ML17309A911

Application for Amend to License NPF-16,modifying Specifications for Selected cycle-specific Reactor Physics Parameters to Provide Reference to St Lucie Unit 2 Colr for Limiting Values

ML17309A911
Person / Time
Site:	Saint Lucie, Turkey Point
Issue date:	12/29/1997
From:	STALL J A FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17309A912	List: ML17309A911 ML17309A913 ML17309A914 ML17309A915
References
RTR-NUREG-1432 GL-88-16, L-97-280, NUDOCS 9801060185
Download: ML17309A911 (14)

Text

FioridaPower6LightCompany,6351S.OceanDrive,JensenBeach,FL34957December29,1997~L-97-28010CFR50.90U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555Re:St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentCore0eratinLimitsReortCOLRRef:(1)LetterfromR.P.Croteau(NRC)toJ.H.Goldberg(FPL),TurkeyPointUnits3and4-IssuanceofAmendmentsRe:ImplementationofFPLNuclearPhysicsMethodology(TACNos.M91393andM91394;June9,1995.Pursuantto10CFR50.90,FloridaPower&LightCompany(FPL)requeststoamendFacilityOperatingLicenseNPF-16forSt.LucieUnit2byincorporatingtheattachedTechnicalSpecificationsrevisions.Theamendmentwillmodifyspecificationsforselectedcycle-specificreactorphysicsparameterssothattheyrefertotheSt.LucieUnit2CoreOperatingLimitsReport(COLR)forlimitingvalues.Minoradministrativechangesarealsoincluded.TheproposedTSchangesconformtotheguidance.providedinGenericLetter88-16andareconsistentwiththeStandardTechnicalSpecificationsforCombustionEngineeringPlants(NUREG-1432,Revision1).Itisrequestedthattheproposedamendment,ifapproved,beissuedbyJuly31,1998.Attachment1isanevaluationoftheproposedTSchanges.Attachment2isthe"DeterminationofNoSignificantHazardsConsideration."Attachment3containsacopyoftheaffectedTSpagesmarked-uptoshowtheproposedchanges.Enclosure(1)istheSt.LucieUnit2,Cycle10,CoreOperatingLimitsReport.Enclosure(2)isSupplement1toFPL'sTopicalReportNF-TR-95-01,NuclearPhysicsMethodologyforReloadDesignofTurkeyPointandSt.LucieNuclearPlants,whichprovidescomparisonsbetweencorephysicspredictionsandactualoperatingdataforSt.LucieUnit2.TheoriginalreportreviewedbytheNRCstaff(Reference1)didnotcontainSt.LucieUnit2specificdata.ThesupplementisvoluntarilysubmittedtofurtherdemonstrateFPL'sabilitytoperformreloadcoredesignforthatunit.TheproposedamendmenthasbeenreviewedbytheSt.LucieFacilityReviewGroupandtheFloridaPower&LightCompanyNuclearReviewBoard.Inaccordancewith10CFR50.91(b)(1),acopyoftheproposedamendmentisbeingforwardedtotheStateDesigneefortheStateofFlorida.Pleasecontactusifthereareanyquestionsaboutthissubmittal.Verytrulyyours,p.o~"J.A.Stall,VicePresidentSt.LuciePlant980i060i8597i229PDRADQCK05000250PPDRanFPLGroupcompanylllllllllllllllllillllllllllllllllll St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentCore0eratinLimitsReortCOLRL-97-280Page2JASIRLDAttachments

Enclosures:

(1)St.LucieUnit2,Cycle10,CoreOperatingLimitsReport,Revision0.(2)NuclearPhysicsMethodologyforReloadDesignofTurkeyPointandSt.LucieNuclearPlants,NF-TR-95-01,Supplement1;August,1997.cc:RegionalAdministrator,RegionII,USNRC.SeniorResidentInspector,USNRC,St.LuciePlant.Mr.W.A.Passetti,FloridaDepartmentofHealthandRehabilitativeServices.

St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentCore0eratinLimitsReortCOLRL-97-280Page3STATEOFFLORIDA))ss.COUNTYOFST.LUCIEJ.A.Stallbeingfirstdulysworn,deposesandsays:ThatheisVicePresident,St.LuciePlant,fortheNuclearDivisionofFloridaPower8LightCompany,theLicenseeherein;Thathehasexecutedtheforegoingdocument;thatthestatementsmadeinthisdocumentaretrueandcorrecttothebestofhisknowledge,informationandbelief,andthatheisauthorizedtoexecutethedocumentonbehalfofsaidLicensee.J.A.StallSTATEOFFLORIDACOUNTYOFSworntoandsubscribedbeforemethis~dayofOd08Ã58(byJ.A.Stall,whoispersonallyknowntome.SignatureofNotaublic-StateofFloridaLeslieJ.WMtwem~ss~:>>iNCOMMiSSiONfCCQ61S3EXPIAEShby12,2001'~i,~",~4'0NOEDllRUTteyfhN$5URAHCE,INC.NameofNotaryPublic(Print,Type,orStamp)

St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentCore0eratinLimitsReortCOLRATTACHMENT1toL-97-280EVALUATIONOFPROPOSEDTSCHANGES

St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentCore0eratinLimitsReortCOLRL-97>>280Attachment1Page1of4EVALUATIONOFPROPOSEDTSCHANGESIntroductionTheproposedamendmenttoFacilityOperatingLicenseNPF-16forSt.LucieUnit2(PSL2)willmodifyTechnicalSpecifications(TS)forselectedcycle-specificreactorphysicsparameterssothattheyrefertotheSt.LucieUnit2CoreOperatingLimitsReport(COLR)forlimitingvalues.Minoradministrativechangesarealsoincluded.TherevisionsconformtotheguidanceprovidedinGenericLetter(GL)88-16andareconsistentwiththeStandardTechnicalSpecificationsforCombustionEngineeringPlants(NUREG-1432,Revision1).TheproposedTSchangesortheCOLRdonotalterthevalueofanyoftheexistingparameterlimits,andtheamendmentinvolvesnosignificanthazardsconsideration.BackroundAnumberofTSincludecycle-specificoperatinglimitsforreactorphysicsparametersthataresubjecttochangeasafunctionofreloadcoredesign,andtheanalyticalmethodsusedtodeterminesuchlimitsaretypicallydocumentedinTopicalReportsorinplant-specificsubmittalspreviouslyreviewedandapprovedbytheNRCstaff.Asaconsequence,thestaffsreviewofproposedchangestotheselimitsprimarilyinvolvesconfirmationthattheupdatedlimitsarecalculatedusinganNRCapprovedmethodologyandareconsistentwithallapplicablelimitsofthesafetyanalyses.Inordertoeliminatetheburdenthatisassociatedwiththeprocessforrequesting,reviewing,andapprovingalicenseamendmentsolelyforthepurposeofupdatingthecalculatedvaluesofcycle-specificparameterlimits,GL88-16encouragedlicenseestoproposechangestotheirtechnicalspecificationsthatareconsistentwiththeguidanceprovidedinthatletter.Threeseparateactionstomodifytheplant'sTSarediscussedinGL88-16:(1)addingadefinitionofanamedformalreport,e.g.,COLR,thatincludesthevaluesofcycle-specificparameterlimitsthathavebeenestablishedusinganNRCapprovedmethodologyandareconsistentwithallapplicablelimitsofthesafetyanalyses,(2)theadditionofanadministrativereportingrequirementtosubmittheformalreporttotheCommissionforinformation,and(3)themodificationofindividualTStonotethatcycle-specificparametersshallbemaintainedwithinthelimitsprovidedinthedefinedformalreport.TheNRCstaffnotedthat"itisessentialtosafetythattheplantisoperatedwithintheboundsofcycle-specificparameterlimitsandthatarequirementtomaintaintheplantwithintheappropriateboundsmustberetainedintheTS.However,thespecificvaluesoftheselimitsmaybemodifiedbylicensees,withoutaffectingnuclearsafety,providedthatthesechangesaredeterminedusinganNRC-approvedmethodologyand[are]consistentwithallapplicablelimitsoftheplantsafetyanalysisthatareaddressedintheFinalSafetyAnalysisReport(FSAR)."TheconceptofaCOLRandtheprovisionsofGL88-16wereincorporatedintotheimprovedStandardTechnicalSpecificationsforCombustionEngineeringPlants(NUREG-1432).DescritionofChanesModificationstoindividualspecificationsincludereplacingtheapplicableoperatinglimitswithreferencestotheCOLR,deletingapplicablefigures,addingtherequireddefinitionandadministrativecontrols,andmakingeditorialchangesasnecessaryforthepurposeofclarificationand/or St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentCore0eratinLimitsReortCOLRL-97-280Attachment1Page2of4consistency.CopiesoftheaffectedTSpages,marked-uptoshowtheproposedchanges,arecontainedinAttachment3tothissubmittal.Section1.0DEFINITIONSAddnewdefinition1.9a,COREOPERATINGLIMITSREPORTCOLR,showninInsert-AofAttachment3tothissubmittal.TS3.1.1.4MODERATORTEMPERATURECOEFFICIENTSpecification3.1.1.4.cisdeleted,andtheassociatedlimitofmaximumnegativemoderatortemperaturecoefficientatRATEDTHERMAL'OWERisrelocatedtotheCOLR.TS3/4.1.3MOVABLECONTROLASSEMBLIES-CEAPOSITIONFigure3.1-1a,AllowableTimetoRealignCEAvs.InitialFR~,specifyingthetimeconstraintforfullpoweroperationwithoneCEAmisalignedfromanyotherCEAinitsgroupbymorethan15inchesisdeletedfromTSandrelocatedtotheCOLR.TS3.1.3.6REGULATINGCEAINSERTIONLIMITSFigure3.1-2,%CEAInsertionvs.FractionofRatedThermalPower,showingtheregulatingCEAgroupswithdrawalsequenceandinsertionlimitsisdeletedfromTSandrelocatedtotheCOLR.TS3/4.2.1LINEARHEATRATEFigure3.2-1,AllowablePeakLinearHeatRatevs.Bumup;Figure3.2-2,AxialShapeIndexvs.FractionofMaximumAllowablePowerLevelperSpecification4.2.1.3;andFigure3.2-3,AllowableCombinationsofThermalPowerandFR',Fx',aredeletedfromTSandrelocatedtotheCOLR.Additionally,inSpecifications4.2.1.3and4.2.1.4,thephrase"monitoringthecorepowerdistribution"ischangedto"monitoringthelinearheatrate".S'32.2OTALPLANARRADIALPEAKINGFACTOS-F~ThecalculatedvaluefortheF~limitisdeletedfromTSandrelocatedtotheCOLR.TS3.23OTLINGTEDRDIALPKINGCOR-F~ThecalculatedvaluefortheF,~limit,andFigure3.2P,AxialShapeIndexOperatingLimitswithFourReactorCoolantPumpsOperating,aredeletedfromTSandrelocatedtotheCOLR.TS3.2.5DNBPARAMETERS-AXIALSHAPEINDEXTABLE3.2-2isrevisedtorefertoCOLRFigure3.2AfortheAXIALSHAPEINDEXlimit.

St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentCore0eratinLimitsReortCOLRL-97-280Attachment1Page3of4TS3/4.9.1REFUELINGOPERATIONS-BORONCONCENTRATIONTheboronconcentrationlimitsaredeletedfromtheTSandrelocatedtotheCOLR.BASES3/4.1.33/4.2.1and3/4.9.1ThebasesareupdatedtoreflectthechangestocorrespondingTSdescribedabove.Section6.0ADMINISTRATIVECONTROLS:Addnewadministrativecontrol,"6.9.1.11COREOPERATINGLIIMITSREPORT(COLR)"asshowninInsert-BofAttachment3tothissubmittal.Page3/41-19a,page3/41-28,pages3/424through3/42-6,andpage3/42-12willbedeletedfromtheTSsincethesepageswillbeblank.Anoteisaddedtopage3/42-3and3/42-11whichdocumentsdeletionoftheaffectedpagesandmaintainscontinuityofpagination.BasesfortheProosedTSChanesCycle-specificparameterlimitsestablishedintheCOLR(Enclosure1)havebeenrelocatedwithoutchangefromtheexistingTS.TheproposedamendmentwillallowFPLtomakechangestothelimitsestablishedintheCOLR,providedNRC-approvedmethodsareusedandthecalculatedparametervaluesareconsistentwithallapplicablelimitsoftheplantsafetyanalyses.Underthespecifiedconditions,suchchangescanbemadewithoutanadverseimpactonnuclearsafety.DEFINITION1.9aisaddedtotheSt.LucieUnit2TechnicalSpecificationstoformallydefinetheCoreOperatingLimitsReport(COLR).TheCOLRwillprovidecyclespecificreactorphysicsparameterlimitsforeachcurrentoperatingreloadcyclethatarenototherwiseretainedinindividualtechnicalspecifications.Accordingly,LimitingConditionsforOperation(LCO)3.1.1.4,ModeratorTemperatureCoefficient;3/4.1.3,MovableControlAssemblies-CEAPosition;3.1.3.6,RegulatingCEAInsertionLimits;3/4.2.1,LinearHeatRate;3.2.2,TotalPlanarRadialPeakingFactors;3.2.3,TotalIntegratedRadialPeakingFactor,3.2.5,DNBParameters;and3/4.9.1,RefuelingOperations-BoronConcentrationaremodifiedtoreplacethespecificvaluesofcycle-specificparameterlimitswiththeappropriatereferencetotheformallydefinedCOLR.Theaffectedspecificationsarealsomodified,asappropriate,torequirethattheplantbeoperatedwithintheboundsofthelimitsprovidedintheCOLR.TheproposedTSchangesconformtotheguidanceinGL88-16and,areconsistentwithNUREG-1432.Specification6.9.1.11isaddedtotheadministrativecontrolssectionand(a)requiresthecycle-specificlimitsfortheabovelistedLCOstobedocumentedintheCOLRpriortoeachreloadcycleorpriortoanyremainingportionofareloadcycle;(b)liststheapprovedanalyticalmethodsusedtodeterminethecoreoperatinglimits;(c)requiresthecoreoperatinglimitstobeconsistentwithapplicablelimitsofthesafetyanalyses;and(d)requirestheCOLR,includinganyrevisionsorsupplementsthereto,tobeprovideduponissuanceforeachreloadcycletotheNRC.TheproposedspecificationisconsistentwithGL88-16andNUREG-1432.

St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentCore0eratinLimitsReortCOLRL-97-280Attachment1-Page4of4IncludedinthelistofdocumentsdescribingtheanalyticalmethodsisFPL'sTopicalReportNF-TR-95-01,"NuclearPhysicsMethodologyforReloadDesignofTurkeyPoint&St.LucieNuclearPlants,"January,1995.ThetopicalreportwasapprovedasanacceptablereferenceintheCOLRandassociatedTSforFPL'sTurkeyPointPlants(Reference1),andforSt.LucieUnit1inAmendmentNo.150(4/1/97)toFacilityOperatingLicenseDPR-67.ThetopicalreportdescribestheWestinghouseElectricCorporation(W}nucleardesignmethodsandcomputerprogramsavailableatFPLforwhichFPLhasreceivedextensivetraining.ForPSL2,thesafetyanalysismethodsofAseaBrownBoveri-CombustionEngineering(ABB-CE)andthenucleardesignmethodsofWareused,whereappropriate,indefiningthespecifiedCOLRparameterlimits.ThesafetyanalysisisperformedbyABB-CEwiththeNRCapprovedcomputercodes.ThegenerationofphysicsinputtothesafetyanalysisisaccomplishedbyeitherABB-CEusingtheircodesorbyFPLusingtheNRCapprovedWcomputercodes.SinceNF-TR-95-01didnotincludeanybenchmarkdataforPSL2,Supplement1(August1997)totheTopicalReportisprovidedasEnclosure2tothissubmittaltofurtherdemonstrateFPL'sabilitytoperformreloadcoredesignforSt.LucieUnit2.ThepredictionsofphysicsparametersusingtheWmethodsshowgoodagreementwhencomparedtotheSt.LucieUnit2measureddata.InTS4.2.1.3and4.2.1.4,thephrase"corepowerdistribution"isreplacedwith"linearheatrate"tomoreaccuratelyreflectthemonitoredparameteraddressedbythesurveillancerequirements.Thisisanadministrativechangeanddoesnotalterthespecifiedrequirements.ConclusionTheproposedchangestotheTechnicalSpecificationsthathavecycle-specificparameterlimitsconformtotheguidelinesofGL88-16.ThevaluesoftheseparameterlimitsaredefinedintheCOLR.Inadditionto10CFR50.59,changestotheCOLRwillbecontrolledinaccordancewiththeproposedadministrativecontrolsinthissubmittalwhichrequiretheuseofNRC-approvedanalyticalmethodsandrequirethatallapplicablelimitsofthesafetyanalysesaremet.TheCOLR,includinganymid-cyclerevisionsorsupplementsthereto,shallbeprovidedtotheNRCuponissuance,foreachreloadcycle.Accountingforplantspecificdifferencesinformat,theproposedTSchangesareconsistentwiththeStandardTechnicalSpecificationsforCombustionEngineeringPlants.AsdiscussedinAttachment2tothissubmittal,theproposedlicenseamendmentdoesnotinvolveasignificanthazardsconsideration

St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentCore0eratinLimitsReortCOLRATTACHMENT2toL-97-280DETERMINATIONOFNOSIGNIFICANTHAZARDSCONSIDERATION St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentCore0eratinLimitsReortCOLRL-97-280Attachment2Page1of2DETERMINATIONOFNOSIGNIFICANTHAZARDSCONSIDERATIONDescrfpI/onofamendmentrequest:TheproposedamendmenttoFacilityOperatingLicenseNPF-16forSt.LucieUnit2(PSL2)willmodifyspecificationsforselectedcycle-specificreactorphysicsparameterstorefertotheSt.LucieUnit2CoreOperatingLimitsReport(COLR)forlimitingvalues.Editorialchangesarealsoincludedforpurposesofclarificationand/orconsistency.TheproposedTechnicalSpecification(TS)changesconformtotheguidanceprovidedinGenericLetter88-16andareconsistentwiththeStandardTechnicalSpecificationsforCombustionEngineeringPlants(NUREG-1432,Revision1).Pursuantto10CFR50.92,adeterminationmaybemadethataproposedlicenseamendmentinvolvesnosignificanthazardsconsiderationifoperationofthefacilityinaccordancewiththeproposedamendmentwouldnot:(1)involveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated;or(2)createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated;or(3)involveasignificantreductioninamarginofsafety.Eachstandardisdiscussedasfollows:(1)Operationofthefacilityinaccordancewiththeproposedamendmentwouldnotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated.Theproposedamendmentrelocatesthecalculatedvaluesofselectedcycle-speciTicreactorphysicsparameterlimitsfromtheTStotheCOLR,andincludesminoreditorialchangeswhichdonotaltertheintentofstatedrequirements.Theamendmentisadministrativeinnatureandhasnoimpactonanyplantconfigurationorsystemperformancereliedupontomitigatetheconsequencesofanaccident.ParameterlimitsspecifiedintheCOLRforthisamendmentarenotchangedfromthevaluespresentlyrequiredbyTechnicalSpecifications.FuturechangestothecalculatedvaluesofsuchlimitsmayonlybemadeusingNRCapprovedmethodologies,mustbeconsistentwithallapplicablesafetyanalysislimits,andarecontrolledbythe10CFR50.59process.Assumptionsusedforaccidentinitiatorsand/orsafetyanalysisacceptancecriteriaarenotchangedbythisamendment.Therefore,operationofthefacilityinaccordancewiththeproposedamendmentwillnotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated.(2)Operationofthefacilityinaccordancewiththeproposedamendmentwouldnotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated.TheproposedamendmentrelocatesthecalculatedvaluesofcyclespecificreactorphysicslimitingparameterstotheCOLRandwillnotchangethephysicalplantorthemodesofoperationdefinedinthefacilitylicense.Thechangesdonotinvolvetheadditionofnewequipmentorthemodificationofexistingequipment,nordotheyalterthedesignconfigurationofSt.Lucieplantsystems.Therefore,operationofthefacilityinaccordancewiththeproposedamendmentwouldnotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated.

St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentCore0eratinLimitsReortCOLRL-97-280Attachment2Page2of2(3)Operationofthefacilityinaccordancewiththeproposedamendmentwouldnotinvolveasignificantreductioninamarginofsafety.ThecyclespecificparameterlimitsbeingrelocatedtotheCOLRbythisamendmenthavenotbeenchangedfromthevaluespresentlyrequiredbytheTS,andarequirementtooperatetheplantwithintheboundsofthelimitsspecifiedintheCOLRisretainedintheindividualspecifications.FuturechangestothecalculatedvaluesoftheselimitsbythelicenseemayonlybedevelopedusingNRC-approvedmethodologies,mustremainconsistentwithallapplicableplantsafetyanalysislimitsaddressedintheFinalSafetyAnalysisReport(FSAR),andarefurthercontrolledbythe10CFR50.59process.AsdiscussedinGenericLetter88-16,theadministrativecontrolsestablishedforthevaluesofcyclespecificparametersusingtheguidanceofthatletterassureconformancewith10CFR50.36.Safetyanalysisacceptancecriteriaarenotbeingalteredbythisamendment.Therefore,operationofthefacilityinaccordancewiththeproposedamendmentwouldnotinvolveasignificantreductioninamarginofsafety.BasedonthediscussionpresentedaboveandonthesupportingEvaluationofProposedTSChanges,FPLhasconcludedthatthisproposedlicenseamendmentinvolvesnosignificanthazardsconsideration.