Concrete deck on Precast Beams
Raw Risk
Contingency
Cost
Estimate
d cost of
the event
(£)
£25,000
Time
Estimate
d time of
the event
(Days)
2
Severity
(Quantitative
Assessment
of event
severity)
High
Probability
(Quantitative
Assessment
of event
probability)
Medium
Risk
Factor
(Taken
from risk
matrix)
0.625
Cost of
risk
(£)
Time
of risk
(Days)
Comments or control measure puts in place
£16,000
1.5
Extremely difficult to avoid use of crane to
erect this scheme.
Launching Jack
or bearing
failure
Loss of
stability during
launching
£125,000
12
Very high
High
0.625
£78,125
7.5
Jacks and bearings under constant stress.
Provide spares and standby fitting team.
£650,000
90
Very high
low
0.40
£260,00
0
36
Positioning and quantity of kentledge very
important during movement of precast
beams. Rehearsal of sequences and backup
for computer controls essentials.
Insufficient
space on site
to precast
beams
£150,000
60
High
Low
0.50
£75.000
30
This construction technique requires
previous sections to be used as a shutter (the
surfaces will be matted later). A large space is
required to undertake this operation.
Investigate temporary used of adjacent waste
land for this purpose.
Event
Crane
Overturning
Total Risk