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

WIPP RH PSAR DOE/WIPP-03-3174 APPENDIX C
Table 2- 10-160B HAZOP Table
Study Node
Event No.
Deviation Causes Consequences Existing Safeguards Actions Total Rank
(Cons., Freq)
Radiological Rank
(Cons.,Freq)
Comments
10. Unload Carriage Units in Hot Cell
10A-1 Puncture drum
in the Hot Cell
with PAR®
manipulator
Human error;
Equipment
failure
Potential for
breach of drum;
Potential for
spread of
contamination;
Potential for
offsite and onsite
consequences;
Potential for
release of
hazardous waste;
Potential for
operational down
time.
Training and Procedures;
Facility design;
Ventilation systems;
CAMs; Emergency Response
Procedure;
Preventive Maintenance
Program on PAR®
manipulator equipment and
controls; Crane design;
Inspection of shield door
closed in the CUR; Shield plug
in Hot Cell is in place Shield
door crane interlocks mitigate
direct radiation exposure
and/or spread of
contamination.
NAI 4,4 Facility Worker -
1,4
Onsite Worker - 4,4
Offsite - 4,4
Radiological
Hazard Only
10B-1 While lifting
the drum, drum
lid comes off in
the Hot Cell
Human error;
Equipment
failure; Drum lid
failure
Potential for drum
breach (1 drum);
Potential for
spread of
contamination;
Potential for loss
of production;
Potential for
onsite and offsite
consequences.
Training and procedure;
Preventive Maintenance
Program on crane;
Drum design;
Drum inspection;
WAC;
Ventilation;
Shield door closed in the CUR;
Shield plug in Hot Cell is in
place.
NAI 3,4 Facility Worker -
1,4
Onsite Worker - 3,4
Offsite - 3,4
C-50