ML18026A536

Requests Relief from ASME Code Section Iii NC-5230,Category C for Field Weld on Line HBB-110-4.W/three Oversize Drawings

ML18026A536
Person / Time
Site:	Susquehanna
Issue date:	12/29/1994
From:	BYRAM R G PENNSYLVANIA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17164A504	List: ML17164A503 ML17164A505 ML18026A536
References
PLA-4219, NUDOCS 9501040155
Download: ML18026A536 (8)

Text

RIORITYCCELERATEDRIDSPROCESSINGREGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)ACCESSIONNBR:9501040155DOC.DATE:94/12/29NOTARIZED:NOFACIL:50-387SusquehannaSteamElectricStation,Unit1,PennsylvaAUTH.NAMEAUTHORAFFILIATIONBYRAM,R.G.PennsylvaniaPower&LightCo.RECIP.NAMERECIPIENTAFFILIATIONDocumentControlBranch(DocumentControlDesk)DOCKETN05000387

SUBJECT:

RequestsrelieffromASMECodeSectionIIINC-5230,CategoryCforfieldweldonlineHBB-110-4.DISTRIBUTIONCODE:A047DCOPIESRECEIVED:LTRENCLSIZE:TITLE:ORSubmittal:Inservice/Testing/RelieffromASMECode-GL-89-040NOTES'5000387RECIPIENTIDCODE/NAMEPD1-2LAPOSLUSNY,CINTERNAL:"'FILECENDE/EMEBOGC/HDS7.EXTERNAL:LITCOBROWN,BNOACNOTES'OPIESLTTRENCL1111661111101111RECIPIENTIDCODE/NAMEPD1-2PDAEOD/SPD/RABNRR/DE/EMCBNUDOCS-ABSTRACTRES/DSIR/EIBLITCORANSOME,CNRCPDRCOPIESLTTRENCL11111111111111D0iNOTETOALL"RIDS"RECIPIEYTS:PLEASEHELP'USTOREDUCEiV'iSTE!COYTACTTHEDOCL'WIEYTCONTROLDESK,ROO!ilPl-37(EXT.504-~083)TOELIXIIX~ATEYOL'RiA!i!LFROilDIS'IRIBUTIOYLISTSI'ORDOCI.XIEN'I'SYOL'Oi"I'IED!TOTALNUMBEROFCOPIESREQUIREDLTTR21ENCL20 0I PennsylvaniaPower&LightCompanyTwoNorthNinthStreet~Allentown,PA18101-1179~610/774-5151DEC291994RobertG.ByrarnSeniorVicePresident-Nuclear610/774-7502Fax:610/774-5019U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskMailStationP1-137Washington,DC20555'ISUSQUEHANNASTEAMELECTRICSTATIONREQUESTFORRELIEFFROMASMECODESECTIONHINC-5230,CATEGORYCFORLINEHBB-110-4,FIELDWELD6DocketNo.50-387ThepurposeofthisletteristorequestrelieffromASMECodeSectionIIINC-5230,CategoryCforfieldweld6onlineHBB-110-4.DuringareviewofradiographmicrofilmonMarch14,1994,theCoderequiredradiographforarepaironHBB-110-4fieldweld86station26-39couldnotbelocated.Theweldinquestiondidnothaveradiographicexamination(RT)recordsforonesegmentwhereaweldrepairwasperformed.Theweldislocatedonthe1DRHRPumpsuctionline(24")insidetheSuppressionPooljustabovethelowersuctionstrainer.Fromareviewoftherecords,norecordofafinalRTbeingperformedafterweldrepaircouldbefoundforstation26-39,oneof6segments(approximately13incheseach)aroundthecircumferenceofthepipe.LiquidPenetrantReports(PT-3614andPT-3708)indicatethereweretwotwo-inchsegmentswithinstation26-39thatwereintheprocessofbeingrepaired.ThisreportindicatesthatthePenetranttestofthesetwoareaswasacceptablefollowingthegrinding.However,thereisnorecordofafinalRTbeingperformedfollowingtherepair.RecordsoffinalRTsperformedatalloftheotherstationswerelocatedandfoundtobeacceptable.AlthoughthereisnorecordofafinalRTforStation26-39,thereisnoreasontobelievetheweldisunacceptablegiventheinformationavailableatthistime.Therepairwasperformedin1978andthepipinghasbeeninserviceforasignificantperiodoftimewithnoknownproblems.Althoughnodetailedinspectionshavebeenperformedonthispiping,ageneralvisualinspectionwasperformedduringtheUnit1sixthrefuelingandinspectionoutagebydiversinthisspecificareaoftheSuppressionPool.Thediversdidnotidentifyanyproblemswiththispiping.Inaddition,thisweldisonasectionofpipethatisnotsubjectedtoadifferentialpressureofanysignificancesincethepipeisessentiallyopenendedexceptasrestrictedbythesuctionstrainers.Thelocationofthisweldisshownontheattacheddesigndrawings(ISI-HBB-110-4andM-151).'50i040i5594i229PDRADOCK05000387PPDR~@id'O'APJ'nCZnbD&i/~~

FILER41-2PLA-4219DocumentControlDeskWebelievethatthisreliefisacceptablebasedupon:~Theweldislocatedunderwaterinthewetwell.TheISIexaminationselectioncriteriaallowforexcludingcomponentsthatarenotaccessible.RadiographicexaminationsareusedtoevaluateISI(NDE)indications;however,sincethisweldwillnotbeNDEexaminedduringitsservicelife,afinalradiographwillnotbeusedforcomparisonpurposes.~Theliquidpenetranttestsshownoindications.~Thefinalradiographsontheotherstationswereacceptable.~Duringageneralvisualinspectionofthesuppressionpool,noproblemswereidentified.Ifyouhaveanyquestions,pleasecontactMr.C.T.Coddingtonat(610)774-7915.Verytrulyyours,R..ramAttachmentscc:NRCRegionIMs.M.Banerjee,NRCSr.ResidentInspectorMr.C.PoslusnyJr.,NRCSr.ProjectManager

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