ML17037B664

Nine Mile Point Unit 1 - Letter Regarding a Correction to the Heading for Question 3, Table C in Plant Unique Analysis Report for Torus Support System and Attached Piping for Nine Mile Point Nuclear Station.

ML17037B664
Person / Time
Site:	Nine Mile Point
Issue date:	12/01/1976
From:	Schneider R R Niagara Mohawk Power Corp
To:	Lear G Office of Nuclear Reactor Regulation
References
Download: ML17037B664 (6)

Text

NRCFoRM195USNUCLEARREGULATORY COIiSIONI,.6)..AAAIRCDISTRIBUTION FonPART50DOCKETMATERIALDOCKETNUMBER50>>220FILENUMBERTO:Mr.GeorgeLearFROM:NiagaraMohawkPowerCorp.Syracuse, NewYorkR.R.Schneider DATEOFDOCUMENT12/1/76DATERECEIVED12876@LETTERQORIGINAIOCOPVDESCRIPTION QNOTORI2ED IRfUNCLASSIFIEDPROPINPUTFORMENCI.OSURE NUMBEROFCOPIESRECEIVEDOnesignedLtr.w/attached....re theirll/3/76ltr....concerning "PlantUniqueAnalysisReportforTorus~Support SystemandAttachedPipingforNineMilePointNuclearStation.ACED@EDGED(2-P)PLANTNAME:NineHilePointUnitNo.1SAFETYASSXGNEDAD!H&iXL~CASSTLearNowickiParrishFORACTION/INFORMATION PROJECTMANAGERLICASST1296RJLINTERNALDISTRIBUTIONNRCPDRX&EOELDGOSSICK&STAFFMIPCCASEHANAUER~HARLESSPROJECTMANAGEMENT BOYDPECOLLINSHOUSTONPETERSONMELTZHELTEMESSKOVHOLTLPDR~OsweoN.Y.TIC!NSIC!hSLB!SYSTEMSSAFETYHEINEMANSCHROEDER ENGINEERING HACARRYKNIGHTSIHWEILPAICKREACTORSAFEROSSNOVAKROSZTOCZY C11ECKAT&ISALTZMANRUTBERGEXTERNALDISTRIBUTION NATLASREGVIELAPDRCONSULTANTS:

PLANTSYSTEMSTEDES00AIPPOLTOOPERATING REACTORSSTELLOOPERATING TECHEISENHUTBUTLE.SB0ULRKSONORSTESAE0ERNSTBALLARDSPANGLERSXTETECHGAMHILLSTEPPHULMANSITEANALYSISVOLLMERBUNCHJ~COLLINSKREGERCONTROLNUMBER/AgD~ACRSCYS~e&9%86/ETNRCFORM196(2.76)

QZGGH>'~~',V(i".fN)5:

.".V.'OMTF.

"'<<".K('j gg CNIAGARMOHAWKPOWERCORPORATION ee'0S'0$jg6/NIAGARA~MOHAWK300ERIE80UI.EVARO WESTSYRACUSE, N.Y.I3202December1,1976GpDirectorofNuclearReactorRegulation Attn:Mr.GeorgeLear,ChiefOperating ReactorsBranch¹3U.S.NuclearRegulatory Commission Washington, D.C.20555Re:NineMilePointUnit1DocketNo.50-220DPR-63

DearMr.Lear:

MyletterofNovember3,1976transmittedadditional information regarding the"PlantUniqueAnalysisReportforTorusSupportSystemandAttachedPipingforNineMilePointNuclearStation."

TheheadingforQuestion3,TableC,shouldbecorrected toreadasfollows:"...BP=1.5psi..."Attachedis'arevisedTableC.Verytrulyyours,NIAGARAMOHAWKPOWERCORPORATION R.R.SCHNEIDER VicePresident-Electric Production MGM/szAttachment L

TABLECSUtltlARY OFMALYSISRESULTSBASECASELOADhP=~l~n')t<AXIHUtl DOWNLOADSFor4'-6"SubmerenceComponent Evaluation 4JcUCR0c(O~a5CLClE/l'~Load/Stress StrengthRatioCa1cul.atedAl1ow,.CapacityAct.RingGirderStress,psitteoIbrane

+Bending'hearTorusShel.lStress,psitlembrane

+BendingShearXX34,8009,17021,700,15,60081,60040,80064,00040,800,43.23.33.38,50.50.50.50Column-Torus MeldJoint,InnerColumn.WebWeld(kips)FlangeMeld(in.-kips)

OuterColumn'lfebMeld(kips)FlangeMeld'(in.-kips)

ColumnBucklingInnerColumnFquation19.Equation20OuterColumnXH/A65;5158.7N/AH/Az,NI:8700.0.87H/A.40t(/A~t(/A678.0.752,213.0.057OO.O,:101.0~1.01.01.01.01.00.5N/AEquatidn19Equation20X/AH/Ai'(/AH/At(/A.38N/A0.5N/AColumnBaseJointInnerColumnDownLoad(k1ps)UpLoad(kips)OuterColumnDownLoad(kips)UpLoad'(kips)508.2124.7*595,1111-3*1602.0.3146145.271602.0-.37.461.45.24.50.50.50.50*Conservatively computedbymultiplying valuesinoriginalPlantUniqueAna1ysisTabIe9byHap,01d 40~~aK.~