Business Management System
TASK PLAN
PROJECT:
OFON2 Project
DATE:
18.03.14
TASK TITLE:
12” AMP2 Riser Installation
SHEET:
Page 1 of 16
PROCEDURE:
NG-018-XX-GLO-205003
TASK PLAN: 008
Rev:
WORKSITE:
AMP2
VESSEL TASK PLAN (if used):
D
TASK OBJECTIVES
Task Summary
1) Installation Vessel Moving to Platform
2) Riser Approach Horizontally
3) Riser Connection To Winch Transfer Rigging
4) Riser Upending on Platform
5) Riser Disconnection from Installation Vessel
6) Riser Installation on final location
Operational limitations
Hs = 1.5 m
Diving Operating Limits:
Refer to “Diving Safety Manual – NG-018-XX-GLO-200007”
Other General Information
12” Riser + Spreader Bar + Rigging DHL 29.7 t
Water depth: 40.2 m minimum at lifting location and during transit to platform
Water Depth: 40.8 m at riser location
Platform position: Easting (E)
Northing (N)
North Plat.
457 039.150
10.8°
668 437.682
AMP2 12” Riser Heading = 105.2° grid (Platform heading (10.8° grid) + 94.4°)
Risk Assessment Review Reference : R028730
DISTRIBUTION
OM
Offshore Manager
Copy No
1
DS
Dive Supervisor
SS
Shift Supervisor
1
SR
Surveyor
Copy No
1
1
BR
Bridge (DPO/VM)
1
YS
Lay Supervisor
PE
Project Engineer
1
WS
Welding Supervisor
FE
Field Engineer
1
LS
Life Support Supervisor
DF
Deck Foreman
1
RF
Rigger Foreman
ROV
ROV Supervisor
1
DP
DP Operator
CO
Crane Operator
1
SB
Subcontractors Representative
CR
Client Representative
1
Addressees to be agreed with Subsea 7 Offshore Manager
FO-GL-ENG-039
© Copyright Subsea 7
Others
Total Copies :
11
Page 1 of 16
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TASK TITLE:
12” AMP2 Riser Installation
Item
TASK PLAN:
008
REV:
TASK DESCRIPTION
D
Resp
Sub–Task #1 Installation Vessel moving to platform
Initial Status
• Installation Vessel at stand-by location outside of the 500 m exclusion zone as per
sketch OFON2-FR-N-S-205003-301.
•
Weather forecast is issued and decision to start operation agreed.
Survey Status
•
QINSy system is updated with existing facilities locations.
•
Metrology Support Bracket has been pre-installed onshore at riser bottom flange as
per drawing NG-018-L2-GLO-250190.
Divers Status
•
Diving operation have been prepared as per “Project Diving Safety Manual”.
Static Rigging Status
•
The static rigging & beam clamps has been installed below ESDV level for final
transfer.
Riser Clamps Status
•
Hanger clamps and sub sea clamps have been installed and inspected, as per Task
Plan #001 and are secured in open position.
Riser Status
• In the following the spreader bar clamped on the riser is called riser for clarity.
•
12” Riser is flooded prior to load-out.
•
Riser is secured (horizontally) alongside the vessel during vessel movement to
platform location.
Clump weight Status
• Clump weight has been deployed on seabed previously (after riser clamps
installation). Refer to sketch OFON2-FR-N-S-205003-311.
RA Level 2 has been conducted and approved.
Toolbox Talk (RA Level 3) has been conducted with all personnel involved in
the operation.
Prior to start operation in Task #4, ensure all lifts have been assessed and
“Lift forms” have been signed off.
All work permits are in place for.
Platform works,
Diving works,
PE
1.1
•
1.2
•
Obtain “green light” of COMPANY to enter in the restricted zone.
PE
1.3
•
Secure the riser horizontally alongside the vessel by means of tag lines.
FO-GL-ENG-039
© Copyright Subsea 7
DF/CO
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TASK TITLE:
12” AMP2 Riser Installation
Item
TASK PLAN:
008
REV:
TASK DESCRIPTION
D
Resp
1.4
•
Installation vessel starts moving to platform as per specified route, refer to sketch
OFON2-FR-N-S-205003-305.
BR
1.5
•
Vessel to approach the platform as per sketch OFON2-FR-N-S-205003-306.
BR
INF
A minimum clearance of 10 m shall be observed during the following
operations between the platform and the installation vessel.
Sub–Task #2 Riser Transfer to Platform
2.1
•
Transfer personnel to platform by work boat.
2.2
•
Adjust vessel and riser heading as per sketch OFON2-FR-N-S-205003-306.
DF/CO
•
Lower riser horizontally to sea surface level. Refer to sketch OFON2-FR-N-S-205003306.
DF/CO
•
Personnel ready on board work boat to render assistance.
•
Lower winch block to sea surface and adjust crane position to allow the connection of
the vertical rigging (3m long wire sling) to the winch block.
DF/CO
•
Personnel on board work boat to connect the vertical rigging to the end of the winch
cable (platform) refer to sketch OFON2-FR-N-S-205003-307.
CO/DF
•
Crane to adjust position as requested.
•
Work boat out of lifting area.
DF/SS
•
Pay-out vessel crane hook until Winch Transfer Rigging is under tension (riser is
horizontal at elevation -3.00 m) as per sketch OFON2-FR-N-S-205003-308.
DF/SS
•
Slowly pay-out 20 m the vessel crane hook in order to start the riser upending. Refer
to sketch OFON2-FR-N-S-205003-309.
CO/DF/
SS
•
Stop lowering crane hook.
CO/DF/
SS
•
Pay-in platform winch until spreader bar padeye is at sea surface (Level 0.00 m).
DF/SS
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
DF
DF
CO
Under directions from Deck Supervisor, Crane operator to control load
movement against platform by controlling crane boom angle.
2.12
2.13
2.14
•
Tag lines to be used, as required, to control riser orientation/movement.
CO/SS
•
Resume upending sequence as per sketch OFON2-FR-N-S-205003-310.
CO/SS
•
Under directions from Deck Supervisor, Crane operator to simultaneously play with
the crane orientation and block level so as not to exceed the allowed sidelead and
offlead angle of the crane cable.
FO-GL-ENG-039
© Copyright Subsea 7
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TASK TITLE:
12” AMP2 Riser Installation
Item
TASK PLAN:
008
REV:
TASK DESCRIPTION
2.15
2.16
D
Resp
When crane hook reaches the sea level, set water depth equals to 0.00 m.
CO/SS
Pay-out crane until riser is 5 m from seabed.
CO/SS/
ROV
ROV to monitor clearance with seabed.
INF/
ROV
2.17
Attention to be paid for clearance between bottom of riser and existing
lines of platform. ROV to monitor.
Move vessel in order to align the riser perpendicularly to the platform. Refer to sketch
OFON2-FR-N-S-205003-311.
2.18
BR/CO
Riser orientation to be controlled by observing the direction of top part during crane
rotation.
2.19
Pay-in platform winch until riser spreader bar is approximately at level +3.00m.
2.20
Slowly pay-out vessel crane to bring riser to vertical position and slack the lifting sling
around 1 m.
DF
DF/SS/
ROV
Slings slack to be controlled to prevent spreader bar rotation.
RATs to connect 20 mT Manual Chain Block to the master link on the spreader bar
padeye. Refer to sketch OFON2-FR-N-S-205003-313.
2.21
CO/SS/
ROV
INF
2.22
RATs to be in safe position with regards to the riser flange during rigging
connection.
After connection, slowly take tension on vessel crane. Refer to sketch OFON2-FR-NS-205003-314.
2.23
DF/SS
Sub–Task #3 Riser Transfer from Winch Rigging to Static Rigging
Start paying-out Winch Transfer Rigging in order to transfer riser load to Static Rigging
pre-installed below ESDV deck.
3.1
SS/DF
Riser to be pulled laterally by means of lever hoists connected to the platform. At this
stage, Static Rigging shall be slack. Refer to sketch OFON2-FR-N-S-205003-314.
RATs to pay-in chain block to reduce slack gradually.
INF
3.2
In order to respect the beam clamps capacity (maximum angle of 15 degs),
the Static Rigging shall not take load before the riser is located in front to the AKPO
line.
FO-GL-ENG-039
© Copyright Subsea 7
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TASK TITLE:
12” AMP2 Riser Installation
Item
TASK PLAN:
008
REV:
TASK DESCRIPTION
Resp
Vessel crane to follow the riser movement. Refer to sketch OFON2-FR-N-S-205003314.
3.3
D
DF/SS/
OM
At discretion of Offshore Manager, crane heave compensator to be activated during
the transfer.
3.4
When riser is located in front of AKPO Line, start taking tension on Static Rigging and
slack Winch Transfer Rigging. Refer to sketch OFON2-FR-N-S-205003-315.
SS/DF
Pay-in Static Rigging, by means of chain block, until the riser is located below beam
clamps.
SS/DF
Spreader bar padeye (lifting point) to be kept at sea surface level during transfer (LAT
0.00).
3.5
Platform winch to be operated accordingly to avoid clash between falls and ESDV
deck.
RATs to secure winch block before disconnection.
3.6
SS/DF
RATs to disconnect Winch Transfer Rigging.
Winch block to be kept secured in position for later spreader bar removal.
Lift the riser vertically (approximately 3m) using chain block to adjust riser position for
transfer to final location.
3.7
SS/DF
INF
3.8
RATs to be in safe position with regards to the riser flange during rigging
connection.
3.9
Slowly pay-out the vessel crane to bring the riser to vertical position. Refer to sketch
OFON2-FR-N-S-205003-316.
SS/DF
INF
3.10
As the riser is connected at the bottom part to crane vessel, the chain
block has to be operated by RATs in synchrony with the vessel crane, to
prevent side loads on the beam flange.
ROV to connect clump weight rigging to the sling pre-installed onto spreader bar.
3.11
CO/SS/
ROV
At this stage, the clearance between riser and seabed is approximately 2 m.
When riser is secured in position by Static Rigging (top side) and clump weight
(subsea), lower the crane hook to slack the rigging from the crane hook. Refer to
sketch OFON2-FR-N-S-205003-317.
ROV to monitor/check stability of riser after connection to clump weight rigging.
CO/SS/
ROV
3.14
ROV to disconnect the lifting rigging from ROV Hook (fitted on crane block) at
approximately 20 m water depth. Refer to sketch OFON2-FR-N-S-205003-317.
ROV
3.15
ROV to confirm that crane hook is free.
ROV
3.12
3.13
FO-GL-ENG-039
© Copyright Subsea 7
CO/SS/
ROV
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TASK TITLE:
12” AMP2 Riser Installation
Item
TASK PLAN:
008
REV:
TASK DESCRIPTION
D
Resp
Recover crane hook to surface.
CO/DF/
SS
3.16
Sub–Task #4 Riser Installation at Final Location
4.1
Saturation Diver to be deployed to promote the final approach of the riser into bottom
clamp.
DS
SAT Divers to install slings and tirfors/lever hoists between spreader bar and jacket
bracing to assist riser final approach. Refer to sketch below:
DS/SS/
DF
4.2
Light sticks and buoys can be used to help handling the clump weight rigging.
4.3
SAT Divers to evaluate distance and direction of moving.
DS
At topside, RATs to connect the two (2) soft slings (from spreader bar padeye) to
chain blocks (10 mT) above riser final position. Refer to sketch OFON2-FR-N-S205003-318 & sketch OFON2-FR-N-S-205003-319.
DF
4.4
FO-GL-ENG-039
© Copyright Subsea 7
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TASK TITLE:
12” AMP2 Riser Installation
Item
TASK PLAN:
008
REV:
TASK DESCRIPTION
D
Resp
Slowly move the riser horizontally by paying-out the 20mT chain block and pulling
lever hoists connected to the jacket bracing.
SS/DF
Chain block (10mT) also to be used to pull riser laterally, avoiding contact with Riser
Guard bumper. Refer to sketch below:
4.5
TOP VIEW
Lever hoist connected to platform bracing to assist bring riser into hanger clamp.
FO-GL-ENG-039
© Copyright Subsea 7
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TASK TITLE:
12” AMP2 Riser Installation
Item
TASK PLAN:
008
REV:
TASK DESCRIPTION
D
Resp
Rigging to be kept slack at beginning of riser movement
FRONT VIEW
Rigging to be kept slack at beginning of riser movement
Lever hoists to pull riser horizontally
LATERAL VIEW
INF
4.6
In order to respect the beam clamps capacity (maximum angle of 15 degs),
the two 10mT Chain blocks shall not take load before the riser is located close to
Riser Guard bumper location.
FO-GL-ENG-039
© Copyright Subsea 7
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TASK TITLE:
12” AMP2 Riser Installation
Item
TASK PLAN:
008
REV:
TASK DESCRIPTION
Resp
Personnel on platform to move riser as requested in order to engage it inside the
hanger clamp and guiding system (cowhorn).
4.7
D
SS/DF/
DS
SAT Diver to monitor/confirm riser engagement onto the lowest clump and guiding
system. If required, diver to help engagement by means of tirfors or lever hoists.
INF
4.8
SAT Diver to be in safe position and to ensure a safe umbilical
management during all movement.
4.9
RATs to safely land the riser on the hanger clamp by operating 10mT chain blocks.
DF
4.10
RATs to secure riser in position (onto hanger clamp) with cargo straps, but keep lifting
rigging ready to take the spreader bar weight.
DF
SAT Diver to confirm riser location.
DS
4.11
SAT Diver to ensure that riser lifting slings are not entrapped inside the subsea clamp.
SAT Diver to secure the riser inside the lowest clamp using a cargo strap.
DS
SAT Diver to secure the spreader bar on jacket bracing with cargo straps or
slings/tirfors, as per sketch below:
DS
4.14
When riser is engaged and secured onto clamps, SAT Diver to disconnect vessel
clump weight rigging from the spreader bar (by means of ROV Hook).
SS/DS
4.15
SAT Diver to keep slings and tirfors connected and tight, between spreader bar &
jacket bracings, to secure/help spreader bar removal.
DS
4.12
4.13
FO-GL-ENG-039
© Copyright Subsea 7
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TASK TITLE:
12” AMP2 Riser Installation
Item
TASK PLAN:
008
REV:
TASK DESCRIPTION
D
Resp
Once riser is secured in position (bottom and top side), SAT Diver to open the two
bottom spreader bar clamps as per sketch below (bottom clamp first):
DS
4.16
SAT diver to confirm there is no obstruction or rigging entanglement which can delay
the spreader bar removal (e.g. riser lifting rigging, cargo straps between trunnions and
jacket bracings, etc.).
DS
4.17
SAT Diver to check and secure the spreader bar lifting slings (4-leg
bridle) above spreader bar, to prevent slings entanglement (e.g. below
trunnions) during spreader bar upending/lifting.
4.18
Recover SAT Diver on the bell.
4.19
Rotate and reposition vessel for Diving activities (vessel starboard side facing the
platform). Refer to sketch OFON2-FR-N-S-205003-350.
FO-GL-ENG-039
© Copyright Subsea 7
SR/DS
BR
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TASK TITLE:
12” AMP2 Riser Installation
Item
TASK PLAN:
008
REV:
TASK DESCRIPTION
4.20
4.21
D
Resp
Deploy Air Diver.
DS
Air Diver to confirm that riser is engaged in the subsea clamps at levels: -10.00 m & 25.00 m.
DS
Air Diver to secure riser inside the clamps by means of cargo straps on clamp stubs.
INF
4.22
Before unbolt and open any spreader bar clamp, RATs at topside to
confirm that lifting rigging is ready to take spreader bar weight, by pay-in chain
blocks.
FO-GL-ENG-039
© Copyright Subsea 7
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TASK TITLE:
12” AMP2 Riser Installation
Item
TASK PLAN:
008
REV:
TASK DESCRIPTION
D
Resp
Air Diver to open subsea spreader bar clamp at the location below:
DS
4.23
Air Diver to confirm there is no obstruction or rigging entanglement which can delay
the spreader bar removal (e.g. riser lifting slings, cargo straps onto platform, etc).
DS
4.24
Air Diver to check and secure the spreader bar lifting slings (4-leg bridle)
above spreader bar, to prevent slings entanglement (e.g. below trunnions)
during spreader bar upending/lifting.
4.25
Recover Air Diver.
DS
4.26
Rotate and reposition vessel for crane operations (vessel portside facing platform).
BR
4.27
Deploy SAT Diver.
DS
FO-GL-ENG-039
© Copyright Subsea 7
Page 13 of 16
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TASK TITLE:
12” AMP2 Riser Installation
TASK PLAN:
008
D
REV:
Specific Equipment or Preparation required for Task
Sub Task Number
Description
Quantity
1,2, 5
Rockwater II Main crane.
1
2, 3, 5
Winch Transfer Rigging
1 Set
3, 4, 5
Static Rigging
1 Set
1, 2, 5
Lifting Rigging
1 Set
2, 3, 5
Vessel winch (starboard)
1
4
Clump weight rigging
1 set
4, 6
Torque Tool & Nut Splitter
1
4, 6
SAT/Air Diving spread
2 set
2, 3, 4, 5
ROV
1
4
Subsea Gyro
1
2, 3, 4, 5
DMA (Clump weight)
1
Attached References
Document Number
Description
OFON2-FR-N-S205003-301
12” RISER INSTALLATION AT AMP2 PLATFORM – LIFT OFF FROM CARGO BARGE
OFON2-FR-N-S205003-305
12" RISER INSTALLATION AT AMP2 PLATFORM - 12" RISER ALONGSIDE VESSEL
OFON2-FR-N-S205003-306
12" RISER INSTALLATION AT AMP2 PLATFORM - PLATFORM APPROACH
OFON2-FR-N-S205003-307
12" RISER INSTALLATION AT AMP2 PLATFORM RISER TRANSFER TO WINCH
TRANSFER RIGGING - 1/5
OFON2-FR-N-S205003-308
12" RISER INSTALLATION AT AMP2 PLATFORM RISER TRANSFER TO WINCH
TRANSFER RIGGING - 2/5
OFON2-FR-N-S205003-309
12" RISER INSTALLATION AT AMP2 PLATFORM RISER TRANSFER TO WINCH
TRANSFER RIGGING - 3/5
OFON2-FR-N-S205003-310
12" RISER INSTALLATION AT AMP2 PLATFORM RISER TRANSFER TO WINCH
TRANSFER RIGGING - 4/5
OFON2-FR-N-S-
12" RISER INSTALLATION AT AMP2 PLATFORM RISER TRANSFER TO WINCH
FO-GL-ENG-039
© Copyright Subsea 7
Page 15 of 16
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TASK TITLE:
12” AMP2 Riser Installation
TASK PLAN:
008
REV:
D
205003-311
TRANSFER RIGGING - 5/5
OFON2-FR-N-S205003-312
12" RISER INSTALLATION AT AMP2 PLATFORM - CONNECTION TO THE CLUMP
WEIGHT
OFON2-FR-N-S205003-313
12" RISER INSTALLATION AT AMP2 PLATFORM - VESSEL CRANE
DISCONNECTION
OFON2-FR-N-S205003-314
12" RISER INSTALLATION AT AMP2 PLATFORM - TRANSFER TO ESDV PLATFORM
1/3
OFON2-FR-N-S205003-315
12" RISER INSTALLATION AT AMP2 PLATFORM - TRANSFER TO ESDV PLATFORM
2/3 & 3/3
OFON2-FR-N-S205003-316
12" RISER INSTALLATION AT AMP2 PLATFORM - FINAL UPPENDING STEP 1/3
OFON2-FR-N-S205003-317
12" RISER INSTALLATION AT AMP2 PLATFORM - FINAL UPPENDING STEP 2/3 &
3/3
Ref.
Symbol Definition
Additional information to support a task. This could be used to indicate an engineered lift or working
at height and the appropriate process that should be referred to or documents created eg. Lift plans.
A particular safety hazard that may have been identified during a risk assessment, or a safety critical
step in the procedure. This could also indicate an action or sign-off that must be completed before
proceeding.
Film, record or photograph a particular activity or location. Ensure the file is logged correctly with the
project references and definitive file name.
FO-GL-ENG-039
© Copyright Subsea 7
Page 16 of 16
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5
SIDE VIEW
Scale: 1/20
TO BE SECURED WITH
POLYPROP ROPE
5
TO BE SECURED WITH
POLYPROP ROPE
6
Scale: 1/20
1
4
3
FRONT VIEW
Detail 1
2
6
TO BE SECURED WITH
POLYPROP ROPE
1
5
1
2
2
2
2
2
3
4
5
6
2
1
ITEM QTY
MATERIAL TAKE OFF
6
Status
OFON PHASE 2 PROJECT
Revision memo
Format: A1
Contractor
Document N°
Discipline :
REV. :
Syst. / S-Syst. :
COMPANY
Document N°
Doc Type :
Date
Issued by
CSI
6
4m
8m
TAG NUMBER
Dwg.
Checked by
RSI
Eng.
Approved by
Checked by
NG-17-4500332481-1
NG-17-4500332481-2
NG-17-4500340658-26
NG-17-4500340658-32
NG-17-4500340658-24
NG-17-4500332481-1
Folio :
Scale :
Electronic Filename
This document has been generated by an Electronic Document Management System. When printed it is considered as a for information
only copy. The controlled copy is the screen version and it is the holder's responsibility that he/she holds the latest valid version.
Document Title :
Revision
Scale: 1/5
DETAIL 1
4
10mT
SOFT ROUND SLING (IN DOUBLE)
3
5mT
SOFT ROUND SLING (CHOKED CONFIG.)
2
25mT
BOLT TYPE ANCHOR SHACKLE (TYPE G4163)
3m
4m
WLL LENGTH
10mT
50mT
92.7mT
MBL
MASTERLINK (300 x 200 x 50)
FIBRE WIRE ROPE SLING Dia 36mm, HARDEYES BOTH END (TRANSFER)
SOFT ROUND SLING (CHOKED CONFIG.)
DESIGNATION
66
155
178
Scale: 1/10
DETAIL 1
9
8
10
7
8
SECURED WITH
POLYPROP ROPE
15
PADEYE
)
ks
Lin m
(27 .782
1
15
DETAIL 2
4
Scale: 1/20
DETAIL 2 - Top View
(2
9
1. Lin
91 ks
4m )
155
m
3
52
6
2
DETAIL 1
11
5
12
14
Scale: 1/75
FRONT View
SOFT SLING (WLL=10mt / EWL=10m)
CHOKED ON BOTH TRUNNIONS
5m
.76
21
.9
13
781
146
16
INSTALLATION VESSEL
MAIN HOOK "SINGLE FALL"
(29 Links)
1.914m
12.265m
1
2
2
13
14
15
m
67
.4
22
22378
1
(1
7
1. Lin
12 k
2m s)
Status
OFON PHASE 2 PROJECT
Revision memo
Format: A1
Contractor
Document N°
Discipline :
REV. :
Syst. / S-Syst. :
COMPANY
Document N°
Doc Type :
Date
Issued by
CSI
10m
NG17-4500340658-26
Dwg.
Checked by
RSI
Eng.
Approved by
Checked by
NG17-4500340638-31
ROCKWATER II
ROCKWATER II
ROCKWATER II
NG17-4500340658-30
NG17-4500340658-29
Folio :
Scale :
Electronic Filename
This document has been generated by an Electronic Document Management System. When printed it is considered as a for information
only copy. The controlled copy is the screen version and it is the holder's responsibility that he/she holds the latest valid version.
Document Title :
Revision
10mT
56mT
MASTERLINK (Ø55x350x200)
SOFT ROUND SLING
55mT
BOLT TYPE ANCHOR SHACKLE
6m
NG17-4500338843-29
ROV HOOK
45 mT
40mT
1
1
11
12
SOFT ROUND SLING
NG17-4500340658-27
15mT
17mT
CHAIN Ø22mm (MÁX. LENGTH=2m)
BOLT TYPE ANCHOR SHACKLE (TYPE G4163)
4
4
9
10
15.5mT
CONNECTING LINK Ø22mm - MJ22J
8
NG17-4500338843-30
NG17-4500340658-23
NG17-4500340658-23
NG17-4500340658-23
8
4
7
21.765m
NG17-4500340658-23
25mT
1
6
42mT
STEEL WIRE ROPE SLING WITH HARDEYES, AT BOTH ENDS (Ø26mm)
16.952m
NG17-4500340658-23
TAG NUMBER
BOLT TYPE ANCHOR SHACKLE (TYPE G-4163)
1
5
42mT
STEEL WIRE ROPE SLING WITH HARDEYES, AT BOTH ENDS (Ø26mm)
12.265m
22.467m
LENGTH
40mT
1
4
42mT
STEEL WIRE ROPE SLING WITH HARDEYES, AT BOTH ENDS (Ø26mm)
WLL
WIDE BODY SHACKLE (TYPE P6033)
1
3
42mT
STEEL WIRE ROPE SLING WITH HARDEYES, AT BOTH ENDS (Ø26mm)
MBL
40mT
1
MATERIAL TAKE OFF
MULTI LEGS ASSEMBLY, 4 LEGS, COMPOSED OF ITEM 1,2,3,4 AND 5
DESIGNATION
MASTER LINK ASSEMBLY (MAIN: Ø50x300x200, SUB: Ø38x150x90)
1
1
2
ITEM QTY
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
3m
TER
WA
TAG LINES
2
A4
N.T.S
2
05-may-14
- TAG LINES BETWEEN RISER AND VESSEL
TO BE PRE-INSTALLED BEFORE LIFTING.
OFON2-FR-N-S-205003-301
R12,1 m
HORIZONTAL LIFTING FROM CB
R7,025 m
MIN. RADIUS
INSTALLATION VESSEL OUTSIDE OF
THE EXCLUSION ZONE TO PLATFORM
LIFT FROM CB
R:\Drafting\02 - Project\08 - OFON 2\Working on Process\05-05-2014 - SKETCHES\Sketches\OFON2-FR-N-S-205003-301_NE.dwg - SS7F0167
UG
2T
DP
C.O.G
RO
CK
HE
CB BERTHED ALONG SIDE
INSTALLATION VESSEL OUTOF
THE EXCLUSION ZONE (500 m).
2°5
G2
AD
IN
INSTALLATION VESSEL
TO MOVE TO PLATFORM
AFTER RISER OVERBOARDING
12" RISER INSTALLATION AT AMP2 PLATFORM
LIFTOFF FROM CB
m
10
EXC R500
LUS
m
I
O
NZ
ON
E
2m
LIFT 1 FALL
SEA LEVEL
ROCKWATER 2
2m
2.5m
3m
BACK VIEW
SCALE: 1/250
A4
OFON2-FR-N-S-205003-302 AS NOTED
R:\Drafting\02 - Project\08 - OFON 2\Working on Process\05-05-2014 - SKETCHES\Sketches\OFON2-FR-N-S-205003-302_NE.dwg - SS7F0167
24.7m
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7
17.9m
12" RISER & SPREADER BAR AT AMP2
HORIZONTAL LIFT FROM CB
12.1m
TRUE LENGTH RADIUS
100 Te CRANE
2
05-may-14
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
RISER LIFT-OFF FROM CB
SCALE: 1/200
SIDE VIEW
LIFT 1 FALL
100 Te CRANE
TAG LINE
A4
AS NOTED
VESSEL BOW
PRESENT TAG LINES ON
TRUNNION PASSING THROUGH
D-RINGS TO CONTROL RISER
OFON2-FR-N-S-205003-303
12" RISER & SPREADER BAR AT AMP2
HORIZONTAL LIFTING FROM CB
R:\Drafting\02 - Project\08 - OFON 2\Working on Process\05-05-2014 - SKETCHES\Sketches\OFON2-FR-N-S-205003-303_NE.dwg - SS7F0167
VESSEL STERN
SLING TO BE PRE-INSTALLED
ON SPREADER BAR TRUNNION
24.3m
2
05-may-14
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
TAG LINE TO
THE VESSEL
UNBERTH CB
SCALE: 1/200
SIDE VIEW
RISER LIFT-OFF FROM CB
LIFT 1 FALL
100 Te CRANE
A4
AS NOTED
VESSEL BOW
OFON2-FR-N-S-205003-304
12" RISER & SPREADER BAR AT AMP2
HORIZONTAL LIFTING FROM CB AND MOVE CB
R:\Drafting\02 - Project\08 - OFON 2\Working on Process\05-05-2014 - SKETCHES\Sketches\OFON2-FR-N-S-205003-304_NE.dwg - SS7F0167
VESSEL STERN
SLING FOR CLUMP
WEIGHT CONNECTION
EWL = 10mT
28,3m
2
TAG LINE TO
THE VESSEL
05-may-14
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
-RISER SECURED ALONGSIDE VESSEL
TAG LINES
ER
WA
T
2
AMP2
R:\Drafting\02 - Project\08 - OFON 2\Working on Process\05-05-2014 - SKETCHES\Sketches\OFON2-FR-N-S-205003-305_NE.dwg - SS7F0167
C.O.G
CK
RO
OFON2-FR-N-S-205003-305
00m
R=5 N ZONE
O
I
LUS
EXC
12" RISER INSTALLATION AT AMP2 PLATFORM
12" RISER ALONGSIDE VESSEL
A4
N.T.S
1
05-may-14
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
SEA LEVEL
R:\Drafting\02 - Project\08 - OFON 2\Working on Process\05-05-2014 - SKETCHES\Sketches\OFON2-FR-N-S-205003-306_NE.dwg - SS7F0167
SEA LEVEL
OFON2-FR-N-S-205003-306
12" RISER INSTALLATION AT AMP2 PLATFORM PLATFORM APPROACH
A4
N.T.S
2
05-may-14
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
TAG LINE
0
670
WA
RO
CK
TER
2
N:\Drafting\02 - Project\08 - OFON 2\Working on Process\05-05-2014 - SKETCHES\Sketches\OFON2-FR-N-S-205003-307_NE.dwg - SS7F0174
- WORK BOAT TO CONNECT
SLING FROM SPREADER
BAR PADEYE TO WINCH
TRANSFER RIGGING
12" RISER
45°
8
54
R2
7
45
399
AMP2 PLATFORM
OFON2-FR-N-S-205003-307
A4
N.T.S
27548
TRUE LENGHT RADIUS
12" RISER INSTALLATION AT AMP2 PLATFORM
RISER TRANSFER TO WINCH TRANSFER RIGGING - 1/5
2
05-may-14
6700
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
670
0
- VESSEL CRANE PAYOUT
UNTIL RISER IS LOCATED
AT 3m WATER DEPTH
N:\Drafting\02 - Project\08 - OFON 2\Working on Process\05-05-2014 - SKETCHES\Sketches\OFON2-FR-N-S-205003-308_NE.dwg - SS7F0167
12" RISER
48
75
R2
45
399
AMP2 PLATFORM
OFON2-FR-N-S-205003-308
A4
N.T.S
27548
TRUE LENGHT RADIUS
12" RISER INSTALLATION AT AMP2 PLATFORM
RISER TRANSFER TO WINCH TRANSFER RIGGING - 2/5
1
05-may-14
SEA LEVEL
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
N:\Drafting\02 - Project\08 - OFON 2\Sent\08-05-2014 - AMP2 FINAIS\OFON2-FR-N-S-205003-309.dwg
- PAY- OUT
CRANE VESSEL 20m
- SS7F0174
TRUE LENGTH RADIUS
15m
A4
N.T.S
1
TRUE LENGTH RADIUS
15m
OFON2-FR-N-S-205003-309
- PAY-IN
- WINCH TRANSFER RIGGING 3m
12" RISER INSTALLATION AT AMP2 PLATFORM
RISER TRANSFER TO WINCH TRANSFER RIGGING - 3/5
05-may-14
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
50
R1
00
N:\Drafting\02 - Project\08 - OFON 2\Sent\08-05-2014 - AMP2 FINAIS\OFON2-FR-N-S-205003-310.dwg
18350
45°
- RESUME RISER UPENDING
UNTIL RISER 5m FROM SEABED.
(PAY-OUT SLOWLY VESSEL CRANE)
- SS7F0174
A4
N.T.S
1
05-may-14
- ROV TO MONITOR CLEARANCE
BETWEEN RISER AND SEABED.
TRUE LENGTH RADIUS
15m
OFON2-FR-N-S-205003-310
SEABED
SEA LEVEL
18350
12" RISER INSTALLATION AT AMP2 PLATFORM
RISER TRANSFER TO WINCH TRANSFER RIGGING - 4/5
5000
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
0
CLUMP
WEIGHT
POSITION
N:\Drafting\02 - Project\08 - OFON 2\Working on Process\19-05-2014 - 12 Inches Installation\OFON2-FR-N-S-205003-312.dwg
500
R1
- SS7F0142
MUDLINE
OFON2-FR-N-S-205003-312
55229
TRUE LENGTH RADIUS
15m
A4
N.T.S
1
CLUMP
WEIGHT
LANDED
20-May-14
- VESSEL CRANE TO KEEP TAKING RISER LOAD (BOTTOM SLING UNDER TENSION).
12" RISER INSTALLATION AT AMP2 PLATFORM
CONNECTION TO STATIC RIGGING 1/3
5000
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
3.00
30°
SEA LEVEL
R:\Drafting\02 - Project\08 - OFON 2\Working on Process\19-05-2014 - 12 Inches Installation\OFON2-FR-N-S-205003-313.dwg - SS7F0143
L.A.T. 0.00
-PAY-IN PLATFORM WINCH,
UNTIL SPREADER BAR PADEYE
IS AT LEVEL + 3.00m
3.00
A4
N.T.S
FRONT VIEW
RATS TEAM
OFON2-FR-N-S-205003-313
SEA LEVEL
3000 (MIN.)
-SLACK TO BE CONTROLLED IN ORDER TO
PREVENT SPREADER BAR TO TURN
-SLACK CRANE VESSEL RIGGING AROUND
1m TO ALLOW SAFER CONNECTION OF
STATIC RIGGING ON SPREADER BAR BY RATS
-SLOWLY PAY-OUT VESSEL CRANE TO
BRING RISER TO VERTICAL POSITION
12" RISER INSTALLATION AT AMP2 PLATFORM CONNECTION TO STATIC RIGGING STEP 2/3
8000
1
21-may-14
SEA LEVEL
3.00
OFON2-FR-N-S-205003-313
-PAY-OUT PLATFORM WINCH.
SPREADER BAR PADEYE TO BE AT SEA LEVEL (L.A.T. 0.00m)
-PAY-IN VESSEL CRANE SLOWLY.
TAKE THE LOAD ON BOTTOM LIFTING SLING
SEA LEVEL
R:\Drafting\02 - Project\08 - OFON 2\Working on Process\19-05-2014 - 12 Inches Installation\OFON2-FR-N-S-205003-313.dwg - SS7F0143
L.A.T. 0.00
12" RISER INSTALLATION AT AMP2 PLATFORM CONNECTION TO STATIC RIGGING STEP 3/3
5000
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
A4
N.T.S
1
21-may-14
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
CLUMP
WEIGHT
N:\Drafting\02 - Project\08 - OFON 2\Working on Process\19-05-2014 - 12 Inches Installation\OFON2-FR-N-S-205003-314.dwg
m
500
0
R1
- SS7F0142
OFON2-FR-N-S-205003-314
MUDLINE
- STATIC RIGGING
BELLOW ESDV
PLATFORM TO BE SLACK.
- RISER TO BE MOVED
HORIZONTALLY BY
MEANS OF LEVER
HOISTS CHOCKED ON
PLATFORM BRACING.
- VESSEL TO MOVE
ACCORDINGLY TO
FOLLOW RISER
MOVEMENT.
12" RISER INSTALLATION AT AMP2 PLATFORM TRANSFER TO ESDV PLATFORM 1/3
A4
N.T.S
1
BOTTOM LIFTING
SLING CONNECTED
TO VESSEL CRANE
LEVER HOIST
20-May-14
SEA LEVEL
ESDV PLATFORM
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
BOTTOM LIFTING SLING
CONNECTED TO THE VESSEL CRANE
SEA LEVEL
ESDV PLATFORM
N:\Drafting\02 - Project\08 - OFON 2\Working on Process\19-05-2014 - 12 Inches Installation\OFON2-FR-N-S-205003-315.dwg
- WHEN RISER IS LOCATED IN FRONT OF AKPO LINE,
TAKE TENSION ON STATIC RIGGING.
- SS7F0142
OFON2-FR-N-S-205003-315
- WINCH BLOCK TO BE SECURED
BEFORE DISCONNECTION
12" RISER INSTALLATION AT AMP2 PLATFORM TRANSFER TO ESDV PLATFORM 2/3 AND 3/3
A4
N.T.S
1
20-May-14
BOTTOM LIFTING SLING
CONNECTED TO THE VESSEL CRANE
SEA LEVEL
ESDV PLATFORM
PAY-IN
CHAIN BLOCK
3m
55184
N:\Drafting\02 - Project\08 - OFON 2\Working on Process\19-05-2014 - 12 Inches Installation\OFON2-FR-N-S-205003-316.dwg
7065
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
- SS7F0142
OFON2-FR-N-S-205003-316
A4
N.T.S
1
- PAY-OUT CRANE VESSEL UNTIL CRANE HOOK IS CLOSE TO THE PLATFORM.
12" RISER INSTALLATION AT AMP2 PLATFORM FINAL UPPENDING STEP 1/3
1824
20-May-14
6731
E:\OFON2-FR-N-S-205003-317 -Daniel Hall2010.dwg - TJA52
- CONNECT CLUMP WEIGHT RIGGING BY ROV.
PAY-IN
CHAIN BLOCK
1m
3m
A4
N.T.S
1
20-May-14
- PAY-OUT CLUMP WEIGHT RIGGING BY OPERATING
TIRFOR WITH SAT DIVER.
- PAY-OUT WINCH UNTIL
RISER IS ON VERTICAL
OFON2-FR-N-S-205003-317
- SLACK CRANE HOOK AND DISCONNECT LIFTING SLINGS BY ROV.
2951
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
12" RISER INSTALLATION AT AMP2 PLATFORM FINAL UPPENDING STEP 2/3 AND 3/3
1965
THIS SKETCH IS AND SHALL CONTINUE TO BE THE EXCLUSIVE PROPERTY OF SUBSEA 7 AND SHALL NOT BE EITHER REPRODUCED OR
COPIED IN WHOLE OR IN PART OR COMMUNICATED TO ANY THIRD PARTY WHITHOUT THE PRIOR WRITTEN CONSENT OF SUBSEA 7.
SAT DIVER
CLUMP WEIGHT
E:\OFON2-FR-N-S-205003-320 - Daniel2013.dwg - TJA52
-32.00
-25.00
-10.00
SEA LEVEL
-32.00
-25.00
-10.00
3.00
SAT DIVER
RISER CLAMPS
RISER CLAMPS
SEA LEVEL
-32.00
-25.00
-10.00
3.00
SAT DIVER
AIR DIVER
AIR DIVER
SEA LEVEL
STATIC RIGGING TO
TAKE SPREADER
BAR LOAD
-AIR DIVER TO SECURE RISER AT
ELEVATIONS -25.00 & -10.00 AND
TO DISCONNECT REMAINING
SPREADER BAR CLAMPS.
-SAT DIVER TO OPEN BOTTOM
SPREADER BAR CLAMPS.
OFON2-FR-N-S-205003-320
CLUMP WEIGHT
-RATS TO SAFELY LAND RISER ONTO HANGER CLAMP
AND SECURE.
-RATS TO OPERATE CHAIN BLOCKS SIMULTANEOUSLY
ON TOP SIDE.
3.00
-SAT DIVER TO SECURE RISER ON BOTTOM PART.
-SAT DIVER TO OPERATE TIRFOR TO BRING RISER
INTO FINAL LOCATION.
A4
N.T.S
-32.00
-25.00
-10.00
3.00
1
21-may-14
SAT DIVER
SEA LEVEL
-SPREADER BAR TO BE REMOVED
FOLLOWING THE SAME STEPS OF
INSTALLATION (RATS TO OPERATE
CHAIN BLOCKS ON TOP SIDE)
SAT DIVER TO OPERATE TIRFOR
SUBSEA.
12" RISER INSTALLATION AT AMP2 PLATFORM INSTALLATION ON FINAL LOCATION AND SPREADER BAR REMOVAL
HSE Risk Assessment
02-Jun-14
Level 2: Risk Assessment
DETAILS
Originator
Daniel Hall
Status
Approved
Approver
MSV_Rockwater2 OCM
Reference Procedures/Task
Plans
Reference No
R028730
NG-018-XX-GLO-205003 - AMP2 and OFD2 Risers
Installation Procedure
Meeting Date
31-May-14
Local Reference
Level 1 RA Reference
R026187
Project
Total - OFON Phase 2
Operation
Installation
Location
Rockwater 2
Description of Activity
AMP2 Platform - Riser Installation
Area on Site
Non Subsea 7 Site
MEETING DETAILS
Meeting Location
Rockwater 2
SUBSEA 7 ATTENDEES
EXTERNAL ATTENDEES
Name
Role
Name
Role
Company
Tanguy Jaumouille
Installation Engineer
Jean Claude Lefebvre
CPY Rep
TEPNG
Morne V.Heerden
Diver
Gordon Foot
CPY Rep
TEPNG
Matt Walton
Dive Supervisor
Sundara
PTW Rep
TEPNG
Thibault Garcia
Field Engineer
Monday
HSE Rep
TEPNG
John Kani
Deck Supervisor
Bernard Prud'homme
CPY Rep
TEPNG
Tom
Dive Supervisor
Page 1 of 14
HSE Risk Assessment
02-Jun-14
TASK
Task
Hazard
Safety, Health, Environmental Consequence
Severity/
Probability
1. Preparatory Works On Platform
(Lifting equipment
Installation/checks, transfer of
personnel, installation of
equipment,..)
1. Lifting operation / swinging
load
2. Personnel transfer (Work Boat)
3. Working at height
4. Live platform
5. Work/Personnel transfer at
night
6. Exceeding POB on platform
7. Simultaneous activities
8.Dive with work overhead
9.Manual Handling
Personnel injury
Fire /explosion
Assets damage
Environment damage
II - High
C - Possible
2
Corrective Measure
Severity/
Probability
Resid
RPC
1. Lifting operation / swinging load
1.1 Lift plan and JSA (with Company Platform Crane operator).
1.2 Pre-work planning with CPY/SIMOPS.
1.3 Certified and color coded equipment.
1.4 Single point of command, dedicated communications channel.
II - High
E - Very Unlikely
2. Personnel transfer (Work Boat)
2.1 Rockwater 2 work boat.
2.2 Proper PPE adopted (e.g. Life vest).
2.3 Weather evaluation.
2.4 Work Boat SOP to be followed.
3. Working at height
3.1. Certified RATs approved by Globestar inspector.
3.2. Workers familiar with working procedure
3.3. Checked and back-up communications
3.4. Work boat or surfer stand by
3.5. Working at height rescue kit/ rescue team available on Platform.
3.6. Correct PPE for overside and work at height.
4. Live platform
4.1 Platform induction / Emergency & evacuation awareness.
4.2 T-Card system/POB controller system.
4.3 CPY Permit to Work.
4.4 AMP2 Shutdown and depressurized
5. Work/Personnel transfer at night
Page 2 of 14
RPC
3
HSE Risk Assessment
02-Jun-14
5.1 Appropriate lighting.
5.2 Dedicated RA for work at night
5.3 Lightsticks on life jackets
5.4 UTAI boat to act as rescue boat
6. Exceeding POB on platform
6.1 Project CPY PMT to notify OFON 2 operations about the number of people authorized to go on platform.
7. Simultaneous activities
7.1 CPY Permit to work
7.2 Pre-work planning with CPY/SIMOPS
7.3 All shutdown personnel is out of the platform during the job
8. Slip, trip & fall
8. Good housekeeping, Wear of adequate PPE, Trained personnel, Visible identification of tripping hazards, Use of
handrails, Barrier dangerous area.
9. Manual Handling
9.1 Reduce manual handling, tirfors and chain blocks to be used
9.2 Competent person
9.3 Tool Box Talk
Description of Action Assigned
Action Responsible
Due By Date
TASK
Task
Hazard
Safety, Health, Environmental Consequence
Severity/
Probability
2. Riser Clamps Installation
1. Personnel working at height or
over side
2. Rigging failure / Dropped
objects
3. Swinging load
4. Wires and rigging under
tension
5. Uncontrolled approach along
jacket
6. Manual handling
7. Communications failures
8. Weather and Sea state
9. Live platform
10. Diving Activities
11. Security threat
Personnel injury
Equipment damage
Platform damage
Riser and pipeline damages
Environmental damage
Fire/explosion
Vessel Damage
I - Very High
C - Possible
Page 3 of 14
RPC
1
HSE Risk Assessment
02-Jun-14
12. Clamps positioning and
connection to the platform
13. Vessel Connected to platform
Corrective Measure
Severity/
Probability
1. Personnel working at height or overside
1.1. Certified RATs approved by Globestar inspector.
1.2. Workers familiar with working procedure
1.3. Checked and back-up communications
1.4. Work boat standby
1.5. Working at height rescue team with rescue kit stand by
1.6. Correct PPE for overside and work at height
1.7. Work vest and harness when required
1.8 Harness to be used on all temporary working platform (CPY policy)
I - Very High
E - Very Unlikely
2. Rigging failure / Dropped objects
2.1. Certified and color coded rigging
2.2. Sufficient safety factor applied for rigging design
2.3 Toolbox talk
2.4 Critical Lift check lists
3. Swinging load
3.1. Use tag lines & tirfor to control the movement
3.2 Awareness among work force of line of fire, pinch points, slips, trips and fall.
4. Wires and rigging under tension
4.1. Define exclusion zone with safety tape
4.2 CPY Permit to Work System and JSA
4.3 Constant monitoring of hold back winch wire to avoid clash with equipment.
4.4 Constant monitoring of leveling of Riser Guard during lift with regards to load division
4.5 Constant monitoring of load by means of crane load cell;
5. Uncontrolled approach along jacket
5.1. Visual monitoring of clearance between riser guard and platform
5.2. Use of tugger/tag lines from Rockwater 2 and platform
5.3. Communication on specific channel
5.4. Single point of contact /command
5.5. DP2 Vessel, DP trials performed
6. Manual handling
6.1 Reduce manual handling, tirfors and chain blocks to be used
6.2 Competent person
6.3 Tool Box Talk
Page 4 of 14
Resid
RPC
3
HSE Risk Assessment
02-Jun-14
7. Communications failures
7.1 Dedicated communication channel
7.2 Single point of contact
7.3 Static lifting operation step by step
8. Weather and Sea state
8.1 Acceptable weather window.
8.2 Weather forecast assessed prior to operation
9. Live platform
9.1.Platform induction / Emergency & evacuation awareness
9.2 T-Card system/POB controller system
9.3 CPY Permit to Work
9.4 Notify PIC (CPLO / SLS) of critical lift
9.5 Production shutdown to be performed as per document "Flare Radiation Study & Existing Platforms
Shutdown Philosophy - NG-018-XX-GLO-000057".
10. Diving Activities
10.1. Respect of the IMCA guideline for effect of the currents on diving activity.
10.2 Active monitoring of current conditions.
10.3 Divers to be in safe position during clamps lowering and ensure a good umbilical management. Refer to R025761 General Diving Activities.
10.4 No overhead activities during diving activities. Refer to Project Diving Safety Manual - NG-018-XX-GLO-200007.
11. Security threat
11. AMENAM Complex & Rockwater 2 security plan in place.
12. Clamps positioning and connection to the platform
12.1 Diver to ensure good position and orientation of the clamps.
12.2 Torque tool & bolts available for clamps bolting/tightening.
12.3 Clamps location cleaned and prepared for installation
13. Vessel Connected
13.1 DP2
13.2 DP2 Trial acceptance
13.3 Crane paying out if emergency
13.4 Soft slings in place which can be cut if emergency
Description of Action Assigned
Action Responsible
Due By Date
COMPANY to assess need of Dropped objects study performed
Daniel Hall
16-May-14
Risers positioning onto the CB to be studied
Daniel Hall
16-May-14
Page 5 of 14
HSE Risk Assessment
02-Jun-14
TASK
Task
Hazard
Safety, Health, Environmental Consequence
Severity/
Probability
3. Riser lifting and overboarding from CB
1. Man over board
2. Rigging failure / Dropped
objects
3. Swinging load
4. Rigging under tension
5. Uncontrolled approach to CB
6. Manual handling
7. Communications failures
8. Poor Weather and Sea state
9. Mechanical breakdown of crane
10. Tug Failure
11. Overloading lifting equipment
12. DP failure
13. Security threat
14. Riser damage during lifting up
15. ROV failure
Personnel injury
Equipment damage
Damage to assets (e.g. Risers).
I - Very High
C - Possible
1
Corrective Measure
Severity/
Probability
Resid
RPC
1. Man over board
1.1 Workers familiar with working procedure.
1.2 SOPs (e.g. basket transfer/rigid billy pugh, work boat, etc.) in place.
1.3 Checked and back-up communications.
1.4 Work boat standby.
1.5 Rescue team with rescue kit stand by.
1.6 Correct PPE in place (e.g. life jacket for workers on CB).
I - Very High
E - Very Unlikely
2. Rigging failure / Dropped objects
2.1 Certified and color coded rigging.
2.2 Sufficient safety factor applied for rigging design.
2.3 Check for loose objects.
2.4 Critical Lift check lists.
2.5 Lift Plan in place
3. Swinging load
3.1 Use tugger/tag lines to control the movement.
3.2 Awareness among work force of line of fire, pinch points, slips, trips and fall.
4. Rigging under tension
Page 6 of 14
RPC
3
HSE Risk Assessment
02-Jun-14
4.1 Workers out of line of fire.
4.2 CPY Permit to Work System and JSA.
5. Uncontrolled approach to CB
5.1 Use of tugger/tag lines from Rockwater 2 / CB deck.
5.2 Communication on specific channel.
5.3 Single point of contact/command.
6. Manual handling
6.1 Reduce manual handling, tirfors and chain blocks to be used
6.2 Competent person
6.3 Tool Box Talk
7. Communications failures
7.1 Dedicated communication channel.
7.2 Single point of contact/command.
8. Poor Weather and Sea state
8.1 Bridge to monitor weather conditions & DP system.
8.2 Check CB mooring ropes.
8.3 Acceptable weather window.
9. Mechanical breakdown of crane
9. Mechanics and electrician stand by and available.
10. Tug Failure
10.1 Second tug (assistant tug) to replace the primary one.
10.2 Emergency plan in place.
11. Overloading lifting equipment
11.1 Properly designed rigging.
11.2 Proper communication and coordination.
11.3 Transfer of load to be done step by step
12. DP failure
12.1 DP System checked and monitored.
12.2 DP Trials performed during arrival on site.
12.3 Redundancy by deploying transponder on seabed.
13. Security threat
13. Amenam complex and Rockwater 2 security plan in place.
14. Riser damage during lifting up
14.1 Lengths of the sling are calculated, engineered lift
14.2 Heading of the vessel to be adjusted in an optimized position
14.3 Sea-state to be assessed for this operation (critical operation).
Page 7 of 14
HSE Risk Assessment
02-Jun-14
15. ROV failure
15. Second ROV is available.
Description of Action Assigned
Action Responsible
Due By Date
CONTRACTOR to assess sea-state for Riser lifting & upending
Daniel Hall
16-May-14
TASK
Task
Hazard
Safety, Health, Environmental Consequence
Severity/
Probability
4. Riser transfer to the platform
1.Personnel working at height or
over the side
2.Rigging failure / Dropped
objects
3.Swinging load;
4.Wires and rigging under
tension 5.Uncontrolled approach
along jacket
6.Manual handling
7.Communications failure
8. Poor Weather and Sea state
9. Live platform
10. Rigging equipment running
through piping and cable trays
11. Mechanical break down of
winch
12. Failure of mechanical
equipment
13. Overloading lifting equipment
14. Security threat
15. Exceeding POB on platform
16. SIMOPS activities
17. Diving activities with work
overhead
18. Riser touching seabed
19. Riser connection on clamps
20. DP Failure
21. Existing risers not protected
during Rockwater 2 approach.
Personnel injury
Equipment damage
Platform damage
Riser and pipeline damages
Environment damage
Fire/explosion Damage to subsea assets.
I - Very High
C - Possible
1
Severity/
Probability
Resid
RPC
Corrective Measure
Page 8 of 14
RPC
HSE Risk Assessment
02-Jun-14
I - Very High
E - Very Unlikely
1.Personnel working at height or over the side
1.1 Certified RATs approved by Globestar inspector.
1.2 Workers familiar with working procedure.
1.3 Checked and back-up communications.
1.4 Work boat stand by.
1.5 Working at height rescue team with rescue kit stand by.
1.6 Correct PPE for overside and work at height.
2.Rigging failure / Dropped objects
2.1 Certified and color coded rigging.
2.2 Sufficient safety factor applied for rigging design.
2.3 Perform dropped objects campaign (check for loose objects).
2.4 Critical Lift check lists.
3.Swinging load
3.1 Use tag lines & tirfor to control the movement.
3.2 Awareness among work force of line of fire, pinch points, slips, trips and fall.
3.3 Static rigging and Winch transfer rigging to be protected of sharp edges on platform.
4.Wires and rigging under tension
4.1 Define exclusion zone with safety tape.
4.2 CPY Permit to Work System and JSA.
4.3 Constant monitoring of hold back winch wire to avoid clash with equipment.
4.4 Constant monitoring of load by means of load cell.
5.Uncontrolled approach along jacket
5.1 Visual monitoring of clearance between riser and platform.
5.2 Use of tugger/tag lines/tirfor from Rockwater 2 and platform.
5.3 Communication on specific channel.
5.4 Single point of contact.
6.Manual handling
6.1 Reduce manual handling, tirfors and chain blocks to be used
6.2 Competent person
6.3 Tool Box Talk
7.Communications failure
7.1 Dedicated communication channel.
7.2 Single point of contact.
7.3 Static lifting operation step by step.
8. Poor Weather and Sea state
8. Acceptable weather window.
9. Live platform
9.1 Platform induction / Emergency & evacuation awareness.
Page 9 of 14
3
HSE Risk Assessment
02-Jun-14
9.2 T-Card system/POB controller system.
9.3 CPY Permit to Work / SIMOPs.
9.4 Notify PIC of critical lift.
9.5 Partial shutdown to be performed as per document "Flare Radiation Study & Existing Platforms.
Shutdown Philosophy - NG-018-XX-GLO-000057".
10. Rigging equipment running through piping and cable trays
10.1 Constant monitoring of hold back winch wire to avoid clash with equipment.
10.2 Preparation in advance by Hookup team and inspection before starting the work
11. Mechanical break down of winch & 12. Failure of mechanical equipment
11 & 12 Mechanics and electrician stand by and available.
13. Overloading lifting equipment
13.1 Properly designed rigging.
13.2 Proper communication and coordination.
13.3 Transfer step by step
14. Security threat
14. Amenam complex & Rockwater 2 security plan in place.
15. Vessel Connected
15.1 DP2
15.2 DP2 Trial acceptance
15.3 Crane paying out if emergency
15.4 Soft slings in place which can be cut if emergency
16. SIMOPS activities
16.1. CPY Permit to work.
16.2. Pre-work planning with CPY/SIMOPS.
17. Diving activities with work overhead
17.1. No overhead activities (rigging, etc.) during diving activities. Refer to Project Diving Safety Manual - NG-018-XXGLO-200007.
17.2 Respect of the IMCA guideline for effect of the currents on diving activity.
17.3 Active monitoring of current conditions.
17.4 Divers to be in safe position during clamps lowering and ensure a good umbilical management. Refer to General
Diving Activities.
18. Riser touching seabed
18.1 Clearance to be monitored by ROV.
18.2 Keep riser top flange always above hanger clamp level.
18.3 Riser transfer from Winch Transfer Rigging to Static rigging to be assisted by vessel crane in order to ensure inclination and increase clearance to the
seabed.
19. Riser connection on clamps
19.1 Diver to secure riser clamps in open position prior to riser installation.
Page 10 of 14
HSE Risk Assessment
02-Jun-14
19.2 Torque tool & bolts available for clamps bolting/tightening.
19.3 Temporary Guiding System in place.
20. DP Failure
20.1 DP System checked and monitored.
20.2 DP Trials performed upon arrival on site.
20.3 Redundancy by deploying transponder on seabed.
20.4 Fan Beam reflector required on platform (test to be done before).
20.5 Stop the operations and move out of exclusion zone (500 m)
21. Existing risers not protected during Rockwater 2 approach.
21.1 Use tag lines & tirfor to control the movement.
21.2 Static rigging and Winch transfer rigging to be protected of sharp edges on platform.
Description of Action Assigned
Action Responsible
Due By Date
TASK
Task
Hazard
Safety, Health, Environmental Consequence
Severity/
Probability
Spreader Bar Recovery
1.Personnel working at height or
over the side
2.Rigging failure / Dropped
objects
3.Swinging load;
4.Wires and rigging under
tension 5.Uncontrolled movement
6.Manual handling
7.Communications failure
8. Poor Weather and Sea state
9. Live platform
10. Rigging equipment running
through piping and cable trays
11. Mechanical break down of
winch
12. Failure of mechanical
equipment
13. Overloading lifting equipment
14. Security threat
15. SIMOPS activities
16. Diving activities with work
Personnel injury
Equipment damage
Platform damage
Riser and pipeline damages
Damage to subsea asset
I - Very High
C - Possible
Page 11 of 14
RPC
1
HSE Risk Assessment
02-Jun-14
overhead
17. Spreader bar clash with assets
18. Spreader Bar Clamp opening
20. DP Failure
21. Existing risers not protected
during Spreader bar removal
22. Tug failure
Corrective Measure
Severity/
Probability
1.Personnel working at height or over the side
1.1 Certified RATs approved by Globestar inspector.
1.2 Workers familiar with working procedure.
1.3 Checked and back-up communications.
1.4 Work boat stand by.
1.5 Working at height rescue team with rescue kit stand by.
1.6 Correct PPE for overside and work at height.
I - Very High
E - Very Unlikely
2.Rigging failure / Dropped objects
2.1 Certified and color coded rigging.
2.2 Sufficient safety factor applied for rigging design.
2.3 Perform dropped objects campaign (check for loose objects).
2.4 Critical Lift check lists.
3.Swinging load
3.1 Use tag lines & tirfor to control the movement.
3.2 Awareness among work force of line of fire, pinch points, slips, trips and fall.
3.3 Static rigging and Winch transfer rigging to be protected of sharp edges on platform.
4.Wires and rigging under tension
4.1 Define exclusion zone with safety tape.
4.2 CPY Permit to Work System and JSA.
4.3 Constant monitoring of hold back winch wire to avoid clash with equipment.
4.4 Constant monitoring of load by means of load cell.
5.Uncontrolled movements
5.1 Visual monitoring of clearance between riser and platform.
5.2 Use of tugger/tag lines/tirfor from Rockwater 2 and platform.
5.3 Communication on specific channel.
5.4 Single point of contact.
6.Manual handling
6.1 Reduce manual handling, tirfors and chain blocks to be used
6.2 Competent person
6.3 Tool Box Talk
Page 12 of 14
Resid
RPC
3
HSE Risk Assessment
02-Jun-14
7.Communications failure
7.1 Dedicated communication channel.
7.2 Single point of contact.
7.3 Static lifting operation step by step.
8. Poor Weather and Sea state
8.1 Acceptable weather window.
8.2 Daily forecast provided
9. Live platform
9.1 Platform induction / Emergency & evacuation awareness.
9.2 POB controller system.
9.3 CPY Permit to Work / SIMOPs.
9.4 Notify PIC of critical lift.
9.5 Partial shutdown to be performed as per document "Flare Radiation Study & Existing Platforms.
Shutdown Philosophy - NG-018-XX-GLO-000057".
10. Rigging equipment running through piping and cable trays
10.1 Constant monitoring of hold back winch wire to avoid clash with equipment.
10.2 Preparation in advance by Hookup team and inspection before starting the work
11. Mechanical break down of winch & 12. Failure of mechanical equipment
11 & 12 Mechanics and electrician stand by and available.
Automatic brake system
13. Overloading lifting equipment
13.1 Properly designed rigging.
13.2 Proper communication and coordination.
13.3 Transfer step by step
14. Security threat
14. Amenam complex & Rockwater 2 security plan in place.
15. Vessel Connected
15.1 DP2
15.2 DP2 Trial acceptance
15.3 Crane paying out if emergency
15.4 Soft slings in place which can be cut if emergency
16. SIMOPS activities
16.1. CPY Permit to work.
16.2. Pre-work planning with CPY/SIMOPS.
17. Diving activities with work overhead
17.1. No overhead activities (rigging, etc.) during diving activities. Refer to Project Diving Safety Manual - NG-018-XXGLO-200007.
17.2 Respect of the IMCA guideline for effect of the currents on diving activity.
Page 13 of 14
HSE Risk Assessment
02-Jun-14
17.3 Active monitoring of current conditions.
17.4 Divers to be in safe position during spreader bar removal and ensure a good umbilical management. Refer to
General Diving Activities.
18. Spreader bar clashing seabed
18.1 Clearance to be monitored by ROV.
19. Spreader bar disconnection by clamps
19.1 Diver to secure riser clamps in open position prior to riser installation.
19.2 Hydraulic tools (impact wrench or nut splitter) available for clamps unbolting.
19.3 Static rigging to always take SB weight
19.4 Clamps to be secured open
20. DP Failure
20.1 DP System checked and monitored.
20.2 DP Trials performed upon arrival on site.
20.3 Redundancy by deploying transponder on seabed.
20.4 Fan Beam reflector required on platform (test to be done before).
20.5 Stop the operations and move out of exclusion zone (500 m)
21. Existing risers not protected during Rockwater 2 approach.
21.1 Use tag lines & tirfor to control the movement.
21.2 Static rigging and Winch transfer rigging to be protected of sharp edges on platform.
22. Tug failure
22.1 Second Assistance tug available
Description of Action Assigned
Action Responsible
Due By Date
Confirm if a second tug will be available
Cedric Gendron
01-Jun-14
Page 14 of 14