AOP, EOP, FRP, LMFRP Flashcards
Unit 1 is in Mode 6.
Core off-load is in progress.
The CRS is informed that a Fuel Assembly has been dropped in the Spent Fuel Pool.
The Fuel Assembly is being placed in a stable condition.
RU-31 is in alert alarm and readings are trending up.
RU-145 is in alert alarm and readings are trending up.
In addition to initiating a FBEVAS the crew is expected to….
A. Ensure all personnel have evacuated the area, no other actions are required.
B. Initiate or verify initiated CRVIAS and ensure all personnel have evacuated the area.
C. Initiate or verify initiated CREFAS and ensure all non-essential personnel have evacuated the area.
D. Initiate or verify initiated CREFAS, CRVIAS and ensure all non-essential personnel have evacuated the area.
C. Initiate or verify initiated CREFAS and ensure all non-essential personnel have evacuated the area.
Unit 1 is in MODE 6.
Core off-load is i I progress.
Subsequently:
The Refueling SRO informs the Control Room that a Fuel Assembly has been dropped in the Refueling Pool.
The RO reports that Power Access Purge Radiation Monitors, RU-37 and RU-38, are slowly trending up.
Per 40AO-9ZZ22, Fuel Damage, the crew should ensure (1) and (2) are initiated.
A. (1) CPIAS (2) CREFAS
B. (1) CPIAS (2) CRVIAS
C. (1) FBEVAS (2) CREFAS
D. (1) FBEVAS (2) CRVIAS
A. (1) CPIAS (2) CREFAS
Unit 1 is in Mode 6.
Core off-load is in progress.
LPSI Pump A is in service providing SDC flow at 4100 gpm.
LSRO reports that a fuel assembly has been dropped in the Refueling Pool.
Bubbles can be seen emerging from the dropped assembly.
Power Access Purge monitors, RU-37 and RU-38, are trending up.
Operating Level Area monitor, RU-16, is trending up.
The CRS is required to enter (1) and ensure (2).
A. (1) 40EP-9EO11, LMFRP (2) CPIAS and CREFAS are initiated.
B. (1) 40EP-9EO11, LMFRP (2) an equal number of Auxiliary Building normal and exhaust fans are running.
C. (1) 40AO-9ZZ22, Fuel Damage (2) CPIAS and CREFAS are initiated.
D. (1) 40AO-9ZZ22, Fuel Damage (2) an equal number of Auxiliary Building normal and exhaust fans are running.
C. (1) 40AO-9ZZ22, Fuel Damage (2) CPIAS and CREFAS are initiated.
Unit 1 is in Mode 5 during a refueling outage.
‘A’ Train shutdown cooling is in service.
Spent Fuel Pool Level Hi or Lo is in alarm.
Spent Fuel Pool Level Lo-Lo is in alarm.
An Auxiliary Operator confirms Spent Fuel Pool level is 136 ft 6 inches and slowly lowering.
What is the current status of (a) LCO 3.7.14, Fuel Storage Pool Water Level (b) Spent Fuel Pool Cooling (c) and which procedure should be implemented to correct this condition?
A. (a) Entry into the LCO 3.7.14 is not required (b) SFP cooling must be secured at this level (c) 40AO-9ZZ23, Loss of SFP Level and Cooing.
B. (a) Entry into the LCO 3.7.14 is required (b) SFP cooling can remain in operation at this level (c) 40AO-9ZZ23, Loss of SFP Level or Cooling.
C. (a) Entry into the LCO 3.7.14 is required (b) SFP cooling must be secured at this level (c) 40EP-9EO11, Lower Mode Functional Recovery Procedure.
D. (a) Entry into the LCO 3.7.14 is not required (b) SFP cooling can remain in operation at this level (c) 40EP-9EO11, Lower Mode Functional Recover Procedure.
B. (a) Entry into the LCO 3.7.14 is required (b) SFP cooling can remain in operation at this level (c) 40AO-9ZZ23, Loss of SFP Level or Cooling.
Unit 1 is raising power to 100% following a SNOW outage.
Current power is 80%.
The Crew has confirmed a complete loss of annunciators.
The Plant Computer (PC) has been verified as not reliable.
Which of the following auctions is directed by 40AO-9ZZ15, Loss of Annunciators?
A. Immediately trip the reactor, perform SPTAs.
B. Stabilize the plant at the current power level.
C. Continue the power increase to 100% w its increased monitoring.
D. Perform a plant shutdown if annunciators are not restored within 2 hours.
B. Stabilize the plant at the current power level.
Unit 1 has tripped from rated power. Offsite power was lost following the reactor trip. DG ‘B’ is under clearance and OOS. DG ‘A’ is supplying power to PBA-S03. AFA-P01 is feeding each SG at 300 gpm. SPTAs have been completed. CRS has implemented the Loss of Offsite Power/Loss of Forced Circulation. MSIS has been manually actuated.
NOW
Window 1A04A (125 1E CC M41 CHGR A/AC PNL D21 TRBL) is alarming.
Point ID - PKYS3 125. VDC CC PKA-M41 Bus Und/Ground/Breaker Trip is in alarm.
The Reactor Operator reports that the PK ‘A’ bus shows 0 volts.
The CRS Should…
A. Remain in LOOP/LOFC and initiate feedwater flow with AFN-P01 by overriding and opening downcomer isolation valves.
B. Transition to the Loss of All Feed procedure and initiate AFW flow per standard Appendix 40, Local Operation of AFA-P01.
C. Transition to the Blackout procedure and restore power and feedwater flow by paralleling Blackout Turbine Generators to PBA-S03.
D. Transition to the Functional Recovery procedure and implement the appropriate MVAC appendix to restore power and feedwater flow.
D. Transition to the Functional Recovery procedure and implement the appropriate MVAC appendix to restore power and feedwater flow.
(NOTE: You lose. PBA bus due to having no DC)
Unit 1 has tripped from 100% full power.
A total loss of offsite power has occurred.
Emergency Diesel Generator ‘A’ Tripped.
AFB-P01 is providing feedwater flow.
ADVs are in use for reactor coolant system heat removal.
There are no abnormal radiation trends or alarms.
PNA-D25, Channel ‘A’ 120VAC, is de-energized.
All other systems are operating as designed.
Which ONE of the following correctly identifies the optimal recovery strategy for plant stabilization?
A. Enter the Functional Recovery Procedure due to the MVAC safety function being jeopardized.
B. Enter the Functional Recovery Procedure because no other EOP will mitigate the events in progress.
C. Complete the Loss of Forced Circulation (LOOP), only then may the Loss of Class Instrument Power procedure be addressed.
D. The CRS may elect to perform the Loss of Forced Circulation (LOOP) and Loss of Class Instrument Power Procedures concurrently.
D. The CRS may elect to perform the Loss of Forced Circulation (LOOP) and Loss of Class Instrument Power Procedures concurrently.
Unit 1 is operating at 100% power.
NAN-S02 (13.8KV non class bus) faulted and is de-energized.
An automatic reactor trip occurs.
Standard Post Trip Actions (SPTAs) are completed.
Pressurizer Level is 33% and stable.
NO operator actions have been taken or are required.
Subsequently
Start-up Transformer NAN-X03 faults and is de-energized.
The CRS should now anticipate that Pressurizer level will…
A. Increase above the control band, level should be controlled by initiating a Cool-down per 40EP-9EO07, LOOP/LOFC.
B. Increase above the control band, level should be controlled by securing all charging pumps per 40EP-9EO02, Reactor Trip.
C. Drop below the control band, level should be controlled by green flagging the always running charging pump per 40EP-9EO02, Reactor Trip.
D. Drop below the control band, level should be restored by green flagging the always running charging pump per 40EP-9EO07, LOOP/LOFC.
A. Increase above the control band, level should be controlled by initiated a Cool-down per 40EP-9EO07, LOOP/LOFC.
Unit 1 tripped from 100% power due to a loss of offsite power.
DG ‘A’ is under clearance for planned maintenance.
The RO reports that Essential Spray Pond Pump ‘B’ has both a white and blue light illuminated on the SESS panel.
1. What is the appropriate EOP to enter?
2. What is the required action and reason for that action?
A. 1. 40EP-9EO07, LOOP/LOFC. 2. Place all the charging pump hand switches in Pull to Lock to prevent uncontrolled restoration of RCP Seal Injection.
B. 1. 40EP-9EO07, LOOP/LOFC. 2. Isolate Seal Injection to prevent a rapid Cool-down of the RCP seals.
C. 1. 40EP-9EO08, Blackout. 2. Place all the charging pump hand switches in Pull to Lock to prevent uncontrolled restoration of RCP seal injection.
D. 1. 40EP-9EO08, Blackout. 2. Isolate Seal Injection to prevent a rapid Cool-down of the RCP seals.
C. 1. 40EP-9EO08, Blackout. 2. Place all the charging pump hand switches in Pull to Lock to prevent uncontrolled restoration of RCP seal injection.
Unit 2 tripped due to a Loss of Offsite Power.
40EP-9EO07, LOOP/LOFC has been entered.
Standard Appendix 62, NKN-M46 Load Reduction and Main Generator Venting has been sent to the field.
(1) The Auxiliary Operator will perform actions to de-energize DC lube oil pumps and aligns NKN-U45 and NKN-U46, transfer switches to
(2) These actions ensure DC power is available for switchyard breaker control and….
A. (1) NKN-M45, non-class 125vdc bus. (2) emergency seal oil pump operation to prevent hydrogen leakage out of the main generator seals. B. (1) NKN-M46, non-class 125vdc bus. (2) emergency seal oil pump operation to prevent hydrogen leakage out of the main generator seals. C. (1) NKN-M45, non-class 125vdc bus. (2) emergency seal oil pumps are available for the main feed pump and the main turbine to prevent shaft bowing. D. (1) NKN-M46, non-class 125vdc bus. (2) emergency oil pumps are available for the main feed pump and main turbine to prevent shaft bowing.
B. (1) NKN-M46, non-class 125vdc bus. (2) emergency seal oil pump operation to prevent hydrogen leakage out of the main generator seals.
(Note: On a loss of offsite power Unit 1 gets SBOG and power NKN-M45 through ‘EF’ Charger. Unit 2 and 3 switch control power from NKN-U45 and NKN-U46 to NKN-M46 because it will be load shed and will last ~7 hours.)
Unit 1 automatically tripped from 100% power.
525kv East Bus, MAN-EI-001, has no indication.
525kv West Bus, MAN-EI-002, has no indication.
DG B started bus tripped on low lube oil pressure.
PBA-S03, 4160 class bus, is being powered by DG A.
AFA-P01, Auxiliary feed pump A, is under clearance and OOS.
SG levels are 52% WR and lowering.
Which one of the following is correct?
A. Implement 40EP-9EO02, Reactor Trip, NO MSIS initiation required, restore SG levels using AFN-P01.
B. Implement 40EP-9EO07, LOOP/LOFC, NO MSIS initiation required, restore SG levels using AFN-P01.
C. Implement 40EP-9EO02, Reactor Trip, initiate an MSIS then restore SG levels using AFN-P01 by overriding the downcomer isolation valves.
D. Implement 40EP-9EO07, LOOP/LOFC, initiate an MSIS then restore SG levels using AFN-P01 by overriding the downcomer isolation valves.
D. Implement 40EP-9EO07, LOOP/LOFC, initiate an MSIS then restore SG levels using AFN-P01 by overriding the downcomer isolation valves.
Per 40EP-9EO08, Blackout, Charging Pumps are (1) in order to prevent a potential RCS leak due to thermal shock of the (2) when power is restored.
A. (1) placed in Pull To Lock (2) Reactor Coolant Pump Seals
B. (1) placed in Pull To Lock (2) Regenerative Heat Exchanger
C. (1) aligned to the alternate discharge header (2) Reactor Coolant Pump Seals
D. (1) aligned to the alternate discharge header (2) Regenerative Heat Exchanger
A. (1) placed in Pull To Lock (2) Reactor Coolant Pump Seals
Unit 1 is in blackout condition.
Both Unit 1 EDGs are unavailable.
Off-site power is not expected to be available for 3 hours.
Per 40EP-9EO08, Blackout, an SBOG must be aligned to a vital 4.16kv bus within a MAXIMUM of (1) in order to ensure sufficient power is available to coping loads to support the blackout coping time of (2).
A. (1) 1 hour (2) 4 hours
B. (1) 1 hour (2) 16 hours
C. (1) 2 hours (2) 4 hours
D. (1) 2 hours (2) 16 hours
B. (1) 1 hour (2) 16 hours
- During a station blackout, the PREFERRED class 4kv Bus to align an SBOG to is (1).
- Aligning the SBOG to the preferred bus within one hour of the blackout should provide enough electrical capacity to satisfy the coping time of (2) hours.
A. (1) PBA-S03 (2) 4
B. (1) PBA-S03 (2) 16
C. (1) PBB-S04 (2) 4
D. (1) PBB-S04 (2) 16
B. (1) PBA-S03 (2) 16
Unit 2 tripped from 100% power due to a loss of offsite power.
Both EDGs failed and the CRS has just transitioned to 40EP-9EO08, Blackout.
The ECC reports that an offsite power source should be available in the next 30 minutes.
The RO reports the following Containment parameters:
-Containment pressure is 2.8 psig and slowly rising.
-Containment temperature is 210F and slowly rising
Based on these parameters, the CRS should determine that the Containment Temperature and Pressure Control Safety Function is not met due to Containment (1) and the CRS should (2).
A. (1) pressure ONLY. (2) Remain in 40EP-9EO08, Blackout, and direct the RO to perform Appendix 53, Align De-energized Buses, in anticipation of the restoration of offsite power.
B. (1) pressure ONLY. (2) Transition to 40EP-9EO09, Functional Recovery, Andy take action per MVAC-3, SBOG, to aid in restoring the CTPC safety Function.
C. (1) pressure AND temperature. (2) remain in 40EP-9EO08, Blackout, and direct the RO to perform Appendix 53, Align De-energized Buses, in anticipation of the restoration of offsite power.
D. (1) pressure AND temperature. (2) transition to 40EP-9EO09, Functional Recovery, and take action per MVAC-3, SBOG, to aid in restoring the CTPC safety function.
D. (1) pressure AND temperature. (2) transition to 40 EP-9EO09, Functional Recovery , and take action per MVAC-3, SBOG, to aid in restoring the CTPC safety function.
Unit 1 tripped from 100% power.
40EP-9EO08, Blackout has been implemented.
DG A has been started following a reset of an emergency trip.
DG A Frequency meter, PEN-SI-G01 reads 58 hertz.
PBA-S03, class 4160 AC bus is de-energized.
(1) What actions are required to raise DG A speed using DG A Speed HS, PEA-SC-G01?
(2) After the DG reaches rated speed, what will be the status of the DG A output breaker, PBB-S03B?
A. (1) Place the DG A hand switch, DGA-HS-1 to ‘Start’ to override the DG and raise DG speed. (2) Since the BOP-ESFAS sequencer changed modes the DG A output breaker will not automatically close.
B. (1) Place PEA-SS-G01D, Diesel Generator A Speed Control Mode Select, to ‘Droop’ raise DG Speed. (2) Since the BOP-ESFAS sequencer changed modes the DG A output breaker will not automatically close.
C. (1) Place PEA-SS-G01D, Diesel Generator A Speed Control Mode Select, to ‘Droop’ raise DG Speed. (2) DG output breaker will automatically close when DG speed reaches 59.9 hertz.
D. (1) Place the DG A hand switch, DGA-HS1 to ‘START’ to override the DG and raise DG speed. (2) DG output breaker will automatically close when DG speed reaches 59.9 hertz.
D. (1) Place the DG A hand switch, DGA-HS1 to ‘Start’ to override the DG and raise DG speed. (2) DG output breaker will automatically close when DG speed reaches 59.9 hertz.
Unit 1 tripped from 100% power due to a Loss of the 525kv switchyard.
Conditions have required the CRS to enter 40EP-9EO08, Blackout.
SG levels are 50% WR and lowering.
RCS pressure is 2050 psia slowly lowering.
RCS Tcold is 562F and stable.
RCS Thot is 585F and stable.
REP CET temperature is 592F and stable.
AFA-P01, Turbine Driven AFP was feeding each SG at 150 gpm, but has been secured.
Reactor Makeup Water tank level is 36 feet.
The Condensate Storage Tank has been damaged and level is 4 feet lowering.
(1) Natural Circulation conditions.
(2) SG feed flow can be restored by implementing Standard Appendix….
A. (1) have been established. (2) 45, Feeding Unit 1 SGs with the Unit 2 Condensate Pumps.
B. (1) have been established. (2) 42, Aligning Essential Aux Feedwater Pumps Suction to RMWT.
C. (1) have NOT been established. (2) 45, Feeding Unit 1 SGs with the Unit 2 Condensate Pumps.
D. (1) have NOT been established. (2) 42, Aligning Essential Aux Feedwater Pumps Suction to RMWT.
B. (1) have been established. (2) 42, Aligning Essential Aux Feedwater Pumps Suction to RMWT.
Unit 1 has been in a Blackout condition for 3 hours.
The crew is performing actions of 40EP-9EO08 (Blackout).
PBA-S03 has been energized by ONE Station Blackout Generator (SBOG) per Standard Appendix 80.
Attempts to restore power from other sources have been unsuccessful.
Natural circulation flow CAN NOT be verified.
In accordance with the Blackout procedure, which ONE of the following describes the action(s) that will be taken by the crew?
A. Use Auxiliary Spray to lower RCS pressure. B. Commence a cool down to shutdown cooling entry conditions. C. ENSURE Train ‘A’ ADVs are throttled adequately to maintain RCS sub cooling. D. OVERRIDE and ENERGIZE Train ‘A’ class backup heater to stabilize RCS pressure.
C. ENSURE Train ‘A’ ADVs are throttled adequately to maintain RCS sub cooling.
Unit 1 has been in a blackout condition for 2 hours.
QSPDS indicates 32 degrees superheat and has been stable for the last 15 minutes.
CET temperatures and RCS pressure have also been stable for the last 15 minutes.
What is the condition of RCS and core heat removal?
A. Two phase natural circulation is maintaining heat removal.
B. Single phase natural circulation is maintaining heat removal.
C. All natural circulation has been lost, core uncovers has occurred.
D. All natural circulation has been lost, but the core still remains covered.
A. Two phase natural circulation is maintaining heat removal.
Given the following condition on Unit 1:
-RCS temperature is 300F and slowly lowering.
-RCS pressure is 350 psia and stable.
-The Pressurizer Manway is ON.
-Steam Generators are available for heat removal.
-Train ‘A’ 4kV Bus PBA-S03 is de-energized due to a bus fault.
Subsequently:
-The Train ‘B’ LPSI pump is continuously oscillating between 50 and 60 amps and SDC flow is oscillating between 4200 and 4600 gpm
-The CRS has entered 40EP-9EO11, Lower Mode Functional Recovery, and is addressing HR-2, SDC.
The CRS should direct the RO to (1) and if the SDC flow adjustment is unsuccessful, should direct the RO to (2).
A. (1) lower SDC flow to 3780 gpm (2) secure the ‘B’ LPSI Pump, then GO TO HR-2, Natural Circ.
B. (1) lower SDC flow to 3780 gpm (2) perform Standard Appendix 240, LM-Placing Train B CS on SDC.
C. (1) raise SDC flow to 5000 gpm (2) secure the ‘B’ LPSI Pump, then GO TO HR-3, Natural Circ.
D. (1) raise SDC flow to 5000 gpm (2) perform Standard Appendix 240, LM-Placing Train B CS on SDC
A. (1) lower SDC flow to 3780 gpm (2) secure the ‘B’ LPSI Pump, then GO TO HR-2, Natural Circ.
(First part is plausible if thought that flow lowering to 4200 gpm puts the LPSI Pump in its ‘rumble region’ however lowering flow to the low end of the band is the correct action to take. Second part is plausible since Train ‘B’ power is available and CS Pumps can be used for SDC, however in MODE 4, CS Pumps should not be used for SDC. Additionally, the LMFR procedure does not direct using CS Pumps in in this condition, it directs using natural circulation.)
- Unit 3 is cooling down for a refueling outage.
- Train ‘A’ SDC is in service using the ‘A’ LPSI Pump.
- RCS temperature is 275F and slowly lowering.
- RCS pressure is 225 psia and stable.
Subsequently: - The ‘A’ LPSI Pump seizes due to a loss of lube oil
How will the crew mitigate this event?
A. Place Train ‘B’ SDC in service using the ‘B’ LPSI Pump per 40OP-9SI01, Shutdown Cooling Initiation.
B. Place Train ‘B’ SDC in service using the ‘B’ LPSI Pump per 40EP-9EO11, Lower Mode Functional Recovery.
C. Maintain Train ‘A’ SDC in service using the ‘A’ CS Pump per 40OP-9SI01, Shutdown Cooling Initiation.
D. Maintain Train ‘A’ SDC in service using the ‘A’ CS Pump per 40EP-9EO11, Lower Mode Functional Recovery.
B. Place Train ‘B’ SDC in service using the ‘B’ LPSI Pump per 40EP-9EO11, Lower Mode Functional Recovery.
- Unit 1 is in a refueling outage.
- Tcold is 180F.
- RCS pressure is 150 psia.
- LPSI A is providing Shutdown Cooling flow at 4500 gpm.
- Shutdown Cooling Train B is in standby.
Subsequently: - RCS level is slowly lowering.
- Containment sump alarms are annunciating.
- Makeup sources to the RCS are being aligned.
- LPSI A is now exhibiting flow and amp oscillations every 30 second.
- Which of the following is the correct mitigating procedure?
- What is the first directed action in response to the LPSI pump oscillations?
A. (1) Functional Recovery (2) Reduce SDC flow to 3780 gpm.
B. (1) Functional Recovery (2) Close the B train SDC suction valves.
C. (1) Lower Mode Functional Recovery (2) Reduce SDC flow to 3780 gpm.
D. (1) Lower Mode Functional Recovery (2) Close the B train SDC suction valves.
C. (1) Lower Mode Functional Recovery (2) Reduce SDC flow to 3780 gpm.
Initial Conditions:
- Unit 1 is in Mode 5.
- RCS level is 103 ft 6 inches.
- RCS temperature is 140F.
- LPSI pump B is providing Shutdown Cooling flow at 4500 gpm.
Current Conditions:
- RCS level has slowly dropped to 102 ft 8 inches.
- LPSI pump B amps are oscillating.
- Shutdown Cooling flow is oscillating.
Which ONE of the following actions is directed by the Lower Mode Functional Recovery Procedure?
A. Run LPSI and CS pumps in parallel to lower RCS temperature.
B. Reduce LPSI pump B flow to minimize vortexing at the pump suction.
C. Shift SDC to CS pump B due to its lower suction pressure requirements.
D. Place LPSI pump A in service and vent the B SDC train to remove trapped gases.
B. Reduce LPSI pump B flow to minimize vortexing at the pump suction.
- Unit 1 is in a refueling outage.
- Tcold is 180F.
- RCS pressure is 150 psia.
- LPSI A is providing Shutdown Cooling flow at 3780 gpm.
Subsequently - RCS level is lowering.
- Containment sump alarms are annunciating.
- Shutdown Cooling Lo Flow alarms are annunciating.
- An operator reports that the ‘A’ train LTOP is partially open.
The CRS should implement the (1) procedure, isolate the LTOP and restore Shutdown Cooling flow by placing (2).
A. (1) Loss of Coolant Accident (2) Shutdown Cooling train ‘B’ in service.
B. (1) Loss of Coolant Accident (2) Containment Spray pump ‘A’ in service.
C. (1) Lower Mode Functional Recovery (2) Shutdown Cooling train ‘B’ in service.
D. (1) Lower Mode Functional Recovery (2) Containment Spray pump ‘A’ in service.
C. (1) Lower Mode Functional Recovery (2) Shutdown Cooling train ‘B’ in service.
Unit 1 had been stable in Mode 4 but now the following conditions are observed.
- RCS is at 284F and stable.
- Pressurizer pressure is 250 psia and lowering.
- Pressurizer level is 50% and lowering.
- Containment sump levels are increasing.
- Containment humidity is increasing.
- SG 1 pressure is 55 psia and stable.
- RU-1, Containment Atmosphere is reading.
- 1A and 1B RCPs are running.
- Shutdown cooling is not in service at this time.
- SIA-UV-651, SIC-UV-653, SIB-UV-652 and SID-UV-654 are open.
A __ event is in progress and the CRS is required to enter…
A. LOCA, — 40EP-9EO03 (Loss of Coolant Accident).
B. Dual, — 40EP-9EO09 (Functional Recovery Procedure).
C. SGTR, — 40EP-9EO04 (Steam Generator Tube Rupture).
D. LOCA, — 40EP-9EO11 (Lower Mode Functional Recover).
D. LOCA, — 40EP-9EO11 (Lower Mode Functional Recover).
Given the following conditions on Unit 1.
- RCS temperature is 300F and slowly lowering.
- RCS pressure is 350 psia and stable.
- SDC is in service using Train ‘B’ LPSI.
- The Pressurizer Manway is ON.
- Steam Generators are available for heat removal.
- Train ‘A’ 4kV Bus PBA-S03 is de-energized due to a bus fault.
Subsequently:
- The Train ‘B’ LPSI pump is continuously oscillating between 50 an 60 amps and SDC flow is oscillating between 4200 and 4600 gpm.
- The CRS has entered 40EP-9EO11, Lower Mode Functional Recovery, and is addressing HR-2, SDC
The CRS should direct the RO to (1) and if the SDC flow adjustment is unsuccessful, should direct the RO to (2).
A. (1) lower SDC flow to 3780 gpm (2) secure the ‘B’ LPSI Pump, then GO TO HR-3, Natural Circulation
B. (1) lower SDC flow to 3780 gpm (2) perform Standard Appendix 240, LM - Placing Train B CS on SDC
C. (1) raise SDC flow to 5000 gpm (2) secure the ‘B’ LPSI Pump, then GO TO HR-3, Natural Circulation
D. (1) raise SDC flow to 5000 gpm (2) perform Standard Appendix 240, LM - Placing Train B CS on SDC
A. (1) lower SDC flow to 3780 gpm (2) secure the ‘B’ LPSI Pump, then GO TO HR-3, Natural Circulation
- Unit 1 tripped from 100% power due to an ESD inside Containment.
- On the trip, NBN-X03 ‘A’ ESF Transformer tripped on ground fault lockout.
- The ‘A’ EDG tripped on Low Lube Oil immediately after starting.
- Containment Pressure is 12 psig and rising.
- The ‘B’ LPSI Pump is tagged out for corrective maintenance.
- The ‘B’ CS Pump tripped on overcurrent immediately after starting.
- NCB-UV-401, NCW CNTMT UPSTREAM SPLY ISOL VLV, is closed.
- NCA-UV-402, NCW CNTMT DOWNSTREAM RETURN ISOL VLV, is open.
- NCB-UV-403, NCW CNTM UPSTREAM RETURN ISOL VLV, is closed.
Based on these conditions, the CRS should enter 40EP-9EO09, Functional Recovery, and jeopardize…
NOTE:
MVAC-1 is Offsite Power
CI-1 is Auto/Man CTMT Isolation
CTPC-2 is CS
A. MVAC-1 and CI-1 ONLY
B. CI-1 and CTPC-2 ONLY
C. MVAC-1 and CTPC-2 ONLY
D. MVAC-1, CI-1, and CTPC-2
C. MVAC-1 and CTPC-2 ONLY
(NOTE - CI-1 is plausible since NCA-UV-402 is a containment Isolation Valve, but as long as NCB-UV-403 is closed, CI-1 is met. It’s plausible that CTPC-2 would not be jeopardized since one CS Pump is available and the ‘B’ LPSI Pump is available, however there is no power available to the pump due to the EDG trip.)
- Unit 3 is cooling down for a refueling outage.
- Train ‘A’ SDC is in service using the ‘A’ LPSI Pump.
- RCS temperature is 275F and slowly lowering.
- RCS pressure is 225 psia and stable.
Subsequently: - The ‘A’ LPSI Pump seizes due to a loss of lube oil.
How will the crew mitigate this event?
A. Place Train ‘B’ SDC in service using the ‘B’ LPSI Pump per 40OP-9SI01, Shutdown Cooling Initiation.
B. Place Train ‘B’ SDC in service using the ‘B’ LPSI Pump per 40EP-9EO11, Lower Mode Functional Recovery.
C. Maintain Train ‘A’ SDC in service using the ‘A’ CS Pump per 40OP-9SI01, Shutdown Cooling Initiation.
D. Maintain Train ‘A’ SDC in service using the ‘A’ CS Pump per 40EP-9EO11, Lower Mode Functional Recovery.
B. Place Train ‘B’ SDC in service using the ‘B’ LPSI Pump per 40EP-9EO11, Lower Mode Functional Recovery.
(NOTE - CS cannot be used for SDC in MODE 4.)
- Unit 2 tripped from 100% power due to a loss of offsite power.
- Both EDGs failed and the CRS has just transitioned to 40EP-9EO08, Blackout.
- The ECC reports that an offsite power source should be available in the next 30 minutes.
- The RO reports the following Containment parameters:
- Containment pressure is 2.8 psig and slowly rising.
- Containment temperature is 210F and slowly rising.
Based on these parameters, the CRS should determine that the Containment Temperature and Pressure Control safety function is not met due to Containment (1) and the CRS should (2).
A. (1) pressure ONLY (2) remain in 40EP-9EO08, Blackout, and direct the RO to perform Appendix 53, Align De-energized Buses, in anticipation of the restoration of offsite power.
B. (1) pressure ONLY (2) transition to 40EP-9EO09, Functional Recovery, and take action per MVAC-3, SBOG, to aid in restoring the CTPC safety function.
C. (1) pressure AND temperature (2) remain in 40EP-9EO08, Blackout, and direct the RO to perform Appendix 53, Align De-energized Buses, in anticipation of the restoration of offsite power.
D. (1) pressure AND temperature (2) transition to 40EP-9EO09, Functional Recovery, and take action per MVAC-3, SBOG to aid in restoring the CTPC safety function.
D. (1) pressure AND temperature (2) transition to 40EP-9EO09, Functional Recovery, and take action per MVAC-3, SBOG to aid in restoring the CTPC safety function.
(NOTE - First part is plausible since the SFSC for containment pressure is exceeded; however both pressure and temperature are above their SFSC limits for blackout. Second part is plausible since Appendix 53 would be directed, however transition to the FR is required due to not meeting the CPTC safety function.)
- Unit 1 is tripped from 100% power.
SPTAs are complete with the following conditions: - The ‘A’ ESF Transformer, NBN-X03, has relayed on sudden pressure.
- The ‘A’ EDG tripped on low lube oil.
- RCS pressure is 1550 psia and lowering.
- The ‘B’ HPSI Pump is running with 0 psia discharge pressure.
- RCS Subcooling is 20F superheated and becoming more superheated.
- AFB-P01 has a sheared shaft.
- AFA-P01 tripped on overspeed and cannot be reset.
- SG #1 level is 35% WR and lowering.
- SG #2 level is 40% WR and lowering.
- Containment pressure is 6 psig and rising.
The CRS will enter 40EP-9EO09, Functional Recover, and direct…
A. Energizing PBA-S03 from NBN-X04 per MVAC-1, Offsite Power.
B. Performing Appendix 58, Cross-Tie DG ‘B’ to PBA-S03 per MVAC-2, DGs.
C. Depressurize got the RCS tp <220 psia to initiate LPSI injection per IC-2, SI.
D. Performing Appendix 44, feeding with Condensate Pumps per HR-2, SG with SI.
A. Energizing PBA-S03 from NBN-X04 per MVAC-1, Offsite Power.
(NOTE - Answer B is plausible since ‘B’ EDG is running due to the SIAS and is not loaded since PBB-S04 is still powered from off-site, however MVAC-1 is preferable to MVAC-2.)
- At time = 0100:
- An event occurred requiring entry into 40EP-9EO09, Functional Recovery.
- At time = 0400:
- Unit 1 is in MODE 4, cooling down using Shutdown Cooling.
- 40EP-9EO09, Functional Recovery, is the procedure in use.
- A subsequent event occurred requiring an upgrade to EAL classification.
- At time = 0405, MODE 5 was entered.
- At time = 0410, the event was classified.
The CRS will (1), and the even twill be classified using the (2) Chart.
A. (1) transition to 40EP-9EO11, LMFRP (2) Cold EAL
B. (1) transition to 40EP-9EO11, LMFRP (2) Hot EAL
C. (1) remain in 40EP-9EO09, Functional Recovery (2) Cold EAL
D. (1) remain in 40EP-9EO09, Functional Recovery (2) Hot EAL
D. (1) remain in 40EP-9EO09, Functional Recovery (2) Hot EAL
The Functional Recovery Procedure directs feeding a ruptured and faulted Steam Generator at 1360-1600 gpm.
Which ONE of the following describes the PRIMARY purpose fo this action?
A. Rapidly depressurize the RCS.
B. Rapidly depressurize the affected SG.
C. Reduce the associated radioactive releases.
D. Equalize pressure between the SG and RCS.
C. Reduce the associated radioactive releases.
- Unit 1 is operating at 100% power.
- Diesel Generator ‘B’ is out of service for maintenance.
- Offsite is lost.
- A LOCA occurs and the crew implements 40EP-9EO03, Loss of Coolant Accident.
- RCS pressure and Pressurizer level are dropping rapidly.
- RCS pressure is 1100 psia.
- The RO notes the following indications for HPSI Pump ‘A’.
- 150 AMPS
- Discharge pressure is 1000 psig.
- Discharge flow is 75 gpm per loop.
Based on these indications, there is a (1) and the opening crew should (2) to establish HPSI flow.
A. (1) a sheared shaft on HPSI Pump ‘A’ (2) enter 40EP-9EO09, Functional Recovery, and restore power to PBB-S04.
B. (1) a break in the HPSI Pump ‘A’ discharge header (2) enter 40EP-9EO09, Functional Recovery, and restore power to PBB-S04
C. (1) a sheared shaft on HPSI Pump ‘A’ (2) remain in 40EP-9EO03 and restore power to PBB-S04 using 40AO-9ZZ12, Degraded Electrical Power
D. (1) a break in the HPSI Pump ‘A’ discharge header (2) remain in 40EP-9EO03 and restore power to PBB-S04 using 40AO-9ZZ12, Degraded Electrical Power.
B. (1) a break in the HPSI Pump ‘A’ discharge header (2) enter 40EP-9EO09, Functional Recovery, and restore power to PBB-S04
- Unit 1 has tripped due to a LOCA inside Containment.
- Containment pressure is 9.2 psig and rising.
- Both Containment Spray trains have failed to actuate.
- The CRS has entered 40EP-9EO09, Functional Recovery.
- CTPC-2 is being implemented to supply CS flow using LPSI Pump ‘A’.
Which ONE of the below listed sets of parameters will be monitored to satisfy CPTC-2?
Containment…
A. Humidity and LPSI pump amps.
B. Pressure and LPSI pump amps.
C. Humidity and CS ‘A’ discharge flow transmitter SIA-FI-338.
D. Pressure and CS ‘A’ discharge flow transmitter SIA-FI-338
B. Pressure and LPSI pump amps.
- Unit 1 is in Mode 3 following an automatic Reactor trip.
- A manual SIAS/CIAS has been initiated.
- Pressurizer level is 35% and slowly lowering.
- Pressurizer pressure is 1900 psia and slowly lowering.
- Safety Injection flow is 0 gpm.
- HPSI pump ‘A’ breaker tripped due to a ground fault and 86 lockout.
- DG ‘B’ is running unloaded at 60.1 Hz and 4150 volts
- PBB-S04 normal supply breaker, PBB-S04K, has brighter than normal green light illuminated.
- Containment pressure is 1.5 psig and slowly increasing.
In the current condition Safety Injection flow can be…
A. Established by energizing PBB-S04 with the ‘A’ DG.
B. Verified adequate when RCS pressure lower to approximately 1600 psia.
C. Established by performing an RCS cool down and de-pressurization to below LPSI pump shut-off head.
D. Established by placing ‘B’ DG in override and adjusting it’s output voltage until the minimum voltage requirement is satisfied.
C. Established by performing an RCS cool down and de-pressurization to below LPSI pump shut-off head.
- A Loss of Coolant event is in progress.
- SIAS/CIAS/MSIS have initiated.
- HPSI pump ‘B’, SIB-P01, has faulted and is not available.
- A Loss of Offsite Power occurred on the reactor trip.
- ESK transformer NBN-X03 has a sudden pressure fault.
- PBA-S03, Class 4160 kV bus is de-energized.
- PKA-M41, 125 VDC bus, has faulted and is de-energized.
Adequate Safety Injection flow can be restored by…
A. Aligning the ‘B’ DG per Standard Appendix 58, Cross-Tie DG B to PBA-S03.
B. Aligning the Station Blackout Generators per Standard Appendix 80, SBOG to PBA-S03 (BO).
C. Performing contingency actions of the Standard Post Trip Actions (40EP-9EO01) to restore the ‘A’ DG.
D. Energizing PBA-S03 from NBN-X04 (ESF transformer) per MVAC-1 of the Functional Recovery procedure, 40EP-9EO09.
A. Aligning the ‘B’ DG per Standard Appendix 58, Cross-Tie DG B to PBA-S03.
- Unit 1 tripped from rated power.
- Auxiliary Feedpump ‘B’ is OOS.
- Auxiliary Feedpump ‘A’ overspeed tripped and won’t reset.
- Main Feed Pump ‘A’ tripped due to control oil failure.
- SBCS valve 1004 sticks open and will not close.
- MSIS initiated on low SG pressure.
- SIAS initiated on low PZR pressure.
- PBA-S03 tripped on an 86 Lockout.
- NNN-D16 tripped.
- Both SGs are Dry.
The CRS should implement the (1) procedure and restore a maximum feedwater flow (2).
A. (1) Functional Recovery (2) of 500 gpm to each SG.
B. (1) Loss of all Feedwater (2) of 500 gpm to each SG.
C. (1) Functional Recovery (2) of 1000 gpm to only one SG.
D. (1) Loss of all Feedwater (2) of 1000 gpm to only one SG.
C. (1) Functional Recovery (2) of 1000 gpm to only one SG.
(NOTE - Believe that 1004 stuck open lowered steam generator to 960 for MSIS creating FRP the correct procedure to go to)
- Unit 1 has tripped from rated power.
- Offsite power was lost following the reactor trip.
- DG ‘B’ is under clearance and OOS.
- DG ‘A’ is supplying power to PBA-S03.
- AFA-P01 is feeding each SG at 300 gpm.
- SPTAs have been completed.
- CRS has implemented the Loss of Offsite Power/Loss of Forced Circulation.
- MSIS has been manually actuated.
NOW - Window 1A04A (125 1E CC M41 CHGR A/AC PNL D21 TRBL) is alarming.
- Point ID - PKYS3 125 VDC CC PKA-M41 Bus Undv/Ground/Breaker Trip is in alarm.
- The Reactor Operator reports that the PK ‘A’ bus shows 0 volts.
The CRS Should…
A. Remain in LOOP/LOFC and initiate feedwater flow with AFN-P01 by overriding and opening downcomer isolation valves.
B. Transition to the Loss of All Feed procedure and initiate AFW flow per Standard Appendix 40, Local Operation of AFA-P01.
C. Transition to the Blackout procedure and restore power and feedwater flow by paralleling Blackout Turbine Generators to PBA-S03.
D. Transition to the Functional Recovery procedure and implement the appropriate MVAC appendix to restore power and feedwater flow.
D. Transition to the Functional Recovery procedure and implement the appropriate MVAC appendix to restore power and feedwater flow.
- Unit 1 has experienced a large break LOCA.
- Containment temperature is 270F and INCREASING slowly.
- Containment pressure is 7 psig and INCREASING slowly.
- Containment Spray ‘A’ flow is 3700 gpm.
- 4.16kV Class PBB-S04 has a 86 lockout present due to a ground.
- The CRS enters the LOCA EOP and determines that the Safety Function for ‘Containment Temperature and Pressure Control’ is NOT met.
Which ONE of the following is correct regarding the loss of ‘Containment Temperature and Pressure Control’ Safety Function and the action that is required?
The Containment Temperature and Pressure Control Safety Function, CTPC-1 for the use of Containment Fans is NOT being met due to…
A. High Containment Pressure, Containment Spray header flow should be increased to greater than 3750 gpm to enable CTPC-2 for Containment Spray to be met.
B. High Containment Pressure, Containment Spray header flow should be increased to greater than 4350 gpm to enable CTPC-2 for Containment Spray to be met.
C. High Containment Temperature, Containment Spray header flow should be increased to greater than 4350 gpm to enable CTPC-2 for Containment Spray to be met.
D. High Containment Temperature, Containment Spray header flow should be increased to greater than 3750 gpm to enable CTPC-2 for Containment Spray to be met.
C. High Containment Temperature, Containment Spray header flow should be increased to greater than 4350 gpm to enable CTPC-2 for Containment Spray to be met.
