Tech Spec Flashcards
Per LCO 3.8.3, Diesel Generator Fuel Oil Storage Tank level must be maintained greater than (1) level in order to provide storage for (2) days of continuous 100% rated output operation.
A. (1) 71% (2) 7
B. (1) 80% (2) 7
C. (1) 71% (2) 10
D. (1) 80% (2) 10
B. (1) 80% (2) 7
- Unit 1 is in mode 1
- The ‘A’ Diesel Generator (DG) and Spray Pond pump were removed from service for scheduled maintenance on July 1st.
- The DG quarterly SR 100% date was July 1st.
- Today is July 3rd, all work and required retest of the ‘A’ DG have been completed.
The minimum requirements to declare the ‘A’ DG Operable is that the ‘A’ Spray pond pump be…
A. Functional (only).
B. Operable (only).
C. Functional and the quarterly Diesel SR is completed.
D. Operable and the quarterly Diesel SR is completed.
B. Operable (only).
Unit 1 is operating at rated power.
Which one of the following is an entry level condition for Tech Specs?
A. 610 psig in SIT 1A.
B. 60% Pressurizer Level.
C. 86 Lockout/Trip of the ‘A’ Fuel Pool Cooling Pump.
D. 86 Lockout/Trip of a single DG ‘A’ starting air compressor.
B. 60% Pressurizer Level.
- Unit 1 is in Mode 3.
- NCB-UV-401 failed it’s stroke time Surveillance Test and has been declared INOPERABLE.
Containment Isolation (LCO 3.6.3)…
A. Does not apply in Mode 3.
B. Does not apply, NCB-UV-401 closes on a Containment Spray signal.
C. Can be complied with by closing and tagging NCN-HCV-491 within 4 hours.
D. Can be complied with provided the system remains filled and check valve NCA-V118 remains Operable.
C. Can be complied with by closing and tagging NCN-HCV-491 within 4 hours.
(Note: A check valve is allowed to be used to comply with actions of the LCO as long as flow is secured through the line. Instead of shutting down the entire system, HCV-491 will be closed by a TD in accordance with the ODP and isolation document. See statement: NCBUV401 This TD relies on check valve NCEV118for Containment isolation. Ensure NCNHCV0491 is closed to isolate flow through NCEV118.
- Unit 1 is operating at rated power.
- DG ‘A’ is under clearance and OOS for planned maintenance.
- A low level alarm is received on the ‘B’ Essential Chill water surge tank.
- Chill Water (EC) is isolated to HAB-Z01.
Which one of the following correctly reflects HPSI pump status?
A. HPSI pumps A/B are both Inoperable but functional.
B. HPSI pumps A/B are both Inoperable and non-functional.
C. HPSI pump A is Operable and functional provided offsite power is available to PBA-S03.
D. HPSI pump B is Operable and functional provided room temperature is maintained <104F.
A. HPSI pumps A/B are both Inoperable but functional.
(Note: Operable - A system, subsystem, train, component, or device shall be OPERABLE or have OPERABILITY when its capable of performing its specified safety function(s) and when all necessary attendant instrumentation, controls, normal or emergency electrical power, cooling and seal water, lubrication, and other auxiliary equipment that are required for the system, subsystem, train, component, or device to perform its specified safety function(s) are also capable of performing their related support function(s). )
- Unit 1 is operating at rated power.
- Diesel Generator ‘A’ monthly Surveillance Testing is in progress.
- Diesel Generator ‘A’ trips during the Cool-down cycle.
- Diesel Generator ‘A’ is declared Inoperable.
Which one of the following Tech Spec actions must be completed within one hour?
A. Restore DG ‘A’ to Operable status.
B. Determine that DG ‘B’ is not Inoperable due to a common cause failure.
C. Verify correct breaker alignment and indicated power availability for two offsite power circuits.
D. Declare required feature(s) supported by the Inoperable DG Inoperable when its redundant required feature(s) in inoperable.
C. Verify correct breaker alignment and indicated power availability for two offsite power circuits.
- Unit 3 is operating at rated power.
- Regulating group 5 CEAs are inserted to 115 inches for ASI control.
- CEA 17 (group 5) begins withdrawing with no Operator action.
- The crew has placed CEDMCS in Standby.
- CEA motion has stopped.
Which one of the following represents the maximum acceptable CEA deviation and why?
A. Any uncontrolled outward deviation requires an immediate reactor trip due to the potential loss of Shutdown Margin.
B. 5.25 inches to ensure acceptable core power distributions are maintained.
C. 6.6 inches to ensure acceptable core power distributions are maintained.
D. 9.9 inches to ensure Shutdown Margin is maintained.
C. 6.6 inches to ensure acceptable core power distributions are maintained.
Pressurizer Safety Valves are designed to maintain the Reactor Coolant System less than or equal to (1) psia and Core Protection Calculators are designed to prevent the Reactor Coolant System from exceeding a Departure from Nucleate Boiling Ratio (DNBR) of less than or equal to (2).
A. (1) 2500 (2) 1.30
B. (1) 2500 (2) 1.34
C. (1) 2750 (2) 1.30
D. (1) 2750 (2) 1.34
D. (1) 2750 (2) 1.34
- Unit 2 is operating at 100% power.
- The ‘C’ class inverter, PNC-N13, is being removed from service for scheduled maintenance.
- The ‘C’ class instrument bus has been transferred to the Voltage Regulator, PNV-V27.
What impact (if any) does this maintenance have on LCO 3.8.7, Inverters-Operating? LCO is provided.
A. Immediate entry into LCO 3.8.7 is required.
B. No impact, this LCO applies to the class ‘A & B’ train inverters only.
C. No entry into LCO 3.8.7 is required as long as the ‘C’ instruments bus remains energized by PNC-V27.
D. Entry into LCO 3.8.7 may be delayed up to 24 hours provided that the ‘C’ instrument bus remains energized by PNC-V27.
A. Immediate entry into LCO 3.8.7 is required.
(Note: The inverter is required to be powered from the PK battery and connected to the PN bus to be operable. The PN bus remains operable as long as it’s powered from the inverter or voltage regulator and falls under 3.8.9.
OPERBABLE inverters require the associated AC vital instrument bus to be powered by the inverter with output voltage and frequency within tolerances, and power input to the inverters from a 125 VDC station batter.
OPERABLE DC electrical power distribution subsystems require the associated buses to be energized to their proper voltage from either the associated batter or charger. OPERABLE AC vital instrument bus electrical power distribution subsystems require the associated buses to be energized to their proper voltage from the associated inverter via inverted DC voltage, or Class 1E constant voltage regulator.)
Which one of the following would require entry into a one hour or less LCO conditions while in Mode 1, steady state conditions?
A. Pressurizer level is 57%.
B. Reactor Coolant system T-cold is 540F.
C. An 86 lockout of SIA-P01, High Pressure Safety Injection pump ‘A’.
D. WCB-UV-63, chill water supply header outside cntmt isolation valve, has failed it’s stroke time surveillance test.
B. Reactor Coolant system T-cold is 540F.
- 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’ 6” and slowly lowering.
What is current status of (1) LCO 3.7.14, Fuel Storage Pool Water Level (2) Spent Fuel Pool Cooling (3) and which procedure should be implemented to correct this condition?
A. (1) Entry into LCO 3.7.14 is not required (2) SFP cooling must be secured at this level (3) 40AO-9ZZ23, Loss of SFP Level or Cooling.
B. (1) Entry into LCO 3.7.14 is required (2) SFP cooling can remain in operation at this level (3) 40AO-9ZZ23, Loss of SFP Level or Cooling.
C. (1) Entry into LCO 3.7.14 is required (2) SFP cooling must be secured at this level (3) 40EP-9EO11, Lower Mode Functional Recovery Procedure.
D. (1) Entry into LCO 3.7.14 is not required (2) SFP cooling can remain in operation at this level (3) 40EP-9EO11, Lower Mode Functional Recovery Procedure.
B. (1) Entry into LCO 3.7.14 is required (2) SFP cooling can remain in operation at this level (3) 40AO-9ZZ23, Loss of SFP Level or Cooling.
Unit 1 is operating at rated power with following Safety Injection Tank (SIT) parameters:
- 1A 592 psig, 45% NR, 4005 PPM
- 1B 605 psig, 32% NR, 4210 PPM
- 2A 610 psig, 50% NR, 3925 PPM
- 2B 615 psig, 20% NR, 4100 PPM
Which one of the following describes the operability status of the Safety Injection Tanks?
A. Only 1A is Inoperable.
B. Only 2A is Inoperable.
C. 1A and 2B are Inoperable.
D. 1A, 2A and 2B are Inoperable.
C. 1A and 2B are Inoperable.
- Unit 1 is operating at 100% power.
- East and West switchyard voltage dropped to 516kV.
- East and West Bus switchyard Low-Low voltage alarms are locked in.
Which ONE of the following auto/manual action(s) is taken at this time to protect Engineered Safety Function (ESF) equipment from a ‘double sequencing’ event?
A. Water Reclamation Facility Supply breakers will trip open.
B. Start both DGs and maintain them paralleled with offsite power.
C. Bock the NAN-S01/S02 to NAN-S03/S04 fans bust transfer capability.
D. Ensure that the Main Generator’s gross MVAR output is greater than zero.
C. Bock the NAN-S01/S02 to NAN-S03/S04 fans bust transfer capability.
- Refueling pool level is 137’6” (>23 ft above the vessel flange).
- Core RE-LOAD is in progress.
- An irradiated fuel assembly is grappled and in the hoist box.
- Train ‘B’ is under clearance for maintenance.
- Train ‘A’ LPSI pump is gas bound.
Which ONE of the following complies with Technical Specifications 3.9.4 (Shutdown Cooling (SDC) and Coolant Circulation - High Water Level) required actions?
A. Core re-load may continue.
B. Immediately stop core re-load, leave the fuel assembly in the hoist box.
C. Complete placing the fuel assembly in its designated core location, then suspend core re-load.
D. Immediately stop core re-load until you have verification that all activities that could result in boron dilution have been suspended.
B. Immediately stop core re-load, leave the fuel assembly in the hoist box.
- Unit 1 is in Mode 6.
- Fuel movement is in progress.
- It is discovered that both channels of CREFAS (RU-29 and RU-30) are INOPERABLE.
Which of the following is the MINIMUM actions required to comply with Tech Spec 3.3.9, Control Room Essential Actuation Signal?
A. Immediately place one train of CREFS in operation OR suspend movement of irradiated fuel assemblies, positive reactivity additions and core alterations.
B. Immediately place one train of CREFS in operation AND suspend movement of irradiated fuel assemblies, positive reactivity additions and core alterations.
C. Within 1 hour place one train of CREFS in operation OR suspend movement of irradiated fuel assemblies, positive reactivity additions and core alterations.
D. Within 1 hour place one train of CREFS in operation AND suspend movement of irradiated fuel assemblies, positive reactivity additions and core alterations.
A. Immediately place one train of CREFS in operation OR suspend movement of irradiated fuel assemblies, positive reactivity additions and core alterations.
- Unit 1 is in Mode 5 coming out of an outage.
Which ONE of the following describes entry into Mode 4 from Mode 5 occurs?
A. 210F
B. 250 psia
C. 350F
D. 385 psia
A. 210F
- Unit 1 is MODE 4.
- An Inservice Test is being performed on containment penetration isolation valves using 73ST-9XI23, CP, EW, IA, and NC Valves - Inservice Test.
- The Close Stroke Time is slower than the Tech Spec Acceptance Criteria.
For this test, the valve stroke time is measured from hand-switch operation to when the (1) AND the crew must apply the requirements of LCO (2).
A. (1) green light is ON. (2) 3.9.3, Containment Penetrations.
B. (1) green light is ON. (2) 3.6.3, Containment Isolation Valves.
C. (1) red light goes OUT. (2) 3.9.3, Containment Penetrations.
D. (1) red light goes OUT. (2) 3.6.3, Containment Isolation Valves.
D. (1) red light goes OUT. (2) 3.6.3, Containment Isolation Valves.
- Containment Building Normal ACU Fans A01A and A01C are running.
- Containment Building Normal ACU Fans A01B and A01D control switches are in Normal After Stop.
- Fan A01A trips.
Two minutes after the A01A fan trips, fans (1) will be running to help maintain Containment Air Temperature within the Technical Specifications 3.6.5 limit of _(2)_F.
A. (1) A01B and A01D. (2) 117.
B. (1) A01B and A01D. (2) 170.
C. (1) A01B and A01C. (2) 117.
D. (1) A01B and A01C. (2) 170.
C. (1) A01B and A01C. (2) 117.
Note: CAR Fans are on 60 sec. and CEDM are 120 sec.
With regards to the (EW) Essential Cooling Water system in mode 1, which of the following is the correct application of Tech Specs?
(1) When cross connected to the Nuclear Cooling Water (NCW) system, EW is INOPERABLE…
(2) When cross connected to the Fuel Pool Cooling, EW is INOPERABLE…
A. (1) and remains inoperable while cross connected. (2) and remains inoperable while cross connected.
B. (1) and remains inoperable while cross connected. (2) but operability can be restored if a flow balance is performed because the EW system is sized to supply the SDC heat exchanger, Essential Chiller and the SFP heat exchanger.
C. (1) but operability can be restored if a flow balance is performed because the EW system is sized to supply the NCW priority loads and the SDC heat exchanger. (2) and remains inoperable while cross connected.
D. (1) but operability can be restored if a flow balance is performed because the EW system is sized to supply the NCW priority loads and the SDC heat exchanger. (2) but operability can be restored if a flow balance is performed because the EW system is sized to supply the SDC heat exchanger, Essential Chiller and the SFP heat exchanger.
B. (1) and remains inoperable while cross connected. (2) but operability can be restored if a flow balance is performed because the EW system is sized to supply the SDC heat exchanger, Essential Chiller and the SFP heat exchanger.
- Units 1-3 all operating at 100% power.
- Unit 2 has DG ‘A’ out of service for scheduled maintenance.
Subsequently - Startup transformer NAN-X01 faults and is de-energized.
Refer to the provided Tech Spec to determine which ONE of the following is the correct application of the LCO 3.8.1.
Unit - (1)
Unit - (2)
Unit - (3)
A. (1) enters condition C only. (2) enters conditions A and B only. (3) no condition entry is required.
B. (1) no condition entry is required. (2) enters conditions A and B only. (3) no condition entry is required.
C. (1) enters condition C only. (2) enters condition D as well as LCO 3.8.9 to a de-energized AC bus only. (3) enters condition A only.
D. (1) no condition entry is required. (2) enters condition D as well as LCO 3.8.9 due to a de-energized AC bus only. (3) enters Condition A only.
D. (1) no condition entry is required. (2) enters condition D as well as LCO 3.8.9 due to a de-energized AC bus only. (3) enters Condition A only.