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.ZWV iACCELERATED RIDSPROCESSING~
REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)RECIPIENT "IDCODE/NAME PM/BRINKMAN,D.
INTERNA:-FIL~CENTER~01'RR/DE/EME BNRR/DSSA/SRXB COPIESLTTRENCL111111NRR/DE/EMCB NRR/DORS/OEAB 111111ACCESSION NBR:9411160218 DOC.DATE:
94/11/04NOTARIZED:
NODOCKETFACIL:50-220 NineMilePointNuclearStation,Un't1,NiagaraPowe05000220AUTH.NAMEAUTHOR:AFFILIATION TERRY,C.D.
NiagaraMohawkPowerCorp.RECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk)
SUBJECT:
Forwardsresponsetorequest.forsupplinforeGL94-03,"Intergranular StressCorrosion CrackingofCoreShroudsinBWRs."DISTRIBUTION CODE:A018DCOPIESRECEIVEDLTRENCLSIZE:TITLE:GL94-03Intergranular StressCorrosion CrackingofCoreShroudsinBNOTES:lgRECIPIENT COPIESIDCODE/NAME LTTRENCLEXTERNAL:
NRCPDR11NOTETOALL"RIDS"RECIPIENTS:
PLEASEHELPUSTOREDUCEiVASTE!CONTACI'TIIE DOCUiIE4T CONTROLDESK,ROOMP!-37(EXT.504-2083)TOELIXIINATEYOURNAi!EFROTIDISTRIBUTION LISTSFORDOCUMENTS YOUDON"I'LED!
TOTALNUMBEROFCOPIESREQUIRED:
LTTR7ENCL7
gMQogl+5fK NINEMILEPOINTNUCLEARSTATION/P.O.
BOX63,LYCOMING, NEWYORK13093/TELEPMONE (315)343-2110November4,1994NMP1L0874U.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, DC20555RE:NineMilePointUnit1DocketNo.50-220DPR-63
Subject:
ResponsetoRequestforSupplemental Information Regarding GenericLetter94-03,"Intergranular StressCorrosion CrackingofCoreShroudsinBoilingWaterReactors" (TACNo.M90102)Gentlemen:
ByletterdatedAugust23,1994(NMP1L0852),NiagaraMohawkprovidedaresponsetoGenericLetter94-03,"Intergranular StressCorrosion CrackingofCoreShroudsinBoilingWaterReactors,"
forNineMilePointUnit1(NMP1).Additional information wasprovidedinNiagaraMohawk'sSeptember 26,1994letter(NMP1L0863)inresponsetotheStaff'srequestforadditional information ofSeptember 16,1994.AttheStaff'srequest,NiagaraMohawkmadeapresentation atNRRHeadquarters onOctober14,1994tofurtheraddresstheNMP1coreshroud,specifically withregardtotheH8shroudweld.ByletterdatedOctober26,1994,theStaffrequested thatNiagaraMohawksupplement itsresponsetoGenericLetter94-03basedontheresultsoftheOysterCreekcoreshroudinspection.
Theenclosure tothisletterrespondstotheStaff'sOctober26,1994requestforsupplemental information.
Thedetailedanalysesprovidedinthissupplement confirmourGenericLetter94-03submittal conclusion thatcontinued operation ofNMP1isjustified untilthescheduled February1995refueloutage.Thisconclusion remainsbasedontheextremely lowprobability thatthecoreshroudwouldfailtomeetitsdesignbasisstructural integrity marginduringthistimeperiod,coupledwiththeextremely lowoverallprobabilistic riskestimate.
Verytrulyyours,C.D.TerryVicePresident
-NuclearEngineering 9411160218 941104PDRADOCK05000220PDR
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