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
13-2 Tornado
(Design Basis
Tornado)
Tornado
Potential for
disruption of
processing
operations;
Potential to lose
site utilities;
Potential for
worker injury or
fatality;
Potential for fire;
Potential for
explosion
Waste Handling Building
designed to withstand
tornados;
Emergency response
procedures;
Recovery Plan;
Weather monitored by CMR
(Central Monitoring Room);
Road cask design - meets DOT
Type B shipping container
certification requirements;
NAI 4,4 NA Worker injury or
fatality could
occur as the
result of the
tornado.
13-3 Loss of Facility
ventilation
Human Error-
Improper
bulkhead
alignment
Equipment
Failure -Failure
of exhaust fans;
Loss of electrical
power;
Loss of
compressed air
Potential to
shutdown
operations
Worker training; Ventilation
system operating procedures;
Preventive Maintenance
Program for ventilation system
equipment;
Redundant Exhaust fans;
Evacuation plan;
Backup diesel generators;
Redundant air compressors
NAI NA NA No release of
radiological
materials
13-4 Loss of power NPH -
Earthquake,
tornado,
lightning, high
winds, etc.;
Vehicle impact;
Power from
commercial
supplier is lost
Potential loss of
filtered
ventilation;
Potential loss of
hoist
Backup diesel generators;
Redundant power feeds;
Response procedures; Worker
training
NAI NA NA No release of
radiological
materials
C-26 January 23, 2003