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

REGULATORYORNa",TIONDISTRIBUTIONSYN<RIDS)ACCESSIONNBR:8601140096DOC.DATE:86/01/02NQTARIZED:YESDOCKET0FACI).:50-410NineNilePointNuclearStatidniUnit2INiagaraNoha05000410AUTH.NANEAUTHORAFFILIATIQNNANG4NIIC.V.NiagaraI"lohal2JkPowerCorp.RECIP.MANERECIPIEM1'FFILIATIONADENSANIE.G.BWRProjectDirectorate3s<e

SUBJECT:

ForuJardsRevfto"HighEnergyLineBreakEvaluationRept(EffectonNonsafetg-RelatedControlConponents)."Revaddressesfindingsof.plannedwalkdown5closesSERconfirmatoryIssue27.Affidavitalsoencl.DIsTRIBUTIDr1cDDE:130010cDPIEEREGEIvED:LTRgEr<GLwEIIE:4+~OOTITLF:FileLocationDistribution:Docket50NOTES:RECIPIENTIDCODE/NAI1E01INTERNALREGFILEXTERNAL'4XNRCPDRCOPIESLTTRENCL11f111LPDR03RECIPIEN1IDCODE/NANECOPIESLTTRENCLp~c.QfSES.lfPILIq4TOTALNUNBEROFCOPIESREQUIRED:LTTRENCL I"II'93iYAIIOlhl4II>>h~'~lwt;3",IIIlhPi~IIhl'IV"'0~IIII,II4phh"IF>>IIII"iIr'>>'>>"3"I".Fhi,h,CQI,"~Wi,ir.hI.IIhg,'...tI>V,'"3.GIh'">>I3>>',':lIDGL~TiILIT"~1II'I:JlIUI~IGC"T' VMIIAISAIRUMOoHANKNIAGARAMOHAWKPOWERCORPORATION/300ERIEBOULEVAROWEST,SYRACUSE,N.Y.13202/TELEPHONE(315)474-1511January2,1986(NMP2L0574)Ms.ElinorG.Adensam,DirectorBWRProjectDirectorateNo.3U.S.NuclearRegulatoryCommission7920NorfolkAvenueWashington,DC20555

DearNs.Adensam:

Re:NineNilePointUnit2DocketNo.50-410EnclosedaretencopiesoftheNMP2HighEnergyLineBreakEvaluationReport(EffectonNonsafety-RelatedControlComponents),Revision1,datedDecemberll,19S5.ThisrevisionsupercedesRevision0,datedOctober30,1985,submittedtoDr.WalterButler,Chief,LicensingBranchNo.2,onNovember19,19S5.InmyletterofNovember19,1985accompanyingthereport,itwasstatedthatahighenergylinebreakintheturbinebuildinghadbeenidentifiedthatcouldresultinafeedwatertemperaturereductiontransientmoreseverethanthatanalyzedinChapter15oftheFinalSafetyAnalysisReport.Theevaluationofthateventhasbeencompletedand,asreportedonpage3-11ofRevision1,itshowsthattheeventisboundedbySection15.1.1oftheFSAR.Theplannedwalkdownmentionedinmyearlierletterhasbeencompletedandtheresultantfindingshavebeenaddressedinthisrevision.WebelievethisclosesSafety'EvaluationReportConfirmatoryIssueNo.27.Verytrulyyours,gbOii4009babOi0410pDRADOCKO>OC.V.ManganSeniorVicePresidentRAC/rla1161GEnclosurexc:R.A.Gramm,NRCResidentInspectorProjectFile(2)gaol h4~~PIIIeIIIj41~~~IIll'e~eI'h~,hIIIg.eIIhIIeei~eh'ekWh~~ehlIgf)I'Il!P)<hIIeeItal~~M~e UNITEDSTATESOFAMERICANUCLEARREGULATORYCOMMISSIONIntheMatterof))NiagaraMohawkPowerCorporation))(NineMilePointUnit2)DocketNo.50-410AFFIDAYITC.V.Mangan,beingdulysworn,statesthatheisYicePresidentoN>agaraoawowerorporation;thatheisauthorizedonthepartofsaidCorporationtosignandfilewiththeNuclearRegulatoryCommissionthedocumentsattachedhereto;andthat.allsuchdocumentsaretrue'ndcorrecttothebestofhisknowledge,informationandbelief.Subscribedandsworntobeforeme,aNotaryPublicinandfortheStateofNewYorkandCountyof,this2+dayof~1986.Notaryubsc>nandorCounty,NewYorkMyCommissionexpires:CHRISTINEAUSTINNotaryPublicintheStateofNewYorkualihedrnOnondagaCo.No.47B768g'*~sMarch30,1$a7 r1V~li'~'ia~i;ll'tf.'.i,';~CSc