DOE 2000. - Waste Isolation Pilot Plant - U.S. Department of Energy

WIPP RH PSAR DOE/WIPP-03-3174 APPENDIX C
Table 1- 72B HAZOP Table
Study Node
Event No.
Deviation Causes Consequences Existing Safeguards Actions or
Recommendations
Total Rank
(Cons.,Freq )
Radiological Rank
(Cons.,Freq)
Comments
3 - 4 Crane drops
outer lid onto
cask
Human Error;
Equipment
Failure - Crane
Potential damage
to cask;
Potential damage
to inner container
(ICV) lid;
Potential damage
to outer lid sealing
surface;
Potential for
severe worker
injury
Cask design;
Crane operator training;
Waste handling procedures;
Cask (ICV lid) design;
Lifting fixture design
NAI 3,4 NA Industrial hazard
only
4 - Cask transfer to unloading room
4 - 1 Over-speed -
Impact
involving
transfer car
with road cask
-
transfer car
stays on rails
Human Error;
Equipment
Failure;
foreign object on
rails
Potential
production
downtime;
Potential for
damage to
equipment;
Potential for
severe worker
injury
Transfer car design;
Rail design;
Cask design;
Operator training;
Waste handling procedures;
Limited transfer car speed
NAI 3,4 NA Industrial hazard
only
4 - 2 Road cask
transfer car
derails and falls
over
Human Error -
Failure to
replace
removable rails
at cask
unloading room
entry;
Foreign object
on rails
Potential for
production
downtime;
Potential for
worker injury or
fatality
Road Cask transfer car design;
Cask/canister design;
Operator training;
Waste handling procedures;
NAI 4,4 NA Worker injury or
fatality could
result from the
industrial
accident.
C-8 January 23, 2003