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
5CE-2
Drum carriage
dropped inside
the Hot Cell
onto stored
waste
Human error;
Equipment
failure
Potential for
breach of canister
and drums;
Potential for
spread of
contamination;
Potential for
offsite and onsite
consequences;
Potential for
release of
hazardous waste;
Potential to shut
down operations.
Fixture design;
Drum carriage design;
Crane design;
Training and Procedures;
Ventilation; Emergency
Response Procedure;
Preventive Maintenance
Program on crane; Frequent
crane inspections.
NAI 4,4 Facility Worker -
4,4
Onsite Worker - 4,4
Offsite - 4,4
5CE-3
Broken Hot
Cell window
Human error
(crane, other
equipment
falling into
window);
Equipment
failure;
Nitrogen - over
pressurized
bladders in
window
Potential for loss
of shielding to
facility worker;
Potential for
personnel injury
Training and procedures;
Preventive maintenance on
crane and windows (N 2
bladders in windows have
pressure relief valves); Hot
Cell leaded glass on outer
layer
NAI 2,4 Facility Worker -
2,4
Onsite Worker -
NA
Offsite - NA
6. Reinstall Cask Lid in the CUR
6B-1 Cask lid
dropped onto
the cask in the
CUR
Human error;
Equipment
failure
Potential for
facility damage.
Training and Procedures;
Facility design;
Preventive Maintenance
Program on crane; Crane
design; Frequent crane
inspections.
NAI NA NA
6B-2 Cask lid
dropped onto
the stored
waste in the
Hot Cell
Same as event
4H-1
C-42