ML17261B148

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Lists Understanding of Issues Util Planning to Address Re Containment Integrity,Per 900718 Telcon.Any Concerns or Action Items Different from Listed Submittal Should Be Provided to Util Prior to NRC 900905 & 06 Visit to Plant
ML17261B148
Person / Time
Site: Ginna Constellation icon.png
Issue date: 08/28/1990
From: MECREDY R C
ROCHESTER GAS & ELECTRIC CORP.
To: JOHNSON A R
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM), Office of Nuclear Reactor Regulation
References
NUDOCS 9009100295
Download: ML17261B148 (4)


Text

ACCELERATEDDISRIBUTIONDEMONSTRATIONSYSTEMri~g~4REGULATORYINFORMATXONDISTRIBUTIONSYSTEM(RIDS)ACCESSIONNBR:9009100295DOC.DATE:90/08/28NOTARIZED:NOFACIL:50-244RobertEmmetGinnaNuclearPlant,Unit1,RochesterGAUTH.NAMEAUTHORAFFILIATIONMECREDY,R.C.RochesterGas&ElectricCorp.RECXP.NAMERECIPIENTAFFXLIATIONJOHNSON,A.R.ProjectDirectorateI-3DOCKET05000244R$05000244NOTES:LicenseExpdateinaccordancewith10CFR2,2.109(9/19/72).

SUBJECT:

ListsunderstandingofissuesutilplanningtoaddressreIcontainmentintegrity,per900718telcon.DISTRIBUTXONCODE:A001DCOPIESRECEIVED:LTRENCLSIZE:TITLE:ORSubmittal:GeneralDistributionRECIPIENTIDCODE/NAMEPD1-3LAJOHNSON,AINTERNAL:NRR/DET/ECMB9HNRR/DST8E2NRR/DST/SICB7ENUDOCS-ABSTRACTOGC/HDS2RES/DSXR/EIBEXTERNAL:NRCPDRCOPIESLTTRENCLRECIPXENTIDCODE/NAMEPD1-3PDNRR/DOEA/OTSB11NRR/DST/SELB8DNRR/DST/SRXB8EOC/LFMB.~~IaQEeenmee~0i~NSICCOPIESLTTRENCLDDa(>gg)q~)~~RD$NOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEiVASTE!CONTACTTHEDOCUMENTCONTROLDESK,ROOMPl-37(EXT.20079)TOELIMINATEYOURNAMEFROMDISTRIBUTIONLISTSFORDOCUMENTSYOUDON'TNEED!TOTALNUMBEROFCOPIESREQUIRED:LTTR17ENCLADD NII i4)~ZuZu//'I//I//////////I///II////I///I/////Z//ZSF/ROCHESTERGASANDELECTRICCORPORATIONHEWLiilOallaI'iTOE@STATE489EASTAVENUE,ROCHESTERN.Y.14649-0001ROBERTCMECREDYVicePtesldentClnnaNuclearPtoductionTELEPHONEAREACODE71B5462700August28,1990U.S.NuclearRegulatoryCommissionAttention:AllenR.JohnsonProjectDirectorateI-3DocumentControlDeskWashington,D.C.20555

Subject:

ContainmentIntegrityR.E.GinnaNuclearPowerPlantDocketNo.50-244

DearMr.Johnson:

InlettersdatedJuly11,1990andAugust15,1990,RG&EprovidedtotheNRCourproposedcourseofactionforresolutionofcontainmentissues.Basedonthiscorrespondence,andaJuly18,1990conferencecallbetweentheNRCandRG&E,thefollowingisatabulationofourunderstandingoftheissuesthatRG&EisplanningtoaddressrelativetotheintegrityoftheGinnaStationContainment.1.Takeexpeditiousstepstoremovethestandingwaterfromthecontainmentannularaccessarea,andmaintainitdry.2.Relativetothestructuraldetailbetweenthecylin-dricalwallofthecontainmentandthebasemat,verifywhenandifslidingwilloccurunderdesignloadcon-ditions.Alsoevaluatetheeffectsofnoslidingonwallstresses.3.Determinetheeffectsofthebellowsonthefunctionofthetendons.Considerthebellowsperformingornotperformingtheirdesignintent.4.Determinethecapabilityofthetensionrodstoperformtheirfunctions,andassessthemarginsassociatedwiththissystem.9009100295900S28PDRADOCK05000244PPDITe(P+)Pllf(pgl" 5.Performanassessmentofthefollowingboundarycondi-tionsontheoveralljointdesign.a.Slidingconditionwithhingeconnection.b.Non-slidingconditionwithhingeconnection.c.Partiallyfixedbaseforaandbabove.6.Investigateallaboveissues,consideringappropriateseismicandLOCAloadcombinations.7.ProvideacopyofGAIReportI2347"ContainmentBuildingTendonInvestigation",andtheresultsofthechemicalanalysisofthegroundwateratGinnatotheNRC.WeunderstandthattheNRCwillmakeasitevisittoGinnaStationonSeptember5and6,1990.AnyconcernsoractionitemsdifferentfromthoselistedaboveshouldbeprovidedtoRGGEpriortothattime.Verytrulyyours,LAS/155RobertC.Mecryxc:Mr.AllenR.Johnson(MailStop14D1)ProjectDirectorateI-3Washington,D.C.20555U.S.NuclearRegulatoryCommissionRegionI475AllendaleRoadKingofPrussia,PA19406GinnaSeniorResidentInspector