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{{#Wiki_filter:REGULAT'ORYINFQRNATIQNDISTRIBUTI'QNSYSTEH(RIDS)DISTRI6UTIOh'ORINCOMINGMATERIAL50i410RECgCARLSONRTQRGSRHQOEGKDQCDATES02/06/78NRCNIAGARAMOHAWKPWRDATERCYDS02/13/78DQCTYPE!I.ETTERNOTARIZEDINQCOPIESRECEIVEDSUBjlE('TiLTR0ENCI.1FINAl,DEFICIENCYREPTINCL.UDINGCORRECTIVEACTIONSREBREAKDOWNINTHEGRAVENlANK8MANUFACTURINGCO'lSQUALITYASSURANCEPROGRAMCQNCEANINGCONDITION1NVOLYINGFIELDERECTIONIOFUNXT2CONTAINVENTLINER~Pl.ANTNAMECANINENILEPOINT"UNIT'2REVIEWERINITIAL!5JHDISTRIBUTORINITIALi*w**+4w**~*WAN*awDISTRIBUTIONOFTHISNATERIALISASFOLLOWS-*a4eew>*4*wAaa*4~aCONSTRUCTIONDEFICIENCYREPORT(10CFR50,55(E),(DISTRIBUTIONCODEBOOED)FORACTIONSASSTDIR'VASSALLU+wLTRONI.YBRANCHCHIEFVARGA+4LTRONLYPRTRONLYLICAS8IiSERVICE0*L."TRlQNI'INTERNAL!,E)(TERNALIGFT-Br+WIS,E~~W/P.EACl.GQSSICK8STAFF<<LTRONLYHQYD*ALTR'ONLYHElTEVES*+W/ENCLKN?GHT**L.TRON[,YTEDESCQ~*LTRIGNI,YSTANDARDSl)EYe<>4/ENCLLPPRI8,'OSWEGO'Yw~W/ENCLTICWAH/ENCLNSIC*ak/ENClACRSCATB*~b/16LTRSNRCPDRa*W/ENCLVELD~*LTR~ONLYHIPCa*y/ENCLDEYQUNG*A'W/ENCLR,NATTSQN**LTRONLYROSSa+LTRONLYEISENHUT~~LTRONLYSEYFRIT/IEwwH/ENCLI.DISTRIBUTION!LTR40ENCL,28SIX(~1Pt5PCONTROLNBRI780460032 t'I0~'hltttiIfN4II1Nlll~itI'utI)'4it-I2'NlltLI'NW4,';IINNy.''4~tgP4IIYIf4'IIIII\,Ig1r444Ifg1tt,dttll~o"ltII'At4',ttH*ltNN tlMll9mltIJatl&#xc3;BFNFgPLm'WNIAGAAPlUMOHAWKNIAGARAMOHAWKPOWERCORPORATION/300ERIEBOULEVARDWEST,SYRACUSE,N.Y.13202/TELEPHONE(315)474-1511February6,1978OfficeofInspectionandEnforcementRegionIAttention:.Mr.,R.T.Garison,ChiefReactorConstructionandEngineeringSupportBranchU.S.NuclearRegulatoryCommission631ParkAvenueKingofPrussia,Pennsylvania19406'<~ling~~iS~p~i1918CI1O8Re:.NineMilePointUnit2DocketNo.50-410
{{#Wiki_filter:REGULAT'ORYINFQRNATIQNDISTRIBUTI'QNSYSTEH(RIDS)DISTRI6UTIOh'OR INCOMINGMATERIAL50i410RECgCARLSONRTQRGSRHQOEGKDQCDATES02/06/78NRCNIAGARAMOHAWKPWRDATERCYDS02/13/78DQCTYPE!I.ETTERNOTARIZED INQCOPIESRECEIVEDSUBjlE('T iLTR0ENCI.1FINAl,DEFICIENCY REPTINCL.UDING CORRECTIVE ACTIONSREBREAKDOWN INTHEGRAVENlANK8MANUFACTURING CO'lSQUALITYASSURANCE PROGRAMCQNCEANING CONDITION 1NVOLYING FIELDERECTIONIOFUNXT2CONTAINVENT LINER~Pl.ANTNAMECANINENILEPOINT"UNIT'2REVIEWERINITIAL!5JHDISTRIBUTOR INITIALi*w**+4w**~*WAN*aw DISTRIBUTION OFTHISNATERIALISASFOLLOWS-*a4eew>*4*wAaa*4~a CONSTRUCTION DEFICIENCY REPORT(10CFR50,55(E),
(DISTRIBUTION CODEBOOED)FORACTIONSASSTDIR'VASSALLU+wLTR ONI.YBRANCHCHIEFVARGA+4LTR ONLYPRTRONLYLICAS8IiSERVICE0*L."TRlQNI'INTERNAL!
,E)(TERNALI GFT-Br+WIS,E~~W/P.EACl.GQSSICK8STAFF<<LTR ONLYHQYD*ALTR
'ONLYHElTEVES*+W/ENCL KN?GHT**L.TR ON[,YTEDESCQ~*LTR IGNI,YSTANDARDS l)EYe<>4/ENCL LPPRI8,'OSWEGO'Yw~W/ENCL TICWAH/ENCL NSIC*ak/ENCl ACRSCATB*~b/16LTRSNRCPDRa*W/ENCL VELD~*LTR
~ONLYHIPCa*y/ENCL DEYQUNG*A'W/ENCL R,NATTSQN**LTR ONLYROSSa+LTR ONLYEISENHUT~~LTR ONLYSEYFRIT/IEwwH/ENCL I.DISTRIBUTION!
LTR40ENCL,28SIX(~1Pt5PCONTROLNBRI780460032 t'I0~'hltttiIfN4II1Nlll~itI'utI)'4it-I2'NlltLI'NW4,';IINNy.''4~tgP4IIYIf4'IIIII\,Ig1r444Ifg1tt,dttll~o"ltII'At4',ttH*ltNN tlMll9mltIJatl&#xc3;B FNFgPLm'WNIAGAAPlUMOHAWKNIAGARAMOHAWKPOWERCORPORATION/300 ERIEBOULEVARD WEST,SYRACUSE, N.Y.13202/TELEPHONE (315)474-1511February6,1978OfficeofInspection andEnforcement RegionIAttention:
.Mr.,R.T.Garison,ChiefReactorConstruction andEngineering SupportBranchU.S.NuclearRegulatory Commission 631ParkAvenueKingofPrussia,Pennsylvania 19406'<~ling~~iS~p~i1918CI1O8Re:.NineMilePointUnit2DocketNo.50-410


==DearMr.Garison:==
==DearMr.Garison:==
OnDecember.23,1977,yourstaffwas.advisedofabreakdownintheGraverTank&ManufacturingCompany'sQualityAssuranceProgram.ThisconditioninvolvedfielderectionoftheNine'ilePointUnit2containmentliner.Asindicatedin.ourJanuary24,1978letter,attachedisafinalreportprovidingadescriptionofthedeficiency,andanalysisofthesafetyimplicationsandthecorrectiveactiontaken.ThisreportissubmittedinaccordancewithSection50.55(e)(3)oftheCommission'sregulations.-Verytrulyyours,NIAGARAMOHAWKPOWERCORPORATIONI7Geral.K.Rhod,VicePresidentSystemPro)ctManagementPEF/szd~o46OO32AttachmentXc:.ErnstVolgenauInspection&EnforcementBranchU.S.NuclearRegulatoryCommissionWashington,D.C.20555Boaq0/
OnDecember.
I~~gog Stone.&Webster'.sFieldQualityControlgroupinaccordancewiththeirQualityVerificationofGraver'sQualityProgramissuedsevenunsatis-factoryInspectionReportsandtwoNonconformanceandDispositionReportsduringafiveweekperiodendingDecember15,1977.Areviewofthesereportsrevealedthefollowingdeficiencies:A..Contraryto10CFR50AppendixBCriterionVI(DOCUMENTCONTROL)work,wasbeingperformedutilizingaprocedure,fortemporaryattachmentremovalthat,hadnotbeenapprovedbyStoneandWebsterEngineering.B.Contraryto10CFR50AppendixB.CriterionIX-(CONTROLOFSPECIALPROCESSES)aweldingprocedurewasbeingusedthatwasnotqualified.fortheapplication(i.e.,weldingwasbeingperformedoncladdingthinnerthanspecifiedintheprocedure).Inaddition,required,nondestructivetestingwasnotbeingperformedtoverifydefectremovalpriortowelding.C.Contraryto10CFR50AppendixBCriterionX(INSPECTION),Graver'sQualityControlgroupwasnotdocumentingtheirinspection(reviewandacceptance)ofrepairweldsperformedasaresultofremovaloftemporaryattachments.D.Contraryto10CFR50AppendixB.CriterionXVI(CORRECTIVEACTION),measureswerenotinitiatedtocorrectconditionsidentifiedbyStoneandWebsterFieldQualityControlaboveasbeingadversetoquality.After.theyhadbeeninstructedtodosobyStoneand.WebsterEngineering,Graverdid.notdocumenttheirinspectionofrepairwelds,usetheprocedureidentifiedbyStoneandWebsterasapplicableforclad'lessthan1/16"thick,andtheydidnotfollowtheirprocedurefortemporaryattachmentremovalasapproved.II.SAFETYANALYSISTheprimarycontainmentcladmaterialanditsfunctionaredescribedinSection5.0ofthePreliminarySafetyAnalysisReport.Thecladformsanintegral,partofthebasematerialoftheprimarycontainmentliner.Thecladsurfaceisdesignedto.providecorrosionprotectionofthebasematerialandpreclude.contamination.fromthesuppressionpoolwater.Thecladdingisnotrequiredfor.thedesignstrengthorleakintegrityoftheprimarycontainmentliner.Theweldrepaircavitiesdidnotexposethecarbonsteelbasemetal.Therefore,this,doesnotresultinasafetyhazardtoNineMilePointUnit2.Theweldrepairsdonotjeopardizethecorrosionresistantperformanceofthecladortheprimarycontainmentlinerdesignrequirements.
23,1977,yourstaffwas.advisedofabreakdown intheGraverTank&Manufacturing Company's QualityAssurance Program.Thiscondition involvedfielderectionoftheNine'ilePointUnit2containment liner.Asindicated in.ourJanuary24,1978letter,attachedisafinalreportproviding adescription ofthedeficiency, andanalysisofthesafetyimplications andthecorrective actiontaken.Thisreportissubmitted inaccordance withSection50.55(e)(3) oftheCommission's regulations.-
E~f III.CORRECTIVEACTIONThefollowingactionshavebeentakentocorrectthedeficienciesidentifiedinSectionI:A.AprocedurefortemporaryattachmentremovalhasbeenreviewedandapprovedasofNovember22,1977.B.Stone.andWebsterhasreviewedtheapplicabilityofweldingprocedures.forcladsurfaceweldrepairs.TheappropriateweldingprocedureinquestionwasfoundacceptableasitwasinaccordancewiththeASMEcoderequiredbypurchasespecification.Also,cladsurfaceweldrepairswereallliquidpenetrantinspectedandaccepted.C.Theprocedurefortemporaryattachmentremovalprovidesfortheinitiationofatemporarywelddatasheetto,documenttheweldprocedureusedandQualityAssurancesign-off.D.OnJanuary4,.1978,ameetingwasheldatStoneandWebster'CherryHillOperationsCenterwithGraverManagement.todiscussthese'eficiencies.Asaresultofthismeeting,thefollowingactionshaveorwillbetaken:1.GraverhaspreparedasupplementtotheNineMileQualityAssuranceManualwhich,hasbeenreviewedandaccepted.Itisanticipatedthatthissupple-mentwillbeissuedshortly.Thissupplementestablishesasystemtoassurethatconditionsadversetoqualitysuchasaudit,findings,deficiencies,deviationsfromprocedures,failures,malfunctionsandnonconformancesareidentified,correctedanddocumented.Theprocedurewillrequirearesponsefromtheaffectedpartyandwillalsorequireperiodicmanagementreviewofcorrectiveactions.
Verytrulyyours,NIAGARAMOHAWKPOWERCORPORATION I7Geral.K.Rhod,VicePresident SystemPro)ctManagement PEF/szd~o46OO32Attachment Xc:.ErnstVolgenauInspection
zr 2.GraverwillbesupplementingitsgQualityAssuranceactivitiesbyaddingapermanentQualityAssurancerepresentativetotheNineMilefieldcrew.InadditiontohisdefinedQualityAssuranceresponsibilities,hewillprovideanadditional~intertace>with<StoneandWebsterFieldQualityControl.~~~"<"~03.AsofJanuary16,1978,GraverhasassignedaQualityAssuranceManagementindividualtotheNineMilesiteonatemporarybasis.Thisindividualwillreviewtheactivitiesatthesiteand,reporttoGravermanagementontheprogressofQualityAssuranceandsiteactivities.4.TheappropriateConstructionInterfaceProcedurewillberevisedtoreflectaworkableInspectionReportandNonconformance&DispositionReportinterfacebetweenGraverandStoneandWebster.StoneandWebsterFieldQualityControlwillincreasetheirsurveillanceoftheGraverQualityAssuranceProgramandreporttoStoneandWebsterProjectManagementandNiagaraMohawkontheprogress,andeffectivenessofGraver'sQualityAssurancesiteactivities.
&Enforcement BranchU.S.NuclearRegulatory Commission Washington, D.C.20555Boaq0/
RECEIVEOOOCOHEHTCONIROLGEST19tGFB15PQ200U.S.NRCOISTRIBUTIONSERVICESBRANCH}}
I~~gog Stone.&Webster'.s FieldQualityControlgroupinaccordance withtheirQualityVerification ofGraver'sQualityProgramissuedsevenunsatis-factoryInspection ReportsandtwoNonconformance andDisposition ReportsduringafiveweekperiodendingDecember15,1977.Areviewofthesereportsrevealedthefollowing deficiencies:
A..Contraryto10CFR50AppendixBCriterion VI(DOCUMENT CONTROL)work,wasbeingperformed utilizing aprocedure, fortemporary attachment removalthat,hadnotbeenapprovedbyStoneandWebsterEngineering.
B.Contraryto10CFR50AppendixB.Criterion IX-(CONTROL OFSPECIALPROCESSES) aweldingprocedure wasbeingusedthatwasnotqualified.
fortheapplication (i.e.,weldingwasbeingperformed oncladdingthinnerthanspecified intheprocedure).
Inaddition,
: required, nondestructive testingwasnotbeingperformed toverifydefectremovalpriortowelding.C.Contraryto10CFR50AppendixBCriterion X(INSPECTION),
Graver'sQualityControlgroupwasnotdocumenting theirinspection (reviewandacceptance) ofrepairweldsperformed asaresultofremovaloftemporary attachments.
D.Contraryto10CFR50AppendixB.Criterion XVI(CORRECTIVE ACTION),measureswerenotinitiated tocorrectconditions identified byStoneandWebsterFieldQualityControlaboveasbeingadversetoquality.After.theyhadbeeninstructed todosobyStoneand.Webster Engineering, Graverdid.notdocumenttheirinspection ofrepairwelds,usetheprocedure identified byStoneandWebsterasapplicable forclad'less than1/16"thick,andtheydidnotfollowtheirprocedure fortemporary attachment removalasapproved.
II.SAFETYANALYSISTheprimarycontainment cladmaterialanditsfunctionaredescribed inSection5.0ofthePreliminary SafetyAnalysisReport.Thecladformsanintegral, partofthebasematerialoftheprimarycontainment liner.Thecladsurfaceisdesignedto.providecorrosion protection ofthebasematerialandpreclude.
contamination.
fromthesuppression poolwater.Thecladdingisnotrequiredfor.thedesignstrengthorleakintegrity oftheprimarycontainment liner.Theweldrepaircavitiesdidnotexposethecarbonsteelbasemetal.Therefore, this,doesnotresultinasafetyhazardtoNineMilePointUnit2.Theweldrepairsdonotjeopardize thecorrosion resistant performance ofthecladortheprimarycontainment linerdesignrequirements.
E~f III.CORRECTIVE ACTIONThefollowing actionshavebeentakentocorrectthedeficiencies identified inSectionI:A.Aprocedure fortemporary attachment removalhasbeenreviewedandapprovedasofNovember22,1977.B.Stone.andWebsterhasreviewedtheapplicability ofweldingprocedures.
forcladsurfaceweldrepairs.Theappropriate weldingprocedure inquestionwasfoundacceptable asitwasinaccordance withtheASMEcoderequiredbypurchasespecification.
Also,cladsurfaceweldrepairswereallliquidpenetrant inspected andaccepted.
C.Theprocedure fortemporary attachment removalprovidesfortheinitiation ofatemporary welddatasheetto,document theweldprocedure usedandQualityAssurance sign-off.
D.OnJanuary4,.1978,ameetingwasheldatStoneandWebster'CherryHillOperations CenterwithGraverManagement.
todiscussthese'eficiencies.
Asaresultofthismeeting,thefollowing actionshaveorwillbetaken:1.Graverhaspreparedasupplement totheNineMileQualityAssurance Manualwhich,has beenreviewedandaccepted.
Itisanticipated thatthissupple-mentwillbeissuedshortly.Thissupplement establishes asystemtoassurethatconditions adversetoqualitysuchasaudit,findings, deficiencies, deviations fromprocedures,
: failures, malfunctions andnonconformances areidentified, corrected anddocumented.
Theprocedure willrequirearesponsefromtheaffectedpartyandwillalsorequireperiodicmanagement reviewofcorrective actions.
zr 2.Graverwillbesupplementing itsgQuality Assurance activities byaddingapermanent QualityAssurance representative totheNineMilefieldcrew.InadditiontohisdefinedQualityAssurance responsibilities, hewillprovideanadditional~intertace>with<Stone andWebsterFieldQualityControl.~~~"<"~03.AsofJanuary16,1978,GraverhasassignedaQualityAssurance Management individual totheNineMilesiteonatemporary basis.Thisindividual willreviewtheactivities atthesiteand,reporttoGravermanagement ontheprogressofQualityAssurance andsiteactivities.
4.Theappropriate Construction Interface Procedure willberevisedtoreflectaworkableInspection ReportandNonconformance
&Disposition Reportinterface betweenGraverandStoneandWebster.StoneandWebsterFieldQualityControlwillincreasetheirsurveillance oftheGraverQualityAssurance ProgramandreporttoStoneandWebsterProjectManagement andNiagaraMohawkontheprogress, andeffectiveness ofGraver'sQualityAssurance siteactivities.
RECEIVEOOOCOHEHTCONIROLGEST19tGFB15PQ200U.S.NRCOISTRIBUTION SERVICESBRANCH}}

Revision as of 00:22, 30 June 2018

Nine Mile Point Unit 2 - Letter Regarding a Breakdown in the Graver Tank & Manufacturing Company'S QA Program and an Enclosed Report Providing a Description of the Deficiency, Analysis of the Safety Implications, and Corrective Action Taken
ML17037B871
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 02/06/1978
From: Rhode G K
Niagara Mohawk Power Corp
To: Carlson R T
NRC/IE, NRC Region 1
References
Download: ML17037B871 (10)
v • d • e


Text

REGULAT'ORYINFQRNATIQNDISTRIBUTI'QNSYSTEH(RIDS)DISTRI6UTIOh'OR INCOMINGMATERIAL50i410RECgCARLSONRTQRGSRHQOEGKDQCDATES02/06/78NRCNIAGARAMOHAWKPWRDATERCYDS02/13/78DQCTYPE!I.ETTERNOTARIZED INQCOPIESRECEIVEDSUBjlE('T iLTR0ENCI.1FINAl,DEFICIENCY REPTINCL.UDING CORRECTIVE ACTIONSREBREAKDOWN INTHEGRAVENlANK8MANUFACTURING CO'lSQUALITYASSURANCE PROGRAMCQNCEANING CONDITION 1NVOLYING FIELDERECTIONIOFUNXT2CONTAINVENT LINER~Pl.ANTNAMECANINENILEPOINT"UNIT'2REVIEWERINITIAL!5JHDISTRIBUTOR INITIALi*w**+4w**~*WAN*aw DISTRIBUTION OFTHISNATERIALISASFOLLOWS-*a4eew>*4*wAaa*4~a CONSTRUCTION DEFICIENCY REPORT(10CFR50,55(E),

(DISTRIBUTION CODEBOOED)FORACTIONSASSTDIR'VASSALLU+wLTR ONI.YBRANCHCHIEFVARGA+4LTR ONLYPRTRONLYLICAS8IiSERVICE0*L."TRlQNI'INTERNAL!

,E)(TERNALI GFT-Br+WIS,E~~W/P.EACl.GQSSICK8STAFF<<LTR ONLYHQYD*ALTR

'ONLYHElTEVES*+W/ENCL KN?GHT**L.TR ON[,YTEDESCQ~*LTR IGNI,YSTANDARDS l)EYe<>4/ENCL LPPRI8,'OSWEGO'Yw~W/ENCL TICWAH/ENCL NSIC*ak/ENCl ACRSCATB*~b/16LTRSNRCPDRa*W/ENCL VELD~*LTR

~ONLYHIPCa*y/ENCL DEYQUNG*A'W/ENCL R,NATTSQN**LTR ONLYROSSa+LTR ONLYEISENHUT~~LTR ONLYSEYFRIT/IEwwH/ENCL I.DISTRIBUTION!

LTR40ENCL,28SIX(~1Pt5PCONTROLNBRI780460032 t'I0~'hltttiIfN4II1Nlll~itI'utI)'4it-I2'NlltLI'NW4,';IINNy.4~tgP4IIYIf4'IIIII\,Ig1r444Ifg1tt,dttll~o"ltII'At4',ttH*ltNN tlMll9mltIJatlÃB FNFgPLm'WNIAGAAPlUMOHAWKNIAGARAMOHAWKPOWERCORPORATION/300 ERIEBOULEVARD WEST,SYRACUSE, N.Y.13202/TELEPHONE (315)474-1511February6,1978OfficeofInspection andEnforcement RegionIAttention:

.Mr.,R.T.Garison,ChiefReactorConstruction andEngineering SupportBranchU.S.NuclearRegulatory Commission 631ParkAvenueKingofPrussia,Pennsylvania 19406'<~ling~~iS~p~i1918CI1O8Re:.NineMilePointUnit2DocketNo.50-410

DearMr.Garison:

OnDecember.

23,1977,yourstaffwas.advisedofabreakdown intheGraverTank&Manufacturing Company's QualityAssurance Program.Thiscondition involvedfielderectionoftheNine'ilePointUnit2containment liner.Asindicated in.ourJanuary24,1978letter,attachedisafinalreportproviding adescription ofthedeficiency, andanalysisofthesafetyimplications andthecorrective actiontaken.Thisreportissubmitted inaccordance withSection50.55(e)(3) oftheCommission's regulations.-

Verytrulyyours,NIAGARAMOHAWKPOWERCORPORATION I7Geral.K.Rhod,VicePresident SystemPro)ctManagement PEF/szd~o46OO32Attachment Xc:.ErnstVolgenauInspection

&Enforcement BranchU.S.NuclearRegulatory Commission Washington, D.C.20555Boaq0/

I~~gog Stone.&Webster'.s FieldQualityControlgroupinaccordance withtheirQualityVerification ofGraver'sQualityProgramissuedsevenunsatis-factoryInspection ReportsandtwoNonconformance andDisposition ReportsduringafiveweekperiodendingDecember15,1977.Areviewofthesereportsrevealedthefollowing deficiencies:

A..Contraryto10CFR50AppendixBCriterion VI(DOCUMENT CONTROL)work,wasbeingperformed utilizing aprocedure, fortemporary attachment removalthat,hadnotbeenapprovedbyStoneandWebsterEngineering.

B.Contraryto10CFR50AppendixB.Criterion IX-(CONTROL OFSPECIALPROCESSES) aweldingprocedure wasbeingusedthatwasnotqualified.

fortheapplication (i.e.,weldingwasbeingperformed oncladdingthinnerthanspecified intheprocedure).

Inaddition,

required, nondestructive testingwasnotbeingperformed toverifydefectremovalpriortowelding.C.Contraryto10CFR50AppendixBCriterion X(INSPECTION),

Graver'sQualityControlgroupwasnotdocumenting theirinspection (reviewandacceptance) ofrepairweldsperformed asaresultofremovaloftemporary attachments.

D.Contraryto10CFR50AppendixB.Criterion XVI(CORRECTIVE ACTION),measureswerenotinitiated tocorrectconditions identified byStoneandWebsterFieldQualityControlaboveasbeingadversetoquality.After.theyhadbeeninstructed todosobyStoneand.Webster Engineering, Graverdid.notdocumenttheirinspection ofrepairwelds,usetheprocedure identified byStoneandWebsterasapplicable forclad'less than1/16"thick,andtheydidnotfollowtheirprocedure fortemporary attachment removalasapproved.

II.SAFETYANALYSISTheprimarycontainment cladmaterialanditsfunctionaredescribed inSection5.0ofthePreliminary SafetyAnalysisReport.Thecladformsanintegral, partofthebasematerialoftheprimarycontainment liner.Thecladsurfaceisdesignedto.providecorrosion protection ofthebasematerialandpreclude.

contamination.

fromthesuppression poolwater.Thecladdingisnotrequiredfor.thedesignstrengthorleakintegrity oftheprimarycontainment liner.Theweldrepaircavitiesdidnotexposethecarbonsteelbasemetal.Therefore, this,doesnotresultinasafetyhazardtoNineMilePointUnit2.Theweldrepairsdonotjeopardize thecorrosion resistant performance ofthecladortheprimarycontainment linerdesignrequirements.

E~f III.CORRECTIVE ACTIONThefollowing actionshavebeentakentocorrectthedeficiencies identified inSectionI:A.Aprocedure fortemporary attachment removalhasbeenreviewedandapprovedasofNovember22,1977.B.Stone.andWebsterhasreviewedtheapplicability ofweldingprocedures.

forcladsurfaceweldrepairs.Theappropriate weldingprocedure inquestionwasfoundacceptable asitwasinaccordance withtheASMEcoderequiredbypurchasespecification.

Also,cladsurfaceweldrepairswereallliquidpenetrant inspected andaccepted.

C.Theprocedure fortemporary attachment removalprovidesfortheinitiation ofatemporary welddatasheetto,document theweldprocedure usedandQualityAssurance sign-off.

D.OnJanuary4,.1978,ameetingwasheldatStoneandWebster'CherryHillOperations CenterwithGraverManagement.

todiscussthese'eficiencies.

Asaresultofthismeeting,thefollowing actionshaveorwillbetaken:1.Graverhaspreparedasupplement totheNineMileQualityAssurance Manualwhich,has beenreviewedandaccepted.

Itisanticipated thatthissupple-mentwillbeissuedshortly.Thissupplement establishes asystemtoassurethatconditions adversetoqualitysuchasaudit,findings, deficiencies, deviations fromprocedures,

failures, malfunctions andnonconformances areidentified, corrected anddocumented.

Theprocedure willrequirearesponsefromtheaffectedpartyandwillalsorequireperiodicmanagement reviewofcorrective actions.

zr 2.Graverwillbesupplementing itsgQuality Assurance activities byaddingapermanent QualityAssurance representative totheNineMilefieldcrew.InadditiontohisdefinedQualityAssurance responsibilities, hewillprovideanadditional~intertace>with<Stone andWebsterFieldQualityControl.~~~"<"~03.AsofJanuary16,1978,GraverhasassignedaQualityAssurance Management individual totheNineMilesiteonatemporary basis.Thisindividual willreviewtheactivities atthesiteand,reporttoGravermanagement ontheprogressofQualityAssurance andsiteactivities.

4.Theappropriate Construction Interface Procedure willberevisedtoreflectaworkableInspection ReportandNonconformance

&Disposition Reportinterface betweenGraverandStoneandWebster.StoneandWebsterFieldQualityControlwillincreasetheirsurveillance oftheGraverQualityAssurance ProgramandreporttoStoneandWebsterProjectManagement andNiagaraMohawkontheprogress, andeffectiveness ofGraver'sQualityAssurance siteactivities.

RECEIVEOOOCOHEHTCONIROLGEST19tGFB15PQ200U.S.NRCOISTRIBUTION SERVICESBRANCH

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