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
5. Unload the Cask in the CUR
5BD-1
Lifting fixture
dropped onto
the drums in
the CUR
Human error;
Equipment
failure
Potential for
breach of drums;
Potential for
onsite and
potential for
offsite
consequences;
Potential for
release of
radiological and
hazardous waste;
Potential to shut
down operations;
Potential for
spread of
contamination.
Training and Procedures;
Facility design;
Ventilation systems;
CAMs; Emergency Response
Procedure;
Preventive Maintenance
Program on crane; Crane
design;
Fixture design; Frequent crane
inspections; Shield door crane
interlocks mitigate direct
radiation exposure and/or
spread of contamination.
NAI 4,4 Facility Worker -
4,4
Onsite Worker - 4,4
Offsite - 4,4
Radiological
Hazard Only
5CE-1
Drum carriage
dropped while
lifting due to
carriage getting
caught and
over stressing
fixture or
basket in the
CUR
Mechanical/
equipment
failure (fixture,
sling, etc);
Human error
Potential for
breach of drums;
Potential for
spread of
contamination;
Potential for
offsite and onsite
consequences;
Potential for
release of
hazardous waste;
Potential to shut
down operations;
Hot Cell and
unloading room
contaminated.
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
Radiological
Hazard Only
C-41