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{{#Wiki_filter:gj1REGULATORY'RMA'TIONDISTRIBUTIONSYSl('RIDS)AOCESSIONNBR:8202240083-DOC~DATE:82/02/18NOTARIZED:,NODOCKET¹FACIL:50-'244RobertEmmetGinnaNuclearPlantr'Uniitii.'RochesterG05000244'AUTH.NAl1EAUTHORAFFILIATIONMAIERgJ~E~'Rochester'Gas8>Electric'Corp'ECIP~NAMERECIPIENTAFFILIATIONCRUTCHFIELDgD,OperatingReactorsBranch5
{{#Wiki_filter:gj1REGULATORY
'RMA'TIONDISTRIBUTION SYSl('RIDS)AOCESSION NBR:8202240083
-DOC~DATE:82/02/18NOTARIZED:,
NODOCKET¹FACIL:50-'244 RobertEmmetGinnaNuclearPlantr'Uniitii.'Rochester G05000244'AUTH.NAl1EAUTHORAFFILIATION MAIERgJ~E~'Rochester
'Gas8>Electric
'Corp'ECIP~NAMERECIPIENT AFFILIATION CRUTCHFIELDg D,Operating ReactorsBranch5


==SUBJECT:==
==SUBJECT:==
Informs)thatscheduleforperforming,analysesofcodechanges>thatcouldhave>decreasedmarginsof>safetywill'besubmittedby820531iperNRC811230ltrforwordingdraftSER.Containmentvesselevaluationencl'ISTRIBUTIONCODE:A035SCOPIESIRECEIVED:LTR,ENCL,'SIZE:,~'TITLE:SEPTopicsNOTES:1copy:SEPSect.Ldr~05000244RECIPIENTIDCODE/NAM>EACTION:ORB&#xb9;5BC01INTERNAL:IE06NRR/DE/HGEB10NRR/DL/SE'PB12NRR/DSI/CSB07>COPIESLTTRENCL7%72'22"2331"1'RECIPIENTIDCODE/NAMENRR/DE/ADMQE13NRR/DL/DRAB11NGI'04>COPIESLTTRENCL111-11111,EXTERNAL:ACRS14NRCPDR0210101,1LPDRNTIS03v5TOTAL-NUMBEROFCOPIESREQUIRED:L~TTR~ENCL 4,t'l'1I>><rMp'leee==a6 1iiEIIIIIIII/El/IIIIIIArrD/IIIIIIIIIII/II//I/IIIIIIII/ROCHESTERGASANDELECTRICCORPORATION~89EASTAVENUE,ROCHESTER,N.Y.14649JOHNE.MAIERVicePresidentTKI,KPHONKARKAcooKTie546.2700February18,1982DirectorofNuclearReactorRegulationAttention:Mr.DennisM.Crutchfield,ChiefOperatingReactorsBranchNo.5U.S.NuclearRegulatoryCommissionWashington,D.C.20555
Informs)thatscheduleforperforming, analysesofcodechanges>thatcouldhave>decreased marginsof>safetywill'besubmitted by820531iper NRC811230ltrforwording draftSER.Containment vesselevaluation encl'ISTRIBUTION CODE:A035SCOPIESIRECEIVED:LTR, ENCL,'SIZE:,~'TITLE:SEPTopicsNOTES:1copy:SEPSect.Ldr~05000244RECIPIENT IDCODE/NAM>E ACTION:ORB&#xb9;5BC01INTERNAL:
IE06NRR/DE/HGEB 10NRR/DL/SE'PB 12NRR/DSI/CSB 07>COPIESLTTRENCL7%72'22"2331"1'RECIPIENTIDCODE/NAME NRR/DE/ADMQE 13NRR/DL/DRAB 11NGI'04>COPIESLTTRENCL111-11111,EXTERNAL:
ACRS14NRCPDR0210101,1LPDRNTIS03v5TOTAL-NUMBEROFCOPIESREQUIRED:
L~TTR~ENCL 4,t'l'1I>><rMp'leee==a6 1iiEIIIIIIII/
El/IIIIII ArrD/IIIIIIIIIII/I I//I/IIIIIIII/
ROCHESTER GASANDELECTRICCORPORATION
~89EASTAVENUE,ROCHESTER, N.Y.14649JOHNE.MAIERVicePresident TKI,KPHONK ARKAcooKTie546.2700February18,1982DirectorofNuclearReactorRegulation Attention:
Mr.DennisM.Crutchfield, ChiefOperating ReactorsBranchNo.5U.S.NuclearRegulatory Commission Washington, D.C.20555


==Subject:==
==Subject:==
SEPTopicIII-7.B,"DesignCodes,DesignandLoadingCombinations"R.E.GinnaNuclearPowerPlantDocketNo.50-244I
SEPTopicIII-7.B,"DesignCodes,DesignandLoadingCombinations" R.E.GinnaNuclearPowerPlantDocketNo.50-244I


==DearMr.Crutchfield:==
==DearMr.Crutchfield:==
ThisletterisinresponsetoyourletterofDecember30,1981,transmittingthedraftSafetyEvaluationReportforthistopic,aswellastwocontractorreportswhichformedthebasesfortheSER.Thefirstcontractorreport,FranklinResearchCenterdraftTechnicalEvaluationReportTER-C5257-322,"DesignCodes,DesignCriteria,andLoadingCombinations,"identifiescodechangesthathaveoccurredthat.couldhavedecreasedmarginsofsafety.RG&Ewasrequestedtoassessthesafetymarginswheresuchcodechangeshavebeenidentified.Thisisasubstantialtask,requiringthereview,comparison,andanalysisofmajorsectionsoftheASME,AISC,andACICodes.Wehavenotyetbeenabletoassessthefullscopeofeffortneededtoperformthisevaluation.ItisexpectedthatascheduleforperformingthenecessaryanalyseswillbesubmittedtotheNRCbytheendofMay,1982.Thesecondcontractorreport,StructuralMechanicsAssociatesReportSMA12205.27R,"CombinedLoadsEvaluation,"datedDecember1981,addressesapotentialcontainmentlinerplateintegrityproblem.TheenclosedGilbert/Commonwealthreport,"ContainmentVesselEvaluation,"respondstotheSMAreport.TheconclusionoftheG/Creportisthat.thestructuralintegrityofthestudsandlinerwouldbemaintained..(,.('82022400838202i8PDRADOCK05000244I:'I',P,,:,,;..',,;.PDR;.
 
Ifl'IIyslb ROCHESTERGASANDELECTRICCORP.oATEFebruary18,1982Mr.DennisM.CrutchfieldSHEETNO.ItshouldbenotedthatthespecificG/Canalysiswasper-formedforapost-accident.pressure-temperatureprofilewhichwascalculatedbyG/C(seeFigure3ofthereport).ThiscorrespondsfairlycloselytotheGinnaFSARcurvesandtheAugust1981SMApreliminarydraftreport.(AFebruary1,1982RG&EletterrelativetoSEPTopicsVI-2.DandVI-3notesthatthesteamlinebreakconditionsusedasthebasis,fortheDecember1981SMAreportareexcessivelyconservativetouseasadesignbasis).Further,theG/CreportprimarilyevalutesthisAugust1981SMAreport,ratherthantheDecember1981report.However,theconclusionoftheG/Creport,providedinSectionsVandVI,isthatthecontainmentlinerandstudintegritywouldbemaintained,evenusingtheseoverly-conservativeNRCsteambreakconditions.Verytrulyyours,Jon.Maier 1t}}
ThisletterisinresponsetoyourletterofDecember30,1981,transmitting thedraftSafetyEvaluation Reportforthistopic,aswellastwocontractor reportswhichformedthebasesfortheSER.Thefirstcontractor report,FranklinResearchCenterdraftTechnical Evaluation ReportTER-C5257-322, "DesignCodes,DesignCriteria, andLoadingCombinations,"
identifies codechangesthathaveoccurredthat.couldhavedecreased marginsofsafety.RG&Ewasrequested toassessthesafetymarginswheresuchcodechangeshavebeenidentified.
Thisisasubstantial task,requiring thereview,comparison, andanalysisofmajorsectionsoftheASME,AISC,andACICodes.Wehavenotyetbeenabletoassessthefullscopeofeffortneededtoperformthisevaluation.
Itisexpectedthatascheduleforperforming thenecessary analyseswillbesubmitted totheNRCbytheendofMay,1982.Thesecondcontractor report,Structural Mechanics Associates ReportSMA12205.27R, "Combined LoadsEvaluation,"
datedDecember1981,addresses apotential containment linerplateintegrity problem.TheenclosedGilbert/Commonwealth report,"Containment VesselEvaluation,"
respondstotheSMAreport.Theconclusion oftheG/Creportisthat.thestructural integrity ofthestudsandlinerwouldbemaintained.
.(,.('8202240083 8202i8PDRADOCK05000244I:'I',P,,:,,;..',,;.PDR;.
Ifl'IIyslb ROCHESTER GASANDELECTRICCORP.oATEFebruary18,1982Mr.DennisM.Crutchfield SHEETNO.ItshouldbenotedthatthespecificG/Canalysiswasper-formedforapost-accident.
pressure-temperature profilewhichwascalculated byG/C(seeFigure3ofthereport).Thiscorresponds fairlycloselytotheGinnaFSARcurvesandtheAugust1981SMApreliminary draftreport.(AFebruary1,1982RG&EletterrelativetoSEPTopicsVI-2.DandVI-3notesthatthesteamlinebreakconditions usedasthebasis,fortheDecember1981SMAreportareexcessively conservative touseasadesignbasis).Further,theG/Creportprimarily evalutesthisAugust1981SMAreport,ratherthantheDecember1981report.However,theconclusion oftheG/Creport,providedinSectionsVandVI,isthatthecontainment linerandstudintegrity wouldbemaintained, evenusingtheseoverly-conservative NRCsteambreakconditions.
Verytrulyyours,Jon.Maier 1t}}

Revision as of 12:39, 29 June 2018

Informs That Schedule for Performing Analyses of Code Changes That Could Have Decreased Margins of Safety Will Be Submitted by 820531,per NRC 811230 Ltr Forwarding Draft Ser. Containment Vessel Evaluation Encl
ML17258A560
Person / Time
Site: Ginna Constellation icon.png
Issue date: 02/18/1982
From: MAIER J E
ROCHESTER GAS & ELECTRIC CORP.
To: CRUTCHFIELD D
Office of Nuclear Reactor Regulation
Shared Package
ML17258A561 List:
References
TASK-03-07.B, TASK-3-7.B, TASK-RR NUDOCS 8202240083
Download: ML17258A560 (6)


Text

gj1REGULATORY

'RMA'TIONDISTRIBUTION SYSl('RIDS)AOCESSION NBR:8202240083

-DOC~DATE:82/02/18NOTARIZED:,

NODOCKET¹FACIL:50-'244 RobertEmmetGinnaNuclearPlantr'Uniitii.'Rochester G05000244'AUTH.NAl1EAUTHORAFFILIATION MAIERgJ~E~'Rochester

'Gas8>Electric

'Corp'ECIP~NAMERECIPIENT AFFILIATION CRUTCHFIELDg D,Operating ReactorsBranch5

SUBJECT:

Informs)thatscheduleforperforming, analysesofcodechanges>thatcouldhave>decreased marginsof>safetywill'besubmitted by820531iper NRC811230ltrforwording draftSER.Containment vesselevaluation encl'ISTRIBUTION CODE:A035SCOPIESIRECEIVED:LTR, ENCL,'SIZE:,~'TITLE:SEPTopicsNOTES:1copy:SEPSect.Ldr~05000244RECIPIENT IDCODE/NAM>E ACTION:ORB¹5BC01INTERNAL:

IE06NRR/DE/HGEB 10NRR/DL/SE'PB 12NRR/DSI/CSB 07>COPIESLTTRENCL7%72'22"2331"1'RECIPIENTIDCODE/NAME NRR/DE/ADMQE 13NRR/DL/DRAB 11NGI'04>COPIESLTTRENCL111-11111,EXTERNAL:

ACRS14NRCPDR0210101,1LPDRNTIS03v5TOTAL-NUMBEROFCOPIESREQUIRED:

L~TTR~ENCL 4,t'l'1I>><rMp'leee==a6 1iiEIIIIIIII/

El/IIIIII ArrD/IIIIIIIIIII/I I//I/IIIIIIII/

ROCHESTER GASANDELECTRICCORPORATION

~89EASTAVENUE,ROCHESTER, N.Y.14649JOHNE.MAIERVicePresident TKI,KPHONK ARKAcooKTie546.2700February18,1982DirectorofNuclearReactorRegulation Attention:

Mr.DennisM.Crutchfield, ChiefOperating ReactorsBranchNo.5U.S.NuclearRegulatory Commission Washington, D.C.20555

Subject:

SEPTopicIII-7.B,"DesignCodes,DesignandLoadingCombinations" R.E.GinnaNuclearPowerPlantDocketNo.50-244I

DearMr.Crutchfield:

ThisletterisinresponsetoyourletterofDecember30,1981,transmitting thedraftSafetyEvaluation Reportforthistopic,aswellastwocontractor reportswhichformedthebasesfortheSER.Thefirstcontractor report,FranklinResearchCenterdraftTechnical Evaluation ReportTER-C5257-322, "DesignCodes,DesignCriteria, andLoadingCombinations,"

identifies codechangesthathaveoccurredthat.couldhavedecreased marginsofsafety.RG&Ewasrequested toassessthesafetymarginswheresuchcodechangeshavebeenidentified.

Thisisasubstantial task,requiring thereview,comparison, andanalysisofmajorsectionsoftheASME,AISC,andACICodes.Wehavenotyetbeenabletoassessthefullscopeofeffortneededtoperformthisevaluation.

Itisexpectedthatascheduleforperforming thenecessary analyseswillbesubmitted totheNRCbytheendofMay,1982.Thesecondcontractor report,Structural Mechanics Associates ReportSMA12205.27R, "Combined LoadsEvaluation,"

datedDecember1981,addresses apotential containment linerplateintegrity problem.TheenclosedGilbert/Commonwealth report,"Containment VesselEvaluation,"

respondstotheSMAreport.Theconclusion oftheG/Creportisthat.thestructural integrity ofthestudsandlinerwouldbemaintained.

.(,.('8202240083 8202i8PDRADOCK05000244I:'I',P,,:,,;..',,;.PDR;.

Ifl'IIyslb ROCHESTER GASANDELECTRICCORP.oATEFebruary18,1982Mr.DennisM.Crutchfield SHEETNO.ItshouldbenotedthatthespecificG/Canalysiswasper-formedforapost-accident.

pressure-temperature profilewhichwascalculated byG/C(seeFigure3ofthereport).Thiscorresponds fairlycloselytotheGinnaFSARcurvesandtheAugust1981SMApreliminary draftreport.(AFebruary1,1982RG&EletterrelativetoSEPTopicsVI-2.DandVI-3notesthatthesteamlinebreakconditions usedasthebasis,fortheDecember1981SMAreportareexcessively conservative touseasadesignbasis).Further,theG/Creportprimarily evalutesthisAugust1981SMAreport,ratherthantheDecember1981report.However,theconclusion oftheG/Creport,providedinSectionsVandVI,isthatthecontainment linerandstudintegrity wouldbemaintained, evenusingtheseoverly-conservative NRCsteambreakconditions.

Verytrulyyours,Jon.Maier 1t