ML112340236
| ML112340236 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 08/19/2011 |
| From: | Jesse M D Exelon Generation Co, Exelon Nuclear |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML112340231 | List: |
| References | |
| TAC ME6931 | |
| Download: ML112340236 (20) | |
Text
{{#Wiki_filter:PROPRIETARYINFORMATION-WITHHOLDUNDER10CFR2.39010CFR50.90August19,2011U.S.NuclearRegulatoryCommissionAttention:DocumentControlDeskWashington,D.C.20555-0001PeachBottomAtomicPowerStation,Unit3RenewedFacilityOperatingLicenseNo.DPR-56NRCDocketNo.50-278
Subject:
ResponsetoRequestforAdditionalInformation-LicenseAmendmentRequestConcerningSafetyLimitMinimumCriticalPowerRatioChange
References:
1)LetterfromM.D.Jesse(ExelonGenerationCompany,LLC)toU.S.NuclearRegulatoryCommission,"LicenseAmendmentRequest-SafetyLimitMinimumCriticalPowerRatioChange,IIdatedJune8,20112)LetterfromJ.D.Hughey(U.S.NuclearRegulatoryCommission)toM.J.Pacilio(ExelonGenerationCompany,LLC),"PeachBottomAtomicPowerStation,Unit3-RequestforAdditionalInformationRegardingLicenseAmendmentRequestforSafetyLimitMinimumCriticalPowerRatioChange(TACNO.ME6931),IIdatedAugust11,2011IntheReference1letter,ExelonGenerationCompany,LLC(Exelon)requestedaproposedchangetomodifyTechnicalSpecification(TS)2.1.1("ReactorCoreSLs").Specifically,thischangeincorporatesrevisedSafetyLimitMinimumCriticalPowerRatios(SLMCPRs)duetothecyclespecificanalysisperformedbyGlobalNuclearFuelforPeachBottomAtomicPowerStation(PBAPS),Unit3,Cycle19.IntheReference2letter,theU.S.NuclearRegulatoryCommissionrequestedadditionalinformation.Attachedisourresponsetothisrequest.Attachment1containstheExelonresponsetoRAI-07.Attachment2containstheGlobalNuclearFuel'sresponsetotheremainderofthequestions.Attachment2transmittedherewithcontainsProprietaryInformation.WhenseparatedfromAttachment2,thisdocumentisdecontrolled.PROPRIETARYINFORMATION-WITHHOLDUNDER10CFR2.39010CFR50.90August19,2011U.S.NuclearRegulatoryCommissionAttention:DocumentControlDeskWashington,D.C.20555-0001PeachBottomAtomicPowerStation,Unit3RenewedFacilityOperatingLicenseNo.DPR-56NRCDocketNo.50-278
Subject:
ResponsetoRequestforAdditionalInformation-LicenseAmendmentRequestConcerningSafetyLimitMinimumCriticalPowerRatioChange
References:
1)LetterfromM.D.Jesse(ExelonGenerationCompany,LLC)toU.S.NuclearRegulatoryCommission,"LicenseAmendmentRequest-SafetyLimitMinimumCriticalPowerRatioChange,IIdatedJune8,20112)LetterfromJ.D.Hughey(U.S.NuclearRegulatoryCommission)toM.J.Pacilio(ExelonGenerationCompany,LLC),"PeachBottomAtomicPowerStation,Unit3-RequestforAdditionalInformationRegardingLicenseAmendmentRequestforSafetyLimitMinimumCriticalPowerRatioChange(TACNO.ME6931),IIdatedAugust11,2011IntheReference1letter,ExelonGenerationCompany,LLC(Exelon)requestedaproposedchangetomodifyTechnicalSpecification(TS)2.1.1("ReactorCoreSLs").Specifically,thischangeincorporatesrevisedSafetyLimitMinimumCriticalPowerRatios(SLMCPRs)duetothecyclespecificanalysisperformedbyGlobalNuclearFuelforPeachBottomAtomicPowerStation(PBAPS),Unit3,Cycle19.IntheReference2letter,theU.S.NuclearRegulatoryCommissionrequestedadditionalinformation.Attachedisourresponsetothisrequest.Attachment1containstheExelonresponsetoRAI-07.Attachment2containstheGlobalNuclearFuel'sresponsetotheremainderofthequestions.Attachment2transmittedherewithcontainsProprietaryInformation.WhenseparatedfromAttachment2,thisdocumentisdecontrolled. U.S.NuclearRegulatoryCommissionResponsetoRequestforAdditionalInformationLicenseAmendmentRequestConcerningSafetyLimitMinimumCriticalPowerRatioChangeAugust19,2011Page2Attachment2containsinformationproprietarytoGlobalNuclearFuel.GlobalNuclearFuelrequeststhatthedocumentbewithheldfrompublicdisclosureinaccordancewith10CFR2.390.Attachment3containsanon-proprietaryversionoftheGlobalNuclearFueldocument.AnaffidavitsupportingthisrequestisalsocontainedinAttachment3.Therearenocommitmentscontainedwithinthisletter.Shouldyouhaveanyquestionsconcerningthisletter,pleasecontactTomLoomisat(610)5510.Ideclareunderpenaltyofperjurythattheforegoingistrueandcorrect.Executedonthe19thdayofAugust2011.Respectfully,Attachments:1)ResponsetoRAI-072)ProprietaryVersionofGlobalNuclearFuelLetter(CharlesF.Lamb(GlobalNuclearFuel)toJimTusar(ExelonGenerationCompany,LLC),datedAugust12,2011-CFL-EXN-HE3-11-092)3)Non-ProprietaryVersionofGlobalNuclearFuelLetterandAffidavitcc:USNRCRegionI,RegionalAdministratorUSNRCSeniorResidentInspector,PBAPSUSNRCProjectManager,PBAPSR.R.Janati,CommonwealthofPennsylvaniaS.T.Gray,StateofMarylandU.S.NuclearRegulatoryCommissionResponsetoRequestforAdditionalInformationLicenseAmendmentRequestConcerningSafetyLimitMinimumCriticalPowerRatioChangeAugust19,2011Page2Attachment2containsinformationproprietarytoGlobalNuclearFuel.GlobalNuclearFuelrequeststhatthedocumentbewithheldfrompublicdisclosureinaccordancewith10CFR2.390.Attachment3containsanon-proprietaryversionoftheGlobalNuclearFueldocument.AnaffidavitsupportingthisrequestisalsocontainedinAttachment3.Therearenocommitmentscontainedwithinthisletter.Shouldyouhaveanyquestionsconcerningthisletter,pleasecontactTomLoomisat(610)5510.Ideclareunderpenaltyofperjurythattheforegoingistrueandcorrect.Executedonthe19thdayofAugust2011.Respectfully,Attachments:1)ResponsetoRAI-072)ProprietaryVersionofGlobalNuclearFuelLetter(CharlesF.Lamb(GlobalNuclearFuel)toJimTusar(ExelonGenerationCompany,LLC),datedAugust12,2011-CFL-EXN-HE3-11-092)3)Non-ProprietaryVersionofGlobalNuclearFuelLetterandAffidavitcc:USNRCRegionI,RegionalAdministratorUSNRCSeniorResidentInspector,PBAPSUSNRCProjectManager,PBAPSR.R.Janati,CommonwealthofPennsylvaniaS.T.Gray,StateofMaryland Attachment1ResponsetoRAI-O?Attachment1ResponsetoRAI-O? ExelonResponsetoRAI-07Page1Question:RAI-07:Provideanupdatedversionofthepower/flowmapforPBAPSUnit3,Cycle19,operationincludingstabilityOptionIIIfeaturesofscramregionandcontrolledentryregionforupstabilityprotection.Response:Thefollowingisthepower/flowmapforback-upstabilityprotectionatPeachBottomAtomicPowerStation(PBAPS),Unit3.PBAPS,Unit3doesnotusethecontrolledentryregion.Instead,thisregionisconservativelytreatedasanimmediateexitregion(Region2)onthepower/flowmap.Region1onthepower/flowmapisthescramregion.ExelonResponsetoRAI-07Page1Question:RAI-07:Provideanupdatedversionofthepower/flowmapforPBAPSUnit3,Cycle19,operationincludingstabilityOptionIIIfeaturesofscramregionandcontrolledentryregionforupstabilityprotection.Response:Thefollowingisthepower/flowmapforback-upstabilityprotectionatPeachBottomAtomicPowerStation(PBAPS),Unit3.PBAPS,Unit3doesnotusethecontrolledentryregion.Instead,thisregionisconservativelytreatedasanimmediateexitregion(Region2)onthepower/flowmap.Region1onthepower/flowmapisthescramregion. ExelonResponsetoRAI-O?Page2PBAPSBACKUPSTABILITYSOLUTIONPOWERFLOWOPERATIONMAP120110120INCREASEDCOREHOWREGION1009080506070CoreFlow(%ofRated)40302010130120 11010090S-CI>80..12'070...CI>060Q.iiiECI>50.s:::....4030201000ExelonResponsetoRAI-O?Page2PBAPSBACKUPSTABILITYSOLUTIONPOWERFLOWOPERATIONMAP120110120INCREASEDCOREHOWREGION1009080506070CoreFlow(%ofRated)4030201013012011010090S-CI>80..12'070...CI>060Q.iiiECI>50.s:::....4030201000 Attachment3Non-ProprietaryVersionofGlobalNuclearFuelLetterandAffidavitAttachment3Non-ProprietaryVersionofGlobalNuclearFuelLetterandAffidavit ENCLOSURE2CFL-EXN-HE3-11-092ResponsetoNRCRAlsforPeachBottomUnit3Cycle19SLMCPRSubmittalNon-ProprietaryInformation-ClassI(Public)INFORMATIONNOTICEThisisanon-proprietaryversionofCFL-EXN-HE3-11-092Enclosure1,whichhastheproprietaryinformationremoved.Portionsofthedocumentthathavebeenremovedareindicatedbywhitespaceinsideanopenandclosedbracketasshownhere[[]].ENCLOSURE2CFL-EXN-HE3-11-092ResponsetoNRCRAlsforPeachBottomUnit3Cycle19SLMCPRSubmittalNon-ProprietaryInformation-ClassI(Public)INFORMATIONNOTICEThisisanon-proprietaryversionofCFL-EXN-HE3-11-092Enclosure1,whichhastheproprietaryinformationremoved.Portionsofthedocumentthathavebeenremovedareindicatedbywhitespaceinsideanopenandclosedbracketasshownhere[[]]. CFL-EXN-HE3-11-092Enclosure2Non-ProprietaryInformation-ClassI(Public)Page1of9REQUESTFORADDITIONALINFORMATIONRELATEDTOLICENSEAMENDMENTREQUESTFORTECHNICALSPECIFICATIONCHANGESTOSAFETYLIMITMINIMUMCRITICALPOWERRATIOVALUESPEACHBOTTOMATOMICPOWERSTATION-UNIT3DOCKETNO.50-278BylettertotheNuclearRegulatoryCommission(NRC)datedJune8,20111,ExelonGenerationCompany,LLC,(Exelon)submittedaLicenseAmendmentRequestforPeachBottomAtomicPowerStation(PBAPS),Unit3.ThesubmittalseekstoreviseTechnicalSpecification2.1.1,"ReactorCoreSLs[safetylimits)"toreflectrevisedSafetyLimitMinimumCriticalPowerRatiovaluesforOperatingCycle19.TheNRCstaffhasreviewedExelon'ssubmittalanddeterminedthatadditionalinformation,asdescribedbelow,isneededtocompletethereview.(Notethatthe"Attachment4"referencedbelowisthenon-publiclyavailable,proprietaryversionofAttachment5associatedwiththesubmittaldatedJune8,2011.)1AgencywideDocumentsAccessandManagementSystem(ADAMS)AccessionNo.ML111600180CFL-EXN-HE3-11-092Enclosure2Non-ProprietaryInformation-ClassI(Public)Page1of9REQUESTFORADDITIONALINFORMATIONRELATEDTOLICENSEAMENDMENTREQUESTFORTECHNICALSPECIFICATIONCHANGESTOSAFETYLIMITMINIMUMCRITICALPOWERRATIOVALUESPEACHBOTTOMATOMICPOWERSTATION-UNIT3DOCKETNO.50-278BylettertotheNuclearRegulatoryCommission(NRC)datedJune8,20111,ExelonGenerationCompany,LLC,(Exelon)submittedaLicenseAmendmentRequestforPeachBottomAtomicPowerStation(PBAPS),Unit3.ThesubmittalseekstoreviseTechnicalSpecification2.1.1,"ReactorCoreSLs[safetylimits)"toreflectrevisedSafetyLimitMinimumCriticalPowerRatiovaluesforOperatingCycle19.TheNRCstaffhasreviewedExelon'ssubmittalanddeterminedthatadditionalinformation,asdescribedbelow,isneededtocompletethereview.(Notethatthe"Attachment4"referencedbelowisthenon-publiclyavailable,proprietaryversionofAttachment5associatedwiththesubmittaldatedJune8,2011.)1AgencywideDocumentsAccessandManagementSystem(ADAMS)AccessionNo.ML111600180 CFL-EXN-HE3-112RAI-01:Non-ProprietaryInformationProvidetheP8APSUnit3VVVIV"-"...,V\,,,IIIVfuelquantityforfueltypeandstatewhenthespecificfuelareloadedinthecoreonce,ortwiceburn)asdepictedinFigure1ofAttachment4forthe19coreloadingRESPONSETORAI-01:TableRAI-01-1isprovidedbelowforclarification.TableRAI-01-1Figure1ofAttachment4(Cycle19)CoreDescription-FuelType,BundleName,Numberofelllr'u*nftC!';yl1--....._.....Flaft<<*****Cyc..le.**.........--....-...."".*Type.................1<*':':L.*..<Irradiated:AGE14-P1ODNA8416-15GZ-100T-150-T6-29082418BGE14-P1ODNAB408-15GZ-1OOT-150-T6-32138318CGNF2-P1ODG28400-13GZ-100T2-150-T6-2850-LUA216DGE14-P1ODNAB414-14GZ-1OOT-150-T6-32002418E10DNA8403-15GZ-1OOT-150-T6-30033018FGE14-P1ODNAB417-15GZ-1OOT-150-T6-31994818GGE14-P1ODNAB408-15GZ-1OOT-150-T6-32131318HGE14-P1ODNAB420-13GZ-1OOT-150-T6-31984818JGE14-P1ODNAB414-14GZ-1OOT-150-T6-30026217KGE14-P1ODNA8416-15GZ-1OOT-150-T6-29088017LGE14-P1ODNA8409-15GZ-1OOT-150-T6-29132417NGE14-P1ODNAB403-15GZ-1OOT-150-T6-300316170GE14-P10DNAB403-15GZ-1OOT-150-T6-3003218PGE14-P1ODNA8418-12GZ-1OOT-150-T6-30052417QGE14-P1ODNAB412-14GZ-1OOT-150-T6-30041617Fresh:TGNF2-P10DG28390-4G8.0/8G7.0/2G6.0-100T2-150-T6-39926019RGNF2-P1ODG28399-13GZ-100T2-150-T6-39931619UGNF2-P1ODG28404-13GZ-100T2-150-T6-39941619IGNF2-P1ODG2B395-14GZ-100T2-150-T6-39911619MGNF2-P1ODG28390-4G8.0/8G7.0/2G6.0-100T2-150-T6-39929619SGNF2-P1ODG28404-13GZ-100T2-150-T6-39946419CFL-EXN-HE3-112RAI-01:Non-ProprietaryInformationProvidetheP8APSUnit3VVVIV"-"...,V\,,,IIIVfuelquantityforfueltypeandstatewhenthespecificfuelareloadedinthecoreonce,ortwiceburn)asdepictedinFigure1ofAttachment4forthe19coreloadingRESPONSETORAI-01:TableRAI-01-1isprovidedbelowforclarification.TableRAI-01-1Figure1ofAttachment4(Cycle19)CoreDescription-FuelType,BundleName,Numberofelllr'u*nftC!';yl1--....._.....Flaft<<*****Cyc..le.**.........--....-...."".*Type.................1<*':':L.*..<Irradiated:AGE14-P1ODNA8416-15GZ-100T-150-T6-29082418BGE14-P1ODNAB408-15GZ-1OOT-150-T6-32138318CGNF2-P1ODG28400-13GZ-100T2-150-T6-2850-LUA216DGE14-P1ODNAB414-14GZ-1OOT-150-T6-32002418E10DNA8403-15GZ-1OOT-150-T6-30033018FGE14-P1ODNAB417-15GZ-1OOT-150-T6-31994818GGE14-P1ODNAB408-15GZ-1OOT-150-T6-32131318HGE14-P1ODNAB420-13GZ-1OOT-150-T6-31984818JGE14-P1ODNAB414-14GZ-1OOT-150-T6-30026217KGE14-P1ODNA8416-15GZ-1OOT-150-T6-29088017LGE14-P1ODNA8409-15GZ-1OOT-150-T6-29132417NGE14-P1ODNAB403-15GZ-1OOT-150-T6-300316170GE14-P10DNAB403-15GZ-1OOT-150-T6-3003218PGE14-P1ODNA8418-12GZ-1OOT-150-T6-30052417QGE14-P1ODNAB412-14GZ-1OOT-150-T6-30041617Fresh:TGNF2-P10DG28390-4G8.0/8G7.0/2G6.0-100T2-150-T6-39926019RGNF2-P1ODG28399-13GZ-100T2-150-T6-39931619UGNF2-P1ODG28404-13GZ-100T2-150-T6-39941619IGNF2-P1ODG2B395-14GZ-100T2-150-T6-39911619MGNF2-P1ODG28390-4G8.0/8G7.0/2G6.0-100T2-150-T6-39929619SGNF2-P1ODG28404-13GZ-100T2-150-T6-39946419 CFL-EXN-HE3-11-092Enclosure2RAI-02:Non-ProprietaryInformation-ClassI(Public)Page30f9ProvidetheinformationtoobtainafinalcoreloadingpatternasshowninFigure1ofAttachment4includingprocedures,guidelines,criteria,andapprovedmethodologiesusedforthisanalysis.RESPONSETORAI-02:TheloadingpatternisdevelopedcollaborativelybyGNFandExelonbasedonExeloninput.Amongtheinputsare:*CycleEnergyRequirements-fuelbundledesign(nuclear)andloadingpatterns*ThermalLimitMargins*ReactivityMargins-minimumshutdownmargin,minimumandmaximumhotexcessreactivity*DischargeExposureLimitationsandOtherLimits-asestablishedbysafetyanalysis*DesiredControlRodPatterns-sequencesanddurations*ChannelDistortionMinimizationMethodsusedtoanalyzethecore-loadingpatternareinaccordancewithGESTARII(Reference02-1).GESTARIIistheumbrellaforallprocedures,guidelines,criteria,andmethodologiesusedforthisanalysis.Thereisnochangeinapprovedmethodologies.ThisisaSLMCPRTechnicalSpecificationschangewithinapprovedmethodologies.SLMCPRisnottheprimarydriverindevelopingthefuelcyclecoredesign.Theenergyplan,reactivity,andthermalmarginsaretheprimarydrivers.
REFERENCES:
02-1:GlobalNuclearFuel,"GeneralElectricStandardApplicationforReactorFuel(GESTARII),"NEDE-24011-P-A-18andNEDE-24011-P-A-18-US,April2011.CFL-EXN-HE3-11-092Enclosure2RAI-02:Non-ProprietaryInformation-ClassI(Public)Page30f9ProvidetheinformationtoobtainafinalcoreloadingpatternasshowninFigure1ofAttachment4includingprocedures,guidelines,criteria,andapprovedmethodologiesusedforthisanalysis.RESPONSETORAI-02:TheloadingpatternisdevelopedcollaborativelybyGNFandExelonbasedonExeloninput.Amongtheinputsare:*CycleEnergyReqUirements-fuelbundledesign(nuclear)andloadingpatterns*ThermalLimitMargins*ReactivityMargins-minimumshutdownmargin,minimumandmaximumhotexcessreactivity*DischargeExposureLimitationsandOtherLimits-asestablishedbysafetyanalysis*DesiredControlRodPatterns-sequencesanddurations*ChannelDistortionMinimizationMethodsusedtoanalyzethecore-loadingpatternareinaccordancewithGESTARII(Reference02-1).GESTARIIistheumbrellaforallprocedures,guidelines,criteria,andmethodologiesusedforthisanalysis.Thereisnochangeinapprovedmethodologies.ThisisaSLMCPRTechnicalSpecificationschangewithinapprovedmethodologies.SLMCPRisnottheprimarydriverindevelopingthefuelcyclecoredesign.Theenergyplan,reactivity,andthermalmarginsaretheprimarydrivers.
REFERENCES:
02-1:GlobalNuclearFuel,"GeneralElectricStandardApplicationforReactorFuel(GESTARII),"NEDE-24011-P-A-18andNEDE-24011-P-A-18-US,April2011. CFL-EXN-HE3-11-092Enclosure2RAI-03:Non-ProprietaryInformation-ClassI(Public)Page4of9Providetherationaleforwhya35.1%reloadbatchfractionforGNF2fuelcausedtheproposedSLMCPRtochangeby0.02fortworecirculationloopoperationand0.03forsinglerecirculationloopoperationfortheproposedloadingpatterninFigure1ofAttachment4.ResponsetoRAI-03:Section2.1ofAttachment4describesthemajorcontributorstotheSLMCPRchange.Inadditiontotheexplanationprovidedinthissection,Table6ofAttachment4prOVidesalistoftheGEXLcriticalpoweruncertaintiesdeterminedinaccordancetotheNRC-approvedmethodologycontainedinGESTARII(Reference03-1)alongwiththevaluesactuallyused.PBAPSUnit3Cycle19isthefirstfullreloadofGNF2andthereforeappliesahighercriticalpoweruncertaintyvaluetotheSLMCPRcalculationthantheGE14valueusedinthepreviousreload,whichcontributestoanincreaseintheSLMCPR.
REFERENCES:
03-1:GlobalNuclearFuel,"GeneralElectricStandardApplicationforReactorFuel(GESTARII),"NEDE-24011-P-A-18andNEDE-24011-P-A-18-US,April2011.CFL-EXN-HE3-11-092Enclosure2RAI-03:Non-ProprietaryInformation-ClassI(Public)Page4of9Providetherationaleforwhya35.1%reloadbatchfractionforGNF2fuelcausedtheproposedSLMCPRtochangeby0.02fortworecirculationloopoperationand0.03forsinglerecirculationloopoperationfortheproposedloadingpatterninFigure1ofAttachment4.ResponsetoRAI-03:Section2.1ofAttachment4describesthemajorcontributorstotheSLMCPRchange.Inadditiontotheexplanationprovidedinthissection,Table6ofAttachment4prOVidesalistoftheGEXLcriticalpoweruncertaintiesdeterminedinaccordancetotheNRC-approvedmethodologycontainedinGESTARII(Reference03-1)alongwiththevaluesactuallyused.PBAPSUnit3Cycle19isthefirstfullreloadofGNF2andthereforeappliesahighercriticalpoweruncertaintyvaluetotheSLMCPRcalculationthantheGE14valueusedinthepreviousreload,whichcontributestoanincreaseintheSLMCPR.
REFERENCES:
03-1:GlobalNuclearFuel,"GeneralElectricStandardApplicationforReactorFuel(GESTARII),"NEDE-24011-P-A-18andNEDE-24011-P-A-18-US,April2011. CFL-EXN-HE3-11-092Enclosure2RAI..04:Non-ProprietaryInformation-ClassI(Public)Page5of9Confirmthatthefuel-relatedcoefficientsandconstantsarethesameintheapproximationofthecorrelationfortheMCPRImportanceParameter(MIP)andtheR-factorImportanceParameter(RIP)forallofthefuelsshowninFigure5ofAttachment4.ResponsetoRAI..04:AllofthefuelsshowninFigure5ofAttachment4usethesamecoefficientsandconstantsintheapproximationofthecorrelationfortheMIPandRIP.ThecorrelationprovidesanestimatetocheckthereasonablenessoftheMonteCarloresultItisnotusedforanyotherpurpose.ThemethodologyandfinalSLMCPRisbasedontherigorousMonteCarloanalysis.AdescriptionofthecorrelationusedfortheTLOSLMCPRestimateusingtheMIPRIPcorrelationisprovidedbelow.[[]]CFL-EXN-HE3-11-092Enclosure2RAI..04:Non-ProprietaryInformation-ClassI(Public)Page5of9Confirmthatthefuel-relatedcoefficientsandconstantsarethesameintheapproximationofthecorrelationfortheMCPRImportanceParameter(MIP)andtheR-factorImportanceParameter(RIP)forallofthefuelsshowninFigure5ofAttachment4.ResponsetoRAI..04:AllofthefuelsshowninFigure5ofAttachment4usethesamecoefficientsandconstantsintheapproximationofthecorrelationfortheMIPandRIP.ThecorrelationprovidesanestimatetocheckthereasonablenessoftheMonteCarloresultItisnotusedforanyotherpurpose.ThemethodologyandfinalSLMCPRisbasedontherigorousMonteCarloanalysis.AdescriptionofthecorrelationusedfortheTLOSLMCPRestimateusingtheMIPRIPcorrelationisprovidedbelow.[[]] CFL-EXN-HE3-11-092Enclosure2Non-ProprietaryInformation-ClassI(Public)Page6of9BackgroundforRAI-05.1toRAI-05.3:Section2.1,"MajorContributorstoSLMCPRChange,"statesthatTable3presentsestimatedimpactsontheTLOSLMCPRduetomethodologydeviations,penalties,uncertaintiesand/ordeviationsfromapprovedvalues.RAI-05.1:ProvidecalculationdetailsandjustifythattheresultslistedinTable3areconservativerelatedtomethodologydeviations,penalties,uncertaintiesand/ordeviationsfromapprovedvalues.ResponsetoRAI-05.1:TheMonteCarloTLOandSLOresultslistedinTable3ofAttachment4areconservativerelatedtomethodologydeviations,penalties,and/oruncertaintiesdeviationsfromapprovedvalues.Section2.2ofAttachment4discussesthedeviationsfromtheNRC-approvedvalues.RAI-05.2:ProvideaqualitativeexplanationoftheimpactontheSLMCPRestimateatratedpowerandratedflowversusminimumcoreusingMIPRIPcorrelationasdescribedinSection2.1ofAttachment4.ResponsetoRAI-05.2:Section2.1ofAttachment4statesthatiftheminimumcoreflowcaseisapplicable,theTLOSLMCPRestimateisalsoprovidedforthatcasealthoughtheMIPRIPcorrelationisonlyapplicabletotheratedcoreflowcases,andthatthisisdoneonlytoprovidesomereasonableassessmentbasisfortheminimumcoreflowtrend.AsdescribedinTable3ofAttachment4,anadditionaluncertaintyof0.003isappliedtotheestimatedSLMCPRforthelowcoreflowcaseasaresult.RAI-05.3:Provideajustificationthatallaffectedfactorsincludinganyfuel-relatedPart21issuesarereflectedinTable3.ResponsetoRAI-05.3:Therearenoknown10CFRPart21factorsthataffectthePBAPSUnit3Cycle19SLMCPRcalculations.CFL-EXN-HE3-11-092Enclosure2Non-ProprietaryInformation-ClassI(Public)Page6of9BackgroundforRAI-05.1toRAI-05.3:Section2.1,"MajorContributorstoSLMCPRChange,"statesthatTable3presentsestimatedimpactsontheTLOSLMCPRduetomethodologydeviations,penalties,uncertaintiesand/ordeviationsfromapprovedvalues.RAI-05.1:ProvidecalculationdetailsandjustifythattheresultslistedinTable3areconservativerelatedtomethodologydeviations,penalties,uncertaintiesand/ordeviationsfromapprovedvalues.ResponsetoRAI-05.1:TheMonteCarloTLOandSLOresultslistedinTable3ofAttachment4areconservativerelatedtomethodologydeviations,penalties,and/oruncertaintiesdeviationsfromapprovedvalues.Section2.2ofAttachment4discussesthedeviationsfromtheNRC-approvedvalues.RAI-05.2:ProvideaqualitativeexplanationoftheimpactontheSLMCPRestimateatratedpowerandratedflowversusminimumcoreusingMIPRIPcorrelationasdescribedinSection2.1ofAttachment4.ResponsetoRAI-05.2:Section2.1ofAttachment4statesthatiftheminimumcoreflowcaseisapplicable,theTLOSLMCPRestimateisalsoprovidedforthatcasealthoughtheMIPRIPcorrelationisonlyapplicabletotheratedcoreflowcases,andthatthisisdoneonlytoprovidesomereasonableassessmentbasisfortheminimumcoreflowtrend.AsdescribedinTable3ofAttachment4,anadditionaluncertaintyof0.003isappliedtotheestimatedSLMCPRforthelowcoreflowcaseasaresult.RAI-05.3:Provideajustificationthatallaffectedfactorsincludinganyfuel-relatedPart21issuesarereflectedinTable3.ResponsetoRAI-05.3:Therearenoknown10CFRPart21factorsthataffectthePBAPSUnit3Cycle19SLMCPRcalculations. CFL-EXN-HE3-11-092Enclosure2RAI-06:Non-ProprietaryInformation-ClassI(Public)Page7of9Provideareactorcoremapthatdepictsthe0.1percentoffuelbundlesthatmayexperienceboilingtransitionforthelimitingSLMCPRcase.Includeinformationregardingthefuelbundlegroup,groupexposure,thenumberofbundles,fueltypeandthepercentcontributiontothenumberoffuelrodsthataresubjectedtoboilingtransition.ResponsetoRAI-06:ThebundlegroupingsfortheTLOSLMCPRcalculationsareshowninTableRAI-06-1,alongwiththenumberofbundlesinthegroup,theircontributiontopercentnumberofrodsinboilingtransition(NRSBT)andthegroupaverageexposureattheanalysispoint.The2-dimensionalcoremapofthebundlegroupingsisshowninFigureRAI-06-1fortheupperlefthandquadrantinthecore.ThebundlegroupingsfortheSLOSLMCPRcalculationsareshowninTableRAI-06-2,alongwiththenumberofbundlesinthegroup,theircontributiontothepercentNRSBTandthegroupaverageexposureattheanalysispoint.[[n.BoththeTLOandSLOare[[n*CFL-EXN-HE3-11-092Enclosure2RAI-06:Non-ProprietaryInformation-ClassI(Public)Page7of9Provideareactorcoremapthatdepictsthe0.1percentoffuelbundlesthatmayexperienceboilingtransitionforthelimitingSLMCPRcase.Includeinformationregardingthefuelbundlegroup,groupexposure,thenumberofbundles,fueltypeandthepercentcontributiontothenumberoffuelrodsthataresubjectedtoboilingtransition.ResponsetoRAI-06:ThebundlegroupingsfortheTLOSLMCPRcalculationsareshowninTableRAI-06-1,alongwiththenumberofbundlesinthegroup,theircontributiontopercentnumberofrodsinboilingtransition(NRSBT)andthegroupaverageexposureattheanalysispoint.The2-dimensionalcoremapofthebundlegroupingsisshowninFigureRAI-06-1fortheupperlefthandquadrantinthecore.ThebundlegroupingsfortheSLOSLMCPRcalculationsareshowninTableRAI-06-2,alongwiththenumberofbundlesinthegroup,theircontributiontothepercentNRSBTandthegroupaverageexposureattheanalysispoint.[[n.BoththeTLOandSLOare[[n* CFL-EXN-HE3-11-092Enclosure2Non-ProprietaryInformation-I(Public)Page8of9TableRAI-06-1BundleGroup,NumberofBundles,BundleType,PercentContributiontoNRSBT,andGroupExposureforTLO[[]][[]]FigureRAI-06-1Two-DimensionalMapoftheBundleGroupingsforPercentContributiontoNRSBTforTLOCFL-EXN-HE3-11-092Enclosure2Non-ProprietaryInformation-I(Public)Page8of9TableRAI-06-1BundleGroup,NumberofBundles,BundleType,PercentContributiontoNRSBT,andGroupExposureforTLO[[]][[]]FigureRAI-06-1Two-DimensionalMapoftheBundleGroupingsforPercentContributiontoNRSBTforTLO CFL-EXN-HE3-11-092Enclosure2Non-ProprietaryInformation-ClassI(Public)Page90f9TableRAI-06-2BundleGroup,NumberofBundles,BundleType,PercentContributiontoNRSBT,andGroupExposureforSlO[[]][[]]FigureRAI-06-2Two-DimensionalMapoftheBundleGroupingsforPercentContributiontoNRSBTforSlOCFL-EXN-HE3-11-092Enclosure2Non-ProprietaryInformation-ClassI(Public)Page90f9TableRAI-06-2BundleGroup,NumberofBundles,BundleType,PercentContributiontoNRSBT,andGroupExposureforSlO[[]][[]]FigureRAI-06-2Two-DimensionalMapoftheBundleGroupingsforPercentContributiontoNRSBTforSlO ENCLOSURE3CFL-EXN-HE3-11-092AffidavitENCLOSURE3CFL-EXN-HE3-11-092Affidavit GlobalNuclearFuel-AmericasAFFIDAVITI,AtulA.Karve,stateasfollows:(1)IamManager,Methods,GlobalNuclearFuel-Americas,LLC(GNF-A),andhavebeendelegatedthefunctionofreviewingtheinformationdescribedinparagraph(2)whichissoughttobewithheld,andhavebeenauthorizedtoapplyforitswithholding.(2)TheinformationsoughttobewithheldiscontainedinEnclosure1ofGNF'sletter,CFL-EXN-HE3-11-092,C.Lamb(GNF-A)toJ.Tusar(ExelonNuclear),entitled"GNFResponsetoNRCRAIsforPeachBottomUnit3Cycle19SLMCPRSubmittal,"datedAugust12,2011.GNF-AproprietaryinformationinEnclosure1,whichisentitled"ResponsetoNRCRAlsforPeachBottomUnit3Cycle19SLMCPRSubmittal,"isidentifiedbyadottedunderlineinsidedoublesquarebrackets.A""markingatthebeginningofatable,figure,orparagraphclosedwitha""markingattheendofthetable,figureorparagraphisusedtoindicatethattheentirecontentbetweenthedoublebracketsisproprietary.Ineachcase,thesuperscriptnotationPireferstoParagraph(3)ofthisaffidavit,whichprovidesthebasisfortheproprietarydetermination.(3)Inmakingthisapplicationforwithholdingofproprietaryinformationofwhichitistheownerorlicensee,GNF-AreliesupontheexemptionfromdisclosuresetforthintheFreedomofInformationAct("FOIA"),5USCSec.552(b)(4),andtheTradeSecretsAct,18USCSec.1905,andNRCregulations10CFR9.17(a)(4),and2.390(a)(4)for"tradesecrets"(Exemption4).Thematerialforwhichexemptionfromdisclosureisheresoughtalsoqualifyunderthenarrowerdefinitionof"tradesecret",withinthemeaningsassignedtothosetermsforpurposesofFOIAExemption4in,respectively,CriticalMassEnergyProjectv.NuclearRegulatoryCommission,975F2d871(DCCir.1992),andPublicCitizenHealthResearchGroupv.FDA,704F2d1280(DCCir.1983).(4)Someexamplesofcategoriesofinformationwhichfitintothedefinitionofproprietaryinformationare:a.Informationthatdisclosesaprocess,method,orapparatus,includingsupportingdataandanalyses,wherepreventionofitsusebyGNF-A'scompetitorswithoutlicensefromGNF-Aconstitutesacompetitiveeconomicadvantageoverothercompanies;b.Informationwhich,ifusedbyacompetitor,wouldreducehisexpenditureofresourcesorimprovehiscompetitivepositioninthedesign,manufacture,shipment,installation,assuranceofquality,orlicensingofasimilarproduct;c.Informationwhichrevealsaspectsofpast,present,orfutureGNF-Afundeddevelopmentplansandprograms,resultinginpotentialproductstoGNF-A;CFL-EXN-HE3-11-092AffidavitPage1of3GlobalNuclearFuel-AmericasAFFIDAVITI,AtulA.Karve,stateasfollows:(1)IamManager,Methods,GlobalNuclearFuel-Americas,LLC(GNF-A),andhavebeendelegatedthefunctionofreviewingtheinformationdescribedinparagraph(2)whichissoughttobewithheld,andhavebeenauthorizedtoapplyforitswithholding.(2)TheinformationsoughttobewithheldiscontainedinEnclosure1ofGNF'sletter,CFL-EXN-HE3-11-092,C.Lamb(GNF-A)toJ.Tusar(ExelonNuclear),entitled"GNFResponsetoNRCRAIsforPeachBottomUnit3Cycle19SLMCPRSubmittal,"datedAugust12,2011.GNF-AproprietaryinformationinEnclosure1,whichisentitled"ResponsetoNRCRAlsforPeachBottomUnit3Cycle19SLMCPRSubmittal,"isidentifiedbyadottedunderlineinsidedoublesquarebrackets.A""markingatthebeginningofatable,figure,orparagraphclosedwitha""markingattheendofthetable,figureorparagraphisusedtoindicatethattheentirecontentbetweenthedoublebracketsisproprietary.Ineachcase,thesuperscriptnotationPireferstoParagraph(3)ofthisaffidavit,whichprovidesthebasisfortheproprietarydetermination.(3)Inmakingthisapplicationforwithholdingofproprietaryinformationofwhichitistheownerorlicensee,GNF-AreliesupontheexemptionfromdisclosuresetforthintheFreedomofInformationAct("FOIA"),5USCSec.552(b)(4),andtheTradeSecretsAct,18USCSec.1905,andNRCregulations10CFR9.17(a)(4),and2.390(a)(4)for"tradesecrets"(Exemption4).Thematerialforwhichexemptionfromdisclosureisheresoughtalsoqualifyunderthenarrowerdefinitionof"tradesecret",withinthemeaningsassignedtothosetermsforpurposesofFOIAExemption4in,respectively,CriticalMassEnergyProjectv.NuclearRegulatoryCommission,975F2d871(DCCir.1992),andPublicCitizenHealthResearchGroupv.FDA,704F2d1280(DCCir.1983).(4)Someexamplesofcategoriesofinformationwhichfitintothedefinitionofproprietaryinformationare:a.Informationthatdisclosesaprocess,method,orapparatus,includingsupportingdataandanalyses,wherepreventionofitsusebyGNF-A'scompetitorswithoutlicensefromGNF-Aconstitutesacompetitiveeconomicadvantageoverothercompanies;b.Informationwhich,ifusedbyacompetitor,wouldreducehisexpenditureofresourcesorimprovehiscompetitivepositioninthedesign,manufacture,shipment,installation,assuranceofquality,orlicensingofasimilarproduct;c.Informationwhichrevealsaspectsofpast,present,orfutureGNF-Afundeddevelopmentplansandprograms,resultinginpotentialproductstoGNF-A;CFL-EXN-HE3-11-092AffidavitPage1of3 d.Informationwhichdisclosespatentablesubjectmatterforwhichitmaybedesirabletoobtainpatentprotection.Theinformationsoughttobewithheldisconsideredtobeproprietaryforthereasonssetforthinparagraphs(4)a.and(4)b.above.(5)Toaddress10CFR2.390(b)(4),theinformationsoughttobewithheldisbeingsubmittedtoNRCinconfidence.TheinformationisofasortcustomarilyheldinconfidencebyGNF-A,andisinfactsoheld.Theinformationsoughttobewithheldtothebestofmyknowledgeandbelief,consistentlybeenheldinconfidencebyGNF-A,nopublicdisclosurehasbeenmade,anditisnotavailableinpublicsources.AlldisclosurestothirdpartiesincludinganyrequiredtransmittalstoNRC,havebeenmade,ormustbemade,pursuanttoregulatoryprovisionsorproprietaryagreementswhichprovideformaintenanceoftheinformationinconfidence.Itsinitialdesignationasproprietaryinformation,andthesubsequentstepstakentopreventitsunauthorizeddisclosure,areassetforthinparagraphs(6)and(7)following.(6)Initialapprovalofproprietarytreatmentofadocumentismadebythemanageroftheoriginatingcomponent,thepersonmostlikelytobeacquaintedwiththevalueandsensitivityoftheinformationinrelationtoindustryknowledge,orsubjecttothetermsunderwhichitwaslicensedtoGNF-A.AccesstosuchdocumentswithinGNF-Aislimitedona"needtoknow"basis.(7)Theprocedureforapprovalofexternalreleaseofsuchadocumenttypicallyrequiresreviewbythestaffmanager,projectmanager,principalscientistorotherequivalentauthority,bythemanagerofthecognizantmarketingfunction(orhisdelegate),andbytheLegalOperation,fortechnicalcontent,competitiveeffect,anddeterminationoftheaccuracyoftheproprietarydesignation.DisclosuresoutsideGNF-Aarelimitedtoregulatorybodies,customers,andpotentialcustomers,andtheiragents,suppliers,andlicensees,andotherswithalegitimateneedfortheinformation,andthenonlyinaccordancewithappropriateregulatoryprovisionsorproprietaryagreements.(8)Theinformationidentifiedinparagraph(2)isclassifiedasproprietarybecauseitcontainsdetailsofGNF-A'sfueldesignandlicensingmethodology.Thedevelopmentofthismethodology,alongwiththetesting,developmentandapprovalwasachievedatasignificantcosttoGNF-A.ThedevelopmentofthefueldesignandlicensingmethodologyalongwiththeinterpretationandapplicationoftheanalyticalresultsisderivedfromanextensiveexperiencedatabasethatconstitutesamajorGNF-Aasset.(9)PublicdisclosureoftheinformationsoughttobewithheldislikelytocausesubstantialharmtoGNF-A'scompetitivepositionandforecloseorreducetheavailabilityofprofit-makingopportunities.TheinformationispartofGNF-A'scomprehensiveBWRsafetyandtechnologybase,anditscommercialvalueextendsbeyondtheoriginaldevelopmentcost.ThevalueofthetechnologybasegoesbeyondtheextensivephysicaldatabaseandanalyticalmethodologyandincludesCFL-EXN-HE3-11-092AffidavitPage2of3d.Informationwhichdisclosespatentablesubjectmatterforwhichitmaybedesirabletoobtainpatentprotection.Theinformationsoughttobewithheldisconsideredtobeproprietaryforthereasonssetforthinparagraphs(4)a.and(4)b.above.(5)Toaddress10CFR2.390(b)(4),theinformationsoughttobewithheldisbeingsubmittedtoNRCinconfidence.TheinformationisofasortcustomarilyheldinconfidencebyGNF-A,andisinfactsoheld.Theinformationsoughttobewithheldtothebestofmyknowledgeandbelief,consistentlybeenheldinconfidencebyGNF-A,nopublicdisclosurehasbeenmade,anditisnotavailableinpublicsources.AlldisclosurestothirdpartiesincludinganyrequiredtransmittalstoNRC,havebeenmade,ormustbemade,pursuanttoregulatoryprovisionsorproprietaryagreementswhichprovideformaintenanceoftheinformationinconfidence.Itsinitialdesignationasproprietaryinformation,andthesubsequentstepstakentopreventitsunauthorizeddisclosure,areassetforthinparagraphs(6)and(7)following.(6)Initialapprovalofproprietarytreatmentofadocumentismadebythemanageroftheoriginatingcomponent,thepersonmostlikelytobeacquaintedwiththevalueandsensitivityoftheinformationinrelationtoindustryknowledge,orsubjecttothetermsunderwhichitwaslicensedtoGNF-A.AccesstosuchdocumentswithinGNF-Aislimitedona"needtoknow"basis.(7)Theprocedureforapprovalofexternalreleaseofsuchadocumenttypicallyrequiresreviewbythestaffmanager,projectmanager,principalscientistorotherequivalentauthority,bythemanagerofthecognizantmarketingfunction(orhisdelegate),andbytheLegalOperation,fortechnicalcontent,competitiveeffect,anddeterminationoftheaccuracyoftheproprietarydesignation.DisclosuresoutsideGNF-Aarelimitedtoregulatorybodies,customers,andpotentialcustomers,andtheiragents,suppliers,andlicensees,andotherswithalegitimateneedfortheinformation,andthenonlyinaccordancewithappropriateregulatoryprovisionsorproprietaryagreements.(8)Theinformationidentifiedinparagraph(2)isclassifiedasproprietarybecauseitcontainsdetailsofGNF-A'sfueldesignandlicensingmethodology.Thedevelopmentofthismethodology,alongwiththetesting,developmentandapprovalwasachievedatasignificantcosttoGNF-A.ThedevelopmentofthefueldesignandlicensingmethodologyalongwiththeinterpretationandapplicationoftheanalyticalresultsisderivedfromanextensiveexperiencedatabasethatconstitutesamajorGNF-Aasset.(9)PublicdisclosureoftheinformationsoughttobewithheldislikelytocausesubstantialharmtoGNF-A'scompetitivepositionandforecloseorreducetheavailabilityofprofit-makingopportunities.TheinformationispartofGNF-A'scomprehensiveBWRsafetyandtechnologybase,anditscommercialvalueextendsbeyondtheoriginaldevelopmentcost.ThevalueofthetechnologybasegoesbeyondtheextensivephysicaldatabaseandanalyticalmethodologyandincludesCFL-EXN-HE3-11-092AffidavitPage2of3 developmentoftheexpertisetodetermineandapplytheappropriateevaluationprocess.Inaddition,thetechnologybaseincludesthevaluefromprovidinganalysesdonewithNRC-approvedmethods.Theresearch,development,analytical,andNRCreviewcostscompriseasubstantialinvestmentoftimeandmoneybyGNF-A.Theprecisevalueoftheexpertisetodeviseanevaluationprocessandapplythecorrectanalyticalmethodologyisdifficulttoquantify,butitclearlyissubstantiaLGNF-A'scompetitiveadvantagewillbelostifitscompetitorsareabletousetheresultsoftheGNF-Aexperiencetonormalizeorverifytheirownprocessoriftheyareabletoclaimanequivalentunderstandingbydemonstratingthattheycanarriveatthesameorsimilarconclusions.ThevalueofthisinformationtoGNF-Awouldbelostiftheinformationweredisclosedtothepublic.Makingsuchinformationavailabletocompetitorswithouttheirhavingbeenrequiredtoundertakeasimilarexpenditureofresourceswouldunfairlyprovidecompetitorswithawindfall,anddepriveGNF-Aoftheopportunitytoexerciseitscompetitiveadvantagetoseekanadequatereturnonitslargeinvestmentindevelopingandobtainingtheseveryvaluableanalyticaltools.Ideclareunderpenaltyofperjurythattheforegoingaffidavitandthemattersstatedthereinaretrueandcorrecttothebestofmyknowledge,information,andbelief.Executedonthis12thdayofAugust2011.CFL-EXN-HE3-II-092AtulKarveEngineeringManager,MethodsGlobalNuclearFuelAmericas,LLCAffidavitPage3of3developmentoftheexpertisetodetermineandapplytheappropriateevaluationprocess.Inaddition,thetechnologybaseincludesthevaluefromprovidinganalysesdonewithNRC-approvedmethods.Theresearch,development,analytical,andNRCreviewcostscompriseasubstantialinvestmentoftimeandmoneybyGNF-A.Theprecisevalueoftheexpertisetodeviseanevaluationprocessandapplythecorrectanalyticalmethodologyisdifficulttoquantify,butitclearlyissubstantiaLGNF-A'scompetitiveadvantagewillbelostifitscompetitorsareabletousetheresultsoftheGNF-Aexperiencetonormalizeorverifytheirownprocessoriftheyareabletoclaimanequivalentunderstandingbydemonstratingthattheycanarriveatthesameorsimilarconclusions.ThevalueofthisinformationtoGNF-Awouldbelostiftheinformationweredisclosedtothepublic.Makingsuchinformationavailabletocompetitorswithouttheirhavingbeenrequiredtoundertakeasimilarexpenditureofresourceswouldunfairlyprovidecompetitorswithawindfall,anddepriveGNF-Aoftheopportunitytoexerciseitscompetitiveadvantagetoseekanadequatereturnonitslargeinvestmentindevelopingandobtainingtheseveryvaluableanalyticaltools.Ideclareunderpenaltyofperjurythattheforegoingaffidavitandthemattersstatedthereinaretrueandcorrecttothebestofmyknowledge,information,andbelief.Executedonthis12thdayofAugust2011.CFL-EXN-HE3-II-092AtulKarveEngineeringManager,MethodsGlobalNuclearFuelAmericas,LLCAffidavitPage3of3 }}