AOP2 Flashcards
State Vessel level for reduced inventory entry condition
-36”
State Vessel level and RHR flow restriction
Before lowering vessel level to below -78” RHR flow must be limited to 1600 GPM by throttling RH-V-14 & 26
State requirement for RCS Intact
RV head installed and tensioned, SG primary manways installed, PZR manway installed, PZR PORV’s and safeties installed.
State vessel level for Mid Loop
RCS water level is lower than the top of the flow area at the junction of the hot legs with the reactor vessel. At Seabrook this is - 71”.
When are SI accumulators isolated
RCS temp prior to 350F
RCS Press <1000#
State RHR pump Shutdown requirement during a SD LOCA (include adverse containment numbers)
PZR level <7% (28% if adverse)
- OR -
RCS subcooling <40F
State RCP trip Requirement during a SD LOCA (include adverse containment numbers)
PZR level <7% (28% if adverse) - OR - RCS subcooling <40F - OR - RCP seal DP <220# - OR - RCP seal leak off less than required
State Mode 4 T.S. action Statement for loss of ECCS
With no ECCS subsystem OPERABLE because of the inoperability of either the centrifugal charging pump or the flow path from the refueling water storage tank, restore at least one ECCS subsystem to OPERABLE status within 1 hour or be in COLD SHUTDOWN within the next 20 hours.
State Rx trip criteria for loss of SCCW
If at least one pump can not be started then trip the Rx
State how to control SCCW pump amps when on 1 pump
Throttle the running pump discharge valve
State Rx trip criteria for loss of IA
If a loss of plant control occurs then trip the Rx
State when SA header can be restored
When SA # is >95# then open SA-V-92/93
State entry to GSU Trouble
ISO NE notifies Seabrook of a Kp7 or higher
Florida TPDC notifies Seabrook of a Kp7 or higher (TPDC will notify at a 6 but entry is not required)
State GSU trouble Rx trip Criteria
Hot spot winding temp >110C and GSU oil temp alarm limit is exceeded
- OR -
DC Neutral Ground Current limit is exceeded
State Load reduction Criteria for GSU trouble
Hot Spot Winding Temp >100C
- AND -
GSU Oil Temp High reset
–> reduce load at 120%/HR in 10% increments
State major equipment lost on loss of SWG-12A
EBOP
ESOP
AR-P-50A/B suction valves fail close
Loss of runback
State major equipment lost on loss of SWG-12B
CS-V-145 fails closed RCS Make up AR-P-50C suction valve fails close Loss of steam dumps RC-LCV-460/459 - fail close
State Rx trip Criteria on high SG pressure
1150#
State actions if H2 pressure is not normal and seal oil pumps are not working
Trip Rx (turbine)
State indications of CBS check valves leakage
Suction pressure/temp high
High heat up rate in suction line (6F/min = gross failure)
State NRC notification for loss of RHR cooling
8 HRs per 10 CFR 50.72
State alternate method for sweeping air out of lines in the RHR system
fill vessel above -71”
Run a RHR pump at greater than 2285 GPM
State vessel level where a RHR pump can be started
-83.5” and stable or rising
State the rate of decrease for cavity level if the seal is leaking
2”/min with transfer valve closed
- OR -
1”/min with transfer valve open
