ML17059A519
| ML17059A519 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 11/04/1994 |
| From: | TERRY C D NIAGARA MOHAWK POWER CORP. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML17059A520 | List: |
| References | |
| GL-94-03, GL-94-3, NMP1L-0874, NMP1L-874, TAC-M90102, NUDOCS 9411160218 | |
| Download: ML17059A519 (4) | |
Text
'!~~Fa.rue.ZWViACCELERATEDRIDSPROCESSING~REGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)RECIPIENT"IDCODE/NAMEPM/BRINKMAN,D.INTERNA:-FIL~CENTER~01'RR/DE/EMEBNRR/DSSA/SRXBCOPIESLTTRENCL111111NRR/DE/EMCBNRR/DORS/OEAB111111ACCESSIONNBR:9411160218DOC.DATE:94/11/04NOTARIZED:NODOCKETFACIL:50-220NineMilePointNuclearStation,Un't1,NiagaraPowe05000220AUTH.NAMEAUTHOR:AFFILIATIONTERRY,C.D.NiagaraMohawkPowerCorp.RECIP.NAMERECIPIENTAFFILIATIONDocumentControlBranch(DocumentControlDesk)
SUBJECT:
Forwardsresponsetorequest.forsupplinforeGL94-03,"IntergranularStressCorrosionCrackingofCoreShroudsinBWRs."DISTRIBUTIONCODE:A018DCOPIESRECEIVEDLTRENCLSIZE:TITLE:GL94-03IntergranularStressCorrosionCrackingofCoreShroudsinBNOTES:lgRECIPIENTCOPIESIDCODE/NAMELTTRENCLEXTERNAL:NRCPDR11NOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEiVASTE!CONTACI'TIIEDOCUiIE4TCONTROLDESK,ROOMP!-37(EXT.504-2083)TOELIXIINATEYOURNAi!EFROTIDISTRIBUTIONLISTSFORDOCUMENTSYOUDON"I'LED!TOTALNUMBEROFCOPIESREQUIRED:LTTR7ENCL7
gMQogl+5fKNINEMILEPOINTNUCLEARSTATION/P.O.BOX63,LYCOMING,NEWYORK13093/TELEPMONE(315)343-2110November4,1994NMP1L0874U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,DC20555RE:NineMilePointUnit1DocketNo.50-220DPR-63
Subject:
ResponsetoRequestforSupplementalInformationRegardingGenericLetter94-03,"IntergranularStressCorrosionCrackingofCoreShroudsinBoilingWaterReactors"(TACNo.M90102)Gentlemen:ByletterdatedAugust23,1994(NMP1L0852),NiagaraMohawkprovidedaresponsetoGenericLetter94-03,"IntergranularStressCorrosionCrackingofCoreShroudsinBoilingWaterReactors,"forNineMilePointUnit1(NMP1).AdditionalinformationwasprovidedinNiagaraMohawk'sSeptember26,1994letter(NMP1L0863)inresponsetotheStaff'srequestforadditionalinformationofSeptember16,1994.AttheStaff'srequest,NiagaraMohawkmadeapresentationatNRRHeadquartersonOctober14,1994tofurtheraddresstheNMP1coreshroud,specificallywithregardtotheH8shroudweld.ByletterdatedOctober26,1994,theStaffrequestedthatNiagaraMohawksupplementitsresponsetoGenericLetter94-03basedontheresultsoftheOysterCreekcoreshroudinspection.TheenclosuretothisletterrespondstotheStaff'sOctober26,1994requestforsupplementalinformation.ThedetailedanalysesprovidedinthissupplementconfirmourGenericLetter94-03submittalconclusionthatcontinuedoperationofNMP1isjustifieduntilthescheduledFebruary1995refueloutage.Thisconclusionremainsbasedontheextremelylowprobabilitythatthecoreshroudwouldfailtomeetitsdesignbasisstructuralintegritymarginduringthistimeperiod,coupledwiththeextremelylowoverallprobabilisticriskestimate.Verytrulyyours,C.D.TerryVicePresident-NuclearEngineering9411160218941104PDRADOCK05000220PDR
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