Natural Emergencies Flashcards
What are entry conditions for Earthquake section?
Who is contacted to determine magnitude of earthquake?
Memphis University Earthquake Information Center and Natinal Earthquake Information Service in Denver, CO
What actions are required if earthquake of 0.1g or higher has occured?
1) Place any fuel assembly in transit in safe configuration and stop all fuel handling activities
2) If BWST on purification then secure it
3) If at power then S/D to mode 3 per rapid plant s/d.
What heightened monitoring is established for earthquake?
1) sump pump operation and alarms
2) Tank levels and alarms
3) RCS leakrate
What actions are required for 0.01G to 0.1G Earthquake?
Inspect components required to maintain plant at current mode for damage
What EALs are applicable for Earthquake?
HU2.1 Seismic event > OBE as indicated by annunciation of 0.10g alarm
Upgrade is to SA9.1 for hazardous event occurs and damage to one train safety system needed for current mode and damage to second train
What are entry conditions for predicted severe weather section?
What action is required if weather situation necessitates the suspension of security measures?
Ensure required 1 hour notification is made to NRC per 10CFR73.
What actions are taken for the diesel if a tornado watch is issued?
Ensure both EDG crankcase pressure hi isolations are locked closed.
What major actions are taken for tornado watch or severe thunderstorm warning?
1) Secure fuel handling if projected to hit within 1 hour
2) Check spent fuel crane parked and locked
3) Isolate T-25 from T-57s due to potential for gross failure of T-25 that could allow water to drain into T57s
What are entry conditions for Loss of Dardanelle Reservoir due to loss of inventory?
What major actions are performed for loss of dardanelle reservoir due to loss of inventory?
1) Commence RPSD to mode 3 (If forecasted to reach 334’ then perform at maximum safe rate)
2) Align SW return to ECP
3) Prior to 332’, Ensure RX tripped, Align SW suction to ECP, EFW, ADVs with MSIVs closed
What are entry conditions for Flood section?
What major actions are taken if Lake level greater than 345 ft?
1) S/D plant
2) Perform local flooding actions per att B
What major actions are taken if predicted lake level greater than 354 ft?
1) Coordinate with Entergy Arkansas to prepare SU2 for operation
2) Prior to reaching 354’, secure non-essential electrical loads and coordinate with U2 to align auxiliaries to SU2 and de-energize SU1
What are entry conditions for imminent severe weather section (High winds/tornado warning)?
