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
9-6 External fire to
Hot Cell
Hydraulic fuel
fire;
Fire in the crane
maintenance
room; Electrical
fire
Potential to form
toxic gas from
neoprene;
Industrial hazards
from a fire.
Fire brigade - fire protection;
Fire Loading/ Combustible
Control Program;
Training and procedures;
Fire detection in Operation
Gallery (outside of Hot Cell);
Sprinkler system;
Hot Cell design;
Ventilation.
A-6) Verify gallery
combustible
loading with
facility FPE.
2,4 NA Industrial
Hazard Only
Concrete
structure
prevents fire
from spreading
to Hot Cell
9-7 Criticality in
the Hot Cell
NA NA NA A-7) Need to
update criticality
analysis to address
this deviation.
NA NA HAZOP did not
address
criticality, but
will be
addressed in
separate
evaluation.
9-8 Mishandling of
HEPA Filter
Human error
Potential for
facility worker
exposure
Training and procedures for
filter change-out; Personal
Protective Equipment; Bag-out
process for HEPA filter
change-out
NAI 2,4 Facility Worker -
2,4
Onsite Worker -
NA
Covered as part
of Maintenance
Program
Offsite - NA
9-9 High Radiation
- Direct
radiological
exposure
Human error;
Worker
inadvertently
enters an area
where waste
handling is
happening.
(Transfer Cell or
Hot Cell)
Potential for
facility worker
exposure
Training and procedures;
Administrative controls for
lock and key;
ARM indicators in the Hot
Cell and Transfer Cell;
.
NAI 3,4 Facility Worker -
3,4
Onsite Worker -
NA
Offsite - NA
Radiological
Hazard Only
C-46