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
12-3 Loss of
ventilation
(ventilation
requirements
between RH
and CH
processes are
not maintained)
Human Error-
Improper
bulkhead
alignment
Equipment
Failure - Failure
of exhaust fans;
Utility Failure -
Loss of power
Potential to
shutdown
operations
Underground ventilation
system alignment procedures;
Worker training;
Preventive Maintenance
Program for ventilation system
equipment;
Redundant exhaust fans;
Evacuation plan
NAI NA NA No release of
radiological
materials
13 - General Facility operation - NPH, External events
13-1 Seismic Event
(Design Basis
Earthquake)
Earthquake
Potential for
major disruption
of facility
operations;
Potential damage
to cask and/or
canister;
Potential breach
of canister;
Potential for loss
of site utilities;
Potential to
release radioactive
material;
Potential for
radiological
exposure to offsite
personnel;
Potential for fire;
Potential for
explosion;
Potential for
worker injury or
fatality
Waste Handling Building
designed for DBE;
Emergency Response Plan;
Recovery Plan;
Road cask design - meets DOT
Type B shipping container
certification requirements;
HVAC system shutdown
switch
NAI 4,3 Facility Worker -
4,3
Onsite Worker - 4,3
Offsite - 4,3
Worker injury or
fatality could
occur as the
result of the
earthquake
alone.
Radiological
impact would
likely be
extensive.
C-25 January 23, 2003