AOPs Flashcards
- 0POP04-FH-0001 Fuel Handling Accident*
- *
After a fuel handling accident, how long does an operator have to place a train of CRE HVAC in emergency mode?
2 hrs
- 0POP04-FW-0001 Loss of SG Level Control*
- *
How long can a SGFPT be operated at 5500 - 5600 RPM?
1 hr maximum
Individual SGFP flow shall be greater than 11,000 gpm
- D/P across impeller will not be above design.
- 0POP04-ZO-0005 Chemical Spills / Toxic Gas Release*
- *
What is an unauthorized discharge of oil?
Harmful quantity of oil from site into coastal waters or threatens to enter coastal waters within 12 hrs.
Harmful quanity of oil is sufficient to create a visible film / sheen or cause sludge buildup beneath the water
Note:
Discharge into Main Cooling Reservoir does NOT constitute an unauthorized discharge
- 0POP04-AE-0001 Loss of AC Power*
- *
If power is lost to all ESF busses, then an operator must be sent to shed the Channel I sequencer. How long does the operator have to perform this action?
30 mins
- 0POP04-CR-0001 Loss of Condenser Vacuum*
- *
What are the important values of main condenser vacuum? (i.e. alarms, actuations, ect.)
- 26” Hg:*
- *Condenser Vacuum Low Alarm (≤ 80% power)**
Standby CARS pump starts
- 24” Hg:*
- *Condenser Vacuum Low Alarm (> 80 power)**
- 22” Hg:*
- *C-9**
- 21” Hg:*
- *Main Turbine Trip**
- 0POP04-DC-0001 Loss of 250VDC Power*
- *
If power is lost to the 250VDC switchboard, the turbine trips, and a LOOP occurs at the same time, what must the operator do?
Depressurize the MG within 2 hrs
- 0POP04-CR-0001 Loss of Condenser Vacuum*
- *
What must be done if main turbine vacuum is < 21” Hg?
Ensure Rx Tripped
Ensure Turbine Tripped
Perform 0POP05-EO-EO00
- 0POP04-NI-0001 Nuclear Instrumentation Malfunction*
- *
What must the operator do if only 1 Source Range / Extended Range NI is OPERABLE?
Suspend Core Alterations
Suspend Operations that would dilute RCS < LCO 3.9.1
Borate to .95 Keff
- 0POP04-CC-0002 Loss of CCW*
- *
What must RCS temperature be less than in order to run the RHR pumps without seal cooling?
< 120 ˚F
- 0POP04-NI-0001 Nuclear Instrumentation Malfunction*
- *
What are your actions if the plant is in MODES 3-5 and both extended range NIs are lost?
Suspend positive reactivity changes [Immediately]
Isolate unborated water paths from RMW system to RCS [15 mins]
Restore 1 channel to OPERABLE [1 hr]
OR
Secure unborated water sources [2 hrs]
AND
Verify SDM [4 hrs and 12 hrs after]
- 0POP04-ZO-0008 Fire/Explosion*
- *
When a fire or explosion occurs in the switchyard, when can plant personnel enter the switchyard?
Once Centerpoint Energy arrives and assesses the damage
- 0POP04-FW-0002 SGFP Trip*
- *
Operation in what power levels is not permitted with > 1 GV out of service?
20 - 75% Power
Could result in rotor damage due to Double Shock Condition.
- 0POP04-RP-0001 Loss of Automatic PZR Pressure Control*
- *
What must be done if the PZR spray valves fail to close?
- Initially:*
- *Ensure all PZR heaters energized**
Monitor PZR pressure
- Continues to lower:*
- *Ensure Rx Tripped**
Ensure Turbine Tripped
Stop RCP 1A
Stop RCP 1D
If it continues to lower stop all but 1 RCP
Perform 0POP05-EO-EO00
- 0POP04-RH-0001 Loss of RHR*
- *
What must Hot Leg level be in order to start a RHR pump?
- *> +6 Inches**
- Maintain +8 to +11 Inches*
- ≥ -3 Inches: Level is restored with a CCP.
- < -3 Inches: Level is restored with a LHSI.
- 0POP04-AN-0001 Loss of Control Room Annunciator Alarms*
- *
What will the operator do, with regards to Rx Power, during a loss of all control room annunciators?
Do not downpower unless required by Tech Specs
- 0POP04-AE-0001 Loss of AC Power*
- *
If a Class 1E battery is realigned to an operating battery charger in ≤ 15 min AND ≤ 1 battery cell is jumpered, then what must be done to declare it OPERABLE?
Verify Operating Battery Charger normal float voltage ≥ 128.5 VDC
Note:
A Class 1E battery is INOPERABLE anytime it is NOT aligned to an operating battery charger.
- 0POP04-CC-0002 Loss of CCW*
- *
What must be done if all CCW is secured and cannot be restarted?
Trip Reactor
Trip Turbine
- *Trip RCPs**
- Within 1 minute*
Perform 0POP05-EO-EO00
Will also start the PDP and secure CCPs later on in the procedure.
- PDP is less susceptible to damage than CCPs for a loss of CCW.
- 0POP04-FH-0001 Fuel Handling Accident*
- *
If damage occurs to an irradiated fuel assembly during a fuel handling accident, what is the potential emergency classification?
Alert
- 0POP04-AE-0004 Loss of power to ≥ 1 4.16 kV ESF Busses*
- *
What is the load restriction on each winding of the emergency transformer?
2762 KW / winding
- Used in the event of LOOP w/ LOCA.
- Aids in keeping ESF bus > 4.0 kV
Note:
If only 1 ESF bus is available and it will be loaded on emergency transformer, then load limit is N/A but must maintain > 4.0 kV on ESF bus.
- 0POP04-RC-0002 RCP Off Normal*
- *
What RCP Case and Shaft Vibrations would require the operator to trip the RCP?
Case Vibration:
≥ 5 mils
≥ 3 mils and rising ≥ 0.2 mils/hr
- Shaft Vibration:*
- *≥ 20 mils**
- *≥ 15 mils and rising ≥ 1 mils/hr**
- Ensure Rx Tripped
- Ensure Turbine Tripped
- Stop affected RCPs
- Perform 0POP05-EO-EO00
- 0POP04-AE-0001 Loss of AC Power*
- *
What 13.8kV / 4.16 kV busses does 0POP04-AE-0001 NOT cover?
1K
1L
1M
- 0POP04-AE-0001 Loss of AC Power*
- *
What must the operator do if power is lost to a RCP while in MODES 1-2?
Trip the Rx
Perform 0POP05-EO-EO00
CIP requires operator to trip the Rx even if power below P-8.
- 0POP04-CR-0001 Loss of Condenser Vacuum*
- *
Step 2 in 0POP04-CR-0001 has you check the proper number of CW pumps are running. What determines the proper number of CW pumps?
- CW Inlet Temperature > 69 ˚F:*
- *4 CW Pumps**
- CW Inlet Temperature ≤ 69 ˚F:*
- *3 CW Pumps**
- *Condenser ∆T ≥ 25 ˚F indicates insufficient CW Flow**
- Normally ≈ 20 ˚F*
2 CW Pump operation is only acceptable when starting or securing CW.
If 2 CW pump operation is required in MODES 1-2:
- Requires Plant Management Approval
- Must maintain discharge pressure on both CW pumps (≥ 3 psig)
- 0POP04-CV-0003 Emergency Boration*
- *
What flowrate must be maintained when emergency borating with the CCP?
≥ 50 gpm
- CCP: 50 gpm
- Gravity Feed: 50 gpm
- RWST: 190 gpm
Note:
50 gpm is chosen b/c 30 gpm is required by tech specs and 20 gpm is for seals
- 0POP04-ZO-0005 Chemical Spills / Toxic Gas Release*
- *
How long does the operator have to inform the NRC if a toxic or flammable gas release is occuring within the site boundary or affecting the site?
1 Hour
Must also notify the Texas General Land Office (GLO) within 1 Hour.
- 0POP04-RS-0001 Control Rod Malfunction*
- *
What are your actions if ≥ 2 shutdown rods are not fully withdrawn?
LCO 3.0.3
- 0POP04-RC-0004 SG Tube Leakage*
- *
What must the operator do if the intact or affected SG’s level cannot be maintained > 20% SGNR level?
Ensure Rx Tripped
Initiate SI
Perform 0POP05-EO-EO00
- 0POP04-RC-0002 RCP Off Normal*
- *
What RCP Motor Stator Winding temperature would require the operator to trip the RCP?
≥ 310 ˚F
- Ensure Rx Tripped
- Ensure Turbine Tripped
- Stop affected RCPs
- Perform 0POP05-EO-EO00
- 0POP04-ZO-0001 Control Room Evacuation*
- *
If the primary RO has evacuated to the ASP and he notices the Rx is not tripped, how does he trip the Rx?
Dispatch operator to open Rx trip breakers locally and secure RDMG sets
- 0POP04-CV-0003 Emergency Boration*
- *
What control room annunciators will require the operator to emergency borate?
- *BANK INSERT LO-LO**
- 5M03 E-4*
- *QDPS ALARM S/D MONITOR**
- 4M08 A-5*
- 0POP04-RS-0001 Control Rod Malfunction*
- *
What conditions require a Rx trip in 0POP04-RS-0001 Control Rod Malfunction?
Rods in Manual w/ continued rod motion
More than 1 rod dropped
S/D required but malfunction prevents controlled S/D
- 0POP04-FW-0002 SGFP Trip*
- *
What must the operator do if Rx Power is ≥ 5% and SGNR Water Level cannot be maintained < 87.5%?
Trip Rx
Perform 0POP05-EO-EO00
- 0POP04-RH-0001 Loss of RHR*
- *
What must be done if in Cold leg injection is occuring and CETs read > 200 ˚F?
Shift to HL Injection
OR
Start another LHSI pump
- 0POP04-ZO-0001 Control Room Evacuation*
- *
Where do plant personnel go once the MCR is evacuated?
ASP:
SM
Primary RO
- ESF Train A:*
- *Secondary RO**
- ESF Train B:*
- *Unit Supervisor**
- ESF DGs / ESF Train C:*
- *MAB Safe S/D**
- Goes to each ESF DG 1st*
- ECW / RCP breakers:*
- *TG Safe S/D**
- 0POP04-CV-0003 Emergency Boration*
- *
What must be done if excess letdown is aligned to the CCP suction and it is desired to use the RWST or gravity to emergency borate?
Align excess letdown to VCT
Since Excess Letdown may be of a higher pressure than the boration flowpath from the BAT using Gravity Feed or using the RWST, it is necessary to ensure that Excess Letdown is aligned to the VCT rather than the charging pump suction.
- 0POP04-NI-0001 Nuclear Instrumentation Malfunction*
- *
What are your actions if a SR detector fails when power is < P-6 (1x10-10 IR amps)
- Failed High:*
- *Ensure Rx Tripped**
Go To 0POP05-EO-EO00
- Failed Low:*
- *Suspend positive reactivity changes**
- 0POP04-RC-0004 SG Tube Leakage*
- *
What must the operator do if PZR level reaches 17% and PZR level is still lowering?
Ensure Rx Tripped
Initiate SI
Perform 0POP05-EO-EO00
Must also take actions if:
- VCT Level cannot be maintained > 15% with CCP suction aligned to VCT.
- RCS leakrate exceeds 200 gpm and PZR level is lowering
- 0POP04-RH-0001 Loss of RHR*
- *
What are the different ways an operator can restore RCS inventory to +8 - +11 during a loss of RHR?
Gravity Drain RWST through idle LHSI pump in idle RHR train
CCP through normal charging or seals
LHSI pump
- 0POP04-AE-0007 Loss of all AC while on S/D Cooling*
- *
What must SG pressure be in order to use the TDAFW pump?
> 150 psig
- 0POP04-FW-0002 SGFP Trip*
- *
What must the operator do if > 85% Rx Power and < 2 FWBPs are available?
Trip Rx
Perform 0POP05-EO-EO00
- 0POP04-AE-0007 Loss of all AC while on S/D Cooling*
- *
What are the criteria to verify natural circulation?
SG Pressures - Stable or Lowering
RCS Hot Leg Temp - Stable or Lowering
CETs - Stable or Lowering
RCS Cold Leg Temp - Saturation Temp of SG Pressure
- 0POP04-FH-0001 Fuel Handling Accident*
- *
What must be done if an irradiated fuel assembly becomes stuck in the fuel transfer tube?
Perform POP02 to initiate emergency cooling of fuel transfer tube
- 0POP04-NI-0001 Nuclear Instrumentation Malfunction*
- *
If the plant is in MODES 1-2 and we lose 1 Intermediate range NI, what are our actions?
Below P-6:
Restore to OPERABLE before exceeding P-6
Above P-6 but below P-10:
Restore to OPERABLE before exceeding P-10
- 0POP04-RS-0001 Control Rod Malfunction*
- *
If a control rod has been misaligned for ≥ 8 hrs, what rod speed are you limited to when recovering the rod?
10 steps / hr
- 0POP04-FW-0001 Loss of SG Level Control*
- *
What must be done if SGNR level cannot be maintained < 87.5% SGNR?
- ≥ 5% Rx Power:*
- *Trip Rx**
Go to 0POP05-EO-EO00
- < 5% Rx Power:*
- *Reduce power to < 3% Rx Power**
Ensure MFRV isolated
Transition to LPFRVs, Preheater bypass Valves, or AFW
- Note:*
- We put a guardrail of 85% and 22% on SGWL.*
- 0POP04-ZO-0001 Control Room Evacuation*
- *
What are the 9 things that must be done in the control room before it is evacuated?
- Time 0 s:*
- *Secondary RO makes announcement**
- *Primary RO Trips the Rx**
- Verify Flux lowering*
- Time 30 s:*
- *Main Steam Isolation**
- Time 60 s:*
- *Close PZR PORV block valves**
- Time 120 s:*
- *Trip RCPs**
- *Close FWIVs**
- Safety related switches*
Take SU SGFP in PTL
- *Isolate letdown**
- FV-0011 / MOV-0465*
Take CCP to PTL
- 0POP04-RC-0002 RCP Off Normal*
- *
What must be done if a RCP thrust bearing temperature exceeds 195 ˚F?
Must Validate High Temperature
Motor Current
All Upper / Lower Thrust Bearing Temps Rising
RCP Oil RSVR HI/LO
RCP Oil RSVR CCW Outlet Temp > 7 ˚F above inservice CCW Header Temp
- If Validated:*
- *Trip Rx**
Trip Turbine
Trip affected RCPs
Perform EO00
- 0POP04-RC-0002 RCP Off Normal*
- *
What RCP Motor Upper / Lower Radial Bearing temperature would require the operator to trip the RCP?
≥ 195 ˚F
- Ensure Rx Tripped
- Ensure Turbine Tripped
- Stop affected RCPs
- Perform 0POP05-EO-EO00
- 0POP04-RP-0001 Loss of Automatic PZR Pressure Control*
- *
What is your immediate action if any PZR pressure channel fails high?
Position the PZR pressure control selector switch to remove failed channel from control
- 0POP04-CC-0002 Loss of CCW*
- *
With letdown, low pressure letdown, and excess letdown secured, PZR level will continue to rise with the PDP in operation. How is PZR level maintained between 85% - 90% in a complete loss of CCW?
Opening and closing the Rx Vessel Head Vent Isolation Valves.
Applies to 0POP04-EW-0001 Loss of ECW too.
- 0POP04-AE-0001 Loss of AC Power*
- *
What must be done if operation of a SG PORV is required and it’s associated ESF bus is deenergized?
Take Manual Control of SG PORV
Hold Down arrow for ≥ 20 Sec
Place station blackout bypass switch in bypass
- 0POP04-FC-0001 Loss of SFP Level or Cooling*
- *
If cooling to the SFP is lost and cannot be restored, what must be done?
Place 1 FHB HVAC exhaust filter train in service
Take Temp logs on SFP Boron Concentration, Level, and Temperature
Minimizes radioactive release to environment as SFP heats up and radioactive materials come out of the SFP.
- 0POP04-CC-0001 CCW System Leak*
- *
What must the operator do if CCW surge tank compartment level is < 56%?
Ensure RHR pump for unaffected CCW train in service
Ensure associated RHR train secured
Ensure associated CCW pump in PTL
- 0POP04-FW-0002 SGFP Trip*
- *
What must the operator do if Rx Power is < 5 % and SGNR level cannot be maintained < 87.5 %?
Ensure MFW to affected SG isolated
Reduce power to < 3%
Place AFW inservice
- 0POP04-DC-0001 Loss of 250VDC Power*
- *
If the 250VDC switchboard is lost and a turbine trip occurs, then how does an operator isolate the main generator electrically?
Open Y510 (Y590) and Y520 (Y600)
If you want the aux tranformer back, must dispatch operator to open the MG phases locally.
- 0POP04-FW-0001 Loss of SG Level Control*
- *
What are your immediate actions per 0POP04-FW-0001 Loss of SG Level Control?
- *Check FRVs / LPFRVs responding in Auto**
- If not take to manual and adjust SG WL to 68% - 74%*
- *Check SGFP speed controllers responding in Auto**
- Place Master / Individual SGFP speed controllers in manual and adjust SG WL to 68% - 74%*
- 0POP04-FH-0001 Fuel Handling Accident*
- *
What must be done if a fuel handling accident occurs in the RCB and the equipment hatch is open?
Restrict access to equipment hatch platform
Close Equipment Hatch
Replace equipment hatch concrete shield
- 0POP04-ZO-0008 Fire/Explosion*
- *
What conditions must exist before the operator actuates RCB sprinklers?
2nd cable tray line detector in same RCB quadrant alarms
Report of fire in RCB from fire brigade inside RCB
- 0POP04-EW-0001 Loss of ECW*
- *
What must be done on a complete loss of ECW?
Trip Reactor
Place any running ESF DG in Pull-to-stop
Trip RCPs
Perform 0POP05-EO-EO00
- 0POP04-AE-0005 Offsite Power System Degraded Voltage*
- *
What voltage on the north AND south bus would cause you to enter 0POP04-AE-0005 Offsite power system degraded voltage?
339 kV
- 0POP04-NI-0001 Nuclear Instrumentation Malfunction*
- *
What are the operator immediate actions if the power range NIs are not functioning properly?
Place Rods in Manual
- *Place LPFRVs in Manual**
- If being used to feed SG*
Control SGWL between 68% - 74%
- 0POP04-ZO-0005 Chemical Spills / Toxic Gas Release*
- *
Who is normally the spill response coordinator?
On-Duty Fire Brigade Team Leader
- 0POP04-CC-0001 CCW System Leak*
- *
What must the operator do once CCW surge tank level lowers to 61.5% and a common header isolation has occurred?
Ensure Rx Tripped
Ensure RCPs Tripped
Go to 0POP05-EO-EO00
- 0POP04-AE-0005 Offsite Power System Degraded Voltage*
- *
How long does the TDSP have to inform STP that he has lost the ability assess the OPERABILITY of the electric grid?
30 Mins
Should treat this as a low voltage condition and enter 0POP04-AE-0005 Offsite Power System Degraded Voltage.
- 0POP04-CV-0003 Emergency Boration*
- *
How long do we emergency borate?
- MODES 1-2:*
- *Bank Insert Lo-Lo clears**
- MODES 3-5:*
- *SDM of LCO 3.1.1.1 satisfied**
- 0POP04-RS-0001 Control Rod Malfunction*
- *
Does opening a lift coil disconnect switch to recover a dropped rod make that rod inoperable?
No
Rod has to be trippable to be considered OPERABLE. Being movable is not required.
- 0POP04-RP-0002 Loss of Automatic PZR Level Control*
- *
What must the operator do if PZR level is > 70% and FCV-0205 is not controlling?
Close Charging OCIV MOV-0025
OR
Close Charging Loop A / C Isolations
(MOV-0003/MOV-0006)
- 0POP04-RC-0002 RCP Off Normal*
- *
What RCP Lower Seal Water Bearing or Seal #1 Inlet temperature would require the operator to trip the RCP?
≥ 230 ˚F
- Ensure Rx Tripped
- Ensure Turbine Tripped
- Stop affected RCPs
- Perform 0POP05-EO-EO00
- 0POP04-ZO-0008 Fire/Explosion*
- *
How long does the operator have to inform the NRC if security must be pulled away from their post and it is NOT weather related?
1 hour
Applies to all safeguards security measures.
- 0POP04-CR-0001 Loss of Condenser Vacuum*
- *
How long can condenser vacuum be in the restrictive zone before the operator must trip the unit?
5 mins
- 0POP04-RP-0001 Loss of Automatic PZR Pressure Control*
- *
What is your immediate action if any PZR pressure channel fails low?
Place PZR Pressure Controller in manual
Position the PZR pressure control selector switch to remove failed channel from control
- 0POP04-ZO-0008 Fire/Explosion*
- *
What additional areas outside the PA are considered inside the PA with regards to fire fighting?
Circulating Water Intake Structure
Switchyard
- 0POP04-FW-0002 SGFP Trip*
- *
What are the operator immediate actions for 0POP04-FW-0002 SG Feed Pump Trip?
Check Required number of SGFPs running
RNO:
- Ensure SU SGFP running*
- Start Standby booster pump*
- If SU SGFP trips or SGFPT trips w/ SU SGFP running, then if idle (3300 RPM) SGFPT available, ramp up speed*
- *Check SGFP Master Speed Controller**
- Operable in Auto, PT-557, PT-558, controlling steam flow*
RNO:
- Place SGFP Master Speed Controller in Manual and adjust*
- If not operable in auto/manual then control with individual controllers*
- 0POP04-AE-0001 Loss of AC Power*
- *
If power is lost to ESF Train A or Train C AND their associated batteries have ≥ 1 cells jumpered, what must the operators do?
Shed Loads on DP-1201 (Train A) or DP-1204 (Train C) within 30 mins
- 0POP04-RC-0002 RCP Off Normal*
- *
What RCP #1 Seal leakoff flow would require the operator to trip the RCP?
> 6 gpm
- Ensure Rx Tripped
- Ensure Turbine Tripped
- Stop affected RCPs
- Perform 0POP05-EO-EO00
- Close affected RCP Number 1 Seal leakoff isolation valve between 3 to 5 minutes after stopping RCP.
- 0POP04-NI-0001 Nuclear Instrumentation Malfunction*
- *
If a power range NI fails, the operator must check that P-7, P-8, P-9, and P-10 are in their correct state within 1 hr. If they are not in their correct state, what must the operator do?
Enter LCO 3.0.3
- 0POP04-RS-0001 Control Rod Malfunction*
- *
What are your immediate actions for 0POP04-RS-0001 Control Rod Malfunction?
Take Rods to Manual
- *Verify No Rod Motion**
- RNO: Trip Rx , Go to EO*
- *Verify ≤ 1 Rod Dropped**
- RNO: Trip Rx, Go to EO*
- 0POP04-ZO-0001 Control Room Evacuation*
- *
What are the time sensitive actions in 0POP04-ZO-0001 Control Room Evacuation?
0 sec:
Plant Announcement
Rx Tripped
- ≤ 30 sec:*
- *MSL isolation**
- ≤ 60 sec:*
- *PZR Porv block valves closed**
≤ 120 sec:
RCPs tripped
FWIV closed
SU SGFP in PTL
Letdown Isolation
CCPs in PTL
≤ 10 mins:
ESF A/B/C Switchgear transferred to ASP
ECW transferred to ASP
Terry Turbine transferred to ASP
≤ 15 mins: (Drop Dead Time)***
Communication established with ASP
Step 14.0 complete
19.8 mins:
Rx Head vent valves verified shut (ASP)
PZR PORV block valves open (ASP)
- 20 mins:*
- *RCP closing fuses pulled**
- 30 mins:*
- *Actuate ETL switch in EAB stairwell**
- Control Room Evacuation puts site in alert per E-Plan.
- If communications not established OR step 14.0 not complete by 15 mins, escalates to Site Area Emergency per E-Plan
- 0POP04-DJ-0001 Loss of Class 1E 125 VDC*
- *
What is RCDT discharge flow limited to?
10 gpm
If excess letdown directed to RCDT, must realize you are sending ≈ 20 gpm in and only 10 gpm out of RCDT.
Note:
States many times in procedure that if you lose Class 1E 125 VDC Train B then excess letdown will realign to VCT.
- 0POP04-CR-0001 Loss of Condenser Vacuum*
- *
At what deaerator level will condenser vacuum start be affected?
60%
Normal band is 60% - 80%.
- 0POP04-EW-0001 Loss of ECW*
- *
What must be done if LOCAL CCW HX temperature is > 105 ˚F?
Ensure HCV-0285 100% Open
Start PDP
Throttle HCV-0285
Place CCPs in PTL
Shut FV-0011
Lower seal injection to 6.0 - 8.0 gpm
- 0POP04-ZO-0005 Chemical Spills / Toxic Gas Release*
- *
What plant personnel must be informed of an unauthorized discharge?
Unit Operations Manager
On-Call Environmental Personnel
Duty Plant Manager
Resident NRC Inspector
- 0POP04-RS-0001 Control Rod Malfunction*
- *
If there is a dropped or misaligned rod, how far must the operators lower power to recover it?
- No Power Reduction:*
- *Fixed within 1 hr**
- Lower to 75%:*
- *Must Lower to 75% within 2 hrs**
Lowering power to 75% within 1 hr allows you 4 hrs to fix problem prior to reducing power further
- Lower to 40%:*
- *If power was not reduced to < 75% within 1 hr**
- 0POP04-RC-0002 RCP Off Normal*
- *
What must the operator do if all seal cooling is lost to the #1 RCP seal?
Trip Rx
Ensure Main Turbine Tripped
Trip affected RCP within 1 minute
Perform 0POP05-EO-EO00
If RCP Seal temp < 230 ˚F:
- Ensure PDP Recirc Valve 100% open
- Start PDP
- Slowly close PDP Recirc Valve to lower seal water bearing temp < 1˚F/min
- 0POP04-CC-0001 CCW System Leak*
- *
If CCW is lost to the CCP Supplemental Cooler or to the CCP lube oil cooler, how long until CCP failure?
- Supplemental Cooler:*
- *4 minutes**
- Lube Oil Cooler:*
- *8 minutes**
- 0POP04-IA-0001 Loss of Instrument Air*
- *
What IA pressure is a manual Rx Trip required?
60 psig
- 0POP04-AE-0007 Loss of all AC while on S/D Cooling*
- *
What are the time sensitive actions to ensure the Class 1E batteries last 8 hrs?
- Batteries will last 4 hours:*
- *De-energize ESF Sequencers (30 mins)**
- Batteries will last 8 hours:*
- *Initiate FSG04 (Deep Load Shed) (30 mins)**
Complete FSG04 (2 hrs)
Initially Class 1E Batteries will only last 2 hrs.
- 0POP04-RS-0001 Control Rod Malfunction*
- *
What actions must be taken if a control rod is deemed untrippable?
- 1 Rod:*
- *Be in MODE 3 in 6 hrs**
- ≥ 2 Rods:*
- *Trip the Rx, Go to EO**
Note:
I&C must verify current on grippers before a stuck rod is considered untrippable.
- 0POP04-RP-0002 Loss of Automatic PZR Level Control*
- *
What are the immediate actions of 0POP04-RP-0002 Loss of Automatic PZR Level Control?
Place FK-0205 in Manual
Adjust FK-0205 to maintain PZR level
- 0POP04-FW-0001 Loss of SG Level Control*
- *
What must be done if you are on the LPFRVs, they fail to respond in auto or manual, and the MFRVs are not responding?
- ≥ 5% Rx Power:*
- *Trip the Rx**
Perform 0POP05-EO-EO00
- < 5% Rx Power:*
- *Reduce power to 3% Rx Power**
Transition to AFW
- 0POP04-RP-0002 Loss of Automatic PZR Level Control*
- *
What must the operator do if PZR level reaches 17%?
Secure Letdown
Secure Charging
Secure PZR Heaters
Must secure charging because letdown is secured and, in AOP Land, you do not want to stress the PZR spray nozzle.
- 0POP04-RC-0002 RCP Off-Normal*
- *
What is the basis for closing the #1 Seal leakoff valve 3 mins to 5 mins after securing the RCP during a high #1 Seal Leakoff flow alarm?
- 3 Mins:*
- *Allows RCP to stop so you do not damage the #2 Seal**
- 5 Mins:*
- *Reduces damage to Bearings, Seals, and Shaft**
