ML17309A575

Rev 14 to EOP ECA-3.2, SGTR W/Loss of Reactor Coolant- Saturated Recovery Desired.

ML17309A575
Person / Time
Site:	Ginna
Issue date:	04/20/1995
From:	Marlow T ROCHESTER GAS & ELECTRIC CORP.
To:
References
ECA-3.2, NUDOCS 9504280023
Download: ML17309A575 (127)

Text

EOP: ECA-3.2 T!TLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 1 of 25 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER TECHNICAL REVIEW PORC REVIEW DATE PLANT SUPERINTENDENT W-ad-%EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY:<C'r~~~v~U i 9504280023 950420 PDR ADOCK 05000244...P,,,PDR,~t, ou 0 (

fw I E EOP: FCA-3.2 SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 2 of 25 A.PURPOSE-This procedure provides actions to cool down and depressurize the RCS to cold shutdown conditions while minimizing loss of RCS inventory and voiding in the RCS.B.ENTRY CONDITIONS/SYMPTOMS 1.ENTRY CONDITIONS

-This procedure is entered from: a.ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT-SUBCOOLED RECOVERY DESIRED, when RWST level is low without a corresponding increase in containment sump level.b.ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT SUBCOOLED RECOVERY DESIRED, when the ruptured S/G level is high and plant staff selects saturated recovery method.

E gY 1(w EOP: ZCA-3.2 TITLE SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 3 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*****************************************CAUTION IF RWST LEVEL DECREASES TO LESS THAN 28%, THEN THE SI SYSTEM SHOULD BE ALIGNED FOR COLD LEG RECIRCULATION USING ES-1.3, TRANSFER TO COLD LEG RECIRCULATION.

NOTE: o Steps 1 through 15 of ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT SUBCOOLED RECOVERY DESIRED, should be performed before continuing with this procedure.

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 Add Makeup To RWST As Necessary:

o Refer to S-9J, BLENDING TO RWST-OR-o Refer to S-3.2D, TRANSFERRING WATER FROM CVCS HUT(S)TO RWST TO SFP-OR-o Refer to Attachment SFP-RWST I C g.g l EOP: RCA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 4 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*****************************************CAUTION 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 WILL BE REQUIRED TO RESTART SAFEGUARDS EQUIPMENT.

o RCS PRESSURE SHOULD BE MONITORED.

IF RCS PRESSURE DECREASES TO LESS THAN 250 PSIG[465 PSIG ADVERSE CNMT], THEN THE RHR PUMPS MUST BE MANUALLY RESTARTED TO SUPPLY WATER TO THE RCS.2 Check If RHR Pumps Should Be Stopped: a.Check RCS pressure: l)Pressure-GREATER THAN 250 psig[465 psig adverse CNMT]2)RCS pressure-STABLE OR INCREASING b.Stop RHR pumps and place in AUTO a.Go to Step 3.

EOP: ZCA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 5 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*****************************************CAUTION IF ANY RUPTURED S/G IS FAULTED, FEED FLOW TO THAT S/G SHOULD REMAIN ISOLATED DURING SUBSEQUENT RECOVERY ACTIONS UNLESS NEEDED FOR RCS COOLDOWN.*3 Monitor Ruptured S/G Level: a.Narrow range level-GREATER THAN 5%[25%adverse CNMT]a.IF ruptured S/G NOT faulted, THEN perform the following:

l)Maintain feed flow to ruptured S/G until level greater than 5%[25%adverse CNMT].2)Continue with Step 4.WHEN ruptured S/G level greater than 5%[25%adverse CNMT], THEN do Steps 3b through e.b.Close MDAFW pump discharge valve to ruptured S/G~S/G A, MOV-4007~S/G B, MOV-4008 c.Pull stop MDAFW pump for ruptured S/G d.Close TDAFW pump flow control valve to ruptured S/G~S/G A, AOV-4297~S/G B, AOV-4298 e.Verify MDAFW pump crosstie valves-CLOSED b.Dispatch AO to locally close valve.d.Dispatch AO with locked valve key to locally close TDAFW pump manual feedwater isolation valve to ruptured S/G.~S/G A, V-4005~S/G B, V-4006 e.Manually close valves.~MOV-4000A~MOV-4000B

'4 EOP: ZCA-3 2 TITLE: L SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 6 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 4 Check If S/G Secondary Side Is Intact: o Pressure in both S/Gs-STABLE OR INCREASING IF any S/G pressure decreasing in an uncontrolled manner OR completely depressurized, THEN verify faulted S/G isolated unless needed for RCS cooldown: o Pressure in both S/Gs-GREATER THAN 100 PSIG~Steamlines

~Feedlines IF NOT, THEN go to E-2, FAULTED STEAM GENERATOR ISOLATION, Step 1.*****************************************CAUTION IF CST LEVEL DECREASES TO LESS THAN 5 FEET, THEN ALTERNATE WATER SOURCES FOR AFW PUMPS WILL BE NECESSARY (REFER TO ER-AFW.l, ALTERNATE WATER SUPPLY TO AFW PUMPS).NOTE: TDAFW pump flow control valves fail open on loss of IA.*5 Monitor Intact S/G Level: a.Narrow range level-GREATER THAN 5%[25%adverse CNMT]a.Maintain total feed'flow greater than 200 gpm until narrow range level greater than 5%[25%adverse CNMT]in at least one S/G.b.Control feed flow to maintain narrow range level between 17%[25%adverse CNMT]and 50%b.IF pa<row range level in the intact S/G continues to increase in an uncontrolled manner, THEN consider isolating unnecessary release paths:~TDAFW pump steam supply valves~S/G blowdown valves~Refer to Attachment RUPTURED S/G k t tf Lw EOP: ECA-3.2 SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 7 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: Shutdown margin should be monitored during RCS cooldown.Refer to Figure SDM.6 Initiate RCS Cooldown To Cold Shutdown: a.Establish and maintain cooldown rate in RCS cold legs-LESS THAN 100'F/HR b.Use RHR system if in service c.Dump steam to condenser from intact S/G c.Manually or locally dump steam using intact S/G ARV.IF no intact S/G available, THEN perform the following:

o Use faulted S/G.-OR-o IF RHR system NOT in service, THEN use ruptured S/G.7 Check RCS Subcooling Based On Core Exit T/Cs-GREATER THAN O'F USING FIGURE MIN SUBCOOLING Go to Step 19.8 Check Safeguards Pump Status o SI pumps-ANY RUNNING Go to Step 15.-OR-o RHR pumps-ANY RUNNING IN INJECTION MODE dp EOP: T"CA-3.2 TITLE SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 8 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 9 Place PRZR Heater Switches In The Following Positions:

o PRZR heater control group-PULL STOP o PRZR heater backup group-OFF*****%***********************************I CAUTION VOIDING MAY OCCUR IN THE RCS DURING RCS DEPRESSURIZATION.

THIS WILL RESULT IN A RAPIDLY INCREASING PRZR LEVEL.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 PRZR PORV, select one with an operable block valve.10 Depressurize RCS To Refill PRZR: a.Use normal PRZR spray valve associated with running RCP~PCV-431A for A RCP~PCV-431B for B RCP b.PRZR level-GREATER THAN 13%[40%adverse CNMT]c.Stop RCS depressurization a.Use one PRZR PORV.IF IA NOT available, THEN refer to Attachment N2 PORVS.IF no PORV available, THEN use auxiliary spray valve.b.Continue with Step ll.WHEN level greater than 13%[40%adverse CNMT], THEN stop RCS depressurization.

0\'" fO't FCA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 9 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*****************************************CAUTION o IF RCP SEAL COOLING HAD PREVIOUSLY BEEN LOST, THEN THE AFFECTED RCP SHOULD NOT BE STARTED PRIOR TO A STATUS EVALUATION.

o INADVERTENT CRITICALITY MAY OCCUR FOLLOWING NATURAL CIRCULATION COOLDOWN IF THE RCP IN THE RUPTURED LOOP IS STARTED FIRST.ll Check If An RCP Should Be Started: a.Both RCPs-STOPPED b.RCS subcooling based on core exit T/Cs-GREATER THAN O'USING FIGURE MIN SUBCOOLING a.Stop all but one RCP and go to Step 12.b.Go to Step 19.c.PRZR level-GREATER THAN 13%[40%adverse CNMT]d.Try to start an RCP 1)Establish conditions for starting an RCP o Bus 11A or 11B energized o Refer to Attachment RCP START c.Return to Step 10.2)Start one RCP I v 0 Ep EOP: ,ECA-3.2 SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 10 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 12 Check If One Of Three SI*Pumps Should Be Stopped: a.Three SI pumps-RUNNING b.RCS subcooling based on core exit T/Cs-GREATER THAN 10'F[10'F adverse CNMT]USING FIGURE MIN SUBCOOLING a.Go to Step 13.b.IF RCS hot leg temperatures greater than 320'F[310'F adverse CNMT]OR IF RHR normal cooling in service, THEN go to Step 19.IF RHR normal cooling NOT in service AND RCS hot leg temperatures less than 320'F[310'F adverse CNMT], THEN ensure at least one RHR pump running in injection mode and go to Step 12c.IF no RHR pump can be operated in injection mode, THEN go to Step 19.c.Check PRZR level-GREATER THAN 13%[40%adverse CNMT]c.Do NOT stop SI pump.Return to Step 10.d.Stop one SI pump

ECA-3.2 SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 11 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 13 Check If One Of Two SI Pumps Should Be Stopped: a.Two SI pumps-RUNNING b.RCS subcooling based on core exit T/Cs-GREATER THAN 35'F[35'F adverse CNMT]USING FIGURE MIN SUBCOOLING a.Go to Step 14.b.IF RCS hot leg temperatures greater than 320'F[310'F adverse CNMT]OR IF RHR normal cooling in service, THEN go to Step 19.IF RHR normal cooling NOT in service AND RCS hot leg temperatures less than 320'F[310'F adverse CNMT], THEN ensure at least one RHR pump running in injection mode and go to Step 13c.IF no RHR pump can be operated in injection mode, THEN go to Step 19.c.PRZR level-GREATER THAN 13%[40%adverse CNMT]d.Stop one SI pump c.Do NOT stop SI pump.Return to Step 10.

a,l 0 T T.2 EOP: ECA-3.2 TITLES SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 12 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 14 Check If Last SI Pump Should Be Stopped: a.One SI pump-RUNNING b.Determine required RCS subcooling from table: a.IF any RHR pump running in injection mode, THEN go to Step 19.IF NOT, THEN go to Step 15.Charging Pump Availability NONE ONE TWO THREE RCS Subcooling Criteria Insufficient subcooling to stop SI pump.215'F[215'F adverse CNMT]150'F[150'F adverse CNMT]80'F[80'F adverse CNMT]c.RCS subcooling based on core exit T/Cs-GREATER THAN VALUE FROM TABLE ABOVE USING FIGURE MIN SUBCOOLING c.IF RCS hot leg temperatures greater than 320'F[310'F adverse CNMT]OR IF RHR normal cooling in service, THEN go to Step 19.IF RHR normal cooling NOT in service AND RCS hot leg temperatures less than 320'F[310'F adverse CNMT), THEN ensure at least one RHR pump running in injection mode and go to Step 14d.IF no RHR pump can be operated in injection mode, THEN go to Step 19.d.PRZR level-GREATER THAN 13%[40%adverse CNMT]e.Stop running SI pump d.Do NOT stop SI pump.Return to Step 10.

t'4 EOP: ECA-3.2 I SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 13 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 15 Check If Charging Flow Should Be Controlled To Maintain RCS Inventory:

a.Check RHR pumps-RUNNING IN INJECTION MODE a.Perform the following:

1)Control charging flow to maintain RCS inventory:

o RVLIS level (no RCPs)BETWEEN 68%AND 73%[73%AND 76%adverse CNMT]-OR-o RVLIS fluid fraction (any RCP running)-BETWEEN 80%AND 90%b.Go to Step 19 2)Go.to Step 16.

A l, C EOP: ECA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 14 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*****************************************CAUTION o IF RCP SEAL COOLING HAD PREVIOUSLY BEEN LOST, THEN THE AFFECTED RCP SHOULD NOT BE STARTED PRIOR TO A STATUS EVALUATION.

o INADVERTENT CRITICALITY MAY OCCUR FOLLOWING NATURAL CIRCULATION COOLDOWN IF THE RCP IN THE RUPTURED LOOP IS STARTED FIRST.16 Check RCP Status: a.RCPs-AT LEAST ONE RUNNING a.Perform the following:

1)Establish conditions for starting an RCP: o Verify bus 11A or 11B energized.

o Refer to Attachment RCP START.2)Start one RCP.IF an RCP can NOT be started, THEN verify natural circulation (Refer to Attachment NC).IF natural circulation NOT verified,'HEN increase dumping steam b.Stop all but one RCP

~')

EOP: ECA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 15 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*****************************************CAUTION o VOIDING MAY OCCUR IN THE RCS DURING RCS DEPRESSURIZATION.

THIS WILL RESULT IN A RAPIDLY INCREASING PRZR LEVEL.o IF SI HAS BEEN TERMINATED, THE ACCUMS SHOULD BE ISOLATED PRIOR TO DEPRESSURIZING THE RCS TO LESS THAN 1000 PSIG.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 PRZR PORV, select one with an operable block valve.C 17 Depressurize RCS To Saturation At Core Exit: a.Determine saturation pressure for core exit T/Cs using Figure TSAT b.Use normal PRZR spray valves associated with running RCP~PCV-431A for A RCP~PCV-431B for B RCP c.Energize PRZR heaters as necessary d.Depressurize RCS until EITHER of the following conditions satisfied:

b.Use one PRZR PORV.IF IA NOT available, THEN refer to Attachment N2 PORVS.IF PORV NOT available, THEN use auxiliary spray valve (AOV-296).

o PRZR level-GREATER THAN 75%[65%adverse CNMT)-OR-o RCS pressure-AT SATURATION FROM STEP 17a

EOP: ECA-3.2 SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 16 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 18 Verify Adequate Shutdown Margin a.Direct RP to sample RCS and ruptured S/G for boron concentration b.Verify boron concentration-GREATER THAN REQUIREMENTS OF FIGURE SDM b.Borate as necessary.

• 19 Monitor SZ Reinitiation Criteria: a.Core exit T/Cs-DECREASING b.Check RVLIS indication:

o Level (no RCPs)-GREATER THAN 68%[73%adverse CNMTj-OR-a.Increase dumping steam.IF core exit T/Cs do NOT decrease, THEN manually operate SI pumps as necessary.

b.Manually operate SI pumps as necessary.

o Fluid Fraction (any RCP running)-GREATER THAN 80%

pa~y~y EOP: ECA-3.2 SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 17 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 20 Check If SI ACCUMs Should Be Isolated: a.RCS subcooling based on core exit T/Cs-GREATER THAN O'USING FIGURE MIN SUBCOOLING a.IF both RCS hot leg temperatures less than 400'F, THEN go to Step 20c.IF NOT, THEN go to Step 21.b.PRZR level-GREATER THAN 5%[30%adverse CNMT]c.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 d.Close SI ACCUM discharge valves~MOV-841~MOV-865 b.Return to Step 10.d.Vent any unisolated ACCUMs: 1)Open vent valves for unisolated SI ACCUMs.~ACCUM A, AOV-834A~ACCUM B, AOV-834B e.Locally reopen breakers for MOV-841 and MOV-865 2)Open HCV-945.

EOP:.ECA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 18 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 21 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 offsite power (Refer to ER-ELEC.1, 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)22 Minimize Secondary System Contamination:

a.Isolate reject from hotwell to CST'Place hotwell level controller (HC-107)in MANUAL at 50%a.IF hotwell level, increasing, THEN direct RP to sample hotwells for activity.o Verify hotwell level-STABLE b.Verify local actions to complete isolation of ruptured S/G (Refer to Attachment RUPTURED S/G)

!l'4 E,%V EOP: ECA-3'TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 19 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 23 Verify Adequate SW Flow To CCW Hx: a.Verify at least two SW pumps RUNNING'.Verify AUX BLDG SW isolation valves-OPEN~MOV-4615 and MOV-4734~MOV-4616 and MOV-4735 a.Manually start pumps as power supply permits (258 kw per pump).IF less than two SW pumps can be operated, THEN go to Step 24.b.Establish SW to AUX BLDG (Refer to Attachment AUX BLDG SW).c.Verify CNMT RECIRC fan annunciator C-2, HIGH TEMPERATURE ALARM-EXTINGUISHED c.Dispatch AO to locally throttle flow to CCW Hx to between 5000 gpm and 6000 gpm total flow.24 Check RCP Cooling a.Check CCW to RCPs Establish normal cooling to RCPs (Refer to Attachment SEAL COOLING).o Annunciator A-7, RCP lA CCW RETURN HIGH TEMP OR LOW FLOW EXTINGUISHED o Annunciator A-15, RCP 1B CCW RETURN HIGH TEMP OR LOW FLOW EXTINGUISHED b.Check RCP seal injection o Labyrinth seal D/Ps-GREATER THAN 15 INCHES OF WATER-OR-o RCP seal injection flow to each RCP-GREATER THAN 6 GPM C

EOP: ECA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 20 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 25 Check If Seal Return Flow Should Be Established:

a.Verify instrument bus D-ENERGIZED b.Verify RCP¹1 seal outlet temperature

-LESS THAN 235'F c.Verify RCP seal outlet valves OPEN~AOV-270A~AOV-270B d.Reset both trains of XY relays for RCP seal return isolation valve MOV-313 e.Open RCP seal return isolation valve MOV-313 f.Verify RCP¹1 seal leakoff flow LESS THAN 5.5 GPM g.Verify RCP¹1 seal leakoff flow GREATER THAN 0.8 GPM a.Perform the following:

1)Ensure.steam dump mode control in MANUAL.2)Restore power to instrument bus D from MCC B or MCC A (maintenance supply).b.Go to Step 26.c.Manually open valves as necessary.

e.Perform the following:

1)Place MOV-313 switch to OPEN.2)Dispatch AO with key to RWST gate to locally open MOV-313 f.Perform the following:

1)Trip the affected RCP 2)Allow 3 minutes for pump coast down, THEN close the affected RCP seal discharge v'al've~RCP A, AOV-270A~RCP B, AOV-270B IF both RCP seal discharge valves are shut, THEN go to Step 26.g.Refer t'o AP-RCP.1, RCP SEAL MALFUNCTION.

I 0 EOP: iECA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 21 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: Adverse CNMT conditions or loss of forced air cooling may result in failure of NIS detectors.

26 Check If Source Range Detectors Should Be Energized:

a.Source range channels DEENERGIZED a.Go to Step 26e.b.Check intermediate range flux-EITHER CHANNEL LESS THAN 10 10 AMPS b.Perform the following:

1)IF neither intermediate range channel is decreasing, THEN initiate boration.2)Continue with Step 27.WHEN flux is LESS THAN 10 1 amps on any operable channel, THEN do Steps 26c, d and e.c.Check the following:

o Both intermediate range channels-LESS THAN 10 10 AMPS c.Continue with Step 27.WHEN either condition met, THEN do Steps 26d and e.-OR-o Greater than 20 minutes since reactor trip d.Verify source range detectors ENERGIZED d.Manually energize source range detectors by depressing P-6 permissive defeat pushbuttons (2 of 2).IF source ranges can NOT be restored, THEN refer to ER-NIS~1, SR MALFUNCTION and go to Step 27.e.Transfer Rk-45 recorder to one source range and one intermediate range channel lag<l'C~'0~'

EOP: ECA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 22 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 27 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 cam 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 1)Go to Step 28.2)Verify at least one control rod shroud fan-RUNNING 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: ZCA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 23 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*****************************************CAUTION FEED FLOW SHOULD NOT BE ESTABLISHED TO ANY RUPTURED S/G WHICH IS ALSO FAULTED UNLESS IT IS NEEDED FOR RCS COOLDOWN.*28 Monitor Ruptured S/G(s)Narrow Range Level-GREATER THAN 17%[254 adverse CNMT]Refill ruptured S/G to 67%[55%adverse CNMT]using feed flow.IF either of the following conditions occurs, THEN stop feed flow to ruptured S/G unless needed for RCS cooldown: o Ruptured S/G pressure decreases in an uncontrolled manner.-OR-o Ruptured S/G pressure increases to 1020 psig.*29 Monitor RCP Operation:

a.RCPs-ANY RUNNING b.Check the following:

o RCP 81 seal D/P-GREATER THAN 220 PSID a.Go to Step 30.b.Stop the affected RCP(s).o Check RCP seal leakage-WITHIN THE NORHAL OPERATING RANGE OF FIGURE RCP SEAL LEAKOFF 4's Mi ,p>'

EOP: ECA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 24 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 30 Check Condenser Steam Dump Available-CONDENSER VACUUM GREATER THAN 20 INCHES HG Use intact S/G ARV for RCS temperature control.31 Check If RHR Normal Cooling Can Be Established:

a.RCS cold leg temperature

-LESS THAN 350'F a.Go to Step 32.b.RCS pressure-LESS THAN 400 psig[300 psig adverse CNMT]c.Place letdown pressure controller in MANUAL CLOSED b.Go to Step 32.d.Check following valves-OPEN~AOV-371, letdown isolation valve~AOV-427, loop B cold leg to REGEN Hx~At least one letdown orifice valve (AOV-200A, AOV-200B, or AOV-202)d.Perform the following:

1)Reset both trains of XY relays for AOV-371 and AOV-427.2)Open AOV-371 and AOV-427.3)Open one letdown orifice valve.e.Verify pressure on PI-135-LESS THAN 400 PSIG e.Go to Step 32.f.Place RCS overpressure protection system in service (Refer to 0-7, ALIGNMENT AND OPERATION OF THE REACTOR VESSEL OVERPRESSURE PROTECTION SYSTEM)g.Consult TSC to determine if RHR normal cooling should be established using Attachment RHR COOL 0

EOP: 'ECA-3.2 SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 25 of 25 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: This procedure should be continued while obtaining CNMT hydrogen sample in Step 32.32 Check CNMT Hydrogen Concentration:

a.Direct RP 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.33 Check Core Exit T/Cs-LESS THAN 200'F Return to Step 2.34 Evaluate Long Term Plant Status: a.Maintain cold shutdown conditions b.Consult TSC-END-

EOP:%CA-3.2 SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 1 of 1 ECA-3.2 APPENDIX LIST TITLE 1)RED PATH

SUMMARY

2)FIGURE MIN SUBCOOLING 3)FIGURE SDM 4)FIGURE TSAT 5)FIGURE RCP SEAL LEAKOFF 6)ATTACHMENT SFP-RWST 7)ATTACHMENT N2 PORVS 8)ATTACHMENT NC 9)ATTACHMENT SEAL COOLING 10)ATTACHMENT RCP START 11)ATTACHMENT D/G STOP 12)ATTACHMENT AUX BLDG SW 13)ATTACHMENT RUPTURED S/G 14)ATTACHMENT SD-1 15)ATTACHMENT SD-2 16)ATTACHMENT RHR COOL 17)FOLDOUT PAGES h\gt 1<I,tt l1 I I EOP: ECA-3.2 SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 1 of 1 RED PATH

SUMMARY

a.SUBCRITICALITY

-Nuclear power greater than 5%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[46%adverse CNMT]c.HEAT SINK-Narrow range level in all S/Gs less than 54[25%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

'e rP 4I'I A'y k I 4 0 EOP: KCA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 1 of 1 FIGURE MIN SUBCOOLING NOTE: Subcool'ing Margin=Saturation Temperature From Figure Belov[-]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 INCREMENTS 20 PSIG SUBCOOLED REGION NMT ADVERSE C NORMAL CNMT INADEQUATE SUBCOOL ING REGION TEMPERATURE INCREMENTS 10'F 200 250 300 350 400 450 500 550 600 650 700 CORE EXIT SATURATION TEMPERATURE (F)

I~i<, Sw I J S+IS S lp E g ,'ii EOP: SCA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 1 of 1 NOTE: FIGURE SDM o Curve includes allowance for one stuck rod.Add 100 ppm for each additional stuck rod.o To obtain core burnup, use PPCS point ID BURNUP.BORON CONCENTRATION (PPH)1800 1600 BORON INCREMENTS 20 PPM 1400 1200 1000 ADEQUATE SDH 100 PPH CONSERVATISM INCLUDED 800 600 400 200 BURNUP INCREMENTS 100 HWD/HTU 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 CYCLE 25 BURNUP (MWD/HTU)

~1 p:4i'~~I4'1 tpq sr~'

EOP: 'ECA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 1 of 1 FIGURE TSAT URATION PRESSURE (PSIG)SAT 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 20 PRESSURE INCREMENTS 20 PSIG TEMPERATURE INCREMENTS 10'F 0 250 300 350 400 450 500 550 600 650 700 CORE EXIT SATURATION TEMPERATURE

(')

k'4 1~4~~~4 AQ f EOP:+CA-3.2 T!TLE SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV: 14 PAGE 1 of 1 FIGURE RCP SEAL LEAKOFF¹1 SEAL LEAK RATE (GPM)6 LEAK RATE INCREMENTS 0.2 GPM NORMAL OPERATING RANGE DP INCREMENTS 50 PSI 250 500 750 1000 1250 1500 1750 2000 2250 2500¹I SEAL DP (RCS PRESS-VCT PRESS)PSI A>>4~"

EOP:~ECA-3.2 TITLE: SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED REV 14 PAGE 1 of 1 FOLDOUT PAGE 1~SI REINITIATION CRITERIA IF EITHER condition listed below occurs, THEN manually operate SI pumps as necessary:

o Core exit T/Cs-INCREASING-OR-o Check RVLIS indication:

Level (no RCPs)-LESS THAN 684[734 adverse CNMT]Fluid fraction (any RCP running)-LESS THAN 80%2~SECONDARY INTEGRITY CRITERIA IF any S/G pressure is decreasing in an uncontrolled manner or is completely depressurized, and has not been isolated, THEN go to E-2, FAULTED S/G ISOLATION, Step 1, unless faulted S/G needed for RCS cooldown.3.COLD LEG RECIRCULATION SWITCHOVER CRITERION IF RWST level decreases to less than 28%, THEN go to ES-1.3, TRANSFER TO COLD LEG RECIRCULATION, Step 1.4.LOSS OF EMERGENCY COOLANT RECIRCULATION CRITERION IF emergency coolant recirculation is established and subsequently lost, THEN go to ECA-1.1, JOSS OF EMERGENCY COOLANT RECIRCULATION,'Step 1.5.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).

I n C*

EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV 11 PAGE 1 of 27 RO ESTER GAS AND ELECTRIC CORPORATION GINNA STATION CON OLLED COPY NUMBER TEC ICAL REVIEW PORC REVIEW DATE PLANT UPERINTE ENT cg cg EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY:

~i EOP: ECA-3.3 SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 2 of 27 A.PURPOSE-This procedure provides actions for a SGTR with coincident loss of normal and auxiliary PRZR sprays and PORVs.B.ENTRY CONDITIONS/SYMPTOMS 1.ENTRY CONDITIONS

-This procedure is entered from: a.E-3, STEAM GENERATOR TUBE RUPTURE, when PRZR pressure control is not available.

~p lp eI lg Ot k P j b~

EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 3 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 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 Check Ruptured S/G Narrow Range Level-LESS THAN 67:[55%adverse CNMT]Go to Step 8.2 Check RCP Status-AT LEAST ONE RUNNING Try to start one RCP: a.Establish conditions for starting RCP.o Bus 11A and Bus 11B energized o Refer to Attachment RCP START b.Start one RCP.IF no RCP can be started, THEN go to Step 4.3 Check IF Normal PRZR Spray Available:

a.Verify IA to CNMT-AVAILABLE a.Perform the following:

1)Place PRZR heater control group to PULL STOP.2)Place PRZR heater backup group to OFF.3)Place normal spray valve controllers to MANUAL at 0%.b.Go to E-3, STEAM GENERATOR TUBE RUPTURE, Step 21 4)Go to Step 4.

'be(m i.'J l~4 EOP: ECA-3.3 TITLE SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 4 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 4 Try To Restore PRZR PORV: a.Block valves-AT LEAST ONE OPEN~MOV-516 for PCV-430~MOV-515 for PCV-431C a.Open one block valve unless it was closed to isolate an open PORV.If block valves can NOT be opened, THEN dispatch AO to locally ensure breakers to block valves closed.b.Check IA to CNMT-AVAILABLE c.Verify at least one PRZR PORV flow path-AVAILABLE d.Go to E-3, STEAM GENERATOR TUBE RUPTURE, Step 22~MOV-515, MCC C position 6C~MOV-516, MCC D position 6C b..Refer to Attachment N2 PORVS to operate PORVs.c.Go to Step 5.

+RI<g3r~g~Np Y'>I, t I EOP: ECA-3.3 T I 1'LE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 5 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: If auxiliary spray is the only means of RCS pressure control, THEN the 320'F hT limit between the spray line and PRZR does not apply.5 Try To Establish Auxiliary Spray: a.Charging pumps-AT LEAST ONE RUNNING b.Establish auxiliary spray flow: 1)Open auxiliary spray valve (AOV-296)a.Perform the following:

1)IF CCW flow is lost to any RCP thermal barrier OR any RCP¹1 seal outlet temperature offscale high, THEN locally isolate seal injection to affected RCP.~RCP A, V-300A~RCP B, V-300B 2)Ensure HCV-142 demand at 0%.3)Start charging pumps as necessary.

IF charging not available, THEN go to Step 6.b.IF auxiliary spray can NOT be established, THEN go to Step 6.2)Close charging valve to loop B cold leg (AOV-294)c.Go to E-3, STEAM GENERATOR TUBE RUPTURE, Step 21b TY" V'I f Jk f4 EOP: ECA-3.3 TITLE: 'SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV 11 PAGE 6 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*xx**x*x*xxx***%>xxxxxxxxx%x*xxx*********

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).*************

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

x**********

NOTE: TDAFW pump flow control valves fail open on loss of IA.*6 Monitor Intact S/G Level: a.Narrow range level-GREATER THAN 5%[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 5%[25%adverse CNMT]in at least one S/G.b.IF narrow range level in intact S/G continues to increase in an uncontrolled manner, THEN go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT-SUBCOOLED RECOVERY DESIRED, Step 1.7 Check PRZR Level-GREATER THAN 5%(30<adverse CNMT]Return to Step 1.

tw'P EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 7 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 8 Check If SI Can Be Terminated:

a.RCS subcooling based on core exit T/Cs-GREATER THAN O'USING FIGURE MIN SUBCOOLING a.Do NOT stop SI pumps.Go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT-SUBCOOLED RECOVERY DESIRED, Step 1.b.Secondary heat sink: o Total feed flow to S/Gs GREATER THAN 200 GPM AVAILABLE-OR-b.IF neither condition satisfied, THEN do NOT stop SI pumps.Go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT-SUBCOOLED RECOVERY DESIRED, Step l.o Narrow range level in intact S/G-GREATER THAN 5%(25%adverse'NMTj c.RVLIS indication o Level (no RCPs)-GREATER THAN 68%[73%adverse CNMT]-OR-c.Do NOT stop SI pumps.Go to ECA-3', SGTR WITH LOSS OF REACTOR COOLANT-SUBCOOLED RECOVERY DESIRED, Step 1.o Fluid fraction (any RCP running)-GREATER THAN 80%d.Any ruptured S/G narrow range level-INCREASING IN AN UNCONTROLLED MANNER OR OFFSCALE HIGH d.Do NOT stop SI pumps.Return to Step 2.

f If%, fl 4t j,t EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 8 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 9 Stop SI Pumps and Place In AUTO r 1g't t%I"~ew/a f R I EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV 11 PAGE 9 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 10 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 close seal injection needle valve(s)to affected RCP:~RCP A, V-300A~RCP B, V-300B 2)Ensure HCV-142 open, demand at OS.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.')

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).c.Start charging pumps as necessary and adjust charging flow to restore PRZR level 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).

'~'~4 EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV'1 PAGE 10 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*11 Monitor RCS Inventory:

o RCS subcooling based on core exit T/Cs-GREATER THAN O'USING FIGURE MIN SUBCOOLING o RVLIS indication o Level (no RCPs)-GREATER THAN 68%f73%adverse CNMT]-OR-Perform the following:

a.Manually operate SI pumps as necessary.

b.Go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT-SUBCOOLED RECOVERY DESIRED, Step l.o Fluid fraction (any RCP rLInning)-GREATER THAN 80%12 Verify Adequate SW Flow To CCW Hx: 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.Manually start pumps as power supply permits (258 kw per pump).IF less than two SW pumps can be operated, THEN go to Step 20.b.Establish SW to AUX BLDG (Refer to Attachment AUX BLDG SW).c.Verify CNMT RECIRC fan annunciator C-2, HIGH TEMPERATURE ALARM-EXTINGUISHED c.Dispatch AO to locally throttle flow to CCW Hx to between 5000 gpm and 6000 gpm total flow.

4*J t EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11.PAGE 11 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 13 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'.Continue with Step 17.WHEN IA restored, THEN do Steps 13 through 16.b.Verify instrument bus D ENERGIZED c.CCW pumps-ANY RUNNING b.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.c.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 d.Charging pump-ANY RUNNING 2)Manually start one CCW pumps d.Continue with Step 20.WHEN any charging pump running, THEN do Steps 14 through 17.

f*'P EOP: ECA-3.3 TlTLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV ll PAGE 12 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: If PRZR level is less than 13%, letdown may be established by placing AOV-427 to OPEN.14 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 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.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 il Ij l I/g al%,"V E-" f EOP: ECA-3.3 1'TLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV 11 PAGE 13 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 15 Check VCT Makeup System: P 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-ill in MANUAL.3)Increase RMW flow.

'$'t tg EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 14'f 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 16 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 17.WHEN VCT level greater than 40%, THEN do Step 16b.b.Verify charging pumps aligned to VCT o LCV-112C-OPEN o LCV-112B-CLOSED b.Manually align valves as necessary.

v 4 EOP: ECA-3.3 1'Z LE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 15 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 17 Check RCP Cooling: a.Check CCW to RCPs: Establish normal cooling to RCPs (Refer to Attachment SEAL COOLING).o Annunciator A-7, RCP 1A CCW RETURN HIGH TEMP OR LOW FLOW EXTINGUISHED o Annunciator A-15, RCP 1B CCW RETURN HIGH TEMP OR LOW FLOW EXTINGUISHED b.Check RCP seal injection:

o Labyrinth seal D/Ps-GREATER THAN 15 INCHES OF WATER-OR-o RCP seal injection flow to each RCP-GREATER THAN 6 GPM Xii+4 V 1Z EOP: ECA-3.3 TlTLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 16 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 18 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 19.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 e.Verify RCP¹1 seal leakoff flow LESS THAN 5.5 GPM d.Perform the following:

1)Place MOV-313 switch to OPEN.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 f.Verify RCP¹1 seal leakoff flow GREATER THAN 0.25 GPM o Trip the affected RCP IF both RCP seal discharge valves are shut, THEN go to Step 19.f.Refer to AP-RCP.1, RCP SEAL MALFUNCTION

.

~W 44 r.r K EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 17 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 19 Equalize Charging And Letdown Flows: a.Verify charging pump controllers in manual b.Control charging and seal injection flows to equal letdown and seal leakoff flows 20 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 offsite power (Refer to ER-ELEC.1, 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)21 Minimize Secondary System Contamination:

a.Isolate reject from hotwell to CST: o Place hotwell level controller (HC-107)in MANUAL at 50%a.IF hotwell level increasing, THEN direct RP to sample hotwells for activity.o Verify hotwell level-STABLE b.Verify local actions to complete isolation of ruptured S/G (Refer to Attachment RUPTURED S/G) i4 tile t~f,,'g: i,f~II~w t l J EOP: TITLE: REV 11 ECA-3 SGTR WITHOUT PRESSURIZER PRESSURE CONTROL PAGE 18 of 27-STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: Adverse,CNMT conditions or loss of forced air cooling may result in failure of NIS detectors.

22 Check If Source Range Detectors Should Be Energized:

a.Source range channels DEENERGIZED a.Go to Step 22e.b.Check intermediate range flux-EITHER CHANNEL LESS THAN 10 10 AMPS b.Perform the following:

1)IF neither intermediate range channel is decreasing, THEN initiate boration.2)Continue with Step 23.WHEN flux is LESS THAN 10 amps on any operable channel, THEN do Steps 22c through e.c.Check the following:

o Both intermediate range channels-LESS THAN 10 10 AMPS c.Continue with Step 23.WHEN either condition met, THEN do Steps 22d and e.-OR-o Greater than 20 minutes since reactor trip d.Verify source range detectors ENERGIZED d.Manually energize source range detectors by depressing P-6 permissive defeat pushbuttons (2 of 2).IF source ranges can NOT be restored, THEN refer to ER-NIS.1, SR MALFUNCTION and go to Step 22.e.Transfer Rk-45 recorder to one source range and one intermediate range channel

~1/c~I Lg EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 19 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 23 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 cam 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 1)Go to Step 24.2)Verify at least one control rod shroud fan-RUNNING 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 I~,E>a~~C'1 EOP: ECA-3.3 TLTLF.: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 20 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: Plant staff should decide whether to repair PRZR pressure control systems or continue with this procedure.

If PRZR pressure control is established, PRZR level should be restored to greater than 5%[30%adverse CNMTj and then further recovery should continue with E-3, STEAM GENERATOR TUBE RUPTURE, Step 37.24 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 11.o RVLIS indication

-GREATER THAN 68%[73%adverse CNMT]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+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.

sCk 4 (f, A~a 1 EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 21 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: Leakage from ruptured S/G into RCS will dilute RCS boron concentration.

25 Verify Adequate Shutdown Margin a.Direct HP to sample RCS and ruptured S/G for boron concentration b.Verify boron concentration GREATER THAN REQUIREMENTS OF FIGURE SDM b.Borate as necessary.

26 Maintain Required RCP Seal Injection Flow And Labyrinth Seal D/P: o Labyrinth seal D/P to each RCP GREATER THAN 15 INCHES OF WATER Perform the following:

o Adjust charging flow to REGEN Hx, HCV-142 as necessary.-OR-o RCP seal injection flow GREATER THAN 6 GPM o Dispatch AO to adjust seal injection needle valves V-300A and V-300B if necessary.

27 Initiate RCS Cooldown to 350'F In RCS Cold Legs: a.Establish and maintain cooldown rate in RCS cold legs-LESS THAN 100'F/HR b.Dump steam to condenser from intact S/G b.Manually or locally dump steam using intact S/G ARV.IF no intact S/G available, THEN use faulted S/G.

4 J 4h(Xt n's EOP: ECA-3.3 j11'LE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 22 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*******x*x x x x x x x x x%x x%x x*x x**********x***

CAUTION RCS AND RUPTURED S/G PRESSURES MUST BE MAINTAINED LESS THAN THE RUPTURED S/G ARV SETPOINT.**x************

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

x*******28 Control Charging Flow To Maintain RCS Subcooling:

a.RCS subcooling based on core exit T/Cs-GREATER THAN 20'F USING FIGURE MIN SUBCOOLING b.Ruptured S/G narrow range level LESS THAN 90%[85%adverse CNMT)c.Ruptured S/G narrow range level STABLE OR DECREASING a.Increase charging flow to maintain subcooling greater than 20'F using Figure MIN SUBCOOLING and go to Step 29.b.Control charging flow to maintain RCS pressure at ruptured S/G pressure and go to Step 29.c.IF ruptured S/G level increasing, THEN decrease charging flow to stabilize level.Maintain RCS subcooling greater than'20'F using Figure MIN SUBCOOLING.

29 Check If RCS Cooldown Should Be Stopped: a.RCS cold leg temperatures

-LESS THAN 350'F a.Return to Step 25.b.Stop RCS cooldown Ql7.rf~" Vf'P l p/I s EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 23 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 30 Check RCS Pressure-GREATER THAN 400 PSIG[300 PSIG adverse CNMT]Go to Step 33.*31 Monitor Ruptured S/G Narrow Range Level-GREATER THAN 174 (25'dverse CNMT)Refill ruptured S/G to 67%[55%adverse CNMT)using feed flow.IF either of the following conditions occurs, THEN stop feed flow to ruptured S/G: o Ruptured S/G pressure decreases in an uncontrolled manner.-OR-o Ruptured S/G pressure increases to 1020 psig.

EOP: ECA-3.3 titLE: SGTR WITHOUT-PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 24 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED********0'x x%x x x x@**0**x********x**x*****CAUTION~o STEAM SHOULD NOT BE RELEASED FROM A RUPTURED S/G IF WATER MAY EXIST IN ITS STEAMLINE.

o RUPTURED S/G PRESSURE MAY DECREASE RAPIDLY WHEN STEAM IS RELEASED.********0 x*%x 0*%x x w%x x 0**x****x********

NOTE: The upper head region may void during RCS depressurization if RCPs are not running.This may result in a rapidly increasing PRZR level.32 Depressurize RCS And Ruptured S/G To 400 PSIG[300 PSIG adverse CNMT]a.Perform the following:

o Decrease charging and increase letdown to initiate backfill-OR-o Initiate blowdown from ruptured S/G-OR-o Dump steam from ruptured S/G b.Check RCS pressure-LESS THAN 400 psig[300 psig adverse CNMTI b.Return to Step 31.c.Stop RCS depressurization 1 J'~y't~v LC+'1~if EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 25 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 33 Check If RHR Normal Cooling Can Be Established:

a.RCS cold leg temperature

-LESS THAN 350'F a.Return to Step 27.b.RCS pressure-LESS THAN 400 psig (300 psig adverse CNMTj b.Return to Step 31.c.Place RCS overpressure protection system in service (Refer to 0-7, ALIGNMENT AND OPERATION OF THE REACTOR VESSEL OVERPRESSURE PROTECTION SYSTEM)d.Establish RHR normal cooling (Refer to Attachment RHR COOL)c.IF RCS overpressure protection system can NOT be placed in service, THEN notify TSC of potential Tech Spec violation if RHR system is placed in service.NOTE: Leakage from ruptured S/G into RCS will dilute RCS boron concentration.

34 Verify Adequate Shutdown Margin a.Direct HP to sample RCS and ruptured S/G for boron concentration b.Verify boron concentration-GREATER THAN REQUIREMENTS OF FIGURE SDM b.Borate as necessary.

I Qt EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 26 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 35 Initiate RCS Cooldown To Cold Shutdown: a.Establish and maintain cooldown rate in RCS cold legs-LESS THAN 100'F/HR b.Use RHR system if in service c.Dump steam to condenser from intact S/G c.Manually or locally dump steam from intact S/G using ARVs.IF no intact S/G available and RHR system NOT in service, THEN use faulted S/G.36 Control Charging Flow To Maintain RCS Subcooling:

a.RCS subcooling based on core exit T/Cs-GREATER THAN 20'F USING FIGURE MIN SUBCOOLING b.Ruptured S/G narrow range level LESS THAN 90%f85%adverse CNMTJ c.Ruptured S/G narrow range level STABLE OR DECREASING a.Increase charging flow to maintain subcooling greater than 20'F using Figure MIN SUBCOOLING and go to Step 37.b.Control charging flow to maintain RCS pressure at ruptured S/G pressure and go to Step 37.c.IF ruptured S/G level increasing, THEN decrease charging flow to stabilize level.Maintain RCS subcooling greater than 20'F using Figure MIN SUBCOOLING.

4 C E (J-)P t EOP: ECA-3.3 TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV 11 PAGE 27 of 27 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED*37 Monitor RCP Operation:

a.RCPs-ANY RUNNING b.Check the following:

o RCP 41 seal D/P-LESS THAN 220 PSID a.Go.to Step 39.b.Go to Step 39.-OR-o Check RCP seal leakage-LESS THAN 0.25 GPM c.Stop affected RCP(s)38 Check Core Exit T/Cs-LESS THAN 200'F Return to Step 34.39 Evaluate Long Term Plant Status: a.Maintain cold shutdown conditions b.Consult TSC-END-I(C t tg ht ls 5<Jl 0 EOP: ECA-3.3 TITLE SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 1 of 1 ECA-3.3 APPENDIX LIST TITLE PAGES 1)RED PATH

SUMMARY

2)FIGURE MIN SUBCOOLING 3)FIGURE SDM 4)ATTACHMENT RCP START 5)ATTACHMENT N2 PORVS 6)ATTACHMENT RUPTURED S/G 7)ATTACHMENT D/G STOP 8)ATTACHMENT SD-1 9)ATTACHMENT SEAL COOLING 10)ATTACHMENT SD-2 11)ATTACHMENT RHR COOL 12)ATTACHMENT AUX BLDG SW 13)FOLDOUT C I ECA-3.3 SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV 11 PAGE 1 of 1 RED PATH

SUMMARY

a.SUBCRITICALITY

-Nuclear power greater than 5%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 43%[464 adverse CNMT)c.HEAT SINK-Narrow range level in all S/Gs less than 5%[25%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 a s>11 II fd R,~, f<<4'I ,~

EOP: ECA-3.3 TITLE SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV 11 PAGE 1 of 1 FIGURE MIN SUBCOOLING NOTE: Subcooling Margin=Saturation Temperature From Figure Below[-j 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 (PS IG)RCS PRESSURE INCREMENTS 20 PSIG SUBCOOLED REGION ADVERSE CNMT NORMAL CNMT INADEQUATE SUBCOOLING REGION TEMPERATURE INCREMENTS 10'F 200 250 300 350 400 450 500 550 600 650 700 CORE EXIT SATURATION TEMPERATURE

('F)

/k t~CV lf 1 E g ph ld EOP: ECA-3'TITLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV: 11 PAGE 1 of 1 FIGURE SDM NOTE: o Curve includes allowance for one stuck rod.Add 100 ppm for each additional stuck rod.o To obtain core burnup, use PPCS turn on code BURNUP.BORON CONCENTRATION (PPH)1800 1600 BORON INCREMENTS 20 PPM 1400 1200 1000 ADEQUATE SDM 100 PPM CONSERVATISM INCLUDED 800 600 400 BORATE 200 BURNUP INCREMENTS 100 HWD/HTU 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 CYCLE 24 BURNUP (HWD/MTU) wS J l(g)E4 EOP: ECA-3.3 Tl'fLE: SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV 11 PAGE 1 of 1 FOLDOUT PAGE SI REINITIATION CRITERIA IF EITHER condition listed below occurs, THEN manually operate SI pumps as necessary and go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT-SUBCOOLED RECOVERY DESIRED, Step 1: o RCS subcooling based on core exit TCs-LESS THAN O'F USING REQUIREMENTS OF FIGURE MIN SUBCOOLING OR o RVLIS level (no RCPs)-LESS THAN 684[734 adverse CNMT]2.SECONDARY INTEGRITY CRITERIA IF any S/G pressure is decreasing in an uncontrolled manner or is completely depressurized AND has not been isolated, THEN go to E-2, FAULTED S/G ISOLATION, Step 1, unless faulted S/G needed for RCS cooldown.3.COLD LEG RECIRCULATION SWITCHOVER CRITERION IF RWST level decreases to less than 28<, THEN go to ES-1.3, TRANSFER TO COLD LEG RECIRCULATION, Step l.4.AFW SUPPLY SWITCHOVER CRITERION IF CST level decreases to less than 5 feet, THEN switch to alternate AFW water supply (Refer to ER-AFW.l, ALTERNATE WATER SUPPLY TO AFW PUMPS).

,~;.rfi A,'1 (t ,/V