ML17292B533

Part 21 Rept Re XL-S96 CPR Correlation for SVEA-96 Fuel. Defect Applies Only to WNP-2,during Cycles 12,13 & 14 Operation.Evaluations of Defect Performed by ABB-CE

ML17292B533
Person / Time
Site:	Columbia
Issue date:	01/15/1999
From:	RICKARD I C ABB COMBUSTION ENGINEERING NUCLEAR FUEL (FORMERLY, ASEA BROWN BOVERI, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
REF-PT21-99 LD-99-003, LD-99-3, NUDOCS 9901220118
Download: ML17292B533 (10)

Text

{{#Wiki_filter:CATEGORY1RlREGULAINFORMATION DISTRIBUTIO YSTEM(RIDS),'PA'CCESSIOA &BR:9901220118 DOC.DATE: 99/Ol/15NOTARIZED: NODOCKETFACIL:50-397 WPPSSNuclearProject,Unit2,Washington PublicPowe05000397AUTH.NAME~AUTHORAFFILIATION RICKARD,I.C. ABBCombustion Engineering NuclearFuel(formerly Combustio RICKARD,I.C.ABBAtom,Inc.(formerly ASEAAtom,Inc.)RECIP.NAME RECIPIENT AFFILIATION RecordsManagement Branch(Document ControlDesk)

SUBJECT:

Part21reptreXL-S96CPRcorrelation forSVEA-96fuel.DefectappliesonlytoWNP-2,during Cycles12,13&14operation. Evaluations ofdefectperformed byABB-CE.DISTRIBUTION CODE:IEISTCOPIESRECEIVED: LTRIENCL)SIZE:TITLE:Part21Rept(50DKT)NOTES:RECIPIENT IDCODE/NAME PD4-2PDINTERNAFILS0NRRDRPM/PECB/B RES/DET/EIB RGN2RGN4COPIESLTTRENCL111111111111RECIPIENT IDCODE/NAME POSLUSNY,C NRR/DRPM/PECB PDRWARD,M.RGNlRGN3COPIESLTTRENCL111111111EXTERNAL: INPORECORDCTRNRCPDR1111NOACSILVER,ENUDOCSFULLTXT111-.1D.uNOTETOALL"RIDS"RECIPIENTS: PLEASEHELPUSTOREDUCEWASTETHTOHAVEYOURNAMEORORGANIZATION REMOVEDFROMDZSTRIBUTZON LISTSORREDUCETHENUMBEROFCOPZESRECEIVEDBYYOUORYOURORGANIZATIONgCONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION 415-2083FULLTEXTCONVERSION REQUIREDTOTALNUMBEROFCOPIESREQUIRED: LTTR15ENCL15 'kILqW'J~p(mp.aAPEpQRq'4~Cj'le8c'"'s~ti".y~~.PC.& January15,1999LD-99-003 U.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, D.C.20555Subject'. ReportofaOefectPursuantto10CFR21Concerning theXL96CPRCorrelation forSVEA-96FuelThepurposeofthisletteristonotifytheNuclearRegulatory Commission ofadefectasdefinedin10CFR21,"Reporting ofDefectsandNoncompliance." ThedefectconcernstheXL-S96CriticalPowerRatio(CPR)correlation forABBSYEA-96fuelassemblies forBoilingWaterReactors(BWRs).Specifically, thedefectconcernstheXL-SS6CPRcorrelation, whichisbasedsolelyonacosineaxialpovrershape.Thedefectcouldlead~tonon-conservative Operating LimitMCPRsandmonitored CPRsfortop-peaked axialpowershapes.TheEnclosure summarizes theevaluation performed byABBCombustion Engineering (ABB-CE). Ifyouhaveanyquestions, pleasefeelfreetocontactmeorMr.YirgilPaggenofmystaffat(860)285<700.Verytrulyyours,COMBUSTION ENGINEERING, INC.lanC.Rickard,DirectorNuclearLicensing

Enclosure:

Asstatedcc:M.A.Bamoski(ABB-CE)ABBCombustion Engineering NuclearPowerCambveeen Rn{{{eeerin{t. tee.P.O,Bex500Tetephono {{{80)66319tt2000DayHttRd.Fax{060)285-5203Windsor,CTOt0954500 'ti'ti0%220118 'ti90i%5PDRADOCK05000397PDR ABBCombustion Engineering NuclearPower10CFR21ReortofaDefectorFailuretoCornIThefollowing information isprovidedpursuanttotherequirements steforthin10CFR21.21(c)(4): (i)Nameandaddressoftheindividualsinfoiming theCommission: lanC.Rickard,DirectorNuclearLicensing Combustion Engineering, inc.2000DayHiHRoadVfindsor, CT06095-0500 (ii)Identification ofthefacility, theactivity, orthebasiccomponent suppliedforsuchfacilityorsuchactivitywithintheUnitedSlateswhichfailstocomplyorcontainsadefect:TheactivityforwhichthisreportisbeingfiledistheuseoftheXL-S96CPRcorrelation indetermining SafetyandOperating LimitMCPRsandinmonitoring ofCPRsinSVEA-96BoilingWaterReactor(BNIR)fuefassemblies, ThisdefectappliesonlytotheWashington PublicPowerSupplySystemNuclearProjectUnit2nuclearpowerplantduringCycles12,13,and14operation. (iii)Identification ofthefirmconstructing thefacilityorsupplying thebasiccomponent whichfailstocomplyorcontainsadefect:Combustion Engineering, Inc.'2000DayHHiRoadWindsor,CT06095-0500 (iv)Natureofthedefectorfailuretocomplyandthesafetyhaardwhichiscreatedorcouldbecreatedbysuchdefectorfailuretocomply:Thedefectfdentffied isassociated withtheuseoftheXL-S96CPRcorrelation indetermining SafetyandOperating LimitMCPRsandinmonitoring ofCPRsinSVEA-96BWRfuelassemblies. Fortop-peaked axialpowershapes,theuseofthisCPR.correlation couldyieldnon-conservative Operating LimitMCPRsornon-conservative-monitored CPRvalues.(v)Thedateonwhichtheinformation ofsuchdefectorfailuretocomplywasobtained: ABB-CEdetermined thatadefectintheCPRcorrelation existedonJanuary15,1999. ~I~N'VPage20f2WE(vi)Inthecaseofabasiccomponent whichcontainsadefectorfailstocomply,thenumberandlocationofallsuchcomponents inuseat,suppliedfor,orbeingsuppliedforoneormorefacilities oractivities subjecttotheregulations lnthispart:ThedefectappliesonlytoBWRreloadfuelassemblies currently inoperation atWNP-2.(vii)Thecorrective actionwhichhasbeen,isbeing,orwillbetaken;thenameofthetnd)vidual ororganitation responsible fortheaction;andthelengthoftimethathasbeenorwillbetakentocompletetheaction:Evaluations ofthedefecthavebeenperformed byABB-CE,lthasbeendetermined theuseofthecorrelation indetermining SafetyandOperating LimitMCPRsforCycles12,13,and14isacceptable. Furthermore, theuseofthecorrelation inmonitoring CPRinCycles12and13hasbeenadequate. ForCycle14,theuseofthecorrelation for'onitoring CPRinthecoreisacceptable priorto5,600MWd/MtU.From5,600MWd/MtUtotheendofCycle14theuseofthecorrelation formonitoring CPRinthecoremaybecomenon-conservative. Theutilitycurrently projectsthatWNP-2willreach5,600MWd/MTUinFebruary1999,ABB-GEhasprovidedtheWashington PublicPower~SupplySystemwithrecommended corrective actionstoensurethatsufficient marginformonitoring thecoreCPRismaintained. fviii)Anyadvicerelatedtothedefectorfailuretocomplyaboutthefacility,

activity, orbasiccomponent thathasbeen,isbeing,orwillbegiventopurchasers orlicensees:

TheNfashingtan PublicPowerSupplySystemhasbeennotifiedofthedefectandhasbeenprovidedwithnecessary information andrecommendations, TOTALP.84

0 January15,1999LD-99-003 U.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, D.C.20555

Subject:

ReportofaDefectPursuantto10CFR21Concerning theXL-S96CPRCorrelation forSVEA-96FuelThepurposeofthisletteristonotifytheNuclearRegulatory Commission ofadefectasdefinedin10CFR21,"Reporting ofDefectsandNoncompliance." ThedefectconcernstheXL-S96CriticalPowerRatio(CPR)correlation forABBSVEA-96fuelassemblies forBoilingWaterReactors(BWRs).Specifically, thedefectconcernstheXL-S96CPRcorrelation, whichisbasedsolelyonacosineaxialpowershape.Thedefectcouldleadtonon-conservative Operating LimitMCPRsandmonitored CPRsfortop-peaked axialpowershapes. TheEnclosure summarizes theevaluation performed byABBCombustion Engineering (ABB-CE). Ifyouhaveanyquestions, pleasefeelfreetocontactmeorMr.VirgilPaggenofmystaffat(860)285-4700. Verytrulyyours,COMBUSTION ENGINEERING, INC.lanC.Rickard,DirectorNuclearLicensing

Enclosure:

Asstatedcc:M.A.Barnoski(ABB-CE)gQQQOPiJABBCombustion Engineering NuclearPowerCombustion Engineering, Inc.P.O.Box5002000DayHillRd.Windsor,CT06095-0500 Telephone (860)688-1911Fax(860)285.5203 0tEnclosure toLD-99-003 Page1of2ABBCombustion Engineering NuclearPower10CFR21ReortofaDefectorFailuretoComIThefollowing information isprovidedpursuanttotherequirements setforthin10CFR21.21(c)(4): (i)Nameandaddressoftikeindividualsinforming tikeCommission: lanC.Rickard,DirectorNuclearLicensing Combustion Engineering, Inc.2000DayHillRoadWindsor,CT06095-0500 (ii)Identification oftikefacility, theactivity, orthebasiccomponent suppliedforsuchfacilityorsuchactivitywitlkintikeUnitedStateswlkiclkfailstocomplyorcontainsadefect:TheactivityforwhichthisreportisbeingfiledistheuseoftheXL-S96CPRcorrelation indetermining SafetyandOperating LimitMCPRsandinmonitoring ofCPRsinSVEA-96BoilingWaterReactor(BWR)fuelassemblies. ThisdefectappliesonlytotheWashington PublicPowerSupplySystemNuclearProjectUnit2nuclearpowerplantduringCycles12,13,and14operation. (iii)Identification oftikefirmconstructing thefacilityorsupplying thebasiccomponent whichfailstocomplyorcontainsadefect:Combustion Engineering, Inc.2000DayHillRoadWindsor,CT06095-0500 (iv)Natureofthedefectorfailuretocomplyandthesafety/kazardwhicliiscreatedorcouldbecreatedbysuclkdefectorfailuretocomply:Thedefectidentified isassociated withtheuseoftheXL-S96CPRcorrelation indetermining SafetyandOperating LimitMCPRsandinmonitoring ofCPRsinSVEA-96BWRfuelassemblies. Fortop-peaked axialpowershapes,theuseofthisCPRcorrelation couldyieldnon-conservative Operating LimitMCPRsornon-conservative monitored CPRvalues.(v)Thedateonwhichtheinformation ofsuchdefectorfailuretocomplywasobtained: ABB-CEdetermined thatadefectintheCPRcorrelation existedonJanuary15,1999. Enclosure toLD-99-003 Page2of2(vi)Inthecaseofabasiccomponent whic/tcontainsadefectorfailstocomply,thenumberandlocationofallsuchcomponents inuseat,suppliedfor,orbeingsuppliedforoneormorefacilities oractivitiessubjecttotheregulations inthispart:ThedefectappliesonlytoBWRreloadfuelassemblies currently inoperation atWNP-2.(vii)T/tecorrective actionwhichhasbeen,isbeing,orwillbetaken;thenameoftheindividual ororganization responsible fortheaction;andthelengthoftimethathasbeenorwillbetakentocompletetheaction:Evaluations ofthedefecthavebeenperformed byABB-CE.Ithasbeendetermined theuseofthecorrelation indetermining SafetyandOperating LimitMCPRsforCycles12,13,and14isacceptable. Furthermore, theuseofthecorrelation inmonitoring CPRinCycles12and13hasbeenadequate. ForCycle14,theuseofthecorrelation formonitoring CPRinthecoreisacceptable priorto5,600MWd/MtU.From5,600MWd/MtUtotheendofCycle14theuseofthecorrelation formonitoring CPRinthecoremaybecomenon-conservative. Theutilitycurrently projectsthatWNP-2willreach5,600MWd/MTUinFebruary1999.ABB-CEhasprovidedtheWashington PublicPowerSupplySystemwithrecommended corrective actionstoensurethatsufficient marginformonitoring thecoreCPRismaintained. (viii)Anyadvicerelatedtothedefectorfailuretocomplyaboutthefacility,

activity, orbasic"component thathasbeen,isbeing,orwillbegiventopurcltasers orlicensees:

TheWashington PublicPowerSupplySystemhasbeennotifiedofthedefectandhasbeenprovidedwithnecessary information andrecommendations.}}