ML17263A204

Rev 15 to EOP ES-1.3, Transfer to Cold Leg Recirculation.

ML17263A204
Person / Time
Site:	Ginna
Issue date:	03/24/1993
From:	Marlow T ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17263A191	List: ML17263A188 ML17263A193 ML17263A194 ML17263A197 ML17263A199 ML17263A200 ML17263A204
References
ES-1.3, NUDOCS 9304080168
Download: ML17263A204 (46)

Text

EOP: ES-1'TITLE TRANSFER TO COLD LEG RECIRCULATION REV 15 PAGE 1 of 19 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER TECHNICAL REVIEW PORC REVI DATE 9+f PLANT SUPER N E DENT.EFFECTIVE DATE CATEGORY 1'0 REVIEWED BY: '9304080ih8 930330 PDR ADOCK 05000244 P';PDR

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EOP: ES-1.3 TRANSFER TO COLD LEG RECIRCULATION REV: 15 PAGE 2 of 19 A.PURPOSE-This procedure provides the necessary instructions for tiansferring the Safety Injection system and Containment Spray system to recirculation modes of operation.

B.ENTRY CONDITIONS/SYMPTOMS 1.ENTRY CONDITIONS

-This procedure may be entered from: a.E-1, LOSS OF REACTOR OR SECONDARY COOLANT, or, b.ECA-0.2, LOSS OF ALL AC POWER WITH SI REQUIRED;or, c.ECA-2.1, UNCONTROLLED DEPRESSURIZATION OF ALL STEAM GENERATORS, or, d.FR-C.1, RESPONSE TO INADEQUATE CORE COOLING, or, e.FR-C.2, RESPONSE TO DEGRADED CORE COOLING, or, f.FR-C.3, RESPONSE TO SATURATED CORE COOLING, or, g.FR-H.1, RESPONSE TO LOSS OF SECONDARY HEAT SINK, or, h.FR-Z.1, RESPONSE TO HIGH CONTAINMENT PRESSURE, on low RWST level.i.Other procedures whenever RWST level reaches the switchover setpoint (284).

EOP: ES-1'TITLE TRANSFER TO COZEN)LEG RECIRCULATION REV: 15 PAGE 3 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*********************4*****************CD~ON o INJECTION FLOW TO THE RCS SHALL BE MAINTAINED AT ALL TIMES.o 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 VILL BE REQUIRED TO RESTART SAFEGUARDS EQUIPMENT.

o CONSULT WITH HEALTH PHYSICS BEFORE DISPATCHING PERSONNEL TO AUXILIARY BUILDING.NOTE: o FOLDOUT page should be open and monitored periodically.

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 Verify CNMT Sump B Level-GREATER THAN 113 INCHES~RWST level is less than 28%AND CNMT sump B level is less than 113 inches, THEN go to ECA-1.2, LOCA OUTSIDE CONTAINMENT, Step l.NOTE: Steps 2'hrough 11 should be performed without delay.FR procedures should not be implemented prior to completion of these steps.2 Reset SI

ElP: ES-1.3 TRANSFER To COLD LEG RECIRCULATION REV 15 PAGE 4 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: IF D/Gs supplying emergency AC busses, THEN non-essential loads may be shed as necessary to allow start of additional SW pumps, 3 Establish Adequate SW Flov: a.Verify at least two SW pumps RUNNING b.Verify AUX BLDG SW isolation valves-OPEN~MOV-4615 and MOV-4734~MOV-4616 and MOV-4735 a.Start additional SW pumps as power supply permits (258 kw each).IF only 1 SW pump operable,~Eg perform the following:

1).Ensure Attachment MIN SW is complete.2)Go to Step 4.b.Establish SW to AUX BLDG (Refer to Attachment AUX BLDG SW).c.Dispatch AO to verify total SW flow to CCW Hxs-GREATER THAN 5000 GPM c.Perform the following:

1)Isolate SW to screenhouse and air conditioning headers.~MOV-4609 and MOV-4780~MOV-4663 and MOV-4733 2)Direct AO to locally ad]ust total SW flow to the CCW Hxs to between 5000 gpm and 6000 gpm (V-4619 and V-4620).3)Direct AO to locally isolate SW return from SFP Hxs:~SFP Hx A (V-4622)~SFP Hx B (V-8689)4)Verify SW portions of Attachment SD-1 are complete.

EOP: ES-1'T1TLE: TRANSFER TO COLD LEG RECIRCULATION REV: 15 PAGE 5 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 4 Establish CCR flow to RHR Hxs: a.Check both CCW pumps-RUNNING b.Manually open CCW valves to RHR Hxs a.Start CCW pumps as power supply permits (124 kw each).b.Dispatch AO to locally open.valves.~MOV-738A~MOV-738B****************************4'***********CAUTION o CONSULT WITH HEALTH PHYSICS BEFORE DISPATCHING PERSONNEL TO AUXILIARY BUILDING.o THE RHR HX OUTLET VALVES (HCV-624 AND HCV-625)WILL FAIL OPEN ON LOSS OF INSTRUMENT AIR PRESSURE.5 Check RHR Flow: o Both RHR pumps-RUNNING o RHR flow (FI-626)-LESS THAN 1500 GPM PER OPERATING PUMP Manually adjust RHR Hx outlet valves equally to reduce flow to less than 1500 gpm per operating pump~~RHR Hx B, HCV-624~RHR Hx A, HCV-625.IF flow can NOT be reduced manually, THEN dispatch an AO to locally adjust RHR Hx outlet manual valves equally to reduce flow.~RHRHx B, V-715~RHR Hx A, V-717

EOP ES-1.3 T1TLE: TRANSFER TO COLD LEG RECIRCULATION REV: 15 PAGE 6 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*************'k***************************CAUTION ANY PUMPS TAKING SUCTION FROM RWST SHOULD BE STOPPED UPON REACHING RWST LO-LO LEVEL ALARM.6 Check IF Unnecessary Pumps Can Be Stopped: a.Three SI pumps-RUNNING b, Stop SI pump C and place both switches in PULL STOP a.Go to Step 6c.c.Both CNMT spray pumps-RUNNING d.Pull stop one CNMT spray pump e.Stop both RHR pumps and place in PULL STOP c.Pull stop any idle CNMT spray pump and go to Step 6e.

I EOP ES-1.3 TlTLE: TRANSFER TO COLD LEG RECIRCULATION REV: 15 PAGE 7 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 7 Verify RHR System Alignment:

a.Verify the following valves-CLOSED o RHR suction valves from loop A hot leg~MOV-700~MOV-701 a.Ensure at least one suction valve and one discharge valve closed.o RHR discharge valves to loop B cold leg~MOV-720~MOV-721 b.Verify RHR pump suction crosstie valves-OPEN~MOV-704A~MOV-704B b.Manually open valves.If valves can NOT be opened, THEN dispatch AO to locally open valves.c.Verify the following valves OPEN o RHR pump discharge to Rx vessel deluge valves~MOV-852A~MOV-852B c.Ensure at least one valve in each set open.o RHR suction from sump B (inside CNMT)~MOV-851A~MOV-851B d.Verify RCDT pump suction valves from sump B-CU)SED~MOV-1813A~MOV-1813B~d.Manually close valves.

EOP: ES-1.3 TITLE: TRANSFER TO COLD LEG RECIRCULATION REV 15 PAGE 8 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*****************************************CAUTION RHR FLOW INDICATED ON FI-626 SHOULD BE LIMITED TO 1500 GPM PER OPERATING PUMP TO ENSURE OPTIMUM PUMP PERFORMANCE.

8 Initiate RHR Sump Recirculation:

a.Close RWST outlet valve to RHR pump suction, MOV-856 (turn on.DC power key switch)b.Open both RHR suction valves from sump B (outside CNMT)o MOV-850A-OPEN o MOV-850B-OPEN c.Start both RHR pumps d.Verify at, least one RHR pump-RUNNING a.Dispatch AO to locally close valve and continue with Step 8b.b.IF two RHR pump suction paths from sump B can NOT be established, THEN perform the following:

1)Initiate only one train of RHR recirculation (Refer to Attachment RHR NPSH for further guidance).

2)Go to Step 9.d.IF no RHR pump can be started, THEN go to ECA-1.1, LOSS OF EMERGENCY COOLANT RECIRCULATION, Step l.

f'I II EOP: ES-1.3 TITLE: TRANSFER TO COLD LEG RECIRCULATION REV 15 PAGE 9 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED I NOTE: The TSC should be requested to establish periodic monitoring of the AUX BLDG sub-basement, as radiological conditions permit, to monitor RHR pump operation.

9 Check RWST Level-LESS THAN 154 DO NOT continue with this procedure until RWST level is less than 15%.10 Stop All Pumps Supplied Prom RWST a.Stop all SI pumps and place in PULL STOP b.Stop all charging pumps c.Stop operating CNMT spray pump and place in PULL STOP d.Check CNMT pressure-LESS THAN 28 PSIG d.Go to Step 11.e.Reset CNMT spray if necessary f.Close CNMT spray pump discharge valves~MOV-860A~MOV-860B~MOV-860C~MOV-860D E il~

EOP: ES-1'TITLE: TRANSFER TO COLD LEG RECIRCULATION REV: 15 PAGE 10 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 11 Align SI And CNMT Spray For Sump Recirculation:

a.Verify SI pump suction valves from BASTs-CLOSED~MOV-826A and MOV-826B~MOV-826C and MOV-826D a.Ensure at least one valve in each flowpath closed.~b, Close and verify closed RWST outlet valves to SI and CNMT spray pumps (turn on DC power key switches)~MOV-896A~MOV-896B W c.Close and verify closed SI pump RECIRC valves b.Ensure at least one valve closed.c.Ensure at least one valve closed.~MOV-898~MOV-897 d.Verify SI pump suction valves from RWST-OPEN d.Ensure at least one valve open.~MOV-825A~MOV-825B e.Open and verify open RHR Hx outlet valves to Sl'nd CNMT spray pump suction~MOV-857A~MOV~857B~MOV.'-.857 C e.Ensure at least one RHR pump(s)aligned to SI and CS pump suction header (Refer to Attachment RHR SYSTEM).

EOP: ES-1.3 TITLE: TRANSFER TO COLD LEG RECIRCULATION REV 15 PAGE 11 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*****************************************CAUTION SI PUMPS SHOULD BE STOPPED IF RCS PRESSURE IS GREATER THAN THEIR SHUTOFF HEAD PRESSURE.NOTE: Operation of SI pump C is.preferred since it delivers to both RCS loops.12 Verify Adequate RCS Makeup Flow: a.RCS pressure-LESS THAN 225 psig[425 psig adverse CNMT]a.Perform the following:

1)Check RCS conitions:

o RCS subcooling based on core exit T/Cs greater than Figure MIN SUBCOOLING.

o PRZR level greater than 5%[30%adverse CNMT], IF either condition NOT met, THEN start one SI pump.b.RHR injection flow adequate: o Core exit T/Cs-LESS THAN REQUIREMENTS OF FIGURE RHR INJECTION 2)Go to Step 13.!b.Start one SI pump.o Check RVLIS level (no RCPS)GREATER THAN 43%[46%adverse.CNMTJ

EOP: ES-1.3 TRANSFER TO COLD LEG RECIRCULATION REV 15 PAGE 12 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED************************************.*****CAUTION IF A CNMT SPRAY PUMP IS STARTED, THEN CNMT PRESSURE SHOULD BE CLOSELY MONITORED.

CNMT PRESSURE SHOULD NOT BE REDUCED TO LESS THAN 32 PSIG.13 Check If CNMT Spray Is Required: a.CNMT pressure-GREATER THAN 37 PSIG b.Verify open CNMT spray pump discharge valves~MOV-860A~MOV-860B~MOV-860C~MOV-860D a.Perform the following:

1)IF CNMT spray previously actuated and NaOH tank level greater than 55%, THEN consult TSC to determine if CNMT spray should be restarted.

2)Go to Step 14.b.Manually open valve(s)for selected pump.~CS pump A, MOV-860A or MOV-860B~CS pump B, MOV-860C or MOV-860D c.Start selected CNMT spray pump d.Open NaOH tank outlet valves for running pump~CS pump A, AOV-836A~CS pump B, AOV-836B e.WHEN CNMT pressure decreases to 32 psig, THEN PUJL STOP CNMT spray pump

EOP: ES-1'TRANSFER TO COLD LEG RECIRCULATION REV'5 PAGE 13 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 14 Verify Adequate Core Cooling: o Core exit T/Cs-STABLE OR DECREASING o RVLIS level (no RCPs)-STABLE OR INCREASING IF both RHR pumps running, THEN ensure two SI pumps running.IF only one RHR pump running, THEN perform the following:

a.EnSure one SI pump running.o RVLIS level (no RCPs)-GREATER THAN 43%[46%adverse CNMT]b.WHEN CNMT spray pumps stopped, THEN start one additional SI pump~*****************************************CAUTION IF CST LEVEL DECREASES TO LESS THAN 5 feet, THEN ALTERNATE WATER SOURCES FOR AFW PUMPS WILL BE NECESSARY (REFER TO ER-AFW.1, ALTERNATE WATER SUPPLY TO AFW PUMPS).NOTE: TDAFW pump flow control valves fail open on loss of IA.*15 Monitor Intact S/G Levels: a.Narrow range level-GREATER THAN 5S[25%adverse CNMT]b.Control feed flow to maintain narrow;range level between 17%[25%"adverse CNMT]and 50%a.Maintain total feed flow greater than 200 gpm until narrow range level greater than 58[25%adverse CNMT]in at least one S/G.

,~

EOP: ES-1.3 TRANSFER TO COLD LEG RECIRCULATION REV: 15 PAGE 14 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 16 Establish Normal Shutdown Alignment:

a.Check condenser-AVAILABLE a.Dispatch AO to perform Attachment SD-2.b.Perform the following:

o Open generator disconnects

~1G13A71~9X13A73 o Place voltage regulator to OFF o Open turbine drain valves o Rotate reheater steam supply controller cern to close valves o Place reheater dump valve switches to HAND o Stop all but one condensate pump c.Verify adequate Rx head cooling: 1)Check IA to CNMT-AVAILABLE 2)Verify at least one control rod shroud fan-RUNNING 1)Go, to Step 16d.2),Manually start one fan as power supply permits (45 kw)3)Verify one Rx compartment cooling fan-RUNNING 3)Perform the following:

o Dispatch AO to reset UV relays at MCC C and MCC D.o Manually start one fan as power supply permits (23 kw)d.Verify Attachment SD-1-COMPLETE

EOP: ES-1.3 TITLE: TRANSFER TO COLD LEG RECIRCULATION REV 15 PAGE 15 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 17 Check If Emergency D/Gs Should Be Stopped: a.Verify AC emergency busses energized by offsite power:/o Emergency D/G output breakers OPEN a.Try to restore of fsite power (Refer to ER-ELEC.l, RESTORATION OF OFFSITE POWER).o AC emergency bus voltage-GREATER THAN 420 VOLTS o AC emergency bus normal feed breakers-CLOSED b.Stop any unloaded emergency D/G and place in standby (Refer to Attachment D/G STOP) i EOP: ES-1.3 TRANSFER TO COLD LEG RECIRCULATION REV'5 PAGE 16 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED.18 Check If SI ACCUMs Should Be Isolated:, a.Both RCS hot leg temperatures-LESS THAN 400'F b.Dispatch AO with locked valve key to locally close breakers for SI ACCUM discharge valves~MOV-841, MCC C position 12F~MOV-865, MCC D position 12C c.Close SI ACCUM discharge valves~ACCUM A, MOV-841~ACCUM B, MOV-865 a.Continue with Step 19.WHEN both RCS hot leg temperatures less than 400'F, THEN do Steps 18b through d.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.

EOP ES-1'7 1TLE: TRANSFER TO COLD LEG RECIRCULATION REV 15 PAGE 17 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*********Q*************.4'****************CAUTION IF FUEL DAMAGE IS SUSPECTED, MAINTAIN S/G PRESSURE SLIGHTLY GREATER THAN RCS PRESSURE.*19 Check If Intact S/Gs Should Be Depressurized To RCS Pressure: a.RCS pressure-LESS THAN INTACT S/G PRESSURES b.Check S/G radiation-NORMAL o Steamline Monitors (R-31, R-32)a.Go to Step 20.b.Do NOT dump steam from a S/G with high radiation.

Isolate feed flow to a S/G with high radiation.

o Direct HP to sample S/Gs for activity c.Dump steam to condenser from intact S/G(s)until S/G pressure less than RCS pressure, c.IF steam dump to condenser NOT available, THEN dump steam using intact S/G ARVs until S/G pressure less than RCS pressure.20 Consult TSC to Determine If Rx Vessel Head Should Be Vented

'I EOP: ES-1.3 T1TLE2 TRANSFER TO COLD LEG RECIRCULATION REV: 15 PAGE 18 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: This procedure should be continued while obtaining CNMT hydrogen sample in Step 21.21 Check CNMT Hydrogen Concentration:

a.Direct HP to start CNMT hydrogen monitors as necessary b.Hydrogen concentration

-LESS THAN 0.5%b.Consult TSC to determine if hydrogen recombiners should be placed in service.NOTE: The TSC should be consulted before changing recirculation lineups.22 Check Event Duration-GREATER THAN 19 HOURS AFTER EVENT INITIATION Consult TSC to evaluate long term plant status.23 Place CNMT Spray Pumps In PULL STOP 24 Verify Two SI Pumps-RUNNING Manually start pumps.25 Check Core Exit T/Cs-LESS THAN REQUIREMENTS OF FIGURE RHR INJECTION Perform the following:

a.Manually open both PRZR PORVs and block valves.b.Verify core exit T/Cs decreasing to less than requirements of Figure RHR INJECTION.

IF NOT, THEN dump steam from intact S/Gs until core exit T/Cs less than required.

EOP: ES-1 3 TRANSFER TO COLD LEG RECIRCULATION REV: 15 PAGE 19 of 19 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 26 Consult,TSC To Evaluate Long Term Plant Status-END-

EOP: ES-1.3 TRANSFER TO COLD LEG RECIRCULATION REV 15 PAGE 1 of 1 ES-1.3 APPENDIX LIST TITLE 1)RED PATH

SUMMARY

2)FIGURE RHR INJECTION 3)FIGURE MIN SUBCOOLING 4)ATTACHMENT D/G STOP 5)ATTACHMENT SD-1 6)ATTACHMENT SD-2 7)ATTACHMENT RHR NPSH 8)ATTACHMENT RHR SYSTEM 9)ATTACHMENT AUX BLDG SW 10)ATTACHMENT SW LOADS IN CNMT ll)ATTACHMENT MIN SW 12)FOLDOUT PAGES I I

,r ES-1.3 TRANSFER TO COLD LEG RECIRCULATION REV: 15 PAGE 1 of 1 RED PATH

SUMMARY

a.SUBCRITICALITY

-Nuclear power greater than 54 b.CORE COOLING-Core exit T/Cs greater than 1200'F-OR-Core exit T/Cs greater than 700'F AND RVLIS level (no RCPs)less than 434[464 adverse CNMT]c.HEAT SINK-Narrow range level in all S/Gs less than 54[254 adverse CNMT]AND total feedwater flow less than 200 gpm d.INTEGRITY-Cold leg temperatures decrease greater than 100 F in last 60 minutes AND RCS cold leg temperature less than 285'F e.CONTAINMENT

-CNMT pressure greater than 60 psig

'C I~

EOP: ES-1.3 TITLE: TRANSFER TO COLD LEG RECIRCULATION REV: 15" PAGE 1 of 1 CORE EXIT TEMPERATURE

('F)600 TEMPERATURE INCREHENTS 10'F 550 FIGURE RHR INJECTION 500 450 400 INITIATE HIGH HEAD INJECTION 350 300 250 200=10 RHR INJECTION ADEQUATE 20 30 40 CONTAINMENT PRESSURE (PSIG)CNNT PRESSURE INCREMENTS I PSIG 50 60

EOP: ES-1'TRANSFER TO COLD LEG RECIRCULATION REV'5 PAGE 1 of 1 FOLDOUT PAGE 1.SI REINITIATION CRITERIA IF EITHER condition listed below occurs, THEN operate SI pumps manually as necessary:

o Core exit TCs-GREATER THAN REQUIREMENTS OF FIGURE RHR INJECTION OR o RVLIS level-LESS THAN 434[464 adverse CNMT]2.AFW SUPPLY SWITCHOVER CRITERION IF CST level decreases to less than 5 feet, THEN switch to alternate AFW, water supply (Refer to ER-AFW.1, ALTERNATE WATER SUPPLY TO AFW PUMPS).

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