ML17254A689

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Forwards R562-N4, Reinforced Masonry Wall Evaluation, Evaluation of Control Bldg Reinforced Walls, Documenting Results of Elastic & Inelastic Analyses for Selected Masonry Walls.Commitments Re IE Bulletin 80-11 Complete
ML17254A689
Person / Time
Site: Ginna Constellation icon.png
Issue date: 12/19/1985
From: KOBER R W
ROCHESTER GAS & ELECTRIC CORP.
To: LEAR G E
Office of Nuclear Reactor Regulation
Shared Package
ML17254A690 List:
References
RTR-NUREG-CR-1582, RTR-NUREG-CR-1821 IEB-80-11, NUDOCS 8512310135
Download: ML17254A689 (4)


Text

REQULATO'NFORMATIONDISTRIBUTIONBTEN'RIDB)ACCESSIONNBR:8512310135DOC.DATE:85/12/19NOTARIZED:NODOCKET¹FACIL:50-244RobertEmmetQinnaNuclearPlantiUnitiiRochester005000244AUTH.NANEAUTHORAFFILIATIONKOBER>R.M.'ochesterQas5ElectricCorp.RECIP.NANERECIPIENTAFFILIATIONLEARAQ.E.PWRProspectDirectorate'

SUBJECT:

ForwardsR562-N4i"ReinforcedNasonrgMallEvaluate:oneEvaluationofControlBldgReinforcedWalls'"documentingresultsoFelasticLLIinelasticanalyses%orselectedmasonrywalls.CommitmentsreIEBulletin80-11complete.DISTRIBUTIONCODE:AOOIDCOPIESRECEIVED:LTRQENCLLSIZE:TITLE:ORSubmittal:GeneralDistributionNOTES:NRRPWR-BIBAPD1cg.OL09/1~/6905000244RECIPIENTIDCODE/NANEPWR-APD1PD01090305NOTESINTERNAL:ACRSELD/HDB4NRRPWR-AEBNRR/DHFT/TSCBNRRA)SRO/RAB~REQ~E04EXTERNAL24XLPDRNBICCOPIESLTTRENCL556101111111111111RECIPIENTIDCODE/MANECLIFFORDiJADN/LFNBNRRBMREBNRRPMR-BEBNRR/DBRODIRNRR/GRASRQN1EQ8cQBRUBKEi8NRCPDR02.COPIESLTTRENCL11011111110111111/LingQ/gC'g5cckSWCCH'Icaha)CAce'AvmQ&LCSR.CQ.DES,')Q66CCe*~ggg445CC,EBA'eqS.A.)WON,Cea~+~0ya)35zTDTALNURSERGFcoPIEsREBUIRED:"LTTRBcZENOL 1445/4~J,hl'<<IIIhI",1II1Pf)ff.,4ff5ll)54H'IE45K'hg5,4eML".,h4H44<<<<f4jp<<1lr)>>>>~~~hhi~,'hrl>><<l)>>)45)1HRIh<<1Hrl~ff~.~l."ARK5,';<<.,5"J5v>>55'll'fIff<RhII5II~45~rl~MhhH'"4Lr45~4M*1~<<.'llh1~41~5f1tih<<ran>'~V.'1>>'Dif(tt>>,5]I,j4ff)PfI1"rp)'1','MI<<,5<<v~1"~""Ilh'f',dgrl>>4,M1fIfI<<1flf51,".4.('j'j'rg'5K"~'l<<4"H1,I1KD~5ffKC~A+~~EHv+1~~4PfKt<<rpR<<gE1'<<Irhrc"IrJ<~1cg5igt,MEaQli<<De"SCI5fh

'IIIIIIIIIIIIIIIIIIAAA~OAIAAuiu"'IIIIIIIIIII8K:::::ROCHESTERGASANDELECTRICCORPORATIONo89EASTAVENUE,ROCHESTER,N.K14649-0001ROGERW.KOBERVXEPRESIDENTElECTRIC&STCAMPROOVCTIONDecember19,1985TKLKPIIONKARK*COOK7I0546.2700DirectorofNuclearReactorRegulationAttention:t<r.GeorgeE.Lear,ChiefPWRProjectDirectorateNo.1U.S.NuclearRegulatoryCommissionWashington,D.C.20555

Subject:

SeismicmasonryWallAnalysesR.E.GinnaNuclearPowerPlantDocketNo.50-244iDD:PWR'A/BC's~fECHavrrvrrrAD-J.Knight(ltronly)EB(BALLARD)EICSB(ROSA)PSB(GAMMILL)RSB(BERLINGER)FOB(BENAROYA).

DearMr.Lear:

InRG8E'sletterofNovember6,1985regardingseismicanalysisofsafety-relatedreinforcedmasonryblockwallsinthecontrolbuilding,RG&EcommittedtoprovidethefinalanalyticalresultsforthesewallsbyDecember20,1985,EnclosedisComputechReportNo.R562-N4,whichdocumentstheresultsoftheelasticandinelasticanalysesforselectedmasonryblockwallsatGinnaStation.Theseresultsindicatethattherearesignificantmarginsofsafetyforallofthewalls,asdeterminedfromtheinelasticanalysesoftheselected"worst-case"walls.Themarginsofsafetyvaryfrombetween76%formasonrystrainratiosto600'Xforsteelstrainratios.Thus,itcanbeconcludedthatthereinforcedblockwallswillbeabletomaintain,theirsafetyconfigurationfollowinganSSE.TheseismicinputsusedintheseanalyseswerederivedfromtheNRC"SeniorSeismicReviewTeam"report,NUREG-CR/1821,asmodifiedtocorrespondtotheGinnasite-specificSSEgroundresponsespectrum,asdefinedinNUREG/CR-1582,"SeismicHazardAnalysis",anchoredat0.17g.Thisspectrumwasfoundacceptableforuseinassessingsafetymarginsforstructures,systemsandcomponentsatGinna,asdocumentedintheNRCSafetyEvaluationReportforSEPTopicIII-6,"SeismicDesignConsiderations",January29,1982.AreportdocumentingtheComputechcorrelationstudyforSanOnofreNuclearGeneratingStationUnitNo.1(SONGS-1)wallFB5,whichwasdiscussedwiththeNRCduringaDecember5,1985meeting,hasalsobeenprepared.PartsofthatreportareconsideredproprietarytoSouthernCaliforniaEdison.Thatreportwillbesubmittedassoonastheappropriateapplicationforwithholdingandaffidavitareprepared.ThesubmittalofthesereportswillconcludeallRG&EseismiccommitmentsresultingfromIEBulletin80-11,"MasonryWallDesign".Vrytrulyyours,8512310135851219PDR*DOGIE000002448PDR0~0/Ro+W.Kober I~ad