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|  DOE-HDBK-1115-98
C
Evaluate facility conditions to determine the applicability of emergency operating
procedures, and provide recommendations regarding facility control to maintain
engineered safety features and stabilize the facility.
C
Describe the relationship of accident conditions to offsite consequences and protective
actions strategies.
C
Evaluate facility conditions to assist the crew in classifying events.
4.6 Mitigating Damage
The shift operating crews must be able to recognize and respond correctly to mitigate the
consequences of facility damaging accidents until management and technical help arrive
onsite. They must continue to operate the facility to maintain the engineered safety features
during degraded system or facility conditions.
Training methods and settings should be selected so that basic principles and recognition of
appropriate parameters are understood and operating proficiency is gained to mitigate facility
damage. For maximum effectiveness, training on mitigating facility damage should be factored
into existing training material whenever feasible rather than making this area a stand-alone
subject. Simulator exercises and classroom case studies based on accident sequences that
lead to facility damage should be developed by extending existing training on anticipated
transients to include facility-damaging events.
Training on mitigating facility damage should provide trainees with the requisite knowledge and
skills to perform the following:
C
Identify conditions that could, if not corrected, lead to facility damage during or following
a transient.
C
Evaluate facility conditions to determine the scope of facility damage.
C
Describe the mechanisms controlling reactivity under facility damage conditions.
C
Analyze facility conditions to determine the status of facility, and develop strategies for
the operating crew to prevent further facility damage and commence accident recovery
procedures.
C
Assess the status of the normal radioactive containment barriers, describe mechanisms
for preventing the release of large quantities of radioactive material or radiation to the
environment, and develop strategies for the operating crew to restore containment
barriers.
C
Describe the instruments used to monitor critical facility parameters, interpret these
parameters under accident conditions, and identify alternate equipment or methods
available to provide appropriate information.
C
Describe and assess the performance of equipment (including nonsafety-related
equipment) that can be used to maintain the engineered safety features under accident
conditions, and provide recommendations to the operating crew on their use.
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