Revision as of 14:08, 7 July 2018

Text

Rev 2 to EOP FR-H.4, Response to Loss of Normal Steam Release Capabilities.
	ML17263A273
Person / Time
Site:	Ginna
Issue date:	04/21/1993
From:	MARLOW T A; ROCHESTER GAS & ELECTRIC CORP.
To:	;
Shared Package
ML17263A269	List: ML17263A268; ML17263A270; ML17263A271; ML17263A272; ML17263A273; ML17263A274; ML17263A275; ML17263A276;
References
	FR-H.4, NUDOCS 9305140053
	Download: ML17263A273 (84)
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EOP: FR-H.4 TITLE: RESPONSE TO LOSS OF NORMAL STEAM RELEASE CAPABILITIES REV: 2 PAGE 1 of 5 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER TECHNICAL REVIEW PORC REVIEW DATE PLANT SUPERINTENDENT EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY: 9305140053 930422 PDR'DOCN, 05000244 F..PDR i V EOP: FR-H.4 TITLE: RESPONSE TO LOSS OF NORMAL STEAM RELEASE CAPABILITIES REV: 2 PAGE 2 of 5 A.PURPOSE-This procedure provides actions to respond to a failure of the S/G ARVs and Condenser Dump Valves.B.ENTRY CONDITIONS/SYMPTOMS 1.ENTRY CONDITIONS

-This procedure is entered from F-0.3, HEAT SINK Critical Safety Function Status Tree on a YELLOW condition.

EOP: FR-H.4 TITLE: RESPONSE TO LOSS OF NORMAL STEAM RELEASE CAPABILITIES REV: 2 PAGE 3 of 5 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*****************************************CAUTION IF AFFECTED S/G(S)NARROW RANGE LEVEL INCREASES TO GREATER THAN 90%[85%ADVERSE CNMT], THEN STEAM SHOULD NOT BE RELEASED FROM THE AFFECTED S/G(S).NOTE: o Throughout this procedure,"affected" refers to any S/G in which pressure is greater than 108S psig.o Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+R/hr.1 Try To Restore Normal Steam Release Capability Of Affected S/G(s): a.Check if condenser available o Affected S/G MSIV(s)-OPEN o Either CW pump-RUNNING o Condenser vacuum-GREATER THAN 20 INCHES HG b.Operate condenser steam dump manually: 1)Place steam dump mode selector to MANUAL a.Perform the following 1)Place affected S/G(s)ARV controller to manual and attempt to open ARV.IF S/G ARV(s)can NOT be opened, THEN dispatch AO to check nitrogen supply to ARVs.2)Go to Step 2.2)Place condenser steam dump controller to MANUAL 3)Open steam dump valves as required

EOP S FR-H.4 TITLE$RESPONSE TO LOSS OF NORMAL STEAM RELEASE CAPABILITIES REV: 2 PAGE 4 of 5 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 2 Check RCP Status: a.RCPs-BOTH RUNNING b.Stop RCP in affected loop a.Go to Step 3.3 Check S/G Pressures-LESS THAN 1085 PSIG Perform the following:

a.Manually open affected S/G(s)TDAFW pump steam supply valves~S/G A, MOV-3505A~S/G B, MOV-3504A b.Dispatch AO to perform the following:

1)Open affected S/G MSIV bypass valve.2)Open priming air e)ector steam isolation valves'V-3580~V-3581 c.Local operation of affected S/G ARV may be attempted.(Establish communications with control room.)

EOP: FR-H.4 TITLE: RESPONSE TO LOSS OF NORMAL STEAM RELEASE CAPABILITIES REV: 2 PAGE 5 of 5 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 4 Return To Procedure And Step In Effect-END-

EOP: FR-I.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV 5 PAGE 1 of 12 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER TECHNICAL REVIEW PORC REVIEW DATE PLANT SUPERINTENDENT EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY:

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EOP: FR-I.1 LITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV 5 PAGE 2 of 12 A.PURPOSE-This procedure provides actions to respond to a high PRZR level.B.ENTRY CONDITIONS/SYMPTOMS l.ENTRY CONDITIONS

-This procedure is entered from: a.F-0.6, INVENTORY Critical Safety Function Status Tree on a YELLOW condition.

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FR-I.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV'PAGE 3 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+R/hr.1 Check RCS Hot Leg Temperature STABLE OR DECREASING Dump steam from intact S/G(s)to stabilize RCS temperature.

2 Verify Adequate SW Flow: a.At least three SW pumps-RUNNING b.Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-1)a.Manually start pumps as power supply permits (258 kw each).IF less than two SW pumps can be operated, THEN perform the following:

1)Ensure SW isolation 2)Go to Step 7.c.Verify AUX BLDG SW isolation valves-AT LEAST ONE SET OPEN~MOV-4615 and MOV-4734~MOV-4616 and MOV-4735 c.Establish SW to AUX BLDG.(Refer to Attachment AUX BLDG SW.)d.Verify CNMT RECIRC fans annunciator C-2, HIGH TEMPERATURE ALARM-EXTINGUISHED d.Dispatch AO to locally throttle flow to CCW Hx to between 5000 gpm and 6000 gpm total flow.

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EOP: FR-X.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV: 5 PAGE 4 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 3 Establish IA to CNMT: a.Verify non-safeguards busses energized from offsite power o Bus 13 normal feed-CLOSED a.Perform the following:

1)Close non-safeguards bus tie breakers:-OR-o Bus 15 normal feed-CLOSED~Bus 13 to Bus 14 tie~Bus 15 to Bus 16 tie 2)WHEN bus 15 restored, THEN reset control room lighting.b.Verify SW isolation valves to turbine buildl'ng-OPEN~MOV-4613 and MOV-4670~MOV-4614 and MOV-4664 b.Manually align valves'.Verify at least two air compressors

-RUNNING d.Check IA supply: o Pressure-GREATER THAN 60 PSIG o Pressure-STABLE OR INCREASING c.Manually start air compressors as power supply permits (75 kw each).IF air compressors can NOT be started, THEN dispatch AO to locally reset compressors as necessary.

d.Perform the following:

1),Continue attempts to restore IA (Refer to AP-IA.1, LOSS OF INSTRUMENT AIR).2)Continue with Step 7.WHEN IA restored, THEN do Steps 3e and f.e.Reset both trains of XY relays for IA to CNMT AOV-5392 f.Verify IA to CNMT AOV-5392-OPEN rre r EOP: FR-I.1 iITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV'PAGE 5 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED**x*x**xx**xxx*xP*xxx*xxx****************

CAUTION CHARGING AND LETDOWN FLOW SHOULD BE CAREFULLY CONTROLLED TO AVOID SUDDEN RCS PRESSURE CHANGES SINCE THE PRZR MAY BE WATER SOLID.x******x k x x x x x x x*x x x******x x x x***********

4 Check If Normal CVCS Operation Can Be Established a.Verify IA restored: o IA to CNMT (AOV-5392)

-OPEN a.Continue with Step 7.WHEN IA restored, THEN do Steps 4 through 6.o IA pressure-GREATER THAN 60 PSIG b.CCW pumps-ANY RUNNING b.Perform the following:

1)IF any RCP¹1 seal outlet temperature offscale high, THEN isolate CCW to thermal barrier of affected RCP(s).~RCP A, MOV-749A and MOV-759A~RCP B, MOV-749B and MOV-759B c.Verify instrument bus D ENERGIZED 2)Manually start one CCW pump.c.Energize MCC B.IF MCC B NOT available, THEN perform the following:

1)Verify MCC A energized.

2)Place instrument bus D on maintenance supply.

Jt It/W g!a kg%lgt T I ti*<<II, 1 EOP: FR-I.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV 5 PAGE 6 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 5 Check If Seal Return Flow Should Be Established:

a.Verify RCP¹1 seal outlet temperature

-LESS THAN 235'F b.Verify RCP seal outlet valves OPEN=~AOV-270A~AOV-270B a.Go to Step 7.b.Manually open valves as necessary.

c.Reset both trains of XY relays for RCP seal return isolation valve MOV-313 d.Open RCP seal return isolation valve MOV-313 d.Perform the following:

1)Place MOV-313 switch to OPEN.e.Verify RCP¹1 seal leakoff flow LESS THAN 5.5 GPM 2)Dispatch AO with key to RWST gate to locally open MOV-313.e.IF any RCP seal leakoff flow greater than 5.5 gpm THEN: o Close the affected RCP seal discharge'valve~RCP A, AOV-270A~RCP B, AOV-270B o Trip the affected RCP f.Verify RCP¹1 seal leakoff flow'REATER THAN 0.25 GPM IF both RCP seal discharge valves are shut, THEN go to Step 7.f.Refer to AP-RCP.1, RCP SEAL MALFUNCTION.

vs'>'p II%1~lI W I ff EOP: FR-I.1 RESPONSE TO HIGH PRESSURIZER LEVEL REV 5 PAGE 7 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 6 Check Normal Letdown-IN SERVICE Establish excess letdown as follows: o Place AOV-312 to NORMAL o Ensure CCW from excess letdown, (AOV-745).

o Open excess letdown isolation valve AOV-310.o Slowly open HCV-123 to maintain excess letdown.temperature less than 195'F and pressure less than 100 psig.

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EOP: FR-I.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV: 5 PAGE 8 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 7 Check If Charging Flow Has Been Established:

a.Charging pumps-ANY RUNNING a.Perform the following:

-1)IF CCW flow is lost to any RCP thermal barrier OR any RCP¹1 seal outlet temperature offscale high, THEN dispatch AO with key to RWST gate to locally close seal injection needle valve(s)to affected RCP:~RCP A, V-300A~RCP B, V-300B 2)Ensure HCV-142 open, demand at 0%.b.Charging pump suction aligned to RWST: o LCV-112B-OPEN o LCV-112C-CLOSED b.Manually align valves as necessary.

IF LCV-112B can NOT be opened, THEN perform the following:

1)Verify charging pump A NOT running and'lace in PULL STOP.2)=Dispatch AO to locally open manual charging pump suction from RWST (V-358 located in charging pump room).3)WHEN V-358 open, THEN direct AO to close V-268 to isolate charging, pumps B and C from VCT (V-268 located in charging pump room).c.Start charging pumps as necessary and adjust charging flow to restore PRZR level P.~I t 4 il EOP: FR-I.l TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV 5 PAGE 9 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 8 Check Normal Letdown-IN SERVICE Establish Normal Letdown: a.Establish charging flow to REGEN Hx greater than 20 gpm.b.Place the following switches to CLOSE:~Letdown orifice valves (AOV-200A, AOV-200B, and AOV-202)~AOV-427, loop B cold leg to REGEN Hx~AOV-371, letdown isolation valves c.Place letdown controllers TCV-130 and PCV-135 in MANUAL at 40%open~TCV-130~PCV-135 d.Reset both trains of XY relays for AOV-371 and AOV-427 e.Open AOV-371 and AOV-427 f.Open letdown orifice valves as necessary g.Place TCV-130 in AUTO at 105'F h.Place PCV-135 in AUTO at 250 psig i.Adjust charging pump speed and HCV-142 as necessary j.WHEN normal letdown in service, THEN secure excess letdown.o Close excess letdown flow control valve, HCV-123.o Close excess letdown isolation valve, AOV-310.

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EOP: FR-I.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV: 5 PAGE 10 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 9 Check PRZR Pressure: a.Pressure-LESS THAN 2335 PSIG b.Pressure-LESS THAN 2260 PSIG a.Verify at least one PRZR PORV and block valve open.IF NOT, THEN open one PORV and block valve as necessary until pressure less than 2335 psig.IF IA NOT available, THEN refer to Attachment N2 PORVS to operate PORVs.b.Control charging and letdown flow as necessary to decrease PRZR pressure to less than 2260 psig.10 Verify PRZR PORVs-CLOSED Manually close PORVs.IF any valve can NOT be closed, THEN manually close its block valve.ll Restore PRZR To Saturation Conditions:

a.Verify letdown-IN SERVICE b.Energize PRZR heaters a.Do NOT energize PRZR heaters.Continue with Step 13.WHEN letdown established, THEN energize PRZR heaters.

"~'i'+C" 1 no.zf 4O EOP: FR-I.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV'PAGE 11 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 12 Check PRZR Spray Valves: a.Auxiliary spray valve (AOV-296)CLOSED a.Manually close auxiliary spray valve.IF valve can NOT be closed, THEN perform the following:

1)Establish excess letdown (Refer to Step 6).2)Close loop B cold leg to REGEN Hx (AOV-427).

3)Ensure HCV-142 demand at 0%.b.Verify normal PRZR spray valve controllers

-DEMAND AT 0%b.Place controllers in manual at 0%demand.NOTE: PRZR temperature at which bubble should form may be determined from steam table.13 Control Charging And Letdown Flow As Necessary To Maintain RCS Pressure Stable 14 Check PRZR level-LESS THAN 87~a Perform the following:

a.Consult TSC to determine if RCPs should be stopped to isolated failed spray valve.b.Return to Step 13.

'I 4 1" EOP: FR-I F 1 RESPONSE TO HIGH PRESSURIZER LEVEL REV 5 PAGE 12 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 15 Return To Procedure And Step In Effect-END-

EOP: FR-I.1 RESPONSE TO HIGH PRESSURIZER LEVEL REV: 5 PAGE 1 of 1 FR-I.1 APPENDIX LIST TITLE PAGES 1)ATTACHMENT N2 PORVS 2)ATTACHMENT SD-1 3)ATTACHMENT AUX BLDG SW gl'I EOP: FR-P.1 T!TLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 1 of 21 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER TECHNICAL REVIEW PORC REVIEW DATE 4'PLA SUPERINTENDENT EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY:

4*l+~d" X?'k EOP: FR-P.1 TlTLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 2 of 21 A.PURPOSE-This procedure provides actions to avoid, or limit, thermal shock or pressurized thermal shock to the reactor pressure vessel, or overpressure conditions at low temperature.

B.ENTRY CONDITIONS/SYMPTOMS 1.ENTRY CONDITIONS

-This procedure is entered from: a.F-0.4, INTEGRITY Critical Safety Function Status Tree, on either a RED or ORANGE condition.

4 I>I"'P0 W i*'(+IS"p@~w EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10~PAGE 3 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+" R/hr.1 Check RCS Pressure-GREATER THAN 250 PSIG t'465 PSIG adverse CNMT]IF RHR flow greater than 475 gpm, THEN return to procedure and step in effect.

t pP pq 8~a EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION.

REV 10 PAGE 4 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: A faulted S/G is any S/G that is depressurizing in an uncontrolled manner or is completely depressurized.

2 Check RCS Cold Leg Temperatures

-STABLE OR INCREASING Try to stop RCS cooldown: a.Ensure S/G ARVs closed.,b.Close both S/G MSIVs.c.Ensure MFW flow control valves closed.~MFW regulating valves~MFW bypass valves d.Ensure MFW pumps tripped.e.Rotate reheater steam supply controller cam to close reheater steam supply valves.f.IF S/G pressure less than condensate pressure, THEN stop all condensate pumps.g.IF RHR system in service, THEN stop any cooldown from RHR system.h.Control total feed flow to non-faulted S/G(s)greater than 200 gpm until narrowrange level greater than 5%[25%adverse CNMT]in at least one non-faulted S/G.WHEN S/G level greater than 5%[25%adverse CNMT]in one non-faulted S/G, THEN limit feed flow to stop RCS cooldown.This Step continued on the next page.

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EOP: FR-P.1 TlTLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 5 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED (Step 2 continued from previous page)i.Minimize cooldown from faulted S/G(s): 1)Close faulted S/G(s)TDAFW pump steam supply valve(s).~S/G A, MOV-3505A~S/G B, MOV-3504A 2)IF both S/G(s)faulted, THEN control feed flow at 50 gpm to each S/G.3)IF any S/G NOT faulted, THEN isolate all feedwater to faulted S/G unless necessary for RCS temperature control.IF a faulted S/G is necessary for RCS temperature control, THEN control feed flow at 50 gpm to that S/G.3 Check PRZR PORV Block Valves: a.Power to PORV block valves AVAILABLE b.Block valves-AT LEAST ONE OPEN a.Restore power to block valves unless block valve was closed to isolate an open PORV:~MOV-515, MCC C position 6C~MOV-516, MCC D position 6C b.Open one block valve unless it was closed to isolate an open PORV.IF at least one block valve can NOT be opened, THEN dispatch AO to locally check breaker.~MOV-515, MCC C position 6C~MOV-516, MCC D position 6C 1 0/kgb'l 4s1 pL 4<<t EOP: FR-P.1 LITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 6 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*x*****>*x*x x s x w w x x x x w 0 w**0 w x x***********

CAUTION IF ANY PRZR PORV OPENS BECAUSE OF HIGH PRZR PRESSURE, THEN STEP 4 SHOULD BE PERFORMED AFTER PRESSURE DECREASES TO LESS THAN THE APPLICABLE PORV SETPOINT.**x******x*xxxxxxxxxxxxx'xxx*x**x*********

4 Check PRZR PORV Status: a.Check Reactor Vessel Overpressure Protection System-IN SERVICE a.Go to Step 4d.b.Check RCS pressure-LESS THAN 410 PSIG b.Perform the following:

1)Ensure at least one PRZR PORV open.2)Continue with Step 5.WHEN pressure less than setpoint, THEN do Step 4e.c.Go to Step 4e d.PRZR pressure-LESS THAN 2335 PSIG d.Perform the following:

1)Ensure at"least one PRZR PORV open.2)Continue with Step 5.WHEN pressure less than setpoint, THEN do Step 4e.e.Verify PRZR PORVs-CLOSED e.Manually close valve.IF any valve can NOT be closed, THEN manually close its block valve.

gt EOP: FR-PE 1 T l 1'LE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 7 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 5 Check SI Pumps-ANY RUNNING Go to Step 13.6 Check If SI Can Be Terminated:

o RCS subcooling based on core exit T/Cs-GREATER THAN 50'F USING FIGURE MIN SUBCOOLING o Check RVLIS indication:

o Level (no RCPs)-GREATER THAN 68%[73%adverse CNMTj-OR-o Fluid fraction (any RCP running)-GREATER THAN 80%Do NOT stop SI pumps.Perform the following.'.

IF RCS subcooling based on core exit T/Cs greater than O'F using Figure MIN SUBCOOLING and no RCP running, THEN attempt to start an RCP: 1)Establish conditions for starting an RCP: o Bus 11A or 11B energized o Refer to Attachment RCP START 2)IF conditions established, THEN start one RCP.b.Go to Step 26.*******4*****x x*********4****************

CAUTION IF OFFSITE POWER IS LOST AFTER.SI RESET, THEN SELECTED SW PUMPS AND ONE CCW PUMP WILL AUTO START ON EMERGENCY D/G.MANUAL ACTION WILL BE REQUIRED TO RESTART SAFEGUARDS EQUIPMENT.

x x P P************************

7 Reset SI V"Elle g~Cg I&i EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 8 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 8 Stop SI And RHR Pumps And Place In AUTO 9 Reset CI: a.Depress CI reset pushbutton b.Verify annunciator A-26, CNMT ISOLATION-EXTINGUISHED b.Perform the following:

1)Reset SI.2)Depress CI reset pushbutton.

10 Verify Adequate SW Flow: a.Check at least two SW pumps RUNNING a.Manually start SW pumps as power supply permits (258 kw each).IF less than two SW pumps running, THEN perform the following:

1)Ensure SW isolation.

2)Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-l).b.Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-1)3)Go to Step 12.WHEN adequate SW available, THEN do Step 11.

~il'aQ EOP: FR-P.1 T I 1'LE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 9 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 11 Establish IA to CNMT: a.Verify non-safeguards bussesenergized from offsite power o Bus 13 normal feed-CLOSED-OR-o Bus 15 normal feed-CLOSED b;Verify SW isolation valves to turbine building-OPEN~MOV-4613 and MOV-4670~MOV-4614 and MOV-4664 c.Verify at least two air compressors

-RUNNING d.Check IA supply: o Pressure-GREATER THAN 60 PSIG o Pressure-STABLE OR INCREASING e.Reset both trains of XY relays for IA to CNMT AOV-5392 f.Verify IA to CNMT AOV-5392-OPEN a.Perform the following:

1)Close non-safeguards bus tie breakers:'

Bus 13 to Bus 14 tie~Bus 15 to Bus 16 tie 2)Verify adequate emergency D/G capacity to run air compressors (75 kw each).IF NOT, THEN evaluate if CNMT RECIRC fans should be stopped (Refer to Attachment CNMT RECIRC FANS).3)WHEN bus 15 restored, THEN reset control room lighting.b.Manually align valves.c.Manually start air compressors

's power supply permits (75 kw each).IF air compressors can NOT be started, THEN dispatch AO to locally reset compressors as necessary.

d.Perform the following:

1)Continu'e attempts to restore IA (Refer to AP-IA.1, LOSS OF INSTRUMENT AIR).2)Continue with Step 12.WHEN IA restored, THEN do Steps lie and f.

'4'4 , R!f-'~~v'P rc t 4 EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 10 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 12 Check If Charging Flow Has Been Established:

a.Charging pumps-ANY RUNNING a.Perform the following:

1)IF CCW flow is lost to any RCP thermal barrier OR any RCP¹1 seal outlet temperature offscale high, THEN dispatch AO with key to RWST gate to locally close seal injection needle valve(s)to affected RCP:~RCP A, V-300A~RCP B, V-300B 2)Ensure HCV-142 open, demand at 0%.b.Align charging pump suction to RWST: o LCV-112B-OPEN o LCV-112C-CLOSED b.IF LCV-112B can NOT be opened, THEN perform the following:

1)Verify charging pump A NOT running and place in PULL STOP.2)Dispatch AO to locally open manual charging pump suction from RWST (V-358 located in charging pump room).3)WHEN V-358 open, THEN direct AO to close V-268 to isolate charging pumps B and C from VCT (V-268 located in charging pump room).c.Start charging pumps as necessary and adjust charging flow to restore PRZR level

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EOP: FR-P.1-ZI1'LE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 11 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*13 Monitor SI Reinitiation Criteria: o RCS subcooling based on core exit T/Cs-GREATER THAN FIGURE MIN SUBCOOLING o RVLIS indication:

Manually operate SI pumps as necessary and perform the following:

a.IF RCS subcooling based on core'xit T/Cs greater than Figure MIN SVBCOOLING and no RCP running, THEN attempt to start a RCP: o Level-GREATER THAN 68%(73%adverse CNMTj 1)Establish conditions for starting an RCP:-OR-o Fluid fraction (any RCP running)-GREATER THAN 80%o Bus llA or 11B energized o Refer to Attachment RCP START 2)IF conditions established, THEN start one RCP.b.Go to Step 26.14 Check RCS Hot Leg Temperatures

-STABLE IF increasing, THEN control feed flow and dump steam to stabilize RCS hot leg temperatures.

IF decreasing, THEN verify that actions of Step 2 have been performed before continuing'ith procedure.

'M~l*4 EOP: FR-P.1 Ti[LE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV'0 PAGE 12 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 15 Check If SI ACCUMs Should Be Isolated: a.Check the following:

o RCS subcooling based on core exit T/Cs-GREATER THAN O'USING FIGURE MIN SUBCOOLING a.Return to Step 13.o RVLIS indication:

o Level-GREATER THAN 68%[73%adverse CNMT]-OR-o Fluid fraction (any RCP running)-GREATER THAN 80%b.Dispatch AO with locked valve key to locally close breakers for SI ACCUM discharge valves Ir~MOV-841, MCC C position 12F~MOV-865, MCC D position 12C c.Close SI ACCUM discharge valves~MOV-841~MOV-865 c.Vent any unisolated ACCUMs: 1)Open vent valves for unisolated SI ACCUMs.~ACCUM A, AOV-834A~ACCUM B, AOV-834B d.Locally reopen breakers for MOV-841 and MOV-865 2)Open HCV-945.3)Continue with Step 16.Do NOT decrease RCS pressure to less than unisolated ACCUM pressure.

~\'I t f 14 EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 13 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOTOBTAINED

- - - - x*x*xx*x*xx*xx**k**x*****x********

CAUTION THE RCS SHOULD NOT BE DEPRESSURIZED TO LESS THAN SI ACCUM PRESSURE UNTIL SI ACCUMS ISOLATED.*%********x*x'x x 0 0 x x x x x**x**0*************

NOTE: o If auxiliary spray is in use, spray flow may be increased by closing normal charging valve AOV-294 and normal PRZR spray valves.o When using a PRZR PORV select one with an operable block valve.16.Depressurize RCS To Decrease RCS Subcooling:

a.Depressurize using normal PRZR spray if available a.IF normal spray NOT available, THEN use one PRZR PORV.IF IA NOT available, THEN refer to Attachment N2 PORVS.IF no PRZR PORV available, THEN use auxiliary spray valve (AOV-296).

b.Depressurize RCS until either of the following conditions satisfied:

o RCS subcooling based on core exit T/Cs-LESS THAN 10'F USING FIGURE MIN SUBCOOLING-OR-o PRZR level-GREATER THAN 87%[75%adverse CNMT)c.Stop RCS depressurization

+4 vk 4 4 4'I KK nkK 44 r i 4 4 4, 44~

EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 14 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 17 Check If RCPs Must Be Stopped: a.RCPs-ANY RUNNING b.Check the following:

o RCP¹1 seal D/P-LESS THAN 220 PSID a.Go to Step 18.b.Go to Step 18.-OR-o RCP¹1 seal leakoff-LESS THAN 0.25 GPM c.Stop affected RCP(s)*********x x*x%*%*x x*'*%x******************

CAUTION AN INCREASE IN RCS PRESSURE MAY RESULT IN EXCESSIVE REACTOR VESSEL STRESS.RCS PRESSURE AND TEMPERATURE SHOULD BE MAINTAINED STABLE WHILE PERFORMING SUBSEQUENT STEPS IN THIS PROCEDURE.

x************

x%P x****x******************

18 Check PRZR Level-GREATER THAN 13%t'40: adverse CNMT]Try to restore level with charging while maintaining stable RCS pressure.IF level can NOT be restored, THEN go to Step 25.

V'~',I k X.fit g4 f4,,

EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 15 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 19 Check I f Normal CVCS Operation Can Be Established a.Verify IA restored: o IA to CNMT (AOV-5392)

-OPEN o IA pressure-GREATER THAN 60 PSIG a.Continue with Step 23.WHEN IA restored, THEN do Steps 19 through 22.b.CCW pumps-ANY RUNNING b.Perform the following:

1)IF any RCP¹1 seal outlet temperature offscale high, THEN isolate CCW,to thermal barrier of affected RCP(s).~RCP A, MOV-749A and MOV-759A~RCP B, MOV-749B and MOV-759B c.Verify instrument bus D ENERGIZED d.Charging pump-ANY RUNNING 2)Manually start one CCW pump.c.Energize MCC'.IF MCC B NOT available, THEN perform the following:

1)Verify MCC A energized.

2)Place instrument bus D on maintenance supply.d.Continue with Step 24.WHEN any charging pump running, THEN do Steps 20 through 24.

'7l G')tdi E.

EOP: i FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 16 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE 80T OBTAINED,*******%*@**x x*0 x 0*x x**4'0'***%'***x*******CAUTION IF RCS PRESSURE LESS THAN 250 PSIG, THEN PCV-135 SHOULD BE ADJUSTED TO ESTABLISH DESIRED LETDOWN FLOW, NOT TO INCREASE PRESSURE.********~******x*%

- - - - x**%****%*******%*20 Establish Normal Letdown: a.Establish charging line flow to REGEN Hx-GREATER THAN 20 GPM b.Place the following switches to CLOSE:~Letdown orifice.valves (AOV-200A, AOV-200B, and AOV-202)~AOV-371, letdown isolation valve~AOV-427, loop B cold leg to REGEN Hx c.Place letdown controllers in MANUAL at 40%open~TCV-130~PCV-135 d.Reset both trains of XY relays for AOV-371 and AOV-427 e.Open AOV-371 and AOV-427 f.Open letdown orifice valves as necessary g.Place TCV-130 in AUTO at 105'F h.Place PCV-135 in AUTO at 250 psig i.Adj ust charging pump speed and HCV-142 as necessary IF RCP seal return has been established, THEN establish excess letdown as follows: o Place excess letdown divert valve, AOV-312, to NORMAL.o Ensure CCW from excess letdown open, (AOV-745)~o Open excess letdown isolation valve AOV-310.o Slowly open HCV-123 to maintain excess letdown temperature less than 195'F and pressure less than 100 psig.o Adjust charging pump speed as necessary.

IF RCP seal return NOT established, THEN consult TSC to determine if excess letdown should be placed in service.

J'l A EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 17 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 21 Check VCT Makeup System: a.Adjust boric'acid flow control valve in AUTO to 9.5 gpm b.Verify the following:

1)RMW mode selector switch in AUTO b.Adjust controls as necessary.

2)RMW control armed-RED LIGHT LIT c.Check VCT level: o Level-GREATER THAN 20%-OR-o Level-STABLE OR INCREASING c.Manually increase VCT makeup flow as follows: 1)Ensure BA transfer pumps and RMW pumps running.IF NOT,-THEN reset MCC C and MCC D UV lockouts as necessary.

2)Place RMW flow control valve HCV-111 in MANUAL and increase RMW flow.3)Increase boric acid flow as necessary.

M,)~~ply l 4 t~I tn, EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 18 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 22 Check Charging Pump Suction Aligned To VCT: a.VCT level-GREATER THAN 20%a.IF VCT level can NOT be maintained greater than 5%, THEN perform the following:

1)Ensure charging pump suction aligned to RWST o LCV-112B open o LCV-112C closed 2)Continue with Step 23.WHEN VCT level greater than 40%, THEN do Step 22b.b, Verify charging pumps aligned to VCT o LCV-112C-OPEN o LCV-112B-CLOSED b.Manually align valves as necessary.

23 Check PRZR Level-LESS THAN 87%t'754 adverse CNMT]Control charging and letdown as necessary to reduce PRZR level to less than 87%[75%adverse CNMT].If necessary establish excess letdown.IF no letdown available AND CCW to RCPs established, THEN cycle charging pumps as necessary to control PRZR level.

&W+~C 4'-.t g4 4&I EOP: FR-P.1 TITLE: RESPONSE TO IMMXNENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 19 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: For optimum long term pressure control, saturated conditions should be restored in the PRZR.24 Verify PRZR Liquid Temperature (TI-424)-AT SATURATION FOR DESIRED PRESSURE IF PRZR liquid temperature low, THEN energize PRZR heaters as necessary to establish desired temperature.

25 Check RCS Subcooling Based On Core Exit T/Cs-BETWEEN O'AND 10'F USXNG FIGURE MIN SUBCOOLXNG IF RCS pressure less than 160 psig[200 psig adverse CNMT), THEN go to Step 26.IF NOT, THEN depressurize using normal spray.IF normal spray NOT available and letdown is in service, THEN use auxiliary spray for any"further depressurization.

Return to Step 16b.IF auxiliary spray NOT available, THEN return to Step 16a.26 Check Cool Down Rate In RCS Cold Legs-GREATER THAN 100'F IN ANY 60 MINUTES PERXOD Return to procedure and step in effect.27 Maintain RCS Pressure And Temperature Stable For At Least 1 Hour a.Control steam dump and feed flow as necessary b.Perform actions of other procedures in effect which do not cool down the RCS or increase RCS pressure until the RCS temperature soak has been completed 4 te 0 r r Q4,/

EOP: FR-P.1 1'I ZLF.: RESPONSE TO 1MMINENT PRESSURIZED THERMAL SHOCK CONDITION REV'0 PAGE 20 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 28 WHEN 1 HOUR Soak Is Complete, THEN Continue RCS Cooldown And Depressurization As Necessary a.Maintain RCS pressure and cold leg temperature within the limits of Figure SOAK LIMITS b.Establish and maintain cooldown rate in RCS cold legs-LESS THAN 50'F IN ANY 60 MINUTES PERIOD 29 Verify SI Flow Not Required: o RCS subcooling based on core exit T/Cs-GREATER THAN FIGURE MIN SUBCOOLING o RVLIS indication:

o Level-GREATER THAN 68%[73%adverse CNMTj-OR-o Fluid fraction (any RCP running)-GREATER THAN 80%Manually operate SI pumps as necessary.

IF RCS subcooling based on core exit T/Cs greater than Figure MIN SUBCOOLING and no RCP running, THEN perform the following:

a.Establish conditions for starting an RCP: o Bus 11A or 11B energized o Refer to Attachment RCP START b.IF conditions established, THEN start one RCP.

A s" t tt Q'f,'I)1$'~0"~Jl EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 21 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 30 Return To Procedure And Step In Effect-END-

'%+Woe r,'v)>41<'Wa EOP: FR-P.1 TI1'LE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 1 of 1 FR-P.1 APPENDIX LIST TITLE PAGES 1)FIGURE MIN SUBCOOLING 2)FIGURE SOAK LIMITS 3)ATTACHMENT RCP START 4)ATTACHMENT SD-1 5)ATTACHMENT CNMT RECIRC FANS 6)ATTACHMENT N2 PORVS I+g$l I iw~ol I g 7 ,I N t>1 tk 0' EOP: FR-P.1 LITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 1 of 1 FIGURE MIN SUBCOOLING NOTE: Subcooling Margin=Saturation Temperature From Figure Below[-]Core Exit T/C Indication RC 2500 2400 2300 2200 2100 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 S PRESSURE (PSIG)RCS PRESSURE INCREHENTS 20 PSIG SUBCOOLED REGION ADVERS E CNHT NORMAL CNHT INADEQUATE SUBCOOL ING REGION TEHPERATURE INCREHENTS 10'F 200 250 300 350 400 450 500 550 600 650 700 CORE EXIT SATURATION TEHPERATURE

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a 4k l1 i~g (Q"I J EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 1 of 1 RCS 2500 2400 2300 2200 2100 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 PRESSURE (PSIG)RCS PRESSURE INCREMENTS 20 PSIG FIGURE SOAK LIMITS REMAIN BELOW CURVE TEMPERATURE INCREMENTS 10'F 200 250 300 350 400 450 500 550 600 650 700 RCS COLD LEG TEMPERATURE

('F) t 4.I

@@ Line 17: / Line 17: @@
 =Text=
-{{#Wiki_filter:EOP:FR-H.4TITLE:RESPONSETOLOSSOFNORMALSTEAMRELEASECAPABILITIES REV:2PAGE1of5ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATEPLANTSUPERINTENDENT EFFECTIVE DATECATEGORY1.0REVIEWEDBY:9305140053 930422PDR'DOCN,05000244F..PDR iV EOP:FR-H.4TITLE:RESPONSETOLOSSOFNORMALSTEAMRELEASECAPABILITIES REV:2PAGE2of5A.PURPOSE-Thisprocedure providesactionstorespondtoafailureoftheS/GARVsandCondenser DumpValves.B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS
+{{#Wiki_filter:EOP: FR-H.4 TITLE: RESPONSE TO LOSS OF NORMAL STEAM RELEASE CAPABILITIES REV: 2 PAGE 1 of 5 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER TECHNICAL REVIEW PORC REVIEW DATE PLANT SUPERINTENDENT EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY: 9305140053 930422 PDR'DOCN, 05000244 F..PDR i V EOP: FR-H.4 TITLE: RESPONSE TO LOSS OF NORMAL STEAM RELEASE CAPABILITIES REV: 2 PAGE 2 of 5 A.PURPOSE-This procedure provides actions to respond to a failure of the S/G ARVs and Condenser Dump Valves.B.ENTRY CONDITIONS/SYMPTOMS 1.ENTRY CONDITIONS
--Thisprocedure isenteredfromF-0.3,HEATSINKCriticalSafetyFunctionStatusTreeonaYELLOWcondition.
+-This procedure is entered from F-0.3, HEAT SINK Critical Safety Function Status Tree on a YELLOW condition.
-EOP:FR-H.4TITLE:RESPONSETOLOSSOFNORMALSTEAMRELEASECAPABILITIES REV:2PAGE3of5STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFAFFECTEDS/G(S)NARROWRANGELEVELINCREASES TOGREATERTHAN90%[85%ADVERSECNMT],THENSTEAMSHOULDNOTBERELEASEDFROMTHEAFFECTEDS/G(S).NOTE:oThroughout thisprocedure, "affected" referstoanyS/Ginwhichpressureisgreaterthan108Spsig.oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10+R/hr.1TryToRestoreNormalSteamReleaseCapability OfAffectedS/G(s):a.Checkifcondenser available oAffectedS/GMSIV(s)-OPENoEitherCWpump-RUNNINGoCondenser vacuum-GREATERTHAN20INCHESHGb.Operatecondenser steamdumpmanually:
+EOP: FR-H.4 TITLE: RESPONSE TO LOSS OF NORMAL STEAM RELEASE CAPABILITIES REV: 2 PAGE 3 of 5 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*****************************************CAUTION IF AFFECTED S/G(S)NARROW RANGE LEVEL INCREASES TO GREATER THAN 90%[85%ADVERSE CNMT], THEN STEAM SHOULD NOT BE RELEASED FROM THE AFFECTED S/G(S).NOTE: o Throughout this procedure,"affected" refers to any S/G in which pressure is greater than 108S psig.o Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+R/hr.1 Try To Restore Normal Steam Release Capability Of Affected S/G(s): a.Check if condenser available o Affected S/G MSIV(s)-OPEN o Either CW pump-RUNNING o Condenser vacuum-GREATER THAN 20 INCHES HG b.Operate condenser steam dump manually: 1)Place steam dump mode selector to MANUAL a.Perform the following 1)Place affected S/G(s)ARV controller to manual and attempt to open ARV.IF S/G ARV(s)can NOT be opened, THEN dispatch AO to check nitrogen supply to ARVs.2)Go to Step 2.2)Place condenser steam dump controller to MANUAL 3)Open steam dump valves as required
-)PlacesteamdumpmodeselectortoMANUALa.Performthefollowing 1)PlaceaffectedS/G(s)ARVcontroller tomanualandattempttoopenARV.IFS/GARV(s)canNOTbeopened,THENdispatchAOtochecknitrogensupplytoARVs.2)GotoStep2.2)Placecondenser steamdumpcontroller toMANUAL3)Opensteamdumpvalvesasrequired
-EOPSFR-H.4TITLE$RESPONSETOLOSSOFNORMALSTEAMRELEASECAPABILITIES REV:2PAGE4of5STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED2CheckRCPStatus:a.RCPs-BOTHRUNNINGb.StopRCPinaffectedloopa.GotoStep3.3CheckS/GPressures
+EOP S FR-H.4 TITLE$RESPONSE TO LOSS OF NORMAL STEAM RELEASE CAPABILITIES REV: 2 PAGE 4 of 5 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 2 Check RCP Status: a.RCPs-BOTH RUNNING b.Stop RCP in affected loop a.Go to Step 3.3 Check S/G Pressures-LESS THAN 1085 PSIG Perform the following:
--LESSTHAN1085PSIGPerformthefollowing:
+a.Manually open affected S/G(s)TDAFW pump steam supply valves~S/G A, MOV-3505A~S/G B, MOV-3504A b.Dispatch AO to perform the following:
-a.ManuallyopenaffectedS/G(s)TDAFWpumpsteamsupplyvalves~S/GA,MOV-3505A
+)Open affected S/G MSIV bypass valve.2)Open priming air e)ector steam isolation valves'V-3580~V-3581 c.Local operation of affected S/G ARV may be attempted.(Establish communications with control room.)
-~S/GB,MOV-3504A b.DispatchAOtoperformthefollowing:
-)OpenaffectedS/GMSIVbypassvalve.2)Openprimingaire)ectorsteamisolation valves'V-3580~V-3581c.Localoperation ofaffectedS/GARVmaybeattempted.
-(Establish communications withcontrolroom.)
-EOP:FR-H.4TITLE:RESPONSETOLOSSOFNORMALSTEAMRELEASECAPABILITIES REV:2PAGE5of5STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED4ReturnToProcedure AndStepInEffect-END-
+EOP: FR-H.4 TITLE: RESPONSE TO LOSS OF NORMAL STEAM RELEASE CAPABILITIES REV: 2 PAGE 5 of 5 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 4 Return To Procedure And Step In Effect-END-
-EOP:FR-I.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV5PAGE1of12ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATEPLANTSUPERINTENDENT EFFECTIVE DATECATEGORY1.0REVIEWEDBY:
+EOP: FR-I.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV 5 PAGE 1 of 12 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER TECHNICAL REVIEW PORC REVIEW DATE PLANT SUPERINTENDENT EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY:
 WP~
-EOP:FR-I.1LITLE:RESPONSETOHIGHPRESSURIZER LEVELREV5PAGE2of12A.PURPOSE-Thisprocedure providesactionstorespondtoahighPRZRlevel.B.ENTRYCONDITIONS/SYMPTOMS l.ENTRYCONDITIONS
+EOP: FR-I.1 LITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV 5 PAGE 2 of 12 A.PURPOSE-This procedure provides actions to respond to a high PRZR level.B.ENTRY CONDITIONS/SYMPTOMS l.ENTRY CONDITIONS
--Thisprocedure isenteredfrom:a.F-0.6,INVENTORY CriticalSafetyFunctionStatusTreeonaYELLOWcondition.
+-This procedure is entered from: a.F-0.6, INVENTORY Critical Safety Function Status Tree on a YELLOW condition.
 t)
-FR-I.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV'PAGE3of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10+R/hr.1CheckRCSHotLegTemperature STABLEORDECREASING DumpsteamfromintactS/G(s)tostabilize RCStemperature.
+FR-I.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV'PAGE 3 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+R/hr.1 Check RCS Hot Leg Temperature STABLE OR DECREASING Dump steam from intact S/G(s)to stabilize RCS temperature.
-VerifyAdequateSWFlow:a.AtleastthreeSWpumps-RUNNINGb.DispatchAOtoestablish normalshutdownalignment (RefertoAttachment SD-1)a.Manuallystartpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpscanbeoperated, THENperformthefollowing:
+Verify Adequate SW Flow: a.At least three SW pumps-RUNNING b.Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-1)a.Manually start pumps as power supply permits (258 kw each).IF less than two SW pumps can be operated, THEN perform the following:
-)EnsureSWisolation 2)GotoStep7.c.VerifyAUXBLDGSWisolation valves-ATLEASTONESETOPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735c.Establish SWtoAUXBLDG.(RefertoAttachment AUXBLDGSW.)d.VerifyCNMTRECIRCfansannunciator C-2,HIGHTEMPERATURE ALARM-EXTINGUISHED d.DispatchAOtolocallythrottleflowtoCCWHxtobetween5000gpmand6000gpmtotalflow.
+)Ensure SW isolation 2)Go to Step 7.c.Verify AUX BLDG SW isolation valves-AT LEAST ONE SET OPEN~MOV-4615 and MOV-4734~MOV-4616 and MOV-4735 c.Establish SW to AUX BLDG.(Refer to Attachment AUX BLDG SW.)d.Verify CNMT RECIRC fans annunciator C-2, HIGH TEMPERATURE ALARM-EXTINGUISHED d.Dispatch AO to locally throttle flow to CCW Hx to between 5000 gpm and 6000 gpm total flow.
-<'-)4r4PJ~r4Il.
+<'-)4r 4 PJ~r 4 I l.
-EOP:FR-X.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV:5PAGE4of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED3Establish IAtoCNMT:a.Verifynon-safeguards bussesenergized fromoffsitepoweroBus13normalfeed-CLOSEDa.Performthefollowing:
+EOP: FR-X.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV: 5 PAGE 4 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 3 Establish IA to CNMT: a.Verify non-safeguards busses energized from offsite power o Bus 13 normal feed-CLOSED a.Perform the following:
-)Closenon-safeguards bustiebreakers:
+)Close non-safeguards bus tie breakers:-OR-o Bus 15 normal feed-CLOSED~Bus 13 to Bus 14 tie~Bus 15 to Bus 16 tie 2)WHEN bus 15 restored, THEN reset control room lighting.b.Verify SW isolation valves to turbine buildl'ng-OPEN~MOV-4613 and MOV-4670~MOV-4614 and MOV-4664 b.Manually align valves'.Verify at least two air compressors
--OR-oBus15normalfeed-CLOSED~Bus13toBus14tie~Bus15toBus16tie2)WHENbus15restored, THENresetcontrolroomlighting.
+-RUNNING d.Check IA supply: o Pressure-GREATER THAN 60 PSIG o Pressure-STABLE OR INCREASING c.Manually start air compressors as power supply permits (75 kw each).IF air compressors can NOT be started, THEN dispatch AO to locally reset compressors as necessary.
-b.VerifySWisolation valvestoturbinebuildl'ng
+d.Perform the following:
--OPEN~MOV-4613andMOV-4670~MOV-4614andMOV-4664b.Manuallyalignvalves'.Verifyatleasttwoaircompressors
+),Continue attempts to restore IA (Refer to AP-IA.1, LOSS OF INSTRUMENT AIR).2)Continue with Step 7.WHEN IA restored, THEN do Steps 3e and f.e.Reset both trains of XY relays for IA to CNMT AOV-5392 f.Verify IA to CNMT AOV-5392-OPEN rre r EOP: FR-I.1 iITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV'PAGE 5 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED**x*x**xx**xxx*xP*xxx*xxx****************
--RUNNINGd.CheckIAsupply:oPressure-GREATERTHAN60PSIGoPressure-STABLEORINCREASING c.Manuallystartaircompressors aspowersupplypermits(75kweach).IFaircompressors canNOTbestarted,THENdispatchAOtolocallyresetcompressors asnecessary.
+CAUTION CHARGING AND LETDOWN FLOW SHOULD BE CAREFULLY CONTROLLED TO AVOID SUDDEN RCS PRESSURE CHANGES SINCE THE PRZR MAY BE WATER SOLID.x******x k x x x x x x x*x x x******x x x x***********
-d.Performthefollowing:
+Check If Normal CVCS Operation Can Be Established a.Verify IA restored: o IA to CNMT (AOV-5392)
-),Continue attemptstorestoreIA(RefertoAP-IA.1,LOSSOFINSTRUMENT AIR).2)ContinuewithStep7.WHENIArestored, THENdoSteps3eandf.e.ResetbothtrainsofXYrelaysforIAtoCNMTAOV-5392f.VerifyIAtoCNMTAOV-5392-OPEN rrer EOP:FR-I.1iITLE:RESPONSETOHIGHPRESSURIZER LEVELREV'PAGE5of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED**x*x**xx**xxx*xP*xxx*xxx****************
+-OPEN a.Continue with Step 7.WHEN IA restored, THEN do Steps 4 through 6.o IA pressure-GREATER THAN 60 PSIG b.CCW pumps-ANY RUNNING b.Perform the following:
-CAUTIONCHARGINGANDLETDOWNFLOWSHOULDBECAREFULLY CONTROLLED TOAVOIDSUDDENRCSPRESSURECHANGESSINCETHEPRZRMAYBEWATERSOLID.x******xkxxxxxxx*xxx******xxxx***********
+)IF any RCP&#xb9;1 seal outlet temperature offscale high, THEN isolate CCW to thermal barrier of affected RCP(s).~RCP A, MOV-749A and MOV-759A~RCP B, MOV-749B and MOV-759B c.Verify instrument bus D ENERGIZED 2)Manually start one CCW pump.c.Energize MCC B.IF MCC B NOT available, THEN perform the following:
-CheckIfNormalCVCSOperation CanBeEstablished a.VerifyIArestored:
+)Verify MCC A energized.
-oIAtoCNMT(AOV-5392)
+)Place instrument bus D on maintenance supply.
--OPENa.ContinuewithStep7.WHENIArestored, THENdoSteps4through6.oIApressure-GREATERTHAN60PSIGb.CCWpumps-ANYRUNNINGb.Performthefollowing:
+Jt It/W g!a kg%lgt T I ti*<<II, 1 EOP: FR-I.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV 5 PAGE 6 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 5 Check If Seal Return Flow Should Be Established:
-)IFanyRCP&#xb9;1sealoutlettemperature offscalehigh,THENisolateCCWtothermalbarrierofaffectedRCP(s).~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV-759Bc.Verifyinstrument busDENERGIZED 2)ManuallystartoneCCWpump.c.EnergizeMCCB.IFMCCBNOTavailable, THENperformthefollowing:
+a.Verify RCP&#xb9;1 seal outlet temperature
-)VerifyMCCAenergized.
+-LESS THAN 235'F b.Verify RCP seal outlet valves OPEN=~AOV-270A~AOV-270B a.Go to Step 7.b.Manually open valves as necessary.
-)Placeinstrument busDonmaintenance supply.
+c.Reset both trains of XY relays for RCP seal return isolation valve MOV-313 d.Open RCP seal return isolation valve MOV-313 d.Perform the following:
-JtIt/Wg!akg%lgtTIti*<<II,1 EOP:FR-I.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV5PAGE6of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED5CheckIfSealReturnFlowShouldBeEstablished:
+)Place MOV-313 switch to OPEN.e.Verify RCP&#xb9;1 seal leakoff flow LESS THAN 5.5 GPM 2)Dispatch AO with key to RWST gate to locally open MOV-313.e.IF any RCP seal leakoff flow greater than 5.5 gpm THEN: o Close the affected RCP seal discharge'valve~RCP A, AOV-270A~RCP B, AOV-270B o Trip the affected RCP f.Verify RCP&#xb9;1 seal leakoff flow'REATER THAN 0.25 GPM IF both RCP seal discharge valves are shut, THEN go to Step 7.f.Refer to AP-RCP.1, RCP SEAL MALFUNCTION.
-a.VerifyRCP&#xb9;1sealoutlettemperature
+vs'>'p II%1~lI W I ff EOP: FR-I.1 RESPONSE TO HIGH PRESSURIZER LEVEL REV 5 PAGE 7 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 6 Check Normal Letdown-IN SERVICE Establish excess letdown as follows: o Place AOV-312 to NORMAL o Ensure CCW from excess letdown, (AOV-745).
--LESSTHAN235'Fb.VerifyRCPsealoutletvalvesOPEN=~AOV-270A~AOV-270Ba.GotoStep7.b.Manuallyopenvalvesasnecessary.
+o Open excess letdown isolation valve AOV-310.o Slowly open HCV-123 to maintain excess letdown.temperature less than 195'F and pressure less than 100 psig.
-c.ResetbothtrainsofXYrelaysforRCPsealreturnisolation valveMOV-313d.OpenRCPsealreturnisolation valveMOV-313d.Performthefollowing:
+(C~L+I t v,~~gV p7~
-)PlaceMOV-313switchtoOPEN.e.VerifyRCP&#xb9;1sealleakoffflowLESSTHAN5.5GPM2)DispatchAOwithkeytoRWSTgatetolocallyopenMOV-313.e.IFanyRCPsealleakoffflowgreaterthan5.5gpmTHEN:oClosetheaffectedRCPsealdischarge
+EOP: FR-I.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV: 5 PAGE 8 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 7 Check If Charging Flow Has Been Established:
-'valve~RCPA,AOV-270A~RCPB,AOV-270BoTriptheaffectedRCPf.VerifyRCP&#xb9;1sealleakoffflow'REATERTHAN0.25GPMIFbothRCPsealdischarge valvesareshut,THENgotoStep7.f.RefertoAP-RCP.1, RCPSEALMALFUNCTION.
+a.Charging pumps-ANY RUNNING a.Perform the following:
-vs'>'pII%1~lIWIff EOP:FR-I.1RESPONSETOHIGHPRESSURIZER LEVELREV5PAGE7of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED6CheckNormalLetdown-INSERVICEEstablish excessletdownasfollows:oPlaceAOV-312toNORMALoEnsureCCWfromexcessletdown,(AOV-745).
+-1)IF CCW flow is lost to any RCP thermal barrier OR any RCP&#xb9;1 seal outlet temperature offscale high, THEN dispatch AO with key to RWST gate to locally close seal injection needle valve(s)to affected RCP:~RCP A, V-300A~RCP B, V-300B 2)Ensure HCV-142 open, demand at 0%.b.Charging pump suction aligned to RWST: o LCV-112B-OPEN o LCV-112C-CLOSED b.Manually align valves as necessary.
-oOpenexcessletdownisolation valveAOV-310.oSlowlyopenHCV-123tomaintainexcessletdown.temperature lessthan195'Fandpressurelessthan100psig.
+IF LCV-112B can NOT be opened, THEN perform the following:
-(C~L+Itv,~~gVp7~
+)Verify charging pump A NOT running and'lace in PULL STOP.2)=Dispatch AO to locally open manual charging pump suction from RWST (V-358 located in charging pump room).3)WHEN V-358 open, THEN direct AO to close V-268 to isolate charging, pumps B and C from VCT (V-268 located in charging pump room).c.Start charging pumps as necessary and adjust charging flow to restore PRZR level P.~I t 4 il EOP: FR-I.l TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV 5 PAGE 9 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 8 Check Normal Letdown-IN SERVICE Establish Normal Letdown: a.Establish charging flow to REGEN Hx greater than 20 gpm.b.Place the following switches to CLOSE:~Letdown orifice valves (AOV-200A, AOV-200B, and AOV-202)~AOV-427, loop B cold leg to REGEN Hx~AOV-371, letdown isolation valves c.Place letdown controllers TCV-130 and PCV-135 in MANUAL at 40%open~TCV-130~PCV-135 d.Reset both trains of XY relays for AOV-371 and AOV-427 e.Open AOV-371 and AOV-427 f.Open letdown orifice valves as necessary g.Place TCV-130 in AUTO at 105'F h.Place PCV-135 in AUTO at 250 psig i.Adjust charging pump speed and HCV-142 as necessary j.WHEN normal letdown in service, THEN secure excess letdown.o Close excess letdown flow control valve, HCV-123.o Close excess letdown isolation valve, AOV-310.
-EOP:FR-I.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV:5PAGE8of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED7CheckIfChargingFlowHasBeenEstablished:
-a.Chargingpumps-ANYRUNNINGa.Performthefollowing:
--1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCP&#xb9;1sealoutlettemperature offscalehigh,THENdispatchAOwithkeytoRWSTgatetolocallyclosesealinjection needlevalve(s)toaffectedRCP:~RCPA,V-300A~RCPB,V-300B2)EnsureHCV-142open,demandat0%.b.ChargingpumpsuctionalignedtoRWST:oLCV-112B-OPENoLCV-112C-CLOSEDb.Manuallyalignvalvesasnecessary.
-IFLCV-112BcanNOTbeopened,THENperformthefollowing:
-)VerifychargingpumpANOTrunningand'laceinPULLSTOP.2)=Dispatch AOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatecharging, pumpsBandCfromVCT(V-268locatedinchargingpumproom).c.Startchargingpumpsasnecessary andadjustchargingflowtorestorePRZRlevel P.~It4il EOP:FR-I.lTITLE:RESPONSETOHIGHPRESSURIZER LEVELREV5PAGE9of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED8CheckNormalLetdown-INSERVICEEstablish NormalLetdown:a.Establish chargingflowtoREGENHxgreaterthan20gpm.b.Placethefollowing switchestoCLOSE:~Letdownorificevalves(AOV-200A, AOV-200B, andAOV-202)~AOV-427,loopBcoldlegtoREGENHx~AOV-371,letdownisolation valvesc.Placeletdowncontrollers TCV-130andPCV-135inMANUALat40%open~TCV-130~PCV-135d.ResetbothtrainsofXYrelaysforAOV-371andAOV-427e.OpenAOV-371andAOV-427f.Openletdownorificevalvesasnecessary g.PlaceTCV-130inAUTOat105'Fh.PlacePCV-135inAUTOat250psigi.AdjustchargingpumpspeedandHCV-142asnecessary j.WHENnormalletdowninservice,THENsecureexcessletdown.oCloseexcessletdownflowcontrolvalve,HCV-123.oCloseexcessletdownisolation valve,AOV-310.
 &#xc3;'+
-EOP:FR-I.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV:5PAGE10of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED9CheckPRZRPressure:
+EOP: FR-I.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV: 5 PAGE 10 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 9 Check PRZR Pressure: a.Pressure-LESS THAN 2335 PSIG b.Pressure-LESS THAN 2260 PSIG a.Verify at least one PRZR PORV and block valve open.IF NOT, THEN open one PORV and block valve as necessary until pressure less than 2335 psig.IF IA NOT available, THEN refer to Attachment N2 PORVS to operate PORVs.b.Control charging and letdown flow as necessary to decrease PRZR pressure to less than 2260 psig.10 Verify PRZR PORVs-CLOSED Manually close PORVs.IF any valve can NOT be closed, THEN manually close its block valve.ll Restore PRZR To Saturation Conditions:
-a.Pressure-LESSTHAN2335PSIGb.Pressure-LESSTHAN2260PSIGa.VerifyatleastonePRZRPORVandblockvalveopen.IFNOT,THENopenonePORVandblockvalveasnecessary untilpressurelessthan2335psig.IFIANOTavailable, THENrefertoAttachment N2PORVStooperatePORVs.b.Controlchargingandletdownflowasnecessary todecreasePRZRpressuretolessthan2260psig.10VerifyPRZRPORVs-CLOSEDManuallyclosePORVs.IFanyvalvecanNOTbeclosed,THENmanuallycloseitsblockvalve.llRestorePRZRToSaturation Conditions:
+a.Verify letdown-IN SERVICE b.Energize PRZR heaters a.Do NOT energize PRZR heaters.Continue with Step 13.WHEN letdown established, THEN energize PRZR heaters.
-a.Verifyletdown-INSERVICEb.EnergizePRZRheatersa.DoNOTenergizePRZRheaters.ContinuewithStep13.WHENletdownestablished, THENenergizePRZRheaters.
+"~'i'+C" 1 no.zf 4O EOP: FR-I.1 TITLE: RESPONSE TO HIGH PRESSURIZER LEVEL REV'PAGE 11 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 12 Check PRZR Spray Valves: a.Auxiliary spray valve (AOV-296)CLOSED a.Manually close auxiliary spray valve.IF valve can NOT be closed, THEN perform the following:
-"~'i'+C"1no.zf4O EOP:FR-I.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV'PAGE11of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED12CheckPRZRSprayValves:a.Auxiliary sprayvalve(AOV-296)
+)Establish excess letdown (Refer to Step 6).2)Close loop B cold leg to REGEN Hx (AOV-427).
-CLOSEDa.Manuallycloseauxiliary sprayvalve.IFvalvecanNOTbeclosed,THENperformthefollowing:
+)Ensure HCV-142 demand at 0%.b.Verify normal PRZR spray valve controllers
-)Establish excessletdown(RefertoStep6).2)CloseloopBcoldlegtoREGENHx(AOV-427).
+-DEMAND AT 0%b.Place controllers in manual at 0%demand.NOTE: PRZR temperature at which bubble should form may be determined from steam table.13 Control Charging And Letdown Flow As Necessary To Maintain RCS Pressure Stable 14 Check PRZR level-LESS THAN 87~a Perform the following:
-)EnsureHCV-142demandat0%.b.VerifynormalPRZRsprayvalvecontrollers
+a.Consult TSC to determine if RCPs should be stopped to isolated failed spray valve.b.Return to Step 13.
--DEMANDAT0%b.Placecontrollers inmanualat0%demand.NOTE:PRZRtemperature atwhichbubbleshouldformmaybedetermined fromsteamtable.13ControlChargingAndLetdownFlowAsNecessary ToMaintainRCSPressureStable14CheckPRZRlevel-LESSTHAN87~aPerformthefollowing:
+'I 4 1" EOP: FR-I F 1 RESPONSE TO HIGH PRESSURIZER LEVEL REV 5 PAGE 12 of 12 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 15 Return To Procedure And Step In Effect-END-
-a.ConsultTSCtodetermine ifRCPsshouldbestoppedtoisolatedfailedsprayvalve.b.ReturntoStep13.
-'I41" EOP:FR-IF1RESPONSETOHIGHPRESSURIZER LEVELREV5PAGE12of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED15ReturnToProcedure AndStepInEffect-END-
-EOP:FR-I.1RESPONSETOHIGHPRESSURIZER LEVELREV:5PAGE1of1FR-I.1APPENDIXLISTTITLEPAGES1)ATTACHMENT N2PORVS2)ATTACHMENT SD-13)ATTACHMENT AUXBLDGSW gl'I EOP:FR-P.1T!TLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE1of21ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATE4'PLASUPERINTENDENT EFFECTIVE DATECATEGORY1.0REVIEWEDBY:
+EOP: FR-I.1 RESPONSE TO HIGH PRESSURIZER LEVEL REV: 5 PAGE 1 of 1 FR-I.1 APPENDIX LIST TITLE PAGES 1)ATTACHMENT N2 PORVS 2)ATTACHMENT SD-1 3)ATTACHMENT AUX BLDG SW gl'I EOP: FR-P.1 T!TLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 1 of 21 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER TECHNICAL REVIEW PORC REVIEW DATE 4'PLA SUPERINTENDENT EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY:
-*l+~d"X?'k EOP:FR-P.1TlTLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE2of21A.PURPOSE-Thisprocedure providesactionstoavoid,orlimit,thermalshockorpressurized thermalshocktothereactorpressurevessel,oroverpressure conditions atlowtemperature.
+*l+~d" X?'k EOP: FR-P.1 TlTLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 2 of 21 A.PURPOSE-This procedure provides actions to avoid, or limit, thermal shock or pressurized thermal shock to the reactor pressure vessel, or overpressure conditions at low temperature.
-B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS
+B.ENTRY CONDITIONS/SYMPTOMS 1.ENTRY CONDITIONS
--Thisprocedure isenteredfrom:a.F-0.4,INTEGRITY CriticalSafetyFunctionStatusTree,oneitheraREDorORANGEcondition.
+-This procedure is entered from: a.F-0.4, INTEGRITY Critical Safety Function Status Tree, on either a RED or ORANGE condition.
-I>I"'P0Wi*'(+IS"p@~w EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10~PAGE3of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10+"R/hr.1CheckRCSPressure-GREATERTHAN250PSIGt'465PSIGadverseCNMT]IFRHRflowgreaterthan475gpm,THENreturntoprocedure andstepineffect.
+I>I"'P0 W i*'(+IS"p@~w EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10~PAGE 3 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+" R/hr.1 Check RCS Pressure-GREATER THAN 250 PSIG t'465 PSIG adverse CNMT]IF RHR flow greater than 475 gpm, THEN return to procedure and step in effect.
-tpPpq8~a EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION.
+t pP pq 8~a EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION.
-REV10PAGE4of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:AfaultedS/GisanyS/Gthatisdepressurizing inanuncontrolled manneroriscompletely depressurized.
+REV 10 PAGE 4 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: A faulted S/G is any S/G that is depressurizing in an uncontrolled manner or is completely depressurized.
-CheckRCSColdLegTemperatures
+Check RCS Cold Leg Temperatures
--STABLEORINCREASING TrytostopRCScooldown:
+-STABLE OR INCREASING Try to stop RCS cooldown: a.Ensure S/G ARVs closed.,b.Close both S/G MSIVs.c.Ensure MFW flow control valves closed.~MFW regulating valves~MFW bypass valves d.Ensure MFW pumps tripped.e.Rotate reheater steam supply controller cam to close reheater steam supply valves.f.IF S/G pressure less than condensate pressure, THEN stop all condensate pumps.g.IF RHR system in service, THEN stop any cooldown from RHR system.h.Control total feed flow to non-faulted S/G(s)greater than 200 gpm until narrowrange level greater than 5%[25%adverse CNMT]in at least one non-faulted S/G.WHEN S/G level greater than 5%[25%adverse CNMT]in one non-faulted S/G, THEN limit feed flow to stop RCS cooldown.This Step continued on the next page.
-a.EnsureS/GARVsclosed.,b.ClosebothS/GMSIVs.c.EnsureMFWflowcontrolvalvesclosed.~MFWregulating valves~MFWbypassvalvesd.EnsureMFWpumpstripped.e.Rotatereheatersteamsupplycontroller camtoclosereheatersteamsupplyvalves.f.IFS/Gpressurelessthancondensate
-: pressure, THENstopallcondensate pumps.g.IFRHRsysteminservice,THENstopanycooldownfromRHRsystem.h.Controltotalfeedflowtonon-faulted S/G(s)greaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]inatleastonenon-faulted S/G.WHENS/Glevelgreaterthan5%[25%adverseCNMT]inonenon-faulted S/G,THENlimitfeedflowtostopRCScooldown.
-ThisStepcontinued onthenextpage.
 '2i/
-EOP:FR-P.1TlTLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE5of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED(Step2continued frompreviouspage)i.MinimizecooldownfromfaultedS/G(s):1)ClosefaultedS/G(s)TDAFWpumpsteamsupplyvalve(s).
+EOP: FR-P.1 TlTLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 5 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED (Step 2 continued from previous page)i.Minimize cooldown from faulted S/G(s): 1)Close faulted S/G(s)TDAFW pump steam supply valve(s).~S/G A, MOV-3505A~S/G B, MOV-3504A 2)IF both S/G(s)faulted, THEN control feed flow at 50 gpm to each S/G.3)IF any S/G NOT faulted, THEN isolate all feedwater to faulted S/G unless necessary for RCS temperature control.IF a faulted S/G is necessary for RCS temperature control, THEN control feed flow at 50 gpm to that S/G.3 Check PRZR PORV Block Valves: a.Power to PORV block valves AVAILABLE b.Block valves-AT LEAST ONE OPEN a.Restore power to block valves unless block valve was closed to isolate an open PORV:~MOV-515, MCC C position 6C~MOV-516, MCC D position 6C b.Open one block valve unless it was closed to isolate an open PORV.IF at least one block valve can NOT be opened, THEN dispatch AO to locally check breaker.~MOV-515, MCC C position 6C~MOV-516, MCC D position 6C 1 0/kgb'l 4s1 pL 4<<t EOP: FR-P.1 LITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 6 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*x*****>*x*x x s x w w x x x x w 0 w**0 w x x***********
-~S/GA,MOV-3505A
+CAUTION IF ANY PRZR PORV OPENS BECAUSE OF HIGH PRZR PRESSURE, THEN STEP 4 SHOULD BE PERFORMED AFTER PRESSURE DECREASES TO LESS THAN THE APPLICABLE PORV SETPOINT.**x******x*xxxxxxxxxxxxx'xxx*x**x*********
-~S/GB,MOV-3504A 2)IFbothS/G(s)faulted,THENcontrolfeedflowat50gpmtoeachS/G.3)IFanyS/GNOTfaulted,THENisolateallfeedwater tofaultedS/Gunlessnecessary forRCStemperature control.IFafaultedS/Gisnecessary forRCStemperature control,THENcontrolfeedflowat50gpmtothatS/G.3CheckPRZRPORVBlockValves:a.PowertoPORVblockvalvesAVAILABLE b.Blockvalves-ATLEASTONEOPENa.RestorepowertoblockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cb.OpenoneblockvalveunlessitwasclosedtoisolateanopenPORV.IFatleastoneblockvalvecanNOTbeopened,THENdispatchAOtolocallycheckbreaker.~MOV-515,MCCCposition6C~MOV-516,MCCDposition6C 10/kgb'l4s1pL4<<t EOP:FR-P.1LITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE6of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*x*****>*x*xxsxwwxxxxw0w**0wxx***********
+Check PRZR PORV Status: a.Check Reactor Vessel Overpressure Protection System-IN SERVICE a.Go to Step 4d.b.Check RCS pressure-LESS THAN 410 PSIG b.Perform the following:
-CAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE, THENSTEP4SHOULDBEPERFORMED AFTERPRESSUREDECREASES TOLESSTHANTHEAPPLICABLE PORVSETPOINT.
+)Ensure at least one PRZR PORV open.2)Continue with Step 5.WHEN pressure less than setpoint, THEN do Step 4e.c.Go to Step 4e d.PRZR pressure-LESS THAN 2335 PSIG d.Perform the following:
-**x******x*xxxxxxxxxxxxx'xxx*x**x*********
+)Ensure at"least one PRZR PORV open.2)Continue with Step 5.WHEN pressure less than setpoint, THEN do Step 4e.e.Verify PRZR PORVs-CLOSED e.Manually close valve.IF any valve can NOT be closed, THEN manually close its block valve.
-CheckPRZRPORVStatus:a.CheckReactorVesselOverpressure Protection System-INSERVICEa.GotoStep4d.b.CheckRCSpressure-LESSTHAN410PSIGb.Performthefollowing:
+gt EOP: FR-PE 1 T l 1'LE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 7 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 5 Check SI Pumps-ANY RUNNING Go to Step 13.6 Check If SI Can Be Terminated:
-)EnsureatleastonePRZRPORVopen.2)ContinuewithStep5.WHENpressurelessthansetpoint, THENdoStep4e.c.GotoStep4ed.PRZRpressure-LESSTHAN2335PSIGd.Performthefollowing:
+o RCS subcooling based on core exit T/Cs-GREATER THAN 50'F USING FIGURE MIN SUBCOOLING o Check RVLIS indication:
-)Ensureat"leastonePRZRPORVopen.2)ContinuewithStep5.WHENpressurelessthansetpoint, THENdoStep4e.e.VerifyPRZRPORVs-CLOSEDe.Manuallyclosevalve.IFanyvalvecanNOTbeclosed,THENmanuallycloseitsblockvalve.
+o Level (no RCPs)-GREATER THAN 68%[73%adverse CNMTj-OR-o Fluid fraction (any RCP running)-GREATER THAN 80%Do NOT stop SI pumps.Perform the following.'.
-gt EOP:FR-PE1Tl1'LE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE7of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED5CheckSIPumps-ANYRUNNINGGotoStep13.6CheckIfSICanBeTerminated:
+IF RCS subcooling based on core exit T/Cs greater than O'F using Figure MIN SUBCOOLING and no RCP running, THEN attempt to start an RCP: 1)Establish conditions for starting an RCP: o Bus 11A or 11B energized o Refer to Attachment RCP START 2)IF conditions established, THEN start one RCP.b.Go to Step 26.*******4*****x x*********4****************
-oRCSsubcooling basedoncoreexitT/Cs-GREATERTHAN50'FUSINGFIGUREMINSUBCOOLING oCheckRVLISindication:
+CAUTION IF OFFSITE POWER IS LOST AFTER.SI RESET, THEN SELECTED SW PUMPS AND ONE CCW PUMP WILL AUTO START ON EMERGENCY D/G.MANUAL ACTION WILL BE REQUIRED TO RESTART SAFEGUARDS EQUIPMENT.
-oLevel(noRCPs)-GREATERTHAN68%[73%adverseCNMTj-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%DoNOTstopSIpumps.Performthefollowing.'.
-IFRCSsubcooling basedoncoreexitT/CsgreaterthanO'FusingFigureMINSUBCOOLING andnoRCPrunning,THENattempttostartanRCP:1)Establish conditions forstartinganRCP:oBus11Aor11Benergized oRefertoAttachment RCPSTART2)IFconditions established, THENstartoneRCP.b.GotoStep26.*******4*****xx*********
-****************
-CAUTIONIFOFFSITEPOWERISLOSTAFTER.SIRESET,THENSELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCY D/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDS EQUIPMENT.
 *************
-xxPP************************
+x x P P************************
-ResetSI V"Elleg~CgI&i EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE8of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED8StopSIAndRHRPumpsAndPlaceInAUTO9ResetCI:a.DepressCIresetpushbutton b.Verifyannunciator A-26,CNMTISOLATION
+Reset SI V"Elle g~Cg I&i EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 8 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 8 Stop SI And RHR Pumps And Place In AUTO 9 Reset CI: a.Depress CI reset pushbutton b.Verify annunciator A-26, CNMT ISOLATION-EXTINGUISHED b.Perform the following:
--EXTINGUISHED b.Performthefollowing:
+)Reset SI.2)Depress CI reset pushbutton.
-)ResetSI.2)DepressCIresetpushbutton.
+Verify Adequate SW Flow: a.Check at least two SW pumps RUNNING a.Manually start SW pumps as power supply permits (258 kw each).IF less than two SW pumps running, THEN perform the following:
-VerifyAdequateSWFlow:a.CheckatleasttwoSWpumpsRUNNINGa.ManuallystartSWpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpsrunning,THENperformthefollowing:
+)Ensure SW isolation.
-)EnsureSWisolation.
+)Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-l).b.Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-1)3)Go to Step 12.WHEN adequate SW available, THEN do Step 11.
-)DispatchAOtoestablish normalshutdownalignment (RefertoAttachment SD-l).b.DispatchAOtoestablish normalshutdownalignment (RefertoAttachment SD-1)3)GotoStep12.WHENadequateSWavailable, THENdoStep11.
+~il'aQ EOP: FR-P.1 T I 1'LE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 9 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 11 Establish IA to CNMT: a.Verify non-safeguards bussesenergized from offsite power o Bus 13 normal feed-CLOSED-OR-o Bus 15 normal feed-CLOSED b;Verify SW isolation valves to turbine building-OPEN~MOV-4613 and MOV-4670~MOV-4614 and MOV-4664 c.Verify at least two air compressors
-~il'aQ EOP:FR-P.1TI1'LE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE9of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED11Establish IAtoCNMT:a.Verifynon-safeguards bussesenergized fromoffsitepoweroBus13normalfeed-CLOSED-OR-oBus15normalfeed-CLOSEDb;VerifySWisolation valvestoturbinebuilding-OPEN~MOV-4613andMOV-4670~MOV-4614andMOV-4664c.Verifyatleasttwoaircompressors
+-RUNNING d.Check IA supply: o Pressure-GREATER THAN 60 PSIG o Pressure-STABLE OR INCREASING e.Reset both trains of XY relays for IA to CNMT AOV-5392 f.Verify IA to CNMT AOV-5392-OPEN a.Perform the following:
--RUNNINGd.CheckIAsupply:oPressure-GREATERTHAN60PSIGoPressure-STABLEORINCREASING e.ResetbothtrainsofXYrelaysforIAtoCNMTAOV-5392f.VerifyIAtoCNMTAOV-5392-OPENa.Performthefollowing:
+)Close non-safeguards bus tie breakers:'
-)Closenon-safeguards bustiebreakers:'
+Bus 13 to Bus 14 tie~Bus 15 to Bus 16 tie 2)Verify adequate emergency D/G capacity to run air compressors (75 kw each).IF NOT, THEN evaluate if CNMT RECIRC fans should be stopped (Refer to Attachment CNMT RECIRC FANS).3)WHEN bus 15 restored, THEN reset control room lighting.b.Manually align valves.c.Manually start air compressors
-Bus13toBus14tie~Bus15toBus16tie2)Verifyadequateemergency D/Gcapacitytorunaircompressors (75kweach).IFNOT,THENevaluateifCNMTRECIRCfansshouldbestopped(RefertoAttachment CNMTRECIRCFANS).3)WHENbus15restored, THENresetcontrolroomlighting.
+'s power supply permits (75 kw each).IF air compressors can NOT be started, THEN dispatch AO to locally reset compressors as necessary.
-b.Manuallyalignvalves.c.Manuallystartaircompressors
+d.Perform the following:
-'spowersupplypermits(75kweach).IFaircompressors canNOTbestarted,THENdispatchAOtolocallyresetcompressors asnecessary.
+)Continu'e attempts to restore IA (Refer to AP-IA.1, LOSS OF INSTRUMENT AIR).2)Continue with Step 12.WHEN IA restored, THEN do Steps lie and f.
-d.Performthefollowing:
+'4'4 , R!f-'~~v'P rc t 4 EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 10 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 12 Check If Charging Flow Has Been Established:
-)Continu'e attemptstorestoreIA(RefertoAP-IA.1,LOSSOFINSTRUMENT AIR).2)ContinuewithStep12.WHENIArestored, THENdoStepslieandf.
+a.Charging pumps-ANY RUNNING a.Perform the following:
-'4'4,R!f-'~~v'Prct4 EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE10of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED12CheckIfChargingFlowHasBeenEstablished:
+)IF CCW flow is lost to any RCP thermal barrier OR any RCP&#xb9;1 seal outlet temperature offscale high, THEN dispatch AO with key to RWST gate to locally close seal injection needle valve(s)to affected RCP:~RCP A, V-300A~RCP B, V-300B 2)Ensure HCV-142 open, demand at 0%.b.Align charging pump suction to RWST: o LCV-112B-OPEN o LCV-112C-CLOSED b.IF LCV-112B can NOT be opened, THEN perform the following:
-a.Chargingpumps-ANYRUNNINGa.Performthefollowing:
+)Verify charging pump A NOT running and place in PULL STOP.2)Dispatch AO to locally open manual charging pump suction from RWST (V-358 located in charging pump room).3)WHEN V-358 open, THEN direct AO to close V-268 to isolate charging pumps B and C from VCT (V-268 located in charging pump room).c.Start charging pumps as necessary and adjust charging flow to restore PRZR level
-)IFCCWflowislosttoanyRCPthermalbarrierORanyRCP&#xb9;1sealoutlettemperature offscalehigh,THENdispatchAOwithkeytoRWSTgatetolocallyclosesealinjection needlevalve(s)toaffectedRCP:~RCPA,V-300A~RCPB,V-300B2)EnsureHCV-142open,demandat0%.b.AlignchargingpumpsuctiontoRWST:oLCV-112B-OPENoLCV-112C-CLOSEDb.IFLCV-112BcanNOTbeopened,THENperformthefollowing:
+<<+jj e~~r.ajj j, 4/tp 1k%
-)VerifychargingpumpANOTrunningandplaceinPULLSTOP.2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).c.Startchargingpumpsasnecessary andadjustchargingflowtorestorePRZRlevel
+EOP: FR-P.1-ZI1'LE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 11 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*13 Monitor SI Reinitiation Criteria: o RCS subcooling based on core exit T/Cs-GREATER THAN FIGURE MIN SUBCOOLING o RVLIS indication:
-<<+jje~~r.ajjj,4/tp1k%
+Manually operate SI pumps as necessary and perform the following:
-EOP:FR-P.1-ZI1'LE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE11of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*13MonitorSIReinitiation Criteria:
+a.IF RCS subcooling based on core'xit T/Cs greater than Figure MIN SVBCOOLING and no RCP running, THEN attempt to start a RCP: o Level-GREATER THAN 68%(73%adverse CNMTj 1)Establish conditions for starting an RCP:-OR-o Fluid fraction (any RCP running)-GREATER THAN 80%o Bus llA or 11B energized o Refer to Attachment RCP START 2)IF conditions established, THEN start one RCP.b.Go to Step 26.14 Check RCS Hot Leg Temperatures
-oRCSsubcooling basedoncoreexitT/Cs-GREATERTHANFIGUREMINSUBCOOLING oRVLISindication:
+-STABLE IF increasing, THEN control feed flow and dump steam to stabilize RCS hot leg temperatures.
-ManuallyoperateSIpumpsasnecessary andperformthefollowing:
+IF decreasing, THEN verify that actions of Step 2 have been performed before continuing'ith procedure.
-a.IFRCSsubcooling basedoncore'xitT/CsgreaterthanFigureMINSVBCOOLING andnoRCPrunning,THENattempttostartaRCP:oLevel-GREATERTHAN68%(73%adverseCNMTj1)Establish conditions forstartinganRCP:-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%oBusllAor11Benergized oRefertoAttachment RCPSTART2)IFconditions established, THENstartoneRCP.b.GotoStep26.14CheckRCSHotLegTemperatures
+'M~l*4 EOP: FR-P.1 Ti[LE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV'0 PAGE 12 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 15 Check If SI ACCUMs Should Be Isolated: a.Check the following:
--STABLEIFincreasing, THENcontrolfeedflowanddumpsteamtostabilize RCShotlegtemperatures.
+o RCS subcooling based on core exit T/Cs-GREATER THAN O'USING FIGURE MIN SUBCOOLING a.Return to Step 13.o RVLIS indication:
-IFdecreasing, THENverifythatactionsofStep2havebeenperformed beforecontinuing'ith procedure.
+o Level-GREATER THAN 68%[73%adverse CNMT]-OR-o Fluid fraction (any RCP running)-GREATER THAN 80%b.Dispatch AO with locked valve key to locally close breakers for SI ACCUM discharge valves Ir~MOV-841, MCC C position 12F~MOV-865, MCC D position 12C c.Close SI ACCUM discharge valves~MOV-841~MOV-865 c.Vent any unisolated ACCUMs: 1)Open vent valves for unisolated SI ACCUMs.~ACCUM A, AOV-834A~ACCUM B, AOV-834B d.Locally reopen breakers for MOV-841 and MOV-865 2)Open HCV-945.3)Continue with Step 16.Do NOT decrease RCS pressure to less than unisolated ACCUM pressure.
-'M~l*4 EOP:FR-P.1Ti[LE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV'0PAGE12of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED15CheckIfSIACCUMsShouldBeIsolated:
+~\'I t f 14 EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 13 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOTOBTAINED
-a.Checkthefollowing:
-oRCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.ReturntoStep13.oRVLISindication:
-oLevel-GREATERTHAN68%[73%adverseCNMT]-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischarge valvesIr~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMdischarge valves~MOV-841~MOV-865c.Ventanyunisolated ACCUMs:1)Openventvalvesforunisolated SIACCUMs.~ACCUMA,AOV-834A~ACCUMB,AOV-834Bd.LocallyreopenbreakersforMOV-841andMOV-8652)OpenHCV-945.3)ContinuewithStep16.DoNOTdecreaseRCSpressuretolessthanunisolated ACCUMpressure.
-~\'Itf14 EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE13of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED
 *******x*x*xx*x*xx*xx**k**x*****x********
-CAUTIONTHERCSSHOULDNOTBEDEPRESSURIZED TOLESSTHANSIACCUMPRESSUREUNTILSIACCUMSISOLATED.
+CAUTION THE RCS SHOULD NOT BE DEPRESSURIZED TO LESS THAN SI ACCUM PRESSURE UNTIL SI ACCUMS ISOLATED.*%********x*x'x x 0 0 x x x x x**x**0*************
-*%********x*x'xx00xxxxx**x**0*************
+NOTE: o If auxiliary spray is in use, spray flow may be increased by closing normal charging valve AOV-294 and normal PRZR spray valves.o When using a PRZR PORV select one with an operable block valve.16.Depressurize RCS To Decrease RCS Subcooling:
-NOTE:oIfauxiliary sprayisinuse,sprayflowmaybeincreased byclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.oWhenusingaPRZRPORVselectonewithanoperableblockvalve.16.Depressurize RCSToDecreaseRCSSubcooling:
+a.Depressurize using normal PRZR spray if available a.IF normal spray NOT available, THEN use one PRZR PORV.IF IA NOT available, THEN refer to Attachment N2 PORVS.IF no PRZR PORV available, THEN use auxiliary spray valve (AOV-296).
-a.Depressurize usingnormalPRZRsprayifavailable a.IFnormalsprayNOTavailable, THENuseonePRZRPORV.IFIANOTavailable, THENrefertoAttachment N2PORVS.IFnoPRZRPORVavailable, THENuseauxiliary sprayvalve(AOV-296).
+b.Depressurize RCS until either of the following conditions satisfied:
-b.Depressurize RCSuntileitherofthefollowing conditions satisfied:
+o RCS subcooling based on core exit T/Cs-LESS THAN 10'F USING FIGURE MIN SUBCOOLING-OR-o PRZR level-GREATER THAN 87%[75%adverse CNMT)c.Stop RCS depressurization
-oRCSsubcooling basedoncoreexitT/Cs-LESSTHAN10'FUSINGFIGUREMINSUBCOOLING
++4 vk 4 4 4'I KK nkK 44 r i 4 4 4, 44~
--OR-oPRZRlevel-GREATERTHAN87%[75%adverseCNMT)c.StopRCSdepressurization
+EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 14 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 17 Check If RCPs Must Be Stopped: a.RCPs-ANY RUNNING b.Check the following:
-+4vk444'IKKnkK44ri444,44~
+o RCP&#xb9;1 seal D/P-LESS THAN 220 PSID a.Go to Step 18.b.Go to Step 18.-OR-o RCP&#xb9;1 seal leakoff-LESS THAN 0.25 GPM c.Stop affected RCP(s)*********x x*x%*%*x x*'*%x******************
-EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE14of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED17CheckIfRCPsMustBeStopped:a.RCPs-ANYRUNNINGb.Checkthefollowing:
+CAUTION AN INCREASE IN RCS PRESSURE MAY RESULT IN EXCESSIVE REACTOR VESSEL STRESS.RCS PRESSURE AND TEMPERATURE SHOULD BE MAINTAINED STABLE WHILE PERFORMING SUBSEQUENT STEPS IN THIS PROCEDURE.
-oRCP&#xb9;1sealD/P-LESSTHAN220PSIDa.GotoStep18.b.GotoStep18.-OR-oRCP&#xb9;1sealleakoff-LESSTHAN0.25GPMc.StopaffectedRCP(s)*********
-xx*x%*%*xx*'*%x******************
-CAUTIONANINCREASEINRCSPRESSUREMAYRESULTINEXCESSIVE REACTORVESSELSTRESS.RCSPRESSUREANDTEMPERATURE SHOULDBEMAINTAINED STABLEWHILEPERFORMING SUBSEQUENT STEPSINTHISPROCEDURE.
 x************
-x%Px****x******************
+x%P x****x******************
-CheckPRZRLevel-GREATERTHAN13%t'40:adverseCNMT]Trytorestorelevelwithchargingwhilemaintaining stableRCSpressure.
+Check PRZR Level-GREATER THAN 13%t'40: adverse CNMT]Try to restore level with charging while maintaining stable RCS pressure.IF level can NOT be restored, THEN go to Step 25.
-IFlevelcanNOTberestored, THENgotoStep25.
+V'~',I k X.fit g4 f4,,
-V'~',IkX.fitg4f4,,
+EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 15 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 19 Check I f Normal CVCS Operation Can Be Established a.Verify IA restored: o IA to CNMT (AOV-5392)
-EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE15of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED19CheckIfNormalCVCSOperation CanBeEstablished a.VerifyIArestored:
+-OPEN o IA pressure-GREATER THAN 60 PSIG a.Continue with Step 23.WHEN IA restored, THEN do Steps 19 through 22.b.CCW pumps-ANY RUNNING b.Perform the following:
-oIAtoCNMT(AOV-5392)
+)IF any RCP&#xb9;1 seal outlet temperature offscale high, THEN isolate CCW,to thermal barrier of affected RCP(s).~RCP A, MOV-749A and MOV-759A~RCP B, MOV-749B and MOV-759B c.Verify instrument bus D ENERGIZED d.Charging pump-ANY RUNNING 2)Manually start one CCW pump.c.Energize MCC'.IF MCC B NOT available, THEN perform the following:
--OPENoIApressure-GREATERTHAN60PSIGa.ContinuewithStep23.WHENIArestored, THENdoSteps19through22.b.CCWpumps-ANYRUNNINGb.Performthefollowing:
+)Verify MCC A energized.
-)IFanyRCP&#xb9;1sealoutlettemperature offscalehigh,THENisolateCCW,tothermalbarrierofaffectedRCP(s).~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV-759Bc.Verifyinstrument busDENERGIZED d.Chargingpump-ANYRUNNING2)ManuallystartoneCCWpump.c.EnergizeMCC'.IFMCCBNOTavailable, THENperformthefollowing:
+)Place instrument bus D on maintenance supply.d.Continue with Step 24.WHEN any charging pump running, THEN do Steps 20 through 24.
-)VerifyMCCAenergized.
+'7l G')t''di E.
-)Placeinstrument busDonmaintenance supply.d.ContinuewithStep24.WHENanychargingpumprunning,THENdoSteps20through24.
+EOP: i FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 16 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE 80T OBTAINED,*******%*@**x x*0 x 0*x x**4'0'***%'***x*******CAUTION IF RCS PRESSURE LESS THAN 250 PSIG, THEN PCV-135 SHOULD BE ADJUSTED TO ESTABLISH DESIRED LETDOWN FLOW, NOT TO INCREASE PRESSURE.********~******x*%
-'7lG')t''diE.
+*****x**%****%*******%*20 Establish Normal Letdown: a.Establish charging line flow to REGEN Hx-GREATER THAN 20 GPM b.Place the following switches to CLOSE:~Letdown orifice.valves (AOV-200A, AOV-200B, and AOV-202)~AOV-371, letdown isolation valve~AOV-427, loop B cold leg to REGEN Hx c.Place letdown controllers in MANUAL at 40%open~TCV-130~PCV-135 d.Reset both trains of XY relays for AOV-371 and AOV-427 e.Open AOV-371 and AOV-427 f.Open letdown orifice valves as necessary g.Place TCV-130 in AUTO at 105'F h.Place PCV-135 in AUTO at 250 psig i.Adj ust charging pump speed and HCV-142 as necessary IF RCP seal return has been established, THEN establish excess letdown as follows: o Place excess letdown divert valve, AOV-312, to NORMAL.o Ensure CCW from excess letdown open, (AOV-745)~o Open excess letdown isolation valve AOV-310.o Slowly open HCV-123 to maintain excess letdown temperature less than 195'F and pressure less than 100 psig.o Adjust charging pump speed as necessary.
-EOP:iFR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE16of21STEPACTION/EXPECTED RESPONSERESPONSE80TOBTAINED,
+IF RCP seal return NOT established, THEN consult TSC to determine if excess letdown should be placed in service.
-*******%*@**xx*0x0*xx**4'0'***%'***x*******CAUTIONIFRCSPRESSURELESSTHAN250PSIG,THENPCV-135SHOULDBEADJUSTEDTOESTABLISH DESIREDLETDOWNFLOW,NOTTOINCREASEPRESSURE.
+J'l A EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 17 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 21 Check VCT Makeup System: a.Adjust boric'acid flow control valve in AUTO to 9.5 gpm b.Verify the following:
-********~******x*%
+)RMW mode selector switch in AUTO b.Adjust controls as necessary.
-*****x**%****%*******%*20Establish NormalLetdown:a.Establish charginglineflowtoREGENHx-GREATERTHAN20GPMb.Placethefollowing switchestoCLOSE:~Letdownorifice.valves(AOV-200A, AOV-200B, andAOV-202)~AOV-371,letdownisolation valve~AOV-427,loopBcoldlegtoREGENHxc.Placeletdowncontrollers inMANUALat40%open~TCV-130~PCV-135d.ResetbothtrainsofXYrelaysforAOV-371andAOV-427e.OpenAOV-371andAOV-427f.Openletdownorificevalvesasnecessary g.PlaceTCV-130inAUTOat105'Fh.PlacePCV-135inAUTOat250psigi.AdjustchargingpumpspeedandHCV-142asnecessary IFRCPsealreturnhasbeenestablished, THENestablish excessletdownasfollows:oPlaceexcessletdowndivertvalve,AOV-312,toNORMAL.oEnsureCCWfromexcessletdownopen,(AOV-745)
+)RMW control armed-RED LIGHT LIT c.Check VCT level: o Level-GREATER THAN 20%-OR-o Level-STABLE OR INCREASING c.Manually increase VCT makeup flow as follows: 1)Ensure BA transfer pumps and RMW pumps running.IF NOT,-THEN reset MCC C and MCC D UV lockouts as necessary.
-~oOpenexcessletdownisolation valveAOV-310.oSlowlyopenHCV-123tomaintainexcessletdowntemperature lessthan195'Fandpressurelessthan100psig.oAdjustchargingpumpspeedasnecessary.
+)Place RMW flow control valve HCV-111 in MANUAL and increase RMW flow.3)Increase boric acid flow as necessary.
-IFRCPsealreturnNOTestablished, THENconsultTSCtodetermine ifexcessletdownshouldbeplacedinservice.
+M,)~~ply l 4 t~I tn, EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 18 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 22 Check Charging Pump Suction Aligned To VCT: a.VCT level-GREATER THAN 20%a.IF VCT level can NOT be maintained greater than 5%, THEN perform the following:
-J'lA EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE17of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED21CheckVCTMakeupSystem:a.Adjustboric'acid flowcontrolvalveinAUTOto9.5gpmb.Verifythefollowing:
+)Ensure charging pump suction aligned to RWST o LCV-112B open o LCV-112C closed 2)Continue with Step 23.WHEN VCT level greater than 40%, THEN do Step 22b.b, Verify charging pumps aligned to VCT o LCV-112C-OPEN o LCV-112B-CLOSED b.Manually align valves as necessary.
-)RMWmodeselectorswitchinAUTOb.Adjustcontrolsasnecessary.
+Check PRZR Level-LESS THAN 87%t'754 adverse CNMT]Control charging and letdown as necessary to reduce PRZR level to less than 87%[75%adverse CNMT].If necessary establish excess letdown.IF no letdown available AND CCW to RCPs established, THEN cycle charging pumps as necessary to control PRZR level.
-)RMWcontrolarmed-REDLIGHTLITc.CheckVCTlevel:oLevel-GREATERTHAN20%-OR-oLevel-STABLEORINCREASING c.ManuallyincreaseVCTmakeupflowasfollows:1)EnsureBAtransferpumpsandRMWpumpsrunning.IFNOT,-THENresetMCCCandMCCDUVlockoutsasnecessary.
+&W+~C 4'-.t g4 4&I EOP: FR-P.1 TITLE: RESPONSE TO IMMXNENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 19 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: For optimum long term pressure control, saturated conditions should be restored in the PRZR.24 Verify PRZR Liquid Temperature (TI-424)-AT SATURATION FOR DESIRED PRESSURE IF PRZR liquid temperature low, THEN energize PRZR heaters as necessary to establish desired temperature.
-)PlaceRMWflowcontrolvalveHCV-111inMANUALandincreaseRMWflow.3)Increaseboricacidflowasnecessary.
+Check RCS Subcooling Based On Core Exit T/Cs-BETWEEN O'AND 10'F USXNG FIGURE MIN SUBCOOLXNG IF RCS pressure less than 160 psig[200 psig adverse CNMT), THEN go to Step 26.IF NOT, THEN depressurize using normal spray.IF normal spray NOT available and letdown is in service, THEN use auxiliary spray for any"further depressurization.
-M,)~~plyl4t~Itn, EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE18of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED22CheckChargingPumpSuctionAlignedToVCT:a.VCTlevel-GREATERTHAN20%a.IFVCTlevelcanNOTbemaintained greaterthan5%,THENperformthefollowing:
+Return to Step 16b.IF auxiliary spray NOT available, THEN return to Step 16a.26 Check Cool Down Rate In RCS Cold Legs-GREATER THAN 100'F IN ANY 60 MINUTES PERXOD Return to procedure and step in effect.27 Maintain RCS Pressure And Temperature Stable For At Least 1 Hour a.Control steam dump and feed flow as necessary b.Perform actions of other procedures in effect which do not cool down the RCS or increase RCS pressure until the RCS temperature soak has been completed 4 te 0 r r Q4,/
-)EnsurechargingpumpsuctionalignedtoRWSToLCV-112BopenoLCV-112Cclosed2)ContinuewithStep23.WHENVCTlevelgreaterthan40%,THENdoStep22b.b,VerifychargingpumpsalignedtoVCToLCV-112C-OPENoLCV-112B-CLOSEDb.Manuallyalignvalvesasnecessary.
+EOP: FR-P.1 1'I ZLF.: RESPONSE TO 1MMINENT PRESSURIZED THERMAL SHOCK CONDITION REV'0 PAGE 20 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 28 WHEN 1 HOUR Soak Is Complete, THEN Continue RCS Cooldown And Depressurization As Necessary a.Maintain RCS pressure and cold leg temperature within the limits of Figure SOAK LIMITS b.Establish and maintain cooldown rate in RCS cold legs-LESS THAN 50'F IN ANY 60 MINUTES PERIOD 29 Verify SI Flow Not Required: o RCS subcooling based on core exit T/Cs-GREATER THAN FIGURE MIN SUBCOOLING o RVLIS indication:
-CheckPRZRLevel-LESSTHAN87%t'754adverseCNMT]Controlchargingandletdownasnecessary toreducePRZRleveltolessthan87%[75%adverseCNMT].Ifnecessary establish excessletdown.IFnoletdownavailable ANDCCWtoRCPsestablished, THENcyclechargingpumpsasnecessary tocontrolPRZRlevel.
+o Level-GREATER THAN 68%[73%adverse CNMTj-OR-o Fluid fraction (any RCP running)-GREATER THAN 80%Manually operate SI pumps as necessary.
-&W+~C4'-.tg44&I EOP:FR-P.1TITLE:RESPONSETOIMMXNENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE19of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Foroptimumlongtermpressurecontrol,saturated conditions shouldberestoredinthePRZR.24VerifyPRZRLiquidTemperature (TI-424)-ATSATURATION FORDESIREDPRESSUREIFPRZRliquidtemperature low,THENenergizePRZRheatersasnecessary toestablish desiredtemperature.
+IF RCS subcooling based on core exit T/Cs greater than Figure MIN SUBCOOLING and no RCP running, THEN perform the following:
-CheckRCSSubcooling BasedOnCoreExitT/Cs-BETWEENO'AND10'FUSXNGFIGUREMINSUBCOOLXNG IFRCSpressurelessthan160psig[200psigadverseCNMT),THENgotoStep26.IFNOT,THENdepressurize usingnormalspray.IFnormalsprayNOTavailable andletdownisinservice,THENuseauxiliary sprayforany"furtherdepressurization.
+a.Establish conditions for starting an RCP: o Bus 11A or 11B energized o Refer to Attachment RCP START b.IF conditions established, THEN start one RCP.
-ReturntoStep16b.IFauxiliary sprayNOTavailable, THENreturntoStep16a.26CheckCoolDownRateInRCSColdLegs-GREATERTHAN100'FINANY60MINUTESPERXODReturntoprocedure andstepineffect.27MaintainRCSPressureAndTemperature StableForAtLeast1Houra.Controlsteamdumpandfeedflowasnecessary b.Performactionsofotherprocedures ineffectwhichdonotcooldowntheRCSorincreaseRCSpressureuntiltheRCStemperature soakhasbeencompleted 4te0rrQ4,/
+A s" t tt Q'f,'I)1$'~0"~Jl EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 21 of 21 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 30 Return To Procedure And Step In Effect-END-
-EOP:FR-P.11'IZLF.:RESPONSETO1MMINENTPRESSURIZED THERMALSHOCKCONDITION REV'0PAGE20of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED28WHEN1HOURSoakIsComplete, THENContinueRCSCooldownAndDepressurization AsNecessary a.MaintainRCSpressureandcoldlegtemperature withinthelimitsofFigureSOAKLIMITSb.Establish andmaintaincooldownrateinRCScoldlegs-LESSTHAN50'FINANY60MINUTESPERIOD29VerifySIFlowNotRequired:
+'%+Woe r,'v)>41<'Wa EOP: FR-P.1 TI1'LE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV 10 PAGE 1 of 1 FR-P.1 APPENDIX LIST TITLE PAGES 1)FIGURE MIN SUBCOOLING 2)FIGURE SOAK LIMITS 3)ATTACHMENT RCP START 4)ATTACHMENT SD-1 5)ATTACHMENT CNMT RECIRC FANS 6)ATTACHMENT N2 PORVS I+g$l I iw~ol I g 7 ,I N t>1 tk 0' EOP: FR-P.1 LITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 1 of 1 FIGURE MIN SUBCOOLING NOTE: Subcooling Margin=Saturation Temperature From Figure Below[-]Core Exit T/C Indication RC 2500 2400 2300 2200 2100 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 S PRESSURE (PSIG)RCS PRESSURE INCREHENTS 20 PSIG SUBCOOLED REGION ADVERS E CNHT NORMAL CNHT INADEQUATE SUBCOOL ING REGION TEHPERATURE INCREHENTS 10'F 200 250 300 350 400 450 500 550 600 650 700 CORE EXIT SATURATION TEHPERATURE
-oRCSsubcooling basedoncoreexitT/Cs-GREATERTHANFIGUREMINSUBCOOLING oRVLISindication:
-oLevel-GREATERTHAN68%[73%adverseCNMTj-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%ManuallyoperateSIpumpsasnecessary.
-IFRCSsubcooling basedoncoreexitT/CsgreaterthanFigureMINSUBCOOLING andnoRCPrunning,THENperformthefollowing:
-a.Establish conditions forstartinganRCP:oBus11Aor11Benergized oRefertoAttachment RCPSTARTb.IFconditions established, THENstartoneRCP.
-As"tttQ'f,'I)1$'~0"~Jl EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE21of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED30ReturnToProcedure AndStepInEffect-END-
-'%+Woer,'v)>41<'Wa EOP:FR-P.1TI1'LE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE1of1FR-P.1APPENDIXLISTTITLEPAGES1)FIGUREMINSUBCOOLING 2)FIGURESOAKLIMITS3)ATTACHMENT RCPSTART4)ATTACHMENT SD-15)ATTACHMENT CNMTRECIRCFANS6)ATTACHMENT N2PORVS I+g$lIiw~olIg7,INt>1tk0' EOP:FR-P.1LITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE1of1FIGUREMINSUBCOOLING NOTE:Subcooling Margin=Saturation Temperature FromFigureBelow[-]CoreExitT/CIndication RC25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREHENTS 20PSIGSUBCOOLED REGIONADVERSECNHTNORMALCNHTINADEQUATE SUBCOOLINGREGIONTEHPERATURE INCREHENTS 10'F200250300350400450500550600650700COREEXITSATURATION TEHPERATURE
 (')
-a4kl1i~g(Q"IJ EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE1of1RCS25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000PRESSURE(PSIG)RCSPRESSUREINCREMENTS 20PSIGFIGURESOAKLIMITSREMAINBELOWCURVETEMPERATURE INCREMENTS 10'F200250300350400450500550600650700RCSCOLDLEGTEMPERATURE
+a 4k l1 i~g (Q"I J EOP: FR-P.1 TITLE: RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION REV: 10 PAGE 1 of 1 RCS 2500 2400 2300 2200 2100 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 PRESSURE (PSIG)RCS PRESSURE INCREMENTS 20 PSIG FIGURE SOAK LIMITS REMAIN BELOW CURVE TEMPERATURE INCREMENTS 10'F 200 250 300 350 400 450 500 550 600 650 700 RCS COLD LEG TEMPERATURE
-('F) t4.I}}
+('F) t 4.I}}

ML17263A273: Difference between revisions

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