ML17055B045

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Forwards Rev 1 to High Energy Line Break Evaluation Rept (Effect on Nonsafety-Related Control Components). Rev Addresses Findings of Planned Walkdown & Closes SER Confirmatory Issue 27.Affidavit Also Encl
ML17055B045
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 01/02/1986
From: MANGAN C V
NIAGARA MOHAWK POWER CORP.
To: ADENSAM E G
Office of Nuclear Reactor Regulation
Shared Package
ML17055B046 List:
References
(NMP2L-0574), (NMP2L-574), NUDOCS 8601140096
Download: ML17055B045 (6)


Text

REGULATORY ORNa",TIONDISTRIBUTION SYN<RIDS)ACCESSION NBR:8601140096DOC.DATE:86/01/02NQTARIZED:YESDOCKET0FACI).:50-410NineNilePointNuclearStatidniUnit2INiagaraNoha05000410AUTH.NANEAUTHORAFFILIATIQNNANG4NIIC.V.NiagaraI"lohal2Jk PowerCorp.RECIP.MANERECIPIEM1'FFILIATIONADENSANIE.G.BWRProjectDirectorate 3s<e

SUBJECT:

ForuJards Revfto"HighEnergyLineBreakEvaluation Rept(EffectonNonsafetg-Related ControlConponents)."

Revaddresses findingsof.plannedwalkdown5closesSERconfirmatory Issue27.Affidavit alsoencl.DIsTRIBUTIDr1 cDDE:130010cDPIEEREGEIvED:

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IIhg,'...tI>V,'"3.GIh'">>I3>>',':lIDGL~TiILIT"~1II'I:JlIUI~IGC"T' VMIIAISAIR UMOoHANKNIAGARAMOHAWKPOWERCORPORATION/300 ERIEBOULEVARO WEST,SYRACUSE, N.Y.13202/TELEPHONE (315)474-1511January2,1986(NMP2L0574)Ms.ElinorG.Adensam,DirectorBWRProjectDirectorate No.3U.S.NuclearRegulatory Commission 7920NorfolkAvenueWashington, DC20555

DearNs.Adensam:

Re:NineNilePointUnit2DocketNo.50-410EnclosedaretencopiesoftheNMP2HighEnergyLineBreakEvaluation Report(EffectonNonsafety-Related ControlComponents),

Revision1,datedDecemberll,19S5.Thisrevisionsupercedes Revision0,datedOctober30,1985,submitted toDr.WalterButler,Chief,Licensing BranchNo.2,onNovember19,19S5.InmyletterofNovember19,1985accompanying thereport,itwasstatedthatahighenergylinebreakintheturbinebuildinghadbeenidentified thatcouldresultinafeedwater temperature reduction transient moreseverethanthatanalyzedinChapter15oftheFinalSafetyAnalysisReport.Theevaluation ofthateventhasbeencompleted and,asreportedonpage3-11ofRevision1,itshowsthattheeventisboundedbySection15.1.1oftheFSAR.Theplannedwalkdownmentioned inmyearlierletterhasbeencompleted andtheresultant findingshavebeenaddressed inthisrevision.

WebelievethisclosesSafety'Evaluation ReportConfirmatory IssueNo.27.Verytrulyyours,gbOii4009b abOi0410pDRADOCKO>OC.V.ManganSeniorVicePresident RAC/rla1161GEnclosurexc:R.A.Gramm,NRCResidentInspector ProjectFile(2)gaol h4~~PIIIeIIIj41~~~IIll'e~eI'h~,hIIIg.eIIhIIeei~eh'ekWh~~ehlIgf)I'Il!P)<hIIeeItal~~M~e UNITEDSTATESOFAMERICANUCLEARREGULATORY COMMISSION IntheMatterof))NiagaraMohawkPowerCorporation

))(NineMilePointUnit2)DocketNo.50-410AFFIDAYITC.V.Mangan,beingdulysworn,statesthatheisYicePresident oN>agaraoawowerorporation;thatheisauthorized onthepartofsaidCorporation tosignandfilewiththeNuclearRegulatory Commission thedocuments attachedhereto;andthat.allsuchdocuments aretrue'ndcorrecttothebestofhisknowledge, information andbelief.Subscribed andsworntobeforeme,aNotaryPublicinandfortheStateofNewYorkandCountyof,this2+dayof~1986.Notaryubsc>nandorCounty,NewYorkMyCommission expires:CHRISTINE AUSTINNotaryPublicintheStateofNewYorkualihedrnOnondagaCo.No.47B768g'*~sMarch30,1$a7 r1V~li'~'ia~i;ll'tf.'.i,';

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