
D
D
D
D
N
Pass. trn kms
7.572
5.221
2.616
1.349
0.9260
0.2398
0.0909
1.402
1.402
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
23
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HET‐06C
HET‐06C
HET‐06C
HET‐06C
HET‐06C
HET‐06C
Collision between two passenger trains in station (permissive working): potential for high speed
PPWPDRCOPH
Driver loss of concentration leading to permissive working collision
PPWPDREXPH
Driver inexperience leading to permissive working collision
PPWPDRBKPH
Driver misjudges braking/failure to control train leading to permissive working collision
PPWPBRK‐PF
Defective brakes leading to permissive working collision
TPWPAHRCPE
Low adhesion due to rail contamination leading to permissive working collision
HET‐09
HET‐09A
HET‐09A
HET‐09A
HET‐09A
HET‐09A
HET‐09A
HET‐09A
HET‐09B
HET‐09B
HET‐09B
HET‐09B
HET‐09B
HET‐09B
HET‐09C
HET‐09C
HET‐09C
HET‐09C
HET‐09C
HET‐09C
HET‐09C
HET‐09C
HET‐09C
HET‐09C
HET‐09C
HET‐09C
HET‐09C
HET‐09C
Collision with buffer stops
Collision with buffer stops: rollbacks
PBSRDRSUPH
Driver error during train set‐up leading to roll back buffer stop collision
PBSRDRHBPH
Driver failure to apply brakes leading to roll back buffer stop collision
PBSRDRGNPH
Driver error (general) leading to roll back buffer stop collision
PBSRDRBKPH
Driver inadvertent brake release leading to roll back buffer stop collision
PBSRBRK‐PF
Defective brakes leading to roll back buffer stop collision
PBSRDRSDPH
Driver error during train shutdown leading to roll back buffer stop collision
Collision with buffer stops: low speed
PBSLDRREVH
Driver error accidentally selecting reverse instead of forwards leading to buffer stop collision PBSLDRSPPH
Driver error while splitting units leading to buffer stop collision
PBSDSCOMPH
Driver‐Shunter Communication failure leading to buffer stop collision
PBSLDRBTPH
Driver error using couple/ uncouple button leading to buffer stop collision
PBSLDRPRPH
Driver error when propelling leading to buffer stop collision
Collision with buffer stops: potential for high speed PBSMSBK2PH
Driver misjudges braking leading to buffer stop collision
PBSPBRK‐PF
Defective brakes leading to buffer stop collision
PBSPDREXPH
Driver inexperience leading to buffer stop collision PBSPDRCOPH
Driver loss of concentration leading to buffer stop collision
TBSPAHDRPH
Low adhesion and driver fails to adjust to conditions leading to buffer stop collision PBSPDRILPH
Driver medical condition leading to buffer stop collision
TBSPAHRCPE
Low adhesion due to rail contamination leading to buffers stop collision
WBSPAHLFPE
Low adhesion due to leaves leading to buffer stops PBSPDROSPH
Overspeeding leading to buffer stop collision WBSPAHWTPE
Low adhesion due to weather conditions leading to buffers stop collisions
PBSPCONTPF
Defective train control equipment leading to buffer stop collision PBSPDRALPH
Driver under the influence of alcohol leading to buffer stop collision
PBSRUNAWPH
Run Away Train leading to buffer stop collision
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
9.46E‐10
4.32E‐10
3.15E‐10
2.01E‐10
2.01E‐10
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
1.90E‐09
1.12E‐09
1.03E‐09
9.47E‐10
2.58E‐10
2.58E‐10
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
7.49E‐10
4.28E‐10
1.90E‐10
1.90E‐10
9.33E‐11
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
3.88E‐09
8.48E‐10
5.55E‐10
3.70E‐10
3.70E‐10
2.84E‐10
2.38E‐10
2.38E‐10
1.34E‐10
1.00E‐10
7.71E‐11
6.70E‐11
6.34E‐11
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.9488
0.4286
0.1956
0.1429
0.0909
0.0909
0.0378
0.0171
0.0078
0.0057
0.0036
0.0036
77.47%
34.99%
15.97%
11.66%
7.42%
7.42%
6.654
2.500
0.8615
0.5070
0.4680
0.4290
0.1170
0.1170
0.7476
0.3392
0.1938
0.0862
0.0862
0.0422
3.273
1.759
0.3839
0.2513
0.1675
0.1675
0.1286
0.1077
0.1077
0.0607
0.0453
0.0349
0.0304
0.0287
0.1360
0.0041
0.0014
8.25E‐04
7.62E‐04
6.98E‐04
1.90E‐04
1.90E‐04
0.0013
6.03E‐04
3.45E‐04
1.53E‐04
1.53E‐04
7.51E‐05
0.1301
0.0699
0.0153
0.0100
0.0067
0.0067
0.0051
0.0043
0.0043
0.0024
0.0018
0.0014
0.0012
0.0011
100.00%
2.99%
1.03%
0.61%
0.56%
0.51%
0.14%
0.14%
0.98%
0.44%
0.25%
0.11%
0.11%
0.06%
95.63%
51.39%
11.22%
7.34%
4.89%
4.89%
3.76%
3.15%
3.15%
1.77%
1.32%
1.02%
0.89%
0.84%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
24
Table B
Hazardous Event Precursor code
Number
HET‐09 POS
HET‐09 POS
HET‐09 POS
HET‐09 POS
HET‐09 POS
HET‐09 POS
HET‐09 POS
HET‐09 POS
HET‐09 POS
HET‐10
HET‐10A
HET‐10A
HET‐10A
HET‐10A
HET‐10A
HET‐10A
HET‐10A
HET‐10A
HET‐10A
HET‐10A
HET‐10A
Cause precursor description
Collision with buffer stops: OTP inside possession
Driver/Operator Error ‐ Inattention leading to Collision between OTP and Buffers ‐ Inside OT03I12T
Possession Driver/Operator Error ‐ Braking leading to Collision between OTP and Buffers ‐ Inside OT03I11T
Possession
Driver/Operator Error ‐ Speeding leading to Collision between OTP and Buffers ‐ Inside OT03I15T
Possession OT03I32T
Infrastructure Defect leading to Collision between OTP and Buffers ‐ Inside Possession OT03I59T
Defect on OTP leading to Collision between OTP and Buffers ‐ Inside Possession Driver/Operator Error ‐ Propelling leading to Collision between OTP and Buffers ‐ Inside OT03I13T
Possession Driver/Operator Error ‐ Signal Passed at Danger leading to Collision between OTP and Buffers
OT03I14T
‐ Inside Possession Incorrect Management of IC Interface leading to Collision between OTP and Buffers ‐ Inside OT03I31T
Possession
Passenger train collision with road vehicle on level crossing
Passenger train collision with road vehicle on level crossing: MCB + CCTV
VCCTVRTATE
RV struck by train ‐ on MCB + CCTV ‐ RV incorrectly on LC due to RTA
VCCTVATRTH
RV struck by train ‐ on MCB + CCTV ‐ RV driver error: road user turns onto the railway
RV struck by train ‐ on MCB + CCTV ‐ RV incorrectly on LC due to environmental VCCTVEBLTE
factors/driver error: user brakes too late
VCCTVASETH
RV struck by train ‐ on MCB + CCTV ‐ RV driver error: fails to observe level crossing
VCCTVMANTH
RV struck by train ‐ on MCB + CCTV ‐ railway staff error in manual control
RV struck by train ‐ on MCB + CCTV ‐ RV incorrectly on LC due to environmental factors: VCCTVESNTE
sunlight obscures crossing/lights
VCCTVDELTH
RV struck by train ‐ on MCB + CCTV ‐ RV driver deliberate action
LCCTVSKPTH
RV struck by train ‐ on MCB + CCTV ‐ signaller/crossing keeper error
RV struck by train ‐ on MCB + CCTV ‐ RV incorrectly on LC due to environmental factors: poor VCCTVEVSTE
crossing visibility
VCCTVSPDTH
RV struck by train ‐ on MCB + CCTV ‐ SPAD at signal protecting the LC
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.1333
5.52E‐04
0.41%
‐
OTP hrs
2.48E‐08
0.0560
2.32E‐04
0.17%
E
‐
OTP hrs
1.18E‐08
0.0267
1.10E‐04
0.08%
E
‐
OTP hrs
1.18E‐08
0.0267
1.10E‐04
0.08%
E
‐
OTP hrs
OTP hrs
2.95E‐09
2.95E‐09
0.0067
0.0067
2.76E‐05
2.76E‐05
0.02%
0.02%
E
E
‐
‐
OTP hrs
2.36E‐09
0.0053
2.21E‐05
0.02%
E
‐
OTP hrs
1.77E‐09
0.0040
1.66E‐05
0.01%
E
‐
OTP hrs
5.90E‐10
0.0013
5.52E‐06
0.00%
E
‐
Pass. trn kms
Pass. trn kms
1.53E‐10
3.76E‐11
12.40
0.1761
0.0694
0.0170
2.397
0.0464
0.0183
0.0045
100.00%
1.94%
0.76%
0.19%
D
E
‐
‐
‐
‐
Pass. trn kms
3.49E‐11
0.0158
0.0042
0.17%
E
‐
Pass. trn kms
Pass. trn kms
3.25E‐11
3.12E‐11
0.0147
0.0141
0.0039
0.0037
0.16%
0.16%
E
E
‐
‐
Pass. trn kms
3.10E‐11
0.0140
0.0037
0.15%
E
‐
Pass. trn kms
Pass. trn kms
3.09E‐11
2.24E‐11
0.0140
0.0101
0.0037
0.0027
0.15%
0.11%
E
E
‐
‐
Pass. trn kms
9.96E‐12
0.0045
0.0012
0.05%
E
‐
Pass. trn kms
5.36E‐12
0.0024
6.40E‐04
0.03%
E
‐
25
Table B
Hazardous Event Precursor code
Number
HET‐10B
HET‐10B
HET‐10B
HET‐10B
HET‐10B
HET‐10B
HET‐10B
HET‐10B
HET‐10B
HET‐10B
HET‐10C
HET‐10C
HET‐10C
HET‐10C
HET‐10C
HET‐10C
HET‐10C
HET‐10C
HET‐10C
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10D
Cause precursor description
Passenger train collision with road vehicle on level crossing: MCB
RV struck by train ‐ on MCB ‐ RV incorrectly on LC due to environmental factors/driver error: VMCB‐EBLTE
user brakes too late
LMCB‐SKPTH
RV struck by train ‐ on MCB ‐ signaller/crossing keeper error
VMCBRTA‐TE
RV struck by train ‐ on MCB ‐ RV incorrectly on LC due to RTA
VMCB‐ATRTH
RV struck by train ‐ on MCB ‐ RV driver error: road user turns onto the railway
VMCB‐ASETH
RV struck by train ‐ on MCB ‐ RV driver error: fails to observe level crossing RV struck by train ‐ on MCB ‐ RV incorrectly on LC due to environmental factors: sunlight VMCB‐ESNTE
obscures crossing/lights
VMCB‐DELTH
RV struck by train ‐ on MCB ‐ RV driver deliberate action
RV struck by train ‐ on MCB ‐ RV incorrectly on LC due to environmental factors: poor VMCB‐EVSTE
crossing visibility
VMCB‐SPDTH
RV struck by train ‐ on MCB ‐ SPAD at signal protecting the LC
Passenger train collision with road vehicle on level crossing: MCG
LMCG‐SKPTH
RV struck by train ‐ on MCG ‐ signaller/crossing keeper error
VMCG‐DELTH
RV struck by train ‐ on MCG ‐ RV driver deliberate action
RV struck by train ‐ on MCG ‐ RV incorrectly on LC due to environmental factors/driver error: VMCG‐EBLTE
user brakes too late
RV struck by train ‐ on MCG ‐ RV incorrectly on LC due to environmental factors: sunlight VMCG‐ESNTE
obscures crossing/lights
VMCG‐ASETH
RV struck by train ‐ on MCG ‐ RV driver error: fails to observe level crossing
VMCGRTA‐TE
RV struck by train ‐ on MCG ‐ RV incorrectly on LC due to RTA
RV struck by train ‐ on MCG ‐ RV incorrectly on LC due to environmental factors: poor VMCG‐EVSTE
crossing visibility
VMCG‐SPDTH
RV struck by train ‐ on MCG ‐ SPAD at signal protecting the LC
Passenger train collision with road vehicle on level crossing: ABCL
RV struck by train ‐ on ABCL ‐ RV incorrectly on LC due to environmental factors: sunlight VABCLESNTE
obscures crossing/lights
RV struck by train ‐ on ABCL ‐ RV incorrectly on LC due to environment factors/driver error: VABCLEBLTE
user brakes too late VABCLASETH
RV struck by train ‐ on ABCL ‐ RV driver error: fails to observe level crossing
VABCLVANTE
RV struck by train ‐ on ABCL ‐ RV deliberately placed on level crossing
VABCLDELTH
RV struck by train ‐ on ABCL ‐ RV driver deliberate action: ignores lights
LABCLBLETF
RV struck by train ‐ on ABCL ‐ equipment failure: lights/barriers fail to operate
VABCLMANTH
RV struck by train ‐ on ABCL ‐ railway staff error in manual control
RV struck by train ‐ on ABCL ‐ RV incorrectly on LC due to environmental factors: poor VABCLEVSTE
crossing visibility
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.3509
0.0926
3.86%
‐
Pass. trn kms
2.99E‐10
0.1353
0.0357
1.49%
D
‐
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
2.90E‐10
7.13E‐11
2.77E‐11
2.67E‐11
0.1315
0.0323
0.0126
0.0121
0.0347
0.0085
0.0033
0.0032
1.45%
0.36%
0.14%
0.13%
D
E
E
E
‐
‐
‐
‐
Pass. trn kms
2.56E‐11
0.0116
0.0031
0.13%
E
‐
Pass. trn kms
2.36E‐11
0.0107
0.0028
0.12%
E
‐
Pass. trn kms
8.19E‐12
0.0037
9.79E‐04
0.04%
E
‐
Pass. trn kms
2.50E‐12
1.24E‐10
6.94E‐11
2.98E‐04
0.0317
0.0145
0.0081
0.01%
1.32%
0.60%
0.34%
E
Pass. trn kms
Pass. trn kms
0.0011
0.1226
0.0559
0.0314
D
D
‐
‐
‐
‐
Pass. trn kms
2.26E‐11
0.0102
0.0026
0.11%
E
‐
Pass. trn kms
2.03E‐11
0.0092
0.0024
0.10%
E
‐
Pass. trn kms
Pass. trn kms
2.02E‐11
1.33E‐11
0.0092
0.0060
0.0024
0.0016
0.10%
0.07%
E
E
‐
‐
Pass. trn kms
9.61E‐13
4.35E‐04
1.13E‐04
0.00%
E
‐
Pass. trn kms
4.66E‐13
2.11E‐04
0.3417
5.46E‐05
0.0292
0.00%
1.22%
E
‐
‐
Pass. trn kms
2.34E‐10
0.1062
0.0093
0.39%
D
‐
Pass. trn kms
1.84E‐10
0.0834
0.0073
0.30%
D
‐
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
1.54E‐10
5.70E‐11
3.22E‐11
2.81E‐11
9.84E‐12
0.0698
0.0258
0.0146
0.0127
0.0045
0.0061
0.0023
0.0013
0.0011
3.89E‐04
0.25%
0.09%
0.05%
0.05%
0.02%
D
E
E
E
E
‐
‐
‐
‐
‐
Pass. trn kms
8.22E‐12
0.0037
3.25E‐04
0.01%
E
‐
26
Table B
Hazardous Event Precursor code
Number
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10D
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
HET‐10E
Cause precursor description
VABCLDRRTH
RV struck by train ‐ on ABCL ‐ train driver error
VABCLAGDTH
RV struck by train ‐ on ABCL ‐ RV driver error: grounding
VABCLSTRTE
RV struck by train ‐ on ABCL ‐ RV stranded/failed on LC
VABCLRTATE
RV struck by train ‐ on ABCL ‐ RV incorrectly on LC due to RTA
VABCLASTTH
RV struck by train ‐ on ABCL ‐ RV driver error: second train coming
PABCLOVSTH
RV struck by train ‐ on ABCL ‐ train overspeeding
VABCLSUIXPE
RV struck by train ‐ on ABCL ‐ RV driver suicide
LABCLDETTF
RV struck by train ‐ on ABCL ‐ equipment failure: failure to detect approaching train
VABCLABBTH
RV struck by train ‐ on ABCL ‐ RV driver error: blocking back
VABCLATRTH
RV struck by train ‐ on ABCL ‐ RV driver error: road user turns onto the railway
PABCLSPDTH
RV struck by train ‐ on ABCL ‐ SPAD at stop sign protecting the LC
Passenger train collision with road vehicle on level crossing: AHB
VAHB‐DELTH
RV struck by train ‐ on AHB ‐ RV driver deliberate action: zigzags barriers
RV struck by train ‐ on AHB ‐ RV incorrectly on LC due to environmental factors/driver error: VAHB‐EBLTE
user brakes too late
VAHB‐STRTE
RV struck by train ‐ on AHB ‐ RV stranded/failed on LC
VAHB‐ASETH
RV struck by train ‐ on AHB ‐ RV driver error: fails to observe level crossing
VAHB‐ABBTH
RV struck by train ‐ on AHB ‐ RV driver error: blocking back
RV struck by train ‐ on AHB ‐ RV incorrectly on LC due to environmental factors: sunlight VAHB‐ESNTE
obscures crossing/lights
VAHB‐VANTE
RV struck by train ‐ on AHB ‐ RV deliberately placed on level crossing
VAHB‐ATRTH
RV struck by train ‐ on AHB ‐ RV driver error: road user turns onto the railway
VAHB‐AGDTH
RV struck by train ‐ on AHB ‐ RV driver error: grounding
VAHBSUIXPE
RV struck by train ‐ on AHB ‐ RV driver suicide
VAHB‐MANTH
RV struck by train ‐ on AHB ‐ railway staff error in manual control
VAHBRTA‐TE
RV struck by train ‐ on AHB ‐ RV incorrectly on LC due to RTA
VAHB‐ASTTH
RV struck by train ‐ on AHB ‐ RV driver error: second train coming
LAHB‐BLETF
RV struck by train ‐ on AHB ‐ equipment failure: lights/barriers fail to operate
RV struck by train ‐ on AHB ‐ RV incorrectly on LC due to environmental factors: poor VAHB‐EVSTE
crossing visibility
LAHB‐DETTF
RV struck by train ‐ on AHB ‐ equipment failure: failure to detect approaching train
PAHB‐OVSTH
RV struck by train ‐ on AHB ‐ train driver error: train overspeeding
Version 6.1 – June 2009
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
National frequency (events/ normaliser)
5.92E‐12
5.91E‐12
5.91E‐12
4.84E‐12
3.47E‐12
3.25E‐12
1.59E‐11
6.44E‐13
3.92E‐13
7.78E‐14
1.69E‐14
Pass. trn kms
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
1.32E‐09
0.0027
0.0027
0.0027
0.0022
0.0016
0.0015
0.0072
2.92E‐04
1.77E‐04
3.52E‐05
7.66E‐06
3.489
0.5999
2.34E‐04
2.34E‐04
2.34E‐04
1.91E‐04
1.37E‐04
1.28E‐04
2.84E‐05
2.55E‐05
1.55E‐05
3.07E‐06
6.69E‐07
0.7168
0.1584
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.00%
0.00%
0.00%
0.00%
0.00%
29.90%
6.61%
E
E
E
E
E
E
E
E
E
E
E
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
Pass. trn kms
9.59E‐10
0.4344
0.1147
4.79%
D
‐
Pass. trn kms
Pass. trn kms
Pass. trn kms
9.35E‐10
6.38E‐10
4.67E‐10
0.4236
0.2892
0.2115
0.1119
0.0764
0.0559
4.67%
3.19%
2.33%
D
D
D
‐
‐
‐
Pass. trn kms
4.18E‐10
0.1891
0.0499
2.08%
D
‐
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
3.65E‐10
2.40E‐10
2.02E‐10
1.90E‐09
1.17E‐10
5.76E‐11
3.15E‐11
2.65E‐11
0.1653
0.1089
0.0914
0.8606
0.0531
0.0261
0.0143
0.0120
0.0437
0.0287
0.0241
0.0227
0.0140
0.0069
0.0038
0.0032
1.82%
1.20%
1.01%
0.94%
0.59%
0.29%
0.16%
0.13%
D
D
D
D
D
D
E
E
‐
‐
‐
‐
‐
‐
‐
‐
Pass. trn kms
9.34E‐12
0.0042
0.0011
0.05%
E
‐
Pass. trn kms
Pass. trn kms
7.67E‐12
3.87E‐12
0.0035
0.0018
9.18E‐04
4.63E‐04
0.04%
0.02%
E
E
‐
‐
27
Table B
Hazardous Event Precursor code
Number
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10F
HET‐10G
HET‐10G
HET‐10G
HET‐10G
HET‐10G
HET‐10G
HET‐10G
HET‐10G
HET‐10G
HET‐10G
HET‐10G
HET‐10G
Cause precursor description
Passenger train collision with road vehicle on level crossing: AOCL
VAOCLDELTH
RV struck by train ‐ on AOCL ‐ RV driver deliberate action: ignores lights/redlight running
RV struck by train ‐ on AOCL ‐ RV incorrectly on LC due to environmental factors: sunlight VAOCLESNTE
obscures crossing/lights
RV struck by train ‐ on AOCL ‐ RV incorrectly on LC due to environmental factors/driver error: VAOCLEBLTE
user brakes too late LAOCLLSETF
RV struck by train ‐ on AOCL ‐ AOCL lights fail to operate
VAOCLASETH
RV struck by train ‐ on AOCL ‐ RV driver error: fails to observe level crossing
VAOCLVANTE
RV struck by train ‐ on AOCL ‐ road vehicle deliberately placed on level crossing
RV struck by train ‐ on AOCL ‐ RV incorrectly on LC due to environmental factors: poor VAOCLEVSTE
crossing visibility
VAOCLASTTH
RV struck by train ‐ on AOCL ‐ RV driver error: second train coming
VAOCLATRTH
RV struck by train ‐ on AOCL ‐ RV driver error: road user turns onto the railway VAOCLDRRTH
RV struck by train ‐ on AOCL ‐ train driver error
VAOCLAGDTH
RV struck by train ‐ on AOCL ‐ RV driver error: grounding/stuck
VAOCLSTRTE
RV struck by train ‐ on AOCL ‐ RV stranded/failed on LC
VAOCLRTATE
RV struck by train ‐ on AOCL ‐ RV incorrectly on LC due to RTA
PAOCLOVSTH
RV struck by train ‐ on AOCL ‐ train overspeeding
LAOCLDETTF
RV struck by train ‐ on AOCL ‐ equipment failure: failure to detect approaching train
VAOCLSUIXPE
RV struck by train ‐ on AOCL ‐ RV driver suicide
VAOCLABBTH
RV struck by train ‐ on AOCL ‐ RV driver error: blocking back
PAOCLSPDTH
RV struck by train ‐ on AOCL ‐ SPAD at stop board protecting the LC
Passenger train collision with road vehicle on level crossing: UWC + MWL
VUWCMEFCTE
RV struck by train ‐ on UWC + MWL ‐ RV driver error: user fails to observe lights
VUWCMAMITE
RV struck by train ‐ on UWC + MWL ‐ RV driver error: misuse due to gates left open
VUWCMAGDTH
RV struck by train ‐ on UWC + MWL ‐ RV driver error: grounding
VUWCMDELTH
RV struck by train ‐ on UWC + MWL ‐ RV driver deliberate action
RV struck by train ‐ on UWC + MWL ‐ RV incorrectly on LC due to environmental factors: VUWCMESNTE
sunlight obscures crossing/lights
LUWCM‐LETF
RV struck by train ‐ on UWC + MWL ‐ equipment failure: lights fail to operate
VUWCMSTRTE
RV struck by train ‐ on UWC + MWL ‐ RV stranded/failed on LC
VUWCMVANTE
RV struck by train ‐ on UWC + MWL ‐ RV deliberately placed on level crossing
RV struck by train ‐ on UWC + MWL ‐ RV incorrectly on LC due to environmental factors: user VUWCMEBLTE
brakes too late
VUWCMASTTH
RV struck by train ‐ on UWC + MWL ‐ RV driver error: second train coming
RV struck by train ‐ on UWC + MWL ‐ RV incorrectly on LC due to environmental factors: poor VUWCMEVSTE
crossing visibility
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. trn kms
3.20E‐09
2.974
1.451
0.2555
0.1248
10.66%
5.21%
D
‐
‐
Pass. trn kms
1.23E‐09
0.5582
0.0480
2.00%
D
‐
Pass. trn kms
1.03E‐09
0.4687
0.0403
1.68%
D
‐
Pass. trn kms
Pass. trn kms
Pass. trn kms
3.54E‐10
2.47E‐10
2.15E‐10
0.1602
0.1118
0.0972
0.0138
0.0096
0.0084
0.57%
0.40%
0.35%
D
D
D
‐
‐
‐
Pass. trn kms
1.27E‐10
0.0575
0.0049
0.21%
D
‐
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
1.23E‐10
4.21E‐12
3.64E‐12
3.64E‐12
3.64E‐12
2.97E‐12
2.00E‐12
3.96E‐13
9.80E‐12
2.41E‐13
1.04E‐14
9.01E‐10
3.02E‐10
1.16E‐10
1.08E‐10
0.0048
1.64E‐04
1.42E‐04
1.42E‐04
1.42E‐04
1.16E‐04
7.78E‐05
1.54E‐05
1.19E‐05
9.39E‐06
4.05E‐07
0.2000
0.1120
0.0375
0.0144
0.0134
0.20%
0.01%
0.01%
0.01%
0.01%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
8.34%
4.67%
1.56%
0.60%
0.56%
D
E
E
E
E
E
E
E
E
E
E
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
0.0555
0.0019
0.0016
0.0016
0.0016
0.0013
9.04E‐04
1.79E‐04
0.0044
1.09E‐04
4.71E‐06
0.7308
0.4082
0.1366
0.0525
0.0489
D
D
D
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
Pass. trn kms
6.82E‐11
0.0309
0.0085
0.35%
D
‐
Pass. trn kms
Pass. trn kms
Pass. trn kms
6.25E‐11
2.75E‐11
1.57E‐11
0.0283
0.0125
0.0071
0.0078
0.0034
0.0020
0.32%
0.14%
0.08%
D
E
E
‐
‐
‐
Pass. trn kms
5.68E‐12
0.0026
7.06E‐04
0.03%
E
‐
Pass. trn kms
2.03E‐12
9.20E‐04
2.52E‐04
0.01%
E
‐
Pass. trn kms
8.87E‐13
4.02E‐04
1.10E‐04
0.00%
E
‐
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
28
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HET‐10G
HET‐10G
VUWCLSUIXPE
VUWCMRTATE
RV struck by train ‐ on UWC + MWL ‐ RV driver suicide
RV struck by train ‐ on UWC + MWL ‐ RV incorrectly on LC due to RTA
Pass. trn kms
Pass. trn kms
National frequency (events/ normaliser)
4.35E‐12
1.32E‐13
HET‐10G
LUWCMDETTF
RV struck by train ‐ on UWC + MWL ‐ equipment failure: failure to detect approaching train
Pass. trn kms
1.76E‐14
HET‐10H
Passenger train collision with road vehicle on level crossing: UWC + T
RV struck by train ‐ on UWC + T ‐ RV driver error: road user fails to use phone to check line is VUWCTEFCTE
clear
VUWCTSKPTH
RV struck by train ‐ on UWC + T ‐ signaller/crossing keeper error
VUWCTAMITE
RV struck by train ‐ on UWC + T ‐ RV driver error: misuse due to gates left open
VUWCT‐DELTH
RV struck by train ‐ on UWC + T ‐ RV driver deliberate action
VUWCTVANTE
RV struck by train ‐ on UWC + T ‐ RV deliberately placed on level crossing
VUWCT‐STRTE
RV struck by train ‐ on UWC + T ‐ RV stranded/failed on LC VUWCTAGDTH
RV struck by train ‐ on UWC + T ‐ RV driver error: grounding
RV struck by train ‐ on UWC + T ‐ RV incorrectly on LC due to environmental factors/driver VUWCTEBLTE
error: user brakes too late
VUWCTASTTH
RV struck by train ‐ on UWC + T ‐ RV driver error: second train coming
RV struck by train ‐ on UWC + T ‐ RV incorrectly on LC due to environmental factors: poor VUWCTEVSTE
crossing visibility
VUWCTSUIXPE
RV struck by train ‐ on UWC + T ‐ RV driver suicide
VUWCTRTA‐TE
RV struck by train ‐ on UWC + T ‐ RV incorrectly on LC due to RTA
Passenger train collision with road vehicle on level crossing: UWC
VUWC‐ASETE
RV struck by train ‐ on UWC ‐ RV driver error: poor sighting
VUWC‐AGDTH
RV struck by train ‐ on UWC ‐ RV driver error: grounding VUWC‐AMITE
RV struck by train ‐ on UWC ‐ RV driver error: misuse due to gates left open
VUWC‐ASSTE
RV struck by train ‐ on UWC ‐ RV driver error: fails to stop, look and listen
VUWC‐DELTH
RV struck by train ‐ on UWC ‐ RV driver deliberate action
VUWC‐VANTE
RV struck by train ‐ on UWC ‐ RV deliberately placed on level crossing
VUWC‐STRTE
RV struck by train ‐ on UWC ‐ RV stranded/failed on LC
RV struck by train ‐ on UWC ‐ RV incorrectly on LC due to environmental factors: sunlight VUWC‐ESNTE
obscures crossing/view up and down tracks
RV struck by train ‐ on UWC ‐ RV incorrectly on LC due to environmental factors/driver error: VUWC‐EBLTE
user brakes too late
VUWC‐ASTTH
RV struck by train ‐ on UWC ‐ RV driver error: second train coming
RV struck by train ‐ on UWC ‐ RV incorrectly on LC due to environmental factors: poor VUWC‐EVSTE
crossing visibility
HET‐10H
HET‐10H
HET‐10H
HET‐10H
HET‐10H
HET‐10H
HET‐10H
HET‐10H
HET‐10H
HET‐10H
HET‐10H
HET‐10H
HET‐10I
HET‐10I
HET‐10I
HET‐10I
HET‐10I
HET‐10I
HET‐10I
HET‐10I
HET‐10I
HET‐10I
HET‐10I
HET‐10I
Version 6.1 – June 2009
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0020
5.98E‐05
4.86E‐05
1.64E‐05
0.00%
0.00%
E
E
‐
‐
7.96E‐06
2.18E‐06
0.00%
E
‐
2.189
0.6179
25.77%
‐
Pass. trn kms
2.73E‐09
1.234
0.3491
14.56%
D
‐
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
7.97E‐10
6.94E‐10
2.59E‐10
2.15E‐10
6.59E‐11
4.71E‐11
0.3611
0.3145
0.1171
0.0973
0.0298
0.0213
0.1021
0.0889
0.0331
0.0275
0.0084
0.0060
4.26%
3.71%
1.38%
1.15%
0.35%
0.25%
D
D
D
D
D
E
‐
‐
‐
‐
‐
‐
Pass. trn kms
1.23E‐11
0.0056
0.0016
0.07%
E
‐
Pass. trn kms
4.69E‐12
0.0021
6.00E‐04
0.03%
E
‐
Pass. trn kms
2.01E‐12
9.11E‐04
2.58E‐04
0.01%
E
‐
Pass. trn kms
Pass. trn kms
1.04E‐11
3.16E‐13
7.93E‐10
7.78E‐10
6.46E‐10
5.73E‐10
2.20E‐10
1.10E‐10
5.60E‐11
1.56E‐04
4.05E‐05
0.3855
0.0953
0.0935
0.0776
0.0688
0.0264
0.0132
0.0067
0.01%
0.00%
16.08%
3.97%
3.90%
3.24%
2.87%
1.10%
0.55%
0.28%
E
E
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
0.0047
1.43E‐04
1.457
0.3592
0.3525
0.2924
0.2593
0.0995
0.0498
0.0253
D
D
D
D
D
D
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
Pass. trn kms
1.62E‐11
0.0073
0.0019
0.08%
E
‐
Pass. trn kms
1.08E‐11
0.0049
0.0013
0.05%
E
‐
Pass. trn kms
4.03E‐12
0.0018
4.84E‐04
0.02%
E
‐
Pass. trn kms
1.74E‐12
7.87E‐04
2.09E‐04
0.01%
E
‐
29
Table B
Hazardous Event Precursor code
Number
HET‐10I
HET‐10I
HET‐10J
HET‐10J
HET‐10J
HET‐10J
HET‐10J
HET‐10J
HET‐10J
HET‐10J
HET‐10J
HET‐10J
HET‐10J
HET‐10J
HET‐10J
HET‐10J
HET‐10J
HET‐10K
HET‐10K
HET‐10K
HET‐10K
HET‐10K
HET‐10K
HET‐10K
HET‐10K
HET‐10K
Cause precursor description
VUWCSUIXPE
RV struck by train ‐ on UWC ‐ RV driver suicide
VUWCRTA‐TE
RV struck by train ‐ on UWC ‐ RV incorrectly on LC due to RTA
Passenger train collision with road vehicle on level crossing: OC
VOC‐‐ASSTE
RV struck by train ‐ on OC ‐ RV driver error: fails to stop, look and listen
VOC‐‐DELTH
RV struck by train ‐ on OC ‐ RV driver deliberate action
VOC‐‐ASETE
RV struck by train ‐ on OC ‐ RV driver error: poor sighting
RV struck by train ‐ on OC ‐ RV incorrectly on LC due to environmental factors: sunlight VOC‐‐ESNTE
obscures crossing/view up and down tracks
RV struck by train ‐ on OC ‐ RV incorrectly on LC due to environmental factors/driver error: VOC‐‐EBLTE
user brakes too late
VOC‐‐ASETH
RV struck by train ‐ on OC ‐ RV driver error: fails to observe level crossing
RV struck by train ‐ on OC ‐ RV incorrectly on LC due to environmental factors: poor crossing VOC‐‐EVSTE
visibility
VOC‐‐ATRTH
RV struck by train ‐ on OC ‐ RV driver error: road user turns onto the railway
VOCRTA‐‐TE
RV struck by train ‐ on OC ‐ RV incorrectly on LC due to RTA
VOC‐‐OVSTH
RV struck by train ‐ on OC ‐ train overspeeding
VOC‐‐AGDTH
RV struck by train ‐ on OC ‐ RV driver error: grounding
VOC‐‐STRTE
RV struck by train ‐ on OC ‐ RV stranded/failed on LC
VOC‐‐ABBTH
RV struck by train ‐ on OC ‐ RV driver error: blocking back
VOC‐‐SUIXPE
RV struck by train ‐ on OC ‐ RV driver suicide
Passenger train collision with road vehicle on level crossing: FP (includes FP MWL)
VFPC‐AGDTH
RV struck by train ‐ on FP ‐ RV driver error: grounding
VFPC‐ASSTE
RV struck by train ‐ on FP ‐ RV driver error: fails to stop, look and listen
VFPC‐‐DELTH
RV struck by train ‐ on FP ‐ RV driver deliberate action
VFPC‐EFCTE
RV struck by train ‐ on FP ‐ RV driver error: user fails to observe lights
VFPC‐VANTE
RV struck by train ‐ on FP ‐ RV deliberately placed on level crossing
LFPC‐‐LETF
RV struck by train ‐ on FP ‐ equipment failure: lights fail to operate
VFPC‐ASTTH
RV struck by train ‐ on FP ‐ RV driver error: second train coming
VFPC‐SUIXPE
RV struck by train ‐ on FP ‐ RV driver suicide
Version 6.1 – June 2009
Pass. trn kms
Pass. trn kms
National frequency (events/ normaliser)
8.85E‐12
2.68E‐13
Pass. trn kms
Pass. trn kms
Pass. trn kms
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
1.03E‐09
5.92E‐11
1.26E‐11
0.0040
1.22E‐04
0.5013
0.4650
0.0268
0.0057
7.07E‐05
3.22E‐05
0.0047
0.0043
2.50E‐04
5.31E‐05
0.00%
0.00%
0.20%
0.18%
0.01%
0.00%
E
E
D
D
E
‐
‐
‐
‐
‐
‐
Pass. trn kms
4.56E‐12
0.0021
1.93E‐05
0.00%
E
‐
Pass. trn kms
2.31E‐12
0.0010
9.74E‐06
0.00%
E
‐
Pass. trn kms
8.77E‐13
3.97E‐04
3.71E‐06
0.00%
E
‐
Pass. trn kms
3.22E‐13
1.46E‐04
1.36E‐06
0.00%
E
‐
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
6.60E‐14
4.26E‐14
2.86E‐14
5.21E‐15
5.21E‐15
3.45E‐16
1.40E‐14
6.51E‐11
5.59E‐11
1.04E‐11
4.65E‐12
2.58E‐12
1.73E‐12
2.15E‐13
4.19E‐13
2.79E‐07
1.80E‐07
1.21E‐07
2.20E‐08
2.20E‐08
1.46E‐09
5.82E‐10
0.0171
0.0079
0.0068
0.0013
5.65E‐04
3.14E‐04
2.11E‐04
2.61E‐05
5.81E‐06
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.71%
0.33%
0.28%
0.05%
0.02%
0.01%
0.01%
0.00%
0.00%
E
E
E
E
E
E
E
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
2.99E‐05
1.93E‐05
1.29E‐05
2.36E‐06
2.36E‐06
1.56E‐07
6.35E‐06
0.0639
0.0295
0.0253
0.0047
0.0021
0.0012
7.85E‐04
9.73E‐05
1.90E‐04
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
E
E
E
E
E
E
E
30
Table B
Hazardous Event Precursor code
Number
HET‐11
HET‐11A
HET‐11A
HET‐11A
HET‐11A
HET‐11A
HET‐11A
HET‐11A
HET‐11A
HET‐11A
HET‐11A
HET‐11A
HET‐11B
HET‐11B
HET‐11B
HET‐11B
HET‐11B
HET‐11B
HET‐11B
HET‐11B
HET‐11B
HET‐11B
HET‐11C
HET‐11C
HET‐11C
HET‐11C
HET‐11C
HET‐11C
HET‐11C
Cause precursor description
Non‐passenger train collision with road vehicle on level crossing
Non passenger train collision with road vehicle on level crossing: MCB + CCTV
VCCTVRTATE
RV struck by train ‐ on MCB + CCTV ‐ RV incorrectly on LC due to RTA
VCCTVATRTH
RV struck by train ‐ on MCB + CCTV ‐ RV driver error: road user turns onto the railway
RV struck by train ‐ on MCB + CCTV ‐ RV incorrectly on LC due to environmental VCCTVEBLTE
factors/driver error: user brakes too late
VCCTVASETH
RV struck by train ‐ on MCB + CCTV ‐ RV driver error: fails to observe level crossing
VCCTVMANTH
RV struck by train ‐ on MCB + CCTV ‐ railway staff error in manual control
RV struck by train ‐ on MCB + CCTV ‐ RV incorrectly on LC due to environmental factors: VCCTVESNTE
sunlight obscures crossing/lights
VCCTVDELTH
RV struck by train ‐ on MCB + CCTV ‐ RV driver deliberate action
LCCTVSKPTH
RV struck by train ‐ on MCB + CCTV ‐ signaller/crossing keeper error
RV struck by train ‐ on MCB + CCTV ‐ RV incorrectly on LC due to environmental factors: poor VCCTVEVSTE
crossing visibility
VCCTVSPDTH
RV struck by train ‐ on MCB + CCTV ‐ SPAD at signal protecting the LC
Non passenger train collision with road vehicle on level crossing: MCB
RV struck by train ‐ on MCB ‐ RV incorrectly on LC due to environmental factors/driver error: VMCB‐EBLTE
user brakes too late
LMCB‐SKPTH
RV struck by train ‐ on MCB ‐ signaller/crossing keeper error
VMCBRTA‐TE
RV struck by train ‐ on MCB ‐ RV incorrectly on LC due to RTA
VMCB‐ATRTH
RV struck by train ‐ on MCB ‐ RV driver error: road user turns onto the railway
VMCB‐ASETH
RV struck by train ‐ on MCB ‐ RV driver error: fails to observe level crossing RV struck by train ‐ on MCB ‐ RV incorrectly on LC due to environmental factors: sunlight VMCB‐ESNTE
obscures crossing/lights
VMCB‐DELTH
RV struck by train ‐ on MCB ‐ RV driver deliberate action
RV struck by train ‐ on MCB ‐ RV incorrectly on LC due to environmental factors: poor VMCB‐EVSTE
crossing visibility
VMCB‐SPDTH
RV struck by train ‐ on MCB ‐ SPAD at signal protecting the LC
Non passenger train collision with road vehicle on level crossing: MCG
LMCG‐SKPTH
RV struck by train ‐ on MCG ‐ signaller/crossing keeper error
VMCG‐DELTH
RV struck by train ‐ on MCG ‐ RV driver deliberate action
RV struck by train ‐ on MCG ‐ RV incorrectly on LC due to environmental factors/driver error: VMCG‐EBLTE
user brakes too late
RV struck by train ‐ on MCG ‐ RV incorrectly on LC due to environmental factors: sunlight VMCG‐ESNTE
obscures crossing/lights
VMCG‐ASETH
RV struck by train ‐ on MCG ‐ RV driver error: fails to observe level crossing
VMCGRTA‐TE
RV struck by train ‐ on MCG ‐ RV incorrectly on LC due to RTA
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
Non‐pass trn kms
Non‐pass trn kms
1.53E‐10
3.76E‐11
2.353
0.0315
0.0124
0.0030
0.4061
0.0075
0.0030
7.26E‐04
100.00%
1.85%
0.73%
0.18%
D
E
‐
‐
‐
‐
Non‐pass trn kms
3.49E‐11
0.0028
6.73E‐04
0.17%
E
‐
Non‐pass trn kms
Non‐pass trn kms
3.25E‐11
3.12E‐11
0.0026
0.0025
6.28E‐04
6.02E‐04
0.15%
0.15%
E
E
‐
‐
Non‐pass trn kms
3.10E‐11
0.0025
5.98E‐04
0.15%
E
‐
Non‐pass trn kms
Non‐pass trn kms
3.09E‐11
2.24E‐11
0.0025
0.0018
5.97E‐04
4.33E‐04
0.15%
0.11%
E
E
‐
‐
Non‐pass trn kms
9.96E‐12
8.07E‐04
1.92E‐04
0.05%
E
‐
Non‐pass trn kms
5.36E‐12
4.34E‐04
0.0628
1.03E‐04
0.0150
0.03%
3.68%
E
‐
‐
Non‐pass trn kms
2.99E‐10
0.0242
0.0058
1.42%
D
‐
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
2.90E‐10
7.13E‐11
2.77E‐11
2.67E‐11
0.0235
0.0058
0.0022
0.0022
0.0056
0.0014
5.35E‐04
5.16E‐04
1.38%
0.34%
0.13%
0.13%
D
E
E
E
‐
‐
‐
‐
Non‐pass trn kms
2.56E‐11
0.0021
4.94E‐04
0.12%
E
‐
Non‐pass trn kms
2.36E‐11
0.0019
4.56E‐04
0.11%
E
‐
Non‐pass trn kms
8.19E‐12
6.64E‐04
1.58E‐04
0.04%
E
‐
Non‐pass trn kms
2.50E‐12
1.24E‐10
6.94E‐11
4.82E‐05
0.0052
0.0024
0.0013
0.01%
1.29%
0.59%
0.33%
E
Non‐pass trn kms
Non‐pass trn kms
2.02E‐04
0.0219
0.0100
0.0056
D
D
‐
‐
‐
‐
Non‐pass trn kms
2.26E‐11
0.0018
4.35E‐04
0.11%
E
‐
Non‐pass trn kms
2.03E‐11
0.0016
3.92E‐04
0.10%
E
‐
Non‐pass trn kms
Non‐pass trn kms
2.02E‐11
1.33E‐11
0.0016
0.0011
3.90E‐04
2.57E‐04
0.10%
0.06%
E
E
‐
‐
31
Table B
Hazardous Event Precursor code
Number
HET‐11C
HET‐11C
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11D
HET‐11E
HET‐11E
HET‐11E
HET‐11E
HET‐11E
HET‐11E
HET‐11E
HET‐11E
Cause precursor description
RV struck by train ‐ on MCG ‐ RV incorrectly on LC due to environmental factors: poor crossing visibility
VMCG‐SPDTH
RV struck by train ‐ on MCG ‐ SPAD at signal protecting the LC
Non passenger train collision with road vehicle on level crossing: ABCL
RV struck by train ‐ on ABCL ‐ RV incorrectly on LC due to environmental factors: sunlight VABCLESNTE
obscures crossing/lights
RV struck by train ‐ on ABCL ‐ RV incorrectly on LC due to environment factors/driver error: VABCLEBLTE
user brakes too late VABCLASETH
RV struck by train ‐ on ABCL ‐ RV driver error: fails to observe level crossing
VABCLVANTE
RV struck by train ‐ on ABCL ‐ RV deliberately placed on level crossing
VABCLDELTH
RV struck by train ‐ on ABCL ‐ RV driver deliberate action: ignores lights
LABCLBLETF
RV struck by train ‐ on ABCL ‐ equipment failure: lights/barriers fail to operate
VABCLMANTH
RV struck by train ‐ on ABCL ‐ railway staff error in manual control
RV struck by train ‐ on ABCL ‐ RV incorrectly on LC due to environmental factors: poor VABCLEVSTE
crossing visibility
VABCLDRRTH
RV struck by train ‐ on ABCL ‐ train driver error
VABCLAGDTH
RV struck by train ‐ on ABCL ‐ RV driver error: grounding
VABCLSTRTE
RV struck by train ‐ on ABCL ‐ RV stranded/failed on LC
VABCLRTATE
RV struck by train ‐ on ABCL ‐ RV incorrectly on LC due to RTA
VABCLASTTH
RV struck by train ‐ on ABCL ‐ RV driver error: second train coming
PABCLOVSTH
RV struck by train ‐ on ABCL ‐ train overspeeding
LABCLDETTF
RV struck by train ‐ on ABCL ‐ equipment failure: failure to detect approaching train
VABCLABBTH
RV struck by train ‐ on ABCL ‐ RV driver error: blocking back
VABCLSUIXPE
RV struck by train ‐ on ABCL ‐ RV driver suicide
VABCLATRTH
RV struck by train ‐ on ABCL ‐ RV driver error: road user turns onto the railway
PABCLSPDTH
RV struck by train ‐ on ABCL ‐ SPAD at stop sign protecting the LC
Non passenger train collision with road vehicle on level crossing: AHB
VAHB‐DELTH
RV struck by train ‐ on AHB ‐ RV driver deliberate action: zigzags barriers
RV struck by train ‐ on AHB ‐ RV incorrectly on LC due to environmental factors/driver error: VAHB‐EBLTE
user brakes too late
VAHB‐STRTE
RV struck by train ‐ on AHB ‐ RV stranded/failed on LC
VAHB‐ASETH
RV struck by train ‐ on AHB ‐ RV driver error: fails to observe level crossing
VAHB‐ABBTH
RV struck by train ‐ on AHB ‐ RV driver error: blocking back
RV struck by train ‐ on AHB ‐ RV incorrectly on LC due to environmental factors: sunlight VAHB‐ESNTE
obscures crossing/lights
VAHB‐VANTE
RV struck by train ‐ on AHB ‐ RV deliberately placed on level crossing
VMCG‐EVSTE
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Non‐pass trn kms
9.61E‐13
7.79E‐05
1.86E‐05
0.00%
E
‐
Non‐pass trn kms
4.66E‐13
3.78E‐05
0.0611
9.00E‐06
0.0051
0.00%
1.26%
E
‐
‐
Non‐pass trn kms
2.34E‐10
0.0190
0.0016
0.40%
D
‐
Non‐pass trn kms
1.84E‐10
0.0149
0.0013
0.32%
D
‐
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.54E‐10
5.70E‐11
3.22E‐11
2.81E‐11
9.84E‐12
0.0125
0.0046
0.0026
0.0023
7.97E‐04
0.0011
3.96E‐04
2.24E‐04
1.95E‐04
6.84E‐05
0.26%
0.10%
0.06%
0.05%
0.02%
D
E
E
E
E
‐
‐
‐
‐
‐
Non‐pass trn kms
8.22E‐12
6.66E‐04
5.71E‐05
0.01%
E
‐
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
5.92E‐12
5.91E‐12
5.91E‐12
4.84E‐12
3.47E‐12
3.25E‐12
6.44E‐13
3.92E‐13
1.59E‐11
7.78E‐14
1.69E‐14
1.32E‐09
4.11E‐05
4.11E‐05
4.11E‐05
3.36E‐05
2.41E‐05
2.26E‐05
4.47E‐06
2.72E‐06
5.86E‐07
5.40E‐07
1.17E‐07
0.1123
0.0256
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.00%
0.00%
0.00%
0.00%
0.00%
27.65%
6.30%
E
E
E
E
E
E
E
E
E
E
E
Non‐pass trn kms
4.79E‐04
4.79E‐04
4.79E‐04
3.92E‐04
2.81E‐04
2.63E‐04
5.22E‐05
3.17E‐05
0.0013
6.30E‐06
1.37E‐06
0.6240
0.1073
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
Non‐pass trn kms
9.59E‐10
0.0777
0.0185
4.56%
D
‐
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
9.35E‐10
6.38E‐10
4.67E‐10
0.0758
0.0517
0.0378
0.0181
0.0123
0.0090
4.45%
3.04%
2.22%
D
D
D
‐
‐
‐
Non‐pass trn kms
4.18E‐10
0.0338
0.0081
1.99%
D
‐
Non‐pass trn kms
3.65E‐10
0.0296
0.0070
1.74%
D
‐
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
32
Table B
Hazardous Event Precursor code
Number
HET‐11E
HET‐11E
HET‐11E
HET‐11E
HET‐11E
HET‐11E
HET‐11E
HET‐11E
HET‐11E
HET‐11E
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
HET‐11F
Cause precursor description
VAHB‐ATRTH
VAHB‐AGDTH
VAHB‐MANTH
VAHBRTA‐TE
VAHB‐ASTTH
LAHB‐BLETF
VAHBSUIXPE
RV struck by train ‐ on AHB ‐ RV driver error: road user turns onto the railway
RV struck by train ‐ on AHB ‐ RV driver error: grounding
RV struck by train ‐ on AHB ‐ railway staff error in manual control
RV struck by train ‐ on AHB ‐ RV incorrectly on LC due to RTA
RV struck by train ‐ on AHB ‐ RV driver error: second train coming
RV struck by train ‐ on AHB ‐ equipment failure: lights/barriers fail to operate
RV struck by train ‐ on AHB ‐ RV driver suicide
RV struck by train ‐ on AHB ‐ RV incorrectly on LC due to environmental factors: poor VAHB‐EVSTE
crossing visibility
LAHB‐DETTF
RV struck by train ‐ on AHB ‐ equipment failure: failure to detect approaching train
PAHB‐OVSTH
RV struck by train ‐ on AHB ‐ train driver error: train overspeeding
Non passenger train collision with road vehicle on level crossing: AOCL
VAOCLDELTH
RV struck by train ‐ on AOCL ‐ RV driver deliberate action: ignores lights/redlight running
RV struck by train ‐ on AOCL ‐ RV incorrectly on LC due to environmental factors: sunlight VAOCLESNTE
obscures crossing/lights
RV struck by train ‐ on AOCL ‐ RV incorrectly on LC due to environmental factors/driver error: VAOCLEBLTE
user brakes too late LAOCLLSETF
RV struck by train ‐ on AOCL ‐ AOCL lights fail to operate
VAOCLASETH
RV struck by train ‐ on AOCL ‐ RV driver error: fails to observe level crossing
VAOCLVANTE
RV struck by train ‐ on AOCL ‐ road vehicle deliberately placed on level crossing
RV struck by train ‐ on AOCL ‐ RV incorrectly on LC due to environmental factors: poor VAOCLEVSTE
crossing visibility
VAOCLASTTH
RV struck by train ‐ on AOCL ‐ RV driver error: second train coming
VAOCLATRTH
RV struck by train ‐ on AOCL ‐ RV driver error: road user turns onto the railway VAOCLDRRTH
RV struck by train ‐ on AOCL ‐ train driver error
VAOCLAGDTH
RV struck by train ‐ on AOCL ‐ RV driver error: grounding/stuck
VAOCLSTRTE
RV struck by train ‐ on AOCL ‐ RV stranded/failed on LC
VAOCLRTATE
RV struck by train ‐ on AOCL ‐ RV incorrectly on LC due to RTA
PAOCLOVSTH
RV struck by train ‐ on AOCL ‐ train overspeeding
LAOCLDETTF
RV struck by train ‐ on AOCL ‐ equipment failure: failure to detect approaching train
VAOCLABBTH
RV struck by train ‐ on AOCL ‐ RV driver error: blocking back
VAOCLSUIXPE
RV struck by train ‐ on AOCL ‐ RV driver suicide
PAOCLSPDTH
RV struck by train ‐ on AOCL ‐ SPAD at stop board protecting the LC
Version 6.1 – June 2009
Normaliser
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
National frequency (events/ normaliser)
2.40E‐10
2.02E‐10
1.17E‐10
5.76E‐11
3.15E‐11
2.65E‐11
1.90E‐09
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0195
0.0164
0.0095
0.0047
0.0026
0.0021
0.1539
0.0046
0.0039
0.0023
0.0011
6.08E‐04
5.11E‐04
2.47E‐04
1.14%
0.96%
0.56%
0.27%
0.15%
0.13%
0.06%
D
D
D
D
E
E
D
‐
‐
‐
‐
‐
‐
‐
Non‐pass trn kms
9.34E‐12
7.57E‐04
1.80E‐04
0.04%
E
‐
Non‐pass trn kms
Non‐pass trn kms
7.67E‐12
3.87E‐12
3.20E‐09
1.48E‐04
7.47E‐05
0.0456
0.0223
0.04%
0.02%
11.22%
5.48%
E
E
Non‐pass trn kms
6.22E‐04
3.14E‐04
0.5320
0.2596
D
‐
‐
‐
‐
Non‐pass trn kms
1.23E‐09
0.0998
0.0086
2.11%
D
‐
Non‐pass trn kms
1.03E‐09
0.0838
0.0072
1.77%
D
‐
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
3.54E‐10
2.47E‐10
2.15E‐10
0.0287
0.0200
0.0174
0.0025
0.0017
0.0015
0.61%
0.42%
0.37%
D
D
D
‐
‐
‐
Non‐pass trn kms
1.27E‐10
0.0103
8.82E‐04
0.22%
D
‐
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.23E‐10
4.21E‐12
3.64E‐12
3.64E‐12
3.64E‐12
2.97E‐12
2.00E‐12
3.96E‐13
2.41E‐13
9.80E‐12
1.04E‐14
0.0099
3.41E‐04
2.95E‐04
2.95E‐04
2.95E‐04
2.41E‐04
1.62E‐04
3.21E‐05
1.95E‐05
7.94E‐04
8.43E‐07
8.51E‐04
2.92E‐05
2.53E‐05
2.53E‐05
2.53E‐05
2.06E‐05
1.39E‐05
2.75E‐06
1.67E‐06
2.93E‐07
7.22E‐08
0.21%
0.01%
0.01%
0.01%
0.01%
0.01%
0.00%
0.00%
0.00%
0.00%
0.00%
D
E
E
E
E
E
E
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
33
Table B
Hazardous Event Precursor code
Number
HET‐11G
HET‐11G
HET‐11G
HET‐11G
HET‐11G
HET‐11G
HET‐11G
HET‐11G
HET‐11G
HET‐11G
HET‐11G
HET‐11G
HET‐11G
HET‐11G
HET‐11G
HET‐11H
HET‐11H
HET‐11H
HET‐11H
HET‐11H
HET‐11H
HET‐11H
HET‐11H
HET‐11H
HET‐11H
HET‐11H
HET‐11H
HET‐11H
Cause precursor description
Non passenger train collision with road vehicle on level crossing: UWC + MWL
VUWCMEFCTE
RV struck by train ‐ on UWC + MWL ‐ RV driver error: user fails to observe lights
VUWCMAMITE
RV struck by train ‐ on UWC + MWL ‐ RV driver error: misuse due to gates left open
VUWCMAGDTH
RV struck by train ‐ on UWC + MWL ‐ RV driver error: grounding
VUWCMDELTH
RV struck by train ‐ on UWC + MWL ‐ RV driver deliberate action
RV struck by train ‐ on UWC + MWL ‐ RV incorrectly on LC due to environmental factors: VUWCMESNTE
sunlight obscures crossing/lights
LUWCM‐LETF
RV struck by train ‐ on UWC + MWL ‐ equipment failure: lights fail to operate
VUWCMSTRTE
RV struck by train ‐ on UWC + MWL ‐ RV stranded/failed on LC
VUWCMVANTE
RV struck by train ‐ on UWC + MWL ‐ RV deliberately placed on level crossing
RV struck by train ‐ on UWC + MWL ‐ RV incorrectly on LC due to environmental factors: user VUWCMEBLTE
brakes too late
VUWCMASTTH
RV struck by train ‐ on UWC + MWL ‐ RV driver error: second train coming
RV struck by train ‐ on UWC + MWL ‐ RV incorrectly on LC due to environmental factors: poor VUWCMEVSTE
crossing visibility
VUWCMRTATE
RV struck by train ‐ on UWC + MWL ‐ RV incorrectly on LC due to RTA
VUWCLSUIXPE
RV struck by train ‐ on UWC + MWL ‐ RV driver suicide
LUWCMDETTF
RV struck by train ‐ on UWC + MWL ‐ equipment failure: failure to detect approaching train
Non passenger train collision with road vehicle on level crossing: UWC + T
RV struck by train ‐ on UWC + T ‐ RV driver error: road user fails to use phone to check line is VUWCTEFCTE
clear
VUWCTSKPTH
RV struck by train ‐ on UWC + T ‐ signaller/crossing keeper error
VUWCTAMITE
RV struck by train ‐ on UWC + T ‐ RV driver error: misuse due to gates left open
VUWCT‐DELTH
RV struck by train ‐ on UWC + T ‐ RV driver deliberate action
VUWCTVANTE
RV struck by train ‐ on UWC + T ‐ RV deliberately placed on level crossing
VUWCT‐STRTE
RV struck by train ‐ on UWC + T ‐ RV stranded/failed on LC VUWCTAGDTH
RV struck by train ‐ on UWC + T ‐ RV driver error: grounding
RV struck by train ‐ on UWC + T ‐ RV incorrectly on LC due to environmental factors/driver VUWCTEBLTE
error: user brakes too late
VUWCTASTTH
RV struck by train ‐ on UWC + T ‐ RV driver error: second train coming
RV struck by train ‐ on UWC + T ‐ RV incorrectly on LC due to environmental factors: poor VUWCTEVSTE
crossing visibility
VUWCTRTA‐TE
RV struck by train ‐ on UWC + T ‐ RV incorrectly on LC due to RTA
VUWCTSUIXPE
RV struck by train ‐ on UWC + T ‐ RV driver suicide
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
9.01E‐10
3.02E‐10
1.16E‐10
1.08E‐10
0.1307
0.0730
0.0244
0.0094
0.0088
0.0315
0.0177
0.0059
0.0023
0.0021
7.77%
4.35%
1.45%
0.56%
0.52%
D
D
D
E
‐
‐
‐
‐
‐
Non‐pass trn kms
6.82E‐11
0.0055
0.0013
0.33%
D
‐
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
6.25E‐11
2.75E‐11
1.57E‐11
0.0051
0.0022
0.0013
0.0012
5.39E‐04
3.08E‐04
0.30%
0.13%
0.08%
D
E
E
‐
‐
‐
Non‐pass trn kms
5.68E‐12
4.60E‐04
1.11E‐04
0.03%
E
‐
Non‐pass trn kms
2.03E‐12
1.65E‐04
3.98E‐05
0.01%
E
‐
Non‐pass trn kms
8.87E‐13
7.19E‐05
1.74E‐05
0.00%
E
‐
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
1.32E‐13
4.35E‐12
1.76E‐14
1.07E‐05
3.52E‐04
1.42E‐06
0.3915
2.58E‐06
5.23E‐07
3.44E‐07
0.0945
0.00%
0.00%
0.00%
23.27%
E
E
E
‐
‐
‐
‐
Non‐pass trn kms
2.73E‐09
0.2208
0.0534
13.15%
D
‐
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
7.97E‐10
6.94E‐10
2.59E‐10
2.15E‐10
6.59E‐11
4.71E‐11
0.0646
0.0562
0.0210
0.0174
0.0053
0.0038
0.0156
0.0136
0.0051
0.0042
0.0013
9.22E‐04
3.85%
3.35%
1.25%
1.04%
0.32%
0.23%
D
D
D
D
D
E
‐
‐
‐
‐
‐
‐
Non‐pass trn kms
1.23E‐11
9.99E‐04
2.42E‐04
0.06%
E
‐
Non‐pass trn kms
4.69E‐12
3.80E‐04
9.18E‐05
0.02%
E
‐
Non‐pass trn kms
2.01E‐12
1.63E‐04
3.94E‐05
0.01%
E
‐
Non‐pass trn kms
Non‐pass trn kms
3.16E‐13
1.04E‐11
2.56E‐05
8.44E‐04
6.18E‐06
1.24E‐06
0.00%
0.00%
E
E
‐
‐
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
34
Table B
Hazardous Event Precursor code
Number
HET‐11I
HET‐11I
HET‐11I
HET‐11I
HET‐11I
HET‐11I
HET‐11I
HET‐11I
HET‐11I
HET‐11I
HET‐11I
HET‐11I
HET‐11I
HET‐11I
HET‐11J
HET‐11J
HET‐11J
HET‐11J
HET‐11J
HET‐11J
HET‐11J
HET‐11J
HET‐11J
HET‐11J
HET‐11J
HET‐11J
HET‐11J
HET‐11J
HET‐11J
Cause precursor description
Non passenger train collision with road vehicle on level crossing: UWC
VUWC‐ASETE
RV struck by train ‐ on UWC ‐ RV driver error: poor sighting
VUWC‐AGDTH
RV struck by train ‐ on UWC ‐ RV driver error: grounding VUWC‐AMITE
RV struck by train ‐ on UWC ‐ RV driver error: misuse due to gates left open
VUWC‐ASSTE
RV struck by train ‐ on UWC ‐ RV driver error: fails to stop, look and listen
VUWC‐DELTH
RV struck by train ‐ on UWC ‐ RV driver deliberate action
VUWC‐VANTE
RV struck by train ‐ on UWC ‐ RV deliberately placed on level crossing
VUWC‐STRTE
RV struck by train ‐ on UWC ‐ RV stranded/failed on LC
RV struck by train ‐ on UWC ‐ RV incorrectly on LC due to environmental factors: sunlight VUWC‐ESNTE
obscures crossing/view up and down tracks
RV struck by train ‐ on UWC ‐ RV incorrectly on LC due to environmental factors/driver error: VUWC‐EBLTE
user brakes too late
VUWC‐ASTTH
RV struck by train ‐ on UWC ‐ RV driver error: second train coming
RV struck by train ‐ on UWC ‐ RV incorrectly on LC due to environmental factors: poor VUWC‐EVSTE
crossing visibility
VUWCRTA‐TE
RV struck by train ‐ on UWC ‐ RV incorrectly on LC due to RTA
VUWCSUIXPE
RV struck by train ‐ on UWC ‐ RV driver suicide
Non passenger train collision with road vehicle on level crossing: OC
VOC‐‐ASSTE
RV struck by train ‐ on OC ‐ RV driver error: fails to stop, look and listen
VOC‐‐DELTH
RV struck by train ‐ on OC ‐ RV driver deliberate action
VOC‐‐ASETE
RV struck by train ‐ on OC ‐ RV driver error: poor sighting
RV struck by train ‐ on OC ‐ RV incorrectly on LC due to environmental factors: sunlight VOC‐‐ESNTE
obscures crossing/view up and down tracks
RV struck by train ‐ on OC ‐ RV incorrectly on LC due to environmental factors/driver error: VOC‐‐EBLTE
user brakes too late
VOC‐‐ASETH
RV struck by train ‐ on OC ‐ RV driver error: fails to observe level crossing
RV struck by train ‐ on OC ‐ RV incorrectly on LC due to environmental factors: poor crossing VOC‐‐EVSTE
visibility
VOC‐‐ATRTH
RV struck by train ‐ on OC ‐ RV driver error: road user turns onto the railway
VOCRTA‐‐TE
RV struck by train ‐ on OC ‐ RV incorrectly on LC due to RTA
VOC‐‐OVSTH
RV struck by train ‐ on OC ‐ train overspeeding
VOC‐‐AGDTH
RV struck by train ‐ on OC ‐ RV driver error: grounding
VOC‐‐STRTE
RV struck by train ‐ on OC ‐ RV stranded/failed on LC
VOC‐‐ABBTH
RV struck by train ‐ on OC ‐ RV driver error: blocking back
VOC‐‐SUIXPE
RV struck by train ‐ on OC ‐ RV driver suicide
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
7.93E‐10
7.78E‐10
6.46E‐10
5.73E‐10
2.20E‐10
1.10E‐10
5.60E‐11
0.2606
0.0642
0.0631
0.0523
0.0464
0.0178
0.0089
0.0045
0.0629
0.0155
0.0153
0.0127
0.0112
0.0043
0.0022
0.0011
15.48%
3.83%
3.76%
3.12%
2.76%
1.06%
0.53%
0.27%
D
D
D
D
D
D
E
‐
‐
‐
‐
‐
‐
‐
‐
Non‐pass trn kms
1.62E‐11
0.0013
3.17E‐04
0.08%
E
‐
Non‐pass trn kms
1.08E‐11
8.74E‐04
2.11E‐04
0.05%
E
‐
Non‐pass trn kms
4.03E‐12
3.26E‐04
7.89E‐05
0.02%
E
‐
Non‐pass trn kms
1.74E‐12
1.41E‐04
3.40E‐05
0.01%
E
‐
Non‐pass trn kms
Non‐pass trn kms
2.68E‐13
8.85E‐12
1.03E‐09
5.92E‐11
1.26E‐11
5.25E‐06
1.06E‐06
0.0015
0.0014
7.84E‐05
1.67E‐05
0.00%
0.00%
0.36%
0.33%
0.02%
0.00%
E
E
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
2.17E‐05
7.17E‐04
0.0897
0.0832
0.0048
0.0010
D
D
E
‐
‐
‐
‐
‐
‐
Non‐pass trn kms
4.56E‐12
3.70E‐04
6.04E‐06
0.00%
E
‐
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
Non‐pass trn kms
2.31E‐12
1.87E‐04
3.05E‐06
0.00%
E
‐
Non‐pass trn kms
8.77E‐13
7.10E‐05
1.16E‐06
0.00%
E
‐
Non‐pass trn kms
3.22E‐13
2.61E‐05
4.27E‐07
0.00%
E
‐
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
6.60E‐14
4.26E‐14
2.86E‐14
5.21E‐15
5.21E‐15
3.45E‐16
1.40E‐14
5.35E‐06
3.45E‐06
2.31E‐06
4.22E‐07
4.22E‐07
2.79E‐08
1.14E‐06
8.74E‐08
5.64E‐08
3.78E‐08
6.89E‐09
6.89E‐09
4.57E‐10
3.39E‐11
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
E
E
E
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
35
Table B
Hazardous Event Precursor code
Number
HET‐11K
HET‐11K
HET‐11K
HET‐11K
HET‐11K
HET‐11K
HET‐11K
HET‐11K
HET‐11K
HET‐11 POS
HET‐11 POS
HET‐11 POS
HET‐11 POS
Cause precursor description
Non passenger train collision with road vehicle on level crossing: FP (includes FP MWL)
VFPC‐AGDTH
RV struck by train ‐ on FP ‐ RV driver error: grounding
VFPC‐ASSTE
RV struck by train ‐ on FP ‐ RV driver error: fails to stop, look and listen
VFPC‐‐DELTH
RV struck by train ‐ on FP ‐ RV driver deliberate action
VFPC‐EFCTE
RV struck by train ‐ on FP ‐ RV driver error: user fails to observe lights
VFPC‐VANTE
RV struck by train ‐ on FP ‐ RV deliberately placed on level crossing
LFPC‐‐LETF
RV struck by train ‐ on FP ‐ equipment failure: lights fail to operate
VFPC‐ASTTH
RV struck by train ‐ on FP ‐ RV driver error: second train coming
VFPC‐SUIXPE
RV struck by train ‐ on FP ‐ RV driver suicide
OTP collision with road vehicle on level crossing inside possession
OT04I05POS
Crossing User Error ‐ RV struck by OTP on level crossings inside possession
Unsafe System of Work Employed by Workers ‐ RV struck by OTP on level crossings inside OT04I54POS
possession
OTP Driver/Operator Error (Inattention) ‐ RV struck by OTP on level crossings inside OT04I12POS
possession
HET‐11 POS
OT04I11POS
HET‐11 POS
OT04I14POS
HET‐11 POS
HET‐11 POS
HET‐11 POS
HET‐11 POS
OT04I15POS
OT04I17POS
OT04I32POS
OT04I59POS
HET‐11 POS
OT04I13POS
HET‐11 POS
OT04I31POS
HET‐11 POS
HET‐11 POS
OT04I46POS
OT04I50POS
OTP Driver/Operator Error (Braking) ‐ RV struck by OTP on level crossings inside possession
OTP Driver/Operator Error (Signal Passed at Danger) ‐ RV struck by OTP on level crossings inside possession
OTP Driver/Operator Error (Speeding) ‐ RV struck by OTP on level crossings inside possession
Handsignaller Error ‐ RV struck by OTP on level crossings inside possession
Infrastructure Defect ‐ RV struck by OTP on level crossings inside possession
Defect on OTP ‐ RV struck by OTP on level crossings inside possession
OTP Driver/Operator Error (Propelling) ‐ RV struck by OTP on level crossings inside possession
Incorrect Management of IC Interface ‐ RV struck by OTP on level crossings inside possession
Possession Irregularity ‐ RV struck by OTP on level crossings inside possession
Signaller Error ‐ RV struck by OTP on level crossings inside possession
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
Non‐pass trn kms
6.51E‐11
5.59E‐11
1.04E‐11
4.65E‐12
2.58E‐12
1.73E‐12
2.15E‐13
4.19E‐13
OTP Hours
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
4.51E‐08
0.0114
0.0053
0.0045
8.42E‐04
3.76E‐04
2.09E‐04
1.40E‐04
1.74E‐05
3.39E‐05
0.1361
0.1020
0.0027
0.0013
0.0011
2.01E‐04
8.97E‐05
4.99E‐05
3.35E‐05
4.15E‐06
5.36E‐08
0.0223
0.0168
0.67%
0.31%
0.27%
0.05%
0.02%
0.01%
0.01%
0.00%
0.00%
5.50%
4.13%
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
OTP Hours
9.02E‐09
0.0204
0.0034
0.83%
D
‐
OTP Hours
1.20E‐09
0.0027
4.47E‐04
0.11%
D
‐
OTP Hours
6.02E‐10
0.0014
2.23E‐04
0.06%
D
‐
OTP Hours
6.02E‐10
0.0014
2.23E‐04
0.06%
D
‐
OTP Hours
OTP Hours
OTP Hours
OTP Hours
6.02E‐10
6.02E‐10
6.02E‐10
6.02E‐10
0.0014
0.0014
0.0014
0.0014
2.23E‐04
2.23E‐04
2.23E‐04
2.23E‐04
0.06%
0.06%
0.06%
0.06%
D
D
D
D
‐
‐
‐
‐
OTP Hours
3.01E‐10
6.80E‐04
1.12E‐04
0.03%
D
‐
OTP Hours
3.01E‐10
6.80E‐04
1.12E‐04
0.03%
D
‐
OTP Hours
OTP Hours
3.01E‐10
3.01E‐10
6.80E‐04
6.80E‐04
1.12E‐04
1.12E‐04
0.03%
0.03%
D
D
‐
‐
D
E
E
E
E
E
E
E
36
Table B
Hazardous Event Precursor code
Number
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
Cause precursor description
Derailment of passenger trains
RLNS‐‐‐‐UF
Running into landslip leading to train derailment ‐ from cutting
XDSC‐‐‐‐PF
Defective S&C leading to PT derailment
XSGM‐‐‐‐PH
Signaller/ crossing keeper error leading to PT derailment
BFLL‐‐‐‐UE
Running into items that have fallen onto the line leading to train derailment
BTRE‐‐‐‐UE
Running into trees leading to train derailment
TBCK‐‐‐‐PF
Track buckle leading to PT derailment
XPRD‐‐‐‐PH
Track maintenance staff errors leading to PT derailment
VBND‐‐‐‐UE
Running into vehicles through boundary fence leading to train derailment
TBKR‐‐‐‐PF
Broken rail leading to PT derailment
RBSHCOL‐UE
Rail bridge collapse ‐ bridge bashing leading to train derailment
PTRA‐‐‐‐PF
Running into objects fallen from trains leading to PT derailment
TTWS‐‐‐‐PF
Track twist leading to PT derailment
TFSH‐‐‐‐PF
Broken fishplate leading to PT derailment
YMSC‐‐‐‐PE
Miscellaneous/ unknown causes on plain line leading to PT derailment
PCRW‐‐‐‐PH
Other driver/train crew error at S&C leading to PT derailment
XPOS‐‐‐‐PF
Points in the wrong position and not detected leading to PT derailment
RBGS‐‐‐‐UF
Rail bridge structural failure leading to train derailment
AANM‐‐‐‐UE
Running into large animals leading to train derailment
BBLN‐‐‐‐UE
Running into items blown onto the line leading to train derailment
BVAN‐‐‐‐UE
Running into items placed on the track by vandals leading to train derailment
TTUNBKR‐PF
Broken rail in tunnel leading to PT derailment
PWHL‐‐‐‐PF
Wheel failure leading to PT Derailment
PAXB‐‐‐‐PF
Seized axle box bearing leading to PT derailment
RSCR‐‐‐‐UE
Structural collapse due to scour and water action leading to derailment (includes sea walls)
XSCM‐‐‐‐PF
Movement of points under train (equipment faults) leading to PT derailment
XSCO‐‐‐‐PH
Incorrect scotch and clip of points leading to PT derailment
SWRG‐‐‐‐PF
Wrongside signal failure at S&C leading to PT derailment
VBGV‐‐‐‐UE
Running into vehicles fallen from overbridge leading to train derailment
PSPD‐‐‐‐PH
SPAD at S&C leading to PT derailment
POSL‐‐‐‐PH
Overspeeding leading to PT derailment
TSPG‐‐‐‐PF
Gauge spread (assumed always slow speed) leading to PT derailment
PAXL‐‐‐‐PF
Axle failure leading to PT derailment
PBUF‐‐‐‐PF
Buffer locking leading to PT derailment
PSUS‐‐‐‐PF
Suspension system/bogie failures leading to PT derailment
PSHN‐‐‐‐PH
Shunter errors leading to PT derailment
MMAT‐‐‐‐UE
Running into Engineers materials left foul leading to train derailment
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
2.19E‐09
1.47E‐09
1.10E‐09
9.37E‐10
9.37E‐10
6.98E‐10
6.98E‐10
3.12E‐10
5.60E‐10
1.55E‐11
3.68E‐10
3.68E‐10
3.49E‐10
3.36E‐10
3.49E‐10
3.49E‐10
1.16E‐11
3.12E‐10
3.12E‐10
3.12E‐10
5.39E‐11
2.36E‐10
2.24E‐10
7.74E‐12
2.24E‐10
2.24E‐10
2.00E‐10
1.00E‐10
1.52E‐10
7.22E‐11
7.36E‐10
1.12E‐10
1.12E‐10
1.12E‐10
1.18E‐10
1.00E‐10
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
7.004
0.9903
0.6667
0.5000
0.4244
0.4244
0.3160
0.3160
0.1415
0.2535
0.0070
0.1667
0.1667
0.1580
0.1521
0.1580
0.1580
0.0053
0.1415
0.1415
0.1415
0.0244
0.1070
0.1014
0.0035
0.1014
0.1014
0.0908
0.0454
0.0687
0.0327
0.3333
0.0507
0.0507
0.0507
0.0535
0.0454
1.977
0.2597
0.1749
0.1311
0.1113
0.1113
0.0829
0.0829
0.0726
0.0665
0.0539
0.0469
0.0469
0.0445
0.0428
0.0414
0.0414
0.0404
0.0371
0.0371
0.0371
0.0313
0.0301
0.0286
0.0269
0.0266
0.0266
0.0238
0.0233
0.0180
0.0164
0.0147
0.0143
0.0143
0.0143
0.0140
0.0119
100.00%
13.14%
8.84%
6.63%
5.63%
5.63%
4.19%
4.19%
3.67%
3.36%
2.72%
2.37%
2.37%
2.25%
2.17%
2.10%
2.10%
2.04%
1.88%
1.88%
1.88%
1.58%
1.52%
1.44%
1.36%
1.35%
1.35%
1.20%
1.18%
0.91%
0.83%
0.74%
0.72%
0.72%
0.72%
0.71%
0.60%
D
D
D
D
D
D
D
D
D
E
D
D
D
D
D
D
E
D
D
D
D
D
D
E
D
D
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
37
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
WSNO‐‐‐‐UE
RTUNWALLUF
PWHF‐‐‐‐PF
RBGD‐‐‐‐UF
RSLP‐‐‐‐PF
RDRN‐‐‐‐UF
RWAL‐‐‐‐UF
RBSH‐‐‐‐UE
TTKD‐‐‐‐UE
PCUP‐‐‐‐PF
PCATDR‐‐PH
Running into snow/ice leading to train derailment
Running into debris in the tunnel leading to train derailment
Wheel flats or wheel/tyre wear beyond limits leading to PT derailment
Running into to debris from overbridges leading to train derailment
Subsidence/ landslip under track leading to train derailment – on embankment
Drainage culvert/pipework collapse leading to train derailment
Running into debris from retaining walls leading to train derailment
Bridge bashing leading to bridge displacement (not collapse) and train derailment
Track damage from other undetected derailment leading to train derailment
Coupling failure leading to PT derailment
Cat D SPAD or runaway leading to PT derailment
Running into debris from lineside structures/buildings, including used and unused stations and platforms leading to train derailment.
Running into debris from signalling gantries leading to train derailment
Running into train derailed while in depots/sidings leading to train derailment
Running into maintenance vehicles leading to train derailment
Running into debris from OHLE structures leading to train derailment
Severe braking/snatch leading to PT derailment
Running into objects from building site leading to train derailment
High winds leading to train derailment
Structural damage due to earthquake leading to train derailment
Running into flooding leading to train derailment
HET‐12
RBLD‐‐‐‐UF
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
HET‐12
RSIG‐‐‐‐UF
UTRN‐‐‐‐UE
VMVE‐‐‐‐UE
ROHL‐‐‐‐UF
PSNT‐‐‐‐PF
BBLD‐‐‐‐UE
WWIN‐‐‐‐UE
RQAK‐‐‐‐UE
WFLD‐‐‐‐UE
HET‐13
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
Derailment of non‐passenger train
Derailment of freight trains on passenger lines outside possession
YMSC‐‐‐‐FE
Miscellaneous/ unknown causes on plain line leading to FT derailment on Pass. lines
FMSC‐‐‐‐FF
Miscellaneous mechanical faults leading to FT derailment on Pass. lines
XSGM‐‐‐‐FH
Signaller/ crossing keeper error leading to FT derailment on Pass. Lines
FAXL‐‐‐‐FF
Axle failure leading to FT derailment on Pass. lines
FCRW‐‐‐‐FH
Other driver/train crew error at S&C leading to FT derailment on Pass. lines
FCATDR‐‐FH
Cat D SPAD or runaway leading to FT derailment on pass. lines
FSPD‐‐‐‐FH
Signal passed at danger at S&C leading to FT derailment on Pass. lines
TMSC‐‐‐‐FF
Misc. track faults leading to FT derailment on Pass. lines
XDSC‐‐‐‐FF
Defective S&C leading to FT derailment on Pass. lines
TSPG‐‐‐‐FF
Gauge spread leading to FT derailment on Pass. lines
FSNT‐‐‐‐FF
Severe braking/Snatch leading to FT derailment on Pass. lines
Version 6.1 – June 2009
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
National frequency (events/ normaliser)
1.00E‐10
1.66E‐11
7.36E‐11
6.83E‐11
5.81E‐11
4.65E‐11
4.65E‐11
4.47E‐11
3.75E‐11
2.09E‐11
1.23E‐10
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Normaliser
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0454
0.0075
0.0333
0.0309
0.0263
0.0210
0.0210
0.0202
0.0170
0.0095
0.0556
0.0119
0.0096
0.0094
0.0081
0.0069
0.0055
0.0055
0.0053
0.0048
0.0027
0.0024
0.60%
0.49%
0.47%
0.41%
0.35%
0.28%
0.28%
0.27%
0.24%
0.14%
0.12%
D
E
E
E
D
E
E
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
1.29E‐11
0.0058
0.0015
0.08%
E
‐
1.06E‐11
9.37E‐12
9.37E‐12
6.45E‐12
5.29E‐12
3.75E‐12
9.37E‐13
1.87E‐13
9.37E‐14
0.0048
0.0042
0.0042
0.0029
0.0024
0.0017
4.24E‐04
8.49E‐05
4.24E‐05
0.0013
0.0011
0.0011
7.66E‐04
6.75E‐04
4.45E‐04
1.11E‐04
2.39E‐05
1.20E‐05
0.06%
0.06%
0.06%
0.04%
0.03%
0.02%
0.01%
0.00%
0.00%
E
E
E
E
E
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
2.23E‐08
2.09E‐08
1.91E‐08
1.34E‐08
1.19E‐08
1.28E‐08
1.05E‐08
9.57E‐09
9.57E‐09
6.54E‐09
6.38E‐09
60.71
11.72
1.167
1.091
1.000
0.7002
0.6235
0.6667
0.5493
0.5000
0.5000
0.3419
0.3333
0.5480
0.3123
0.0299
0.0280
0.0252
0.0180
0.0157
0.0157
0.0138
0.0128
0.0126
0.0088
0.0086
100.00%
56.99%
5.46%
5.11%
4.59%
3.28%
2.86%
2.86%
2.52%
2.34%
2.30%
1.60%
1.56%
D
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
38
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
Miscellaneous/unknown causes on S&C leading to FT derailment on Pass. lines
Track maintenance staff errors leading to FT derailment on Pass. lines
Broken rail in tunnel leading to FT derailment on Pass. lines
Shunter errors leading to FT derailment on Pass. lines
Suspension system/bogie failures leading to FT derailment on Pass. lines
Track twist leading to FT derailment on Pass. lines
Running into objects fallen from trains leading to FT derailment on Pass. lines
Running into vehicles through boundary fence leading to train derailment
Buffer locking leading to FT derailment on Pass. lines
Marshalling of train leading to FT derailment on Pass. lines
Cyclic top leading to FT derailment on Pass. lines
Track buckle leading to FT derailment on Pass. Lines
Movement of points under train (equipment faults) leading to FT derailment on Pass. lines
Uneven loading leading to FT derailment on Pass. lines
Incorrect scotch and clip of points leading to FT derailment on Pass. lines
Running into landslip leading to train derailment ‐ from cutting
Wheel flats or wheel/tyre wear beyond limits leading to FT derailment on Pass. lines
Rail bridge collapse ‐ bridge bashing leading to train derailment
Seized axle box bearing leading to FT derailment on Pass. lines
Wheel failure leading to FT derailment on Pass. lines
Broken fishplate leading to FT derailment on Pass. lines
Broken rail leading to FT derailment on Pass. lines
Rail bridge structural failure leading to train derailment
Overspeeding leading to FT derailment on Pass. lines
Running into vehicles fallen from overbridge leading to train derailment
Points in the wrong position and not detected leading to FT derailment on Pass. lines
Structural collapse due to scour and water action leading to derailment (includes sea walls)
Coupling failure leading to FT derailment on Pass. lines
Twisted underframe leading to FT derailment on Pass. lines
Running into items that have fallen onto the line leading to train derailment
Running into trees leading to train derailment
Running into large animals leading to train derailment
Running into items blown onto the line leading to train derailment
Running into items placed on the track by vandals leading to train derailment
Other vandalism leading to FT derailment on Pass. lines
Subsidence/ landslip under track leading to FT derailment on Pass. lines
XMISC‐‐‐FF
XPRD‐‐‐‐FH
TTUNBKR‐FF
FSHN‐‐‐‐FH
FSUS‐‐‐‐FF
TTWS‐‐‐‐FF
FTRA‐‐‐‐FF
VBND‐‐‐‐UE
FBUF‐‐‐‐FF
FMARS‐‐‐FH
TCYCLIC‐FF
TBCK‐‐‐‐FF
XSCM‐‐‐‐FF
FLOAD‐‐‐FH
XSCO‐‐‐‐FH
RLNS‐‐‐‐UF
FWHF‐‐‐‐FF
RBSHCOL‐UE
FAXB‐‐‐‐FF
FWHL‐‐‐‐FF
TFSH‐‐‐‐FF
TBKR‐‐‐‐FF
RBGS‐‐‐‐UF
FOSL‐‐‐‐FH
VBGV‐‐‐‐UE
XFOS‐‐‐‐FF
RSCR‐‐‐‐UE
FCUP‐‐‐‐FF
FUNDER‐‐FF
BFLL‐‐‐‐UE
BTRE‐‐‐‐UE
AANM‐‐‐‐UE
BBLN‐‐‐‐UE
BVAN‐‐‐‐UE
FVAND‐‐‐FF
RSLP‐‐‐‐FF
Version 6.1 – June 2009
Normaliser
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
National frequency (events/ normaliser)
6.38E‐09
6.38E‐09
3.07E‐09
6.14E‐09
5.97E‐09
5.71E‐09
5.12E‐09
3.12E‐10
3.19E‐09
3.19E‐09
3.19E‐09
3.19E‐09
3.07E‐09
2.98E‐09
2.98E‐09
2.19E‐09
2.05E‐09
1.55E‐11
1.91E‐09
1.91E‐09
1.91E‐09
1.91E‐09
1.16E‐11
1.25E‐09
1.00E‐10
1.02E‐09
7.74E‐12
9.57E‐10
9.57E‐10
9.37E‐10
9.37E‐10
3.12E‐10
3.12E‐10
3.12E‐10
3.03E‐10
3.01E‐10
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.3333
0.3333
0.1604
0.3209
0.3117
0.2983
0.2674
0.0163
0.1667
0.1667
0.1667
0.1667
0.1604
0.1559
0.1559
0.1143
0.1070
8.09E‐04
0.1000
0.1000
0.1000
0.1000
6.07E‐04
0.0654
0.0052
0.0535
4.05E‐04
0.0500
0.0500
0.0490
0.0490
0.0163
0.0163
0.0163
0.0158
0.0157
0.0084
0.0084
0.0082
0.0081
0.0080
0.0077
0.0069
0.0044
0.0043
0.0043
0.0043
0.0042
0.0040
0.0040
0.0039
0.0029
0.0027
0.0027
0.0026
0.0026
0.0026
0.0025
0.0020
0.0018
0.0014
0.0013
0.0013
0.0013
0.0013
0.0012
0.0012
4.11E‐04
4.11E‐04
4.11E‐04
3.98E‐04
3.95E‐04
1.53%
1.53%
1.50%
1.47%
1.46%
1.40%
1.25%
0.80%
0.78%
0.78%
0.78%
0.77%
0.74%
0.73%
0.72%
0.52%
0.50%
0.48%
0.47%
0.47%
0.47%
0.46%
0.36%
0.32%
0.26%
0.25%
0.24%
0.23%
0.23%
0.22%
0.22%
0.07%
0.07%
0.07%
0.07%
0.07%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
E
D
D
D
D
E
D
D
D
E
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
39
Table B
Hazardous Event Precursor code
Number
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTP
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
Cause precursor description
SWRG‐‐‐‐FF
MMAT‐‐‐‐UE
WSNO‐‐‐‐UE
RBGD‐‐‐‐UF
RDRN‐‐‐‐UF
RWAL‐‐‐‐UF
RBSH‐‐‐‐UE
TTKD‐‐‐‐UE
RTUNWALLUF
Wrongside signal failure at S&C leading to FT derailment on Pass. lines
Running into Engineers materials left foul leading to train derailment
Running into snow/ice leading to train derailment
Running into to debris from overbridges leading to train derailment
Drainage culvert/pipework collapse leading to train derailment
Running into debris from retaining walls leading to train derailment
Bridge bashing leading to bridge displacement (not collapse) and train derailment
Track damage from other undetected derailment leading to train derailment
Running into debris in the tunnel leading to train derailment
Running into debris from lineside structures/buildings, including used and unused stations RBLD‐‐‐‐UF
and platforms leading to train derailment.
RSIG‐‐‐‐UF
Running into debris from signalling gantries leading to train derailment
UTRN‐‐‐‐UE
Running into train derailed while in depots/sidings leading to train derailment
VMVE‐‐‐‐UE
Running into maintenance vehicles leading to train derailment
ROHL‐‐‐‐UF
Running into debris from OHLE structures leading to train derailment
BBLD‐‐‐‐UE
Running into objects from building site leading to train derailment
WWIN‐‐‐‐UE
High winds leading to train derailment
RQAK‐‐‐‐UE
Structural damage due to earthquake leading to train derailment
WFLD‐‐‐‐UE
Running into flooding leading to train derailment
Derailment of freight trains on freight only lines outside possession
TSPG‐‐‐‐NF
Gauge spread leading to FT derailment on freight only lines
TTWS‐‐‐‐NF
Track twist leading to FT derailment on freight only lines
FCATDR‐‐NH
Cat D SPAD or runaway leading to FT derailment on freight only lines
XDSC‐‐‐‐NF
Defective S&C leading to FT derailment on freight only lines
FSHN‐‐‐‐NH
Shunter errors leading to FT derailment on freight only lines
XMISC‐‐‐NF
Miscellaneous/unknown causes on S&C leading to FT derailment on freight only lines
XSGM‐‐‐‐NH
Signaller/ crossing keeper error leading to FT derailment on freight only lines
TCYCLIC‐NF
Cyclic top leading to FT derailment on freight only lines
TTUNBKR‐NF
Broken rail in tunnel leading to FT derailment on freight only lines
FWHF‐‐‐‐NF
Wheel flats or wheel/tyre wear beyond limits leading to FT derailment on freight only lines
FMARS‐‐‐NH
Marshalling of train leading to FT derailment on freight only lines
FBUF‐‐‐‐NF
Buffer locking leading to FT derailment on freight only lines
FSNT‐‐‐‐NF
Severe braking/Snatch leading to FT derailment on freight only lines
TMSC‐‐‐‐NF
Misc. track faults leading to FT derailment on freight only lines
YMSC‐‐‐‐NE
Miscellaneous/ unknown causes on plain line leading to FT derailment on freight only lines
TBCK‐‐‐‐NF
Track buckle leading to FT derailment on freight only lines
Version 6.1 – June 2009
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
National frequency (events/ normaliser)
2.00E‐10
1.00E‐10
1.00E‐10
6.83E‐11
4.65E‐11
4.65E‐11
4.47E‐11
3.75E‐11
1.66E‐11
Frt tr km on ps lines
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0105
0.0052
0.0052
0.0036
0.0024
0.0024
0.0023
0.0020
8.67E‐04
2.64E‐04
1.32E‐04
1.32E‐04
8.98E‐05
6.11E‐05
6.11E‐05
5.87E‐05
5.03E‐05
4.43E‐05
0.05%
0.02%
0.02%
0.02%
0.01%
0.01%
0.01%
0.01%
0.01%
D
D
D
E
E
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
1.29E‐11
6.74E‐04
1.70E‐05
0.00%
E
‐
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
Frt tr km on ps lines
1.06E‐11
9.37E‐12
9.37E‐12
6.45E‐12
3.75E‐12
9.37E‐13
1.87E‐13
9.37E‐14
1.84E‐07
1.84E‐07
1.84E‐07
1.38E‐07
9.21E‐08
9.21E‐08
9.21E‐08
7.39E‐08
2.96E‐08
4.61E‐08
4.61E‐08
4.43E‐08
2.96E‐08
2.96E‐08
2.96E‐08
2.96E‐08
1.39E‐05
1.23E‐05
1.23E‐05
8.48E‐06
4.93E‐06
1.23E‐06
2.51E‐07
1.26E‐07
0.0668
0.0080
0.0080
0.0072
0.0059
0.0039
0.0039
0.0039
0.0032
0.0030
0.0020
0.0020
0.0019
0.0013
0.0013
0.0013
0.0013
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
12.20%
1.46%
1.46%
1.31%
1.07%
0.71%
0.71%
0.71%
0.59%
0.55%
0.37%
0.37%
0.35%
0.23%
0.23%
0.23%
0.23%
E
E
E
E
E
E
E
E
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
5.52E‐04
4.90E‐04
4.90E‐04
3.37E‐04
1.96E‐04
4.90E‐05
9.79E‐06
4.90E‐06
5.454
0.6667
0.6667
0.6667
0.5000
0.3333
0.3333
0.3333
0.2674
0.1070
0.1667
0.1667
0.1604
0.1070
0.1070
0.1070
0.1070
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
40
Table B
Hazardous Event Precursor code
Number
HET‐13 FTF
XPRD‐‐‐‐NH
HET‐13 FTF
XSCM‐‐‐‐NF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
FOSL‐‐‐‐NH
FSPD‐‐‐‐NH
FTRA‐‐‐‐NF
XFOS‐‐‐‐NF
FAXL‐‐‐‐NF
FCRW‐‐‐‐NH
FMSC‐‐‐‐NF
VBND‐‐‐‐UE
TBKR‐‐‐‐NF
RBSHCOL‐UE
RBGS‐‐‐‐UF
VBGV‐‐‐‐UE
RLNS‐‐‐‐UF
RSCR‐‐‐‐UE
FAXB‐‐‐‐NF
FSUS‐‐‐‐NF
FWHL‐‐‐‐NF
TFSH‐‐‐‐NF
FUNDER‐‐NF
FCUP‐‐‐‐NF
FLOAD‐‐‐NH
XSCO‐‐‐‐NH
BFLL‐‐‐‐UE
BTRE‐‐‐‐UE
FVAND‐‐‐NF
AANM‐‐‐‐UE
BBLN‐‐‐‐UE
BVAN‐‐‐‐UE
RSLP‐‐‐‐NF
SWRG‐‐‐‐NF
MMAT‐‐‐‐UE
WSNO‐‐‐‐UE
RBGD‐‐‐‐UF
Cause precursor description
Track maintenance staff errors leading to FT derailment on freight only lines
Movement of points under train (equipment faults) leading to FT derailment on freight only lines
Overspeeding leading to FT derailment on freight only lines
Signal passed at danger at S&C leading to FT derailment on freight only lines
Running into objects fallen from trains leading to FT derailment on freight only lines
Points in the wrong position and not detected leading to FT derailment on freight only lines
Axle failure leading to FT derailment on freight only lines
Other driver/train crew error at S&C leading to FT derailment on freight only lines
Miscellaneous mechanical faults leading to FT derailment on freight only lines
Running into vehicles through boundary fence leading to train derailment
Broken rail leading to FT derailment on freight only lines
Rail bridge collapse ‐ bridge bashing leading to train derailment
Rail bridge structural failure leading to train derailment
Running into vehicles fallen from overbridge leading to train derailment
Running into landslip leading to train derailment ‐ from cutting
Structural collapse due to scour and water action leading to derailment (includes sea walls)
Seized axle box bearing leading to FT derailment on freight only lines
Suspension system/bogie failures leading to FT derailment on freight only lines
Wheel failure leading to FT derailment on freight only lines
Broken fishplate leading to FT derailment on freight only lines
Twisted underframe leading to FT derailment on freight only lines
Coupling failure leading to FT derailment on freight only lines
Uneven loading leading to FT derailment on freight only lines
Incorrect scotch and clip of points leading to FT derailment on freight only lines
Running into items that have fallen onto the line leading to train derailment
Running into trees leading to train derailment
Other vandalism leading to FT derailment on freight only lines
Running into large animals leading to train derailment
Running into items blown onto the line leading to train derailment
Running into items placed on the track by vandals leading to train derailment
Subsidence/ landslip under track leading to FT derailment on freight only lines
Wrongside signal failure at S&C leading to FT derailment on freight only lines
Running into Engineers materials left foul leading to train derailment
Running into snow/ice leading to train derailment
Running into to debris from overbridges leading to train derailment
Version 6.1 – June 2009
Frt tr km on frt lines
National frequency (events/ normaliser)
2.96E‐08
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.1070
0.0013
0.23%
D
‐
2.96E‐08
0.1070
0.0013
0.23%
D
‐
1.81E‐08
1.90E‐08
1.48E‐08
1.48E‐08
1.34E‐08
1.19E‐08
6.70E‐09
3.12E‐10
5.97E‐09
1.55E‐11
1.16E‐11
1.00E‐10
2.19E‐09
7.74E‐12
1.91E‐09
1.91E‐09
1.91E‐09
1.91E‐09
9.57E‐10
9.57E‐10
9.57E‐10
9.57E‐10
9.37E‐10
9.37E‐10
3.33E‐10
3.12E‐10
3.12E‐10
3.12E‐10
3.01E‐10
2.00E‐10
1.00E‐10
1.00E‐10
6.83E‐11
0.0654
0.0687
0.0535
0.0535
0.0485
0.0432
0.0242
0.0011
0.0216
5.60E‐05
4.20E‐05
3.63E‐04
0.0079
2.80E‐05
0.0069
0.0069
0.0069
0.0069
0.0035
0.0035
0.0035
0.0035
0.0034
0.0034
0.0012
0.0011
0.0011
0.0011
0.0011
7.25E‐04
3.63E‐04
3.63E‐04
2.47E‐04
9.45E‐04
8.05E‐04
6.43E‐04
6.27E‐04
5.83E‐04
5.06E‐04
2.92E‐04
2.89E‐04
2.53E‐04
1.84E‐04
1.38E‐04
9.26E‐05
9.26E‐05
9.18E‐05
8.32E‐05
8.32E‐05
8.32E‐05
8.32E‐05
4.15E‐05
4.15E‐05
4.15E‐05
4.04E‐05
3.96E‐05
3.96E‐05
1.41E‐05
1.32E‐05
1.32E‐05
1.32E‐05
1.27E‐05
8.45E‐06
4.22E‐06
4.22E‐06
2.87E‐06
0.17%
0.15%
0.12%
0.11%
0.11%
0.09%
0.05%
0.05%
0.05%
0.03%
0.03%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
D
D
D
D
D
D
D
D
D
E
E
D
D
E
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
41
Table B
Hazardous Event Precursor code
Number
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 FTF
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
Cause precursor description
RWAL‐‐‐‐UF
RDRN‐‐‐‐UF
RBSH‐‐‐‐UE
RTUNWALLUF
TTKD‐‐‐‐UE
Running into debris from retaining walls leading to train derailment
Drainage culvert/pipework collapse leading to train derailment
Bridge bashing leading to bridge displacement (not collapse) and train derailment
Running into debris in the tunnel leading to train derailment
Track damage from other undetected derailment leading to train derailment
Running into debris from lineside structures/buildings, including used and unused stations RBLD‐‐‐‐UF
and platforms leading to train derailment.
RSIG‐‐‐‐UF
Running into debris from signalling gantries leading to train derailment
UTRN‐‐‐‐UE
Running into train derailed while in depots/sidings leading to train derailment
VMVE‐‐‐‐UE
Running into maintenance vehicles leading to train derailment
ROHL‐‐‐‐UF
Running into debris from OHLE structures leading to train derailment
BBLD‐‐‐‐UE
Running into objects from building site leading to train derailment
WWIN‐‐‐‐UE
High winds leading to train derailment
RQAK‐‐‐‐UE
Structural damage due to earthquake leading to train derailment
WFLD‐‐‐‐UE
Running into flooding leading to train derailment
Derailment of ECS&Parcels trains on passenger lines
XSGM‐‐‐‐CH
Signaller/ crossing keeper error leading to ECS or PCLS derailment
TSPG‐‐‐‐CF
Gauge spread leading to ECS or PCLS derailment
FSPD‐‐‐‐CH
Signal passed at danger at S&C leading to ECS or PCLS derailment
XMISC‐‐‐CF
Miscellaneous/unknown causes on S&C leading to ECS or PCLS derailment
XDSC‐‐‐‐CF
Defective S&C leading to ECS or PCLS derailment
FSHN‐‐‐‐CH
Shunter errors leading to ECS or PCLS derailment
VBND‐‐‐‐UE
Running into vehicles through boundary fence leading to train derailment
FTRA‐‐‐‐CF
Running into objects fallen from trains leading to ECS or PCLS derailment
RBSHCOL‐UE
Rail bridge collapse ‐ bridge bashing leading to train derailment
FCATDR‐‐CH
Cat D SPAD or runaway leading to ECS or PCLS derailment
RBGS‐‐‐‐UF
Rail bridge structural failure leading to train derailment
FOSL‐‐‐‐CH
Overspeeding leading to ECS or PCLS derailment
TTWS‐‐‐‐CF
Track twist leading to ECS or PCLS derailment
FMARS‐‐‐CH
Marshalling of train leading to ECS or PCLS derailment
FWHF‐‐‐‐CF
Wheel flats or wheel/tyre wear beyond limits leading to ECS or PCLS derailment
FWHL‐‐‐‐CF
Wheel failure leading to ECS or PCLS derailment
RLNS‐‐‐‐UF
Running into landslip leading to train derailment ‐ from cutting
VBGV‐‐‐‐UE
Running into vehicles fallen from overbridge leading to train derailment
RSCR‐‐‐‐UE
Structural collapse due to scour and water action leading to derailment (includes sea walls)
TTUNBKR‐CF
Broken rail in tunnel leading to ECS or PCLS derailment
Version 6.1 – June 2009
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
National frequency (events/ normaliser)
4.65E‐11
4.65E‐11
4.47E‐11
1.66E‐11
3.75E‐11
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
Frt tr km on frt lines
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
2.02E‐08
1.34E‐08
1.38E‐08
1.34E‐08
6.72E‐09
6.47E‐09
3.12E‐10
4.31E‐09
1.55E‐11
4.31E‐09
1.16E‐11
1.32E‐09
2.16E‐09
2.16E‐09
2.16E‐09
2.16E‐09
2.19E‐09
1.00E‐10
7.74E‐12
3.36E‐10
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
1.68E‐04
1.68E‐04
1.62E‐04
6.00E‐05
1.36E‐04
1.95E‐06
1.95E‐06
1.88E‐06
1.68E‐06
1.62E‐06
0.00%
0.00%
0.00%
0.00%
0.00%
E
E
E
E
E
1.29E‐11
4.67E‐05
5.43E‐07
0.00%
E
‐
1.06E‐11
9.37E‐12
9.37E‐12
6.45E‐12
3.75E‐12
9.37E‐13
1.87E‐13
9.37E‐14
3.82E‐05
3.39E‐05
3.39E‐05
2.33E‐05
1.36E‐05
3.39E‐06
6.78E‐07
3.39E‐07
2.599
0.5065
0.3377
0.3478
0.3377
0.1688
0.1625
0.0079
0.1083
3.89E‐04
0.1083
2.92E‐04
0.0331
0.0542
0.0542
0.0542
0.0542
0.0550
0.0025
1.95E‐04
0.0084
4.44E‐07
3.94E‐07
3.94E‐07
2.71E‐07
1.58E‐07
3.94E‐08
8.09E‐09
4.05E‐09
0.0385
0.0063
0.0044
0.0043
0.0042
0.0021
0.0020
0.0020
0.0014
0.0012
0.0011
8.76E‐04
7.43E‐04
7.14E‐04
7.14E‐04
7.14E‐04
7.14E‐04
6.86E‐04
6.34E‐04
5.84E‐04
4.13E‐04
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
7.02%
1.15%
0.81%
0.79%
0.77%
0.38%
0.37%
0.36%
0.26%
0.21%
0.20%
0.16%
0.14%
0.13%
0.13%
0.13%
0.13%
0.13%
0.12%
0.11%
0.08%
E
E
E
E
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
D
D
D
D
D
D
D
E
D
E
D
D
D
D
D
D
D
E
D
‐
‐
‐
‐
‐
42
Table B
Hazardous Event Precursor code
Number
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
BFLL‐‐‐‐UE
BTRE‐‐‐‐UE
TMSC‐‐‐‐CF
TBKR‐‐‐‐CF
FMSC‐‐‐‐CF
YMSC‐‐‐‐CE
FVAND‐‐‐CF
AANM‐‐‐‐UE
BBLN‐‐‐‐UE
BVAN‐‐‐‐UE
RSLP‐‐‐‐CF
FAXB‐‐‐‐CF
TBCK‐‐‐‐CF
XPRD‐‐‐‐CH
XSCO‐‐‐‐CH
SWRG‐‐‐‐CF
FAXL‐‐‐‐CF
FBUF‐‐‐‐CF
FSUS‐‐‐‐CF
TFSH‐‐‐‐CF
FCRW‐‐‐‐CH
XFOS‐‐‐‐CF
XSCM‐‐‐‐CF
MMAT‐‐‐‐UE
WSNO‐‐‐‐UE
RBGD‐‐‐‐UF
RTUNWALLUF
RDRN‐‐‐‐UF
RWAL‐‐‐‐UF
RBSH‐‐‐‐UE
TTKD‐‐‐‐UE
FCUP‐‐‐‐CF
HET‐13 EP
RBLD‐‐‐‐UF
HET‐13 EP
HET‐13 EP
RSIG‐‐‐‐UF
UTRN‐‐‐‐UE
Cause precursor description
Running into items that have fallen onto the line leading to train derailment
Running into trees leading to train derailment
Misc. track faults leading to ECS or PCLS derailment
Broken rail leading to ECS or PCLS derailment
Miscellaneous mechanical faults leading to ECS or PCLS derailment
Miscellaneous/ unknown causes on plain line leading to ECS or PCLS derailment
Other vandalism leading to ECS or PCLS derailment
Running into large animals leading to train derailment
Running into items blown onto the line leading to train derailment
Running into items placed on the track by vandals leading to train derailment
Subsidence/ landslip under track leading to ECS or PCLS derailment
Seized axle box bearing leading to ECS or PCLS derailment
Track buckle leading to ECS or PCLS derailment
Track maintenance staff errors leading to ECS or PCLS derailment
Incorrect scotch and clip of points leading to ECS or PCLS derailment
Wrongside signal failure at S&C leading to ECS or PCLS derailment
Axle failure leading to ECS or PCLS derailment
Buffer locking leading to ECS or PCLS derailment
Suspension system/bogie failures leading to ECS or PCLS derailment
Broken fishplate leading to ECS or PCLS derailment
Other driver/train crew error at S&C leading to ECS or PCLS derailment
Points in the wrong position and not detected leading to ECS or PCLS derailment
Movement of points under train (equipment faults) leading to ECS or PCLS derailment
Running into Engineers materials left foul leading to train derailment
Running into snow/ice leading to train derailment
Running into to debris from overbridges leading to train derailment
Running into debris in the tunnel leading to train derailment
Drainage culvert/pipework collapse leading to train derailment
Running into debris from retaining walls leading to train derailment
Bridge bashing leading to bridge displacement (not collapse) and train derailment
Track damage from other undetected derailment leading to train derailment
Coupling failure leading to ECS or PCLS derailment
Running into debris from lineside structures/buildings, including used and unused stations and platforms leading to train derailment.
Running into debris from signalling gantries leading to train derailment
Running into train derailed while in depots/sidings leading to train derailment
Version 6.1 – June 2009
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
National frequency (events/ normaliser)
9.37E‐10
9.37E‐10
5.60E‐10
5.60E‐10
5.23E‐10
3.36E‐10
3.36E‐10
3.12E‐10
3.12E‐10
3.12E‐10
3.01E‐10
2.24E‐10
2.24E‐10
2.24E‐10
2.24E‐10
2.00E‐10
1.12E‐10
1.12E‐10
1.12E‐10
1.12E‐10
1.12E‐10
1.12E‐10
1.12E‐10
1.00E‐10
1.00E‐10
6.83E‐11
1.66E‐11
4.65E‐11
4.65E‐11
4.47E‐11
3.75E‐11
2.09E‐11
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0236
0.0236
0.0141
0.0141
0.0132
0.0084
0.0084
0.0079
0.0079
0.0079
0.0076
0.0056
0.0056
0.0056
0.0056
0.0050
0.0028
0.0028
0.0028
0.0028
0.0028
0.0028
0.0028
0.0025
0.0025
0.0017
4.17E‐04
0.0012
0.0012
0.0011
9.42E‐04
5.26E‐04
2.94E‐04
2.94E‐04
1.85E‐04
1.76E‐04
1.73E‐04
1.11E‐04
1.05E‐04
9.80E‐05
9.80E‐05
9.80E‐05
9.44E‐05
7.41E‐05
7.03E‐05
7.03E‐05
7.03E‐05
6.29E‐05
3.71E‐05
3.71E‐05
3.71E‐05
3.71E‐05
3.51E‐05
3.51E‐05
3.51E‐05
3.15E‐05
3.15E‐05
2.14E‐05
2.04E‐05
1.46E‐05
1.46E‐05
1.40E‐05
1.24E‐05
6.93E‐06
0.05%
0.05%
0.03%
0.03%
0.03%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
E
E
E
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
1.29E‐11
3.24E‐04
4.05E‐06
0.00%
E
‐
1.06E‐11
9.37E‐12
2.65E‐04
2.36E‐04
3.31E‐06
2.94E‐06
0.00%
0.00%
E
E
‐
‐
43
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 EP
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
HET‐13 POS
VMVE‐‐‐‐UE
Running into maintenance vehicles leading to train derailment
ROHL‐‐‐‐UF
Running into debris from OHLE structures leading to train derailment
FSNT‐‐‐‐CF
Severe braking/Snatch leading to ECS or PCLS derailment
BBLD‐‐‐‐UE
Running into objects from building site leading to train derailment
WWIN‐‐‐‐UE
High winds leading to train derailment
RQAK‐‐‐‐UE
Structural damage due to earthquake leading to train derailment
WFLD‐‐‐‐UE
Running into flooding leading to train derailment
Derailment of trains inside possession (including OTP)
ORSSOW‐‐‐H
Unsafe System of Work employed by workers leading to rollover ‐ Inside possession
ODINFDEF‐F
Infrastructure defect leading to derailment ‐ Inside possession
ODSSOW‐‐‐H
Unsafe System of Work employed by workers leading to derailment ‐ Inside possession
ORDRVAT‐‐H
Driver/operator error ‐ Inattention leading to rollover ‐ Inside Possession
ODVHDEF‐‐F
Vehicle defect leading to derailment ‐ Inside Possession
ODDRVAT‐‐H
Driver/operator error ‐ Inattention leading to derailment ‐ Inside Possession
ODPCERR‐‐H
Points controller error leading to derailment ‐ Inside possession
ODCOLOBJ‐H
Collision with obstruction on/near line leading to derailment ‐ Inside Possession
ODSIGERR‐H
Signaller error leading to derailment ‐ Inside possession
ODIMINT‐‐H
Incorrect management of IC interface leading to derailment ‐ Inside Possession
ORIMINT‐‐H
Incorrect management of IC interface leading to rollover ‐ Inside Possession
ORINFDEF‐F
Infrastructure defect leading to rollover ‐ Inside possession
ORVHDEF‐‐F
Vehicle defect leading to rollover ‐ Inside Possession
ODDRVBRK‐H
Driver/operator error ‐ Braking leading to derailment ‐ Inside Possession
ODDRVSPADH
Driver/operator error ‐ Signal Passed at Danger leading to derailment ‐ Inside Possession
ODDRVSPEDH
Driver/operator error ‐ Speeding leading to derailment ‐ Inside Possession
HET‐17
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
Fire on passenger train (in station)
Fire on passenger train interior
PFIREIAVEH
PT EMU: fires inside PT due to arson/vandalism fires
PFIREIAVDH
PT DMU: fires inside PT due to arson/vandalism fires
PFIREIBCLF
PT ELOCO: fires inside PT buffet car fires
PFIREIBCHF
PT HST/DEMU: fires inside PT buffet car fires
PFIREIBCEF
PT EMU: fires inside PT buffet car fires
PFIREIELEF
PT EMU: fires inside PT due to electrical equipment
PFIREIHVEF
PT EMU: fires inside PT due to H&V equipment fault
PFIREICFEF
PT EMU: fires inside PT. Cab fires
PFIREIHEEH
PT EMU: fires inside PT due to human error /carelessness (includes crew and passenger)
PFIREIHVDF
PT DMU: fires inside PT due to H&V equipment faults
Version 6.1 – June 2009
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
ECS & PCLS trn km
National frequency (events/ normaliser)
9.37E‐12
6.45E‐12
5.05E‐12
3.75E‐12
9.37E‐13
1.87E‐13
9.37E‐14
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
Normaliser
Pass. EMU trn km
Pass. DMU trn km
Pass. el loco trn km
Pass. HST trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. DMU trn km
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
3.54E‐07
6.37E‐06
4.95E‐06
1.77E‐07
2.03E‐06
1.33E‐06
1.24E‐06
7.96E‐07
4.42E‐07
3.54E‐07
1.02E‐08
1.02E‐08
1.02E‐08
1.02E‐08
1.02E‐08
1.02E‐08
2.36E‐04
1.62E‐04
1.27E‐04
9.42E‐05
2.36E‐05
4.71E‐06
2.36E‐06
40.94
0.8000
14.40
11.20
0.4000
4.600
3.000
2.800
1.800
1.000
0.8000
0.0230
0.0230
0.0230
0.0230
0.0230
0.0230
2.94E‐06
2.02E‐06
1.67E‐06
1.18E‐06
2.94E‐07
6.21E‐08
3.10E‐08
0.1304
0.0360
0.0266
0.0207
0.0180
0.0085
0.0055
0.0052
0.0033
0.0018
0.0015
0.0010
0.0010
0.0010
4.25E‐05
4.25E‐05
4.25E‐05
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
23.79%
6.57%
4.85%
3.77%
3.29%
1.55%
1.01%
0.94%
0.61%
0.34%
0.27%
0.19%
0.19%
0.19%
0.01%
0.01%
0.01%
2.24E‐07
1.48E‐08
1.23E‐07
7.19E‐08
7.78E‐09
7.78E‐09
6.81E‐09
5.84E‐09
5.84E‐09
3.94E‐09
126.5
69.37
46.00
3.000
2.200
1.800
1.600
1.600
1.400
1.200
1.200
0.8000
0.1462
0.0671
0.0445
0.0029
0.0021
0.0017
0.0015
0.0015
0.0014
0.0012
0.0012
7.74E‐04
100.00%
45.89%
30.43%
1.98%
1.46%
1.19%
1.06%
1.06%
0.93%
0.79%
0.79%
0.53%
E
E
E
E
E
E
E
D
D
D
D
D
D
D
D
D
D
E
E
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
44
Table B
Hazardous Event Precursor code
Number
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
PFIREIDCEH
PFIREIAVHH
PFIREIDCHH
PFIREIDCDH
PFIREIAVLH
PFIREICFDF
PFIREIELDF
PFIREIOTDF
PFIREIELHF
PFIREIDCLH
PFIREIDCIH
PFIREIHVLF
PFIREIOTEF
HET‐17i
PFIREIHEHF
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
HET‐17i
PFIREIBCIF
PFIREIHEDH
PFIREIHVHF
PFIREIHVIF
PFIREICFHF
PFIREIAVIH
PFIREICFIF
PFIREICFLF
PFIREIELLF
PFIREIOTLF
PFIREIBCDF
PFIREIOTHF
PFIREIHELH
PFIREIMEEF
PFIREIMEDF
PFIREIHEIH
PFIREIOTIF
PFIREIMEHF
PFIREIELIF
PFIREIMELF
PFIREIMEIF
Cause precursor description
PT EMU: fires inside PT due to discarded cigarettes
PT HST/DEMU: fires inside PT due to arson/vandalism fires
PT HST/DEMU: fires inside PT due to discarded cigarettes
PT DMU: fires inside PT due to discarded cigarettes
PT ELOCO: fires inside PT due to arson/vandalism fires
PT DMU: fires inside PT. Cab fires
PT DMU: fires inside PT due to electrical equipment
PT DMU: fire inside due to other causes
PT HST/DEMU: fires inside PT due to electrical equipment
PT ELOCO: fires inside PT due to discarded cigarettes
PT DLOCO: fires inside PT due to discarded cigarettes
PT ELOCO: fires inside PT due to H&V equipment faults
PT EMU: fires inside due to other causes
PT HST/DEMU: fires inside PT due to human error /carelessness (includes crew and passenger)
PT DLOCO: fires inside PT buffet car fires
PT DMU: fires inside PT due to human error /carelessness (includes crew and passenger)
PT HST/DEMU: fires inside PT due to H&V equipment faults
PT DLOCO: fires inside PT due to H&V equipment faults
PT HST/DEMU: fires inside PT. Cab fires
PT DLOCO: fires inside PT due to arson/vandalism fires
PT DLOCO: fires inside PT. Cab fires
PT ELOCO: fires inside PT. Cab fires
PT ELOCO: fires inside PT due to electrical equipment
PT ELOCO: fire inside due to other causes
PT DMU: fires inside PT buffet car fires
PT HST/DEMU: fires inside due to other causes
PT ELOCO: fires inside PT due to human error /carelessness (includes crew and passenger)
PT EMU: fires inside PT due to mechanical equipment
PT DMU: fires inside PT due to mechanical equipment
PT DLOCO: fires inside PT due to human error /carelessness (includes crew and passenger)
PT DLOCO: fires inside due to other causes
PT HST/DEMU: fires inside PT due to mechanical equipment
PT DLOCO: fires inside PT due to electrical equipment
PT ELOCO: fires inside PT due to mechanical equipment
PT DLOCO: fires inside PT due to mechanical equipment
Version 6.1 – June 2009
Pass. EMU trn km
Pass. HST trn km
Pass. HST trn km
Pass. DMU trn km
Pass. el loco trn km
Pass. DMU trn km
Pass. DMU trn km
Pass. DMU trn km
Pass. HST trn km
Pass. el loco trn km
Pass. dsl loco trn km
Pass. el loco trn km
Pass. EMU trn km
National frequency (events/ normaliser)
3.89E‐09
3.19E‐08
3.19E‐08
2.95E‐09
3.35E‐08
1.97E‐09
1.97E‐09
1.97E‐09
1.60E‐08
2.24E‐08
2.65E‐07
1.56E‐08
9.73E‐10
Pass. HST trn km
Pass. dsl loco trn km
Pass. DMU trn km
Pass. HST trn km
Pass. dsl loco trn km
Pass. HST trn km
Pass. dsl loco trn km
Pass. dsl loco trn km
Pass. el loco trn km
Pass. el loco trn km
Pass. el loco trn km
Pass. DMU trn km
Pass. HST trn km
Pass. el loco trn km
Pass. EMU trn km
Pass. DMU trn km
Pass. dsl loco trn km
Pass. dsl loco trn km
Pass. HST trn km
Pass. dsl loco trn km
Pass. el loco trn km
Pass. dsl loco trn km
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.8000
0.8000
0.8000
0.6000
0.6000
0.4000
0.4000
0.4000
0.4000
0.4000
0.2791
0.2791
0.2000
7.74E‐04
7.74E‐04
7.74E‐04
5.80E‐04
5.80E‐04
3.87E‐04
3.87E‐04
3.87E‐04
3.87E‐04
3.87E‐04
2.70E‐04
2.70E‐04
1.93E‐04
0.53%
0.53%
0.53%
0.40%
0.40%
0.26%
0.26%
0.26%
0.26%
0.26%
0.18%
0.18%
0.13%
D
D
D
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
7.99E‐09
0.2000
1.93E‐04
0.13%
D
‐
1.90E‐07
9.15E‐10
7.43E‐09
1.77E‐07
5.70E‐09
1.36E‐07
1.36E‐07
7.99E‐09
7.99E‐09
7.99E‐09
6.21E‐10
3.71E‐09
5.20E‐09
1.42E‐10
1.42E‐10
6.21E‐09
6.21E‐09
1.42E‐10
2.67E‐09
1.42E‐10
1.42E‐10
0.2000
0.1860
0.1860
0.1860
0.1429
0.1429
0.1429
0.1429
0.1429
0.1429
0.1263
0.0930
0.0930
0.0293
0.0289
0.0065
0.0065
0.0036
0.0028
0.0025
1.50E‐04
1.93E‐04
1.80E‐04
1.80E‐04
1.80E‐04
1.38E‐04
1.38E‐04
1.38E‐04
1.38E‐04
1.38E‐04
1.38E‐04
1.22E‐04
8.99E‐05
8.99E‐05
2.83E‐05
2.80E‐05
6.32E‐06
6.32E‐06
3.45E‐06
2.72E‐06
2.46E‐06
1.45E‐07
0.13%
0.12%
0.12%
0.12%
0.09%
0.09%
0.09%
0.09%
0.09%
0.09%
0.08%
0.06%
0.06%
0.02%
0.02%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
D
D
D
D
D
D
D
D
D
D
N
D
D
N
N
N
N
N
D
N
N
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
45
Table B
Hazardous Event Precursor code
Number
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
Cause precursor description
Fire on passenger train exterior
PFIREOENDF
PT DMU: engine fires
PFIREOESHF
PT HST/DEMU: exhaust systems fires
PFIREOOUDF
PT DMU: underframe fire outside due to other causes
PFIREOBDDF
PT DMU: dragging brake fires
PFIREOEUDF
PT DMU: electric equipment fires outside (underframe)
PFIREOOTDF
PT DMU: fires outside due to other causes (excluding underframe)
PFIREOPCHF
PT HST/DEMU: power car fires
PFIREOENHF
PT HST/DEMU: engine fires
PFIREOOLDF
PT DMU: oil/diesel leak fires
PFIREOBDIF
PT DLOCO: dragging brake fires
PFIREOEUEF
PT EMU: electric equipment fires (underframe)
PFIREOCCEF
PT EMU: current collection fires
PFIREORBEF
PT EMU: resistance bank fires
PFIREOMEDF
PT DMU: mechanical equipment fires
PFIREOTMEF
PT EMU: traction motors fires
PFIREOBDEF
PT EMU: dragging brake fires
PFIREOSGEF
PT EMU: switch gear fires
PFIREOESDF
PT DMU: exhaust systems fires
PFIREOTMHF
PT HST/DEMU: traction motors fires
PFIREOTMIF
PT DLOCO: traction motors fires
PFIREOBDLF
PT ELOCO: dragging brake fires
PFIREOAXDF
PT DMU: hot/failed axle box fires
PFIREOBSDF
PT DMU: brake sparking fires
PFIREOBDHF
PT HST/DEMU: dragging brake fires
PFIREOELHF
PT HST/DEMU: electrical equipment fires (excluding underframe)
PFIREOOTHF
PT HST/DEMU: fires outside due to other causes (excluding underframe)
PFIREOOUHF
PT HST/DEMU: underframe fire outside due to other causes
PFIREOBSIF
PT DLOCO: brake sparking fires
PFIREOVAEH
PT EMU: fires outside PT due to vandalism
PFIREOAXEF
PT EMU: hot/failed axle box fires
PFIREOELEF
PT EMU: electrical equipment fires (excluding underframe)
PFIREOOTEF
PT EMU: fires outside due to other causes (excluding underframe)
PFIREOELIF
PT DLOCO: electrical equipment fires (excluding underframe)
PFIREOCEDF
PT DMU: control equipment fires
PFIREOVADH
PT DMU: fires due to vandalism
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. DMU trn km
Pass. HST trn km
Pass. DMU trn km
Pass. DMU trn km
Pass. DMU trn km
Pass. DMU trn km
Pass. HST trn km
Pass. HST trn km
Pass. DMU trn km
Pass. dsl loco trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. DMU trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. DMU trn km
Pass. HST trn km
Pass. dsl loco trn km
Pass. el loco trn km
Pass. DMU trn km
Pass. DMU trn km
Pass. HST trn km
Pass. HST trn km
Pass. HST trn km
Pass. HST trn km
Pass. dsl loco trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. dsl loco trn km
Pass. DMU trn km
Pass. DMU trn km
4.43E‐08
1.20E‐07
1.28E‐08
1.08E‐08
1.08E‐08
1.08E‐08
7.99E‐08
5.59E‐08
5.90E‐09
1.14E‐06
1.36E‐08
1.13E‐08
1.07E‐08
3.94E‐09
9.73E‐09
7.78E‐09
7.78E‐09
2.95E‐09
2.40E‐08
5.43E‐07
6.71E‐08
1.97E‐09
1.97E‐09
1.60E‐08
1.60E‐08
1.60E‐08
1.60E‐08
3.80E‐07
4.86E‐09
3.89E‐09
3.89E‐09
3.89E‐09
2.65E‐07
9.84E‐10
9.84E‐10
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
57.14
9.000
3.000
2.600
2.200
2.200
2.200
2.000
1.400
1.200
1.200
2.800
2.333
2.200
0.8000
2.000
1.600
1.600
0.6000
0.6000
0.5714
1.200
0.4000
0.4000
0.4000
0.4000
0.4000
0.4000
0.4000
1.000
0.8000
0.8000
0.8000
0.2791
0.2000
0.2000
0.0791
0.0162
0.0054
0.0047
0.0040
0.0040
0.0040
0.0036
0.0025
0.0022
0.0022
0.0020
0.0016
0.0015
0.0014
0.0014
0.0011
0.0011
0.0011
0.0011
0.0010
8.42E‐04
7.19E‐04
7.19E‐04
7.19E‐04
7.19E‐04
7.19E‐04
7.19E‐04
7.19E‐04
7.02E‐04
5.62E‐04
5.62E‐04
5.62E‐04
5.02E‐04
3.60E‐04
3.60E‐04
54.11%
11.07%
3.69%
3.20%
2.71%
2.71%
2.71%
2.46%
1.72%
1.48%
1.48%
1.34%
1.12%
1.06%
0.98%
0.96%
0.77%
0.77%
0.74%
0.74%
0.70%
0.58%
0.49%
0.49%
0.49%
0.49%
0.49%
0.49%
0.49%
0.48%
0.38%
0.38%
0.38%
0.34%
0.25%
0.25%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
N
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
46
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
PT HST/DEMU: control equipment fires
PT HST/DEMU: electrical equipment fires (underframe)
PT HST/DEMU: oil/diesel leak fires
PT HST/DEMU: resistance bank fires
PT DLOCO: exhaust systems fires
PT DLOCO: locomotive fire
PT DLOCO: fires due to vandalism
PT ELOCO: electrical equipment fires (excluding underframe)
PT EMU: mechanical equipment fires
PT ELOCO: hot/failed axle box fires
PT ELOCO: underframe fire outside due to other causes
PT DLOCO: engine fires
PT DLOCO: electrical equipment fires (underframe)
PT DLOCO: oil/diesel leak fires
PT EMU: control equipment fires
PT ELOCO: choke fires
PT DMU: battery box fires
PT HST/DEMU: fires due to vandalism
PT DMU: resistance bank fires
PT DMU: electrical equipment fires (excluding underframe)
PT EMU: underframe fire outside due to other causes
PT EMU: traction current return problems
PT EMU: transformer fires
PT ELOCO: brake sparking fires
PT ELOCO: traction motors fires
PT ELOCO: transformer fires
PT ELOCO: current collection fires
PT HST/DEMU: brake sparking fires
PT HST/DEMU: hot/failed axle box fires
PT HST/DEMU: mechanical equipment fires
PT EMU: battery box fires
PT EMU: brake sparking fires
PT ELOCO: electrical equipment fires (underframe)
PT HST/DEMU: transformer fires
PT EMU: oil/diesel leak fires
PT ELOCO: mechanical equipment fires
PFIREOCEHF
PFIREOEUHF
PFIREOOLHF
PFIREORBHF
PFIREOEXIF
PFIREOLOIF
PFIREOVAIH
PFIREOELLF
PFIREOMEEF
PFIREOAXLF
PFIREOOULF
PFIREOENIF
PFIREOEUIF
PFIREOOLIF
PFIREOCEEF
PFIREOCHLF
PFIREOBADF
PFIREOVAHH
PFIREORBDF
PFIREOELDF
PFIREOOUEF
PFIREOTCEF
PFIREOTREF
PFIREOBSLF
PFIREOTMLF
PFIREOTRLF
PFIREOCCLF
PFIREOBSHF
PFIREOAXHF
PFIREOMEHF
PFIREOBAEF
PFIREOBSEF
PFIREOEULF
PFIREOTRHF
PFIREOOLEF
PFIREOMELF
Version 6.1 – June 2009
Normaliser
Pass. HST trn km
Pass. HST trn km
Pass. HST trn km
Pass. HST trn km
Pass. dsl loco trn km
Pass. dsl loco trn km
Pass. dsl loco trn km
Pass. el loco trn km
Pass. EMU trn km
Pass. el loco trn km
Pass. el loco trn km
Pass. dsl loco trn km
Pass. dsl loco trn km
Pass. dsl loco trn km
Pass. EMU trn km
Pass. el loco trn km
Pass. DMU trn km
Pass. HST trn km
Pass. DMU trn km
Pass. DMU trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. el loco trn km
Pass. el loco trn km
Pass. el loco trn km
Pass. el loco trn km
Pass. HST trn km
Pass. HST trn km
Pass. HST trn km
Pass. EMU trn km
Pass. EMU trn km
Pass. el loco trn km
Pass. HST trn km
Pass. EMU trn km
Pass. el loco trn km
National frequency (events/ normaliser)
7.99E‐09
7.99E‐09
7.99E‐09
7.99E‐09
1.90E‐07
1.90E‐07
1.90E‐07
2.40E‐08
1.95E‐09
2.24E‐08
2.08E‐08
1.36E‐07
1.36E‐07
1.36E‐07
1.39E‐09
1.56E‐08
4.58E‐10
3.71E‐09
4.19E‐10
4.16E‐10
9.73E‐10
9.73E‐10
9.73E‐10
1.12E‐08
1.12E‐08
1.12E‐08
1.04E‐08
2.65E‐09
2.49E‐09
2.49E‐09
6.95E‐10
6.95E‐10
6.99E‐09
1.70E‐09
4.52E‐10
5.20E‐09
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.2000
0.2000
0.2000
0.2000
0.2000
0.2000
0.2000
0.4286
0.4000
0.4000
0.3721
0.1429
0.1429
0.1429
0.2857
0.2791
0.0930
0.0930
0.0851
0.0846
0.2000
0.2000
0.2000
0.2000
0.2000
0.2000
0.1860
0.0664
0.0622
0.0622
0.1429
0.1429
0.1250
0.0426
0.0930
0.0930
3.60E‐04
3.60E‐04
3.60E‐04
3.60E‐04
3.60E‐04
3.60E‐04
3.60E‐04
3.01E‐04
2.81E‐04
2.81E‐04
2.61E‐04
2.57E‐04
2.57E‐04
2.57E‐04
2.01E‐04
1.96E‐04
1.67E‐04
1.67E‐04
1.53E‐04
1.52E‐04
1.40E‐04
1.40E‐04
1.40E‐04
1.40E‐04
1.40E‐04
1.40E‐04
1.31E‐04
1.19E‐04
1.12E‐04
1.12E‐04
1.00E‐04
1.00E‐04
8.77E‐05
7.66E‐05
6.53E‐05
6.53E‐05
0.25%
0.25%
0.25%
0.25%
0.25%
0.25%
0.25%
0.21%
0.19%
0.19%
0.18%
0.18%
0.18%
0.18%
0.14%
0.13%
0.11%
0.11%
0.10%
0.10%
0.10%
0.10%
0.10%
0.10%
0.10%
0.10%
0.09%
0.08%
0.08%
0.08%
0.07%
0.07%
0.06%
0.05%
0.04%
0.04%
D
D
D
N
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
N
D
D
D
D
D
D
D
D
N
N
D
D
D
N
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
47
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
HET‐17e
PFIREOOTLF
PFIREOVALH
PFIREOOTIF
PFIREOOUIF
PFIREOCHEF
PFIREOCELF
PFIREOAXIF
PFIREOOLLF
PFIREOMEIF
PFIREOCEIF
PFIREOBAHF
PFIREOSGHF
PFIREOBALF
PFIREOSGLF
PFIREOBAIF
PFIREOSGIF
PT ELOCO: fires outside due to other causes (excluding underframe)
PT ELOCO: fires due to vandalism
PT DLOCO: fires outside due to other causes (excluding underframe)
PT DLOCO: underframe fire outside due to other causes
PT EMU: choke fires
PT ELOCO: control equipment fires
PT DLOCO: hot/failed axle box fires
PT ELOCO: oil/diesel leak fires
PT DLOCO: mechanical equipment fires
PT DLOCO: control equipment fires
PT HST/DEMU: battery fires
PT HST/DEMU: switchgear fires
PT ELOCO: battery box fires
PT ELOCO: switch gear fires
PT DLOCO: battery fires
PT DLOCO: switchgear fires
HET‐20
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
Fire on non‐passenger train
Fire on non‐passenger train outside possession
PFWGCAR‐E
Fire on FT wagon ‐ cargo
PFWGDRB‐E
Fire on FT wagon ‐ dragging brakes
PFWGVAN‐E
Fire on FT wagon ‐ vandalism/arson
PFWGHAB‐E
Fire on FT wagon ‐ axle/bearing failure
PFWGHE‐‐E
Fire on FT wagon ‐ human error/carelessness
PFWGSPA‐E
Fire on FT wagon ‐ brake sparking
PFLCDENG‐E
Fire on FT diesel loco ‐ engine
PFLCDEX‐‐E
Fire on FT diesel loco ‐ exhaust system
PFLCELTM‐E
Fire on FT electric loco ‐ traction motor
PFDCSDMUEE
Fire on DMU ECS ‐ engine
PFLCDE‐‐‐E
Fire on FT diesel loco ‐ electrical
PFLCDBB‐‐E
Fire on FT diesel loco ‐ battery box
PFLCDBRS‐E
Fire on FT diesel loco ‐ brake sparking
PFDCSHSTXE
Fire on HST/DEMU ECS ‐ exhaust system
PFECSBE‐E
Fire on berthed EMU ‐ electrical
PFECSCC‐E
Fire on EMU ECS ‐ current collection
PFECSE‐‐E
Fire on EMU ECS ‐ electrical
Version 6.1 – June 2009
Normaliser
Pass. el loco trn km
Pass. el loco trn km
Pass. dsl loco trn km
Pass. dsl loco trn km
Pass. EMU trn km
Pass. el loco trn km
Pass. dsl loco trn km
Pass. el loco trn km
Pass. dsl loco trn km
Pass. dsl loco trn km
Pass. HST trn km
Pass. HST trn km
Pass. el loco trn km
Pass. el loco trn km
Pass. dsl loco trn km
Pass. dsl loco trn km
Frt & PCLS trn km
Frt & PCLS trn km
Frt & PCLS trn km
Frt & PCLS trn km
Frt & PCLS trn km
Frt & PCLS trn km
Frt & PCLS trn km
Frt & PCLS trn km
Frt & PCLS trn km
ECS trn km
Frt & PCLS trn km
Frt & PCLS trn km
Frt & PCLS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
National frequency (events/ normaliser)
5.20E‐09
5.20E‐09
1.86E‐08
1.86E‐08
2.20E‐10
2.49E‐09
1.24E‐08
1.55E‐09
9.32E‐09
6.21E‐09
2.20E‐10
2.20E‐10
2.20E‐10
2.20E‐10
2.20E‐10
2.20E‐10
1.42E‐08
7.12E‐09
5.08E‐09
3.56E‐09
3.56E‐09
2.54E‐09
3.91E‐08
1.78E‐08
1.78E‐08
5.64E‐08
1.27E‐08
7.12E‐09
7.12E‐09
2.42E‐08
2.42E‐08
2.42E‐08
2.42E‐08
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0930
0.0930
0.0196
0.0196
0.0452
0.0445
0.0131
0.0278
0.0098
0.0065
0.0055
0.0055
0.0039
0.0039
2.31E‐04
2.31E‐04
6.53E‐05
6.53E‐05
3.53E‐05
3.53E‐05
3.17E‐05
3.12E‐05
2.35E‐05
1.95E‐05
1.76E‐05
1.18E‐05
9.89E‐06
9.89E‐06
2.76E‐06
2.76E‐06
4.16E‐07
4.16E‐07
0.04%
0.04%
0.02%
0.02%
0.02%
0.02%
0.02%
0.01%
0.01%
0.01%
0.01%
0.01%
0.00%
0.00%
0.00%
0.00%
24.26
22.66
0.8000
0.4000
0.2857
0.2000
0.2000
0.1429
2.200
1.000
1.000
1.400
0.7143
0.4000
0.4000
0.6000
0.6000
0.6000
0.6000
0.0359
0.0310
0.0114
0.0057
0.0041
0.0029
0.0029
0.0020
3.07E‐04
1.40E‐04
1.40E‐04
1.06E‐04
9.98E‐05
5.59E‐05
5.59E‐05
4.53E‐05
4.53E‐05
4.53E‐05
4.53E‐05
100.00%
86.20%
31.75%
15.88%
11.34%
7.94%
7.94%
5.67%
0.86%
0.39%
0.39%
0.29%
0.28%
0.16%
0.16%
0.13%
0.13%
0.13%
0.13%
D
D
N
N
N
N
N
N
N
N
N
N
N
N
N
N
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
48
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
Fire on road‐rail vehicle/track machine ‐ cause not established
Fire on LE diesel loco ‐ dragging brakes
Fire on EMU ECS ‐ axle/bearing failure
Fire on berthed EMU ‐ arson/vandalism
Fire on LE diesel loco ‐ engine
Fire on HST/DEMU ECS ‐ engine
Fire on EMU ECS ‐ dragging brakes
Fire on road‐rail vehicle/track machine ‐ engine
Fire on FT diesel loco ‐ dragging brakes
Fire on FT diesel loco ‐ diesel/oil leak
Fire on FT diesel loco ‐ underframe
Fire on FT electric loco ‐ dragging brakes
Fire on EMU ECS ‐ resistance bank
Fire on LE diesel loco ‐ exhaust system
Fire on FT diesel loco ‐ axle/bearing failure
Fire on FT diesel loco ‐ human error/carelessness
Fire on LE electric loco ‐ traction motor
Fire on FT electric loco ‐ transformer
Fire on berthed DMU ‐ arson/vandalism
Fire on berthed DMU ‐ H&V equipment fault
Fire on DMU ECS ‐ electrical
Fire on diesel engineer's stock ‐ other
Fire on diesel engineer's stock ‐ oil leak
Fire on HST/DEMU ECS ‐ buffet cars
Fire on berthed EMU ‐ battery box
Fire on electric stock ECS ‐ electrical
Fire on EMU ECS ‐ switch gear
Fire on EMU ECS ‐ cause not established
Fire on diesel engineer's stock ‐ brakes sparking
Fire on diesel engineer's stock ‐ engine
Fire on diesel hauled stock ECS ‐ electrical
Fire on ECS diesel loco ‐ electrical
Fire on LE diesel loco ‐ brake sparking
Fire on FT electric loco ‐ current collection
Fire on FT electric loco ‐ electrical
Fire on berthed DMU ‐ engine
PFRRN‐‐‐‐E
PFLCDLEDBE
PFECSAB‐E
PFECSBV‐E
PFLCDLEE‐E
PFDCSHSTEE
PFECSDB‐E
PFRRENG‐‐E
PFLCDDRB‐E
PFLCDFFP‐E
PFLCDUC‐‐E
PFLCEDRB‐E
PFECSG‐‐E
PFLCDLEEXE
PFLCDABF‐E
PFLCDHE‐‐E
PFLCELETME
PFLCELTR‐E
PFDCSBARE
PFDCSBHVE
PFDCSDMUFE
PFDCSDO‐E
PFDCSDOL‐E
PFDCSHSTCE
PFECSBBAE
PFECSEF‐‐E
PFECSL‐‐E
PFECSN‐‐E
PFDCSBS‐E
PFDCSDEN‐E
PFDCSEF‐‐E
PFLCDEEL‐E
PFLCDLEBSE
PFLCELCC‐E
PFLCELE‐E
PFDCSBENE
Version 6.1 – June 2009
Normaliser
ECS trn km
Frt & PCLS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
Frt & PCLS trn km
Frt & PCLS trn km
Frt & PCLS trn km
Frt & PCLS trn km
ECS trn km
ECS trn km
Frt & PCLS trn km
Frt & PCLS trn km
Frt & PCLS trn km
Frt & PCLS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
Frt & PCLS trn km
Frt & PCLS trn km
ECS trn km
National frequency (events/ normaliser)
2.42E‐08
5.08E‐09
1.73E‐08
1.73E‐08
1.73E‐08
1.61E‐08
1.61E‐08
1.61E‐08
3.56E‐09
3.56E‐09
3.56E‐09
3.31E‐09
1.15E‐08
1.12E‐08
2.54E‐09
2.54E‐09
2.54E‐09
2.54E‐09
8.06E‐09
8.06E‐09
8.06E‐09
8.06E‐09
8.06E‐09
8.06E‐09
8.06E‐09
8.06E‐09
8.06E‐09
8.06E‐09
7.50E‐09
7.50E‐09
7.50E‐09
7.50E‐09
7.50E‐09
1.66E‐09
1.66E‐09
5.76E‐09
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.6000
0.2857
0.4286
0.4286
0.4286
0.4000
0.4000
0.4000
0.2000
0.2000
0.2000
0.1860
0.2857
0.2791
0.1429
0.1429
0.1429
0.1429
0.2000
0.2000
0.2000
0.2000
0.2000
0.2000
0.2000
0.2000
0.2000
0.2000
0.1860
0.1860
0.1860
0.1860
0.1860
0.0930
0.0930
0.1429
4.53E‐05
3.99E‐05
3.23E‐05
3.23E‐05
3.23E‐05
3.02E‐05
3.02E‐05
3.02E‐05
2.79E‐05
2.79E‐05
2.79E‐05
2.60E‐05
2.16E‐05
2.11E‐05
2.00E‐05
2.00E‐05
2.00E‐05
2.00E‐05
1.51E‐05
1.51E‐05
1.51E‐05
1.51E‐05
1.51E‐05
1.51E‐05
1.51E‐05
1.51E‐05
1.51E‐05
1.51E‐05
1.40E‐05
1.40E‐05
1.40E‐05
1.40E‐05
1.40E‐05
1.30E‐05
1.30E‐05
1.08E‐05
0.13%
0.11%
0.09%
0.09%
0.09%
0.08%
0.08%
0.08%
0.08%
0.08%
0.08%
0.07%
0.06%
0.06%
0.06%
0.06%
0.06%
0.06%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.04%
0.03%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
49
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20A
HET‐20 POS
HET‐20 POS
HET‐20 POS
HET‐20 POS
PFDCSDBD‐E
Fire on diesel engineer's stock ‐ brakes dragging
PFDCSDES‐E
Fire on diesel engineer's stock ‐ exhaust system
PFDCSDMUDE
Fire on DMU ECS ‐ diesel/oil leak
PFDCSDMUOE
Fire on DMU ECS ‐ outside due to other causes
PFDCSHSTFE
Fire on HST/DEMU ECS ‐ electrical
PFDCSHSTOE
Fire on HST/DEMU ECS ‐ outside due to other causes
PFECSBC‐E
Fire on berthed EMU ‐ current collection
PFECSDRB‐E
Fire on electric stock ECS ‐ dragging brakes
PFLCDERF‐E
Fire on ECS diesel loco ‐ engine
PFDCSDEL‐E
Fire on diesel engineer's stock ‐ electrical
PFDCSDMUAE
Fire on DMU ECS ‐ axle/bearing failure
PFDCSDMUHE
Fire on DMU ECS ‐ H&V equipment fault
PFDCSHSTBE
Fire on HST/DEMU ECS ‐ dragging brakes
PFECSC‐‐E
Fire on EMU ECS ‐ cabs
PFECSHV‐‐E
Fire on electric stock ECS ‐ H&V equipment fault
PFECSOUCE
Fire on EMU ECS ‐ other underframe cause
PFECSTM‐E
Fire on EMU ECS ‐ traction motor
PFLCDEXH‐E
Fire on ECS diesel loco ‐ exhaust systems
PFLCDLEOLE
Fire on LE diesel loco ‐ diesel / oil leak
PFLCELEL‐E
Fire on ECS electric loco ‐ electrical
PFRRAB‐‐‐E
Fire on road‐rail vehicle/track machine ‐ axle/bearing failure
PFRRHE‐‐‐E
Fire on road‐rail vehicle/track machine ‐ human error/carelessness
PFDLBE‐‐‐E
Fire on berthed diesel loco ‐ engine
PFDCSDMUVE
Fire on DMU ECS ‐ vandalism
PFECSBOCE
Fire on berthed EMU ‐ other outside causes
Fire on OTP inside possession
OT08I59
Defect on OTP leading to Fire on OTP ‐ Inside Possession
OT08I55
Unsafe system of work employed by workers leading to Fire on OTP ‐ Inside Possession
OT08I54
Vandalism leading to Fire on OTP ‐ Inside Possession
HET‐21
HET‐21A
HET‐21A
Train crushed by structural collapse or large object (not at station)
Train crushed by structural collapse or large object outside possession (not at station)
RSTRUCT‐‐‐F
Significant NRMI structural collapse (bridge, tunnel, building, retaining wall)
Version 6.1 – June 2009
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
ECS trn km
Frt & PCLS trn km
ECS trn km
ECS trn km
National frequency (events/ normaliser)
5.76E‐09
5.76E‐09
5.76E‐09
5.76E‐09
5.76E‐09
5.76E‐09
5.76E‐09
5.76E‐09
5.76E‐09
3.75E‐09
3.75E‐09
3.75E‐09
3.75E‐09
3.75E‐09
3.75E‐09
3.75E‐09
3.75E‐09
3.75E‐09
3.75E‐09
3.75E‐09
3.75E‐09
3.75E‐09
6.09E‐10
6.09E‐10
6.09E‐10
OTP hrs
OTP hrs
OTP hrs
Normaliser
Tot trn kms
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
6.91E‐07
9.20E‐09
7.08E‐09
0.1429
0.1429
0.1429
0.1429
0.1429
0.1429
0.1429
0.1429
0.1429
0.0930
0.0930
0.0930
0.0930
0.0930
0.0930
0.0930
0.0930
0.0930
0.0930
0.0930
0.0930
0.0930
0.0342
0.0151
0.0151
1.600
1.563
0.0208
0.0160
1.08E‐05
1.08E‐05
1.08E‐05
1.08E‐05
1.08E‐05
1.08E‐05
1.08E‐05
1.08E‐05
1.08E‐05
7.02E‐06
7.02E‐06
7.02E‐06
7.02E‐06
7.02E‐06
7.02E‐06
7.02E‐06
7.02E‐06
7.02E‐06
7.02E‐06
7.02E‐06
7.02E‐06
7.02E‐06
4.78E‐06
1.14E‐06
1.14E‐06
0.0050
0.0048
6.45E‐05
4.96E‐05
0.03%
0.03%
0.03%
0.03%
0.03%
0.03%
0.03%
0.03%
0.03%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.02%
0.01%
0.00%
0.00%
13.80%
13.49%
0.18%
0.14%
8.72E‐13
4.70E‐04
4.66E‐04
4.66E‐04
0.0063
0.0063
0.0063
100.00%
99.96%
99.96%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
E
D
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
‐
‐
‐
50
Table B
Hazardous Event Precursor code
Number
HET‐21 POS
HET‐21 POS
HET‐21 POS
Cause precursor description
OTP crushed by structural collapse or large object inside possession (not at station)
OT11I32
Infrastructure Defect OTP Crushed by Structural Collapse ‐ Inside Possession
Unsafe System of Work Employed by Workers OTP Crushed by Structural Collapse ‐ Inside OT11I54
Possession
HET‐22
HET‐22
Structural collapse at station
RSTATSTR‐F
Structural collapse at station
HET‐23
HET‐23
Explosion on passenger train
PEXPLOS‐PF
Spontaneous explosion on a passenger train
HET‐24
HET‐24
HET‐24
Explosion on freight train
FEXPLOSHFF
Spontaneous explosion on a freight train (hazardous freight)
FEXPLOS‐FF
Spontaneous explosion on a freight train (non‐hazardous freight)
HET‐25
HET‐25A
HET‐25A
HET‐25A
HET‐25A
HET‐25A
HET‐25B
HET‐25B
HET‐25B
HET‐25B
HET‐25B
Train divisions (not leading to collision)
Train divisions (not leading to collision): in station
USNOTESTPE
Division in station ‐ cause not established
USCOUERRPH
Division in station due to coupling error
USDFCOUPPF
Division in station due to defective coupling
USDRVBUTPH
Division in station due to driver pressing the uncoupling button in error
Train divisions (not leading to collision): on running line
URNOTESTPE
Division on running line ‐ cause not established
URDRVBUTPH
Division on running line due to driver pressing the uncoupling button in error
URCOUERRPH
Division on running line due to coupling error
URDFCOUPPF
Division on running line due to defective coupling
HET‐26
HET‐26
HET‐26
HET‐26
HET‐26
HET‐26
Collision between a failed train and an assisting train
UASSILEPE
Low adhesion due to leaves leading to passenger train collision
UASSIMIPE
Driver misjudges braking/failure to control train leading to assisting passenger train collision
UASSIRCPE
Low adhesion due to rail contamination leading to assisting passenger train collision
UASSISEPE
Failed train not properly secured leading to assisting passenger train collision (Runaway)
UASSILEFE
Low adhesion due to leaves leading to non‐passenger train collision
Driver misjudges braking/failure to control train leading to assisting non‐passenger train UASSIMIFE
collision
UASSIRCFE
Low adhesion due to rail contamination leading to assisting non‐passenger train collision
UASSISEFE
Failed train not properly secured leading to assisting non‐passenger train collision (Runaway)
HET‐26
HET‐26
HET‐26
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
OTP hrs
1.57E‐12
4.74E‐06
3.55E‐06
2.72E‐06
2.04E‐06
0.04%
0.03%
E
‐
‐
OTP hrs
5.23E‐13
1.18E‐06
6.79E‐07
0.01%
E
‐
Stations
3.94E‐06
0.0100
0.0100
0.0387
0.0387
100.00%
100.00%
E
‐
‐
Pass. trn kms
4.42E‐11
0.0200
0.0200
0.0050
0.0050
100.00%
100.00%
E
‐
‐
Non‐pass trn kms
Non‐pass trn kms
1.23E‐10
8.83E‐11
0.0172
0.0100
0.0072
0.0688
0.0681
7.17E‐04
100.00%
98.96%
1.04%
E
E
‐
‐
‐
0.0079
0.0046
0.0022
9.17E‐04
9.17E‐04
5.50E‐04
0.0033
0.0017
1.00E‐03
3.33E‐04
3.33E‐04
100.00%
57.89%
27.79%
11.58%
11.58%
6.95%
42.11%
21.05%
12.63%
4.21%
4.21%
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
8.83E‐09
3.68E‐09
3.68E‐09
2.21E‐09
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
3.68E‐09
2.21E‐09
7.36E‐10
7.36E‐10
11.67
8.333
4.000
1.667
1.667
1.0000
3.333
1.667
1.0000
0.3333
0.3333
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Non‐pass trn kms
7.51E‐11
3.75E‐11
3.75E‐11
7.51E‐11
4.20E‐10
0.1870
0.0340
0.0170
0.0170
0.0340
0.0340
0.0058
9.68E‐04
9.68E‐04
9.68E‐04
9.68E‐04
4.93E‐04
100.00%
16.57%
16.57%
16.57%
16.57%
8.43%
D
D
D
D
D
‐
‐
‐
‐
‐
‐
Non‐pass trn kms
2.10E‐10
0.0170
4.93E‐04
8.43%
D
‐
Non‐pass trn kms
Non‐pass trn kms
2.10E‐10
2.10E‐10
0.0170
0.0170
4.93E‐04
4.93E‐04
8.43%
8.43%
D
D
‐
‐
D
D
D
D
51
Table B
Page left blank intentionally
Version 6.1 – June 2009
52
Table B
Hazardous Event Precursor code
Number
Cause precursor description
Normaliser
National frequency (events/ normaliser)
HEM‐01
HEM‐01A
HEM‐01A
HEM‐01B
HEM‐01B
Passenger injury during evacuation following stopped train
Passenger injury during evacuation following stopped train (controlled evacuation)
PEVCCNT‐‐H
Passenger injured during controlled evacuation following a stopped train
Passenger injury during evacuation following stopped train (uncontrolled evacuation)
PEVCUCNT‐H
Passenger injured during uncontrolled evacuation following a stopped train
HEM‐03
HEM‐03
Passenger struck while leaning out of train (train in running)
PPLEANT‐‐H
Passenger struck by lineside object (eg. bridge/stanchion) while leaning out of train
HEM‐05
HEM‐05A
HEM‐05A
HEM‐05A
HEM‐05A
HEM‐05B
HEM‐05B
HEM‐05B
HEM‐05B
Train door closes on passenger
Train door closes on passenger (slam‐door)
PSLBOARD‐H
Train door closes on passenger (slam door stock) whilst boarding
PSLOTHER‐H
Train door closes on passenger (slam door stock) other/unknown
PSLALIGH‐H
Train door closes on passenger (slam door stock) whilst alighting
Train door closes on passenger (non‐slam door)
PPOBOARD‐H
Train door closes on passenger (non‐slam door stock) whilst boarding
PPOALIGH‐H
Train door closes on passenger (non‐slam door stock) whilst alighting
PPOOTHER‐H
Train door closes on passenger (non‐slam door stock) other/unknown
Pass. jour
Pass. jour
Pass. jour
3.25E‐09
2.58E‐09
1.08E‐09
Pass. jour
Pass. jour
Pass. jour
HEM‐06
HEM‐06
HEM‐06
HEM‐06
Passenger fall between train and platform
PFALLALIUH
Passenger fall between train and platform whilst alighting
PFALLOTHUH
Passenger fall between train and platform other/unknown
PFALLBOAUH
Passenger fall between train and platform whilst boarding
HEM‐07
HEM‐07
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
Pass. jour
1.48E‐09
Pass. jour
5.13E‐11
1.877
1.814
1.814
0.0630
0.0630
Pass. jour
4.41E‐10
0.5421
0.5421
0.0938
0.0938
100.00%
100.00%
1.19E‐07
8.14E‐08
2.43E‐08
284.7
8.488
3.992
3.166
1.331
276.2
146.3
99.97
29.90
0.7115
0.0384
0.0181
0.0143
0.0060
0.6731
0.3566
0.2436
0.0729
100.00%
5.40%
2.54%
2.01%
0.85%
94.60%
50.12%
34.24%
10.24%
Pass. jour
Pass. jour
Pass. jour
6.39E‐08
4.15E‐08
1.00E‐07
252.3
78.44
51.00
122.8
1.770
0.8712
0.4892
0.4093
Passenger fall out of train onto track at station
PTSGFALL‐H
Passenger fall out of train onto track at station
Pass. jour
5.73E‐10
0.7035
0.7035
HEM‐08
HEM‐08
HEM‐08
Passenger fall from platform and struck by train
PPLLFALL‐H
Passenger fall from platform and struck by train under influence of alcohol
PPLGFALL‐H
Passenger fall from platform and struck by train ‐ general causes
Pass. jour
Pass. jour
2.58E‐09
2.29E‐09
HEM‐09
HEM‐09A
HEM‐09A
HEM‐09A
HEM‐09A
HEM‐09A
Passenger injury while boarding/alighting train (platform side)
Passenger injury while alighting train (platform side)
PTASFALL‐H
Passenger injury while alighting stationary train
PTALFALL‐H
Passenger injury while alighting train under influence of alcohol
PTALLTSP‐H
Passenger injury while alighting on the cess side (long train at short platform)
PTAMFALL‐H
Passenger injury while alighting moving train
2.03E‐07
2.69E‐08
2.86E‐09
2.87E‐10
Version 6.1 – June 2009
Pass. jour
Pass. jour
Pass. jour
Pass. jour
0.0194
0.0146
0.0146
0.0049
0.0049
100.00%
74.99%
74.99%
25.01%
25.01%
D
‐
‐
‐
‐
‐
D
‐
‐
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
100.00%
49.23%
27.64%
23.13%
D
D
D
‐
‐
‐
‐
0.0302
0.0302
100.00%
100.00%
D
‐
‐
5.980
3.166
2.814
2.189
1.542
0.6461
100.00%
70.48%
29.52%
D
D
‐
‐
‐
507.6
286.3
249.4
33.07
3.518
0.3520
3.870
2.617
2.279
0.3022
0.0321
0.0032
100.00%
67.61%
58.89%
7.81%
0.83%
0.08%
D
D
D
D
‐
‐
‐
‐
‐
‐
D
D
D
53
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEM‐09B
HEM‐09B
HEM‐09B
HEM‐09B
Passenger injury while boarding train (platform side)
PTBSFALL‐H
Passenger injury while boarding stationary train
PTBLFALL‐H
Passenger injury while boarding train under influence of alcohol
PTBMFALL‐H
Passenger injury while boarding moving train
HEM‐10
HEM‐10A
HEM‐10A
HEM‐10B
HEM‐10B
HEM‐10 POS
HEM‐10 POS
Passenger struck by train while on platform
Passenger struck by train while on platform due to standing too close to platform edge
PPLSTR‐‐‐H
Passenger struck by train due to standing too close to platform edge
Passenger struck by train door while on platform
PPLSTD‐‐‐E
Passenger injury due to being hit by train door while on platform
Passenger on platform struck by train inside possession
PSTROTP‐OE
Passenger on platform struck by train inside possession
HEM‐11
HEM‐11A
Passenger struck by train while crossing track at station on crossing
Passenger struck/crushed by train on MCB + CCTV level crossing adjacent to station, outside possession
Passenger struck/crushed by train ‐ on MCB + CCTV at station ‐ user violation: climbs over PCCTVCLIMH
barrier/cattle grids
PCCTVTRAPH
Passenger struck/crushed by train ‐ on MCB + CCTV at station ‐ proper use: user trapped
PCCTVTRAIH
Passenger struck/crushed by train ‐ on MCB + CCTV at station ‐ proper use: train unexpected
Passenger struck/crushed by train on MCB level crossing adjacent to station, outside possession
Passenger struck/crushed by train ‐ on MCB at station ‐ user violation: climbs over PMCB‐CLIMH
barrier/cattle grids
PMCB‐TRAIH
Passenger struck/crushed by train ‐ on MCB at station ‐ proper use: train unexpected
Passenger struck/crushed by train on MG level crossing adjacent to station, outside possession
Passenger struck/crushed by train ‐ on MG at station ‐ user violation: climbs over PMCG‐CLIMH
barrier/cattle grids
PMCG‐TRAIH
Passenger struck/crushed by train ‐ on MG at station ‐ proper use: train unexpected
Passenger struck/crushed by train on ABCL level crossing adjacent to station, outside possession
PABCL2TRAH
Passenger struck/crushed by train ‐ on ABCL at station ‐ user error: second train coming
Passenger struck/crushed by train ‐ on ABCL at station ‐ proper use: slipped, tripped, fell or PABCLFALLH
snagged on crossing
PABCLFSLLH
Passenger struck/crushed by train ‐ on ABCL at station ‐ user violation: ignores lights/barriers
PABCLMALFF
Passenger struck/crushed by train ‐ on ABCL at station ‐ proper use: train unexpected
PABCLDOG‐H
Passenger struck/crushed by train ‐ on ABCL at station ‐ user error: distracted/forced by dog
PABCLUNAWH
Passenger struck/crushed by train ‐ on ABCL at station ‐ user error: unaware of crossing
Passenger struck/crushed by train ‐ on ABCL at station ‐ proper use: slow moving/short PABCLSLOWH
warning
HEM‐11A
HEM‐11A
HEM‐11A
HEM‐11B
HEM‐11B
HEM‐11B
HEM‐11C
HEM‐11C
HEM‐11C
HEM‐11D
HEM‐11D
HEM‐11D
HEM‐11D
HEM‐11D
HEM‐11D
HEM‐11D
HEM‐11D
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. jour
Pass. jour
Pass. jour
1.70E‐07
8.59E‐09
1.15E‐09
Pass. jour
7.45E‐09
Pass. jour
2.86E‐10
OTP hrs
2.76E‐09
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
221.3
209.3
10.55
1.407
1.253
1.186
0.0598
0.0080
32.39%
30.64%
1.54%
0.21%
9.504
9.146
9.146
0.3518
0.3518
0.0062
0.0062
1.316
1.314
1.314
0.0013
0.0013
4.80E‐04
4.80E‐04
100.00%
99.86%
99.86%
0.10%
0.10%
0.04%
0.04%
1.114
0.2006
0.9101
0.1640
100.00%
18.01%
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
Pass. jour
1.16E‐10
0.1426
0.1166
12.81%
D
‐
Pass. jour
Pass. jour
2.67E‐11
2.05E‐11
0.0328
0.0252
0.1316
0.0268
0.0206
0.1076
2.94%
2.27%
11.82%
E
E
‐
‐
‐
Pass. jour
9.60E‐11
0.1179
0.0964
10.59%
D
‐
Pass. jour
1.11E‐11
0.0137
0.0275
0.0112
0.0225
1.23%
2.47%
E
‐
‐
Pass. jour
2.01E‐11
0.0247
0.0202
2.21%
D
‐
Pass. jour
2.33E‐12
5.32E‐11
0.0023
0.0636
0.0534
0.26%
6.98%
5.86%
E
Pass. jour
0.0029
0.0778
0.0653
D
‐
‐
‐
Pass. jour
8.60E‐12
0.0106
0.0086
0.95%
D
‐
Pass. jour
Pass. jour
Pass. jour
Pass. jour
9.39E‐13
1.97E‐13
1.83E‐13
1.62E‐13
0.0012
2.42E‐04
2.25E‐04
1.99E‐04
9.42E‐04
1.98E‐04
1.84E‐04
1.63E‐04
0.10%
0.02%
0.02%
0.02%
E
E
E
E
‐
‐
‐
‐
Pass. jour
9.89E‐14
1.21E‐04
9.93E‐05
0.01%
E
‐
54
Table B
Hazardous Event Precursor code
Number
HEM‐11D
HEM‐11E
HEM‐11E
HEM‐11E
HEM‐11E
HEM‐11E
HEM‐11E
HEM‐11E
HEM‐11E
HEM‐11E
HEM‐11F
HEM‐11F
HEM‐11F
HEM‐11F
HEM‐11F
HEM‐11F
HEM‐11F
HEM‐11F
HEM‐11F
HEM‐11H
HEM‐11H
HEM‐11H
HEM‐11H
HEM‐11H
HEM‐11H
HEM‐11H
HEM‐11H
Cause precursor description
PABCLRTA‐H
Passenger struck/crushed by train ‐ on ABCL at station ‐ proper use: road traffic accident
Passenger struck/crushed on AHB level crossing adjacent to station, outside possession
PAHB‐2TRAH
Passenger struck/crushed by train ‐ on AHB at station ‐ user error: second train coming
Passenger struck/crushed by train ‐ on AHB at station ‐ proper use: slipped, tripped, fell or PAHB‐FALLH
snagged on crossing
PAHB‐WALKH
Passenger struck/crushed by train ‐ on AHB at station ‐ user violation: ignores lights/barriers
Passenger struck/crushed by train ‐ on AHB at station ‐ proper use: slow moving/short PAHB‐SLOWH
warning
PAHB‐MALFF
Passenger struck/crushed by train ‐ on AHB at station ‐ proper use: train unexpected
PAHB‐DOG‐H
Passenger struck/crushed by train ‐ on AHB at station ‐ user error: distracted/forced by dog
PAHB‐UNAWH
Passenger struck/crushed by train ‐ on AHB at station ‐ user error: unaware of crossing
PAHB‐RTA‐H
Passenger struck/crushed by train ‐ on AHB at station ‐ proper use: road traffic accident
Passenger struck/crushed on AOCL level crossing adjacent to station, outside possession
PAOCL2TRAH
Passenger struck/crushed by train ‐ on AOCL at station ‐ user error: second train coming
Passenger struck/crushed by train ‐ on AOCL at station ‐ proper use: slipped, tripped, fell or PAOCLFALLH
snagged on crossing
PAOCLFSLLH
Passenger struck/crushed by train ‐ on AOCL at station ‐ user violation: ignores lights
PAOCLMALFF
Passenger struck/crushed by train ‐ on AOCL at station ‐ proper use: train unexpected
PAOCLDOG‐H
Passenger struck/crushed by train ‐ on AOCL at station ‐ user error: distracted/forced by dog
PAOCLUNAWH
Passenger struck/crushed by train ‐ on AOCL at station ‐ user error: unaware of crossing
Passenger struck/crushed by train ‐ on AOCL at station ‐ proper use: slow moving/short PAOCLSLOWH
warning
PAOCLRTA‐H
Passenger struck/crushed by train ‐ on AOCL at station ‐ proper use: road traffic accident
Passenger struck/crushed on UWC + T level crossing adjacent to station, outside possession
PUWCT2TRAH
Passenger struck/crushed by train ‐ on UWC + T at station ‐ user error: second train
PUWCTSIGHH
Passenger struck/crushed by train ‐ on UWC + T at station ‐ user error: poor sighting
Passenger struck/crushed by train ‐ on UWC + T at station ‐ proper use: slipped, tripped, fell PUWCTFALLH
or snagged on crossing
Passenger struck/crushed by train ‐ on UWC + T at station ‐ user error: fails to stop, look and PUWCTFSLLH
listen
Passenger struck/crushed by train ‐ on UWC + T at station ‐ user violation: nips across in PUWCTNIP‐H
front of train
Passenger struck/crushed by train ‐ on UWC + T at station ‐ user error: distracted/forced by PUWCTDOG‐H
dog
PUWCTUNAWH
Passenger struck/crushed by train ‐ on UWC + T at station ‐ user error: unaware of crossing
Version 6.1 – June 2009
Normaliser
Pass. jour
National frequency (events/ normaliser)
1.45E‐15
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
Pass. jour
5.76E‐11
1.78E‐06
0.0854
0.0707
1.45E‐06
0.0698
0.0578
0.00%
7.67%
6.35%
E
D
‐
‐
‐
Pass. jour
1.02E‐11
0.0126
0.0103
1.13%
D
‐
Pass. jour
1.54E‐12
0.0019
0.0015
0.17%
E
‐
Pass. jour
7.88E‐14
9.68E‐05
7.91E‐05
0.01%
E
‐
Pass. jour
Pass. jour
Pass. jour
Pass. jour
3.24E‐14
3.01E‐14
2.66E‐14
5.67E‐15
5.37E‐12
3.25E‐05
3.02E‐05
2.67E‐05
5.69E‐06
0.0065
0.0054
0.00%
0.00%
0.00%
0.00%
0.71%
0.59%
E
E
E
E
Pass. jour
3.98E‐05
3.70E‐05
3.27E‐05
6.96E‐06
0.0080
0.0066
D
‐
‐
‐
‐
‐
‐
Pass. jour
9.55E‐13
0.0012
9.59E‐04
0.11%
D
‐
Pass. jour
Pass. jour
Pass. jour
Pass. jour
1.45E‐13
4.59E‐15
4.27E‐15
3.77E‐15
1.78E‐04
5.64E‐06
5.24E‐06
4.63E‐06
1.45E‐04
4.61E‐06
4.29E‐06
3.79E‐06
0.02%
0.00%
0.00%
0.00%
E
E
E
E
‐
‐
‐
‐
Pass. jour
2.30E‐15
2.83E‐06
2.31E‐06
0.00%
E
‐
Pass. jour
2.46E‐17
1.15E‐11
1.15E‐11
2.47E‐08
0.0253
0.0115
0.0115
0.00%
2.78%
1.26%
1.26%
E
Pass. jour
Pass. jour
3.02E‐08
0.0310
0.0141
0.0141
D
D
‐
‐
‐
‐
Pass. jour
2.01E‐12
0.0025
0.0020
0.22%
D
‐
Pass. jour
1.70E‐13
2.09E‐04
1.71E‐04
0.02%
E
‐
Pass. jour
1.21E‐13
1.48E‐04
1.21E‐04
0.01%
E
‐
Pass. jour
4.25E‐14
5.22E‐05
4.27E‐05
0.00%
E
‐
Pass. jour
2.60E‐15
3.20E‐06
2.61E‐06
0.00%
E
‐
55
Table B
Hazardous Event Precursor code
Number
HEM‐11H
HEM‐11H
HEM‐11I
HEM‐11I
HEM‐11I
HEM‐11I
HEM‐11I
HEM‐11I
HEM‐11I
HEM‐11I
HEM‐11I
HEM‐11K
HEM‐11K
HEM‐11K
HEM‐11K
HEM‐11K
HEM‐11K
HEM‐11K
HEM‐11K
HEM‐11L
HEM‐11L
HEM‐11L
HEM‐11L
HEM‐11L
HEM‐11L
HEM‐11L
HEM‐11L
Cause precursor description
PUWCTTRAIH
Passenger struck/crushed by train ‐ on UWC + T at station ‐ proper use: signaller error
PUWCTRTA‐H
Passenger struck/crushed by train ‐ on UWC + T at station ‐ proper use: road traffic accident
Passenger struck/crushed on UWC level crossing adjacent to station, outside possession
PUWC‐2TRAH
Passenger struck/crushed by train ‐ on UWC at station ‐ user error: second train
PUWC‐SIGHH
Passenger struck/crushed by train ‐ on UWC at station ‐ user error: poor sighting
Passenger struck/crushed by train ‐ on UWC at station ‐ proper use: slipped, tripped, fell or PUWC‐FALLJ
snagged on crossing
PUWC‐DOG‐H
Passenger struck/crushed by train ‐ on UWC at station ‐ user error: distracted/forced by dog
Passenger struck/crushed by train ‐ on UWC at station ‐ user error: fails to stop, look and listen
Passenger struck/crushed by train ‐ on UWC at station ‐ user violation: nips across in front of PUWC‐NIP‐H
train
PUWC‐UNAWH
Passenger struck/crushed by train ‐ on UWC at station ‐ user error: unaware of crossing
PUWC‐RTA‐H
Passenger struck/crushed by train ‐ on UWC at station ‐ proper use: road traffic accident
Passenger struck/crushed on FP + MWL level crossing adjacent to station, outside possession
PFPCM2TRAH
Passenger struck/crushed by train ‐ on FP MWL at station ‐ user error: second train
Passenger struck/crushed by train ‐ on FP MWL at station ‐ proper use: slipped, tripped, fell PFPCMFALLH
or snagged on crossing
PFPCMIGRLH
Passenger struck/crushed by train ‐ on FP MWL at station ‐ user violation: ignores lights
Passenger struck/crushed by train ‐ on FP MWL at station ‐ proper use: slow moving/short PFPCMSLOWH
warning
Passenger struck/crushed by train ‐ on FP MWL at station ‐ user error: distracted/forced by PFPCMDOG‐H
dog
PFPCMTRAIH
Passenger struck/crushed by train ‐ on FP MWL at station ‐ proper use: train unexpected
PFPCMUNAWH
Passenger struck/crushed by train ‐ on FP MWL at station ‐ user error: unaware of crossing
Passenger struck/crushed on FP level crossing adjacent to station, outside possession
PFPC‐2TRAH
Passenger struck/crushed by train ‐ on FP at station ‐ user error: second train
PFPC‐SIGHH
Passenger struck/crushed by train ‐ on FP at station ‐ user error: poor sighting
Passenger struck/crushed by train ‐ on FP at station ‐ user error: slipped, tripped, fell or PFPC‐FALLH
snagged on crossing
PFPC‐FSLLH
Passenger struck/crushed by train ‐ on FP at station ‐ user error: fails to stop, look and listen
Passenger struck/crushed by train ‐ on FP at station ‐ user violation: nips across in front of PFPC‐NIP‐H
train
PFPC‐DOG‐H
Passenger struck/crushed by train ‐ on FP at station ‐ user error: distracted/forced by dog
PFPC‐UNAWH
Passenger struck/crushed by train ‐ on FP at station ‐ user error: unaware of crossing
PUWC‐FSLLH
Version 6.1 – June 2009
Pass. jour
Pass. jour
National frequency (events/ normaliser)
3.11E‐16
3.48E‐17
Pass. jour
Pass. jour
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
1.63E‐14
1.63E‐14
3.82E‐07
4.28E‐08
4.40E‐05
2.00E‐05
2.00E‐05
3.12E‐07
3.50E‐08
3.60E‐05
1.63E‐05
1.63E‐05
0.00%
0.00%
0.00%
0.00%
0.00%
E
E
D
D
‐
‐
‐
‐
‐
Pass. jour
2.85E‐15
3.51E‐06
2.87E‐06
0.00%
D
‐
Pass. jour
2.28E‐16
2.80E‐07
2.29E‐07
0.00%
E
‐
Pass. jour
1.52E‐16
1.87E‐07
1.53E‐07
0.00%
E
‐
Pass. jour
8.84E‐17
1.09E‐07
8.87E‐08
0.00%
E
‐
Pass. jour
Pass. jour
9.21E‐18
1.33E‐19
1.74E‐11
9.23E‐09
1.01E‐10
0.0250
0.0175
0.00%
0.00%
2.74%
1.92%
E
E
Pass. jour
1.13E‐08
1.63E‐10
0.0306
0.0214
D
‐
‐
‐
‐
Pass. jour
6.40E‐12
0.0079
0.0064
0.71%
D
‐
Pass. jour
7.38E‐13
9.06E‐04
7.40E‐04
0.08%
E
‐
Pass. jour
1.53E‐13
1.88E‐04
1.53E‐04
0.02%
E
‐
Pass. jour
1.25E‐13
1.54E‐04
1.25E‐04
0.01%
E
‐
Pass. jour
Pass. jour
3.05E‐14
2.51E‐14
2.51E‐11
2.51E‐11
3.06E‐05
2.51E‐05
0.0555
0.0252
0.0252
0.00%
0.00%
6.10%
2.77%
2.77%
E
E
Pass. jour
Pass. jour
3.74E‐05
3.08E‐05
0.0679
0.0308
0.0308
D
D
‐
‐
‐
‐
‐
Pass. jour
4.40E‐12
0.0054
0.0044
0.49%
D
‐
Pass. jour
4.06E‐13
4.98E‐04
4.07E‐04
0.04%
E
‐
Pass. jour
2.17E‐13
2.66E‐04
2.18E‐04
0.02%
E
‐
Pass. jour
Pass. jour
8.87E‐14
2.54E‐14
1.09E‐04
3.11E‐05
8.91E‐05
2.54E‐05
0.01%
0.00%
E
E
‐
‐
56
Table B
Hazardous Event Precursor code
Number
HEM‐11M
HEM‐11M
HEM‐11M
HEM‐11M
HEM‐11M
HEM‐11M
HEM‐11M
HEM‐11M
HEM‐11N
HEM‐11N
HEM‐11N
HEM‐11N
HEM‐11N
HEM‐11N
HEM‐11N
HEM‐11N
Cause precursor description
Passenger struck/crushed on station pedestrian crossing with MWL, outside possession
Passenger struck/crushed by train ‐ on station pedestrian crossing with MWL ‐ user error: PSPWL2TRAH
second train coming
Passenger struck/crushed by train ‐ on station pedestrian crossing with MWL ‐ proper use: PSPWLFALLH
slipped, tripped, fell or snagged on crossing
Passenger struck/crushed by train ‐ on station pedestrian crossing with MWL ‐ user violation: PSPWLIGRLH
ignores lights
Passenger struck/crushed by train ‐ on station pedestrian crossing with MWL ‐ proper use: PSPWLSLOWH
slow moving/short warning
Passenger struck/crushed by train ‐ on station pedestrian crossing with MWL ‐ user error: PSPWLDOG‐H
distracted/forced by dog
Passenger struck/crushed by train ‐ on station pedestrian crossing with MWL ‐ proper use: PSPWLMALFF
train undetected/lights fail
Passenger struck/crushed by train ‐ on station pedestrian crossing with MWL ‐ user error: PSPWLUNAWH
unaware of crossing
Passenger struck/crushed by train on station pedestrian crossing (no lights), outside possession
Passenger struck/crushed by train ‐ on station pedestrian crossing ‐ user error: second train PSPC‐2TRAH
coming
PSPC‐SIGHH
Passenger struck/crushed by train ‐ on station pedestrian crossing ‐ user error: poor sighting
Passenger struck/crushed by train ‐ on station pedestrian crossing ‐ proper use: slipped, PSPC‐FALLH
tripped, fell or snagged on crossing
PSPC‐FSLLH
Passenger struck/crushed by train ‐ on station pedestrian crossing ‐ user violation
Passenger struck/crushed by train ‐ on station pedestrian crossing ‐ user violation: nips PSPC‐NIP‐H
across in front of train
Passenger struck/crushed by train ‐ on station pedestrian crossing ‐ user error: PSPC‐DOGH
distracted/forced by dog
Passenger struck/crushed by train ‐ on station pedestrian crossing ‐ user error: unaware of PSPC‐UNAWH
crossing Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.1509
0.1234
13.56%
‐
Pass. jour
9.87E‐11
0.1212
0.0991
10.89%
D
‐
Pass. jour
1.81E‐11
0.0223
0.0182
2.00%
D
‐
Pass. jour
4.18E‐12
0.0051
0.0042
0.46%
E
‐
Pass. jour
8.66E‐13
0.0011
8.69E‐04
0.10%
E
‐
Pass. jour
7.09E‐13
8.70E‐04
7.11E‐04
0.08%
E
‐
Pass. jour
1.73E‐13
2.12E‐04
1.73E‐04
0.02%
E
‐
Pass. jour
1.42E‐13
1.74E‐04
1.42E‐04
0.02%
0
‐
0.2150
0.1757
19.31%
0.0977
0.0799
8.78%
Pass. jour
7.96E‐11
‐
D
‐
Pass. jour
7.96E‐11
0.0977
0.0799
8.78%
D
‐
Pass. jour
1.36E‐11
0.0167
0.0136
1.50%
D
‐
Pass. jour
1.29E‐12
0.0016
0.0013
0.14%
E
‐
Pass. jour
6.88E‐13
8.45E‐04
6.91E‐04
0.08%
E
‐
Pass. jour
2.81E‐13
3.46E‐04
2.82E‐04
0.03%
E
‐
Pass. jour
8.04E‐14
9.87E‐05
8.07E‐05
0.01%
E
‐
57
Table B
Hazardous Event Precursor code
Number
HEM‐11O
Cause precursor description
HEM‐11 POS
HEM‐11 POS
Passenger struck/crushed on station barrow crossing with lights, outside possession
Passenger struck/crushed by train ‐ on station barrow crossing with lights ‐ proper use: PSBWLFALLH
slipped, tripped, fell or snagged on crossing
Passenger struck/crushed by train ‐ on station barrow crossing with lights ‐ user violation: PSBWLUNACH
unauthorised use
PSBWLPASEH
Passenger struck/crushed by train ‐ on station barrow crossing with lights ‐ user error
PSBWLWFE‐H
Passenger struck/crushed by train ‐ on station barrow crossing with lights ‐ workforce error
Passenger struck/crushed by train ‐ on station barrow crossing with lights ‐ user error: PSBWLDOG‐H
distracted/forced by dog
Passenger struck/crushed by train ‐ on station barrow crossing with lights ‐ proper use: train PSBWLMALFF
undetected/lights fail
Passenger struck/crushed by train ‐ on station barrow crossing with lights ‐ user error: PSBWLUNAWH
unaware of crossing
Passenger struck/crushed on station barrow crossing (no lights), outside possession
Passenger struck/crushed by train ‐ on station barrow crossing ‐ user violation: unauthorised PSBC‐UNACH
use
Passenger struck/crushed by train ‐ on station barrow crossing ‐ proper use: slipped, tripped, PSBC‐FALLH
fell or snagged on crossing
PSBC‐PASEH
Passenger struck/crushed by train ‐ on station barrow crossing ‐ passenger error
PSBC‐WFE‐H
Passenger struck/crushed by train ‐ on station barrow crossing ‐ workforce error
Passenger struck/crushed by train ‐ on station barrow crossing ‐ user error: distracted/forced PSBC‐DOGH
by dog
Passenger struck/crushed by train ‐ on station barrow crossing ‐ user error: unaware of PSBC‐UNAWH
crossing
Passenger struck/crushed while crossing track at station on crossing by a train inside possession
PSTRXOTPOE
Passenger struck/crushed ‐ on crossing at station by train inside a possession ‐ user error
HEM‐12
HEM‐12A
HEM‐12A
HEM‐12A
HEM‐12 POS
HEM‐12 POS
HEM‐12 POS
Adult/child trespasser struck while crossing track at station
Adult/child trespasser struck while crossing track at station
KATRESTN‐H
Adult trespasser struck while crossing track at station
JCTRESTN‐H
Child trespasser struck while crossing track at station
Adult/child trespasser struck while crossing track at station inside possession
OTRESTN‐OH
Adult trespasser struck by a train while crossing track at station inside possession
OTRJSTN‐OH
Child trespasser struck by a train while crossing track at station inside possession
HEM‐11O
HEM‐11O
HEM‐11O
HEM‐11O
HEM‐11O
HEM‐11O
HEM‐11O
HEM‐11P
HEM‐11P
HEM‐11P
HEM‐11P
HEM‐11P
HEM‐11P
HEM‐11P
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0060
0.0049
0.54%
‐
Pass. jour
2.61E‐12
0.0032
0.0026
0.29%
D
‐
Pass. jour
1.38E‐12
0.0017
0.0014
0.15%
D
‐
Pass. jour
Pass. jour
4.68E‐13
2.34E‐13
5.75E‐04
2.87E‐04
4.70E‐04
2.35E‐04
0.05%
0.03%
E
E
‐
‐
Pass. jour
1.19E‐13
1.46E‐04
1.19E‐04
0.01%
E
‐
Pass. jour
2.90E‐14
3.56E‐05
2.91E‐05
0.00%
E
‐
Pass. jour
2.38E‐14
2.93E‐05
2.39E‐05
0.00%
E
‐
0.0804
0.0657
7.22%
‐
Pass. jour
5.39E‐11
0.0662
0.0541
5.95%
D
‐
Pass. jour
6.98E‐12
0.0086
0.0070
0.77%
D
‐
Pass. jour
Pass. jour
2.37E‐12
1.18E‐12
0.0029
0.0015
0.0024
0.0012
0.26%
0.13%
E
E
‐
‐
Pass. jour
7.77E‐13
9.54E‐04
7.80E‐04
0.09%
E
‐
Pass. jour
2.22E‐13
2.73E‐04
2.23E‐04
0.02%
E
‐
OTP hrs
3.37E‐10
7.62E‐04
7.62E‐04
6.23E‐04
6.23E‐04
0.07%
0.07%
E
‐
‐
5.129
5.125
5.000
0.1250
0.0035
0.0034
8.56E‐05
3.497
3.495
3.410
0.0852
0.0024
0.0023
5.84E‐05
100.00%
99.93%
97.49%
2.44%
0.07%
0.07%
0.00%
Tot trn kms
Tot trn kms
9.36E‐09
2.34E‐10
OTP hrs
OTP hrs
1.51E‐09
3.79E‐11
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
58
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEM‐13
HEM‐13
Train crowding leading to passenger injury
POVERCR‐‐H
Train crowding leading to passenger injury
HEM‐14
HEM‐14A
HEM‐14A
HEM‐14A
HEM‐14A
HEM‐14A
HEM‐14A
HEM‐14A
HEM‐14A
HEM‐14B
HEM‐14B
Workforce (not track worker) struck/crushed by train
Workforce (not track worker) struck/crushed by train outside possession
GTDINATT‐H
Train crew (driver) inattention while on track leading to being struck/crushed by train
TDSTRFALLH
Train crew (driver) struck by train following slip, trip or fall
TDSTRTRK‐H
Train crew (driver) struck/crushed while taking short cuts across lines
OWSTRFALLH
Other workforce struck by train following slip, trip or fall
OWSTRTRK‐H
Other workforce struck/crushed while taking short cuts across lines
TCSTRFALLH
Train crew (other) struck by train following slip, trip or fall
TCSTRTRK‐H
Train crew (other) struck/crushed while taking short cuts across lines
Workforce (not track worker) struck/crushed by train outside possession (error during coupling)
GOWCOCRU‐H
Other workforce error during coupling/uncoupling leading to being struck/crushed by train
HEM‐14B
GTDCOCRU‐H
HEM‐14 POS
HEM‐14 POS
HEM‐14 POS
HEM‐14 POS
HEM‐14 POS
Workforce (not track worker) struck/crushed by train inside possession
GTCSCOTPOE
Train crew (other) struck/crushed by train inside possession
GTDSCOTPOE
Train crew (driver) struck/crushed by train inside possession
GTCSTOTPOH
Train crew (other) struck/crushed by train during coupling/uncoupling inside possession
GTDSTOTPOH
Train crew (driver) struck/crushed by train during coupling/uncoupling inside possession
HEM‐15
HEM‐15A
HEM‐15A
HEM‐15A
HEM‐15 POS
HEM‐15 POS
HEM‐15 POS
HEM‐15 POS
Workforce fall from train in running
Train crew fall from train in running outside possession
GTCFAFRT‐H
Train crew (other) falls from train in running
GTDFAFRT‐H
Train crew (driver) falls from train in running
Workforce fall from train in running inside possession
GTWFAFRT‐H
Track worker fall from train in running inside possession
GTCFAOTP‐H
Train crew (other) fall from train in running inside possession
GTDFAOTP‐H
Train crew (driver) fall from train in running inside possession
HEM‐16
HEM‐16A
HEM‐16A
HEM‐16A
HEM‐16A
HEM‐16A
Workforce injury while boarding/alighting train
Workforce injury while alighting train to platform outside possession
GTCALPLT‐H
Train crew (other) injury while alighting train to platform
GOWALPLT‐H
Other workforce injury while alighting train to platform
GTDALPLT‐H
Train crew (driver) injury while alighting train to platform
GTWALPLT‐H
Track worker injury while alighting train to platform
Train crew (driver) error during coupling/uncoupling leading to being struck/crushed by train
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. jour
7.16E‐09
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
8.794
8.794
0.0623
0.0623
100.00%
100.00%
0.4326
0.2732
0.2351
0.0096
0.0096
0.0084
0.0084
9.54E‐04
9.54E‐04
0.0255
0.0204
100.00%
63.14%
54.35%
2.23%
2.23%
1.95%
1.95%
0.22%
0.22%
5.89%
4.71%
D
E
E
E
E
E
E
D
‐
‐
Pass. jour
3.01E‐11
0.5507
0.3319
0.2857
0.0117
0.0117
0.0102
0.0102
0.0012
0.0012
0.0462
0.0370
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
Tot trn kms
1.73E‐11
0.0092
0.0051
1.18%
D
‐
OTP hrs
OTP hrs
OTP hrs
OTP hrs
4.21E‐08
2.11E‐08
8.76E‐09
4.38E‐09
0.1726
0.0952
0.0476
0.0198
0.0099
0.1340
0.0784
0.0392
0.0109
0.0055
30.97%
18.12%
9.06%
2.53%
1.26%
D
D
E
E
‐
‐
‐
‐
‐
0.2358
0.0243
0.0121
0.0121
0.2116
0.1007
0.0940
0.0168
100.00%
10.28%
5.14%
5.14%
89.72%
42.72%
39.87%
7.12%
0.8090
0.4615
0.3469
0.0639
0.0502
4.35E‐04
100.00%
57.04%
42.88%
7.90%
6.21%
0.05%
Tot trn kms
Tot trn kms
Tot trn kms
Pass. jour
Pass. jour
Pass. trn kms
Pass. trn kms
5.35E‐10
2.19E‐11
2.19E‐11
8.34E‐12
8.34E‐12
2.56E‐12
2.56E‐12
Pass. trn kms
Tot trn kms
3.15E‐10
2.68E‐10
OTP hrs
OTP hrs
OTP hrs
3.79E‐07
3.54E‐07
6.32E‐08
2.086
0.2857
0.1429
0.1429
1.800
0.8571
0.8000
0.1429
1.68E‐07
1.14E‐08
2.06E‐08
1.73E‐09
198.7
101.1
76.00
14.00
11.00
0.0952
Pass. trn kms
Pass. jour
Tot trn kms
Trk wkr hrs
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
D
D
D
D
‐
‐
‐
‐
‐
‐
D
D
59
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEM‐16B
HEM‐16B
HEM‐16B
HEM‐16B
HEM‐16B
HEM‐16C
HEM‐16C
HEM‐16C
HEM‐16C
HEM‐16C
HEM‐16D
HEM‐16D
HEM‐16D
HEM‐16D
HEM‐16D
HEM‐16 POS
HEM‐16 POS
HEM‐16 POS
HEM‐16 POS
HEM‐16 POS
HEM‐16 POS
HEM‐16 POS
Workforce injury while alighting train to track outside possession
GTDALTRK‐H
Train crew (driver) injury while alighting train to track
GTCALTRK‐H
Train crew (other) injury while alighting train to track
GTWALTRK‐H
Track worker injury while alighting train to track
GOWALTRK‐H
Other workforce injury while alighting train to track
Workforce injury while boarding train from platform outside possession
GTCBOPLT‐H
Train crew (other) injury while boarding train from platform
GTDBOPLT‐H
Train crew (driver) injury while boarding train from platform
GOWBOPLT‐H
Other workforce injury while boarding train from platform
GTWBOPLT‐H
Track worker injury while boarding train from platform
Workforce injury while boarding train from track outside possession
GTDBOTRK‐H
Train crew (driver) injury while boarding train from track
GTCBOTRK‐H
Train crew (other) injury while boarding train from track
GOWBOTRK‐H
Other workforce injury while boarding train from track
GTWBOTRK‐H
Track worker injury while boarding train from track
Workforce injury while boarding/alighting inside possession
GTWALOTPOE
Track worker injury while alighting inside possession
GTDBAOTPOE
Train crew (driver) injury while boarding inside possession
GTCALOTPOE
Train crew (other) injury while alighting inside possession
GTDALOTPOE
Train crew (driver) injury while alighting inside possession
GTCBAOTPOE
Train crew (other) injury while boarding inside possession
GTWBAOTPOE
Track worker injury while boarding inside possession
HEM‐17
HEM‐17A
HEM‐17A
HEM‐17A
HEM‐17 POS
HEM‐17 POS
HEM‐17 POS
HEM‐17 POS
Workforce struck while leaning out of train (train in running)
Train crew struck while leaning out of train outside possession
GTCSTRLE‐H
Train crew (other) struck while leaning out of train
GTDSTRLE‐H
Train crew (driver) struck while leaning out of train
Workforce struck while leaning out of train inside possession
GTWSTRLE‐H
Track worker struck while leaning out of on‐track machine/vehicle
GTCSLOTPOH
Train crew (other) struck while leaning out of train inside possession
GTDSLOTPOH
Train crew (driver) struck while leaning out of train inside possession
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Tot trn kms
Pass. trn kms
Trk wkr hrs
Pass. jour
3.25E‐08
5.89E‐09
4.86E‐08
8.14E‐10
Pass. trn kms
Tot trn kms
Pass. jour
Trk wkr hrs
7.58E‐08
2.62E‐08
8.14E‐09
8.67E‐10
Tot trn kms
Pass. trn kms
Pass. jour
Trk wkr hrs
1.50E‐08
2.84E‐09
6.51E‐10
7.29E‐09
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
OTP hrs
8.84E‐07
5.90E‐07
3.54E‐07
1.90E‐07
1.47E‐07
8.84E‐08
Pass. trn kms
Tot trn kms
2.21E‐09
1.87E‐09
OTP hrs
OTP hrs
OTP hrs
3.03E‐08
1.96E‐08
1.33E‐08
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
23.67
17.33
2.667
2.667
1.000
58.38
34.33
14.00
10.00
0.0476
10.49
8.000
1.286
0.8000
0.4000
5.095
2.000
1.333
0.8000
0.4286
0.3333
0.2000
0.1051
0.0770
0.0118
0.0118
0.0044
0.1591
0.0935
0.0381
0.0272
1.30E‐04
0.0587
0.0448
0.0072
0.0045
0.0022
0.0248
0.0089
0.0075
0.0036
0.0019
0.0019
0.0011
12.99%
9.51%
1.46%
1.46%
0.55%
19.66%
11.56%
4.71%
3.37%
0.02%
7.25%
5.53%
0.89%
0.55%
0.28%
3.06%
1.10%
0.92%
0.44%
0.24%
0.23%
0.14%
2.143
2.000
1.000
1.000
0.1429
0.0686
0.0443
0.0300
0.0113
0.0105
0.0053
0.0053
7.53E‐04
3.61E‐04
2.33E‐04
1.58E‐04
100.00%
93.33%
46.67%
46.67%
6.67%
3.20%
2.07%
1.40%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
60
Table B
Hazardous Event Precursor code
Number
HEM‐19
HEM‐19A
HEM‐19A
HEM‐19A
HEM‐19A
HEM‐19A
HEM‐19A
HEM‐19A
HEM‐19A
HEM‐19A
HEM‐19A
HEM‐19A
HEM‐19A
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
HEM‐19 POS
Cause precursor description
Track worker struck/crushed by train
Track worker struck/crushed by train outside possession
GSTR‐‐‐‐UH
Track worker struck/crushed by train due to straying onto the running line
Track worker struck/crushed by train due to failure to move out of the path of the train GFAILA‐‐UH
(aware of train)
Track worker struck/crushed by train due to failure to move out of the path of the train (not GFAILN‐‐UH
aware of train)
GFSAFW‐‐UH
Track worker struck/crushed by train due to a failure of the safe system of work
GCOM‐‐‐‐UH
Track worker struck/crushed by train due to a failure in communication
GSTF‐‐‐‐UH
Track worker struck/crushed by train due to a slip, trip or fall
GLOF‐‐‐‐UH
Track worker struck/crushed by train due to a failure of the lookout
GALIT‐‐‐‐UH
Track worker struck/crushed by train due to alighting from train in error
FWAG‐‐‐‐FH
Track worker struck/crushed by train / wagons not secured correctly
GSHUNT‐‐UH
Track worker struck/crushed by train during shunting movements
GGGE‐‐‐‐UH
Track worker struck/crushed by out of gauge item on passing train
Track worker struck/crushed by train inside possession
GBRP‐‐OTPF
Track worker struck/crushed by train due to train control failure ‐ inside possession
GALIT‐‐OTPH
Track worker struck/crushed by train due to alighting from train in error ‐ inside possession
Track worker struck/crushed by train due to failure to move out of the path of the train GFAILAOTPH
(aware of train) ‐ inside possession
Track worker struck/crushed by train due to a failure of the safe system of work ‐ inside GFSAFWOTPH
possession
GSTF‐‐OTPH
Track worker struck/crushed by train due to a slip, trip or fall ‐ inside possession
GCOM‐‐OTPH
Track worker struck/crushed by train due to a failure in communication ‐ inside possession
Track worker struck/crushed by train due to driver/machine operator error ‐ inside GDRV‐‐OTPH
possession
Track worker struck/crushed by train due to failure to move out of the path of the train (not GFAILNOTPH
aware of train) ‐ inside possession
Track worker struck/crushed by train due to incorrect possession initiation/removal GPOS‐‐OTPH
arrangements
GGGE‐‐OTPH
Track worker struck/crushed by out of gauge item on passing train ‐ inside possession GSTL‐‐OTPH
Track worker struck/crushed by train due to straying out of possession onto the running line
GSHUNTOTPH
Track worker struck/crushed by train during shunting movements ‐ inside possession
Track worker struck/crushed by train wrongly inside possession due to signal passed at GSPD‐‐OTPH
danger
Track worker struck/crushed by train wrongly inside possession due to wrongside signal GSPOS‐OTPE
failure
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
Trk wkr hrs
1.36E‐08
4.500
2.616
0.7488
Trk wkr hrs
8.93E‐09
0.4903
2.048
1.190
0.2883
100.00%
58.12%
14.08%
D
‐
‐
‐
0.2455
11.99%
D
‐
Trk wkr hrs
8.93E‐09
0.4903
0.2455
11.99%
D
‐
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
6.60E‐09
2.08E‐09
2.08E‐09
1.36E‐09
1.59E‐09
8.53E‐10
9.24E‐10
6.58E‐10
5.50E‐09
5.50E‐09
0.1816
0.0572
0.0440
0.0375
0.0336
0.0235
0.0195
0.0139
0.8577
0.1513
0.1163
8.87%
2.79%
2.15%
1.83%
1.64%
1.15%
0.95%
0.68%
41.88%
7.39%
5.68%
D
D
D
E
E
E
E
E
Trk wkr hrs
Trk wkr hrs
0.3625
0.1142
0.1142
0.0748
0.0873
0.0468
0.0507
0.0361
1.884
0.3021
0.3021
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
Trk wkr hrs
3.59E‐09
0.1972
0.0987
4.82%
D
‐
Trk wkr hrs
3.59E‐09
0.1972
0.0987
4.82%
D
‐
Trk wkr hrs
Trk wkr hrs
3.59E‐09
1.73E‐09
0.1972
0.0952
0.0759
0.0477
3.71%
2.33%
D
D
‐
‐
Trk wkr hrs
1.73E‐09
0.0952
0.0477
2.33%
D
‐
Trk wkr hrs
1.73E‐09
0.0952
0.0477
2.33%
D
‐
Trk wkr hrs
1.73E‐09
0.0952
0.0477
2.33%
D
‐
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
1.73E‐09
1.73E‐09
9.26E‐10
0.0952
0.0952
0.0508
0.0367
0.0367
0.0196
1.79%
1.79%
0.96%
D
D
E
‐
‐
‐
Trk wkr hrs
4.78E‐10
0.0262
0.0131
0.64%
E
‐
Trk wkr hrs
3.62E‐10
0.0199
0.0099
0.49%
E
‐
61
Table B
Hazardous Event Precursor code
Number
Cause precursor description
Normaliser
HEM‐19 POS
GWAG‐‐OTPH
Track worker struck/crushed by train / wagons not secured correctly ‐ inside possession
Trk wkr hrs
HEM‐20
HEM‐20A
HEM‐20A
HEM‐20A
HEM‐20A
HEM‐20A
HEM‐20A
HEM‐20A
HEM‐20B
HEM‐20B
HEM‐20B
HEM‐20 POS
HEM‐20 POS
HEM‐20 POS
HEM‐20 POS
HEM‐20 POS
HEM‐20 POS
HEM‐20 POS
Workforce struck by flying object (includes objects thrown by OTM movements outside a possession)
Workforce (non‐track worker) struck by small flying object disturbed by or thrown from passing train outside possession
GTCSTFLY‐P
Train crew (other) struck by other flying object
Pass. trn kms
GTCSTGRT‐P
Train crew (other) struck by grit/dust
Pass. trn kms
GTDSTGRT‐P
Train crew (driver) struck by grit/dust
Tot trn kms
GTDSTFLY‐P
Train crew (driver) struck by other flying object
Tot trn kms
GOWSTGRT‐P
Other workforce struck by grit/dust
Pass. jour
GOWSTFLY‐P
Other workforce struck by other flying object
Pass. jour
Track worker struck by flying object disturbed by or thrown from passing train outside possession
GTWSTFLY‐P
Track worker struck by other flying object
Trk wkr hrs
GTWSTGRT‐P
Track worker struck by grit/dust
Trk wkr hrs
Workforce struck by flying object inside possession
GTWFYOTPOE
Track worker struck by other flying object inside possession
OTP hrs
GTCFYOTPOE
Train crew (other) struck by other flying object inside possession
OTP hrs
GTDFYOTPOE
Train crew (driver) struck by other flying object inside possession
OTP hrs
GTWGDTPOSE
Track worker struck by grit/dust inside possession
OTP hrs
GTCGDTPOSE
Train crew (other) struck by grit/dust inside possession
OTP hrs
GTDGDTPOSE
Train crew (driver) struck by grit/dust inside possession
OTP hrs
HEM‐21
HEM‐21A
HEM‐21A
HEM‐21A
HEM‐21A
HEM‐21A
HEM‐21A
HEM‐21A
HEM‐21A
HEM‐21A
HEM‐21A
HEM‐21A
HEM‐21A
Workforce fall between train and platform
Workforce fall between train and platform
GTCFALLAUH
Train crew (other) fall between train and platform whilst alighting
GTCFALLOUH
Train crew (other) fall between train and platform other/unknown
GOWFALLAUH
Other workforce fall between train and platform whilst alighting
GTDFALLAUH
Train crew (driver) fall between train and platform whilst alighting
GOWFALLOUH
Other workforce fall between train and platform other
GTCFALLBUH
Train crew (other) fall between train and platform whilst boarding
GOWFALLBUH
Other workforce fall between train and platform whilst boarding
GTDFALLOUH
Train crew (driver) fall between train and platform other/unknown
GTDFALLBUH
Train crew (driver) fall between train and platform whilst boarding
GTWFALLAUH
Track worker fall between train and platform whilst alighting
GTWFALLBUH
Track worker fall between train and platform whilst boarding
Version 6.1 – June 2009
Pass. trn kms
Pass. trn kms
Pass. jour
Tot trn kms
Pass. jour
Pass. trn kms
Pass. jour
Tot trn kms
Tot trn kms
Trk wkr hrs
Trk wkr hrs
National frequency (events/ normaliser)
3.62E‐10
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0199
0.0099
0.49%
2.65E‐07
1.26E‐07
6.32E‐08
1.26E‐07
3.61E‐08
1.80E‐08
34.51
25.93
5.333
9.000
5.333
2.667
2.600
1.000
7.143
5.000
2.143
1.437
0.6000
0.2857
0.1429
0.2857
0.0816
0.0408
0.1237
0.0604
0.0170
0.0169
0.0100
0.0085
0.0049
0.0032
0.0525
0.0485
0.0040
0.0107
0.0058
0.0028
0.0014
5.35E‐04
1.53E‐04
7.65E‐05
100.00%
48.82%
13.73%
13.64%
8.08%
6.86%
3.94%
2.57%
42.49%
39.24%
3.25%
8.69%
4.71%
2.24%
1.12%
0.43%
0.12%
0.06%
5.81E‐08
6.40E‐08
6.51E‐09
1.37E‐08
6.79E‐09
3.97E‐08
4.61E‐09
4.37E‐09
4.50E‐09
8.67E‐10
4.34E‐10
107.6
107.5
26.33
29.00
8.000
7.333
8.333
18.00
5.667
2.333
2.400
0.0476
0.0238
0.5353
0.5345
0.1821
0.1397
0.0553
0.0507
0.0401
0.0379
0.0119
0.0112
0.0051
3.29E‐04
5.02E‐05
100.00%
99.85%
34.02%
26.10%
10.33%
9.47%
7.50%
7.08%
2.23%
2.10%
0.94%
0.06%
0.01%
1.18E‐08
1.99E‐08
9.99E‐09
4.99E‐09
2.12E‐09
8.14E‐10
9.11E‐08
3.90E‐08
E
‐
D
D
E
D
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
D
D
D
D
D
D
D
D
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
D
D
D
D
D
D
D
62
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEM‐21 POS
HEM‐21 POS
HEM‐21 POS
HEM‐21 POS
Workforce fall between train and platform inside possession
GTWTPPOS‐H
Track worker fall between train and platform inside possession
GTDTPPOS‐H
Train crew (driver) fall between train and platform inside possession
GTCTPPOS‐H
Train crew (other) fall between train and platform inside possession
HEM‐22
HEM‐22
HEM‐22
Workforce fall out of train onto track at station
GTCFATRK‐H
Train crew (other) fall out of train onto track at station
GTDFATRK‐H
Train crew (driver) fall out of train onto track at station
HEM‐23
HEM‐23A
HEM‐23A
HEM‐23A
HEM‐23A
HEM‐23A
HEM‐23 POS
HEM‐23 POS
HEM‐23 POS
HEM‐23 POS
Train door closes on workforce
Train door closes on workforce
GTCEXTDO‐E
External train door closes on train crew (other)
GTDEXTDO‐E
External train door closes on train crew (driver)
GOWEXTDO‐E
External train door closes on other workforce
GTWEXTDO‐E
External train door closes on track worker
Train door closes on workforce inside possession
GTDEXDPOSE
External train door closes on train crew (driver) inside possession
GTWEXDPOSE
External train door closes on track worker inside possession
GTCEXDPOSE
External train door closes on train crew (other) inside possession
HEM‐25
HEM‐25A
HEM‐25A
HEM‐25 POS
HEM‐25 POS
Adult trespasser struck/crushed while on the mainline railway
Adult trespasser struck/crushed while on the mainline railway outside possession
KADTRES‐‐H
Adult trespasser struck/crushed by train on NRMI
Adult trespasser struck/crushed by train inside possession
KSTROTP‐OH
Adult trespasser struck/crushed by train inside possession
HEM‐26
HEM‐26A
HEM‐26A
HEM‐26 POS
HEM‐26 POS
Child trespasser struck/crushed while on mainline railway
Child trespasser struck/crushed while on mainline railway outside possession
JCHTRES‐‐H
Child trespasser struck/crushed by train on NRMI
Child trespasser struck/crushed by train inside possession
JSTROTP‐OH
Child trespasser struck/crushed by train inside possession
HEM‐27
HEM‐27A
HEM‐27A
HEM‐27A
HEM‐27A
MOP pedestrian struck/crushed by train on level crossing or footpath crossing
MOP pedestrian struck/crushed by train on MCB + CCTV level crossing, outside possession
KCCTVCLIMH
MOP pedestrian struck/crushed by train ‐ on MCB + CCTV ‐ user violation: climbs over barrier
KCCTVTRAPH
MOP pedestrian struck/crushed by train ‐ on MCB + CCTV ‐ proper use: user trapped
KCCTVTRAIH
MOP pedestrian struck/crushed by train ‐ on MCB + CCTV ‐ proper use: train unexpected
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
OTP hrs
OTP hrs
OTP hrs
3.16E‐08
2.53E‐08
1.62E‐08
0.1653
0.0714
0.0572
0.0367
8.01E‐04
3.46E‐04
2.77E‐04
1.78E‐04
0.15%
0.06%
0.05%
0.03%
E
E
E
‐
‐
‐
‐
Pass. trn kms
Tot trn kms
1.47E‐10
6.24E‐11
0.1000
0.0667
0.0333
0.0043
0.0029
0.0014
100.00%
66.67%
33.33%
E
E
‐
‐
‐
72.36
70.67
32.00
24.00
14.33
0.3333
1.696
0.8571
0.7143
0.1250
0.2114
0.2065
0.0935
0.0701
0.0419
9.74E‐04
0.0050
0.0025
0.0021
3.65E‐04
100.00%
97.66%
44.22%
33.17%
19.81%
0.46%
2.34%
1.18%
0.99%
0.17%
35.26
35.20
35.20
0.0644
0.0644
23.97
23.94
23.94
0.0250
0.0250
100.00%
99.90%
99.90%
0.10%
0.10%
1.853
1.851
1.851
0.0019
0.0019
100.00%
99.90%
99.90%
0.10%
0.10%
7.319
0.6505
0.5644
0.0487
0.0375
100.00%
8.89%
7.71%
0.67%
0.51%
Pass. trn kms
Tot trn kms
Pass. jour
Trk wkr hrs
7.07E‐08
4.50E‐08
1.17E‐08
6.07E‐09
OTP hrs
OTP hrs
OTP hrs
3.79E‐07
3.16E‐07
5.53E‐08
Tot trn kms
6.59E‐08
OTP hrs
2.85E‐08
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
Tot trn kms
3.75E‐09
OTP hrs
1.62E‐09
2.004
2.000
2.000
0.0037
0.0037
0.0018
1.57E‐04
1.21E‐04
8.954
0.7959
0.6905
0.0596
0.0459
LXs: MCB + CCTV
LXs: MCB + CCTV
LXs: MCB + CCTV
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
‐
‐
‐
‐
‐
D
E
E
‐
‐
‐
‐
‐
D
63
Table B
Hazardous Event Precursor code
Number
HEM‐27B
HEM‐27B
HEM‐27B
HEM‐27C
HEM‐27C
HEM‐27C
HEM‐27D
HEM‐27D
HEM‐27D
HEM‐27D
HEM‐27D
HEM‐27D
HEM‐27D
HEM‐27D
HEM‐27D
HEM‐27E
HEM‐27E
HEM‐27E
HEM‐27E
HEM‐27E
HEM‐27E
HEM‐27E
HEM‐27E
HEM‐27E
HEM‐27F
HEM‐27F
HEM‐27F
HEM‐27F
HEM‐27F
HEM‐27F
HEM‐27F
HEM‐27F
HEM‐27F
Cause precursor description
MOP pedestrian struck/crushed by train on MCB level crossing, outside possession
KMCB‐CLIMH
MOP pedestrian struck/crushed by train ‐ on MCB ‐ user violation: climbs over barrier
KMCB‐TRAIH
MOP pedestrian struck/crushed by train ‐ on MCB ‐ proper use: train unexpected
MOP pedestrian struck/crushed by train on MG level crossing, outside possession
KMCG‐CLIMH
MOP pedestrian struck/crushed by train ‐ on MG ‐ user violation: climbs over barrier
KMCG‐TRAIH
MOP pedestrian struck/crushed by train ‐ on MG ‐ proper use: train unexpected
MOP pedestrian struck/crushed by train on ABCL level crossing, outside possession
KABCLFSLLH
MOP pedestrian struck/crushed by train ‐ on ABCL ‐ user violation: ignores lights/barriers
KABCLDOG‐H
MOP pedestrian struck/crushed by train ‐ on ABCL ‐ user error: distracted/forced by dog
KABCL2TRAH
MOP pedestrian struck/crushed by train ‐ on ABCL ‐ user error: second train coming
MOP pedestrian struck/crushed by train ‐ on ABCL ‐ proper use: slipped, tripped, fell or KABCLFALLH
snagged on crossing
KABCLMALFF
MOP pedestrian struck/crushed by train ‐ on ABCL ‐ proper use: train unexpected
KABCLUNAWH
MOP pedestrian struck/crushed by train ‐ on ABCL ‐ user error: unaware of crossing
KABCLSLOWH
MOP pedestrian struck/crushed by train ‐ on ABCL ‐ proper use: slow moving/short warning
KABCLRTA‐H
MOP pedestrian struck/crushed by train ‐ on ABCL ‐ proper use: road traffic accident
MOP pedestrian struck/crushed by train on AHB level crossing, outside possession
KAHB‐WALKH
MOP pedestrian struck/crushed by train ‐ on AHB ‐ user violation: ignores lights/barriers
KAHB‐SLOWH
MOP pedestrian struck/crushed by train ‐ on AHB ‐ proper use: slow moving/short warning
KAHB‐DOG‐H
MOP pedestrian struck/crushed by train ‐ on AHB ‐ user error: distracted/forced by dog
KAHB‐2TRAH
MOP pedestrian struck/crushed by train ‐ on AHB ‐ user error: second train coming
MOP pedestrian struck/crushed by train ‐ on AHB ‐ proper use: slipped, tripped, fell or KAHB‐FALLH
snagged on crossing
KAHB‐MALFF
MOP pedestrian struck/crushed by train ‐ on AHB ‐ proper use: train unexpected
KAHB‐UNAWH
MOP pedestrian struck/crushed by train ‐ on AHB ‐ user error: unaware of crossing
KAHB‐RTA‐H
MOP pedestrian struck/crushed by train ‐ on AHB ‐ proper use: road traffic accident
MOP pedestrian struck/crushed by train on AOCL level crossing, outside possession
KAOCLFSLLH
MOP pedestrian struck/crushed by train ‐ on AOCL ‐ user violation: ignores lights
KAOCLDOG‐H
MOP pedestrian struck/crushed by train ‐ on AOCL ‐ user error: distracted/forced by dog
KAOCL2TRAH
MOP pedestrian struck/crushed by train ‐ on AOCL ‐ user error: second train coming
MOP pedestrian struck/crushed by train ‐ on AOCL ‐ proper use: slipped, tripped, fell or KAOCLFALLH
snagged on crossing
KAOCLMALFF
MOP pedestrian struck/crushed by train ‐ on AOCL ‐ proper use: train unexpected
KAOCLUNAWH
MOP pedestrian struck/crushed by train ‐ on AOCL ‐ user error: unaware of crossing
KAOCLSLOWH
MOP pedestrian struck/crushed by train ‐ on AOCL ‐ proper use: slow moving/short warning
KAOCLRTA‐H
MOP pedestrian struck/crushed by train ‐ on AOCL ‐ proper use: road traffic accident
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
LXs: MCB
LXs: MCB
6.16E‐04
4.66E‐05
LXs: MG
LXs: MG
1.49E‐04
1.13E‐05
LXs: ABCL
LXs: ABCL
LXs: ABCL
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.1267
0.1178
0.0089
0.0251
0.0233
0.0018
0.0666
0.0157
0.0123
0.0116
1.73%
1.61%
0.12%
0.34%
0.32%
0.02%
0.91%
0.21%
0.17%
0.16%
D
E
4.00E‐04
3.13E‐04
2.96E‐04
0.1550
0.1441
0.0109
0.0307
0.0285
0.0022
0.0814
0.0192
0.0150
0.0142
E
E
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
LXs: ABCL
2.95E‐04
0.0142
0.0116
0.16%
D
‐
LXs: ABCL
LXs: ABCL
LXs: ABCL
LXs: ABCL
1.68E‐04
1.38E‐04
8.43E‐05
1.23E‐06
0.0020
2.05E‐04
1.56E‐04
1.48E‐04
0.0066
0.0054
0.0033
4.84E‐05
1.045
0.7397
0.0757
0.0578
0.0547
0.09%
0.07%
0.05%
0.00%
14.27%
10.11%
1.03%
0.79%
0.75%
E
E
E
E
LXs: AHB
LXs: AHB
LXs: AHB
LXs: AHB
0.0081
0.0066
0.0040
5.92E‐05
1.278
0.9050
0.0926
0.0707
0.0670
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
LXs: AHB
1.48E‐04
0.0668
0.0546
0.75%
D
‐
LXs: AHB
LXs: AHB
LXs: AHB
8.42E‐05
6.91E‐05
1.47E‐05
7.19E‐04
8.48E‐05
8.03E‐05
0.0311
0.0255
0.0054
0.1050
0.0705
0.0083
0.0079
0.42%
0.35%
0.07%
1.43%
0.96%
0.11%
0.11%
E
E
E
LXs: AOCL
LXs: AOCL
LXs: AOCL
0.0380
0.0313
0.0067
0.1285
0.0863
0.0102
0.0096
D
E
D
‐
‐
‐
‐
‐
‐
‐
LXs: AOCL
8.01E‐05
0.0096
0.0079
0.11%
D
‐
LXs: AOCL
LXs: AOCL
LXs: AOCL
LXs: AOCL
4.56E‐05
3.75E‐05
2.29E‐05
2.44E‐07
0.0055
0.0045
0.0027
2.93E‐05
0.0045
0.0037
0.0022
2.39E‐05
0.06%
0.05%
0.03%
0.00%
E
E
E
E
‐
‐
‐
‐
D
E
64
Table B
Hazardous Event Precursor code
Number
HEM‐27G
HEM‐27G
HEM‐27G
HEM‐27G
HEM‐27G
HEM‐27G
HEM‐27G
HEM‐27G
HEM‐27G
HEM‐27H
HEM‐27H
HEM‐27H
HEM‐27H
HEM‐27H
HEM‐27H
HEM‐27H
HEM‐27H
HEM‐27H
HEM‐27H
HEM‐27I
HEM‐27I
HEM‐27I
HEM‐27I
HEM‐27I
HEM‐27I
HEM‐27I
HEM‐27I
HEM‐27I
Cause precursor description
MOP pedestrian struck/crushed by train on UWC + MWL level crossing, outside possession
KUWCMIGRLH
MOP pedestrian struck/crushed by train ‐ on UWC + MWL ‐ user violation: ignores lights
KUWCM2TRAH
MOP pedestrian struck/crushed by train ‐ on UWC + MWL ‐ user error: second train coming
MOP pedestrian struck/crushed by train ‐ on UWC + MWL ‐ user error: distracted/forced by KUWCMDOG‐H
dog
MOP pedestrian struck/crushed by train ‐ on UWC + MWL ‐ proper use: slow moving/short KUWCMWARNH
warning
KUWCMTRAIH
MOP pedestrian struck/crushed by train ‐ on UWC + MWL ‐ proper use: train unexpected
KUWCMUNAWH MOP pedestrian struck/crushed by train ‐ on UWC + MWL ‐ user error: unaware of crossing
MOP pedestrian struck/crushed by train ‐ on UWC + MWL ‐ proper use: slipped, tripped, fell KUWCMFALLH
or snagged on crossing
KUWCMRTA‐H
MOP pedestrian struck/crushed by train ‐ on UWC + MWL ‐ proper use: road traffic accident
MOP pedestrian struck/crushed by train on UWC + T level crossing, outside possession
MOP pedestrian struck/crushed by train ‐ on UWC + T ‐ user error: fails to stop, look and KUWCTFSSLH
listen
KUWCTDOG‐H
MOP pedestrian struck/crushed by train ‐ on UWC + T ‐ user error: distracted/forced by dog
MOP pedestrian struck/crushed by train ‐ on UWC + T ‐ user violation: nips across in front of KUWCTNIP‐H
train
KUWCTSIGHH
MOP pedestrian struck/crushed by train ‐ on UWC + T ‐ user error: poor sighting
KUWCT2TRAH
MOP pedestrian struck/crushed by train ‐ on UWC + T ‐ user error: second train coming
KUWCTUNAWH
MOP pedestrian struck/crushed by train ‐ on UWC + T ‐ user error: unaware of crossing
MOP pedestrian struck/crushed by train ‐ on UWC + T ‐ proper use: slipped, tripped, fell or KUWCTFALLH
snagged on crossing
KUWCTTRAIH
MOP pedestrian struck/crushed by train ‐ on UWC + T ‐ proper use: train unexpected
KUWCTRTA‐H
MOP pedestrian struck/crushed by train ‐ on UWC + T ‐ proper use: road traffic accident
MOP pedestrian struck/crushed by train on UWC level crossing, outside possession
KUWC‐DOG‐H
MOP pedestrian struck/crushed by train ‐ on UWC ‐ user error: distracted/forced by dog
KUWC‐FSLLH
MOP pedestrian struck/crushed by train ‐ on UWC ‐ user error: fails to stop, look and listen
KUWC‐SIGHH
MOP pedestrian struck/crushed by train ‐ on UWC ‐ user error: poor sighting MOP pedestrian struck/crushed by train ‐ on UWC ‐ user violation: nips across in front of KUWC‐NIP‐H
train
KUWC‐2TRAH
MOP pedestrian struck/crushed by train ‐ on UWC ‐ user error: second train coming
KUWC‐UNAWH
MOP pedestrian struck/crushed by train ‐ on UWC ‐ user error: unaware of crossing
MOP pedestrian struck/crushed by train ‐ on UWC ‐ proper use: slipped, tripped, fell or KUWC‐FALLH
snagged on crossing
KUWC‐RTA‐H
MOP pedestrian struck/crushed by train ‐ on UWC ‐ proper use: road traffic accident
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
LXs: UWC + MWL
LXs: UWC + MWL
9.81E‐04
3.16E‐04
0.1672
0.0863
0.0278
0.1367
0.0705
0.0227
1.87%
0.96%
0.31%
D
D
‐
‐
‐
LXs: UWC + MWL
3.16E‐04
0.0278
0.0227
0.31%
E
‐
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
LXs: UWC + MWL
1.93E‐04
0.0170
0.0139
0.19%
E
‐
LXs: UWC + MWL
LXs: UWC + MWL
3.85E‐05
3.17E‐05
0.0034
0.0028
0.0028
0.0023
0.04%
0.03%
E
E
‐
‐
LXs: UWC + MWL
2.42E‐05
0.0021
0.0017
0.02%
D
‐
LXs: UWC + MWL
4.27E‐07
3.76E‐05
0.9161
3.07E‐05
0.7488
0.00%
10.23%
E
‐
‐
LXs: UWC + T
2.62E‐04
0.4254
0.3477
4.75%
D
‐
LXs: UWC + T
1.31E‐04
0.2127
0.1739
2.38%
D
‐
LXs: UWC + T
9.31E‐05
0.1511
0.1235
1.69%
D
‐
LXs: UWC + T
LXs: UWC + T
LXs: UWC + T
6.55E‐05
5.00E‐06
4.01E‐06
0.1063
0.0081
0.0065
0.0869
0.0066
0.0053
1.19%
0.09%
0.07%
D
D
E
‐
‐
‐
LXs: UWC + T
3.07E‐06
0.0050
0.0041
0.06%
D
‐
LXs: UWC + T
LXs: UWC + T
4.79E‐07
5.36E‐08
4.18E‐04
1.39E‐04
9.59E‐05
6.36E‐04
7.12E‐05
0.5759
0.3346
0.1115
0.0768
0.01%
0.00%
7.87%
4.57%
1.52%
1.05%
E
E
LXs: UWC
LXs: UWC
LXs: UWC
7.79E‐04
8.71E‐05
0.7045
0.4094
0.1365
0.0940
D
D
E
‐
‐
‐
‐
‐
‐
LXs: UWC
4.05E‐05
0.0397
0.0324
0.44%
D
‐
LXs: UWC
LXs: UWC
1.05E‐05
8.44E‐06
0.0103
0.0083
0.0084
0.0068
0.12%
0.09%
D
E
‐
‐
LXs: UWC
6.45E‐06
0.0063
0.0052
0.07%
D
‐
LXs: UWC
1.22E‐07
1.19E‐04
9.74E‐05
0.00%
E
‐
65
Table B
Hazardous Event Precursor code
Number
HEM‐27J
HEM‐27J
HEM‐27J
HEM‐27J
HEM‐27J
HEM‐27J
HEM‐27J
HEM‐27J
HEM‐27K
HEM‐27K
HEM‐27K
HEM‐27K
HEM‐27K
HEM‐27K
HEM‐27K
HEM‐27K
HEM‐27L
HEM‐27L
HEM‐27L
HEM‐27L
HEM‐27L
HEM‐27L
HEM‐27L
HEM‐27L
HEM‐27 POS
HEM‐27 POS
HEM‐27 POS
HEM‐27 POS
HEM‐27 POS
HEM‐27 POS
HEM‐27 POS
HEM‐27 POS
HEM‐27 POS
Cause precursor description
MOP pedestrian struck/crushed by train on OC level crossing, outside possession
KOC‐‐DOG‐H
MOP pedestrian struck/crushed by train ‐ on OC ‐ user error: distracted/forced by dog
KOC‐‐FSLLH
MOP pedestrian struck/crushed by train ‐ on OC ‐ user error: fails to stop, look and listen
KOC‐‐NIP‐H
MOP pedestrian struck/crushed by train ‐ on OC ‐ user violation: nips across in front of train
MOP pedestrian struck/crushed by train ‐ on OC ‐ proper use: slipped, tripped, fell or KOC‐‐FALLH
snagged on crossing
KOC‐‐SIGHH
MOP pedestrian struck/crushed by train ‐ on OC ‐ user error: poor sighting
KOC‐‐UNAWH
MOP pedestrian struck/crushed by train ‐ on OC ‐ user error: unaware of crossing
KOC‐‐RTA‐H
MOP pedestrian struck/crushed by train ‐ on OC ‐ proper use: road traffic accident
MOP pedestrian struck/crushed by train on FP + MWL level crossing, outside possession
KFPCMIGRLH
MOP pedestrian struck/crushed by train ‐ on FP + MWL ‐ user violation: ignores lights
KFPCM2TRAH
MOP pedestrian struck/crushed by train ‐ on FP + MWL ‐ user error: second train coming
KFPCMDOG‐H
MOP pedestrian struck/crushed by train ‐ on FP + MWL ‐ user error: distracted/forced by dog
MOP pedestrian struck/crushed by train ‐ on FP + MWL ‐ proper use: slow moving/short KFPCMWARNH
warning
KFPCMTRAIH
MOP pedestrian struck/crushed by train ‐ on FP + MWL ‐ proper use: train unexpected
KFPCMUNAWH
MOP pedestrian struck/crushed by train ‐ on FP + MWL ‐ user error: unaware of crossing
MOP pedestrian struck/crushed by train ‐ on FP + MWL ‐ user error: slipped, tripped, fell or KFPCMFALLH
snagged on crossing
MOP pedestrian struck/crushed by train on FP (no lights) level crossing, outside possession
KFPC‐FSLLH
MOP pedestrian struck/crushed by train ‐ on FP ‐ user error: fails to stop, look and listen
KFPC‐SIGHH
MOP pedestrian struck/crushed by train ‐ on FP ‐ user error: poor sighting KFPC‐DOG‐H
MOP pedestrian struck/crushed by train ‐ on FP ‐ user error: distracted/forced by dog
KFPC‐NIP‐H
MOP pedestrian struck/crushed by train ‐ on FP ‐ user violation: nips across in front of train
KFPC‐UNAWH
MOP pedestrian struck/crushed by train ‐ on FP ‐ user error: unaware of crossing
KFPC‐2TRAH
MOP pedestrian struck/crushed by train ‐ on FP ‐ user error: second train coming
MOP pedestrian struck/crushed by train ‐ on FP ‐ proper use: slipped, tripped, fell or snagged KFPC‐FALLH
on crossing
MOP pedestrian struck/crushed by train on level crossing inside possession
KSTRFP‐‐OH
MOP pedestrian struck/crushed by train ‐ on FP level crossing inside possession
KSTRAHB‐OH
MOP pedestrian struck/crushed by train ‐ on AHB level crossing inside possession
KSTRUWCTOH
MOP pedestrian struck/crushed by train ‐ on UWC + T level crossing inside possession
KSTRCCTVOH
MOP pedestrian struck/crushed by train ‐ on MCB + CCTV level crossing inside possession
KSTRUWC‐OH
MOP pedestrian struck/crushed by train ‐ on UWC level crossing inside possession
KSTRFPCMOH
MOP pedestrian struck/crushed by train ‐ on FP + MWL level crossing inside possession
KSTRUWCMOH
MOP pedestrian struck/crushed by train ‐ on UWC + MWL level crossing inside possession
KSTRMCB‐OH
MOP pedestrian struck/crushed by train ‐ on MCB level crossing inside possession
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
LXs: OC
LXs: OC
LXs: OC
0.0011
5.74E‐05
1.58E‐05
0.0627
0.0585
0.0029
8.06E‐04
0.0513
0.0478
0.0024
6.59E‐04
0.70%
0.65%
0.03%
0.01%
E
E
D
‐
‐
‐
‐
LXs: OC
4.69E‐06
2.39E‐04
1.95E‐04
0.00%
D
‐
LXs: OC
LXs: OC
LXs: OC
2.49E‐06
2.19E‐06
1.06E‐07
0.0025
0.0017
0.0017
1.04E‐04
9.14E‐05
4.42E‐06
0.2097
0.0705
0.0478
0.0478
0.00%
0.00%
0.00%
2.87%
0.96%
0.65%
0.65%
E
E
E
LXs: FP + MWL
LXs: FP + MWL
LXs: FP + MWL
1.27E‐04
1.12E‐04
5.40E‐06
0.2566
0.0863
0.0585
0.0585
D
D
D
‐
‐
‐
‐
‐
‐
‐
LXs: FP + MWL
0.0010
0.0358
0.0292
0.40%
E
‐
LXs: FP + MWL
LXs: FP + MWL
2.04E‐04
1.67E‐04
0.0071
0.0059
0.0058
0.0048
0.08%
0.07%
E
E
‐
‐
LXs: FP + MWL
1.28E‐04
0.0045
0.0037
0.05%
D
‐
LXs: FP
LXs: FP
LXs: FP
LXs: FP
LXs: FP
LXs: FP
8.03E‐04
4.51E‐04
3.51E‐04
2.15E‐04
5.02E‐05
4.25E‐05
4.371
1.810
1.018
0.7918
0.4840
0.1131
0.0959
3.573
1.479
0.8321
0.6472
0.3956
0.0925
0.0784
48.82%
20.21%
11.37%
8.84%
5.40%
1.26%
1.07%
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
LXs: FP
2.61E‐05
0.0588
0.0481
0.66%
D
‐
LXs: FP
LXs: AHB
LXs: UWC + T
LXs: MCB + CCTV
LXs: UWC
LXs: FP + MWL
LXs: UWC + MWL
LXs: MCB
1.33E‐06
1.94E‐06
3.86E‐07
1.43E‐06
4.92E‐07
5.02E‐06
1.30E‐06
4.54E‐07
0.0061
0.0030
8.75E‐04
6.28E‐04
5.45E‐04
4.83E‐04
1.76E‐04
1.15E‐04
1.06E‐04
0.0050
0.0024
7.16E‐04
5.13E‐04
4.46E‐04
3.94E‐04
1.44E‐04
9.36E‐05
8.68E‐05
0.07%
0.03%
0.01%
0.01%
0.01%
0.01%
0.00%
0.00%
0.00%
E
E
E
E
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
‐
‐
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
66
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEM‐27 POS
HEM‐27 POS
HEM‐27 POS
HEM‐27 POS
KSTRAOCLOH
KSTRABCLOH
KSTROC‐‐OH
KSTRMCG‐OH
MOP pedestrian struck/crushed by train ‐ on AOCL level crossing inside possession
MOP pedestrian struck/crushed by train ‐ on ABCL level crossing inside possession
MOP pedestrian struck/crushed by train on OC level crossing inside possession
MOP pedestrian struck/crushed by train ‐ on MG level crossing inside possession
HEM‐29
HEM‐29A
HEM‐29A
HEM‐29 POS
MOP outside mainline railway struck/crushed as a result of mainline railway operations
MOP outside mainline railway struck/crushed as a result of mainline railway operations
KRCIOPS‐‐E
MOP outside NRMI struck/crushed as a result of NRMI operations
MOP outside mainline railway struck/crushed as a result of mainline railway operations inside possession
MOP outside NRMI struck/crushed as a result of mainline railway operations inside KRCIPOSS‐E
possession
HEM‐29 POS
HEM‐30
HEM‐30A
HEM‐30A
HEM‐30A
HEM‐30 POS
HEM‐30 POS
MOP fall while riding illegally on train
MOP fall while riding illegally on train outside possession
KSURF‐‐‐‐H
MOP fall/injured while riding illegally on train (surfing)
KELSUR‐‐‐E
MOP electrocuted while riding illegally on train (surfing)
MOP fall while riding illegally on train inside possession
KSURFOYPOH
MOP fall while riding illegally on train inside possession
HEM‐31
HEM‐31A
HEM‐31A
HEM‐31B
HEM‐31B
MOP suicide or attempted suicide (open verdict)
MOP suicide (attempted)
KSUIAT‐‐‐H
MOP Attempted suicide or suspected suicide not resulting in fatality
MOP suicide
KSUICD‐‐‐H
MOP suicide or suspected suicide resulting in fatality (may include open verdict)
HEM‐32
HEM‐32A
HEM‐32A
HEM‐32 POS
HEM‐32 POS
MOP struck by object from the mainline railway
MOP struck by objects thrown from mainline railway operations
KRCIOBJ‐‐E
MOP struck by objects thrown from mainline railway operations
MOP struck by object from the mainline railway thrown from inside possession
KPOSSOBJ‐E
MOP struck by objects thrown from mainline railway operations inside possession
Version 6.1 – June 2009
Normaliser
LXs: AOCL
LXs: ABCL
LXs: OC
LXs: MG
National frequency (events/ normaliser)
7.33E‐07
1.16E‐06
8.43E‐07
1.10E‐07
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
8.80E‐05
5.58E‐05
4.30E‐05
2.10E‐05
7.19E‐05
4.56E‐05
3.51E‐05
1.72E‐05
0.00%
0.00%
0.00%
0.00%
0.0200
0.0200
0.0200
1.37E‐05
0.0024
0.0024
0.0024
1.61E‐06
100.00%
99.93%
99.93%
0.07%
Trk mts
6.42E‐10
OTP hrs
6.04E‐12
1.37E‐05
1.61E‐06
0.07%
Tot trn kms
Tot trn kms
6.87E‐09
1.07E‐09
OTP hrs
1.28E‐09
4.241
4.238
3.667
0.5714
0.0029
0.0029
0.8557
0.8551
0.5394
0.3157
5.44E‐04
5.44E‐04
100.00%
99.94%
63.04%
36.90%
0.06%
0.06%
268.0
47.17
47.17
220.8
220.8
225.3
3.373
3.373
222.0
222.0
100.00%
1.50%
1.50%
98.50%
98.50%
2.000
1.600
1.600
0.4000
0.4000
0.0052
0.0042
0.0042
0.0010
0.0010
100.00%
80.00%
80.00%
20.00%
20.00%
Trk mts
1.51E‐06
Trk mts
7.09E‐06
Trk mts
5.14E‐08
OTP hrs
1.77E‐07
E
E
E
E
E
‐
‐
‐
‐
‐
‐
‐
‐
E
‐
D
D
‐
‐
‐
‐
‐
‐
E
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
67
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEM‐38
HEM‐38A
HEM‐38A
HEM‐38A
HEM‐38A
HEM‐38A
HEM‐38B
HEM‐38B
HEM‐38B
HEM‐38B
HEM‐38B
Passenger injury due to braking or lurching
Passenger injury due to braking
PPABODBRUP
Passenger strikes part of body due to braking
PPAOTHBRUP
Passenger: other due to braking
PPAOBJBRUP
Passenger struck by object inside train due to braking
PPASCABRUP
Passenger scald/burn due to braking
Passenger injury due to lurching
PPABODLRUP
Passenger strikes part of body due to lurching
PPAOBJLRUP
Passenger struck by object inside train due to lurching
PPAOTHLRUP
Passenger: other due to lurching
PPASCALRUP
Passenger scald/burn due to lurching
HEM‐39
HEM‐39A
HEM‐39A
HEM‐39A
HEM‐39A
HEM‐39A
HEM‐39A
HEM‐39B
HEM‐39B
HEM‐39B
HEM‐39B
HEM‐39B
HEM‐39B
HEM‐39 POS
HEM‐39 POS
Train crew injury due to braking or lurching
Workforce injury due to braking
GTCBODBRUP
Train crew (other) strikes part of body due to braking
GTCOBJBRUP
Train crew (other) struck by object inside train due to braking
GTCOTHBRUP
Train crew (other): other due to braking
GTCSCABRUP
Train crew (other) scald/burn due to braking
GTDINJBRUP
Train crew (driver) injury due to braking
Workforce injury due to lurching
GTCBODLRUP
Train crew (other) strikes part of body due to lurching
GTCSCALRUP
Train crew (other) scald/burn due to lurching
GTCOTHLRUP
Train crew (other): other due to lurching
GTCOBJLRUP
Train crew (other) struck by object inside train due to lurching
GTDINJLRUP
Train crew (driver) injury due to lurching
Workforce injury due to braking or lurching inside possession
GTCLUPOSOE
Train crew (other) injury due to train lurching inside possession
HEM‐40
HEM‐40A
HEM‐40A
HEM‐40 POS
HEM‐40 POS
MOP struck by train due to standing too close to platform edge
MOP struck by train due to standing too close to platform edge
PMPSTR‐‐‐H
MOP struck by train due to standing too close to platform edge
MOP struck by train due to standing too close to platform edge inside possession
PMPSTRPOSH
MOP too close to platform edge struck by train inside possession
HEM‐41
HEM‐41
MOP fall between train and platform
KPLTFALL‐H
MOP fall between train and platform
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
3.09E‐08
6.44E‐09
3.49E‐09
1.56E‐09
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
9.20E‐08
2.80E‐08
1.48E‐08
2.47E‐08
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Tot trn kms
4.05E‐08
1.99E‐08
1.55E‐08
1.03E‐08
2.50E‐09
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Tot trn kms
4.14E‐07
1.29E‐07
1.11E‐07
1.03E‐07
1.56E‐08
OTP hrs
6.32E‐08
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
91.37
19.18
13.98
2.915
1.579
0.7049
72.20
41.66
12.66
6.697
11.18
0.5409
0.1229
0.0922
0.0192
0.0104
9.73E‐04
0.4180
0.2749
0.0836
0.0442
0.0154
100.00%
22.71%
17.05%
3.56%
1.93%
0.18%
77.29%
50.82%
15.45%
8.17%
2.85%
391.8
40.33
18.33
9.000
7.000
4.667
1.333
351.3
187.7
58.33
50.33
46.67
8.333
0.1429
0.1429
1.033
0.1011
0.0460
0.0226
0.0175
0.0117
0.0033
0.9314
0.4975
0.1546
0.1334
0.1237
0.0221
3.79E‐04
3.79E‐04
100.00%
9.79%
4.45%
2.18%
1.70%
1.13%
0.32%
90.18%
48.17%
14.97%
12.92%
11.98%
2.14%
0.04%
0.04%
0.1903
0.1901
0.1901
1.30E‐04
1.30E‐04
100.00%
99.93%
99.93%
0.07%
0.07%
0.1270
0.1270
100.00%
100.00%
Tot trn kms
1.87E‐09
OTP hrs
3.03E‐10
1.001
1.000
1.000
6.85E‐04
6.85E‐04
Pass. jour
3.49E‐10
0.4286
0.4286
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
E
‐
‐
‐
‐
‐
D
‐
‐
D
68
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEM‐42
HEM‐42
Passenger struck by flying object thrown up by passing train
PSTRUCKO‐E
Passenger struck by flying object thrown up by passing train
HEM‐43
HEM‐43A
HEM‐43A
HEM‐43A
HEM‐43A
HEM‐43B
HEM‐43B
HEM‐43B
HEM‐43B
Train door closes on MOP
Train door closes on MOP (slam door)
KSLOTHER‐H
Train door closes on MOP (slam door stock) other/unknown
KSLALIGH‐H
Train door closes on MOP (slam door stock) whilst alighting
KSLBOARD‐H
Train door closes on MOP (slam door stock) whilst boarding
Train door closes on MOP (non‐slam door)
KPOALIGH‐H
Train door closes on MOP (non‐slam door stock) whilst alighting
KPOOTHER‐H
Train door closes on MOP (non‐slam door stock) other/unknown
KPOBOARD‐H
Train door closes on MOP (non‐slam door stock) whilst boarding
HEM‐44
HEM‐44A
HEM‐44A
HEM‐44B
HEM‐44B
Passenger jump from train in running
Passenger jump from slam door train in running
PPSLJUMP‐H
Passenger jump from slam door train in running
Passenger jump from power door train in running
PPPDJUMP‐H
Passenger jump from power door train in running
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. jour
2.58E‐09
Pass. jour
Pass. jour
Pass. jour
2.04E‐10
3.81E‐12
3.25E‐12
Pass. jour
Pass. jour
Pass. jour
2.86E‐10
2.39E‐10
1.19E‐10
Pass. jour
9.03E‐10
Pass. jour
2.69E‐10
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
3.166
3.166
0.0048
0.0048
100.00%
100.00%
1.050
0.2587
0.2500
0.0047
0.0040
0.7911
0.3518
0.2929
0.1465
0.0031
0.0012
0.0011
2.12E‐05
1.81E‐05
0.0019
8.57E‐04
7.14E‐04
3.57E‐04
100.00%
37.79%
36.52%
0.68%
0.58%
62.21%
27.66%
23.03%
11.52%
1.439
1.109
1.109
0.3299
0.3299
0.3861
0.3814
0.3814
0.0046
0.0046
100.00%
98.81%
98.81%
1.19%
1.19%
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
69
Table B
Page left blank intentionally
Version 6.1 – June 2009
70
Table B
Hazardous Event Precursor code
Number
Cause precursor description
Normaliser
National frequency (events/ normaliser)
Trk wkr hrs
Tot trn kms
3.90E‐08
8.03E‐10
2.571
2.143
0.4286
0.0203
0.0169
0.0034
100.00%
83.33%
16.67%
D
D
75%
90%
1%
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
HEN‐01
HEN‐01
HEN‐01
Workforce exposure to fire
YLNOFIRE‐E
Track worker exposure to lineside fire (other than in station)
GTDOFIRE‐E
Train crew (driver) exposure to lineside fire (other than in station)
HEN‐02
HEN‐02
Lineside fire in station
YLNSFIRE‐E
Other workforce exposure to lineside fire in station
Pass. jour
4.65E‐10
0.5714
0.5714
0.0067
0.0067
100.00%
100.00%
D
‐
‐
HEN‐03
HEN‐03
Fire in station
YSTAFIRE‐E
Pass. jour
5.43E‐10
0.6667
0.6667
0.0169
0.0169
100.00%
100.00%
D
‐
‐
HEN‐04
HEN‐04
Workforce exposure to lineside explosion
GTWEEXPLNE
Track worker exposure to lineside explosion
Trk wkr hrs
1.04E‐08
0.5714
0.5714
0.0241
0.0241
100.00%
100.00%
D
80%
80%
HEN‐05
HEN‐05
Explosion at station
YLNSEXPL‐E
Explosion at station
Pass. jour
4.07E‐11
0.0500
0.0500
0.1500
0.1500
100.00%
100.00%
E
‐
‐
HEN‐07
HEN‐07
HEN‐07
HEN‐07
Passenger exposure to hazardous substances
PHAZSSUB‐E
Passenger exposure to hazardous substances leakage at station
PANIINSB‐E
Passenger exposure to animal/insect bites
PEXPTOX‐‐E
Passenger exposure to smoke or fumes
Pass. jour
Pass. jour
Pass. jour
1.15E‐09
3.15E‐09
1.34E‐10
5.441
1.407
3.869
0.1650
0.0173
0.0107
0.0053
0.0013
100.00%
61.89%
30.85%
7.26%
D
D
D
‐
‐
‐
‐
HEN‐08
HEN‐08
Passenger exposed to electrical arcing at station
PSTAARC‐‐E
Passenger exposed to electrical arcing at station
Pass. jour
2.69E‐10
0.3299
0.3299
0.0074
0.0074
100.00%
100.00%
D
‐
‐
HEN‐09
HEN‐09
Passenger electric shock at station (OHL)
PSHKSOHL‐H
Passenger electric shock at station (OHL)
Pass. jour
5.43E‐11
0.0667
0.0667
0.0134
0.0134
100.00%
100.00%
E
‐
‐
HEN‐10
HEN‐10
Passenger electric shock at station (conductor rail)
PCONDST‐‐H
Passenger electric shock at station (conductor rail)
Pass. jour
7.22E‐10
0.8870
0.8870
0.3842
0.3842
100.00%
100.00%
D
‐
‐
HEN‐11
HEN‐11
Passenger electric shock at station (non‐traction supplies)
PSHKSNTS‐H
Passenger electric shock at station (Non‐traction supplies)
Pass. jour
4.41E‐10
0.5421
0.5421
0.0036
0.0036
100.00%
100.00%
D
‐
‐
Fire in station
Version 6.1 – June 2009
71
Table B
Hazardous Event Precursor code
Number
HEN‐13
HEN‐13
HEN‐13
Cause precursor description
HEN‐13
Passenger fall from platform onto track (no train present)
PPNLFALL‐H
Passenger under influence of alcohol/drugs falls from platform onto track (no train present)
PPNGFALL‐H
Passenger falls from platform onto track (no train present) ‐ general causes
Passenger falls from platform onto track (no train present) due to illness (seizure, collapse, PPLTFILL‐E
etc)
PPLTVIMP‐E
Passenger falls from platform onto track (no train present) due to visual impairment
HEN‐14
HEN‐14A
HEN‐14A
HEN‐14A
HEN‐14A
HEN‐14A
HEN‐14A
HEN‐14A
HEN‐14A
HEN‐14A
HEN‐14A
HEN‐14B
HEN‐14B
HEN‐14B
HEN‐14B
HEN‐14B
HEN‐14B
HEN‐14B
HEN‐14B
HEN‐14B
HEN‐14B
HEN‐14C
HEN‐14C
HEN‐14C
HEN‐14C
HEN‐14C
HEN‐14C
HEN‐14C
HEN‐14C
HEN‐14C
Passenger slip, trip or fall
Passenger slip, trip or fall (platform)
PPLTSLNC‐E
Passenger slip, trip or fall on platform other cause
PPLTSLR‐‐H
Passenger slip, trip or fall due to running on platform
PPLTSUCO‐E
Passenger slip, trip or fall due to surface contamination on platform
PPLTSLU‐‐E
Passenger slip, trip or fall due to uneven surface on platform
PPLTALC‐‐E
Passenger slip, trip or fall on platform due to alcohol or drugs
PPLTSLO‐‐E
Passenger slip, trip or fall due to object on platform
PPLTILL‐‐E
Passenger slip, trip or fall on platform due to ill health
PPLTSLI‐‐E
Passenger slip, trip or fall due to ice/snow on platform
PPLTOVER‐E
Passenger slip, trip or fall due to overcrowding on platform
Passenger slip, trip or fall (stairs)
PSTRUNSPEE
Passenger slip, trip or fall on stairs other cause
PSTRRUN‐‐E
Passenger slip, trip or fall due to running on stairs
PSTRALC‐‐E
Passenger slip, trip or fall on stairs due to alcohol or drugs
PSTRSUCO‐E
Passenger slip, trip or fall due to surface contamination on stairs
PSTRILL‐‐E
Passenger slip, trip or fall on stairs due to ill health
PSTROBJ‐‐E
Passenger slip, trip or fall due to object on stairs
PSTRSURF‐E
Passenger slip, trip or fall due to uneven surface on stairs
PSTRCROWDE
Passenger slip, trip or fall due to overcrowding on stairs
PSTRICE‐‐E
Passenger slip, trip or fall due to ice/snow on stairs
Passenger slip, trip or fall (escalator)
PESCUNSPEE
Passenger slip, trip or fall on escalator other cause
PESCALC‐‐E
Passenger slip, trip or fall on escalator due to alcohol or drugs
PESCOBJ‐‐E
Passenger slip, trip or fall due to object on escalator
PESCILL‐‐E
Passenger slip, trip or fall on escalator due to ill health
PESCRUN‐‐E
Passenger slip, trip or fall due to running on escalator
PESCCROWDE
Passenger slip, trip or fall due to overcrowding on escalator
PESCSUCO‐E
Passenger slip, trip or fall due to surface contamination on escalator
PESCSURF‐E
Passenger slip, trip or fall due to uneven surface on escalator
HEN‐13
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. jour
Pass. jour
1.80E‐08
1.01E‐08
42.59
22.16
12.42
0.7324
0.3811
0.2136
100.00%
52.03%
29.17%
D
D
‐
‐
‐
Pass. jour
3.88E‐09
4.760
0.0819
11.18%
D
‐
Pass. jour
2.64E‐09
3.246
0.0558
7.62%
D
‐
2914.7
832.0
230.9
143.8
141.1
83.37
70.00
67.89
47.49
40.80
6.683
945.6
583.6
136.5
90.05
56.13
30.60
14.07
13.53
11.61
9.497
521.7
311.3
90.75
67.28
28.49
13.72
5.276
2.462
2.246
25.28
7.018
1.948
1.213
1.190
0.7032
0.5904
0.5726
0.4005
0.3442
0.0564
10.28
6.347
1.484
0.9792
0.6103
0.3328
0.1530
0.1471
0.1262
0.1033
2.833
1.690
0.4928
0.3653
0.1547
0.0745
0.0287
0.0134
0.0122
100.00%
27.76%
7.70%
4.80%
4.71%
2.78%
2.34%
2.26%
1.58%
1.36%
0.22%
40.67%
25.10%
5.87%
3.87%
2.41%
1.32%
0.61%
0.58%
0.50%
0.41%
11.21%
6.69%
1.95%
1.44%
0.61%
0.29%
0.11%
0.05%
0.05%
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
1.88E‐07
1.17E‐07
1.15E‐07
6.79E‐08
5.70E‐08
5.53E‐08
3.87E‐08
3.32E‐08
5.44E‐09
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
4.75E‐07
1.11E‐07
7.33E‐08
4.57E‐08
2.49E‐08
1.15E‐08
1.10E‐08
9.45E‐09
7.73E‐09
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
2.54E‐07
7.39E‐08
5.48E‐08
2.32E‐08
1.12E‐08
4.30E‐09
2.01E‐09
1.83E‐09
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
72
Table B
Hazardous Event Precursor code
Number
HEN‐14C
HEN‐14D
HEN‐14D
HEN‐14D
HEN‐14D
HEN‐14D
HEN‐14D
HEN‐14D
HEN‐14D
HEN‐14D
HEN‐14D
HEN‐14E
HEN‐14E
HEN‐14F
HEN‐14F
HEN‐14F
HEN‐14F
HEN‐14F
HEN‐14F
HEN‐14F
HEN‐14F
HEN‐14G
HEN‐14G
HEN‐14G
HEN‐14G
HEN‐14G
HEN‐14G
HEN‐14G
HEN‐14G
HEN‐14G
Cause precursor description
PESCICE‐‐E
Passenger slip, trip or fall due to ice/snow on escalator
Passenger slip, trip or fall (station concourse)
PCONSUCO‐E
Passenger slip, trip or fall due to surface contamination on station concourse
PCONUNSPEE
Passenger slip, trip or fall on station concourse (includes waiting room) other cause
Passenger slip, trip or fall due to uneven surface on station concourse (includes waiting PCONSURF‐E
room)
PCONOBJ‐‐E
Passenger slip, trip or fall due to object on station concourse (includes waiting room)
Passenger slip, trip or fall on station concourse (includes waiting room) due to alcohol or PCONALC‐‐E
drugs
PCONRUN‐‐E
Passenger slip, trip or fall due to running on station concourse (includes waiting room)
PCONILL‐‐E
Passenger slip, trip or fall on station concourse (includes waiting room) due to ill health
PCONICE‐‐E
Passenger slip, trip or fall due to ice/snow on station concourse (includes waiting room)
PCONCROWDE
Passenger slip, trip or fall due to overcrowding on station concourse (includes waiting room)
Passenger slip, trip or fall while legitimately crossing line on station crossing
PPLTLINE‐E
Passenger slip, trip or fall while legitimately crossing line on station crossing
Passenger slip, trip or fall (chair, bench, wheelchair)
PCHAUNSPEE
Passenger slip, trip or fall from chairs, benches, wheelchairs etc. other cause
Passenger slip, trip or fall from defective chairs, benches, etc. (due to vandalism, poor PCHADEF‐‐E
maintenance etc)
PCHAALC‐‐E
Passenger slip, trip or fall from chairs, benches, wheelchairs etc. due to alcohol
PCHAILL‐‐E
Passenger slip, trip or fall from chairs due to ill health
PCHASURF‐E
Passenger slip, trip or fall from chairs due to uneven surface
PCHASUCO‐E
Passenger slip, trip or fall from chairs, benches, wheelchairs due to surface contamination
PCHAOBJ‐‐E
Passenger slip, trip or fall from chairs, benches, wheelchairs etc. due to object
Passenger slip, trip or fall (ramps)
PRAMUNSPEE
Passenger slip, trip or fall on ramps other cause
PRAMSUCO‐E
Passenger slip, trip or fall on ramps due to surface contamination
PRAMRUN‐‐E
Passenger slip, trip or fall due to running on ramps
PRAMALC‐‐E
Passenger slip, trip or fall on ramps due to alcohol or drugs
PRAMSURF‐E
Passenger slip, trip or fall due to uneven surface on ramps
PRAMOBJ‐‐E
Passenger slip, trip or fall due to object on ramps
PRAMILL‐‐E
Passenger slip, trip or fall on ramps due to ill health
PRAMICE‐‐E
Passenger slip, trip or fall due to ice/snow on ramps
Version 6.1 – June 2009
Pass. jour
National frequency (events/ normaliser)
1.81E‐10
Pass. jour
Pass. jour
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0012
4.381
1.489
1.124
0.00%
17.33%
5.89%
4.45%
D
‐
1.44E‐07
1.09E‐07
0.2218
519.5
176.6
133.3
D
D
‐
‐
Pass. jour
4.66E‐08
57.27
0.4830
1.91%
D
‐
Pass. jour
4.27E‐08
52.41
0.4421
1.75%
D
‐
Pass. jour
3.41E‐08
41.86
0.3531
1.40%
D
‐
Pass. jour
Pass. jour
Pass. jour
Pass. jour
2.35E‐08
1.92E‐08
3.15E‐09
1.43E‐09
D
‐
Pass. jour
6.02E‐09
0.96%
0.79%
0.13%
0.06%
0.08%
0.08%
0.55%
0.20%
‐
‐
‐
‐
2.58E‐09
0.2433
0.1988
0.0326
0.0148
0.0193
0.0193
0.1380
0.0506
D
D
D
D
Pass. jour
28.84
23.57
3.869
1.759
3.166
3.166
20.17
7.387
D
‐
Pass. jour
4.30E‐09
5.276
0.0361
0.14%
D
‐
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
2.58E‐09
1.63E‐09
1.43E‐09
3.57E‐10
1.16E‐10
0.09%
0.05%
0.05%
0.01%
0.00%
2.42%
0.92%
0.54%
0.49%
0.15%
0.11%
0.08%
0.08%
0.05%
‐
‐
‐
‐
‐
2.23E‐08
1.32E‐08
1.20E‐08
3.72E‐09
2.58E‐09
2.07E‐09
1.99E‐09
1.15E‐09
0.0217
0.0137
0.0120
0.0030
9.78E‐04
0.6117
0.2314
0.1365
0.1246
0.0386
0.0267
0.0215
0.0206
0.0119
D
D
D
D
D
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
3.166
1.996
1.759
0.4390
0.1429
72.52
27.44
16.18
14.77
4.573
3.166
2.548
2.439
1.407
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
73
Table B
Hazardous Event Precursor code
Number
Cause precursor description
Normaliser
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
HEN‐15
HEN‐15
Passenger fall from overbridge at station
PPOVERB‐‐H
Passenger fall from overbridge at station
Pass. jour
2.87E‐10
0.3520
0.3520
0.0943
0.0943
100.00%
100.00%
D
‐
‐
HEN‐16
HEN‐16
Passenger fall during evacuation at station
PEVCFALL‐H
Passenger fall during evacuation at station
Pass. jour
4.07E‐11
0.0500
0.0500
0.0027
0.0027
100.00%
100.00%
E
‐
‐
HEN‐17
HEN‐17
Passenger crushing caused by overcrowding at station
POVRFALL‐H
Passenger crushing caused by crowding at station
Pass. jour
1.15E‐09
1.407
1.407
0.0379
0.0379
100.00%
100.00%
D
‐
‐
HEN‐21
HEN‐21
HEN‐21
HEN‐21
HEN‐21
HEN‐21
Workforce struck/crushed by structural collapse or large object
GTWCRAIL‐E
Track worker struck/crushed by rail
GTWSTSLE‐E
Track worker struck/crushed by sleepers
GTWSTMIS‐E
Track worker struck/crushed by miscellaneous object
GOWFSTMI‐E
Other workforce struck/crushed by miscellaneous object
GTCSTMIS‐E
Train crew struck/crushed by miscellaneous object
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Pass. jour
Pass. trn kms
1.29E‐06
4.92E‐07
2.37E‐07
1.90E‐09
7.36E‐10
113.7
71.00
27.00
13.00
2.333
0.3333
1.804
1.127
0.4284
0.2063
0.0370
0.0053
100.00%
62.46%
23.75%
11.44%
2.05%
0.29%
D
D
D
D
D
79%
80%
80%
80%
50%
‐
HEN‐22
HEN‐22
HEN‐22
HEN‐22
Workforce trapped in machinery
GTWTRPMA‐E
Track worker trapped in machinery (others)
GTWTRPPT‐E
Track worker trapped in points/point machines
GOWTRPMA‐E
Other workforce trapped in machinery
Trk wkr hrs
Trk wkr hrs
Pass. jour
4.88E‐08
7.29E‐08
6.51E‐10
7.480
2.680
4.000
0.8000
0.1972
0.0987
0.0690
0.0295
100.00%
50.07%
34.99%
14.95%
D
D
D
90%
100%
100%
30%
HEN‐23
HEN‐23
HEN‐23
HEN‐23
HEN‐23
Workforce struck by/contact with/trapped in object at station
GOWTCHPA‐E
Other workforce trapped/crushed/hit at station
GTCTCHPA‐E
Train crew (other) trapped/crushed/hit at station
GTDTCHPA‐E
Train crew (driver) trapped/crushed/hit at station
GTWTCHPA‐E
Track worker trapped/crushed/hit at station
Pass. jour
Pass. trn kms
Tot trn kms
Trk wkr hrs
3.84E‐07
1.24E‐07
5.09E‐08
2.25E‐07
566.7
471.2
56.00
27.19
12.33
1.139
0.9471
0.1126
0.0546
0.0248
100.00%
83.14%
9.88%
4.80%
2.18%
D
D
D
D
7%
7%
‐
1%
40%
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
Workforce slip, trip or fall <2m
GTW<2TRK‐E
Track worker slip, trip or fall (<2m) on track or about track
GOW<2PLT‐E
Other workforce slip, trip or fall (<2m) on platform
GOW<2STP‐E
Other workforce slip, trip or fall (<2m) on stairs/steps
GTC<2PLT‐E
Train crew (other) slip, trip or fall (<2m) on platform
GTD<2TRK‐E
Train crew (driver) slip, trip or fall (<2m) on track or about track
GOW<2TRK‐E
Other workforce slip, trip or fall (<2m) on track or about track
GTW<2VEH‐E
Track worker slip, trip or fall (<2m) from vehicle
GOW<2CON‐E
Other workforce slip, trip or fall (<2m) in station concourse etc
GTW<2SLS‐E
Track worker slip, trip or fall (<2m) on sloping surfaces
GTC<2STP‐E
Train crew (other) slip, trip or fall (<2m) on stairs/steps
Trk wkr hrs
Pass. jour
Pass. jour
Pass. trn kms
Tot trn kms
Pass. jour
Trk wkr hrs
Pass. jour
Trk wkr hrs
Pass. trn kms
6.89E‐06
6.84E‐08
7.22E‐08
1.54E‐07
7.30E‐08
2.71E‐08
4.07E‐07
3.77E‐08
3.28E‐07
8.24E‐08
1051.3
378.0
84.00
88.67
69.80
39.00
33.33
22.33
46.33
18.00
37.33
6.743
2.833
0.3967
0.3803
0.3296
0.2923
0.2498
0.2232
0.2188
0.1802
0.1601
100.00%
42.01%
5.88%
5.64%
4.89%
4.33%
3.70%
3.31%
3.24%
2.67%
2.37%
D
D
D
D
D
D
D
D
D
D
46%
80%
‐
7%
‐
1%
33%
80%
‐
80%
‐
Version 6.1 – June 2009
74
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
Other workforce slip, trip or fall (<2m) in signal box
Track worker slip, trip or fall (<2m) on stairs/steps
Track worker slip, trip or fall (<2m) on walkway or crossing
Train crew (driver) slip, trip or fall (<2m) on platform
Other workforce slip, trip or fall (<2m) on sloping surfaces
Other workforce slip, trip or fall (<2m) on walkway or crossing
Train crew (other) slip, trip or fall (<2m) in station concourse etc
Other workforce slip, trip or fall (<2m) from ladder
Train crew (driver) slip, trip or fall (<2m) on stairs/steps
Track worker slip, trip or fall (<2m) from ladder
Other workforce slip, trip or fall (<2m) from vehicle
Train crew (other) slip, trip or fall (<2m) on sloping surfaces
Other workforce slip, trip or fall (<2m): unclassifiable
Train crew (driver) slip, trip or fall (<2m) on sloping surfaces
Train crew (driver) slip, trip or fall (<2m) on walkway or crossing
Track worker slip, trip or fall (<2m) from platform onto the line
Track worker slip, trip or fall (<2m): unclassifiable
Train crew (other) slip, trip or fall (<2m) on track or about track
Track worker slip, trip or fall (<2m) on platform
Other workforce slip, trip or fall (<2m) from platform onto the line
Train crew (other) slip, trip or fall (<2m) on walkway or crossing
Train crew (driver) slip, trip or fall (<2m) in station concourse etc
Other workforce slip, trip or fall (<2m) on bridge
Other workforce slip, trip or fall (<2m) on escalator
Track worker slip, trip or fall (<2m) on bridge
Train crew (other) slip, trip or fall (<2m): unclassifiable
Track worker slip, trip or fall (<2m) in signal box
Train crew (driver) slip, trip or fall (<2m) from platform onto the line
Train crew (other) slip, trip or fall (<2m) on escalator
Train crew (other) slip, trip or fall (<2m) from vehicle
Train crew (other) slip, trip or fall (<2m) from platform onto the line
Train crew (driver) slip, trip or fall (<2m): unclassifiable
Train crew (driver) slip, trip or fall (<2m) from vehicle
Train crew (driver) slip, trip or fall (<2m) on escalator
Train crew (other) slip, trip or fall (<2m) on bridge
Track worker slip, trip or fall (<2m) in station concourse etc
GOW<2SIG‐E
GTW<2STP‐E
GTW<2CRS‐E
GTD<2PLT‐E
GOW<2SLS‐E
GOW<2CRS‐E
GTC<2CON‐E
GOW<2LAD‐H
GTD<2STP‐E
GTW<2LAD‐H
GOW<2VEH‐E
GTC<2SLS‐E
GOW<2GEN‐E
GTD<2SLS‐E
GTD<2CRS‐E
GTW<2POL‐E
GTW<2GEN‐E
GTC<2TRK‐E
GTW<2PLT‐E
GOW<2POL‐E
GTC<2CRS‐E
GTD<2CON‐E
GOW<2BRG‐E
GOW<2ESC‐E
GTW<2BRG‐E
GTC<2GEN‐E
GTW<2SIG‐E
GTD<2POL‐E
GTC<2ESC‐E
GTC<2VEH‐E
GTC<2POL‐E
GTD<2GEN‐E
GTD<2VEH‐E
GTD<2ESC‐E
GTC<2BRG‐E
GTW<2CON‐E
Version 6.1 – June 2009
Normaliser
Pass. jour
Trk wkr hrs
Trk wkr hrs
Tot trn kms
Pass. jour
Pass. jour
Pass. trn kms
Pass. jour
Tot trn kms
Trk wkr hrs
Pass. jour
Pass. trn kms
Pass. jour
Tot trn kms
Tot trn kms
Trk wkr hrs
Trk wkr hrs
Pass. trn kms
Trk wkr hrs
Pass. jour
Pass. trn kms
Tot trn kms
Pass. jour
Pass. jour
Trk wkr hrs
Pass. trn kms
Trk wkr hrs
Tot trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Pass. trn kms
Trk wkr hrs
National frequency (events/ normaliser)
2.44E‐08
5.59E‐07
2.91E‐07
4.74E‐08
8.69E‐09
1.02E‐08
4.15E‐08
3.26E‐09
2.48E‐08
6.68E‐08
4.23E‐09
8.10E‐09
3.66E‐09
6.24E‐09
8.24E‐09
5.46E‐08
7.03E‐08
7.36E‐09
8.20E‐08
1.63E‐09
5.89E‐09
7.02E‐09
2.99E‐09
3.26E‐09
6.38E‐08
4.42E‐09
5.72E‐08
2.50E‐09
5.15E‐09
1.93E‐09
1.47E‐09
1.50E‐09
7.02E‐10
1.50E‐09
1.58E‐09
1.14E‐08
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
30.00
30.67
16.00
25.29
10.67
12.50
18.80
4.000
13.25
3.667
5.200
3.667
4.500
3.333
4.400
3.000
3.857
3.333
4.500
2.000
2.667
3.750
3.667
4.000
3.500
2.000
3.143
1.333
2.333
0.8750
0.6667
0.8000
0.3750
0.8000
0.7143
0.6250
0.1417
0.1315
0.1199
0.1194
0.1068
0.0937
0.0888
0.0618
0.0568
0.0566
0.0520
0.0367
0.0346
0.0334
0.0330
0.0316
0.0297
0.0250
0.0213
0.0211
0.0200
0.0177
0.0173
0.0172
0.0165
0.0154
0.0148
0.0141
0.0100
0.0087
0.0070
0.0062
0.0037
0.0034
0.0034
0.0030
2.10%
1.95%
1.78%
1.77%
1.58%
1.39%
1.32%
0.92%
0.84%
0.84%
0.77%
0.54%
0.51%
0.49%
0.49%
0.47%
0.44%
0.37%
0.32%
0.31%
0.30%
0.26%
0.26%
0.25%
0.25%
0.23%
0.22%
0.21%
0.15%
0.13%
0.10%
0.09%
0.06%
0.05%
0.05%
0.04%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
7%
80%
80%
‐
7%
7%
‐
33%
1%
80%
33%
‐
33%
1%
1%
80%
80%
‐
‐
‐
‐
‐
7%
‐
80%
‐
80%
1%
‐
‐
‐
1%
1%
‐
‐
‐
75
Table B
Pass. trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Trk wkr hrs
National frequency (events/ normaliser)
2.76E‐10
2.34E‐10
2.34E‐10
2.34E‐10
2.28E‐09
Workforce slip, trip or fall >2m
GTW>2HOL‐E
Track worker slip, trip or fall (>2m) into hole/ pit
GTW>2EMB‐E
Track worker slip, trip or fall (>2m) on embankment/wall/hill/cliff
GOW>2STP‐E
Other workforce slip, trip or fall (>2m) on stairs/steps
GTW>2SCF‐E
Track worker slip, trip or fall (>2m) from scaffold or temporary structure
GTW>2LAD‐H
Track worker slip, trip or fall (>2m) from ladder
GTW>2VEH‐E
Track worker slip, trip or fall (>2m) from vehicle
GOW>2LAD‐H
Other workforce slip, trip or fall (>2m) from ladder
GTW>2BRG‐E
Track worker slip, trip or fall (>2m) from bridge
GTW>2CRN‐E
Track worker slip, trip or fall (>2m) from crane
GOW>2HOL‐E
Other workforce slip, trip or fall (>2m) into hole/pit
GTD>2EMB‐E
Train crew (driver) slip, trip or fall (>2m) on embankment/wall/hill/cliff
GOW>2ROF‐E
Other workforce slip, trip or fall (>2m) from roof/structure
GTW>2GEN‐E
Track worker slip, trip or fall (>2m): unclassifiable
GOW>2EMB‐E
Other workforce slip, trip or fall (>2m) on embankment/wall/hill/cliff
GTW>2ROF‐E
Track worker slip, trip or fall (>2m) from roof/ structure
GTW>2STP‐E
Track worker slip, trip or fall (>2m) on stairs/steps
GOW>2SCF‐E
Other workforce slip, trip or fall (>2m) from scaffold or temporary structure
GTC>2STP‐E
Train crew (other) slip, trip or fall (>2m) on stairs/steps
GOW>2GEN‐E
Other workforce slip, trip or fall (>2m): unclassifiable
GOW>2VEH‐E
Other workforce slip, trip or fall (>2m) from vehicle
Trk wkr hrs
Trk wkr hrs
Pass. jour
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Pass. jour
Trk wkr hrs
Trk wkr hrs
Pass. jour
Tot trn kms
Pass. jour
Trk wkr hrs
Pass. jour
Trk wkr hrs
Trk wkr hrs
Pass. jour
Pass. trn kms
Pass. jour
Pass. jour
Workforce struck/crushed by non‐train vehicle
GTWSTNTV‐E
Track worker struck/crushed by non‐train vehicle
GOWSTNTV‐E
Other workforce struck/crushed by non‐train vehicle
GTCSTNTV‐E
Train crew (other) struck/crushed by non‐train vehicle
GTDSTNTV‐E
Train crew (driver) struck/crushed by non‐train vehicle
Trk wkr hrs
Pass. jour
Pass. trn kms
Tot trn kms
Hazardous Event Precursor code
Number
Cause precursor description
HEN‐24
HEN‐24
HEN‐24
HEN‐24
HEN‐24
GTC<2LAD‐H
GTD<2LAD‐H
GTD<2BRG‐E
GTD<2SIG‐E
GTW<2ESC‐E
Train crew (other) slip, trip or fall (<2m) from ladder
Train crew (driver) slip, trip or fall (<2m) from ladder
Train crew (driver) slip, trip or fall (<2m) on bridge
Train crew (driver) slip, trip or fall (<2m) in signal box
Track worker slip, trip or fall (<2m) on escalator
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐25
HEN‐26
HEN‐26
HEN‐26
HEN‐26
HEN‐26
Version 6.1 – June 2009
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.1250
0.1250
0.1250
0.1250
0.1250
0.0019
0.0019
5.90E‐04
5.90E‐04
5.36E‐04
0.03%
0.03%
0.01%
0.01%
0.01%
D
D
D
D
D
‐
1%
1%
1%
‐
6.92E‐08
4.25E‐08
1.63E‐09
3.04E‐08
2.55E‐08
2.43E‐08
8.14E‐10
1.21E‐08
1.21E‐08
3.26E‐10
7.49E‐10
3.49E‐10
7.29E‐09
2.71E‐10
6.07E‐09
6.07E‐09
1.63E‐10
4.42E‐10
1.16E‐10
1.16E‐10
18.18
3.800
2.333
2.000
1.667
1.400
1.333
1.000
0.6667
0.6667
0.4000
0.4000
0.4286
0.4000
0.3333
0.3333
0.3333
0.2000
0.2000
0.1429
0.1429
0.5968
0.1350
0.0829
0.0608
0.0507
0.0426
0.0405
0.0304
0.0237
0.0237
0.0142
0.0142
0.0130
0.0122
0.0118
0.0101
0.0101
0.0061
0.0061
0.0043
0.0043
100.00%
22.61%
13.89%
10.19%
8.49%
7.13%
6.79%
5.10%
3.97%
3.97%
2.38%
2.38%
2.18%
2.04%
1.98%
1.70%
1.70%
1.02%
1.02%
0.73%
0.73%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
65%
80%
80%
10%
100%
100%
80%
10%
80%
100%
10%
1%
10%
80%
10%
100%
80%
10%
‐
10%
10%
1.34E‐07
4.07E‐09
2.65E‐09
7.49E‐10
13.93
7.333
5.000
1.200
0.4000
0.3259
0.2240
0.0992
0.0021
6.86E‐04
100.00%
68.73%
30.43%
0.63%
0.21%
D
D
D
D
56%
80%
4%
‐
‐
76
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEN‐27
HEN‐27A
HEN‐27A
HEN‐27A
HEN‐27B
HEN‐27B
HEN‐27B
HEN‐27C
HEN‐27C
HEN‐27C
HEN‐27C
HEN‐27C
Workforce burns due to welding etc
Workforce burn due to electrical short circuit
GOWBURNE‐H
Other workforce burn due to electrical short circuit
GTWBURNE‐H
Track worker burn due to electrical short circuit
Workforce burn due to welding or flame cutting
GTWBURNW‐H
Track worker burn due to welding or flame cutting
GOWBURNW‐H
Other workforce burn due to welding or flame cutting
Workforce burn due to other causes
GOWBURNO‐E
Other workforce burn due to other causes
GTWBURNO‐E
Track worker burn due to other causes
GTDBURNO‐E
Train crew (driver) burn due to other causes
GTCBURNO‐E
Train crew (other) burn due to other causes
HEN‐28
HEN‐28A
HEN‐28A
HEN‐28A
HEN‐28A
HEN‐28A
HEN‐28B
HEN‐28B
HEN‐28B
HEN‐28B
HEN‐28B
HEN‐28C
HEN‐28C
HEN‐28C
HEN‐28C
Workforce exposure to arcing
Workforce burn due to/exposure to arcing (conductor rail)
GTWARCCO‐E
Track worker burn due to/exposure to arcing: conductor rail
GOWARCCO‐E
Other workforce burn due to/exposure to arcing: conductor rail
GTDARCCO‐E
Train crew (driver) burn due to/exposure to arcing: conductor rail
GTCARCCO‐E
Train crew (other) burn due to/exposure to arcing: conductor rail
Workforce burn due to/exposure to arcing (OHL)
GTWARCOH‐E
Track worker exposure to arcing ‐ OHL
GTDARCOH‐E
Train crew (driver) exposure to arcing: OHL
GOWARCOH‐E
Other workforce exposure to arcing: OHL
GTCARCOH‐E
Train crew (other) exposure to arcing: OHL
Workforce burn due to/exposure to arcing (other)
GTWARCOT‐E
Track worker exposure to arcing: other causes
GTDARCOT‐E
Train crew (driver) exposure to arcing: other causes
GTCARCOT‐E
Train crew (other) exposure to arcing: other causes
HEN‐29
Workforce exposure to hazardous substances (including stings, bites and needle injuries)
Track worker exposure to hazardous substances including insect and animal bites, needle GTWEXHAZ‐E
stick injuries
Other workforce exposure to hazardous substances including insect and animal bites, needle GOWEXHAZ‐E
stick injuries
Train crew (other) exposure to hazardous substances including insect and animal bites, GTCEXHAZ‐E
needle stick injuries
Train crew (driver) exposure to hazardous substances including insect and animal bites, GTDREXHAZ‐E
needle stick injuries
HEN‐29
HEN‐29
HEN‐29
HEN‐29
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Pass. jour
Trk wkr hrs
4.65E‐10
6.07E‐09
Trk wkr hrs
Pass. jour
2.00E‐07
3.49E‐10
Pass. jour
Trk wkr hrs
Tot trn kms
Pass. trn kms
9.12E‐09
1.73E‐07
2.41E‐09
2.21E‐09
Trk wkr hrs
Pass. jour
Tot trn kms
Pass. trn kms
7.29E‐08
6.15E‐10
8.03E‐10
2.50E‐10
Trk wkr hrs
Tot trn kms
Pass. jour
Pass. trn kms
1.21E‐08
3.75E‐10
3.62E‐11
3.50E‐11
Trk wkr hrs
Tot trn kms
Pass. trn kms
1.30E‐08
2.68E‐10
3.00E‐11
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
35.32
0.9048
0.5714
0.3333
11.43
11.00
0.4286
22.99
11.20
9.500
1.286
1.000
0.0678
0.0017
0.0011
6.39E‐04
0.0219
0.0211
8.22E‐04
0.0441
0.0215
0.0182
0.0025
0.0019
100.00%
2.56%
1.62%
0.94%
32.36%
31.14%
1.21%
65.08%
31.71%
26.90%
3.64%
2.83%
7.095
5.298
4.000
0.7556
0.4286
0.1134
0.9269
0.6667
0.2000
0.0444
0.0159
0.8707
0.7143
0.1429
0.0136
0.0982
0.0733
0.0553
0.0105
0.0059
0.0016
0.0128
0.0092
0.0028
6.14E‐04
2.20E‐04
0.0120
0.0099
0.0020
1.88E‐04
100.00%
74.66%
56.38%
10.65%
6.04%
1.60%
13.06%
9.40%
2.82%
0.63%
0.22%
12.27%
10.07%
2.01%
0.19%
76.52
0.1765
100.00%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
E
E
D
D
E
56%
34%
7%
80%
96%
100%
7%
36%
7%
80%
1%
‐
71%
72%
90%
25%
1%
‐
66%
90%
1%
25%
‐
74%
90%
1%
‐
41%
Trk wkr hrs
6.86E‐07
37.67
0.0869
49.22%
D
80%
Pass. jour
2.61E‐08
32.00
0.0738
41.82%
D
5%
Pass. trn kms
8.83E‐09
4.000
0.0092
5.23%
D
‐
Tot trn kms
5.35E‐09
2.857
0.0066
3.73%
D
1%
77
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEN‐30
HEN‐30A
HEN‐30A
HEN‐30A
HEN‐30A
HEN‐30B
HEN‐30B
HEN‐30B
HEN‐30B
Workforce electric shock (conductor rail)
Workforce (other than OTP workforce) electric shock (conductor rail) due to fall
GTWFACON‐H
Track worker electric shock: contact with conductor rail due to fall
GTDFACON‐H
Train crew (driver) electric shock: contact with conductor rail due to fall
GOWFACON‐H
Other workforce electric shock: contact with conductor rail due to fall
Workforce (other than OTP workforce) electric shock (conductor rail) via item/object
GTWITCON‐H
Track worker electric shock: contact with conductor rail via item/object
GTDITCON‐H
Train crew (driver) electric shock: contact with conductor rail via item/object
GOWITCON‐H
Other workforce electric shock: contact with conductor rail via item/object
HEN‐31
HEN‐31A
HEN‐31A
HEN‐31A
HEN‐31B
HEN‐31B
HEN‐31B
HEN‐31B
Workforce electric shock (OHL)
Workforce (other than OTP workforce) electric shock (OHL) (direct contact)
GTWISOHL‐H
Track worker electric shock: contact with OHL due to incorrect isolation
GTDISOHL‐H
Train crew (driver) electric shock: contact with OHL due to incorrect isolation
Workforce (other than OTP workforce) electric shock (OHL) (indirect contact)
GTWITOHL‐H
Track worker electric shock: contact with OHL via item/object
GTDITOHL‐H
Train crew (driver) electric shock: contact with OHL via item/object
GOWITOHL‐H
Other workforce electric shock: contact with OHL via item/object
HEN‐32
HEN‐32
HEN‐32
HEN‐32
HEN‐32
Workforce electric shock (non‐traction supply)
GOWESNTS‐H
Other workforce electric shock (non‐traction supply)
GTWESNTS‐H
Track worker electric shock (non‐traction supply)
GTDESNTS‐H
Train crew (driver) electric shock (non‐traction supply)
GTCESNTS‐H
Train crew (other) electric shock (non‐traction supply)
HEN‐33
HEN‐33A
HEN‐33A
HEN‐33B
HEN‐33B
HEN‐33C
HEN‐33C
Workforce asphyxiation / drowning
Workforce asphyxiation in tunnel
GTWASPHY‐E
Track worker asphyxiation in tunnel
Workforce asphyxiation at station
GTWASPHS‐E
Track worker asphyxiation at station
Workforce asphyxiation (drowning)
GTWDROWN‐E
Track worker drowning
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Trk wkr hrs
Tot trn kms
Pass. jour
1.46E‐08
3.75E‐10
4.34E‐11
Trk wkr hrs
Tot trn kms
Pass. jour
5.46E‐08
7.49E‐10
1.19E‐10
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
4.600
1.053
0.8000
0.2000
0.0533
3.547
3.000
0.4000
0.1467
0.5676
0.4541
0.3449
0.0862
0.0230
0.1135
0.0960
0.0128
0.0047
100.00%
80.01%
60.77%
15.19%
4.05%
19.99%
16.91%
2.26%
0.83%
0.1258
0.0901
0.0801
0.0100
0.0357
0.0281
0.0040
0.0035
100.00%
71.65%
63.69%
7.96%
28.35%
22.36%
3.19%
2.79%
D
D
D
93%
100%
100%
100%
74%
90%
1%
25%
D
D
D
D
28%
7%
80%
1%
‐
Trk wkr hrs
Tot trn kms
7.29E‐09
9.36E‐11
Trk wkr hrs
Tot trn kms
Pass. jour
1.82E‐08
2.68E‐10
1.02E‐10
1.718
0.4500
0.4000
0.0500
1.268
1.000
0.1429
0.1250
Pass. jour
Trk wkr hrs
Tot trn kms
Pass. trn kms
5.43E‐09
5.46E‐08
5.35E‐10
4.42E‐10
10.15
6.667
3.000
0.2857
0.2000
0.0675
0.0443
0.0199
0.0019
0.0013
100.00%
65.67%
29.55%
2.81%
1.97%
0.1855
0.0690
0.0690
0.0690
0.0690
0.0476
0.0476
0.0650
0.0379
0.0379
8.51E‐04
8.51E‐04
0.0262
0.0262
100.00%
58.40%
58.40%
1.31%
1.31%
40.29%
40.29%
Trk wkr hrs
1.26E‐09
Trk wkr hrs
1.26E‐09
Trk wkr hrs
8.67E‐10
D
D
E
D
D
D
D
D
D
D
E
71%
70%
90%
1%
25%
77%
90%
1%
25%
86%
90%
90%
80%
80%
80%
80%
78
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEN‐35
HEN‐35A
HEN‐35A
HEN‐35A
HEN‐35A
HEN‐35A
HEN‐35B
HEN‐35B
Workforce involved in road traffic accident whilst on duty
Workforce (other than OTP workforce) involved in road traffic accident while on duty
GTWRTA‐‐‐H
Track worker involved in road traffic accident
GOWRTA‐‐‐H
Other workforce involved in road traffic accident
GTCRTA‐‐‐H
Train crew(other) involved in road traffic accident
GTDRTA‐‐‐H
Train crew(driver) involved in road traffic accident
Signaller struck by road vehicle
GSIGSTRVH
Signaller struck by road vehicle
HEN‐36
HEN‐36
Normaliser
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
Trk wkr hrs
Pass. jour
Pass. trn kms
Tot trn kms
3.01E‐07
7.56E‐09
2.28E‐09
1.93E‐09
LXs: MCB + CCTV
6.58E‐04
28.11
27.86
16.51
9.287
1.032
1.032
0.2500
0.2500
0.3647
0.3613
0.2141
0.1204
0.0134
0.0134
0.0034
0.0034
100.00%
99.07%
58.71%
33.02%
3.67%
3.67%
0.93%
0.93%
D
13%
13%
15%
13%
‐
1%
‐
‐
Adult trespasser fall while on the mainline railway
KTRSFALL‐H
Adult trespasser fall while on the mainline railway
Trk mts
6.10E‐07
19.00
19.00
0.9496
0.9496
100.00%
100.00%
D
‐
‐
HEN‐37
HEN‐37
HEN‐37
Adult trespasser electric shock (OHL)
KTRSOHLN‐H
Adult trespasser electric shock: contact with OHL not in station
KTRSOHLS‐H
Adult trespasser electric shock: contact with OHL in station
Trk mts
Trk mts
5.14E‐08
4.59E‐09
1.743
1.600
0.1429
0.6037
0.5542
0.0495
100.00%
91.80%
8.20%
D
D
‐
‐
‐
HEN‐38
HEN‐38A
HEN‐38A
HEN‐38B
HEN‐38B
Adult trespasser electric shock (conductor rail)
Adult trespasser electric shock (conductor rail) at station
KTRSCONS‐H
Adult trespasser electric shock: contact with conductor rail at station
Adult trespasser electric shock (conductor rail) not at station
KTRSCONN‐H
Adult trespasser electric shock: contact with conductor rail not at station
6.071
3.455
3.455
2.616
2.616
100.00%
56.91%
56.91%
43.09%
43.09%
D
‐
‐
‐
D
‐
HEN‐39
HEN‐39
HEN‐39
D
D
D
D
Trk mts
1.61E‐07
Trk mts
1.16E‐07
8.600
5.000
5.000
3.600
3.600
Adult trespasser electric shock (non‐traction supply)
KTRSNTSN‐H
Adult trespasser electric shock: contact with non‐traction supplies not in station
KTRSNTSS‐H
Adult trespasser electric shock: contact with non‐traction supplies in station
Trk mts
Trk mts
2.21E‐09
2.21E‐09
0.1379
0.0690
0.0690
0.0058
0.0029
0.0029
100.00%
50.00%
50.00%
D
D
‐
‐
‐
HEN‐40
HEN‐40
Child trespasser fall while on the mainline railway
JTRSFALL‐H
Child trespasser fall while on the mainline railway
Trk mts
7.06E‐08
2.200
2.200
0.1100
0.1100
100.00%
100.00%
D
‐
‐
HEN‐41
HEN‐41
HEN‐41
Child trespasser electric shock (OHL)
JTRSOHLN‐H
Child trespasser electric shock: contact with OHL not in station
JTRSOHLS‐H
Child trespasser electric shock: contact with OHL in station
Trk mts
Trk mts
5.35E‐08
6.42E‐09
1.867
1.667
0.2000
0.2434
0.2174
0.0261
100.00%
89.29%
10.71%
D
D
‐
‐
‐
HEN‐42
HEN‐42
HEN‐42
Child trespasser electric shock (conductor rail)
JTRSCONS‐H
Child trespasser electric shock: contact with conductor rail in station
JTRSCONN‐H
Child trespasser electric shock: contact with conductor rail not in station
Trk mts
Trk mts
2.29E‐08
1.61E‐08
1.214
0.7143
0.5000
0.5119
0.3011
0.2108
100.00%
58.82%
41.18%
D
D
‐
‐
‐
Version 6.1 – June 2009
79
Table B
Hazardous Event Precursor code
Number
Cause precursor description
Normaliser
HEN‐43
Child trespasser electric shock (non‐traction supply)
HEN‐43
JTRSNTSN‐H
Child trespasser electric shock: contact with non‐traction supplies not in station
Trk mts
HEN‐43
JTRSNTSS‐H
Child trespasser electric shock: contact with non‐traction supplies in station
Trk mts
HEN‐44
HEN‐44A
HEN‐44A
HEN‐44A
HEN‐44A
MOP struck / trapped by level crossing equipment
MOP struck/trapped by level crossing equipment on MCB + CCTV level crossing
KEQUCCTV1H
MOP struck/trapped by level crossing equipment ‐ on MCB + CCTV ‐ user error
KEQUCCTV2H
MOP struck/trapped by level crossing equipment ‐ on MCB + CCTV ‐ user violation
KEQUCCTV3H
MOP struck/trapped by level crossing equipment ‐ on MCB + CCTV ‐ proper use: other
MOP struck/trapped by level crossing equipment ‐ on MCB + CCTV ‐ proper use: equipment KEQUCCTV4H
failure
MOP struck/trapped by level crossing equipment ‐ on MCB + CCTV ‐ proper use: signaller KEQUCCTV5H
error
MOP struck/trapped by level crossing equipment on MCB level crossing
KEQUMCB‐2H
MOP struck/trapped by level crossing equipment ‐ on MCB ‐ user violation
KEQUMCB‐1H
MOP struck/trapped by level crossing equipment ‐ on MCB ‐ user error
KEQUMCB‐4H
MOP struck/trapped by level crossing equipment ‐ on MCB ‐ proper use: equipment failure
KEQUMCB‐3H
MOP struck/trapped by level crossing equipment ‐ on MCB ‐ proper use: other
MOP struck/trapped by level crossing equipment on MG level crossing
KEQUMCG‐3H
MOP struck/trapped by level crossing equipment ‐ on MG ‐ proper use: other
KEQUMCG‐1H
MOP struck/trapped by level crossing equipment ‐ on MG ‐ user error
KEQUMCG‐4H
MOP struck/trapped by level crossing equipment ‐ on MG ‐ proper use: equipment failure
MOP struck/trapped by level crossing equipment on ABCL level crossing
KEQUABCL1H
MOP struck/trapped by level crossing equipment ‐ on ABCL ‐ user error
KEQUABCL3H
MOP struck/trapped by level crossing equipment ‐ on ABCL ‐ proper use
KEQUABCL2H
MOP struck/trapped by level crossing equipment ‐ on ABCL ‐ user violation
MOP struck/trapped by level crossing equipment on AHB level crossing
KEQUAHB‐1H
MOP struck/trapped by level crossing equipment ‐ on AHB ‐ user error
KEQUAHB‐2H
MOP struck/trapped by level crossing equipment ‐ on AHB ‐ user violation
KEQUAHB‐3H
MOP struck/trapped by level crossing equipment ‐ on AHB ‐ proper use
MOP struck/trapped by level crossing equipment on UWC + MWL level crossing
KEQUUWCM3H
MOP struck/trapped by level crossing equipment ‐ on UWC + MWL ‐ proper use
KEQUUWCM1H
MOP struck/trapped by level crossing equipment ‐ on UWC + MWL ‐ user error
KEQUUWCM2H
MOP struck/trapped by level crossing equipment ‐ on UWC + MWL ‐ user violation
HEN‐44A
HEN‐44A
HEN‐44B
HEN‐44B
HEN‐44B
HEN‐44B
HEN‐44B
HEN‐44C
HEN‐44C
HEN‐44C
HEN‐44C
HEN‐44D
HEN‐44D
HEN‐44D
HEN‐44D
HEN‐44E
HEN‐44E
HEN‐44E
HEN‐44E
HEN‐44G
HEN‐44G
HEN‐44G
HEN‐44G
Version 6.1 – June 2009
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.2000
0.0084
100.00%
‐
3.21E‐09
0.1000
0.0042
50.00%
D
‐
3.21E‐09
0.1000
0.0042
50.00%
D
‐
LXs: MCB + CCTV
LXs: MCB + CCTV
LXs: MCB + CCTV
0.0114
0.0061
0.0035
14.47
10.000
4.333
2.333
1.333
0.3222
0.2226
0.0965
0.0519
0.0297
100.00%
69.10%
29.94%
16.12%
9.21%
D
D
D
‐
‐
‐
‐
‐
LXs: MCB + CCTV
0.0035
1.333
0.0297
9.21%
D
‐
LXs: MCB + CCTV
0.0018
0.6667
0.0148
4.61%
D
‐
LXs: MCB
LXs: MCB
LXs: MCB
LXs: MCB
0.0043
0.0024
0.0014
8.55E‐04
D
D
E
‐
‐
‐
LXs: ABCL
LXs: ABCL
LXs: ABCL
8.74E‐04
7.98E‐04
4.37E‐04
D
D
D
‐
‐
‐
LXs: AHB
LXs: AHB
LXs: AHB
5.39E‐04
2.70E‐04
2.31E‐04
D
D
D
‐
‐
‐
LXs: UWC + MWL
LXs: UWC + MWL
LXs: UWC + MWL
6.28E‐04
1.05E‐04
9.14E‐05
14.54%
6.91%
3.95%
2.30%
1.38%
4.82%
2.96%
0.99%
0.87%
0.70%
0.29%
0.26%
0.14%
3.25%
1.68%
0.84%
0.72%
0.50%
0.38%
0.06%
0.06%
‐
‐
‐
‐
0.0022
7.48E‐04
6.60E‐04
0.0469
0.0223
0.0127
0.0074
0.0045
0.0155
0.0095
0.0032
0.0028
0.0023
9.34E‐04
8.53E‐04
4.67E‐04
0.0105
0.0054
0.0027
0.0023
0.0016
0.0012
2.05E‐04
1.79E‐04
D
D
D
D
LXs: MG
LXs: MG
LXs: MG
2.105
1.000
0.5714
0.3333
0.2000
0.6975
0.4286
0.1429
0.1260
0.1012
0.0420
0.0383
0.0210
0.4702
0.2438
0.1219
0.1045
0.0725
0.0553
0.0092
0.0080
D
D
E
‐
‐
‐
80
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEN‐44H
HEN‐44H
HEN‐44H
HEN‐44H
HEN‐44I
HEN‐44I
HEN‐44I
HEN‐44I
HEN‐44K
HEN‐44K
HEN‐44K
HEN‐44K
HEN‐44L
HEN‐44L
HEN‐44L
HEN‐44L
MOP struck/trapped by level crossing equipment on UWC + T level crossing
KEQUUWCT3H
MOP struck/trapped by level crossing equipment ‐ on UWC + T ‐ proper use
KEQUUWCT1H
MOP struck/trapped by level crossing equipment ‐ on UWC + T ‐ user error
KEQUUWCT2H
MOP struck/trapped by level crossing equipment ‐ on UWC + T ‐ user violation
MOP struck/trapped by level crossing equipment on UWC level crossing
KEQUUWC‐3H
MOP struck/trapped by level crossing equipment ‐ on UWC ‐ proper use
KEQUUWC‐1H
MOP struck/trapped by level crossing equipment ‐ on UWC ‐ user error
KEQUUWC‐2H
MOP struck/trapped by level crossing equipment ‐ on UWC ‐ user violation
MOP struck/trapped by level crossing equipment on FP + MWL level crossing
KEQUFPM‐3H
MOP struck/trapped by level crossing equipment ‐ on FP + MWL ‐ proper use
KEQUFPM‐1H
MOP struck/trapped by level crossing equipment ‐ on FP + MWL ‐ user error
KEQUFPM‐2H
MOP struck/trapped by level crossing equipment ‐ on FP + MWL ‐ user violation
MOP struck/trapped by level crossing equipment on FP level crossing
KEQUFP‐‐3H
MOP struck/trapped by level crossing equipment ‐ on FP ‐ proper use
KEQUFP‐‐1H
MOP struck/trapped by level crossing equipment ‐ on FP ‐ user error
KEQUFP‐‐2H
MOP struck/trapped by level crossing equipment ‐ on FP ‐ user violation
HEN‐45
HEN‐45A
HEN‐45A
HEN‐45B
MOP (non‐trespasser) fall from outside onto the mainline railway
MOP (non‐trespasser) fall from outside onto the mainline railway from bridge (incl. RTA)
KRCIFBRG‐H
MOP (non‐trespasser) fall from outside onto the mainline railway from bridge, footbridge
MOP (non‐trespasser) fall from outside onto the mainline railway from wall, bank, roof or fence (incl. RTA)
MOP (non‐trespasser) fall from outside onto the mainline railway from wall, bank, roof, KRCIFOTH‐H
fence, etc
MOP (non‐trespasser) fall from outside onto the mainline railway from other eg viaduct (incl. RTA)
KRCIFOTT‐H
MOP (non‐trespasser) fall from outside onto the mainline railway from other eg viaduct
HEN‐45B
HEN‐45C
HEN‐45C
HEN‐46
HEN‐46A
HEN‐46A
HEN‐46A
HEN‐46A
HEN‐46A
HEN‐46A
HEN‐46A
HEN‐46A
MOP slip, trip or fall on level crossing or footpath crossing
MOP slip, trip or fall on MCB + CCTV level crossing
KSTFCCTV3H
MOP pedestrian slip, trip or fall on level crossing ‐ on MCB + CCTV ‐ proper use: other
MOP pedestrian slip, trip or fall on level crossing ‐ on MCB + CCTV ‐ proper use: crossing KSTFCCTV4H
surface in need of maintenance
KCYCCCTV3H
MOP cyclist fall on level crossing ‐ on MCB + CCTV ‐ proper use: other
MOP cyclist fall on level crossing ‐ on MCB + CCTV ‐ proper use: crossing surface in need of KCYCCCTV4H
maintenance
KSTFCCTV1H
MOP pedestrian slip, trip or fall on level crossing ‐ on MCB + CCTV ‐ user error
KMOTCCTV3H
MOP motorcyclist fall on level crossing ‐ on MCB + CCTV ‐ proper use: other
KCYCCCTV1H
MOP cyclist fall on level crossing ‐ on MCB + CCTV ‐ user error
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
LXs: UWC + T
LXs: UWC + T
LXs: UWC + T
8.55E‐05
1.43E‐05
1.07E‐05
LXs: UWC
LXs: UWC
LXs: UWC
1.55E‐04
2.59E‐05
1.72E‐05
LXs: FP + MWL
LXs: FP + MWL
LXs: FP + MWL
7.82E‐04
1.30E‐04
1.03E‐04
LXs: FP
LXs: FP
LXs: FP
2.14E‐04
3.57E‐05
2.33E‐05
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.1795
0.1389
0.0231
0.0174
0.1944
0.1522
0.0254
0.0169
0.0356
0.0274
0.0046
0.0036
0.6166
0.4834
0.0806
0.0526
0.0040
0.0031
5.15E‐04
3.88E‐04
0.0043
0.0034
5.65E‐04
3.75E‐04
7.92E‐04
6.10E‐04
1.02E‐04
8.05E‐05
0.0137
0.0108
0.0018
0.0012
1.24%
0.96%
0.16%
0.12%
1.34%
1.05%
0.18%
0.12%
0.25%
0.19%
0.03%
0.03%
4.26%
3.34%
0.56%
0.36%
14.26
9.800
9.800
3.600
3.202
2.695
2.695
0.3384
100.00%
84.15%
84.15%
10.57%
D
D
E
‐
‐
‐
D
D
E
‐
‐
‐
D
D
E
‐
‐
‐
D
D
E
‐
‐
‐
D
‐
‐
‐
‐
Trk mts
3.15E‐07
Trk mts
1.16E‐07
3.600
0.3384
10.57%
D
‐
Trk mts
2.75E‐08
0.8571
0.8571
0.1693
0.1693
5.29%
5.29%
D
‐
‐
LXs: MCB + CCTV
0.0048
15.34
6.441
1.813
0.4267
0.1792
0.0504
100.00%
42.00%
11.82%
D
‐
‐
‐
LXs: MCB + CCTV
0.0030
1.133
0.0315
7.39%
D
‐
LXs: MCB + CCTV
0.0024
0.9066
0.0252
5.91%
D
‐
LXs: MCB + CCTV
0.0020
0.7555
0.0210
4.93%
D
‐
LXs: MCB + CCTV
LXs: MCB + CCTV
LXs: MCB + CCTV
0.0014
9.94E‐04
7.95E‐04
0.5289
0.3778
0.3022
0.0147
0.0105
0.0084
3.45%
2.46%
1.97%
D
D
D
‐
‐
‐
81
Table B
Hazardous Event Precursor code
Number
HEN‐46A
HEN‐46A
HEN‐46A
HEN‐46A
HEN‐46A
HEN‐46B
HEN‐46B
HEN‐46B
HEN‐46B
HEN‐46B
HEN‐46B
HEN‐46B
HEN‐46B
HEN‐46B
HEN‐46B
HEN‐46B
HEN‐46B
HEN‐46B
HEN‐46C
HEN‐46C
HEN‐46C
HEN‐46C
HEN‐46C
HEN‐46C
HEN‐46C
HEN‐46C
HEN‐46C
HEN‐46C
HEN‐46C
Cause precursor description
KSTFCCTV2H
MOP pedestrian slip, trip or fall on level crossing ‐ on MCB + CCTV ‐ user violation
MOP motorcyclist fall on level crossing ‐ on MCB + CCTV ‐ proper use: crossing surface in KMOTCCTV4H
need of maintenance
KCYCCCTV2H
MOP cyclist fall on level crossing ‐ on MCB + CCTV ‐ user violation
KMOTCCTV1H
MOP motorcyclist fall on level crossing ‐ on MCB + CCTV ‐ user error
KMOTCCTV2H
MOP motorcyclist fall on level crossing ‐ on MCB + CCTV ‐ user violation
MOP slip, trip or fall on MCB level crossing
KSTFMCB‐3H
MOP pedestrian slip, trip or fall on level crossing ‐ on MCB ‐ proper use: other
MOP pedestrian slip, trip or fall on level crossing ‐ on MCB ‐ proper use: crossing surface in KSTFMCB‐4H
need of maintenance
KCYCMCB‐3H
MOP cyclist fall on level crossing ‐ on MCB ‐ proper use: other
MOP cyclist fall on level crossing ‐ on MCB ‐ proper use: crossing surface in need of KCYCMCB‐4H
maintenance
KSTFMCB‐1H
MOP pedestrian slip, trip or fall on level crossing ‐ on MCB ‐ user error
KMOTMCB‐3H
MOP motorcyclist fall on level crossing ‐ on MCB ‐ proper use: other
KCYCMCB‐1H
MOP cyclist fall on level crossing ‐ on MCB ‐ user error
KSTFMCB‐2H
MOP pedestrian slip, trip or fall on level crossing ‐ on MCB ‐ user violation
MOP motorcyclist fall on level crossing ‐ on MCB ‐ proper use: crossing surface in need of KMOTMCB‐4H
maintenance
KMOTMCB‐1H
MOP motorcyclist fall on level crossing ‐ on MCB ‐ user error
KCYCMCB‐2H
MOP cyclist fall on level crossing ‐ on MCB ‐ user violation
KMOTMCB‐2H
MOP motorcyclist fall on level crossing ‐ on MCB ‐ user violation
MOP slip, trip or fall on MG level crossing
KSTFMCG‐3H
MOP pedestrian slip, trip or fall on level crossing ‐ on MG ‐ proper use: other
MOP pedestrian slip, trip or fall on level crossing ‐ on MG ‐ proper use: crossing surface in KSTFMCG‐4H
need of maintenance
KCYCMCG‐3H
MOP cyclist fall on level crossing ‐ on MG ‐ proper use: other
MOP cyclist fall on level crossing ‐ on MG ‐ proper use: crossing surface in need of KCYCMCG‐4H
maintenance
KSTFMCG‐1H
MOP pedestrian slip, trip or fall on level crossing ‐ on MG ‐ user error
KMOTMCG‐3H
MOP motorcyclist fall on level crossing ‐ on MG ‐ proper use: other
KCYCMCG‐1H
MOP cyclist fall on level crossing ‐ on MG ‐ user error
KSTFMCG‐2H
MOP pedestrian slip, trip or fall on level crossing ‐ on MG ‐ user violation
MOP motorcyclist fall on level crossing ‐ on MG ‐ proper use: crossing surface in need of KMOTMCG‐4H
maintenance
KMOTMCG‐1H
MOP motorcyclist fall on level crossing ‐ on MG ‐ user error
Version 6.1 – June 2009
LXs: MCB + CCTV
National frequency (events/ normaliser)
7.23E‐04
LXs: MCB + CCTV
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.2746
0.0076
1.79%
D
‐
3.98E‐04
0.1511
0.0042
0.99%
D
‐
LXs: MCB + CCTV
LXs: MCB + CCTV
LXs: MCB + CCTV
2.41E‐04
1.99E‐04
8.12E‐05
0.0044
0.0025
0.0021
8.58E‐04
0.0997
0.0285
0.60%
0.49%
0.20%
23.36%
6.69%
D
D
E
LXs: MCB
0.0915
0.0756
0.0308
3.583
1.026
D
‐
‐
‐
‐
‐
LXs: MCB
0.0027
0.6409
0.0178
4.18%
D
‐
LXs: MCB
0.0022
0.5128
0.0143
3.34%
D
‐
LXs: MCB
0.0018
0.4273
0.0119
2.79%
D
‐
LXs: MCB
LXs: MCB
LXs: MCB
LXs: MCB
0.0013
9.13E‐04
7.30E‐04
4.71E‐04
0.2991
0.2136
0.1709
0.1103
0.0083
0.0059
0.0048
0.0031
1.95%
1.39%
1.11%
0.72%
D
D
D
D
‐
‐
‐
‐
LXs: MCB
3.65E‐04
0.0855
0.0024
0.56%
D
‐
LXs: MCB
LXs: MCB
LXs: MCB
1.83E‐04
1.57E‐04
7.45E‐05
0.0010
0.0012
0.0010
4.85E‐04
0.0188
0.0054
0.28%
0.24%
0.11%
4.40%
1.26%
D
D
E
LXs: MG
0.0427
0.0368
0.0174
0.6748
0.1939
D
‐
‐
‐
‐
‐
LXs: MG
6.34E‐04
0.1212
0.0034
0.79%
D
‐
LXs: MG
5.08E‐04
0.0969
0.0027
0.63%
D
‐
LXs: MG
4.23E‐04
0.0808
0.0022
0.53%
D
‐
LXs: MG
LXs: MG
LXs: MG
LXs: MG
2.96E‐04
2.11E‐04
1.69E‐04
9.94E‐05
0.0565
0.0404
0.0323
0.0190
0.0016
0.0011
8.99E‐04
5.28E‐04
0.37%
0.26%
0.21%
0.12%
D
D
D
D
‐
‐
‐
‐
LXs: MG
8.46E‐05
0.0162
4.49E‐04
0.11%
D
‐
LXs: MG
4.23E‐05
0.0081
2.25E‐04
0.05%
D
‐
82
Table B
Hazardous Event Precursor code
Number
HEN‐46C
HEN‐46C
HEN‐46D
HEN‐46D
HEN‐46D
HEN‐46D
HEN‐46D
HEN‐46D
HEN‐46D
HEN‐46D
HEN‐46D
HEN‐46D
HEN‐46D
HEN‐46D
HEN‐46D
HEN‐46E
HEN‐46E
HEN‐46E
HEN‐46E
HEN‐46E
HEN‐46E
HEN‐46E
HEN‐46E
HEN‐46E
HEN‐46E
HEN‐46E
HEN‐46E
HEN‐46E
Cause precursor description
KCYCMCG‐2H
MOP cyclist fall on level crossing ‐ on MG ‐ user violation
KMOTMCG‐2H
MOP motorcyclist fall on level crossing ‐ on MG ‐ user violation
MOP slip, trip or fall on ABCL level crossing
KSTFABCL3H
MOP pedestrian slip, trip or fall on level crossing ‐ on ABCL ‐ proper use: other
MOP pedestrian slip, trip or fall on level crossing ‐ on ABCL ‐ proper use: crossing surface in KSTFABCL4H
need of maintenance
KCYCABCL3H
MOP cyclist fall on level crossing ‐ on ABCL ‐ proper use: other
MOP cyclist fall on level crossing ‐ on ABCL ‐ proper use: crossing surface in need of KCYCABCL4H
maintenance
KSTFABCL1H
MOP pedestrian slip, trip or fall on level crossing ‐ on ABCL ‐ user error
KMOTABCL3H
MOP motorcyclist fall on level crossing ‐ on ABCL ‐ proper use: other
KCYCABCL1H
MOP cyclist fall on level crossing ‐ on ABCL ‐ user error
MOP motorcyclist fall on level crossing ‐ on ABCL ‐ proper use: crossing surface in need of KMOTABCL4H
maintenance
KSTFABCL2H
MOP pedestrian slip, trip or fall on level crossing ‐ on ABCL ‐ user violation
KMOTABCL1H
MOP motorcyclist fall on level crossing ‐ on ABCL ‐ user error
KMOTABCL2H
MOP motorcyclist fall on level crossing ‐ on ABCL ‐ user violation
KCYCABCL2H
MOP cyclist fall on level crossing ‐ on ABCL ‐ user violation
MOP slip, trip or fall on AHB level crossing
KSTFAHB‐3H
MOP pedestrian slip, trip or fall on level crossing ‐ on AHB ‐ proper use: other
MOP pedestrian slip, trip or fall on level crossing ‐ on AHB ‐ proper use: crossing surface in KSTFAHB‐4H
need of maintenance
KCYCAHB‐3H
MOP cyclist fall on level crossing ‐ on AHB ‐ proper use: other
MOP cyclist fall on level crossing ‐ on AHB ‐ proper use: crossing surface in need of KCYCAHB‐4H
maintenance
KSTFAHB‐1H
MOP pedestrian slip, trip or fall on level crossing ‐ on AHB ‐ user error
KMOTAHB‐3H
MOP motorcyclist fall on level crossing ‐ on AHB ‐ proper use: other
KCYCAHB‐1H
MOP cyclist fall on level crossing ‐ on AHB ‐ user error
KSTFAHB‐2H
MOP pedestrian slip, trip or fall on level crossing ‐ on AHB ‐ user violation
MOP motorcyclist fall on level crossing ‐ on AHB ‐ proper use: crossing surface in need of KMOTAHB‐4H
maintenance
KMOTAHB‐1H
MOP motorcyclist fall on level crossing ‐ on AHB ‐ user error
KCYCAHB‐2H
MOP cyclist fall on level crossing ‐ on AHB ‐ user violation
KMOTAHB‐2H
MOP motorcyclist fall on level crossing ‐ on AHB ‐ user violation
Version 6.1 – June 2009
LXs: MG
LXs: MG
National frequency (events/ normaliser)
3.31E‐05
1.73E‐05
LXs: ABCL
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
1.76E‐04
9.17E‐05
0.0073
0.0021
0.04%
0.02%
1.70%
0.50%
D
E
0.0016
0.0063
0.0033
0.2607
0.0765
D
‐
‐
‐
‐
LXs: ABCL
9.96E‐04
0.0478
0.0013
0.31%
D
‐
LXs: ABCL
7.97E‐04
0.0383
0.0011
0.25%
D
‐
LXs: ABCL
6.64E‐04
0.0319
8.87E‐04
0.21%
D
‐
LXs: ABCL
LXs: ABCL
LXs: ABCL
4.65E‐04
3.32E‐04
2.66E‐04
0.0223
0.0159
0.0128
6.21E‐04
4.43E‐04
3.55E‐04
0.15%
0.10%
0.08%
D
D
D
‐
‐
‐
LXs: ABCL
1.33E‐04
0.0064
1.77E‐04
0.04%
D
‐
LXs: ABCL
LXs: ABCL
LXs: ABCL
LXs: ABCL
6.74E‐05
6.64E‐05
2.71E‐05
2.25E‐05
4.62E‐04
9.00E‐05
8.87E‐05
3.62E‐05
3.00E‐05
0.0202
0.0058
0.02%
0.02%
0.01%
0.01%
4.72%
1.36%
D
D
E
D
LXs: AHB
0.0032
0.0032
0.0013
0.0011
0.7244
0.2087
D
‐
‐
‐
‐
‐
‐
LXs: AHB
2.89E‐04
0.1305
0.0036
0.85%
D
‐
LXs: AHB
2.31E‐04
0.1044
0.0029
0.68%
D
‐
LXs: AHB
1.92E‐04
0.0870
0.0024
0.57%
D
‐
LXs: AHB
LXs: AHB
LXs: AHB
LXs: AHB
1.35E‐04
9.62E‐05
7.70E‐05
4.16E‐05
0.0609
0.0435
0.0348
0.0188
0.0017
0.0012
9.68E‐04
5.23E‐04
0.40%
0.28%
0.23%
0.12%
D
D
D
D
‐
‐
‐
‐
LXs: AHB
3.85E‐05
0.0174
4.84E‐04
0.11%
D
‐
LXs: AHB
LXs: AHB
LXs: AHB
1.92E‐05
1.39E‐05
7.85E‐06
0.0087
0.0063
0.0035
2.42E‐04
1.74E‐04
9.88E‐05
0.06%
0.04%
0.02%
D
E
E
‐
‐
‐
83
Table B
Hazardous Event Precursor code
Number
HEN‐46F
HEN‐46F
HEN‐46F
HEN‐46F
HEN‐46F
HEN‐46F
HEN‐46F
HEN‐46F
HEN‐46F
HEN‐46F
HEN‐46F
HEN‐46F
HEN‐46F
HEN‐46G
HEN‐46G
HEN‐46G
HEN‐46G
HEN‐46G
HEN‐46G
HEN‐46G
HEN‐46G
HEN‐46G
HEN‐46G
HEN‐46G
HEN‐46G
HEN‐46G
Cause precursor description
MOP slip, trip or fall on AOCL level crossing
KSTFAOCL3H
MOP pedestrian slip, trip or fall on level crossing ‐ on AOCL ‐ proper use: other
MOP pedestrian slip, trip or fall on level crossing ‐ on AOCL ‐ proper use: crossing surface in KSTFAOCL4H
need of maintenance
KCYCAOCL3H
MOP cyclist fall on level crossing ‐ on AOCL ‐ proper use: other
MOP cyclist fall on level crossing ‐ on AOCL ‐ proper use: crossing surface in need of KCYCAOCL4H
maintenance
KSTFAOCL1H
MOP pedestrian slip, trip or fall on level crossing ‐ on AOCL ‐ user error
KMOTAOCL3H
MOP motorcyclist fall on level crossing ‐ on AOCL ‐ proper use: other
KCYCAOCL1H
MOP cyclist fall on level crossing ‐ on AOCL ‐ user error
MOP motorcyclist fall on level crossing ‐ on AOCL ‐ proper use: crossing surface in need of KMOTAOCL4H
maintenance
KMOTAOCL1H
MOP motorcyclist fall on level crossing ‐ on AOCL ‐ user error
KSTFAOCL2H
MOP pedestrian slip, trip or fall on level crossing ‐ on AOCL ‐ user violation
KMOTAOCL2H
MOP motorcyclist fall on level crossing ‐ on AOCL ‐ user violation
KCYCAOCL2H
MOP cyclist fall on level crossing ‐ on AOCL ‐ user violation
MOP slip, trip or fall on UWC + MWL level crossing
MOP pedestrian slip, trip or fall on level crossing ‐ on UWC + MWL ‐ proper use: crossing KSTFUWCM4H
surface in need of maintenance
KMOTUWCM3H MOP motorcyclist fall on level crossing ‐ on UWC + MWL ‐ proper use: other
KSTFUWCM1H
MOP pedestrian slip, trip or fall on level crossing ‐ on UWC + MWL ‐ user error
KSTFUWCM3H
MOP pedestrian slip, trip or fall on level crossing ‐ on UWC + MWL ‐ proper use: other
MOP motorcyclist fall on level crossing ‐ on UWC + MWL ‐ proper use: crossing surface in KMOTUWCM4H
need of maintenance
KCYCUWCM3H
MOP cyclist fall on level crossing ‐ on UWC + MWL ‐ proper use: other
MOP cyclist fall on level crossing ‐ on UWC + MWL ‐ proper use: crossing surface in need of KCYCUWCM4H
maintenance
KMOTUWCM1H MOP motorcyclist fall on level crossing ‐ on UWC + MWL ‐ user error
KCYCUWCM1H
MOP cyclist fall on level crossing ‐ on UWC + MWL ‐ user error
KSTFUWCM2H
MOP pedestrian slip, trip or fall on level crossing ‐ on UWC + MWL ‐ user violation
KMOTUWCM2H MOP motorcyclist fall on level crossing ‐ on UWC + MWL ‐ user violation
KCYCUWCM2H
MOP cyclist fall on level crossing ‐ on UWC + MWL ‐ user violation
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
LXs: AOCL
8.65E‐04
0.3512
0.1038
0.0098
0.0029
2.29%
0.68%
D
‐
‐
LXs: AOCL
5.41E‐04
0.0649
0.0018
0.42%
D
‐
LXs: AOCL
4.33E‐04
0.0519
0.0014
0.34%
D
‐
LXs: AOCL
3.60E‐04
0.0433
0.0012
0.28%
D
‐
LXs: AOCL
LXs: AOCL
LXs: AOCL
2.52E‐04
1.80E‐04
1.44E‐04
0.0303
0.0216
0.0173
8.42E‐04
6.02E‐04
4.81E‐04
0.20%
0.14%
0.11%
D
D
D
‐
‐
‐
LXs: AOCL
7.21E‐05
0.0087
2.41E‐04
0.06%
D
‐
LXs: AOCL
LXs: AOCL
LXs: AOCL
LXs: AOCL
3.60E‐05
2.11E‐05
1.47E‐05
7.03E‐06
0.0043
0.0025
0.0018
8.44E‐04
0.2386
1.20E‐04
7.04E‐05
4.91E‐05
2.35E‐05
0.0066
0.03%
0.02%
0.01%
0.01%
1.56%
D
D
E
D
‐
‐
‐
‐
‐
LXs: UWC + MWL
0.0016
0.1368
0.0038
0.89%
D
‐
LXs: UWC + MWL
LXs: UWC + MWL
LXs: UWC + MWL
2.59E‐04
2.59E‐04
2.59E‐04
0.0228
0.0228
0.0228
6.34E‐04
6.34E‐04
6.34E‐04
0.15%
0.15%
0.15%
D
D
D
‐
‐
‐
LXs: UWC + MWL
1.18E‐04
0.0104
2.89E‐04
0.07%
E
‐
LXs: UWC + MWL
8.34E‐05
0.0073
2.04E‐04
0.05%
D
‐
LXs: UWC + MWL
6.30E‐05
0.0055
1.54E‐04
0.04%
D
‐
LXs: UWC + MWL
LXs: UWC + MWL
LXs: UWC + MWL
LXs: UWC + MWL
LXs: UWC + MWL
4.79E‐05
2.55E‐05
2.11E‐05
1.28E‐05
8.10E‐06
0.0042
0.0022
0.0019
0.0011
7.13E‐04
1.17E‐04
6.25E‐05
5.18E‐05
3.13E‐05
1.98E‐05
0.03%
0.01%
0.01%
0.01%
0.00%
E
D
E
E
D
‐
‐
‐
‐
‐
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
84
Table B
Hazardous Event Precursor code
Number
HEN‐46H
HEN‐46H
HEN‐46H
HEN‐46H
HEN‐46H
HEN‐46H
HEN‐46H
HEN‐46H
HEN‐46H
HEN‐46H
HEN‐46H
HEN‐46H
HEN‐46H
HEN‐46I
HEN‐46I
HEN‐46I
HEN‐46I
HEN‐46I
HEN‐46I
HEN‐46I
HEN‐46I
HEN‐46I
HEN‐46I
HEN‐46I
HEN‐46I
HEN‐46I
Cause precursor description
MOP slip, trip or fall on UWC + T level crossing
MOP pedestrian slip, trip or fall on level crossing ‐ on UWC + T ‐ proper use: crossing surface KSTFUWCT4H
in need of maintenance
KMOTUWCT3H
MOP motorcyclist fall on level crossing ‐ on UWC + T ‐ proper use: other
KSTFUWCT1H
MOP pedestrian slip, trip or fall on level crossing ‐ on UWC + T ‐ user error
KSTFUWCT3H
MOP pedestrian slip, trip or fall on level crossing ‐ on UWC + T ‐ proper use: other
MOP motorcyclist fall on level crossing ‐ on UWC + T ‐ proper use: crossing surface in need of KMOTUWCT4H
maintenance
KCYCUWCT3H
MOP cyclist fall on level crossing ‐ on UWC + T ‐ proper use: other
MOP cyclist fall on level crossing ‐ on UWC + T ‐ proper use: crossing surface in need of KCYCUWCT4H
maintenance
KMOTUWCT1H
MOP motorcyclist fall on level crossing ‐ on UWC + T ‐ user error
KCYCUWCT1H
MOP cyclist fall on level crossing ‐ on UWC + T ‐ user error
KSTFUWCT2H
MOP pedestrian slip, trip or fall on level crossing ‐ on UWC + T ‐ user violation
KMOTUWCT2H
MOP motorcyclist fall on level crossing ‐ on UWC + T ‐ user violation
KCYCUWCT2H
MOP cyclist fall on level crossing ‐ on UWC + T ‐ user violation
MOP slip, trip or fall on UWC level crossing
MOP pedestrian slip, trip or fall on level crossing ‐ on UWC ‐ proper use: crossing surface in KSTFUWC‐4H
need of maintenance
KMOTUWC‐3H
MOP motorcyclist fall on level crossing ‐ on UWC ‐ proper use: other
KSTFUWC‐1H
MOP pedestrian slip, trip or fall on level crossing ‐ on UWC ‐ user error
KSTFUWC‐3H
MOP pedestrian slip, trip or fall on level crossing ‐ on UWC ‐ proper use: other
MOP motorcyclist fall on level crossing ‐ on UWC ‐ proper use: crossing surface in need of KMOTUWC‐4H
maintenance
KCYCUWC‐3H
MOP cyclist fall on level crossing ‐ on UWC ‐ proper use: other
MOP cyclist fall on level crossing ‐ on UWC ‐ proper use: crossing surface in need of KCYCUWC‐4H
maintenance
KMOTUWC‐1H
MOP motorcyclist fall on level crossing ‐ on UWC ‐ user error
KCYCUWC‐1H
MOP cyclist fall on level crossing ‐ on UWC ‐ user error
KSTFUWC‐2H
MOP pedestrian slip, trip or fall on level crossing ‐ on UWC ‐ user violation
KMOTUWC‐2H
MOP motorcyclist fall on level crossing ‐ on UWC ‐ user violation
KCYCUWC‐2H
MOP cyclist fall on level crossing ‐ on UWC ‐ user violation
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.5993
0.0167
3.91%
‐
LXs: UWC + T
2.12E‐04
0.3437
0.0096
2.24%
D
‐
LXs: UWC + T
LXs: UWC + T
LXs: UWC + T
3.53E‐05
3.53E‐05
3.53E‐05
0.0573
0.0573
0.0573
0.0016
0.0016
0.0016
0.37%
0.37%
0.37%
D
D
D
‐
‐
‐
LXs: UWC + T
1.61E‐05
0.0261
7.27E‐04
0.17%
E
‐
LXs: UWC + T
1.14E‐05
0.0184
5.13E‐04
0.12%
D
‐
LXs: UWC + T
8.58E‐06
0.0139
3.87E‐04
0.09%
D
‐
LXs: UWC + T
LXs: UWC + T
LXs: UWC + T
LXs: UWC + T
LXs: UWC + T
6.52E‐06
3.48E‐06
2.88E‐06
1.74E‐06
9.53E‐07
0.0106
0.0056
0.0047
0.0028
0.0015
0.6566
2.95E‐04
1.57E‐04
1.30E‐04
7.85E‐05
4.30E‐05
0.0183
0.07%
0.04%
0.03%
0.02%
0.01%
4.28%
E
D
E
E
D
‐
‐
‐
‐
‐
‐
LXs: UWC
3.84E‐04
0.3766
0.0105
2.46%
D
‐
LXs: UWC
LXs: UWC
LXs: UWC
6.41E‐05
6.41E‐05
6.41E‐05
0.0628
0.0628
0.0628
0.0017
0.0017
0.0017
0.41%
0.41%
0.41%
D
D
D
‐
‐
‐
LXs: UWC
2.92E‐05
0.0286
7.96E‐04
0.19%
E
‐
LXs: UWC
2.06E‐05
0.0202
5.62E‐04
0.13%
E
‐
LXs: UWC
1.56E‐05
0.0153
4.25E‐04
0.10%
E
‐
LXs: UWC
LXs: UWC
LXs: UWC
LXs: UWC
LXs: UWC
1.18E‐05
6.31E‐06
5.23E‐06
3.16E‐06
1.53E‐06
0.0116
0.0062
0.0051
0.0031
0.0015
3.23E‐04
1.72E‐04
1.43E‐04
8.61E‐05
4.16E‐05
0.08%
0.04%
0.03%
0.02%
0.01%
E
E
D
E
E
‐
‐
‐
‐
‐
85
Table B
Hazardous Event Precursor code
Number
HEN‐46J
HEN‐46J
Cause precursor description
Normaliser
National frequency (events/ normaliser)
LXs: OC
1.34E‐04
0.0230
0.0068
6.40E‐04
1.90E‐04
0.15%
0.04%
D
‐
‐
LXs: OC
8.38E‐05
0.0043
1.19E‐04
0.03%
D
‐
LXs: OC
6.70E‐05
0.0034
9.51E‐05
0.02%
D
‐
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
HEN‐46L
HEN‐46L
MOP slip, trip or fall on OC level crossing
KSTFOC‐‐3H
MOP pedestrian slip, trip or fall on level crossing ‐ on OC ‐ proper use: other
MOP pedestrian slip, trip or fall on level crossing ‐ on OC ‐ proper use: crossing surface in KSTFOC‐‐4H
need of maintenance
KCYCOC‐‐3H
MOP cyclist fall on level crossing ‐ on OC ‐ proper use: other
MOP cyclist fall on level crossing ‐ on OC ‐ proper use: crossing surface in need of KCYCOC‐‐4H
maintenance
KSTFOC‐‐1H
MOP pedestrian slip, trip or fall on level crossing ‐ on OC ‐ user error
KMOTOC‐‐3H
MOP motorcyclist fall on level crossing ‐ on OC ‐ proper use: other
KCYCOC‐‐1H
MOP cyclist fall on level crossing ‐ on OC ‐ user error
MOP motorcyclist fall on level crossing ‐ on OC ‐ proper use: crossing surface in need of KMOTOC‐‐4H
maintenance
KMOTOC‐‐1H
MOP motorcyclist fall on level crossing ‐ on OC ‐ user error
KMOTOC‐‐2H
MOP motorcyclist fall on level crossing ‐ on OC ‐ user violation
KSTFOC‐‐2H
MOP pedestrian slip, trip or fall on level crossing ‐ on OC ‐ user violation
KCYCOC‐‐2H
MOP cyclist fall on level crossing ‐ on OC ‐ user violation
MOP slip, trip or fall on FP + MWL level crossing
KFPMFALL3H
MOP pedestrian slip, trip or fall on level crossing ‐ on FP + MWL ‐ proper use: other
MOP pedestrian slip, trip or fall on level crossing ‐ on FP + MWL ‐ proper use: crossing KFPMFALL4H
surface in need of maintenance
KFPMFALL1H
MOP pedestrian slip, trip or fall on level crossing ‐ on FP + MWL ‐ user error
KFPMFALL2H
MOP pedestrian slip, trip or fall on level crossing ‐ on FP + MWL ‐ user violation
MOP slip, trip or fall on FP level crossing
KFPCFALL3H
MOP pedestrian slip, trip or fall on level crossing ‐ on FP ‐ proper use: other
MOP pedestrian slip, trip or fall on level crossing ‐ on FP ‐ proper use: crossing surface in KFPCFALL4H
need of maintenance
KFPCFALL1H
MOP pedestrian slip, trip or fall on level crossing ‐ on FP ‐ user error
KFPCFALL2H
MOP pedestrian slip, trip or fall on level crossing ‐ on FP ‐ user violation
HEN‐48
HEN‐48
MOP exposure to fire on the mainline railway
KRCIFIRE‐E
MOP exposed to fire on NRMI
Trk mts
1.61E‐09
0.0500
0.0500
0.0015
0.0015
100.00%
100.00%
E
‐
‐
HEN‐49
HEN‐49
MOP exposure to explosion on the mainline railway
KRCIEXPL‐E
MOP exposed to explosion on NRMI
Trk mts
1.61E‐09
0.0500
0.0500
0.3000
0.3000
100.00%
100.00%
E
‐
‐
HEN‐50
HEN‐50
MOP exposure to electrical arcing
KRCIARC‐‐E
MOP exposed to electrical arcing from the mainline railway
Trk mts
6.42E‐09
0.2000
0.2000
0.0045
0.0045
100.00%
100.00%
D
‐
‐
HEN‐46J
HEN‐46J
HEN‐46J
HEN‐46J
HEN‐46J
HEN‐46J
HEN‐46J
HEN‐46J
HEN‐46J
HEN‐46J
HEN‐46J
HEN‐46K
HEN‐46K
HEN‐46K
HEN‐46K
HEN‐46K
HEN‐46L
HEN‐46L
HEN‐46L
Version 6.1 – June 2009
LXs: OC
5.59E‐05
0.0028
7.93E‐05
0.02%
D
‐
LXs: OC
LXs: OC
LXs: OC
3.91E‐05
2.79E‐05
2.23E‐05
0.0020
0.0014
0.0011
5.55E‐05
3.96E‐05
3.17E‐05
0.01%
0.01%
0.01%
D
D
D
‐
‐
‐
LXs: OC
1.12E‐05
5.70E‐04
1.59E‐05
0.00%
D
‐
LXs: OC
LXs: OC
LXs: OC
LXs: OC
5.59E‐06
2.28E‐06
1.35E‐06
4.48E‐07
0.0013
7.93E‐06
3.24E‐06
1.91E‐06
6.36E‐07
0.0027
0.0013
0.00%
0.00%
0.00%
0.00%
0.62%
0.30%
D
D
D
D
LXs: FP + MWL
2.85E‐04
1.16E‐04
6.86E‐05
2.29E‐05
0.0957
0.0460
D
‐
‐
‐
‐
‐
‐
LXs: FP + MWL
8.75E‐04
0.0306
8.52E‐04
0.20%
D
‐
LXs: FP + MWL
LXs: FP + MWL
4.38E‐04
1.07E‐04
3.60E‐04
4.26E‐04
1.04E‐04
0.0470
0.0226
0.10%
0.02%
11.01%
5.29%
D
E
LXs: FP
0.0153
0.0038
1.689
0.8112
D
‐
‐
‐
‐
LXs: FP
2.40E‐04
0.5408
0.0150
3.53%
D
‐
LXs: FP
LXs: FP
1.20E‐04
2.94E‐05
0.2704
0.0662
0.0075
0.0018
1.76%
0.43%
D
E
‐
‐
86
Table B
Hazardous Event Precursor code
Number
Cause precursor description
Normaliser
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
HEN‐51
HEN‐51
MOP electric shock (OHL)
KOHLCON‐‐H
MOP electric shock ‐ contact with OHL
Trk mts
6.42E‐09
0.2000
0.2000
0.0056
0.0056
100.00%
100.00%
D
‐
‐
HEN‐52
HEN‐52
MOP electric shock (conductor rail)
KCONDCON‐H
MOP electric shock ‐ contact with conductor rail
Trk mts
1.91E‐09
0.0595
0.0595
0.0257
0.0257
100.00%
100.00%
D
‐
‐
HEN‐53
MOP electric shock (non‐traction supplies)
0.2500
0.0017
100.00%
HEN‐53
KSHKNTS‐‐E
HEN‐54
HEN‐54
MOP exposure to hazardous substances leakage on the mainline railway
KHAZORCI‐E
MOP exposed to hazardous substance leakage on NRMI other than station
HEN‐55
Passenger struck by/contact with/trapped in object at station
HEN‐55
PCONOBJRWE
HEN‐55
HEN‐55
HEN‐55
HEN‐55
HEN‐55
HEN‐55
PPOPAS‐‐‐E
PTRAPTCKGE
PPLSOB‐‐‐E
PPOBST‐‐‐E
PPLSPL‐‐‐E
PPVEST‐‐‐E
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
Workforce struck by/contact with/ trapped in object not at station
GTWOBSTR‐P
Track worker struck by moving object
GTWPOWER‐H
Track worker injury while using power/hand tools
GTWSTROB‐H
Track worker injury due to striking/contact with object
GTWL‐M‐C‐H
Track worker injury while lifting/moving/carrying
GTWSTGRITP
Track worker injury due to being struck by grit/dust
GOWSTROB‐H
Other workforce injury due to striking/contact with object
GTWSTCLIP
Track worker injury due to being struck by track clips
GTWSHARP‐H
Track worker injury from contact with sharp object
GOWL‐M‐C‐H
Other workforce injury while lifting/moving/carrying
GTWSTBAR‐P
Track worker injury due to being struck by bars whilst barring rails
GOWOBSTR‐P
Other workforce struck by moving object
GTWTREAD‐H
Track worker injury due to treading on object/into troughing
GTDSTROB‐H
Train crew (driver) injury due to striking/contact with object
GOWPOWER‐H
Other workforce injury while using power/hand tools
MOP electric shock: contact with non‐traction supplies inside the mainline railway
‐
Trk mts
8.03E‐09
0.2500
0.0017
100.00%
D
‐
Trk mts
3.21E‐10
0.0100
0.0100
0.1000
0.1000
100.00%
100.00%
E
‐
‐
370.4
1.303
100.00%
Passenger contact with other object on railway premises eg head strike on station sign
Pass. jour
1.40E‐07
172.4
0.5059
38.82%
D
‐
Passenger injury due to being hit accidentally by other passengers on platform or station
Passenger trapped/injured in ticket gates
Passenger injury due to being hit by objects while on platform
Passenger injury due to being hit by objects not on platform
Passenger injury due to being hit by platform vehicle while on platform
Passenger injury due to being hit by vehicle not on platform
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
Pass. jour
2.98E‐08
7.10E‐08
3.04E‐08
2.35E‐08
4.30E‐09
2.29E‐09
36.59
87.24
37.29
28.83
5.276
2.814
0.3407
0.1872
0.1094
0.0846
0.0491
0.0262
26.14%
14.36%
8.40%
6.49%
3.77%
2.01%
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Pass. jour
Trk wkr hrs
Trk wkr hrs
Pass. jour
Trk wkr hrs
Pass. jour
Trk wkr hrs
Tot trn kms
Pass. jour
2.36E‐06
2.18E‐06
1.33E‐06
1.11E‐06
5.83E‐07
2.50E‐08
4.37E‐07
3.40E‐07
1.25E‐08
2.81E‐07
7.94E‐09
1.70E‐07
1.01E‐08
3.87E‐09
565.7
129.4
119.9
73.14
61.04
32.00
30.67
24.00
18.67
15.40
15.40
9.750
9.333
5.400
4.750
2.411
0.5516
0.5111
0.3118
0.2602
0.1364
0.1307
0.1023
0.0796
0.0656
0.0656
0.0416
0.0398
0.0230
0.0202
100.00%
22.88%
21.19%
12.93%
10.79%
5.66%
5.42%
4.24%
3.30%
2.72%
2.72%
1.72%
1.65%
0.95%
0.84%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
76%
80%
100%
80%
80%
80%
14%
100%
80%
14%
100%
14%
80%
1%
14%
Version 6.1 – June 2009
‐
87
Table B
Tot trn kms
Pass. jour
Pass. jour
Pass. jour
Tot trn kms
Pass. jour
Pass. trn kms
Pass. trn kms
Pass. trn kms
Tot trn kms
Trk wkr hrs
Pass. trn kms
Trk wkr hrs
Tot trn kms
Pass. jour
Tot trn kms
Pass. trn kms
Pass. trn kms
Tot trn kms
Pass. trn kms
National frequency (events/ normaliser)
4.99E‐09
1.90E‐09
1.09E‐09
1.09E‐09
2.25E‐09
8.14E‐10
2.21E‐09
2.21E‐09
2.21E‐09
1.87E‐09
1.82E‐08
1.32E‐09
9.11E‐09
6.24E‐10
1.63E‐10
2.68E‐10
2.36E‐10
1.14E‐10
5.55E‐11
2.18E‐11
Passenger burn (not on train)
PBURNOTTRE
Passenger burns not on train
Pass. jour
HEN‐58
HEN‐58
MOP injury on bridges/steps/subways (other than in stations) whilst on the mainline railway
KBRISTSUBE
Members of public injured on bridges/steps/subways (other than stations) whilst on NRMI
HEN‐59
HEN‐59
MOP struck by/contact with/trapped in object at station
KCONOBJRWE
MOP contact with other object on railway premises
HEN‐60
HEN‐60
HEN‐60
HEN‐60
HEN‐60
Workforce exposure to noise (not on train)
GOWEXPNO‐E
Other workforce exposed to noise (not on train)
GTWEXPNO‐E
Track worker exposed to noise (not on train)
GTCEXPNO‐E
Train crew (other) exposed to noise (not on train)
GTDEXPNO‐E
Train crew (driver) exposed to noise (not on train)
Hazardous Event Precursor code
Number
Cause precursor description
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
HEN‐56
GTDCOUPL‐H
GOWSHARP‐H
GOWCOUPL‐H
GOWSTGRITP
GTDL‐M‐C‐H
GOWTREAD‐H
GTCL‐M‐C‐H
GTCOBSTR‐P
GTCSTROB‐H
GTDOBSTR‐P
GTWCONPE‐H
GTCCOUPL‐H
GTWCOUPL‐H
GTDTREAD‐H
GOWCONPE‐H
GTDSHARP‐H
GTCTREAD‐H
GTCSHARP‐H
GTDCONPE‐H
GTCCONPE‐H
Train crew (driver) injury while coupling/uncoupling rail vehicles
Other workforce injury from contact with sharp object
Other workforce injury while coupling/uncoupling rail vehicles
Other workforce injury due to being struck by grit/dust
Train crew (driver) injury while lifting/moving/carrying
Other workforce injury due to treading on object/into troughing
Train crew (other) injury while lifting/moving/carrying
Train crew (other) struck by moving object
Train crew (other) injury due to striking/contact with object
Train crew (driver) struck by moving object
Track worker injury due to contact with other person
Train crew (other) injury while coupling/uncoupling rail vehicles
Track worker injury while coupling/uncoupling rail vehicles
Train crew (driver) injury due to treading on object/into troughing
Other workforce injury due to contact with other person
Train crew (driver) injury from contact with sharp object
Train crew (other) injury due to treading on object/into troughing
Train crew (other) injury from contact with sharp object
Train crew (driver) injury due to contact with other person
Train crew (other) injury due to contact with other person
HEN‐57
HEN‐57
Version 6.1 – June 2009
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
2.667
2.333
1.333
1.333
1.200
1.000
1.000
1.000
1.000
1.000
1.000
0.6000
0.5000
0.3333
0.2000
0.1429
0.1068
0.0514
0.0296
0.0099
0.0114
0.0099
0.0057
0.0057
0.0051
0.0043
0.0043
0.0043
0.0043
0.0043
0.0043
0.0026
0.0021
0.0014
8.53E‐04
6.09E‐04
4.55E‐04
2.19E‐04
1.26E‐04
4.21E‐05
0.47%
0.41%
0.24%
0.24%
0.21%
0.18%
0.18%
0.18%
0.18%
0.18%
0.18%
0.11%
0.09%
0.06%
0.04%
0.03%
0.02%
0.01%
0.01%
0.00%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
E
D
E
E
1%
14%
14%
14%
1%
14%
‐
‐
‐
1%
80%
‐
100%
1%
14%
1%
‐
‐
1%
‐
5.16E‐09
6.332
6.332
0.0109
0.0109
100.00%
100.00%
D
‐
‐
Pass. jour
1.79E‐09
2.200
2.200
0.0316
0.0316
100.00%
100.00%
D
‐
‐
Pass. jour
8.41E‐09
10.33
10.33
0.0755
0.0755
100.00%
100.00%
D
‐
‐
Pass. jour
Trk wkr hrs
Pass. trn kms
Tot trn kms
1.47E‐09
1.82E‐08
3.15E‐10
2.68E‐10
3.086
1.800
1.000
0.1429
0.1429
0.0038
0.0022
0.0012
1.77E‐04
1.77E‐04
100.00%
58.33%
32.41%
4.63%
4.63%
D
D
D
D
28%
4%
80%
‐
1%
88
Table B
Hazardous Event Precursor code
Number
Cause precursor description
Normaliser
National frequency (events/ normaliser)
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
HEN‐61
HEN‐61
Passenger exposure to noise (not on train)
PEXPONOISE
Passenger exposed to noise
Pass. jour
3.58E‐10
0.4394
0.4394
4.39E‐04
4.39E‐04
100.00%
100.00%
D
‐
‐
HEN‐62
HEN‐62
HEN‐62
HEN‐62
HEN‐62
HEN‐62
HEN‐62
HEN‐62
HEN‐62
HEN‐62
HEN‐62
HEN‐62
HEN‐62
Passenger on‐train incident (excluding sudden train movement & assaults)
POTSTF‐‐‐E
Passenger on‐train: slip, trip or fall
POTOHEAT‐E
Passenger on‐train: fainting due to train overheating (not leading to evacuation)
POTINDOO‐E
Passenger on‐train: caught by internal train doors
POTSTROB‐E
Passenger on‐train: strike against object
POTOTDEF‐E
Passenger on‐train: other train defect
POTSTFLL‐E
Passenger on‐train: struck by moving object
POTSCOBN‐E
Passenger on‐train: scald/burn
POTOTH‐‐‐E
Passenger on‐train: other cause
POTCAUSH‐E
Passenger on‐train: caught on sharp object
POTINSB‐‐E
Passenger on‐train: animal/insect bite
POTDROPL‐E
Passenger on‐train: struck by droplight
POTCAUNS‐E
Passenger on‐train: caught on needle/syringe
Pass. kms
Pass. kms
Pass. kms
Pass. kms
Pass. kms
Pass. kms
Pass. kms
Pass. kms
Pass. kms
Pass. kms
Pass. kms
Pass. kms
3.41E‐09
1.02E‐10
3.32E‐09
2.49E‐09
2.40E‐09
2.29E‐09
1.66E‐09
3.79E‐10
1.13E‐09
1.22E‐10
1.38E‐10
5.83E‐11
846.9
165.0
4.931
160.7
120.5
116.3
110.8
80.36
18.33
54.63
5.918
6.697
2.820
3.184
1.316
0.3649
0.3223
0.2418
0.2333
0.2222
0.1612
0.1462
0.1096
0.0472
0.0134
0.0057
100.00%
41.33%
11.46%
10.12%
7.59%
7.33%
6.98%
5.06%
4.59%
3.44%
1.48%
0.42%
0.18%
D
D
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
Workforce on‐train incident (excluding sudden train movement & assaults)
GTCOTOBJ‐E
Train crew (other) on‐train: strike against object
GTCOTINT‐E
Train crew (other) on‐train: caught by internal train doors
GTDOTDEF‐E
Train crew (driver) on‐train: other train defect
GTCOTSTF‐E
Train crew (other) on‐train: slip, trip or fall
GTCOTDEF‐E
Train crew (other) on‐train: other train defect
GTCOTSCA‐E
Train crew (other) on‐train: scald/burn
GTCOTCAT‐E
Train crew (other) on‐train: injured by catering trolley
GTDOTOBJ‐E
Train crew (driver) on‐train: strike against object
GTCOTLUG‐E
Train crew (other) on‐train: struck by moving object
GTCOTSHA‐E
Train crew (other) on‐train: caught by sharp object
GTDOTINT‐E
Train crew (driver) on‐train: caught by internal train doors
GTCOHEAT‐E
Train crew (other) on‐train: fainting due to train overheating (not leading to evacuation)
GTCDROPL‐E
Train crew (other) on‐train: struck by droplight
GTDOTHAZ‐E
Train crew (driver) on‐train: exposure to hazardous substance
GTDOTSTF‐E
Train crew (driver) on‐train: slip, trip or fall
GTCOTOTH‐E
Train crew (other) on‐train: other
GTDOTOTH‐E
Train crew (driver) on‐train: other
GTCOTHAZ‐E
Train crew (other) on‐train: exposure to hazardous substance
GTCOTBIT‐E
Train crew (other) on‐train: animal/insect bite
Pass. trn kms
Pass. trn kms
Tot trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Tot trn kms
Pass. trn kms
Pass. trn kms
Tot trn kms
Pass. trn kms
Pass. trn kms
Tot trn kms
Tot trn kms
Pass. trn kms
Tot trn kms
Pass. trn kms
Pass. trn kms
4.39E‐07
3.05E‐07
2.10E‐07
2.29E‐07
1.83E‐07
3.03E‐07
1.27E‐07
9.57E‐08
1.05E‐07
1.88E‐07
4.31E‐08
1.26E‐09
4.05E‐08
3.26E‐08
3.07E‐08
3.24E‐08
2.72E‐08
3.02E‐08
4.86E‐08
1276.0
198.7
138.3
112.3
103.7
83.00
137.3
57.67
51.11
47.67
85.00
23.00
0.5714
18.33
17.39
16.40
14.67
14.50
13.67
22.00
2.666
0.4587
0.3194
0.2593
0.2393
0.1916
0.1663
0.1331
0.1180
0.1100
0.1029
0.0531
0.0436
0.0423
0.0401
0.0379
0.0339
0.0335
0.0316
0.0266
100.00%
17.20%
11.98%
9.73%
8.98%
7.19%
6.24%
4.99%
4.43%
4.13%
3.86%
1.99%
1.63%
1.59%
1.51%
1.42%
1.27%
1.26%
1.18%
1.00%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
1%
‐
‐
1%
‐
‐
‐
‐
1%
‐
‐
1%
‐
‐
1%
1%
‐
1%
‐
‐
Version 6.1 – June 2009
89
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
Other workforce on‐train: caught by internal train doors
Other workforce on‐train: strike against object
Train crew (driver) on‐train: caught by sharp object
Other workforce on‐train: other train defect
Train crew (other) on‐train: electric shock
Other workforce on‐train: slip, trip or fall
Train crew (other) on‐train: caught on needle/syringe
Train crew (driver) on‐train: struck by droplight
Other workforce on‐train: struck by moving object
Other workforce on‐train: caught by sharp object
Other workforce on‐train: caught on needle/syringe
Train crew (driver) on‐train: struck by moving object
Train crew (driver) on‐train: exposed to noise
Train crew (driver) on‐train: animal/insect bite
Train crew (driver) on‐train: fainting due to train overheating (not leading to evacuation)
Train crew (driver) on‐train: electric shock
Other workforce on‐train: struck by droplight
Other workforce on‐train: exposure to hazardous substance
Other workforce on‐train: other
Train crew (other) on‐train: exposed to noise
Track worker on‐train: slip, trip or fall
Track worker on‐train: strike against object
Train crew (driver) on‐train: scald/burn
Other workforce on‐train: injured by catering trolley
Other workforce on‐train: fainting due to train overheating (not leading to evacuation)
Train crew (driver) on‐train: caught on needle/syringe
Track worker on‐train: other train defect
Other workforce on‐train: scald/burn
Train crew (driver) on‐train: injured by catering trolley
Track worker on‐train: caught by internal train doors
Other workforce on‐train: animal/insect bite
Other workforce on‐train: electric shock
Track worker on‐train: struck by moving object
Track worker on‐train: other
Track worker on‐train: caught by sharp object
Track worker on‐train: scald/burn
GOWOTINT‐E
GOWOTOBJ‐E
GTDOTSHA‐E
GOWOTDEF‐E
GTCOTELE‐E
GOWOTSTF‐E
GTCOTSYR‐E
GTDDROPL‐E
GOWOTLUG‐E
GOWOTSHA‐E
GOWOTSYR‐E
GTDOTLUG‐E
GTDOTNOI‐E
GTDOTBIT‐E
GTDOHEAT‐E
GTDOTELE‐E
GOWDROPL‐E
GOWOTHAZ‐E
GOWOTOTH‐E
GTCOTNOI‐E
GTWOTSTF‐E
GTWOTOBJ‐E
GTDOTSCA‐E
GOWOTCAT‐E
GOWOHEAT‐E
GTDOTSYR‐E
GTWOTDEF‐E
GOWOTSCA‐E
GTDOTCAT‐E
GTWOTINT‐E
GOWOTBIT‐E
GOWOTELE‐E
GTWOTLUG‐E
GTWOTOTH‐E
GTWOTSHA‐E
GTWOTSCA‐E
Version 6.1 – June 2009
Normaliser
Pass. jour
Pass. jour
Tot trn kms
Pass. jour
Pass. trn kms
Pass. jour
Pass. trn kms
Tot trn kms
Pass. jour
Pass. jour
Pass. jour
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Tot trn kms
Pass. jour
Pass. jour
Pass. jour
Pass. trn kms
Trk wkr hrs
Trk wkr hrs
Tot trn kms
Pass. jour
Pass. jour
Tot trn kms
Trk wkr hrs
Pass. jour
Tot trn kms
Trk wkr hrs
Pass. jour
Pass. jour
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
National frequency (events/ normaliser)
8.69E‐09
8.69E‐09
3.00E‐08
5.70E‐09
2.58E‐08
4.34E‐09
1.18E‐08
9.99E‐09
4.07E‐09
5.70E‐09
2.71E‐09
5.62E‐09
1.01E‐08
9.36E‐09
1.39E‐10
8.62E‐09
1.90E‐09
1.36E‐09
1.09E‐09
5.15E‐09
2.19E‐08
1.82E‐08
2.62E‐09
5.43E‐10
1.33E‐11
7.49E‐10
7.29E‐09
4.89E‐10
3.75E‐10
3.64E‐09
2.71E‐10
2.71E‐10
2.60E‐09
2.60E‐09
3.64E‐09
2.60E‐09
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
10.67
10.67
16.00
7.000
11.67
5.333
5.333
5.333
5.000
7.000
3.333
3.000
5.400
5.000
0.0744
4.600
2.333
1.667
1.333
2.333
1.200
1.000
1.400
0.6667
0.0163
0.4000
0.4000
0.6000
0.2000
0.2000
0.3333
0.3333
0.1429
0.1429
0.2000
0.1429
0.0246
0.0246
0.0194
0.0162
0.0141
0.0123
0.0123
0.0123
0.0115
0.0085
0.0077
0.0069
0.0065
0.0061
0.0057
0.0056
0.0054
0.0038
0.0031
0.0028
0.0028
0.0023
0.0017
0.0015
0.0012
9.23E‐04
9.23E‐04
7.27E‐04
4.62E‐04
4.62E‐04
4.04E‐04
4.04E‐04
3.30E‐04
3.30E‐04
2.42E‐04
1.73E‐04
0.92%
0.92%
0.73%
0.61%
0.53%
0.46%
0.46%
0.46%
0.43%
0.32%
0.29%
0.26%
0.25%
0.23%
0.21%
0.21%
0.20%
0.14%
0.12%
0.11%
0.10%
0.09%
0.06%
0.06%
0.05%
0.03%
0.03%
0.03%
0.02%
0.02%
0.02%
0.02%
0.01%
0.01%
0.01%
0.01%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
E
D
D
D
D
D
D
D
D
D
E
D
D
D
D
D
D
D
D
D
D
D
7%
7%
1%
7%
‐
7%
‐
1%
7%
7%
‐
‐
1%
1%
1%
1%
7%
7%
7%
‐
80%
80%
1%
‐
7%
‐
80%
7%
‐
80%
7%
7%
80%
80%
80%
80%
90
Table B
Hazardous Event Precursor code
Number
Cause precursor description
Normaliser
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
HEN‐63
GOWOTNOI‐E
GTWOTHAZ‐E
GTWOHEAT‐E
GTWOTSYR‐E
GTWOTBIT‐E
GTWOTELE‐E
GTWOTNOI‐E
Other workforce on‐train: exposed to noise
Track worker on‐train: exposure to hazardous substance
Track worker on‐train: fainting due to train overheating (not leading to evacuation)
Track worker on‐train: caught on needle/syringe
Track worker on‐train: animal/insect bite
Track worker on‐train: electric shock
Track worker on‐train: exposed to noise
Pass. jour
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
Trk wkr hrs
National frequency (events/ normaliser)
1.13E‐10
9.04E‐10
2.13E‐11
1.81E‐10
1.81E‐10
1.81E‐10
7.54E‐11
HEN‐64
HEN‐64
HEN‐64
HEN‐64
HEN‐64
Passenger assault
PSTPHYAS‐E
POTPHYAS‐E
PSTVERAS‐E
POTVERAS‐E
Passenger assault: physical on‐station concourse or platform
Passenger assault: physical on‐train
Passenger assault: verbal on‐station concourse or platform
Passenger assault: verbal on‐train
Pass. jour
Pass. jour
Pass. jour
Pass. jour
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
HEN‐65
Workforce assault
GOWSTPHY‐E
GTCOTPHY‐E
GTCOTVER‐E
GOWSTVER‐E
GTCSTPHY‐E
GTDSTPHY‐E
GTDOTPHY‐E
GTCSTVER‐E
GTWNSPHY‐E
GOWOTPHY‐E
GTDOTVER‐E
GOWNSPHY‐E
GTDSTVER‐E
GTDNSPHY‐E
GOWOTASS‐E
GOWOTVER‐E
GOWNSVER‐E
GTWSTPHY‐E
GTCOTASS‐E
GTDNSVER‐E
GTCNSPHY‐E
Other workforce assault: physical on station concourse
Train crew (other) assault: physical on train
Train crew (other) assault: verbal on train
Other workforce assault: verbal on station concourse
Train crew (other) assault: physical on station concourse
Train crew (driver) assault: physical on station concourse
Train crew (driver) assault: physical on train
Train crew (other) assault: verbal on station concourse
Track worker assault: physical not at station eg signal box, trackside etc
Other workforce assault: physical on train
Train crew (driver) assault: verbal on train
Other workforce assault: physical not at station eg signal box, trackside etc
Train crew (driver) assault: verbal on station concourse
Train crew (driver) assault: physical not at station eg signal box, trackside etc
Other workforce assault: other
Other workforce assault: verbal on train
Other workforce assault: verbal not at station eg signal box, trackside etc
Track worker assault: physical on station concourse
Train crew (other) assault: other
Train crew (driver) assault: verbal not at station eg signal box, trackside etc
Train crew (other) assault: physical not at station eg signal box, trackside etc
Pass. jour
Pass. trn kms
Pass. trn kms
Pass. jour
Pass. trn kms
Pass. trn kms
Pass. trn kms
Pass. trn kms
Trk wkr hrs
Pass. jour
Pass. trn kms
Pass. jour
Pass. trn kms
Pass. trn kms
Pass. jour
Pass. jour
Pass. jour
Trk wkr hrs
Pass. trn kms
Pass. trn kms
Pass. trn kms
Version 6.1 – June 2009
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.1392
0.0496
0.0012
0.0099
0.0099
0.0099
0.0041
1.69E‐04
1.15E‐04
8.90E‐05
2.29E‐05
1.20E‐05
1.20E‐05
5.02E‐06
0.01%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
E
D
D
D
D
D
D
7%
80%
80%
‐
80%
80%
80%
7.45E‐07
6.33E‐07
1.36E‐07
9.38E‐08
1974.1
914.8
776.9
167.2
115.1
8.076
4.214
3.579
0.1672
0.1151
100.00%
52.18%
44.32%
2.07%
1.43%
D
D
D
D
‐
‐
‐
‐
‐
4.17E‐07
7.11E‐07
1.01E‐06
1.82E‐07
2.13E‐07
5.73E‐08
4.79E‐08
1.00E‐07
1.15E‐07
4.71E‐09
2.66E‐08
3.75E‐09
2.28E‐08
3.86E‐09
2.44E‐09
2.17E‐09
1.90E‐09
1.56E‐08
4.10E‐09
3.31E‐09
3.68E‐10
1757.3
512.0
322.1
457.1
223.0
96.61
25.94
21.70
45.33
6.333
5.778
12.06
4.600
10.33
1.750
3.000
2.667
2.333
0.8571
1.857
1.500
0.1667
3.258
1.254
0.7887
0.4902
0.2392
0.2366
0.0635
0.0531
0.0486
0.0155
0.0141
0.0129
0.0113
0.0111
0.0043
0.0032
0.0029
0.0025
0.0021
0.0020
0.0016
4.08E‐04
100.00%
38.48%
24.21%
15.05%
7.34%
7.26%
1.95%
1.63%
1.49%
0.48%
0.43%
0.40%
0.35%
0.34%
0.13%
0.10%
0.09%
0.08%
0.06%
0.06%
0.05%
0.01%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
0.4%
‐
‐
‐
‐
‐
‐
1%
‐
80%
5%
1%
‐
‐
‐
5%
5%
‐
‐
‐
‐
‐
91
Table B
Pass. trn kms
Trk wkr hrs
Pass. trn kms
Trk wkr hrs
National frequency (events/ normaliser)
3.68E‐10
2.60E‐09
9.56E‐11
7.89E‐10
Stations
Trk mts
Stations
Trk mts
MOP fall from platform onto track (no train present)
KPNLFALL‐H
MOP under influence of alcohol/drugs fall from platform onto track (no train present)
KPNGFALL‐H
MOP fall from platform onto track (no train present) ‐ general causes
HEN‐68
HEN‐68
HEN‐68
HEN‐68
HEN‐68
HEN‐68
HEN‐68
HEN‐68
HEN‐68
HEN‐68
HEN‐68
HEN‐68
MOP non‐trespasser fall in stations
KSTRSLTF‐E
MOP slip, trip or fall (stairs)
KCONCON‐‐E
MOP slip, trip or fall due to surface contamination on station concourse
KPLTSLTF‐E
MOP slip, trip or fall (platform)
KCONOTHE‐E
MOP slip, trip or fall on station concourse ‐ other
KESCSLTF‐E
MOP slip, trip or fall (escalator)
KCONALC‐‐E
MOP slip, trip fall on station concourse due to alcohol or drugs
KCONILL‐‐E
MOP slip, trip or fall on station concourse due to ill health
KCONOBJ‐‐E
MOP slip, trip fall due to object on station concourse
KCONSURF‐E
MOP slip, trip or fall due to uneven surface on station concourse
KRAMSLTF‐E
MOP slip, trip or fall (ramps)
KCHASLTF‐E
MOP slip, trip or fall (chair, bench, wheelchair)
HEN‐71
HEN‐71A
HEN‐71A
HEN‐71B
Adult trespass fall/jump from outside onto the mainline railway
Adult trespass fall/jump from outside onto the mainline railway from bridge
KFALLBRG‐H
Adult trespasser fall/jump from outside onto the mainline railway from bridge, footbridge
Adult trespass fall/jump from outside onto the mainline railway from wall, bank, roof or fence
Adult trespasser fall/jump from outside onto the mainline railway from wall, bank, roof, KFALLOTH‐H
fence, etc
Hazardous Event Precursor code
Number
Cause precursor description
HEN‐65
HEN‐65
HEN‐65
HEN‐65
GTDOTASS‐E
GTWSTVER‐E
GTCNSVER‐E
GTWNSVER‐E
Train crew (driver) assault: other
Track worker assault: verbal on station concourse
Train crew (other) assault: verbal not at station eg signal box, trackside etc
Track worker assault: verbal not at station eg signal box, trackside etc
HEN‐66
HEN‐66
HEN‐66
HEN‐66
HEN‐66
MOP assault
KASSPHYS‐E
KLIPHYS‐E
KASSVERS‐E
KLIVERS‐E
MOP assault: physical on‐station concourse or platform
MOP assault: physical lineside
MOP assault: verbal on‐station concourse or platform
MOP assault: verbal lineside
HEN‐67
HEN‐67
HEN‐67
HEN‐71B
Version 6.1 – June 2009
Normaliser
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.1667
0.1429
0.0433
0.0433
1.79E‐04
1.53E‐04
4.65E‐05
4.65E‐05
0.01%
0.00%
0.00%
0.00%
D
D
D
D
1%
‐
‐
80%
0.0453
1.09E‐06
0.0066
1.41E‐07
170.0
115.1
33.80
16.77
4.383
0.8891
0.5582
0.3097
0.0168
0.0044
100.00%
62.79%
34.83%
1.89%
0.49%
D
D
D
D
‐
‐
‐
‐
‐
Stations
Stations
7.87E‐04
3.37E‐04
2.857
2.000
0.8571
0.0494
0.0346
0.0148
100.00%
70.00%
30.00%
D
D
‐
‐
‐
Stations
Stations
Stations
Stations
Stations
Stations
Stations
Stations
Stations
Stations
Stations
5.71E‐03
6.49E‐03
4.92E‐03
3.54E‐03
4.92E‐03
2.75E‐03
1.77E‐03
1.57E‐03
9.84E‐04
5.25E‐04
3.94E‐04
85.33
14.50
16.50
12.50
9.000
12.50
7.000
4.500
4.000
2.500
1.333
1.000
0.7160
0.1577
0.1392
0.1054
0.0759
0.0679
0.0590
0.0380
0.0337
0.0211
0.0112
0.0068
100.00%
22.02%
19.44%
14.73%
10.60%
9.48%
8.25%
5.30%
4.71%
2.95%
1.57%
0.96%
D
D
D
D
D
D
D
D
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
9.943
6.600
6.600
3.200
1.413
0.9747
0.9747
0.4101
100.00%
68.98%
68.98%
29.02%
3.200
0.4101
29.02%
Trk mts
2.12E‐07
Trk mts
1.03E‐07
D
D
‐
‐
‐
‐
‐
92
Table B
Hazardous Event Precursor code
Number
Cause precursor description
HEN‐71C
HEN‐71C
Adult trespasser fall/jump from outside onto the mainline railway from other eg viaduct
KFALLOTT‐H
Adult trespasser fall/jump from outside onto the mainline railway from other eg viaduct
HEN‐72
HEN‐72A
HEN‐72A
HEN‐72B
HEN‐72C
HEN‐72C
Child trespasser fall/jump from outside onto the mainline railway
Child trespass fall/jump from outside onto the mainline railway from bridge
JFALLBRG‐H
Child trespasser fall/jump from outside onto the mainline railway from bridge, footbridge
Child trespass fall/jump from outside onto the mainline railway from wall, bank, roof or fence
Child trespasser fall/jump from outside onto the mainline railway from wall, bank, roof, JFALLOTH‐H
fence, etc
Child trespasser fall/jump from outside onto the mainline railway from other eg viaduct
JFALLOTT‐H
Child trespasser fall/jump from outside onto the mainline railway from other eg viaduct
HEN‐73
HEN‐73
Passenger manual handling
PMANHAND‐E
Passenger injury through manual handling
HEN‐74
HEN‐74
HEN‐74
HEN‐74
HEN‐74
Workforce manual handling
GOTWKMAN‐E
Other workforce injury through manual handling
GTRWKMAN‐E
Track worker injury through manual handling
GTCOTMAN‐E
Train crew (other) injury through manual handling
GTCDRMAN‐E
Train crew (driver) injury through manual handling
HEN‐75
HEN‐75A
MOP involved in RTA on level crossing
MOP involved in RTA on MCB + CCTV level crossing
MOP injury due to road vehicle striking level crossing equipment ‐ on MCB + CCTV ‐ user KRVECCTV1H
error
KCOLCCTV1H
MOP struck by road vehicle ‐ on MCB + CCTV ‐ user error
KCOLCCTV2H
MOP struck by road vehicle ‐ on MCB + CCTV ‐ user violation
KCOLCCTV3H
MOP struck by road vehicle ‐ on MCB + CCTV ‐ proper use
MOP injury due to road vehicle striking level crossing equipment ‐ on MCB + CCTV ‐ user KRVECCTV2H
violation
MOP involved in RTA on MCB level crossing
KRVEMCB‐1H
MOP injury due to road vehicle striking level crossing equipment ‐ on MCB ‐ user error
KCOLMCB‐1H
MOP struck by road vehicle ‐ on MCB ‐ user error
KCOLMCB‐2H
MOP struck by road vehicle ‐ on MCB ‐ user violation
KCOLMCB‐3H
MOP struck by road vehicle ‐ on MCB ‐ proper use
KRVEMCB‐2H
MOP injury due to road vehicle striking level crossing equipment ‐ on MCB ‐ user violation
HEN‐72B
HEN‐75A
HEN‐75A
HEN‐75A
HEN‐75A
HEN‐75A
HEN‐75B
HEN‐75B
HEN‐75B
HEN‐75B
HEN‐75B
HEN‐75B
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
Trk mts
4.59E‐09
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.1429
0.1429
0.0282
0.0282
2.00%
2.00%
1.119
0.1667
0.1667
0.6667
0.1665
0.0246
0.0246
0.0854
100.00%
14.79%
14.79%
51.32%
D
D
‐
‐
‐
‐
‐
‐
Trk mts
5.35E‐09
Trk mts
2.14E‐08
0.6667
0.0854
51.32%
D
‐
Trk mts
9.17E‐09
0.2857
0.2857
0.0564
0.0564
33.89%
33.89%
D
‐
‐
Pass. jour
4.33E‐09
5.323
5.323
0.0637
0.0637
100.00%
100.00%
D
‐
‐
Pass. jour
Trk wkr hrs
Pass. trn kms
Tot trn kms
1.61E‐07
2.76E‐06
1.93E‐07
6.49E‐08
471.0
197.3
151.7
87.33
34.67
1.085
0.4073
0.3799
0.2427
0.0547
100.00%
37.56%
35.03%
22.37%
5.04%
D
D
D
D
31%
7%
80%
‐
1%
1.258
0.4464
0.0385
0.0137
100.00%
35.56%
‐
‐
LXs: MCB + CCTV
6.49E‐04
0.2467
0.0058
15.15%
D
‐
LXs: MCB + CCTV
LXs: MCB + CCTV
LXs: MCB + CCTV
1.32E‐04
1.32E‐04
1.32E‐04
0.0501
0.0501
0.0501
0.0022
0.0022
0.0022
5.79%
5.79%
5.79%
D
D
D
‐
‐
‐
LXs: MCB + CCTV
1.30E‐04
0.0493
0.0012
3.03%
D
‐
LXs: MCB
LXs: MCB
LXs: MCB
LXs: MCB
LXs: MCB
7.78E‐04
1.51E‐04
1.51E‐04
1.51E‐04
1.56E‐04
0.3243
0.1821
0.0353
0.0353
0.0353
0.0364
0.0099
0.0043
0.0016
0.0016
0.0016
8.61E‐04
25.64%
11.19%
4.07%
4.07%
4.07%
2.24%
D
D
D
E
D
‐
‐
‐
‐
‐
‐
93
Table B
Hazardous Event Precursor code
Number
HEN‐75C
HEN‐75C
HEN‐75C
HEN‐75C
HEN‐75C
HEN‐75C
HEN‐75D
HEN‐75D
HEN‐75D
HEN‐75D
HEN‐75D
HEN‐75D
HEN‐75E
HEN‐75E
HEN‐75E
HEN‐75E
HEN‐75E
HEN‐75E
HEN‐75F
HEN‐75F
HEN‐75F
HEN‐75F
HEN‐75G
HEN‐75G
HEN‐75G
HEN‐75G
HEN‐75G
HEN‐75G
Cause precursor description
MOP involved in RTA on MG level crossing
KRVEMCG‐1H
MOP injury due to road vehicle striking level crossing equipment ‐ on MG ‐ user error
KCOLMCG‐1H
MOP struck by road vehicle ‐ on MG ‐ user error
KCOLMCG‐2H
MOP struck by road vehicle ‐ on MG ‐ user violation
KCOLMCG‐3H
MOP struck by road vehicle ‐ on MG ‐ proper use
KRVEMCG‐2H
MOP injury due to road vehicle striking level crossing equipment ‐ on MG ‐ user violation
MOP involved in RTA on ABCL level crossing
KRVEABCL1H
MOP injury due to road vehicle striking level crossing equipment ‐ on ABCL ‐ user error
KCOLABCL1H
MOP struck by road vehicle ‐ on ABCL ‐ user error
KCOLABCL2H
MOP struck by road vehicle ‐ on ABCL ‐ user violation
KCOLABCL3H
MOP struck by road vehicle ‐ on ABCL ‐ proper use
KRVEABCL2H
MOP injury due to road vehicle striking level crossing equipment ‐ on ABCL ‐ user violation
MOP involved in RTA on AHB level crossing
KRVEAHB‐1H
MOP injury due to road vehicle striking level crossing equipment ‐ on AHB ‐ user error
KCOLAHB‐1H
MOP struck by road vehicle ‐ on AHB ‐ user error
KCOLAHB‐2H
MOP struck by road vehicle ‐ on AHB ‐ user violation
KCOLAHB‐3H
MOP struck by road vehicle ‐ on AHB ‐ proper use
KRVEAHB‐2H
MOP injury due to road vehicle striking level crossing equipment ‐ on AHB ‐ user violation
MOP involved in RTA on AOCL level crossing
KCOLAOCL1H
MOP struck by road vehicle ‐ on AOCL ‐ user error
KCOLAOCL2H
MOP struck by road vehicle ‐ on AOCL ‐ user violation
KCOLAOCL3H
MOP struck by road vehicle ‐ on AOCL ‐ proper use
MOP involved in RTA on UWC + MWL level crossing
MOP injury due to road vehicle striking level crossing equipment ‐ on UWC + MWL ‐ user KRVEUWCM1H
error
KCOLUWCM1H
MOP struck by road vehicle ‐ on UWC + MWL ‐ user error
KCOLUWCM2H
MOP struck by road vehicle ‐ on UWC + MWL ‐ user violation
KCOLUWCM3H
MOP struck by road vehicle ‐ on UWC + MWL ‐ proper use
MOP injury due to road vehicle striking level crossing equipment ‐ on UWC + MWL ‐ user KRVEUWCM2H
violation
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
LXs: MG
LXs: MG
LXs: MG
LXs: MG
LXs: MG
2.31E‐04
4.31E‐05
4.31E‐05
4.31E‐05
4.61E‐05
LXs: ABCL
LXs: ABCL
LXs: ABCL
LXs: ABCL
LXs: ABCL
6.46E‐04
1.14E‐04
1.14E‐04
1.14E‐04
1.29E‐04
LXs: AHB
LXs: AHB
LXs: AHB
LXs: AHB
LXs: AHB
3.22E‐04
5.48E‐05
5.48E‐05
5.48E‐05
6.44E‐05
LXs: AOCL
LXs: AOCL
LXs: AOCL
4.78E‐05
4.78E‐05
4.78E‐05
LXs: UWC + MWL
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0775
0.0441
0.0082
0.0082
0.0082
0.0088
0.0536
0.0310
0.0055
0.0055
0.0055
0.0062
0.2489
0.1455
0.0248
0.0248
0.0248
0.0291
0.0172
0.0057
0.0057
0.0057
0.0125
0.0023
0.0010
3.66E‐04
3.66E‐04
3.66E‐04
2.08E‐04
0.0016
7.33E‐04
2.43E‐04
2.43E‐04
2.43E‐04
1.47E‐04
0.0074
0.0034
0.0011
0.0011
0.0011
6.88E‐04
7.65E‐04
2.55E‐04
2.55E‐04
2.55E‐04
3.88E‐04
6.10%
2.71%
0.95%
0.95%
0.95%
0.54%
4.18%
1.91%
0.63%
0.63%
0.63%
0.38%
19.31%
8.94%
2.86%
2.86%
2.86%
1.79%
1.99%
0.66%
0.66%
0.66%
1.01%
7.63E‐05
0.0067
1.59E‐04
0.41%
E
‐
LXs: UWC + MWL
LXs: UWC + MWL
LXs: UWC + MWL
1.68E‐05
1.68E‐05
1.68E‐05
0.0015
0.0015
0.0015
6.57E‐05
6.57E‐05
6.57E‐05
0.17%
0.17%
0.17%
E
E
E
‐
‐
‐
LXs: UWC + MWL
1.53E‐05
0.0013
3.17E‐05
0.08%
E
‐
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
E
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
94
Table B
Hazardous Event Precursor code
Number
HEN‐75H
HEN‐75H
HEN‐75H
HEN‐75H
HEN‐75H
HEN‐75H
HEN‐75I
HEN‐75I
HEN‐75I
HEN‐75I
HEN‐75I
HEN‐75I
HEN‐75J
HEN‐75J
HEN‐75J
HEN‐75J
Cause precursor description
MOP involved in RTA on UWC + T level crossing
KRVEUWCT1H
MOP injury due to road vehicle striking level crossing equipment ‐ on UWC + T ‐ user error
KCOLUWCT1H
MOP struck by road vehicle ‐ on UWC + T ‐ user error
KCOLUWCT2H
MOP struck by road vehicle ‐ on UWC + T ‐ user violation
KCOLUWCT3H
MOP struck by road vehicle ‐ on UWC + T ‐ proper use
MOP injury due to road vehicle striking level crossing equipment ‐ on UWC + T ‐ user KRVEUWCT2H
violation
MOP involved in RTA on UWC level crossing
KRVEUWC‐1H
MOP injury due to road vehicle striking level crossing equipment ‐ on UWC ‐ user error
KCOLUWC‐1H
MOP struck by road vehicle ‐ on UWC ‐ user error
KCOLUWC‐2H
MOP struck by road vehicle ‐ on UWC ‐ user violation
KCOLUWC‐3H
MOP struck by road vehicle ‐ on UWC ‐ proper use
KRVEUWC‐2H
MOP injury due to road vehicle striking level crossing equipment ‐ on UWC ‐ user violation
MOP involved in RTA on OC level crossing
KCOLOC‐‐1H
MOP struck by road vehicle ‐ on OC ‐ user error
KCOLOC‐‐2H
MOP struck by road vehicle ‐ on OC ‐ user violation
KCOLOC‐‐3H
MOP struck by road vehicle ‐ on OC ‐ proper use
Version 6.1 – June 2009
Normaliser
National frequency (events/ normaliser)
LXs: UWC + T
LXs: UWC + T
LXs: UWC + T
LXs: UWC + T
8.83E‐06
2.14E‐06
2.14E‐06
2.14E‐06
LXs: UWC + T
1.77E‐06
LXs: UWC
LXs: UWC
LXs: UWC
LXs: UWC
LXs: UWC
2.93E‐05
5.10E‐06
5.10E‐06
5.10E‐06
5.86E‐06
LXs: OC
LXs: OC
LXs: OC
6.04E‐06
6.04E‐06
6.04E‐06
Deriv. of National HEN POS Risk cont. (FWI Risk cont. % of prec. (D, frequency split (%)
/ year)
total HE risk
E, N)
(events/ year)
0.0276
0.0143
0.0035
0.0035
0.0035
8.71E‐04
3.39E‐04
1.55E‐04
1.55E‐04
1.55E‐04
2.26%
0.88%
0.40%
0.40%
0.40%
E
E
E
E
‐
‐
‐
‐
‐
0.0029
0.0495
0.0287
0.0050
0.0050
0.0050
0.0057
9.24E‐04
3.08E‐04
3.08E‐04
3.08E‐04
6.78E‐05
0.18%
E
‐
0.0015
6.79E‐04
2.22E‐04
2.22E‐04
2.22E‐04
1.36E‐04
4.11E‐05
1.37E‐05
1.37E‐05
1.37E‐05
3.85%
1.77%
0.58%
0.58%
0.58%
0.35%
0.11%
0.04%
0.04%
0.04%
E
E
E
E
E
D
D
D
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
95
Table B
Page left blank intentionally
Version 6.1 – June 2009
96