ML13070A407

Proposed Scenarios

ML13070A407
Person / Time
Site:	Palisades
Issue date:	03/11/2013
From:	Walton R NRC/RGN-III/DRS/OLB
To:
References
Download: ML13070A407 (40)

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 No.

Malf.

No.

Event Type*

Event Description 1

N/A BOP (N)

Alternate operating CCW pumps 2

MS09B BOP (C)

SRO (C)

CV-0511, Turbine Bypass Valve Controller fails high; requires manual action to terminate steam demand (ONP-9) 3 ED45A SRO (T)

D/G 1-1 inoperable (local overspeed trip device broken) 4 CW01A SRO (C, T)

BOP (C)

RO (R)

P-39A, Cooling Tower Pump, trips (ONP-14) and rapid downpower (ONP-26) 5 RX23B SRO (I)

RO (I)

TYT-0200, TAVE/TREF Controller, Power Failure (ONP-13) 6 MS03A SRO (C)

RO (C)

A S/G Main Steam Line Leak inside Containment (small requiring a manual reactor trip) 7 MS03A ALL (M)

ESDE inside Containment (ramped in at time of trip) (EOP-6.0) 8 CH05A CH05B RO (I)

CHP Channels Auto Initiate Failure

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

Page 2 of 18 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 Trigger #

Instructions 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 6

REMOTE 5 MS03A (PIDMS01) A S/G Main Steam Line Break Inside Containment; 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 3 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.

Appendix D Required Operator Actions Form ES-D-2 Page 4 of 18 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.

BOP Places P-52C in standby:

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

When directed by the Lead Examiner, INSERT REMOTE #1

Appendix D Required Operator Actions Form ES-D-2 Page 5 of 18 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 SRO BOP RO Diagnoses Turbine Bypass Valve has failed open:

Notes TAVE lowering Power rising Steam flow rising May observe GREEN/RED status light change on C-01 for TBV position Fail light on PIC-0511 lit 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)

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

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

(Not required if TBV is manually closed.)

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

Appendix D Required Operator Actions Form ES-D-2 Page 6 of 18 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 BOP Respond to alarms:

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).

SRO Determines the following Tech Spec Actions apply 3.8.1.B.1: Directs offsite source check within 1-hour 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

Appendix D Required Operator Actions Form ES-D-2 Page 7 of 18 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 BOP/SRO Diagnoses that P-39A has tripped:

EK-3522, "CLG TWR PUMP P-39A TRIP" P-39A red light OUT, green light ON P-39A ammeter reads ZERO Possible lowering trend on Main Condenser vacuum.

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

Reviews trip criteria of ONP-14 Reviews trip criteria of ONP-26 SRO/RO/

BOP Initiate a rapid downpower to approximately < 55% at a rate of 300% per hour, as directed by ONP-14 and as controlled by ONP-26, Rapid Downpower.

RO INSERTS Group 4 Control Rods 10 inches:

Rod Control Switch operated to INSERT Group 4 control rods 10 inches BOP 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:

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

Appendix D Required Operator Actions Form ES-D-2 Page 8 of 18 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 RO 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 SET quantity and batch flow limit on FIC-0210A, PMW flow controller START P-56B (preferred) OR P-56A, Boric Acid Pump 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.

SRO Refers to and implements the following Tech Spec LCOs:

3.1.6.A, 2-hour action to restore rods above PDIL BOP 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 ENSURE OPEN Dilution Water Pump Discharge to Cooling Towers, MO-5313 and MO-5315 ENSURE CLOSED Cooling Tower Blowdown Valve, MO-5326A May throttle closed 'B' Cooling Tower Condenser Inlet, MO-5302, to lower level in the 'B' Cooling Tower

Appendix D Required Operator Actions Form ES-D-2 Page 9 of 18 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 RO 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:

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 BOP May place one Main FW pp. to MANUAL at minimum speed per SRO direction.

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

Appendix D Required Operator Actions Form ES-D-2 Page 10 of 18 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 RO/BOP 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 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 SRO Enters ONP-13, TAVE /TREF Controller Failure DIRECTS AVG TEMP DISPLAY SELECT Switch on Panel C-02 to LOOP 1 position RO PLACES AVG TEMP DISPLAY SELECT Switch on Panel C-02 to LOOP 1 position ENSURES Pressurizer Level Control program level and Charging/Letdown components return to normal programmed level operation SRO 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 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.

Appendix D Required Operator Actions Form ES-D-2 Page 11 of 18 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 SRO/RO/BOP Diagnose ESDE Inside Containment:

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

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 RO/BOP No Operator actions apply for EK-1148, EK-1344, EK-1346, and EK-1362, for ESDE SRO Enters ONP-9, Excessive Load 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

Appendix D Required Operator Actions Form ES-D-2 Page 12 of 18 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 RO 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 ENSURE closed FRVs and FRV Bypass Valves 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 OPEN Containment Spray Valves, CV-3001/3002 START Containment Spray Pumps, P-54A/B/C (CRITICAL TASK PL-000 433 05 01)

SRO Commence EOP-1.0 verbal verifications.

RO Reactivity Control:

Reactor power lowering YES negative SUR YES maximum of one control rod not inserted YES BOP Main Turbine Generator criteria:

Main Turbine tripped YES Generator disconnected from grid YES

Appendix D Required Operator Actions Form ES-D-2 Page 13 of 18 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 BOP Feedwater criteria:

PLACES MFP Controller to MANUAL and RAMPS to minimum speed: YES (However, MSIVs are closed due to no steam to MFPs)

Main FRV and B/Ps CLOSED YES BOP Vital Auxiliaries-Electric:

Buses 1C and 1D energized: YES Bus 1E energized: NO (if SIS present)

Bus 1A and 1B energized: YES Y-01 energized: YES Six DC Buses energized: YES 3 of 4 Preferred AC Buses energized: YES RO PCS Inventory Control:

PZR level 20% - 85% and trending toward 42% - 57% NO Applicable Contingency Actions:

o Ensure all orifice stop valves are closed o

Ensure all available charging pumps are operating PCS 25°F subcooled YES RO 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 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)

Appendix D Required Operator Actions Form ES-D-2 Page 14 of 18 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 RO 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) 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 BOP 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 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

Appendix D Required Operator Actions Form ES-D-2 Page 15 of 18 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 BOP 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 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 RO 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) 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)

BOP Containment Isolation:

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

Verify Condenser Off Gas Monitor alarm clear: YES Verify Main Steam Line Monitor alarms clear: YES

Appendix D Required Operator Actions Form ES-D-2 Page 16 of 18 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 RO Containment Atmosphere:

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

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)

RO Vital Auxiliaries - Water:

Verify at least two Service Water Pumps operating YES Verify BOTH Critical SW Header Pressures greater than 42 psig YES Verify at least one CCW Pump operating YES RO Vital Auxiliaries - Air:

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

At least one Condensate Pump operating At least one Cooling Tower Pump operating

Appendix D Required Operator Actions Form ES-D-2 Page 17 of 18 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 BOP PLACES LEFT train CRHVAC in emergency mode:

STARTS V-26A, Air Filter Unit Fan 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)

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

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

SRO Performs EOP-1.0, attachment 1, Event Diagnostic Flow Chart 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 RO Begins steaming B S/G:

HIC-0780A, Steam Dump Controller, MANUAL pushbutton PUSHED 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

Appendix D Required Operator Actions Form ES-D-2 Page 18 of 18 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 RO Commences emergency boration (may have been automatically started by Safety Injection actuation):

STARTS Boric Acid Feed Pumps, P-56A/B OPENS Pumped Feed Valve, MO-2140 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 BOP/RO CLOSES Letdown orifice isolation valves on Panel C-02:

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

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

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 No.

Malf.

No.

Event Type*

Event Description 1

N/A SRO (N)

BOP (N)

Synchronize Turbine to Grid 2

N/A SRO (N)

RO (R)

BOP (N)

Raise power to 25% at 12%/hr 3

RM08G SRO (T)

RO (C)

RIA-1811, West ESG Rm Ventilation Radiation Monitor failure 4

P-40A-1 SRO (C, T)

BOP (C)

P-40A, Dilution Water Pump, trip/breaker failed 5

ED38A SRO (C)

RO (C)

BOP (C)

D11-1, DC Bus, fuse failure (ONP-2.3) 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

Page 2 of 22 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 Trigger #

Instructions 1

No actions required.

2 No actions required.

3 REMOTE 1 RM08G (PID RM04) Low Rad West Eng SFGD Vent Monitor RIA-1811 4

REMOTE 2 P-40A-1 (DWS P-40A Selector Stop) to ON (= trips P-40A)

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 3 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.

Appendix D Required Operator Actions Form ES-D-2 Page 4 of 22 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 SRO Directs establishing prior to synchronization conditions per GCL-4 step 4.2:

Reactor Power 13% power TAVE 540°F PIC-0511, TBV Controller output signal > 55% (preferred 75%)

Specifies amount of Control Rod movement allowed to RO RO Manipulates Control Rods to establish pre-synchronization conditions:

Operates Rod Control Switch to WITHDRAW Group 4 Regulating 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.

BOP 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, 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

Appendix D Required Operator Actions Form ES-D-2 Page 5 of 22 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 BOP Synchronizes T/G to grid as follows:

ENSURE OPEN 25F7, Generator Output Breaker ENSURE OPEN 25H9, Generator Output Breaker ENSURE CLOSED MOD-26H5, Main Transformer Line Disconnect 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) targets indicate RED)

TURN 425-25F7SS, ACB 25F7 Synchronizing Switch to OFF.

ENSURE Generator is loaded to at least 20 MW VERIFY CLOSING of Turbine Bypass Valve on PIC-0511, Turbine Bypass Control 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.

Appendix D Required Operator Actions Form ES-D-2 Page 6 of 22 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.

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

ENTERS setter value SELECTS rate of 12% per hour PUSHES GO pushbutton and observes white light illuminate Informs CRS/RO that turbine is in GO RO 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 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

Appendix D Required Operator Actions Form ES-D-2 Page 7 of 22 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 BOP Starts Cooling Tower Fans as necessary o

PUSH individual button for desired fan (s) o PUSH START Command Button on selected fan controls 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.)

BOP Directs AO to vent Hydrogen Coolers at about 15% power (if time 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).

Appendix D Required Operator Actions Form ES-D-2 Page 8 of 22 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 RO INFORMS the SRO of alarms:

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

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

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

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

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 SRO 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 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

Appendix D Required Operator Actions Form ES-D-2 Page 9 of 22 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 BOP SRO Diagnoses Dilution Water Pump P-40A trip:

P-40A red light OFF, green light OFF, white light OFF P-40A amps are ZERO Notes A Cooling Tower level lowering EK-3518, Dilution Wtr Pump P-40A Trip BOP THROTTLE OPEN MO-5305 (Cooling Tower Pp. P-39A discharge) to maintain cooling tower basin level.

BOP 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 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.

Appendix D Required Operator Actions Form ES-D-2 Page 10 of 22 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 SRO RO BOP Respond to numerous alarms May enter Transient alarm response Key alarms:

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

CV-0510 Pos. Ind. Lights OFF K-7A Trip Power Light ON Bus 1A "Control Power" Light OFF RO IF necessary or desired to shutdown P-8B, THEN direct AO to MANUALLY 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.

RO ENSURE CLOSED the following Letdown Orifice Stop Valves:

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

Appendix D Required Operator Actions Form ES-D-2 Page 11 of 22 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 RO 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:

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

Appendix D Required Operator Actions Form ES-D-2 Page 12 of 22 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 SRO Direct more frequent monitoring of the following:

MFW Suction Pressure T-5, Moisture Separator and Heater Drain Tank, level P-10A and P-10B, Heater Drain Pumps BOP 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:

ENSURE OFF Purge Fan V-94 ENSURE OFF Switchgear Exhaust Fan V-47 SRO Conduct Crew Brief for loss of D11-1 affects and potential future contingency 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.

Appendix D Required Operator Actions Form ES-D-2 Page 13 of 22 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 SRO RO BOP Diagnose PCS leak:

Indications from PPC:

Containment Gas Radiation Monitor rising Containment Sump level rising Containment Sump fill rate rising 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)

SRO Enters ONP-23.1 PCS Leak Determines that PCS leak rate is greater than 10 gpm Directs a reactor trip RO TRIPS reactor by depressing reactor trip pushbutton at Panel C-02.

(CRITICAL TASK PL-343 223 05 01)

RO/BOP Perform EOP-1.0 immediate actions

Appendix D Required Operator Actions Form ES-D-2 Page 14 of 22 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 BOP Informs SRO that Main Generator is not disconnected from grid, CONTINGENCY ACTION:

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.

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

Commences emergency boration 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 RO Reactivity Control:

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

(Emergency Boration is in progress)

Appendix D Required Operator Actions Form ES-D-2 Page 15 of 22 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 BOP Main Turbine Generator criteria:

Main Turbine tripped: YES Generator disconnected from grid: YES, but Contingency Action taken to trip generator breakers due to loss of D11-1 BOP Feedwater criteria:

PLACES Main FWP Controllers to MANUAL and RAMPS to minimum speed: YES PLACES Main FW Controllers to MANUAL, Main FRV and B/Ps CLOSED: YES BOP Main Vital Auxiliaries-Electric:

Buses 1C and 1D energized: YES Bus 1E energized: NO (due to SIAS)

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 RO PCS Inventory Control:

PZR level 20% - 85% and trending toward 42% - 57%: YES/NO (depends on conditions)

Contingency Action o

Verify max Charging and min Letdown PCS 25°F subcooled: YES/NO (Depends on timing: by TCs )

No Contingency Actions

Appendix D Required Operator Actions Form ES-D-2 Page 16 of 22 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 RO 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 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 RO Core Heat Removal:

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

Appendix D Required Operator Actions Form ES-D-2 Page 17 of 22 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 BOP 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 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

Appendix D Required Operator Actions Form ES-D-2 Page 18 of 22 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 RO 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 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 BOP 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)

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)

Appendix D Required Operator Actions Form ES-D-2 Page 19 of 22 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 RO Containment Atmosphere:

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

o ENSURE OPERATING ALL available Containment Air Cooler 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 RO Vital Auxiliaries - Water:

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

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

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 BOP Verify BOTH of the following:

At least one Condensate Pump operating At least one Cooling Tower Pump operating

Appendix D Required Operator Actions Form ES-D-2 Page 20 of 22 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 SRO Performs Event Diagnostic Flow Chart per EOP-1.0, Attachment 1 o

Diagnoses EOP-9.0, Functional Recovery Procedure, LOCA and two stuck control rods Performs EOP-9.0 strategy brief Establishes PCS pressure and temperature bands with NCO SRO Directs closing CV-1064 and CV-1065, CWRT vent valves (CV-1064 has no power, but fails closed)

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

SRO Directs performance of EOP Supplement 5, Checklist for Safeguards Equipment Following SIAS BOP Completes EOP Supplement 5 and EOP Supplement 6 SRO Directs placing a Hydrogen Monitor in service in accident mode BOP 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 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

Appendix D Required Operator Actions Form ES-D-2 Page 21 of 22 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 SRO Determines success paths for each safety function:

Reactivity: RC-3 Maintenance of Vital Auxiliaries-Electric: DC-1, AC-1 PCS Inventory: IC-2 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 SRO Directs actions from HR-2:

Perform EOP Supplement 4, SI flow verification (SE action)

May secure Emergency Boration Commence a cooldown of PCS using ADVs o

CV-0779 and 0781 fail closed due to loss of D11-1 Verify natural circulation exists RO Performs cooldown:

HIC-0780A, Steam Dump Controller, MANUAL pushbutton PUSHED Slidebar taken to the OPEN position MONITORS S/G pressures and cooldown rate on PPC

Appendix D Required Operator Actions Form ES-D-2 Page 22 of 22 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 RO 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 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 SRO Directs placing handswitches for Letdown Orifice Stop Valves to close (if not already performed from loss of D11-1 event).

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

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.