ML14132A130

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Core Operating Limits Report Cycle 20 Revision 0, Waterford Steam Electric Station, Unit 3
ML14132A130
Person / Time
Site: Waterford Entergy icon.png
Issue date: 05/12/2014
From: Jarrell J P
Entergy Operations
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
W3F1-2014-0033
Download: ML14132A130 (51)
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Text

EnteigyW3F1-2014-0033 May12,2014U.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, DC20555-0001

Subject:

CoreOperating LimitsReport-Cycle20Revision0Waterford SteamElectricStation,Unit3DocketNo.50-382LicenseNo.NPF-38EntergyOperations, Inc.17265RiverRoadKillona,LA70057-3093 Tel5047396685Fax5047396698 jjarrel@entergy.com JohnP.JarrellIIIManager-Regulatory Assurance Waterford 3

DearSirorMadam:

Waterford 3Technical Specification 6.9.1.11.3 requiressubmittal oftheCoreOperating LimitsReportforeachreloadcycleincluding anymid-cycle revisions orsupplements thereto.AttachedistheWaterford 3CoreOperating LimitsReportforreloadcycle20.Ifyouhaveanyquestions concerning thissubmittal, pleasecontactJohnP.Jarrell,Regulatory Assurance Manager,at(504)739-6685.

Therearenonewcommitments contained inthissubmittal.

Sincerely,

/JPJ/LLB

Attachment:

Waterford 3CoreOperating LimitsReportCycle20Revision0 NUCLEARQUAUTYRELATEDEN-Ll-106 REV.13---En!ergyMANAGEMENT

.MANUALINFORMATIONAL USENRCCorrespondence ATTACHMENT 9.4NRCSuBMITrAL REvIEwSheet1of2(Typical)

Letter#:W3F1-2014-0033 ResponseDue:5/14/2014

Subject:

CoreOperating LimitsReport(COLR)-DateIssuedforReview:5/11/2014 Cycle20Revision0.PerTS6.9.1.11.3 including anymid-cycle revisions orsupplements thereto.Correspondence PreparerIPhone#:LillianBrown!504-739-7384 SectionILetterConcurrence andAgreement toPerformActionsPOSITIONINAMEActionSignature (concurrence, certification, etc.)(sign,interoffice memo,e-mail,ortelecom)NANANACOMMENTSEnclosure tothiscorrespondence doesnotrequirecertification sincethereportwasreviewedandapprovedinaccordance withanestablished process.(Reference EN-LI-I06section5.3notes)ISectionIICorrespondence Screening Doesthislettercontaincommitments?

If"yes,"identifythecommitments withdueYesEldatesinthesubmittal andinSectionIII.Whenfleetletterscontaincommitments, aNoPCRSLO(e.g.,LO-LAR,LO-WT)shouldbeinitiated withaCAassignedtoeachapplicable sitetoenterthecommitments intothesite'scommitment management system.Doesthislettercontainanyinformation oranalysesofnewsafetyissuesperformed atNRCYesElrequestortosatisfyaregulatory requirement?

If"yes,"reflectrequirement toupdatetheNoUFSARinSectionIII.Doesthisletterrequireanydocumentchanges(e.g.,procedures, DBDs,FSAR,TSBases,YesEletc.),ifapproved?

If"yes,"indicateinSectionIllanactionfortheresponsible Nodepartment todetermine theaffecteddocuments.

(TheCorrespondence Preparermayindicatethespecificdocuments requiring

revision, ifknownormayinitiateanactionforreview.)Doesthislettercontaininformation certified accurate?

If"yes,"identifytheinformation YesElanddocumentcertification inanattachment.

(Attachment 9.5mustbeused.)NoEN-LI-I06REV13 NUCLEARIQuALIrvRELATEDEN-LI-106 REV.13EntergyMANAGEMENT 1MANUALINFORMATIONAL USENRCCorrespondence ATTAcHMENT 9.4NRCSUBMITTAL REvIEwSheet2of2SectionIIIActionsandCommitments Commitments DueDateResponsible Dept.Note:Whenfleetletterscontaincommitments, aPCRSLOshouldbeinitiated withaCAassignedtoeachapplicable sitetoenterthecommitments intothesitescommitment management system.NANANARequiredActionsNote:Actionsneededuponapprovalshouldbecapturedintheappropriate actiontrackinqsystemNADueDateNAResponsible Dept.NAEN-LI-I06REV13 W3FI-2014-0033Page2cc:Mr.MarcL.DapasRegionalAdministrator U.S.NuclearRegulatory Commission RegionIV1600E.LamarBlvd.Arlington, TX76011-4511RidsRgn4MailCenternrc.gov NRCSeniorResidentInspector Water-ford SteamElectricStationUnit3Marlone.Davis@nrc.gov Chris.Speer@nrc.gov NRC/NRRProjectManagerforWater-ford 3Michael.Orenaknrc.gov Alan.Wangnrc.gov Attachment toW3FI-2014-0033 Waterford 3CoreOperating LimitsReportCycle20Revision0(Attachment contains46pages)

Engineering ReportNo,WF3-NE-14-00002 Rev.0Page1of46EntergyENTERGYNUCLEAREngineering ReportCoverSheetEngineering ReportTitle:WSES-3Cycle20CoreOperating LimitsReportEngineering ReportType:NewRevisionElCancelled ElSuperseded

[]Superseded by:_______________

Applicable Site(s)IP1P2ElP3ElJAFElPNPSElvvElwpoElANO1ANO2ElECHQGGNSElRBSElWF3PLPElECNo.4j4ReportOrigin:EntergyElVendorVendorDocumentNo.:Quality-Related:

YesElNoPreparedby:C.G.Eastus/L-".E9t')Date:________Responsible Engineer(PrintName/Sign)

DesignVerified:

N.Pazooki/P--Date:________DesignVerifier-(f required) rintName/Sign)

Reviedby:L.E.MusterI4&Date:1//I)ReviewerPntNam1S?1)ApprovedbVFHSmith/,Date:.j/2'iJO(jSupervisor) anager(PnntName/Sign)

RevisionSummaryWF3-NE-14-00002, Revision0Page2of46Revision0Initialissueofthereport WF3-NE-14-00002, Revision0Page3of46TableofContentsRevisionSummary21.0ScopeandObjectives 42.0InputDocuments 43.0Assumptions 44.0DetailedDiscussion 45.0Operating Experience 46.0SummaryofResults47.0Conclusions andRecommendations 48.0References 49.0Attachments 5

WF3-NE-14-00002, Revision0Page4of461.0ScopeandObjectives Thisreportdescribes thedevelopment oftheWaterford-3 Cycle20(W3C20)CoreOperating LimitsReport(COLR).Thereportisdeveloped byupdatingthepreviouscycleCOLR(InputDocument(ID)2.1)withinformation fromtheW3C20ReloadAnalysisReport(ID2.2)andtheW3C20Setpoints Document(ID2.3).2.0InputDocuments Theinputdocuments usedtodeveloptheW3C20COLRincludethefollowing:

2.1."EntergyOperations Waterford-3 CoreOperating LimitsReportforCycle19Revision2,"October24,2013.2.2.Letter,R.A.LoretztoC.Eastus,"Waterford SteamElectricStationUnit3Cycle20FinalReloadAnalysisReport,"NF-WTFD-14-5, February17,2014.SeealsoEngineering ReportWF3-NE-14-00001 2.3.Letter,R.A.LoretztoC.Eastus,"StartupTestandSetpoints Transmittal forWaterlord-3 Cycle20,"NF-WTFD-14-12, April11,2014.3.0Assumptions Historically, information fortheCOLRupdateisincludedinthecyclespecificRARandthecyclespecificsetpoints analysis.

4.0 DetailedDiscussion

ID2.2containsthenon-setpoints relatedinformation necessary toupdatetheCOLR.Thedocumenthassectionsspecifically addressing theinformation necessary toupdatetheCOLRbaseduponthecyclespecificanalysisperformed bythefuelvendor(Westinghouse).

Setpoints relatedchangesareprovidedinID2.3.Thereceivedinformation wasappliedto1D2.1.Theresulting W3C20COLRisfoundinAttachment 9.1.5.0Operating Experience APCRSsearchwasperformed lookingforissuesrelatedtothedevelopment ofaCOLRasdescribed here.Nonewerefound.6.0SummaryofResultsUsingvendorprovidedinformation; theW3C19Rev.2COLRwasupdatedtoreflectCycle20information.

7.0 Conclusions

andRecommendations TheW3C20Revision0COLRhasbeendeveloped andisacceptable touse.8.0References None WF3-NE-14-00002, Revision0Page5of469.0Attachments 9.1W3C20Revision0COLR(usingformatting andnumbering appropriate fortheCOLR).

Attachment 9.1Waterford-3 Cycle20COLRRevision0WF3-NE-14-00002, Revision0Page6of46 ENTERGYOPERATIONS WATERFORD 3COREOPERATING LIMITSREPORTFORCYCLE20REVISION0 WATERFORD 3COREOPERATING LIMITSREPORTCYCLE20,REVISION0INDEXPAGEI.INTRODUCTION 5II.63.1.1.1COLR3/41-13.1.1.2COLR3/41-33.1.1.3COLR3141-43.1.2.9COLR3/41-153.1.3.1COLR3/41-183.1.3.6COLR3/41-253.2.1COLR3/42-13.2.3COLR3!42-4 3.2.4COLR3/42-63.2.7COLR3/42-123.9.1COLR3/49-1 III.METHODOLOGIES 38LISTOFEFFECTIVE PAGESRevision0Pages1-6,COLR3/41-1,1-3,1-4,1-15,1-18,1-25,2-1,2-4,2-6,2-12,9-1,andPages38-40AFFECTEDTECHNICAL SPECIFICATIONS ShutdownMargin-AnyCEAWithdrawn ShutdownMargin-AllCEAsFullyInsertedModerator Temperature Coefficient BoronDilutionMovableControlAssemblies

-CEAPositionRegulating andGroupPCEAInsertion LimitsLinearHeatRateAzimuthal PowerTilt-TqDNBRMarginAxialShapeIndexBoronConcentration WATERFORD 3Page2CYCLE20REVISION0 LISTOFFIGURESPAGECOLRFigure1ShutdownMarginVersusColdLegTemperature COLR3/41-3ACOLRFigure2Moderator Temperature Coefficient Versus%ofCOLR3/41-4ARatedThermalPowerCOLRFigure3RequiredPowerReduction AfterSingleCEACOLR3/41-18ADeviation COLRFigure4Regulating CEAGroupInsertion LimitsVersusCOLR3/41-25AThermalPowerCOLRFigure5GroupPCEAGroupInsertion LimitsVersusCOLR3/41-25BThermalPowerCOLRFigure6NotUsedCOLR3/42-lACOLRFigure7NotUsedCOLR3/42-lBCOLRFigure8Allowable DNBRwithAnyCEACOperableCOLR3/42-6A(COLSSOutofService)COLRFigure8ASubsetofAllowable DNBRwithAnyCEACOperableCOLR3/42-6B(COLSSOutofService)COLRFigure8.1NotUsedCOLR3/42-6CCOLRFigure8.1ANotUsedCOLR3/42-6DCOLRFigure9Allowable DNBRwithNoCEAC(s)OperableCOLR3/42-6E(COLSSOutofService)COLRFigure9ASubsetofAllowable DNBRwithNoCEAC(s)OperableCOLR3/42-6F(COLSSOutofService)COLRFigure9.1NotUsedCOLR3/42-6GCOLRFigure9.1ANotUsedCOLR3/42-6HLISTOFEFFECTIVE FIGUREPAGESRevision0COLR3/41-3A,1-4A,1-18A,1-25A,1-25B,2-lA,2-1B,2-6A,2-6B,2-6C,2-6D,2-6E,2-6F,2-6G,2-6HWATERFORD 3Page3CYCLE20REVISION0 LISTOFTABLESPAGECOLRTable1RequiredMonitoring Frequencies forBackupCOLR3/41-15ABoronDilutionDetection asaFunctionofOperating ChargingPumpsandPlantOperational ModesforKeffGreaterThan0.98.COLRTable2RequiredMonitoring Frequencies forBackupCOLR3/41-15BBoronDilutionDetection asaFunctionofOperating ChargingPumpsandPlantOperational ModesforKeffGreaterThan0.97andLessThanorEqualto0.98.COLRTable3RequiredMonitoring Frequencies forBackupCOLR3/41-15CBoronDilutionDetection asaFunctionofOperating ChargingPumpsandPlantOperational ModesforKeffGreaterThan0.96andLessThanorEqualto0.97.COLRTable4RequiredMonitoring Frequencies forBackupCOLR3/41-15DBoronDilutionDetection asaFunctionofOperating ChargingPumpsandPlantOperational ModesforKeffGreaterThan0.95andLessThanorEqualto0.96.COLRTable5RequiredMonitoring Frequencies forBackupCOLR3/41-15EBoronDilutionDetection asaFunctionofOperating ChargingPumpsandPlantOperational ModesforKeffGreaterThanorEqualto0.95.LISTOFEFFECTIVE TABLEPAGESRevision0COLR3/41-15AthroughCOLR3/41-15EWATERFORD 3Page4CYCLE20REVISION0 WATERFORD 3COREOPERATING LIMITSREPORTCYCLE20,REVISION0I.INTRODUCTION ThisCOREOPERATING LIMITSREPORT(COLR)hasbeenpreparedinaccordance withtherequirements ofWaterford 3Technical Specification 6.9.1.11forWaterford 3Cycle20.Thecoreoperating limitshavebeendeveloped usingtheNRCapprovedmethodologies specified inSectionIII.ThisisRevision0oftheCycle20COLR.ThemajorchangesbetweentheCycle20,Revision0,COLRandtheCycle19,Revision2,COLRarelistedbelow:Section3.2.7wasrevisedtoremoveaburnuprestriction ontheCOLSSOperableASILimitsfor50%powerconditions.

WATERFORD 3Page5CYCLE20REVISION0 IiAFFECTEDTECHNICAL SPECIFICATIONS WATERFORD 3Page6CYCLE20REVISION0 COREOPERATING LIMITSREPORTSHUTDOWNMARGIN-ANYCEAWITHDRAWN 3.1.1.1TheSHUTDOWNMARGINshallbegreaterthanorequalto5.15%/xklkwhenTavgisgreaterthan200°For2.0%Ak/kwhenTavgislessthanorequalto200°F.WATERFORD 3COLR3/41-1CYCLE20REVISION0 COREOPERATING LIMITSREPORTSHUTDOWNMARGIN-ALLCEAsFULLYINSERTED3.1.1.2TheSHUTDOWNMARGINshallbemaintained withintheregionofacceptable operation ofCOLRFigure1.WATERFORD 3COLR3/41-3CYCLE20REVISION0 54I0zC,)2ICOLRFigure16006ShutdownMarginVersusColdLegTemperature (AllCEAsFullyInserted) 00100200300400500ColdLegTemperature

(°F)WATERFORD 3COLR3/41-3ACYCLE20REVISION0 COREOPERATING LIMITSREPORTMODERATOR TEMPERATURE COEFFICIENT 3.1.1.3TheModerator Temperature Coefficient (MTC)shallbemaintained withintheregionofacceptable operation ofCOLRFigure2.WATERFORD 3COLR3/41-4CYCLE20REVISION0 Moderator Temperature Coefficient Versus%ofRatedThermalPowera.°-2xC-)-2.5-3-3.5-4-4.5010(0.0,0.5)0.50-0.5-1Unacceptable Operation

___z:h-rAcceptable Operation

(0.0,39)(100,-3.9)Unacceptable Operation 2030405060708090100%ofRatedThermalPowerCOLRFigure2WATERFORD 3COLR3/41-4ACYCLE20REVISION0 COREOPERATING LIMITSREPORTBORONDILUTION3.1.2.9SeeCOLRTables1through5forrequiredRCSboronconcentration monitoring frequencies andChargingPumpoperation limits.SURVEILLANCE REQUIREMENTS Eachrequiredborondilutionalarmshallbeadjustedtolessthanorequalto1.75times(1.75x)theexistingneutronflux(cps)atthefollowing frequencies:

a.Nosoonerthanonehalfhouraftershutdownandnolaterthan1houraftershutdown.

b.Atleastonceperone-half(1/2)hourifthereactorhasbeenshutdown>0.5hourbut<2hoursc.Atleastonceperhourifthereactorhasbeenshutdown2hoursbut<10hours.d.Atleastonce per5hoursifthereactorhasbeenshutdown>

10hoursbut<25hours.e.Atleastonceper24hoursifthereactorhasbeenshutdown25hoursbut<21days.f.Atleastonceper7days,ifthereactorhasbeenshutdown21days.WATERFORD 3COLR3/41-15CYCLE20REVISION0 COLRTABLEIREQUIREDMONITORING FREQUENCIES FORBACKUPBORONDILUTIONDETECTION ASAFUNCTIONOFOPERATING CHARGINGPUMPSANDPLANTOPERATIONAL MODESFORKeffGREATERTHAN0.98Keff>0.98OPERATIONAL NumberofOperating ChargingPums*MODE0123312hours0.75hoursOperation notallowed**412hoursOperation notallowed**58hoursOperation notallowed**RCSfilled58hoursOperation notallowed**RCSpartially drained6Operation notallowed***ChargingpumpOPERABILITY foranyperiodoftimeshallconstitute OPERABILITY fortheentiremonitoring frequency.

    • Theprecluded numberofchargingpumpsshallbeverifiedtobeinoperable byrackingouttheirmotorcircuitbreakers.

WATERFORD 3COLR3/41-15ACYCLE20REVISION0 COLRTABLE2 REQUIREDMONITORING FREQUENCIES FORBACKUPBORONDILUTIONDETECTION ASAFUNCTIONOFOPERATING CHARGINGPUMPSANDPLANTOPERATIONAL MODESFORKeffGREATERTHAN0.97ANDLESSTHANOREQUALTO0.980.98Kff>0.97OPERATIONAL NumberofOperating ChargingPumps*MODE0123312hours2.0hours0.5hoursOperation notallowed**

412hours0.75hoursOperation notallowed**

58hours0.75hoursOperation notallowed**

RCSfilled58hours0.5hoursOperation notallowed**

RCSpartially drained6Operation notallowed**

  • ChargingpumpOPERABILITY foranyperiodoftimeshallconstitute OPERABILITY fortheentiremonitoring frequency.
    • Theprecluded numberofchargingpumpsshallbeverifiedtobeinoperable byrackingouttheirmotorcircuitbreakers.

WATERFORD 3COLR3/41-15BCYCLE20REVISION0 COLRTABLE3REQUIREDMONITORING FREQUENCIES FORBACKUPBORONDILUTIONDETECTION ASAFUNCTIONOFOPERATING CHARGINGPUMPSANDPLANTOPERATIONAL MODESFORKeffGREATERTHAN0.96ANDLESSTHANOREQUALTO0.970.97Kff>0.96OPERATIONAL NumberofOperatincj Charcjing Pumps*MODE0123312hours3.0hours1.25hours0.5hours412hours1.5hoursOperation notallowed**

58hours1.5hoursOperation notallowed**

RCSfilled58hours0.75hoursOperation notallowed**

RCSpartially drained6Operation notallowed**

  • ChargingpumpOPERABILITY foranyperiodoftimeshallconstitute OPERABILITY fortheentiremonitoring frequency.
    • Theprecluded numberofchargingpumpsshallbeverifiedtobeinoperable byrackingouttheirmotorcircuitbreakers.

WATERFORD 3COLR3/41-15CCYCLE20REVISION0 COLRTABLE4 REQUIREDMONITORING FREQUENCIES FORBACKUPBORONDILUTIONDETECTION ASAFUNCTIONOFOPERATING CHARGINGPUMPSANDPLANTOPERATIONAL MODESFORKeffGREATERTHAN0.95ANDLESSTHANOREQUALTO0.96O.96Keff>O.9SOPERATIONAL NumberofOperating ChargingPumps*MODE0123312hours4.0hours2.0hours1.0hours412hours2.25hours0.75hoursOperation notallowed**

58hours2.0hours0.75hoursOperation notallowed**

RCSfilled58hours2.0hours0.5hoursOperation notallowed**

RCSpartially drained6Operation notallowed**

  • ChargingpumpOPERABILITY foranyperiodoftimeshallconstitute OPERABILITY fortheentiremonitoring frequency.
    • Theprecluded numberofchargingpumpsshallbeverifiedtobeinoperable byrackingouttheirmotorcircuitbreakers.

WATERFORD 3COLR3/41-15DCYCLE20REVISION0 COLRTABLE5REQUIREDMONITORING FREQUENCIES FORBACKUPBORONDILUTIONDETECTION ASAFUNCTIONOFOPERATING CHARGINGPUMPSANDPLANTOPERATIONAL MODESFORKeffLESSTHANOREQUALTO0.95Keff0.95OPERATIONAL NumberofOperating ChargingPums*MODE0123312hours5.0hours2.0hours1.0hours412hours2.75hours1.0hoursOperation notallowed**

58hours3.0hours1.0hours0.5hoursRCSfilled58hours2.5hours0.75hoursOperation notallowed**

RCSpartially drained624hours2.25hours0.5hoursOperation notallowed**

  • ChargingpumpOPERABILITY foranyperiodoftimeshallconstitute OPERABILITY fortheentiremonitoring frequency.
    • Theprecluded numberofchargingpumpsshallbeverifiedtobeinoperable byrackingouttheirmotorcircuitbreakers.

WATERFORD 3COLR3/41-15ECYCLE20REVISION0 COREOPERATING LIMITSREPORTMOVABLECONTROLASSEMBLIES

-CEAPOSITION3.1.3.1.aWithoneCEAtrippable butmisaligned fromanyotherCEAinitsgroupbymorethan19inches,operation inMODES1and2maycontinue, providedthatcorepowerisreducedinaccordance withCOLRFigure3.3.1.3.1.bWithoneormoreCEAstrippable butmisaligned fromanyotherCEAsinitsgroupbymorethan7inchesbutlessthanorequalto19inches,operation inMODES1and2maycontinue, providedthatcorepowerisreducedinaccordance withCOLRFigure3.NOTES1.Item3.1.3.1.acorresponds withACTION"c"ofTechnical Specification 3.1.3.1.2.Item3.1.3.1.bcorresponds withACTION"d"ofTechnical Specification 3.1.3.1.WATERFORD 3COLR3/41-18CYCLE20REVISION0 3000Ea,Ia)Ca200ta,Ea)U£1504-UDa,IRequiredPowerReduction AfterSingleCEADeviation*

TimeAfterCEADeviation (Minutes)

COLRFigure3*Whenthermalpowerisreducedto60%ofratedthermalpowerperthislimitcurve,furtherreduction isnotrequiredbythisTechnical Specification.

6000153045WATERFORD 3COLR3/41-18ACYCLE20REVISION0 COREOPERATING LIMITSREPORTREGULATING ANDGROUPPCEAINSERTION LIMITS3.1.3.6Theregulating CEAgroupsandGroupPCEAsshallbelimitedtothewithdrawal sequenceandtotheinsertion limitsshownonCOLRFigure4(regulating groups)andFigure5(GroupP).WATERFORD 3COLR3/41-25CYCLE20REVISION0 Regulating CEAGroupInsertion LimitsVersusThermalPower108"10090807060a)0D50Ea40.I-30201000-30IIGroup6Group503060906090120150Regulating CEAGroupPosition(Inches)COLRFigure4120-J150WATERFORD 3COLR3/41-25ACYCLE20REVISION0 GroupPCEAGroupInsertion LimitsVersusThermalPowerI00E0)I-80703010090108"120"605040201000153045607590105120135GroupPCEAGroupPosition(Inches)COLRFigure5150WATERFORD 3COLR3/41-25BCYCLE20REVISION0 COREOPERATING LIMITSREPORTLINEARHEATRATE3.2.1Thelinearheatrateshallbemaintained:

a.12.9kW!ftwhenCOLSSisinserviceb.13.2kW/ftwhenCOLSSisoutofserviceInaccordance withTechnical Specification 3.6.1.5Actiona,withtheminimumcontainment averageairtemperature lessthan95°Fbutgreaterthanorequalto90°F,thelinearheatrateshallbemaintained:

a.12.7kW/ftwhenCOLSSisinserviceb.13.0kW!ftwhenCOLSSisoutofserviceWATERFORD 3COLR3/42-1CYCLE20REVISION0 COLRFigure6(NotUsed)WATERFORD 3COLR3/42-lACYCLE20REVISION0 COLRFigure7(NotUsed)WATERFORD 3COLR3/42-1BCYCLE20REVISION0 COREOPERATING LIMITSREPORTAZIMUTHAL POWERTILT-Tq32.3ThemeasuredAZIMUTHAL POWERTILTshallbemaintained 0.03.WATERFORD 3COLR3/42-4CYCLE20REVISION0 COREOPERATING LIMITSREPORTDNBRMARGIN3.2.4TheDNBRmarginshallbemaintained byoneofthefollowing methods:a)WhenCOLSSisinserviceandneitherCEACisoperable:

maintainCOLSScalculated corepowerlessthanorequaltoCOLSScalculated corepoweroperating limitbasedonDNBRdecreased by13%RATEDTHERMALPOWER.b)WhenCOLSSisoutofserviceandatleastoneCEACisoperable:

operatewithintheregionofacceptable operation shownonCOLRFigure8(or8Aasappropriate),

usinganyoperableCPCchannel.c)WhenCOLSSisoutofserviceandneitherCEACisoperable:

operatewithintheregionofacceptable operation shownonCOLRFigure9(or9Aasappropriate),

usinganyoperableCPCchannel.NOTESThevariousDNBRlimitlinesshownbetweentheverticalASIlimitlinesat+/-0.12and+/-0.22onFigures8,8A,9,and9Arepresent theminimumCPC-calculated DNBRvaluerequiredforoperation inthepowerrangedisplayed intheareaaboveeachline.Operation atlowerpowerlevelsrequiresthatalargerDNBRvaluebemaintained.

Forexample,withASIequalto-0.12andacorepowerof85%,CPCcalculated DNBRmustbeaminimumof2.62withanyCEACOperable.

At79%powerandthesameASIvaluewithanyCEACOperable, thecalculated DNBRmustbeatleast3.12.At65%powerandthesameASIvalue,DNBRmustbeaminimumof4.28.At90%powerandanASIvalueof+0.08,DNBRmustbenolessthan2.37.2.TheverticalASIlimitlinesshownat+/-0.12and+/-0.22onFigures8,8A,9,and9Amaybeconsidered asextending beyondthemaximumDNBRvalueontheYaxisofthecharts.Therefore, whenmonitoring DNBRwiththesefigures,compliance isachievedatallpowerlevelsshownonagivenfigurewhenDNBRisgreaterthanthelargestDNBRvalueontheverticalscale.3.Figure8Aisprovidedtoofferbetterresolution forthefourpowerrangesinthelowerportionofFigure8.Figure9Aisprovidedtoofferbetterresolution forthefourpowerrangesinthelowerportionofFigure9.4.Equations areprovidedonFigures8,8A,9,and9Atoassistindetermining DNBRlimitsintheslopedportionsoftheplots.WATERFORD 3COLR3/42-6CYCLE20REVISION0 zEEC)0C)CoreAverageASI(COLRFigure8)CYCLE20REVISION0Allowable DNBRwithAnyCEACOperable(COLSSOutofService)------Accptabie-Operation----

20%SPowerS100%(-0.04,7.94)(-0.12,7.65)\1.50-0.3-0.2-0.10.00.10.20.3WATERFORD 3COLR3/42-6A SubsetofAllowable DNBRwithAnyCEACOperable(COLSSOutofService)CoreAverageASI(COLRFigure8A)WATERFORD 3COLR3/42-6BCYCLE20REVISION0Acceptable Operation 70%5PowerS100%=(1.400xAOl)+.2004.003.75-----F.-----3.50(+0.12,3.33)3.25(+0.03,3.33)(.0.12,3.12)cceptable Operation 80%5Power100%zEEC.)0C.)4.003.753.503.253.002.752.502.252.001.751.50(.0.12,2.62)(.12,2.81)Acceptable Operation 90%5PowerS100%DNBR=(0.750xASI)+2310(+0.08,2.37)(+0.12,2.37)(.0.12,2.22)Acceptable Operation

(.0.12,2.04)(+0.12,2.17)ONBR=(O.5420ASI)*2.105 Unacceptable Operation 3.002.752.502.252.001.751.50-0.2-0.10.00.10.2 COLRFigure8.1(NotUsed)WATERFORD 3COLR3/42-60CYCLE20REVISION0 COLRFigure8.IA(NotUsed)WATERFORD 3COLR3/42-6DCYCLE20REVISION0 IxzEEciaciAllowable DNBRwithNoCEAC(s)Operable(COLSSOutofService)AptbIeOpertiofl 20%5Power50%20%SPower<50%

(+0.15,7.94-_________

(-0.04,7.94)(+0.12,7.94)---------(-0.12,7.65)-fl.,fi,,,,

Acceptable Operation 20%SPower5100%8.25=8.007.75-7.507.257.006.756.506,256.008.258.007.757.507.25___________loNeR=(3.778eASh+8001,j(+0.22,7.34)(-0.22,7.26)X+I)'Acceptable Operation 50%5Power5100%CoreAverageASI(COLRFigure9)WATERFORD 3COLR3/42-6ECYCLE20REVISION0 WATERFORD 3COLR3/42-6FCYCLE20REVIS!ON0(-0.12,5.28)SubsetofAllowable DNBRwithNoCEAC(s)Operable(COLSSOutofService)Acceptable Operation 50%Power100%05,5.48)IDNBR=(2765xAS)*56191(+0.12,5.48)5.755.505.255.00flL_L.ejJLdLJI iJJtIdLIttIt-70%PowerS100%DNBR=(1.923xASI(*4.0915755.505.255.004.754.504.25E4.00CC-)a.3.75C.)3.503.253.002.752.502.254n1,4.11)(-0.12,3.86)(+0.12,4.11)Acceptable Operation 90%5Power5100%1.254.003.753.503.253.002.752.502.25xASI(+2941(+0.12,3.00)(-0.12,2.80)l1176Acceptable operati::

(+07,2.79)(+012(-0.12,2.60)Unacceptable Operation

-0.2-0.10.00.10.2CoreAverageASI(COLRFigure9A)

COLRFigure9.1(NotUsed)WATERFORD 3COLR3/42-6GCYCLE20REVISION0 COLRFigure9.IA(NotUsed)WATERFORD 3COLR3/42-6HCYCLE20REVISION0 COREOPERATING LIMITSREPORTAXIALSHAPEINDEX3.2.7TheAXIALSHAPEINDEX(ASI)shallbemaintained withinthefollowing limits:COLSSOperable-0.16ASIS+016forTHERMALPOWERS50%ofRATEDTHERMALPOWER-0.265ASP5+0.26forTHERMALPOWERSfrom20%to<50%ofRATEDTHERMALPOWERCOLSSOutofService-0.125ASI5+012forTHERMALPOWERS50%ofRATEDTHERMALPOWER-0.22ASI5+0.22forTHERMALPOWERSfrom20%to<50%ofRATEDTHERMALPOWERWATERFORD 3COLR3/42-12CYCLE20REVISION0 COREOPERATING LIMITSREPORTBORONCONCENTRATION 3.9.1WhileinMode6,theRCSboronconcentration shallbemaintained sufficiently toensurethatthemorerestrictive ofthefollowing reactivity conditions ismet:a.EitherKeffof0.95orless,orb.Aboronconcentration ofgreaterthanorequalto2050ppm.WATERFORD 3COLR3/49-1CYCLE20REVISION0 III.METHODOLOGIES Theanalytical methodsusedtodetermine thecoreoperating limitslistedabovearethosepreviously reviewedandapprovedbytheNRCin:1."Qualification ofthePHOENIX-P!ANC NuclearDesignSystemforPressurized WaterReactorCores,"WCAP-11596-P-A, June1988;"ANC:AWestinghouse AdvancedNodalComputerCode,"WCAP-10965-P-A, September 1986;and"ANC:AWestinghouse AdvancedNodalComputerCode:Enhancements toANCRodPowerRecovery,"

WCAP-10965-P-AAddendum1,April1989.

(Methodology forSpecifications 3.1.1.1and3.1.1.2forShutdownMargins,3.1.1.3forMTC,3.1.3.6forRegulating andGroupPCEAInsertion Limits,3.1.2.9BoronDilution(Calculation ofCBCandIBW),and3.9.1BoronConcentration).

2."C-EMethodforControlElementAssemblyEjectionAnalysis,"

CENPD-190-A,Revision0,January1976.(Methodology forSpecification 3.1.3.6forRegulating andGroupPCEAInsertion Limitsand3.2.3forAzimuthal PowerTilt.)3."Modified Statistical Combination ofUncertainties" CEN-356(V)-P-A, Revision1-P-A,May1988.(Methodology forSpecification 3.2.4.cand3.2.4.dforDNBRMarginand3.2.7forASI.)4."Calculative MethodsfortheCELargeBreakLOCAEvaluation ModelFortheAnalysisofC-EandWDesignedNSSS,"CENPD-132, Supplement 3-P-A,June1985.(Methodology forSpecification 3.1.1.3forMTC,3.2.1forLinearHeatRate,3.2.3forAzimuthal PowerTiltand3.2.7forASI.)5."Calculative MethodsfortheABBCESmallBreakLOCAEvaluation Model,"CENPD-137-P, August1974;Supplement 2-P-A,April1998.(Methodology forSpecification 3.1.1.3forMTC,3.2.1forLinearHeatRate,3.2.3forAzimuthal PowerTiltand3.2.7forASI.)6."Technical Description ManualfortheCENTSCode,"WCAP-15996-P-A, Revision1,March2005.(Methodology forSpecification 3.1.1.1and3.1.1.2forShutdownMargins,3.1.1.3forMTC,3.1.3.1forMovableControlAssemblies

-CEAPosition, 3.1.3.6forRegulating andGroupPCEAInsertion Limits,and3.2.4.bforDNBRMargin)WATERFORD 3Page38CYCLE20REVISION0 7."Implementation ofZIRLOMaterialCladdinginCENuclearPowerFuelAssemblyDesigns,"

CENPD-404-P-A, November2001.(Methodology forSpecification 3.1.1.3forMTC,3.2.1forLinearHeatRate,3.2.3forAzimuthal PowerTilt,and3.2.7forASI).8."Qualification oftheTwo-Dimensional Transport CodePARAGON,"

WCAP16045-P-A, August2004.(Methodology forSpecifications 3.1.1.1and3.1.1.2forShutdownMargins,3.1.1.3forMTC,3.1.3.6forRegulating andGroupPCEAInsertion Limits,3.1.2.9BoronDilution(Calculation ofCBC&IBW),3.2.4.bforDNBRMarginand3.9.1BoronConcentration).

9."Implementation ofZirconium DiborideBurnableAbsorberCoatingsinCENuclearPowerFuelAssemblyDesigns,"

WCAP-16072-P-A, Revision0,August2004(Methodology forSpecification 3.1.1.3forMTC,3.2.1forLinearHeatRate,3.2.3forAzimuthal PowerTilt,and3.2.7forASI).10."CE16x16NextGeneration FuelCoreReference Report,"WCAP-16500-PandFinalSafetyEvaluation forWestinghouse ElectricCompany(Westinghouse)

TopicalReport(TR)WCAP-16500-P, Revision0,"CE[Combustion Engineering]

16x16NextGeneration Fuel[(NGF)]CoreReference Report,"(Methodology forSpecification 3.1.1.3forMTC,3.2.1forLinearHeatRate,3.2.3forAzimuthal PowerTilt,3.2.4.b,3.2.4.c,and3.2.4.dforDNBRMargin,and3.2.7forASI).11."Optimized ZIRLOTM,"WCAP-12610-P-AandCENPD-404-P-A Addendum1-A,July2006.(Methodology forSpecification 3.1.1.3forMTC,3.2.1forLinearHeatRate,3.2.3forAzimuthal PowerTilt,and3.2.7forASI.)12."Westinghouse Correlations WSSVandWSSV-TforPredicting CriticalHeatFluxinRodBundleswithSide-Supported MixingVanes,"WCAP-16523-P-ARevision0,August2007;andFinalSafetyEvaluation forWestinghouse ElectricCompany(Westinghouse)

TopicalReport(TR),WCAP-16523-P,"Westinghouse Correlations WSSVandWSSV-TforPredicting CriticalHeatFluxinRodBundleswithSide-Supported MixingVanes,"(Methodology forSpecification 3.2.4.b,3.2.4.c,and3.2.4.dforDNBRMargin.)13."ABBCriticalHeatFluxCorrelations forPWRFuel,"CENPD-387-P-A Revision0,May2000.(Methodology forSpecification 3.2.4.b,3.2.4.c,and3.2.4.dforDNBRMarginand3.2.7forASI.)WATERFORD 3Page39CYCLE20REVISION0 14."Calculative MethodsfortheCENuclearPowerLargeBreakLOCAEvaluation Model-Improvement to1999LargeBreakLOCAEMSteamCoolingModelforLessThan1in/secCoreReflood"CENPD-132, Supplement 4-P-A,Addendum1-PandFinalSafetyEvaluation forWestinghouse ElectricCompany(Westinghouse)

TopicalReport(TR)CENPD-132Supplement 4-P-A,Addendum1-P,"Calculative MethodsfortheCE[Combustion Engineering]

NuclearPowerLargeBreakLOCAEvaluation Model-Improvement to1999LargeBreakLOCAEMSteamCoolingModelforLessThan1in/secCoreReflood,"

(Methodology forSpecification 3.1.1.3forMTC,3.2.1forLinearHeatRate,3.2.3forAzimuthal PowerTilt,and3.2.7forASI).15."Application ofCESetpointMethodology forCE16x16NextGeneration Fuel(NGF),"WCAP16500P-A,Supplement 1,Revision1,December2010.(Methodology forSpecification 3.2.4.b,3.2.4.c,and3.2.4.dforDNBRMargin.)WATERFORD 3Page40CYCLE20REVISION0

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