IR 05000389/1993008

Responds to NRC Ltr Re Violations Noted in Insp Rept 50-389/93-08.C/As:mechanical Maint Will Revise Control of Purchase Matl,Equipment & Svcs to Establish Specific Guidelines Re Quality Review of Contractor Procedures

ML17228A156
Person / Time
Site:	Saint Lucie
Issue date:	05/11/1993
From:	GOLDBERG J H FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-93-118, NUDOCS 9305180259
Download: ML17228A156 (6)

Text

ACCELERATEDDOCUIVIENTDISTRmVTIONSYSTEMREGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)'ACCESSIONNBR:9305180259DOC.DATE:93/05/11NOTARIZED:NOCZL:50-389St.LuciePlant,Unit2,FloridaPower&LightCo.UTH.NAMEAUTHORAFFILIATIONOLDBERG,J.H.FloridaPower&LightCo.RECIP.NAMERECIPIENTAFFILIATIONDocumentControlBranch(DocumentControlDesk)

SUBJECT: RespondstoNRCltrreviolationsnotedininsprept50-389/93-08.C/As:mechanicalmaintwillrevisecontrolofpurchasematl,equipment&svcstoestablishspecificguidelinesrequalityreviewofcontractorprocedures.\DISTRIBUTIONCODE:IE01DCOPIESRECEIVED:LTRENCLSIZE:TITLE:General(50Dkt)-InspRept/NoticeofViolationResponseNOTES:DOCKETN05000389RECIPIENTIDCODE/NAMEPD2-2PDINTERNAL:ACRSAEOD/DSP/TPABDEDRONRR/DRCH/HHFBNRR/DRSS/PEPBNRR/PMAS/ZLPB2OEDIR~REGELL~E02~GN2FILEOlEXTERNAL:EG&G/BRYCEgJ.H.NSICCOPIESLTTRENCL112211111111111111111111RECIPIENTIDCODE/NAMENORRISiJAEOD/DEIBAEOD/TTCNRR/DORS/OEABNRR/DRZL/RPEBNRR/PMAS/ILPB1NUDOCS-ABSTRACTOGC/HDS3RESMORISSEAUiDNRCPDRCOPIESLTTRENCL11111111111111111111DDDNOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEWASTE!CONTACTTHEDOCUMENTCONTROLDESK,ROOMPl-37(EXT.504-2065)TOELIMINATEYOURNAMEFROMDISTRIBUTIONLISTSFORDOCUMENTSYOUDON'TNEED!TOTALNUMBEROFCOPIESREQUIRED:LTTR23ENCL23

FloridaPower&LightCompany,P.O.Box14000,JunoBeach,FL334080420trtAY111993L-93-11810CFR2.201U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555Re:St.LucieUnit2DocketNo.50-389ReplytoNoticeofViolationInsectionReort93-08FloridaPowerandLightCompany(FPL)hasreviewedthesubjectinspectionreportandpursuantto10CFR2.201theresponsetothenoticeofviolationisattached.Verytrulyyours,J.H.GoldbergPresident-NuclearDivisionJHG/JWH/kwAttachmentcc:StewartD.Ebneter,RegionalAdministrator,USNRCRegionIISeniorResidentInspector,USNRC,St.LuciePlantDAS/PSL0911-93930518025'P930511PDRADQCK050003898PDRuurrI,utvupvugg>pate~rY]g St.LucieUnit2DocketNos.50-389ReplytoNoticeofViolationInsectionReort93-08VIOLATION:DuringanNRCinspectionconductedonMarch10-17,1993,aviolationofNRCrequirementswasidentified.Inaccordancewiththe"GeneralStatementofPolicyandProcedureforNRCEnforcementActions,"10CFRPart2,AppendixC,theviolationislistedbelow:A.10CFR,Part50,AppendixB,CriterionIX,asimplementedbyFPLTopicalQualityAssuranceReport(FPLTQAR1-76A),requiresmeasuresbeestablishedtoassurethatspecialprocesses,includingwelding,beaccomplishedinaccordancewithapplicabl'ecodes.TheAmericanSocietyofMechanicalEngineersBoilerandPressureVessel(ASMEB&PV)Code,SectionIII,1986EditionwithnoAddenda,SubsectionNB,hasbeenidentifiedastheapplicablecodefor'therepairoftheSt.LuciePressurizer.[1]ASMEBEPVCodeSectionIII,ParagraphNB-4622.11(c)(6),requiresthatthefirstlayerofweldmetalofatemperbeadrepairbedepositedusinga3/32inchdiameterelectrodes,thattheweldbeadcrownberemovedbygrinding,andthesecondlayerbedepositedwithan1/8inchdiameterelectrode.[2]ParagraphNB-4622.11(c)(5),requiresthattheweldarea,onatemperbeadrepair,plusabandaroundtheweldforfiveinchesbepreheatedtoaminimumtemperatureof350Fandamaximuminterpasstemperatureof450Fduringwelding,monitoredbythermocoupleandrecordinginstruments.[3]ParagraphsNB-4622.11(c)(5)andNB-4435(b)requiretheimmediateareaaroundthetemporarilyattachedthermocouplebemarkedsotheremovalareacanbeidentifiedaftertheirremovalforsubsequentNondestructiveExamination.Contrarytotheabove,onMarch13,1993,therequirementsofASMEBEPVCodeParagraphsNos.[1]NB-4622.11(c)(6),[2]NB-4622.11(c)(5),[3]NB-4622.11(c)(5),andNB-4435(b)werenotincorporated,ornotcorrectlyincorporated,intotheinstructionsandproceduresfortheaccomplishmentofthetemperbeadrepairtofourpressurizer,oneinchdiameter,vaporspace,nozzles.ThesediscrepancieswentundetectedbytheauthorsandreviewersattheNuclearSteamSupplySystemsupplier,ASEABrownBoveri/CombustionEngineering,aswellasallthelicensee'stechnicalreviewers,includingtheSt.LucieFacilityReviewGroup.Theendresultofabovediscrepanciesandoversightswasthefollowing:

St.LucieUnit2DocketNos.50-389ReplytoNoticeofViolationInsectionReort93-08[1]ThesecondlayerofthetemperbeadrepairtoallfourPressurizeroneinchvaporspacenozzleswasdepositedwith3/32inchdiameterelectrodesinsteadoftheASMECoderequired1/8inchdiameterelectrode;(Thereviewedandapprovedprocedureallowedtheuseof3/32inchelectrode.)[2]Thepreheattemperatureofabandoffourinchesorlessaroundtheweldswasmonitoredinsteadoftherequiredfiveinchband;and[3]Thelocationofthetemporaryattachmentthermocoupleweldswerenotmarkedpriortotheirremoval.RESPONSE:Thereasonsfortheviolationwerefailuretoidentifyproceduralerrorsandfailuretocomplywithaproceduralrequirement.CORRECTIVESTEPSTAKENANDTHERESULTSACHIEVEDa)FacilityReviewGroup(FRG)93-60convenedtoreviewABB-CE'sresponsetoNCR2001935-4whichwaswrittentoaddresstheissueoftheincorrectelectrodesize.Thedecisionwasmadetogrindoutboththefirstandsecondpassestoensurethattheimproperlyinstalledweldmaterialwouldbecompletelyremoved.b)AreviewwasconductedonallABB-CEdocumentationassociatedwithUnit2pressurizernozzlerepairstoassurecompliancewithapplicableASMErequirements.c)ABB-CEremovedtheimproperlyinstalledweldmaterialinaccordancewithNCR2001935-4andASMErequirementsonweldrepair.d)FPLprovideddedicatedweldingandcodeengineersatthejobsitetoassurethatABB-CE'simplementationoftheweldingprocesswasinaccordancewiththeASMErequirements.e)CE'sWeldingandTaskSupervisorwasrequiredtobeatthejobsiteduringtheweldingevolution.f)ABB-CEprovideadedicatedProjectManagertoassistwiththeimplementationoftheweldrepai St.LucieUnit2DocketNos.50-389ReplytoNoticeofViolationInsectionReort93-08g)AQAAuditofthecontractorevolutionswasinitiatedtoensurecompliancewithQAprogramrequirements.h)FPLinitiatedcontinuousQCoversightattheworklocationtoensurethequalityoftheworkpractices.i)FPLinitiatedatechnicalteamreviewofallsubsequentABB-CEprocedurechangestoensureverbatimcompliancewithASMECoderequirements.j)FPLNuclearEngineeringperformedaSafetyEvaluationwhichconcludedthatafailureoftheimproperlyinstalled3/32inchtemperbeadweldwouldnotresultinasignificantsafetyissueiftheimproperuseoftheweldrodwouldhavegoneundetected.k)ABB-CEperformedaweldqualificationontheoff-specification3/32inchelectrodetemperbeadweldrepair.Theresultsofthetestconfirmedthattheuseofthe3/32inchelectrodewouldnothavereducedcomponentintegrity.CORRECTIVESTEPSTHATWILLBETAKENTOAVOIDFURTHERVIOLATIONSa)MechanicalMaintenancewillreviseQI7-PR/PSL-1,ControlofPurchasedMaterialEuimentandServices,toestablishspecificguidelinesregardingtechnicalandqualityreviewsofcontractorproceduresbyAugust31,1993.b)MechanicalMaintenancewillreviseQI7-PR/PSL-1,ControlofPurchasedMaterialEuimentandServices,toensurethatcontractorsarewellinformedduringthecontractororientationphaseconcerningtheFPLpolicyregardingfailuretofollowproceduresbyAugust31,1993.4.FullcompliancewasachievedonApril16,1993,withthecompletionofactionslistedinitem2above.Thecorrectiveactionsofitem3willbecompletedbyAugust31,1993.