ML13070A407

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Proposed Scenarios
ML13070A407
Person / Time
Site: Palisades Entergy icon.png
Issue date: 03/11/2013
From: Walton R
NRC/RGN-III/DRS/OLB
To:
References
Download: ML13070A407 (40)
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Text

Appendix D Scenario Outline Form ES-D-1 Facility: Palisades Scenario No.: ONE Op-Test No.: 1 Examiners: Operators:

Initial Conditions: 100% power with P-66B, HPSI Pump, tagged out.

Turnover: P-66B is tagged out for a coupling alignment and will be restored to operable in 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.

Shift orders are to alternate CCW Pumps to P-52A in service and P-52B/P-52C in standby.

Event Malf. Event Event No. No. Type* Description 1 N/A BOP (N) Alternate operating CCW pumps BOP (C) CV-0511, Turbine Bypass Valve Controller fails high; requires 2 MS09B SRO (C) manual action to terminate steam demand (ONP-9) 3 ED45A SRO (T) D/G 1-1 inoperable (local overspeed trip device broken)

SRO (C, T)

P-39A, Cooling Tower Pump, trips (ONP-14) and rapid 4 CW01A BOP (C) downpower (ONP-26)

RO (R)

SRO (I) 5 RX23B TYT-0200, TAVE/TREF Controller, Power Failure (ONP-13)

RO (I)

SRO (C) A S/G Main Steam Line Leak inside Containment (small 6 MS03A RO (C) requiring a manual reactor trip) 7 MS03A ALL (M) ESDE inside Containment (ramped in at time of trip) (EOP-6.0)

CH05A 8 RO (I) CHP Channels Auto Initiate Failure CH05B

  • (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor (T)ech Spec

Scenario ONE - Simulator Operator Instructions

  • Reset to IC-17
  • Ensure FIC-0210A set for 40-gallon dilution on Panel C-02
  • ENSURE CCW Pump P-52C is in service, with P-52A and P-52B in STANDBY
  • INSERT MF CH05A and CH05B (PIDCH01)
  • Hang Caution Tag on HPSI Pump P-66B (OOS) hand switch o RACKOUT breaker for P-66B using SI24 on PIDSI02 o Ensure EOOS indicates that P-66B is out of service
  • Create Event Trigger 6: Event: rdsr(13)<100 Action: imf ms03a 7 (raises severity to 7%)

Event # Remote or Instructions Trigger #

2 REMOTE 1 MS09B (PID MS03) Turbine Bypass Valve Controller fail high 3 REMOTE 2 ED45A (PIDED08) Local Overspeed trip Lever for D/G 1-1 = IN 4 REMOTE 3 CW01A (PIDCW01) C/T Pump P-39A Trip 5 REMOTE 4 RX23B (PIDRX04), TYT-0200 power failure MS03A (PIDMS01) A S/G Main Steam Line Break Inside Containment; 6 REMOTE 5 Severity value = 2%, 5 minute ramp 7 TRIGGER 6 Raises severity of steam rupture to 7%

8 ACTIVE AT SETUP (left and right CHP auto initiate failure)

Special instructions:

None Page 2 of 18

Scenario ONE - Turnover Information The Plant is at 100% power. P-66B HPSI Pp. is tagged out for pump coupling alignment and it is estimated that it will be restored to operable in 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> (LCO 3.5.2.B.1 - 72 hrs (60 hours6.944444e-4 days <br />0.0167 hours <br />9.920635e-5 weeks <br />2.283e-5 months <br /> remaining).

Shift orders are to alternate CCW Pumps to P-52A in service with P-52B and P-52C in standby.

Page 3 of 18

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 1 Page 1 of 1 Event

Description:

Alternate CCW Pumps Time Position Applicant's Actions or Behavior SIMULATOR EVALUATOR: Ensure the Surrogate SE/SM directs the CRS to have the BOP perform this evolution.

BOP Refers to SOP-16, section 7.3.6.

BOP Ensures locked open all available CCW pp. suction/discharge valves.

SIMULATOR OPERATOR: if asked as AO, report:

  • MV-CC919 and MV-CC940, P-52A suction and discharge valves are locked open
  • MV-CC556, P-52A Vent, is opened and closed to vent air from the casing
  • Initial CCW Hx dPs are E-54A = 6.6 psid, E-54B = 6.8 psid.

BOP Verifies both CCW Heat Exchangers in operation.

BOP Starts P-52A by placing control switch to TRIP and then to START.

SIMULATOR OPERATOR: if asked as AO after starting P-52A report:

  • CCW Hx dPs are: E-54A = 14.1 psid, E-54B = 14.2 psid.

BOP Stops P-52C by placing control switch to TRIP.

SIMULATOR OPERATOR: if asked as AO after starting P-52A report:

  • CCW Hx dPs are: E-54A = 6.8 psid, E-54B = 6.5 psid.

Places P-52C in standby:

BOP

  • Depress amber STANDBY button above handswitch
  • Verify amber light is LIT May request final reading on CCW Heat Exchangers differential pressure, but BOP not required.

When directed by the Lead Examiner, INSERT REMOTE #1 Page 4 of 18

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 2 Page 1 of 1 Event

Description:

Turbine Bypass Valve Fails Open Time Position Applicant's Actions or Behavior Diagnoses Turbine Bypass Valve has failed open:

  • Notes TAVE lowering
  • Power rising
  • Steam flow rising SRO
  • May observe GREEN/RED status light change on C-01 for TBV position BOP
  • Fail light on PIC-0511 lit RO Possible alarms including:
  • Nuclear Power / T, EK-0603, 4, 7, 8, Rack D (if TBV is open long enough)
  • Charging Pump Seal Cooling Low Pressure, EK-0734, due to charging pump starting on lowering PZR level (if TBV is allowed to stay open long enough)

Enters and directs the actions of ONP-9, Excessive Load Increase SRO May review trip criteria of ONP-9 Manually closes the TBV:

  • Places controller PIC-0511 to Manual BOP
  • Lowers output signal to zero
  • May direct AO to isolate SRO Reduce turbine load to restore reactor power to pre-event power level or less.

BOP (Not required if TBV is manually closed.)

SRO Initiate troubleshooting/repair At the discretion of the Lead Examiner, INSERT REMOTE #2 Page 5 of 18

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 3 Page 1 of 1 Event

Description:

D/G 1-1 Inoperable (broken overspeed trip device)

Time Position Applicant's Actions or Behavior Respond to alarms:

BOP

  • EK-0551, D/G 1-1 Trouble
  • EK-0552, D/G 1-1 Start Signal Blocked SRO Enters and directs the actions of ARP-3.

NOTES:

1. Simulator Operator call Control Room as Aux Operator and report that a contractor inadvertently hit a lever on the side of D/G 1-1 (overspeed trip lever) with a scaffolding pole.
2. When asked as AO to reset overspeed trip lever, inform Control Room that linkage is broken and will need repair (cannot be reset as-is).

Determines the following Tech Spec Actions apply

  • 3.8.1.B.1: Directs offsite source check within 1-hour SRO
  • 3.8.1.B.3.1: Determines no common cause failure within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />
  • 3.8.1.B.4: Restore D/G 1-1 to operable status within 7 days SRO Contact maintenance to initiate troubleshooting and repairs.

SRO Direct performance of offsite source checks per SR 3.8.1.1.

BOP Performs offsite source check per SR 3.8.1.1.

At the discretion of the Lead Examiner, INSERT REMOTE #3 Page 6 of 18

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 4 Page 1 of 3 Event

Description:

P-39A Cooling Tower Pump Trip Time Position Applicant's Actions or Behavior Diagnoses that P-39A has tripped:

  • EK-3522, "CLG TWR PUMP P-39A TRIP" BOP/SRO
  • P-39A red light OUT, green light ON
  • P-39A ammeter reads ZERO

Enters and directs the actions of ONP-14, Loss of Condenser Vacuum and ONP-26, Rapid Downpower.

SRO

  • Reviews trip criteria of ONP-14
  • Reviews trip criteria of ONP-26 Initiate a rapid downpower to approximately < 55% at a rate of 300% per SRO/RO/

hour, as directed by ONP-14 and as controlled by ONP-26, Rapid BOP Downpower.

INSERTS Group 4 Control Rods 10 inches:

RO

  • Rod Control Switch operated to INSERT Group 4 control rods 10 inches Stabilize power at < 55% as specified by SRO.
  • COMMENCE turbine load reduction in Operator Auto using RUNBACK at a rate 300%/hour at the DEH panel, as ordered by the Control Room Supervisor:

BOP o DEPRESS Control Setpoint pushbutton o SELECT 300%/hour (or rate specified by CRS) by either typing in number for rate or utilizing programmable pushbuttons (yellow) o DEPRESS Runback to 5% pushbutton o VERIFY Governor valves closing Page 7 of 18

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 4 Page 2 of 3 Event

Description:

P-39A Cooling Tower Pump Trip Time Position Applicant's Actions or Behavior Stabilize power at < 55% as specified by SRO.

MAINTAIN TAVE within 5°F of TREF during the rapid power reduction by regulating rod insertion and/or boration.

For Control Rod manipulations:

  • Operates Rod Control Switch to INSERT Group 4 Regulating Rods in increments specified by CRS
  • MONITORS reactor power and TAVE For Boration:
  • RESET PMW and BA Controllers if required
  • SET quantity and batch flow limit on FIC-0201B, BA flow controller RO
  • SET quantity and batch flow limit on FIC-0210A, PMW flow controller
  • OPEN CV-2155, Make Up Stop Valve
  • PUSH start pushbutton on FIC-0210B
  • VERIFIES FIC-0210B output signal at zero when boration complete
  • PUSH start pushbutton on FIC-0210A
  • VERIFIES FIC-0210A output signal at zero when flush complete
  • CLOSES CV-2155
  • MONITORS reactor power and TAVE Note: This will take some time to stabilize; i.e., crew will slow rate of power reduction significantly when vacuum starts to stabilize.

Refers to and implements the following Tech Spec LCOs:

SRO

  • 3.1.6.A, 2-hour action to restore rods above PDIL Performs ONP-14, Attachment 1 to control 'A' Cooling Tower basin level and maintain cooling to the affected waterbox.
  • THROTTLE P-39A Waterbox Inlet, MO-5301
  • ENSURE CLOSED Dilution Water Pump Discharge to Mixing Basin, MO-5311 BOP
  • ENSURE OPEN Dilution Water Pump Discharge to Cooling Towers, MO-5313 and MO-5315

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 4 Page 3 of 3 Event

Description:

P-39A Cooling Tower Pump Trip Time Position Applicant's Actions or Behavior May need to balance Group 4 control rods.

  • PLACE Rod Selector Switch in the position for the rod to be moved
  • TURN Group Selector Switch to the position for the group containing the rod to be moved
  • PLACE Mode Selector Switch to MI (Manual Individual) position
  • PERFORM the following to reposition the rod:

RO o OPERATE the Raise-Lower Switch o MONITOR Nuclear Instruments and TAVE closely while repositioning rod o IF necessary to maintain power level, THEN STOP single rod motion AND COMPENSATE with Regulating Rods

  • PLACE the Group Selector Switch to desired position
  • PLACE the Mode Selector Switch in MS (Manual Sequential) position or as directed by the Shift Manager May place one Main FW pp. to MANUAL at minimum speed per SRO BOP direction.

After power has been lowered to 55% OR at the discretion of the Lead Examiner, INSERT REMOTE #4 Page 9 of 18

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 5 Page 1 of 1 Event

Description:

TYT-0200 Power Failure (ONP-13)

Time Position Applicant's Actions or Behavior Diagnose loss of TYT-0200:

  • TAVE indicates minimum (approx 515°F)
  • B PZR Level Controller goes to maximum Letdown signal
  • P-55A Charging pump speed lowers to minimum RO/BOP
  • All three Letdown Orifice Stop Valves open
  • Major Alarms:

o EK-0761, Pressurizer Level HI-LO o EK-0924, Group 1 PDIL o EK-0967, Loop 1 Loop 2 Tave Deviation Enters ONP-13, TAVE /TREF Controller Failure SRO

  • DIRECTS AVG TEMP DISPLAY SELECT Switch on Panel C-02 to LOOP 1 position
  • PLACES AVG TEMP DISPLAY SELECT Switch on Panel C-02 to LOOP 1 position RO
  • ENSURES Pressurizer Level Control program level and Charging/Letdown components return to normal programmed level operation COMPARE T Power for PIP Node and SPI Node/Host Computer on a workstation to actual Reactor Power:
  • PIP Node power = POWER_PIP_DELTA_T SRO
  • SPI system power = POWER_SPI_DELTA_T IF a T Power value is < actual Reactor Power by more than 4%, THEN that Node shall be declared INOPERABLE for PDIL monitoring.

After CRS has briefed on loss of TYT-0200 OR at the discretion of the Lead Examiner, INSERT REMOTE #5.

Page 10 of 18

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 6 Page 1 of 1 Event

Description:

'A' S/G Steam Leak Inside Containment Time Position Applicant's Actions or Behavior Diagnose ESDE Inside Containment:

  • Indications: TAVE lowering; A Charging Pump speed rising; Containment Pressure rising
  • Major alarms:

SRO/RO/BOP o EK-1148, Fire System Panel C-47, C-47A/B or C-49 Off Normal o EK-1344, Containment Air Cooler VHX-2 Dry Pan HI Level o EK-1346, Containment Air Cooler VHX-4 Dry Pan HI Level o EK-1362, Containment Pressure Off Normal No Operator actions apply for EK-1148, EK-1344, EK-1346, and EK-1362, RO/BOP for ESDE Enters ONP-9, Excessive Load SRO

  • DIRECTS Plant trip based on load exceeding 1% change in Power RO DEPRESSES Panel Reactor Trip Pushbutton on Panel C-02 BOP/RO PERFORM immediate actions of EOP-1.0, Standard Post Trip Actions Page 11 of 18

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 7/8 Page 1 of 7 Event

Description:

'A' S/G ESDE Inside Containment/Failure of Auto CHP Time Position Applicant's Actions or Behavior When Containment pressure reaches 4.0 psig, PERFORMS the following per EOP-1.0 Immediate Actions (attached):

  • DEPRESS Containment Hi Rad actuation pushbuttons, CHR-L and CHR-R (push buttons will not work)
  • CLOSE MSIVs (CV-0501 and 0510)
  • CLOSE CCW to/from Containment isolation valves, CV-0910, 0911 and 0940
  • DEPRESS Left and Right Channel SI Initiate pushbuttons
  • ENSURE ALL available HPSI and LPSI pumps operating with associated loop isolation valves open
  • ENSURE Containment Air Coolers in accident mode
  • ENSURE operating all CAC A Fans

SRO Commence EOP-1.0 verbal verifications.

Reactivity Control:

  • Reactor power lowering YES RO
  • negative SUR YES

BOP

  • Generator disconnected from grid YES Page 12 of 18

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 7/8 Page 2 of 7 Event

Description:

'A' S/G ESDE Inside Containment/Failure of Auto CHP Time Position Applicant's Actions or Behavior Feedwater criteria:

  • PLACES MFP Controller to MANUAL and RAMPS to minimum BOP speed: YES (However, MSIVs are closed due to no steam to MFPs)
  • Main FRV and B/Ps CLOSED YES Vital Auxiliaries-Electric:
  • Buses 1C and 1D energized: YES
  • Bus 1E energized: NO (if SIS present)

BOP

  • Bus 1A and 1B energized: YES
  • Y-01 energized: YES
  • Six DC Buses energized: YES
  • 3 of 4 Preferred AC Buses energized: YES PCS Inventory Control:
  • PZR level 20% - 85% and trending toward 42% - 57% NO Applicable Contingency Actions:

RO o Ensure all orifice stop valves are closed o Ensure all available charging pumps are operating

  • PCS 25°F subcooled YES PCS Pressure Control:
  • PZR pressure 1650 to 2185 psia and trending toward 2010 to 2100 psia NO Applicable Contingency Actions:

o Manually operates PZR heaters and spray; heaters will be off due RO to low PZR level, spray valves closed o When PCS pressure is < 1605 psia, verify safety injection initiated, EK-1342 in alarm and all available HPSI and LPSI pumps in service and valves open

  • If PCS pressure is < 1300 psia, stops two PCPs (one in each loop)

(may already be stopped due to loss of CCW to Containment)

Page 13 of 18

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 7/8 Page 3 of 7 Event

Description:

'A' S/G ESDE Inside Containment/Failure of Auto CHP Time Position Applicant's Actions or Behavior Core Heat Removal:

May secure ALL PCPs due to loss of CCW for cooling

  • At least one PCP operating: YES or NO (depends on timing)

RO o If NO, there is no contingency

  • Verify Loop T less than 10°F: NO (No Contingency Actions)
  • Verify PCS at least 25°F subcooled: YES PCS Heat Removal:
  • Verify at least one S/G has level between 5% to 70% with Feedwater available to maintain S/G level YES
  • Verify TAVE between 525°F and 540°F NO If TAVE is less than 525°F:

o ENSURE FW flow is NOT excessive o RESTORE TAVE between 525°F and 540°F using Turbine Bypass Valve (preferred) or Atmospheric Steam Dump Valves

  • Verify BOTH S/G pressures between 800 psia and 970 psia NO BOP If <800 psia:

o ENSURE Turbine Bypass Valve is closed o ENSURE Atmospheric Steam Dump Valves are closed o CLOSE BOTH MSIVs: CV-0510 (AS/G) and CV-0501 (B S/G):

places one handswitch to CLOSE momentarily and back to OPEN If <500 psia, ENSURE CLOSED the following valves:

o BOTH MSIVs, CV-0510 (A S/G) and CV-0501 (B S/G) o CV-0703, B S/G Main Feed Reg Valve o CV-0734, B' S/G Bypass Feed Reg Valve SRO MAY direct isolating AFW to A Steam Generator Page 14 of 18

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 7/8 Page 4 of 7 Event

Description:

'A' S/G ESDE Inside Containment/Failure of Auto CHP Time Position Applicant's Actions or Behavior If directed to isolate AFW to A S/G:

  • SELECTS MANUAL on FIC-0749, P-8A/B flow to S/G A
  • SELECTS MANUAL on FIC-0737A, P-8C flow to S/G A BOP
  • Ensuring/raising flow output to 100% on each controller (RED signal indicator to the full right position)
  • CLOSES CV-0522B, Steam from A S/G to P-8B, Turbine Driven AFW Pump Containment Isolation:
  • Containment pressure < 0.85 psig NO
  • Applicable Contingency Actions (> 4 psig):

o DEPRESS Containment Hi Rad actuation pushbuttons, CHR-L and CHR-R (push buttons will not work)

RO o CLOSE MSIVs (CV-0501 and 0510 and CCW to/from Containment isolation valves, CV-0910, 0911 and 0940 o ENSURE closed FRVs and FRV Bypass Valves o DEPRESS Left and Right Channel SI Initiate pushbuttons o ENSURE ALL available HPSI and LPSI pumps operating with associated loop isolation valves open (CRITICAL TASK PL-000 433 05 01 if not previously done)

Containment Isolation:

  • Verify Containment Area Monitor alarms clear: NO (Depends on timing: All four in alarm, not corroborated with High Range Gamma BOP Monitors)
  • Verify Condenser Off Gas Monitor alarm clear: YES

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 7/8 Page 5 of 7 Event

Description:

'A' S/G ESDE Inside Containment/Failure of Auto CHP Time Position Applicant's Actions or Behavior Containment Atmosphere:

  • Containment temperature < 125°F NO
  • Containment Pressure < 0.85 psig NO
  • Applicable Contingency Actions (> 4 psig):

RO o ENSURE Containment Air Coolers in accident mode o ENSURE operating all CAC A Fans o OPEN Containment Spray Valves, CV-3001/3002 o START Containment Spray Pumps, P-54A/B/C (CRITICAL TASK PL-000 433 05 01, If not previously done)

Vital Auxiliaries - Water:

  • Verify BOTH Critical SW Header Pressures greater than 42 psig YES
  • Verify at least one CCW Pump operating YES Vital Auxiliaries - Air:

RO

  • Instrument Air header pressure greater than 85 psig YES
  • DIRECTS performance of EOP Supplement 6, Checklist For Containment Isolation and CCW Restoration SRO
  • DIRECTS performance of EOP Supplement 5, Checklist for Safeguards Equipment Following SIAS BOP PERFORMS EOP Supplement 5 and Supplement 6 Verifies BOTH of the following:

BOP

  • At least one Condensate Pump operating

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 7/8 Page 6 of 7 Event

Description:

'A' S/G ESDE Inside Containment/Failure of Auto CHP Time Position Applicant's Actions or Behavior PLACES LEFT train CRHVAC in emergency mode:

  • STARTS V-26A, Air Filter Unit Fan BOP
  • ENSURES OFF: V-94, Purge Fan; V-47, Switchgear Exhaust Fan
  • May follow-up with SOP-24 verification ALL Diagnose 'A' S/G as affected SRO Directs isolating AFW to A S/G (if not already done)

When directed, isolates AFW to A S/G (if not already done):

  • SELECTS MANUAL on FIC-0737A BOP
  • SELECTS MANUAL on FIC-0749
  • Raises output to 100% on each controller (RED signal indicator to the full right position)

Performs EOP-1.0, attachment 1, Event Diagnostic Flow Chart SRO

  • Diagnoses an ESDE and enters EOP-6.0, Excess Steam Demand Recovery SRO DIRECTS steaming unaffected S/G B to within 50 psi of affected S/G A Begins steaming B S/G:
  • HIC-0780A, Steam Dump Controller, MANUAL pushbutton PUSHED RO
  • Manual control level taken to the OPEN position
  • MONITORS S/G pressures and cooldown rate SRO DIRECTS SE to perform Safety Function Status checks for EOP-6.0 Page 17 of 18

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: ONE Event No.: 7/8 Page 7 of 7 Event

Description:

'A' S/G ESDE Inside Containment/Failure of Auto CHP Time Position Applicant's Actions or Behavior Commences emergency boration (may have been automatically started by Safety Injection actuation):

  • OPENS Pumped Feed Valve, MO-2140 RO
  • OPENS Boric Acid Gravity Feed Valves, MO-2169/2170
  • CLOSES VCT Outlet, MO-2087
  • CLOSES SIRWT to Charging Pumps, MO-2160 (may re-open if VCT level is low)

SRO/RO Establish PCS temperature and pressure control bands CLOSES Letdown orifice isolation valves on Panel C-02:

BOP/RO

  • PLACES control switches for CV-2003, CV-2004, CV-2005, to CLOSE SRO Directs EOP Supplement 4, HPSI flow verification, completed.

DIRECTS isolating A S/G per EOP Supplement 17, A S/G ESDE Isolation SRO Checklist Isolates A S/G per Supplement 17:

  • CLOSE CV-0742, A S/G Main Feed Reg Block Valve
  • CLOSE S/G E-50A Blowdown Valves: CV-0767, CV-0771, and BOP CV-0739 (may be performed in EOP supplement 6)
  • DIRECTS Auxiliary Operator to isolate 'A' S/G per EOP Supplement 17 (CRITICAL TASK PL-000 209 05 01)

Simulator Operator: When instructed by BOP to isolate A S/G outside the Control Room per Supplement 17, then perform the following:

MS20 (PIDMS01) Main Steam Dump Manual Valve CA-0781, value = CLOSE MS21 (PIDMS01) Main Steam Dump Manual Valve CA-0782, value = CLOSE SG09 (PIDMS01) Manual Throttle Vlv MS-101 for CV-0782, value = 0 SG11 (PIDMS01) Manual Throttle Vlv MS-103 for CV-0781, value = 0 SRO: Emergency Classification Level: NONE Terminate Scenario when S/G is isolated or at examiner discretion Page 18 of 18

Appendix D Scenario Outline Form ES-D-1 Facility: Palisades Scenario No.: TWO Op-Test No.: 1 Examiners: Operators:

Initial Conditions: 3% power, Main Turbine is at 1800 rpm. P-10B, Heater Drain Pump, is out of service for packing repair.

Turnover: Shift orders are to synchronize Turbine to the grid and then raise power to 25% at 12% per hour.

Event Malf. Event Type* Event No. No. Description SRO (N) 1 N/A Synchronize Turbine to Grid BOP (N)

SRO (N) 2 N/A RO (R) Raise power to 25% at 12%/hr BOP (N)

SRO (T) 3 RM08G RIA-1811, West ESG Rm Ventilation Radiation Monitor failure RO (C)

SRO (C, T) 4 P-40A-1 P-40A, Dilution Water Pump, trip/breaker failed BOP (C)

SRO (C) 5 ED38A RO (C) D11-1, DC Bus, fuse failure (ONP-2.3)

BOP (C) 6 RC04 ALL (M) LOCA (requires reactor trip) 7 ED38A BOP (C) Main Generator Bkr Auto Open Failure 8 RD16 RO (C) Two stuck Control Rods (EOP-9.0)

  • (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor (T)ech Spec

Scenario TWO - Simulator Operator Instructions

  • Reset to IC-13, 3% power MOL IC.
  • INSERT RF FW36 (PIDFW02) P-10B Heater Drain Pump Breaker, Final Value = Rackout o Hang Caution Tag on P-10B Handswitch
  • Place both Feed Reg Bypass Valves in Auto.
  • Ensure FIC-0210A set for 40-gallon dilution on Panel C-02
  • INSERT MFs RD16-05 and RD16-20 (PIDRD02) Control Rods #5 and #20, Final Value = 5-Stuck Event # Remote or Instructions Trigger #

1 No actions required.

2 No actions required.

3 REMOTE 1 RM08G (PID RM04) Low Rad West Eng SFGD Vent Monitor RIA-1811 P-40A-1 (DWS P-40A Selector Stop) to ON (= trips P-40A) 4 REMOTE 2 P-40A-W (P-40A white light) to OFF P-40A-G (P-40A green light) to OFF 5 REMOTE 3 ED38A (PIDED14) D-11-1 DC Bus Fuse Failure 6 REMOTE 4 RC04 (PIDRC01) Severity = 60 (600 gpm LOCA) 7/8 No actions required.

Special instructions:

  • Prepare copy of GCL-4 completed through step 4.1.
  • Prepare copy of GCL-5 completed through step 2.3.
  • Prepare copy of SOP-8 section 7.1.3 completed through step 7.1.3.a.

Page 2 of 22

Scenario TWO - Turnover Information The Plant is at 3% power, MOL. Procedure currently in use is GOP-4, MODE 2 to MODE 1. GCL-4 is completed through step 4.1. P-10B, Heater Drain Pump, is out of service for packing repair. Shift orders are to synchronize Turbine to grid per GCL-4 and then raise power to 25% at 12% per hour.

Page 3 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 1 Page 1 of 1 Event

Description:

Synchronize Turbine to Grid Time Position Applicant's Actions or Behavior Directs establishing prior to synchronization conditions per GCL-4 step 4.2:

  • Reactor Power 13% power SRO
  • TAVE 540°F
  • PIC-0511, TBV Controller output signal > 55% (preferred 75%)
  • Operates Rod Control Switch to WITHDRAW Group 4 Regulating RO Rods in increments specified by CRS
  • MONITORS reactor power and TAVE Simulator Operator:
a. If contacted as AO to place the Main Transformer cooling in service, after about 10 minutes report that it has been done (not modeled on simulator.)
b. If contacted as AO to verify that the loss of sensing module inside the Voltage Regulator cabinet is reset, after 3 to 5 minutes report that it is reset.
c. If contacted as System Control, grant permission for Palisades to synchronize.

Places Voltage Regulator in service

  • CLOSE Field Breaker using 341/CS, Turbine Gen Exciter Field Circuit Breaker
  • ADJUST 370DC/CS, Voltage Regulator Manual Control Switch, to raise Generator Terminal Voltage to between 21.8 kV to 22.2 kV. Do NOT exceed 23.1 kV
  • PLACE position 390CS, Voltage Regulator Control Switch, in TEST
  • OPERATE 390AC/CS, Voltage Regulator Automatic Control Switch, BOP to change the Regulator Balance Meter indication to +5 and -5 volts to verify Voltage Regulator is operable
  • ADJUST 390AC/CS, Voltage Regulator Automatic Control Switch, to zero the Regulator Balance Meter
  • PLACE 390CS, Voltage Regulator Control Switch, in ON position
  • Contacts AO to verify Voltage Regulator loss of sensing module is reset
  • Notifies System Control of impending synchronization
  • Ensures NCOR ready to synchronize Page 4 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 2 Page 1 of 3 Event

Description:

Raise power to 25%

Time Position Applicant's Actions or Behavior Synchronizes T/G to grid as follows:

  • ENSURE OPEN 25F7, Generator Output Breaker
  • ENSURE OPEN 25H9, Generator Output Breaker
  • ENSURE Reactor Operator ready to raise load
  • ADJUST turbine speed using the Setter to get the Sync Scope turning slowly in the clockwise (fast) direction
  • ENSURE the Valve Position Limiter is at approximately 10%
  • ENSURE PIC-0511, Turbine Bypass CV-0511, is in AUTO with a setpoint of 900 psi
  • CLOSE 25F7, Generator Output Breaker, using 452-25F7CS, ACB 25F7 Control Switch, as the Sync Scope nears "1200" hours
  • VERIFY 25F7, Generator Breaker, closed light is ON
  • VERIFY CLOSED (locally) all three phases on 25F7, Generator Breaker. (Requires AO in switchyard to visually observe all three (3)

BOP targets indicate RED)

  • TURN 425-25F7SS, ACB 25F7 Synchronizing Switch to OFF.
  • ENSURE Generator is loaded to at least 20 MW
  • TURN 425-25H9SS, ACB 25H9 Synchronizing Switch to ON
  • CLOSE 25H9 Generator Breaker, using 452-25H9CS, ACB 25H9 Control Switch
  • VERIFY 25H9, Generator Breaker, closed light is ON
  • VERIFY CLOSED (locally) all three phases on 25H9, Generator Breaker. (Requires AO in switchyard to observe all three (3) targets indicate RED)
  • TURN 425-25H9SS, ACB 25H9 Synchronizing Switch to OFF
  • Verifies Generator Hot Gas and Cold Gas delta-T are within limits
  • Notifies Secondary AO that plant is on line and to prepare to monitor secondary side parameters as load is raised Simulator Operator: If contacted as AO in the Switchyard to verify that all three phases of generator output breakers 25F7 and 25H9 are closed, after 3 minutes report that all three phases are closed.

Page 5 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 2 Page 2 of 3 Event

Description:

Raise power to 25%

Time Position Applicant's Actions or Behavior SRO Direct setup of DEH for power escalation at 12%/hr.

Operates turbine generator on the DEH panel for power escalation @ 12% per hour:

  • ENTERS setter value BOP
  • SELECTS rate of 12% per hour
  • PUSHES GO pushbutton and observes white light illuminate
  • Informs CRS/RO that turbine is in GO Performs periodic dilutions and/or control rod manipulations to maintain TAVE within 3°F of TREF For Dilutions:
  • RESET PMW and BA Controllers if required
  • SET quantity and batch flow limit on FIC-0210A, PMW flow controller
  • OPEN CV-2155, Make Up Stop Valve
  • PUSH start pushbutton on FIC-0210A RO
  • VERIFIES FIC-0210A output signal at zero when dilution complete
  • CLOSES CV-2155
  • MONITORS reactor power and TAVE For Control Rod manipulations:
  • Operates Rod Control Switch to WITHDRAW Group 4 Regulating Rods in increments specified by CRS
  • MONITORS reactor power and TAVE Page 6 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 2 Page 3 of 3 Event

Description:

Raise power to 25%

Time Position Applicant's Actions or Behavior

  • Starts Cooling Tower Fans as necessary o PUSH individual button for desired fan (s) o PUSH START Command Button on selected fan controls BOP
  • Directs AO to open MSR 1 purge valves at 10% power
  • VERIFIES EK-06, Rack D Window 2, LOSS OF LOAD TRIP CHANNEL BYPASS, bypass clears at about 15% power
  • VERIFIES EK-06 Rack D Window 6, RATE TRIP CHANNEL ENABLED, clears at about 15% power SIMULATOR OPERATOR:
a. If contacted as AO to open 1-inch MSR purge valves, after about 5 to 10 minutes, report that it is done (not modeled.)
b. If contacted as AO to vent Hydrogen Coolers, after about 5 to 10 minutes, report that it is done (not modeled.)
  • Directs AO to vent Hydrogen Coolers at about 15% power (if time BOP permits)

SIMULATOR OPERATOR:

a. If contacted as AO to vent Hydrogen Coolers, after about 5 to 10 minutes, report that it is done (not modeled.)

At the discretion of the Lead Examiner, INSERT REMOTE #1 (NOTE: there is a five-minute time delay until alarm will actuate).

Page 7 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 3 Page 1 of 1 Event

Description:

West ESS Room Ventilation Radiation Monitor Failure Time Position Applicant's Actions or Behavior INFORMS the SRO of alarms:

RO

  • EK-1371, Rad Monitor Sys Ckt Failure RO COORDINATES with BOP on status of RIA-1811 CHECKS RIA-1811 on Panel C-11 and notes failure low condition: reports to BOP SRO that RIA-1811 is failed.

SRO Enters LCO 3.3.10.A.1 and directs RO to close West ESS Room Dampers.

Refer to ARP-8 and SOP-38 (no applicable actions).

Take actions as directed by SRO from LCO 3.3.10.A.1:

RO

  • PLACE keyswitch to CLOSE for West ESS Room Damper PO-1811
  • DIRECTS AO to check status of remote damper PO-1812 SIMULATOR OPERATOR: If asked as AO to check status of remote ventilation damper PO-1812, report that it is closed Evaluator Note: RIA-1811 reading is in Orange = INVALID May refer to ODCM. Item number 6 of Table A-1 specifies that if either channel fails low or is otherwise inoperable, the ventilation dampers SRO associated with that channel shall be closed immediately and action shall be taken to have the affected channel repaired. (This is identical to action statement in LCO 3.3.10.A.1.)

After CRS has briefed on West ESS Room ventilation rad monitor OR at the discretion of the Lead Examiner, INSERT REMOTE #2 Page 8 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 4 Page 1 of 1 Event

Description:

Dilution Water Pump P-40A Trip Time Position Applicant's Actions or Behavior Diagnoses Dilution Water Pump P-40A trip:

  • P-40A red light OFF, green light OFF, white light OFF BOP
  • P-40A amps are ZERO SRO

Supply both Water Boxes from P-40B per SOP-14, section 7.3.5:

  • ENSURE CLOSED MO-5313, P-40A/B Disch to E-30A Makeup/Fill
  • ENSURE CLOSED MO-5315, P-40A/B Disch to E-30A Makeup/Fill
  • SLOWLY OPEN MV-CW735, Dilution Water Pumps P-40A/B Disch BOP Xconn (call to AO)
  • SIMULTANEOUSLY THROTTLE OPEN MO-5315, P-40A/B Disch to E-30A Makeup/Fill, for a total of 15-20 seconds AND THROTTLE CLOSED MO-5316, P-40A/B Disch to E-30B Makeup/Fill
  • CONTACT chemistry to obtain Cooling Tower samples SIMULATOR OPERATOR: If directed to open MV-CW735, use CW19 (PIDCW02), value = 100 SRO May order Main Turbine placed in HOLD.

BOP DEPRESS HOLD on Main Turbine if directed.

SRO Notify Chemistry or RMC concerning degraded dilution capability.

SRO Notify AO and Work Week Mgr to investigate P-40A and breaker.

SIMULATOR OPERATOR: Call CRS as AO and inform that P-40A breaker 152-102 has no control power light and there is a smell of burnt insulation from breaker.

SIMULATOR OPERATOR: When asked, inform CRS that P-40B discharge pressure is 11 psig.

SRO Determines that LCO 3.4.9.B.1, 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to restore to OPERABLE status, applies for P-40A breaker 152-102 being inoperable.

NOTE: After CRS has determined LCO OR at the discretion of the Lead Examiner, INSERT REMOTE #3.

Page 9 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 5 Page 1 of 3 Event

Description:

DC Bus D11-1 Fuse Failure Time Position Applicant's Actions or Behavior Respond to numerous alarms

RO

  • EK-0523, BUS TRANSFER CONTROL CKT UNDERVOLTAGE BOP
  • EK-0529, STARTUP TRANSFORMER PROT CKT UNDERVOLTAGE SRO Enters ONP-2.3 Loss of DC Power Crew diagnoses loss of D11-1 per ONP-2.3 Attachment 2:

SRO

  • CV-0510 Pos. Ind. Lights OFF RO
  • K-7A Trip Power Light ON BOP
  • Bus 1A "Control Power" Light OFF IF necessary or desired to shutdown P-8B, THEN direct AO to MANUALLY RO CLOSE CV-0522B, K-8 Normal Steam Supply, using SOP-12, Feedwater System, Attachment 9, "CV-0522B Manual Operation," to stop P-8B.

SIMULATOR OPERATOR: IF directed as AO to manually close CV-0522B, use FW16B on PID FW01.

ENSURE CLOSED the following Letdown Orifice Stop Valves:

  • CV-2003 RO
  • CV-2004
  • CV-2005
  • CONTROL Pressurizer level manually, as required by stopping P-55A Charging Pump RO
  • CONTROL Pressurizer pressure manually, as required
  • ENSURE OPEN CV-2191, Pri Coolant Pp Controlled Bleedoff Stop Page 10 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 5 Page 2 of 3 Event

Description:

DC Bus D11-1 Fuse Failure Time Position Applicant's Actions or Behavior STOP all Auxiliary Building ventilation

  • PLACE in TRIP position, the standby Main Exhaust Fan
  • PLACE Engineered Safeguards Vent Dampers to the CLOSE position, HS-1810A (Key 310) and HS-1811A (Key 311)
  • Stop the following fans:

RO SIMULATOR OPERATOR: IF asked, inform Control Room that PO-1817, Dirty Waste Tank Room Ventilation damper, is closed NOTIFY Radiation Protection that Aux Bldg Ventilation is Shutdown, and to SRO monitor Control Room radiation levels.

Page 11 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 5 Page 3 of 3 Event

Description:

DC Bus D11-1 Fuse Failure Time Position Applicant's Actions or Behavior Direct more frequent monitoring of the following:

  • T-5, Moisture Separator and Heater Drain Tank, level
  • P-10A and P-10B, Heater Drain Pumps PLACE one train of Control Room HVAC in Emergency Mode
  • PLACE the desired Air Filter Unit Fan handswitch to ON o V-26A or V-26B
  • ENSURE the remaining component status in at least one Train:

BOP

  • ENSURE OFF Purge Fan V-94
  • ENSURE OFF Switchgear Exhaust Fan V-47 Conduct Crew Brief for loss of D11-1 affects and potential future contingency SRO actions per ONP-2.3 Attachment 6.

NOTE: After CRS has conducted loss of DC Brief OR at the discretion of the Lead Examiner, INSERT REMOTE #4.

Page 12 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 6 Page 1 of 1 Event

Description:

LOCA (requires reactor trip)

Time Position Applicant's Actions or Behavior Diagnose PCS leak:

Indications from PPC:

  • Containment Gas Radiation Monitor rising SRO
  • Containment Sump level rising RO
  • Containment Sump fill rate rising BOP
  • Charging line flow rising
  • P-55B Charging Pump Start (may occur)

Major alarms:

  • EK-0734, Charging PP Seal Cooling LO Press (if P-55B starts)

Enters ONP-23.1 PCS Leak SRO

  • Determines that PCS leak rate is greater than 10 gpm

RO (CRITICAL TASK PL-343 223 05 01)

RO/BOP Perform EOP-1.0 immediate actions Page 13 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 6/7/8 Page 1 of 8 Event

Description:

LOCA/Two Stuck Control Rods/Loss of D11-1 Time Position Applicant's Actions or Behavior Informs SRO that Main Generator is not disconnected from grid, CONTINGENCY ACTION:

BOP

  • Connect jumper between terminals 1 and 10 on Relay 487U (Y phase) (on back of C-04 in simulator)

(CRITICAL TASK PL-000 059 05 01)

EVALUATOR: Electrical Safety precautions for connecting jumper are all natural fiber clothing.

SIMULATOR OPERATOR: IF BOP does not perform above action, THEN call CRS as System Control and inform that they are still showing 80 Mw coming from Palisades.

Informs SRO that two controls rods are not fully inserted, CONTINGENCY ACTION:

  • Commences emergency boration RO o STARTS Boric Acid Pump, P-56A o OPENS MO-2140, Boric Acid Pump Feed Isolation o VERIFIES Charging Flow greater than 33 gpm (may need to start a Charging Pump)

(CRITICAL TASK PL-000 024 05 01)

SRO Commences EOP-1.0 verbal verifications Reactivity Control:

  • Reactor power lowering: YES RO
  • Negative SUR: YES
  • Maximum of one control rod not inserted: NO (two rods stuck out)

(Emergency Boration is in progress)

Page 14 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 6/7/8 Page 2 of 8 Event

Description:

LOCA/Two Stuck Control Rods/Loss of D11-1 Time Position Applicant's Actions or Behavior Main Turbine Generator criteria:

  • Generator disconnected from grid: YES, but Contingency Action taken to trip generator breakers due to loss of D11-1 Feedwater criteria:
  • PLACES Main FWP Controllers to MANUAL and RAMPS to BOP minimum speed: YES
  • PLACES Main FW Controllers to MANUAL, Main FRV and B/Ps CLOSED: YES Main Vital Auxiliaries-Electric:
  • Buses 1C and 1D energized: YES
  • Bus 1E energized: NO (due to SIAS)

BOP

  • Bus 1A and 1B energized: YES
  • Y-01 energized: YES
  • Six DC Buses energized: NO (D11-1 de-energized)
  • 3 of 4 Preferred AC Buses energized: YES PCS Inventory Control:
  • PZR level 20% - 85% and trending toward 42% - 57%: YES/NO (depends on conditions)

RO

  • Contingency Action o Verify max Charging and min Letdown
  • PCS 25°F subcooled: YES/NO (Depends on timing: by TCs )
  • No Contingency Actions Page 15 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 6/7/8 Page 3 of 8 Event

Description:

LOCA/Two Stuck Control Rods/Loss of D11-1 Time Position Applicant's Actions or Behavior PCS Pressure Control:

  • PZR pressure 1650 to 2185 psia and trending toward 2010 to 2100 psia: NO
  • Contingency Actions:

o Manually operates PZR heaters and spray; heaters will be off due RO to low PZR level, spray valves closed o When PCS pressure is < 1605 psia, verify safety injection initiated, EK-1342 in alarm and all available HPSI and LPSI pumps in service and valves open o At <1300 psia, Trip two PCPs (one in each loop) o At < minimum pressure for PCP operations, trips last two PCPs SIMULATOR OPERATOR: IF called to locally trip P-50A/C, use RC30/RC32 (PID RC03/RC05)

Final Value to RACKOUT Core Heat Removal:

  • At least one PCP operating: YES RO
  • Verify Loop T less than 10°F: YES
  • Verify PCS at least 25°F subcooled: YES/NO (Depends on timing: by TCs)

Page 16 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 6/7/8 Page 4 of 9 Event

Description:

LOCA/Two Stuck Control Rods/Loss of D11-1 Time Position Applicant's Actions or Behavior PCS Heat Removal:

  • Verify at least one S/G has; level 5% - 70%; Feedwater available:

YES/NO (may be >70% if P-8B was not secured)

For High level, reduce FW flow to affected S/G

  • Verify TAVE 525°F - 540°F: YES/NO (depends on timing)

If TAVE is less than 525°F:

o ENSURE FW flow is NOT excessive o RESTORE TAVE between 525°F and 540°F using Turbine BOP Bypass Valve (preferred) or Atmospheric Steam Dump Valves

  • Verify BOTH S/G pressures 800 psia - 970 psia: YES/NO (depends on timing)

If <800 psia:

o ENSURE Turbine Bypass Valve is closed o ENSURE Atmospheric Steam Dump Valves are closed o CLOSE BOTH MSIVs: CV-0510 (AS/G) and CV-0501 (B S/G):

places one handswitch to CLOSE momentarily and back to OPEN Page 17 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 6/7/8 Page 5 of 9 Event

Description:

LOCA/Two Stuck Control Rods/Loss of D11-1 Time Position Applicant's Actions or Behavior Containment Isolation:

  • Containment pressure < 0.85 psig NO
  • Applicable Contingency Actions: (> 4 psig) o ENSURE EK-1126 (CIS Initiated) OR PUSH High Radiation Pushbuttons on Panel C-13 RO o ENSURE CLOSED: Both MSIVs (MO-0510 and MO-0501); Main FRVs; Main FRV Bypasses; CCW Isolation Valves o ENSURE EK-1342 (Safety INJ Initiated) OR PUSH left and right Injection Initiate pushbuttons on Panel EC-13 o ENSURE all available HPSI and LPSI Pumps operating with associated loop isolation valves open EVALUATOR Note: CV-0510 lights off due to loss of D11-1 and CV-0910 and CV-0940 lights off due to loss of D11-1, valves fail open Containment Isolation:
  • Verify Containment Area Monitor alarms clear and no unexplained rise: YES/NO (Depends on timing: All four in alarm, not corroborated with High Range Gamma Monitors)

BOP

  • Verify Condenser Off Gas Monitor alarm clear and no unexplained rise: YES
  • Verify Main Steam Line Monitor alarms clear and no unexplained rise: YES (EK-02 has no power, must be verified at the Radiation Monitor)

Page 18 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 6/7/8 Page 6 of 9 Event

Description:

LOCA/Two Stuck Control Rods/Loss of D11-1 Time Position Applicant's Actions or Behavior Containment Atmosphere:

  • Containment temperature < 125°F NO
  • Containment Pressure < 0.85 psig NO
  • Contingency Actions:

o ENSURE OPERATING ALL available Containment Air Cooler RO A Fans and ensure all CAC Hi Capacity outlet valves are open per EOP-1.0 immediate actions (attached)

  • At 4 psig:

o ENSURE OPEN Containment Spray Valves CV-3001 and CV-3002 (CV-3001 has no power, but fails open) o ENSURE OPERATING Containment Spray Pump P-54A, P-54B, and P-54C EVALUATOR note: CV-3001 lights off due to loss of D11-1, valve fails open Vital Auxiliaries - Water:

  • At least two SW Pumps operating: YES RO
  • BOTH Critical SW Headers in operation with pressure > 42 psig: YES
  • At least one CCW Pump operating: YES Vital Auxiliaries - Air:

RO

  • Instrument Air Pressure > 85 psig: YES Verifies right train CRHVAC in emergency mode (already placed in this mode during loss of D11-1 event):

BOP

  • V-26B Air Filter Unit Fan ON
  • ENSURES OFF V-94, Purge Fan, and V-47, Switchgear Exhaust Fan
  • May follow up with SOP-24 verification Verify BOTH of the following:

BOP

  • At least one Condensate Pump operating

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 6/7/8 Page 7 of 9 Event

Description:

LOCA/Two Stuck Control Rods/Loss of D11-1 Time Position Applicant's Actions or Behavior

  • Establishes PCS pressure and temperature bands with NCO Directs closing CV-1064 and CV-1065, CWRT vent valves (CV-1064 has no SRO power, but fails closed)

CLOSES CV-1064 and CV-1065 (already closed due to Containment BOP Isolation)

Directs performance of EOP Supplement 5, Checklist for Safeguards SRO Equipment Following SIAS BOP Completes EOP Supplement 5 and EOP Supplement 6 SRO Directs placing a Hydrogen Monitor in service in accident mode Places right train H2 monitor in service in accident mode (back of Panel C-11A):

  • PLACES HS-2418 to ACCI
  • PLACES HS-2416 to OPEN and RELEASES BOP
  • PLACES HS-2412A, HS-2412B, HS-2414A, and HS-2414B, to OPEN
  • Energizes H2 Recorder, AR-2401, by: PLACING to ON Power Switch and PLACES to ON' Chart Drive Switch
  • PLACES HS-2427R to 'ANALYZE' position
  • REMOVES pen caps from chart pens SRO Directs SE to perform EOP-9.0 SFSCs Page 20 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 6/7/8 Page 8 of 9 Event

Description:

LOCA/Two Stuck Control Rods/Loss of D11-1 Time Position Applicant's Actions or Behavior Determines success paths for each safety function:

  • Reactivity: RC-3
  • Maintenance of Vital Auxiliaries-Electric: DC-1, AC-1
  • PCS Pressure: PC-3
  • PCS/Core Heat Removal: HR-2
  • Containment Isolation: CI-1
  • Containment Atmosphere: CA-3
  • Maintenance of Vital Auxiliaries-Air: MVAW-1, MVAA-1 Directs actions from HR-2:
  • Perform EOP Supplement 4, SI flow verification (SE action)
  • May secure Emergency Boration SRO
  • Commence a cooldown of PCS using ADVs o CV-0779 and 0781 fail closed due to loss of D11-1
  • Verify natural circulation exists Performs cooldown:
  • HIC-0780A, Steam Dump Controller, MANUAL pushbutton RO PUSHED
  • Slidebar taken to the OPEN position
  • MONITORS S/G pressures and cooldown rate on PPC Page 21 of 22

Appendix D Required Operator Actions Form ES-D-2 Op-Test No.: 1 Scenario No.: TWO Event No.: 6/7/8 Page 9 of 9 Event

Description:

LOCA/Two Stuck Control Rods/Loss of D11-1 Time Position Applicant's Actions or Behavior SRO May direct use of PZR Auxiliary Spray to lower PCS pressure Refers to EOP Supplement 37, PZR Pressure Control Using Auxiliary Spray:

  • ENSURE CV-1057 and CV-1059 switches in CLOSE
  • ENSURE at least one charging pump in operation RO
  • ENSURE OPEN HS-2111, Charging Line Stop
  • ENSURE CLOSED MO-3072, Charging Pump Discharge to Train 2
  • OPERATE HS-2117, Aux. Spray CV-2117 keyswitch as desired Directs placing handswitches for Letdown Orifice Stop Valves to close (if not SRO already performed from loss of D11-1 event).

PLACES handswitches to CLOSE (if not already performed from loss of D11-1 event):

RO

  • HS-2003 (CV-2003)
  • HS-2004 (CV-2004)
  • HS-2005 (CV-2005)

SRO: Emergency Classification Level: FA1.1 due to potential loss of PCS due to > 50 gpm PCS leak.

TERMINATE Scenario at the discretion of the Lead Examiner.

Page 22 of 22

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