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| {{#Wiki_filter:EOP:AP-TURB.4TITLE:LOSSOFCONDENSERVACUUMREV:7PAGE1of8ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEWPORCREVIEWDATEPTSUPERINTENDENT-2(-9sEFFECTIVEDATECATEGORY1.0REVIEWEDBY:9304080158930330PDR'DOCK05000244PPDR I)f EOP:AP-TURB.4LOSSOFCONDENSERVACUUMREV:7PAGE2of8A.PURPOSE-Thisprocedureprovidesthenecessaryactionstocontroltheplantwithdecreasingcondenservacuum.B.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-ThisprocedureisenteredfromAP-CW.1,LOSSOFACIRCWATERPUMP,whenacirculatingwatersystemmalfunctionisindicated.2.SYMPTOMS-ThesymptomsofLOSSOFCONDENSERVACUUMare;a.Lowordecreasingcondenservacuum,orb.AnnunciatorJ-16,MOTOROFFCW-EHEMERGOILSEALOILBU,lit,orc.AnnunciatorH-7,CONDENSERHIPRESSURE,25.5"HG,lit,ord.PPCShighcondenserbackpressurealarm,ore.Unexplaineddecreasinggeneratoroutput. | | {{#Wiki_filter:EOP:AP-TURB.4TITLE:LOSSOFCONDENSER VACUUMREV:7PAGE1of8ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATEPTSUPERINTENDENT |
| | -2(-9sEFFECTIVE DATECATEGORY1.0REVIEWEDBY:9304080158 930330PDR'DOCK05000244PPDR I)f EOP:AP-TURB.4LOSSOFCONDENSER VACUUMREV:7PAGE2of8A.PURPOSE-Thisprocedure providesthenecessary actionstocontroltheplantwithdecreasing condenser vacuum.B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS |
| | -Thisprocedure isenteredfromAP-CW.1,LOSSOFACIRCWATERPUMP,whenacirculating watersystemmalfunction isindicated. |
| | 2.SYMPTOMS-ThesymptomsofLOSSOFCONDENSER VACUUMare;a.Lowordecreasing condenser vacuum,orb.Annunciator J-16,MOTOROFFCW-EHEMERGOILSEALOILBU,lit,orc.Annunciator H-7,CONDENSER HIPRESSURE, 25.5"HG,lit,ord.PPCShighcondenser backpressure alarm,ore.Unexplained decreasing generator output. |
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| EOP:AP-TURB.4TITLE:LOSSOFCONDENSERVACUUMREV:7PAGE3of8STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoIF,ATANYTIMEDURINGTHISPROCEDURE,AREACTORTRIPORSIOCCURS,E-OpREACTORTRIPORSAFETYINJECTION,SHALLBEPERFORMED.oEXCESSIVEBACKPRESSUREMAYRESULTINTHELASTROWOFTURBINEBLADESOPERATINGASACOMPRESSORPRODUCINGBLADELOADINGOPPOSITETOTHEDIRECTIONOFROTATIONANDCAUSINGSEVEREBLADEVIBRATION.NOTE:oPPCSbackpressurereadings(PBACK)shouldbeverifiedbyAOcalculationfromlocalreadingsforeachcondenser.oOperationintheAVOIDregionshouldbelimitedto20minutesunlessthecauseoflossofvacuumhasbeencorrectedandbackpressureisreturningtonormal.1CheckCondenserIndications:a.Condenservacuum-GREATERTHAN20INCHESHGb.Turbinebackpressure-EACHCONDENSERWITHINLIMITSOFFIGUREBACKPRESSUREc.Condenservacuum-STABLEORINCREASING!a.Performthefollowing:1)Verifyturbinetrip.2)GotoAP-TURB.l,TURBINETRIPWITHOUTRXTRIPREQUIRED,or'-O,REACTORTRIPorSAFETYINJECTION,asrequired.b.IFintheAVOIDregion,THENad]ustturbineload(at1%/min)asnecessarytoreturntothesafeoperatingregion.IFintheDONOTOPERATEregion,THENtripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION.c.Decreasegeneratorloadasnecessarytostabilizecondenservacuum.IFvacuumcanNOTbestabilized,THENperformthefollowing:1)Decreasegeneratorloadtominimum.2)Tripturbine.3)GotoAP-TURB.1,TURBINETRIPWITHOUTRXTRIPREQUIRED. | | EOP:AP-TURB.4TITLE:LOSSOFCONDENSER VACUUMREV:7PAGE3of8STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoIF,ATANYTIMEDURINGTHISPROCEDURE, AREACTORTRIPORSIOCCURS,E-OpREACTORTRIPORSAFETYINJECTION, SHALLBEPERFORMED. |
| | oEXCESSIVE BACKPRESSUREMAYRESULTINTHELASTROWOFTURBINEBLADESOPERATING ASACOMPRESSOR PRODUCING BLADELOADINGOPPOSITETOTHEDIRECTION OFROTATIONANDCAUSINGSEVEREBLADEVIBRATION. |
| | NOTE:oPPCSbackpressure readings(PBACK)shouldbeverifiedbyAOcalculation fromlocalreadingsforeachcondenser. |
| | oOperation intheAVOIDregionshouldbelimitedto20minutesunlessthecauseoflossofvacuumhasbeencorrected andbackpressure isreturning tonormal.1CheckCondenser Indications: |
| | a.Condenser vacuum-GREATERTHAN20INCHESHGb.Turbinebackpressure-EACHCONDENSER WITHINLIMITSOFFIGUREBACKPRESSUREc.Condenser vacuum-STABLEORINCREASING |
| | !a.Performthefollowing: |
| | 1)Verifyturbinetrip.2)GotoAP-TURB.l, TURBINETRIPWITHOUTRXTRIPREQUIRED, or'-O,REACTORTRIPorSAFETYINJECTION, asrequired. |
| | b.IFintheAVOIDregion,THENad]ustturbineload(at1%/min)asnecessary toreturntothesafeoperating region.IFintheDONOTOPERATEregion,THENtripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION. |
| | c.Decreasegenerator loadasnecessary tostabilize condenser vacuum.IFvacuumcanNOTbestabilized, THENperformthefollowing: |
| | 1)Decreasegenerator loadtominimum.2)Tripturbine.3)GotoAP-TURB.1, TURBINETRIPWITHOUTRXTRIPREQUIRED. |
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| AP-TURB-4LOSSOFCONDENSERVACUUMREV:7PAGE4of8STEPACTION/EXPECTEDRESPONSERESPONSENOT.OBTAINED2DispatchAOToPerformLocalActions(RefertoAttachmentCONDVACUUM)3CheckCondenserCirculatingWaterSystem-OPERATINGASREQUIREDIFalossofcirculatingwaterhasoccurred,THENgotoAP-CW.1,LOSSOFACIRCWATERPUMP:oCWpumpdischargevalves-BOTHOPENoCWpumps-BOTHRUNNING | | AP-TURB-4LOSSOFCONDENSER VACUUMREV:7PAGE4of8STEPACTION/EXPECTED RESPONSERESPONSENOT.OBTAINED2DispatchAOToPerformLocalActions(RefertoAttachment CONDVACUUM)3CheckCondenser Circulating WaterSystem-OPERATING ASREQUIREDIFalossofcirculating waterhasoccurred, THENgotoAP-CW.1,LOSSOFACIRCWATERPUMP:oCWpumpdischarge valves-BOTHOPENoCWpumps-BOTHRUNNING |
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| EOP:AP-TURB.4TITLE:LOSSOFCONDENSERVACUUMREV:7PAGE5'of8STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoD/PLIMITSONTHEGENERATORHYDROGENCOOLERANDCONDENSATECOOLERSHOULDNOTBEEXCEEDED(D/PLIMITSINDICTEDATD/PMETERSATMCBREAR).oCLOSELYMONITORFEEDPUMPSUCTIONPRESSUREWHENADJUSTINGCONDENSATECOOLINGVALVES.4CheckCondensateTemperature-LESSTHAN100'F(PPCSpointIDT2053)Performthefollowing:a.PlaceS/GblowdownandsamplevalvemasterisolationswitchtoCLOSE.b.IFcondensatecoolerinservice,THENperformthefollowing:l)PlacegeneratorhydrogentemperaturecontrollerinMANUALat50%.2)DispatchAOtothrottleclosecondensatecoolerbypassvalveasnecessary.3)Ad]usthydrogentemperaturecontrollerandcondensatecoolermanualbypassvalveasnecessarytoestablishmaximumcondensatecooling.5Check,CondenserForAirInleakage-NOINLEAKAGEDETECTEDIFcondenserinleakageisdetected,THENperformthefollowing:a.Isolateifpossible.b,IFinleakagecanNOTbeisolated,THENgotoStep6. | | EOP:AP-TURB.4 TITLE:LOSSOFCONDENSER VACUUMREV:7PAGE5'of8STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoD/PLIMITSONTHEGENERATOR HYDROGENCOOLERANDCONDENSATE COOLERSHOULDNOTBEEXCEEDED(D/PLIMITSINDICTEDATD/PMETERSATMCBREAR).oCLOSELYMONITORFEEDPUMPSUCTIONPRESSUREWHENADJUSTING CONDENSATE COOLINGVALVES.4CheckCondensate Temperature |
| | -LESSTHAN100'F(PPCSpointIDT2053)Performthefollowing: |
| | a.PlaceS/Gblowdownandsamplevalvemasterisolation switchtoCLOSE.b.IFcondensate coolerinservice,THENperformthefollowing: |
| | l)Placegenerator hydrogentemperature controller inMANUALat50%.2)DispatchAOtothrottleclosecondensate coolerbypassvalveasnecessary. |
| | 3)Ad]usthydrogentemperature controller andcondensate coolermanualbypassvalveasnecessary toestablish maximumcondensate cooling.5Check,Condenser ForAirInleakage |
| | -NOINLEAKAGE DETECTEDIFcondenser inleakage isdetected, THENperformthefollowing: |
| | a.Isolateifpossible. |
| | b,IFinleakage canNOTbeisolated, THENgotoStep6. |
| I) | | I) |
| EOPAP-TURB-4TITLE:LOSSOFCONDENSERVACUUMREV:7PAGE6of8STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED6MonitorCondenserIndications:oCondenserbackpressure-LESSTHANFIGUREBACKPRESSUREReturntoStep1.oVacuum-STABLEORINCREASING7EstablishStablePlantConditions:a.Tavg-TRENDINGTOTREFb.PRZRpressure-TRENDINGTO2235PSIG!a.Ad)ustcontrolrodsandturbineloadasnecessarytorestoreTavgtoTref.b.VerifyproperoperationofPRZRheatersandsprayortakemanualcontrolofPRZRpressurecontroller431K.IFpressurecanNOTbecontrolled,THENrefertoAP-PRZR.1,ABNORMALPRESSURIZERPRESSURE.c.PRZRlevel-TRENDINGTOPROGRAMc.VerifyproperoperationofchargingpumpspeedcontrollersORtakemanualcontrolofspeedcontrollerstocontrolPRZRlevel.d.S/Glevel-TRENDINGTOPROGRAMd.IFS/GlevelsNOTcontrollinginAUTO,THENplaceaffectedmainfeedregulatingvalve(s)inmanualandrestoreS/Glevel(s)toprogram. | | EOPAP-TURB-4TITLE:LOSSOFCONDENSER VACUUMREV:7PAGE6of8STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED6MonitorCondenser Indications: |
| I EOP:AP-TURB.4TITLE:LOSSOFCONDENSERVACUUMREV:7PAGE7of8STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED8EstablishNormalPlantOperation:a.VerifyEHcontrolinAUTOIMPINa.PlaceEHinAUTOIMPINifdesired.b.VerifyannunciatorG-15,STEAMDUMPARMED-EXTINGUISHEDb,IF'avgwithin6'FofTref,THENperformthefollowing:1)Ensuresteamdumpvalvesclosed.c.VerifychargingpumpspeedcontrolinAUTOd.VerifyRodControlSelectorSwitchinAUTO2)Resetsteamdump.c.PlacechargingpumpspeedcontrolinAUTOifdesired.!d.PlaceRodControlSelectorSwitchinAUTOifdesired.e.DispatchAOtoremovepriminge)ectorfromserviceifdesiredf.VerifyS/GblowdownandsamplevalvemasterisolationswitchinREMOTEf.Performthefollowing:1)DispatchAOtolocallyisolateblowdown.2)WHENblowdownlocallyisolated,THENplaceblowdownandsamplevalvemasterswitchtoREMOTE.3)DirectAOtorestoreblowdownflow(RefertoT-14F,S/GBLOWDOWNSYSTEMSTARTUP). | | oCondenser backpressure-LESSTHANFIGUREBACKPRESSUREReturntoStep1.oVacuum-STABLEORINCREASING 7Establish StablePlantConditions: |
| | a.Tavg-TRENDINGTOTREFb.PRZRpressure-TRENDINGTO2235PSIG!a.Ad)ustcontrolrodsandturbineloadasnecessary torestoreTavgtoTref.b.Verifyproperoperation ofPRZRheatersandsprayortakemanualcontrolofPRZRpressurecontroller 431K.IFpressurecanNOTbecontrolled, THENrefertoAP-PRZR.1, ABNORMALPRESSURIZER PRESSURE. |
| | c.PRZRlevel-TRENDINGTOPROGRAMc.Verifyproperoperation ofchargingpumpspeedcontrollers ORtakemanualcontrolofspeedcontrollers tocontrolPRZRlevel.d.S/Glevel-TRENDINGTOPROGRAMd.IFS/GlevelsNOTcontrolling inAUTO,THENplaceaffectedmainfeedregulating valve(s)inmanualandrestoreS/Glevel(s)toprogram. |
| | I EOP:AP-TURB.4TITLE:LOSSOFCONDENSER VACUUMREV:7PAGE7of8STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED8Establish NormalPlantOperation: |
| | a.VerifyEHcontrolinAUTOIMPINa.PlaceEHinAUTOIMPINifdesired.b.Verifyannunciator G-15,STEAMDUMPARMED-EXTINGUISHED b,IF'avgwithin6'FofTref,THENperformthefollowing: |
| | 1)Ensuresteamdumpvalvesclosed.c.VerifychargingpumpspeedcontrolinAUTOd.VerifyRodControlSelectorSwitchinAUTO2)Resetsteamdump.c.PlacechargingpumpspeedcontrolinAUTOifdesired.!d.PlaceRodControlSelectorSwitchinAUTOifdesired.e.DispatchAOtoremovepriminge)ectorfromserviceifdesiredf.VerifyS/Gblowdownandsamplevalvemasterisolation switchinREMOTEf.Performthefollowing: |
| | 1)DispatchAOtolocallyisolateblowdown. |
| | 2)WHENblowdownlocallyisolated, THENplaceblowdownandsamplevalvemasterswitchtoREMOTE.3)DirectAOtorestoreblowdownflow(RefertoT-14F,S/GBLOWDOWNSYSTEMSTARTUP). |
| I~ | | I~ |
| EOP:AP-TURB.4LOSSOFCONDENSERVACUUMREV7PAGE8of8STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED9NotifyHigherSupervision10ReturnToProcedureOrGuidanceInEffect-END- | | EOP:AP-TURB.4LOSSOFCONDENSER VACUUMREV7PAGE8of8STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED9NotifyHigherSupervision 10ReturnToProcedure OrGuidanceInEffect-END- |
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| F.OPIAP>>TURB.4TITLE:LOSSPFCONDENSERVACUUMREV:7PAGE1of1AP-TURB.4APPENDIXLISTTITLE'PAGES1)FIGUREBACKPRESSURE2)ATTACHMENTCONDVACUUM | | F.OPIAP>>TURB.4TITLE:LOSSPFCONDENSER VACUUMREV:7PAGE1of1AP-TURB.4APPENDIXLISTTITLE'PAGES1)FIGUREBACKPRESSURE2)ATTACHMENT CONDVACUUM |
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| EOP:AP-TURB4T1TLE:LOSSOFCONDENSERVA~REV:7PAGE.1of1BACKPRESSURE(inchesHg)7INCREMENTS0.2inchesHgFIGUREBACK'RESSUREDONOTOPERATEINTHISREGIONCOMPUTERADDRESSBAROMETRICPRESS.-P3200HGCONDENSERVACUUM-P3201BACKPRESSURE-PBACKORUSEAUX.OPERATORCALC.AVOIDOPERATIONINTHISREGIONSATISFACTORYOPERATINGREGIONINCREMENTS20MW100200300400GROSSELECTRIC(MW)500600 eI)'NI*,h4A}} | | EOP:AP-TURB4T1TLE:LOSSOFCONDENSER VA~REV:7PAGE.1of1BACKPRESSURE(inchesHg)7INCREMENTS 0.2inchesHgFIGUREBACK'RESSURE DONOTOPERATEINTHISREGIONCOMPUTERADDRESSBAROMETRIC PRESS.-P3200HG CONDENSER VACUUM-P3201BACKPRESSURE-PBACKORUSEAUX.OPERATORCALC.AVOIDOPERATION INTHISREGIONSATISFACTORY OPERATING REGIONINCREMENTS 20MW100200300400GROSSELECTRIC(MW)500600 eI)'NI*,h4A}} |
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W/980716 Ltr ML17265A2861998-05-0606 May 1998 Rev 19 to EOP ECA-3.2, SGTR W/Loss of Reactor Coolant Saturated Recovery Desired & Updated ECA Index.W/980506 Ltr ML17265A1821998-02-20020 February 1998 Rev 1 to EWR 5111, MOV Qualification Program Plan, Calculation Assumption Verification Criteria. ML17265A1491997-12-31031 December 1997 Rev 1 to Inservice Testing Program. ML17264B0731997-10-14014 October 1997 Rev 4 to Technical Requirements Manual (TRM) for Ginna Station. ML17265A1541997-09-16016 September 1997 Rev 1 to DA EE-92-089-21, Design Analysis Ginna Station Instrument Loop Performance Evaluation & Setpoint Verification. ML17264A9751997-08-0505 August 1997 Rev 14 to AP-ELEC.1, Loss of 12A & 12B Busses. ML17264A9771997-08-0505 August 1997 Rev 11 to AP-RCP.1, RCP Seal Malfunction. ML17264A9791997-08-0505 August 1997 Rev 7 to AP-RCS.3, High Reactor Coolant Activity. ML17264A9781997-08-0505 August 1997 Rev 12 to AP-RCS.1, Reactor Coolant Leak. ML17264A9851997-08-0404 August 1997 Rev 2 to Summary Description of Compliance w/10CFR73 Amend Protection Against Malevolent Use of Vehicles at Nuclear Power Plants. ML17264A9391997-07-0707 July 1997 Rev 3 to Technical Requirements Manual for Ginna Station, Inserting New Tabs Accordingly Per Previous Transmittal for Rev ML17264A9341997-07-0101 July 1997 to Technical Requirements Manual (TRM) & inter-office Correspondence Dtd 970624 ML17264A9461997-06-20020 June 1997 to Inservice Insp (ISI) Program. ML17311A0471997-05-22022 May 1997 Revised Eops,Including Procedures Index,Rev 5 to ATT-15.0, Rev 3 to ATT-15.2,rev 3 to AP-ELEC.3,rev 13 to ECA-0.1 & Rev 9 to ECA-0.2.W/970522 Ltr ML20140B8291997-03-24024 March 1997 Rev 3 to EOP ATT-12.0, Attachment N2 Porvs ML17264A8221997-02-0606 February 1997 Rev 15 to FR-P.1, Response to Imminent Pressurized Thermal Shock Condition. ML17264A8201997-02-0606 February 1997 Rev 7 to AP-RCC.2, Rcc/Rpi Malfunction. ML17264A8081997-01-23023 January 1997 Revised Emergency Operating Procedures,Including Rev 14 to E-1,Rev 19 to E-3,Rev 14 to ECA-2.1,Rev ECA-3.3,Rev 20 to ES-1.3,Rev 13 to FR-C.1,Rev 12 to FR-C.2 & Rev 14 to FR-P.1 ML20133N3351997-01-10010 January 1997 Rev 7 to FR-C.3, Response to Saturated Core Cooling ML17264A8881996-10-10010 October 1996 Rev 9 to ODCM for Ginna Station. ML20128N0681996-10-0303 October 1996 Revised Emergency Operating Procedures,Including Rev 5 to Att-10.0, Attachment Faulted S/G & Rev 6 to Att-16.0, Attachment Ruptured S/G ML17264A5311996-05-31031 May 1996 Revised Emergency Operating Procedures,Including Rev 10 to AP-RCP.1,Rev 12 to ECA-0.1,Rev 12 to ECA-2.1,Rev 3 to FR-H.2,Rev 3 to FR-H.4,Rev 7 to FR-I.1,Rev 12 to FR-P.1,Rev 10 to FR-S-1 & Rev 6 to FR-S.2 ML17264A5161996-05-22022 May 1996 Rev 2 to Technical Requirements Manual (TRM) ML17264A4581996-04-0808 April 1996 Rev 7 to ODCM for Ginna Station. ML17264A4371996-04-0101 April 1996 Rev 1 to Technical Requirements Manual (TRM) ML17264A4391996-04-0101 April 1996 Rev 1 to Updated Technical Requirements Manual (TRM) ML17264A4191996-02-24024 February 1996 Rev 0 to Technical Requirements Manual (Trm). ML17264A6901996-02-23023 February 1996 Rev 0 to Inservice Testing Program. 1999-05-12
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EOP:AP-TURB.4TITLE:LOSSOFCONDENSER VACUUMREV:7PAGE1of8ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATEPTSUPERINTENDENT
-2(-9sEFFECTIVE DATECATEGORY1.0REVIEWEDBY:9304080158 930330PDR'DOCK05000244PPDR I)f EOP:AP-TURB.4LOSSOFCONDENSER VACUUMREV:7PAGE2of8A.PURPOSE-Thisprocedure providesthenecessary actionstocontroltheplantwithdecreasing condenser vacuum.B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS
-Thisprocedure isenteredfromAP-CW.1,LOSSOFACIRCWATERPUMP,whenacirculating watersystemmalfunction isindicated.
2.SYMPTOMS-ThesymptomsofLOSSOFCONDENSER VACUUMare;a.Lowordecreasing condenser vacuum,orb.Annunciator J-16,MOTOROFFCW-EHEMERGOILSEALOILBU,lit,orc.Annunciator H-7,CONDENSER HIPRESSURE, 25.5"HG,lit,ord.PPCShighcondenser backpressure alarm,ore.Unexplained decreasing generator output.
EOP:AP-TURB.4TITLE:LOSSOFCONDENSER VACUUMREV:7PAGE3of8STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoIF,ATANYTIMEDURINGTHISPROCEDURE, AREACTORTRIPORSIOCCURS,E-OpREACTORTRIPORSAFETYINJECTION, SHALLBEPERFORMED.
oEXCESSIVE BACKPRESSUREMAYRESULTINTHELASTROWOFTURBINEBLADESOPERATING ASACOMPRESSOR PRODUCING BLADELOADINGOPPOSITETOTHEDIRECTION OFROTATIONANDCAUSINGSEVEREBLADEVIBRATION.
NOTE:oPPCSbackpressure readings(PBACK)shouldbeverifiedbyAOcalculation fromlocalreadingsforeachcondenser.
oOperation intheAVOIDregionshouldbelimitedto20minutesunlessthecauseoflossofvacuumhasbeencorrected andbackpressure isreturning tonormal.1CheckCondenser Indications:
a.Condenser vacuum-GREATERTHAN20INCHESHGb.Turbinebackpressure-EACHCONDENSER WITHINLIMITSOFFIGUREBACKPRESSUREc.Condenser vacuum-STABLEORINCREASING
!a.Performthefollowing:
1)Verifyturbinetrip.2)GotoAP-TURB.l, TURBINETRIPWITHOUTRXTRIPREQUIRED, or'-O,REACTORTRIPorSAFETYINJECTION, asrequired.
b.IFintheAVOIDregion,THENad]ustturbineload(at1%/min)asnecessary toreturntothesafeoperating region.IFintheDONOTOPERATEregion,THENtripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION.
c.Decreasegenerator loadasnecessary tostabilize condenser vacuum.IFvacuumcanNOTbestabilized, THENperformthefollowing:
1)Decreasegenerator loadtominimum.2)Tripturbine.3)GotoAP-TURB.1, TURBINETRIPWITHOUTRXTRIPREQUIRED.
AP-TURB-4LOSSOFCONDENSER VACUUMREV:7PAGE4of8STEPACTION/EXPECTED RESPONSERESPONSENOT.OBTAINED2DispatchAOToPerformLocalActions(RefertoAttachment CONDVACUUM)3CheckCondenser Circulating WaterSystem-OPERATING ASREQUIREDIFalossofcirculating waterhasoccurred, THENgotoAP-CW.1,LOSSOFACIRCWATERPUMP:oCWpumpdischarge valves-BOTHOPENoCWpumps-BOTHRUNNING
EOP:AP-TURB.4 TITLE:LOSSOFCONDENSER VACUUMREV:7PAGE5'of8STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoD/PLIMITSONTHEGENERATOR HYDROGENCOOLERANDCONDENSATE COOLERSHOULDNOTBEEXCEEDED(D/PLIMITSINDICTEDATD/PMETERSATMCBREAR).oCLOSELYMONITORFEEDPUMPSUCTIONPRESSUREWHENADJUSTING CONDENSATE COOLINGVALVES.4CheckCondensate Temperature
-LESSTHAN100'F(PPCSpointIDT2053)Performthefollowing:
a.PlaceS/Gblowdownandsamplevalvemasterisolation switchtoCLOSE.b.IFcondensate coolerinservice,THENperformthefollowing:
l)Placegenerator hydrogentemperature controller inMANUALat50%.2)DispatchAOtothrottleclosecondensate coolerbypassvalveasnecessary.
3)Ad]usthydrogentemperature controller andcondensate coolermanualbypassvalveasnecessary toestablish maximumcondensate cooling.5Check,Condenser ForAirInleakage
-NOINLEAKAGE DETECTEDIFcondenser inleakage isdetected, THENperformthefollowing:
a.Isolateifpossible.
b,IFinleakage canNOTbeisolated, THENgotoStep6.
I)
EOPAP-TURB-4TITLE:LOSSOFCONDENSER VACUUMREV:7PAGE6of8STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED6MonitorCondenser Indications:
oCondenser backpressure-LESSTHANFIGUREBACKPRESSUREReturntoStep1.oVacuum-STABLEORINCREASING 7Establish StablePlantConditions:
a.Tavg-TRENDINGTOTREFb.PRZRpressure-TRENDINGTO2235PSIG!a.Ad)ustcontrolrodsandturbineloadasnecessary torestoreTavgtoTref.b.Verifyproperoperation ofPRZRheatersandsprayortakemanualcontrolofPRZRpressurecontroller 431K.IFpressurecanNOTbecontrolled, THENrefertoAP-PRZR.1, ABNORMALPRESSURIZER PRESSURE.
c.PRZRlevel-TRENDINGTOPROGRAMc.Verifyproperoperation ofchargingpumpspeedcontrollers ORtakemanualcontrolofspeedcontrollers tocontrolPRZRlevel.d.S/Glevel-TRENDINGTOPROGRAMd.IFS/GlevelsNOTcontrolling inAUTO,THENplaceaffectedmainfeedregulating valve(s)inmanualandrestoreS/Glevel(s)toprogram.
I EOP:AP-TURB.4TITLE:LOSSOFCONDENSER VACUUMREV:7PAGE7of8STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED8Establish NormalPlantOperation:
a.VerifyEHcontrolinAUTOIMPINa.PlaceEHinAUTOIMPINifdesired.b.Verifyannunciator G-15,STEAMDUMPARMED-EXTINGUISHED b,IF'avgwithin6'FofTref,THENperformthefollowing:
1)Ensuresteamdumpvalvesclosed.c.VerifychargingpumpspeedcontrolinAUTOd.VerifyRodControlSelectorSwitchinAUTO2)Resetsteamdump.c.PlacechargingpumpspeedcontrolinAUTOifdesired.!d.PlaceRodControlSelectorSwitchinAUTOifdesired.e.DispatchAOtoremovepriminge)ectorfromserviceifdesiredf.VerifyS/Gblowdownandsamplevalvemasterisolation switchinREMOTEf.Performthefollowing:
1)DispatchAOtolocallyisolateblowdown.
2)WHENblowdownlocallyisolated, THENplaceblowdownandsamplevalvemasterswitchtoREMOTE.3)DirectAOtorestoreblowdownflow(RefertoT-14F,S/GBLOWDOWNSYSTEMSTARTUP).
I~
EOP:AP-TURB.4LOSSOFCONDENSER VACUUMREV7PAGE8of8STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED9NotifyHigherSupervision 10ReturnToProcedure OrGuidanceInEffect-END-
F.OPIAP>>TURB.4TITLE:LOSSPFCONDENSER VACUUMREV:7PAGE1of1AP-TURB.4APPENDIXLISTTITLE'PAGES1)FIGUREBACKPRESSURE2)ATTACHMENT CONDVACUUM
EOP:AP-TURB4T1TLE:LOSSOFCONDENSER VA~REV:7PAGE.1of1BACKPRESSURE(inchesHg)7INCREMENTS 0.2inchesHgFIGUREBACK'RESSURE DONOTOPERATEINTHISREGIONCOMPUTERADDRESSBAROMETRIC PRESS.-P3200HG CONDENSER VACUUM-P3201BACKPRESSURE-PBACKORUSEAUX.OPERATORCALC.AVOIDOPERATION INTHISREGIONSATISFACTORY OPERATING REGIONINCREMENTS 20MW100200300400GROSSELECTRIC(MW)500600 eI)'NI*,h4A