ML17228B492

From kanterella
Revision as of 02:53, 2 May 2018 by StriderTol (talk | contribs) (Created page by program invented by StriderTol)
Jump to navigation Jump to search
FPL St Lucie Unit 1 SG Program.
ML17228B492
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 04/22/1996
From:
FLORIDA POWER & LIGHT CO.
To:
NRC
Shared Package
ML17228B491 List:
References
PROC-960422, NUDOCS 9605170228
Download: ML17228B492 (26)


Text

ENCLOSURE1FLORIDAPOWER&LIGHTST.LUCIEUNIT1STEAMGENERATORPROGRAMPRESENTEDTOTHENUCLEARREGULATORYCOMMISSIONAPRIL22,1996'Ph05f7022896050i~IPDRADOCK05000335PDRIInrc496*aa

FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMOPENING8cINTRODUCTIONSI.PURPOSEOFMEETINGII.STATUSOFS/GCONDITIONIII.ECTTECHNIQUEQUALIFICATIONIV.5/96REFUELINGOUTAGEPLANSV.SUMMARY FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMII;STATUSOFS/6CONDITIONS/GDESIGNFEATURESDRYSTEAM~DOERSHOTSIDERECIRCULATINGFLUIDFLOWQEPARATO~COLDSIDERECIRCULATINGFLUIDFLOWDOWNCOMERFLOWRlER$Vwry.rrrCjigXrqgPDOWNCOMERFEEDWATERINLEI'100%)UNIFORMDISTRIBUTIONDOWNCOMERFLOWHOTSIDERECIRC.INLETCOLDSIDERECIRC.INLETCOOLANTINLETPRIMARYCOOLANTOUTLEI'2)SchematicofSt.LucieUnit1SteamGenetatornrc496.woo FPLPRESENTATlONTONRC-APRlL22,1996ST.LUCIEUNlT1STEAMGENERATORPROGRAMII.STATUSOFS/6CONDITIONS/GDESIGNFEATURES~ISO)40+IIi<O~ieSvceonPtee,.O'.O:O.00000ooooo0i0i00OcCeaVuboSuooonPlae.VoncaiTu&Svoen FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMII.STATUSOFS/GCONDITIONINSPECTION&TUBEPLUGGINGHISTORY,::>,EXANfRI',DATE=MFG197719781979198119841985~B0BBIN~100%10%10%10%A-28%B-38%100%100%(8X1)~j,;".,TUBES=.y",,;PL'UGGED.".232110350766.~+RESuLTPSi"-COMMENT~C)g+;>~~Qg%q~~~g~~pg$PreserviceShopPlugsDrilledSupportRimCutU-BendCrackingRows8-11PreventivePluggingRows8-11RandomIndic.-SludgePile8SupportsRandomIndic.-SludgePile&SupportsPulled3Tubes1986(Midcycle)23PostOutageECTReview8Pltjgging198719881990199119931994100%100%100%100%100%100%<50BobbinIndications<50BobbinIndications97BobbinIndications100%HLExpan.Trans.3%CLExpan.Trans.650BobbinIndications100%HLExpan.Trans.3%CLExpan.Trans.250BobbinIndications100%HLExpan.Trans.3%CLExpan.Trans.100BobbinIndications7623918044913094RandomIndic.-SludgePile&SupportsRandomIndic.-SludgePile8SupportsRandomIndic.-SludgePile&Supports98Circ.Indications-HLExpan.Trans.RandomIndic.-SludgePile&Supports12Circ.Indications-HLExpan.Trans.RandomIndic.-SludgePile&Supports14Circ.Indications-HLExpan.Trans.TOTALTUBES-Each=8519TOTALPLUGS-S/GA=1138(13.3%)S/GB=774(9.1%)PLUGMARGIN-2129Tubes(25%)eachS/G+/-7%Asymmetrynrc496.wca r'~>>ax%NfH~~RIIIKIIIEllllj%P<ERMHIllllllllBMIHNTEEllllllllllIIEIlllllll&

FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMII.STATUSOFS/6CONDITION1985TUBEPULLRESULTSCorrelationofECTandMetallographyResultsST.LUCIEUNIT1-'S/G"A"PULLEDTUBECORRELATIONBOBBINCOILEDDYCURRENTvsMETALLOGRAPHYLINEROWELEV.ECT%1985MET.DEPTHECT%1996DEFECTAPPEARANCE12012079795959121291919595SludgePile¹3EC-HotSludgePileSludgePile¹2EC-Hot¹1EC-Hot41'182%UDS57%29%DSS30%72%16%42%13%52%26%70%NDD443%46%IG/TGSCCparallelaxialcracks.0.4"longestover1"axiallengthacross360'ftubecircumference.Mostover90'.IGNTGSCCparallelaxialcracksinlandarea0.6'ongestover2'xialacross0.1'ftubecircumference.IGAPatch.5'xialx.5'irc.IGAPatch.8'xialx.5'irc.IGAPatch.4'xialx.3'irc.IGAPatch.7'xialx.3'irc.ECEggcrateUDSUndefinedsignalDSSDistortedSignalNDDNoDetectableDefectnrc4~6*ci FPLPRESENTATIONTONRC-APRlL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMII.STATUSOFS/6CONDITIONLOCATIONOFDEGRADATIONREPORTABLEINDICATIONSINSERVICES/GREGIONS/GAS/GS'.VlV2V3U-BENDDRILLEDSUPPORTS¹9&10EGGCRATESUPPORTS¹1TOS1901662941011948124218H87H86HEIW218C89C88C87CSLUDGEPILE113164233H82H83C82CO'C~SCTOTALS35632151INLETOLITLETnrc496.wpa FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMII.STATUSOFS/6CONDITIONLEAKAGEHISTORYApril1981LeakRate-0.01-0.05Gallons/Day(gpd)LeakLocation-SteamBlanketedU-BendCauseIGA/IGSCCJanuary1990LeakRate-2-5Gallons/Day(gpd)LeakLocation--13"AboveTubesheetCauseSlagNuggetBetweenPeriphery.nrc496.wpd

.FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMII.STATUSOFS/GCONDITIONLEAKAGEHISTORYTECHNICALSPECIFICATIONREQUIREMENTS3Samples/7Days-5mlGrossActivityMonthlySample-4000mlDoseEquivalentIodineADDITIONALMONITORINGOn-LineBlowdownMonitorsAirEjectorMonitorsGrabSamples400LiterSampleonResinMonthlyif<LLDWeeklyif>LLDSecondarySideTritiumCurrentRCSLeakage3-5Gallons/Day(gpd)EPRILeakRateGuidelinesNightOrderinControlRoomIncorporateintoOperationsProceduresPriortoStartupfrom4/96Outagenrc496.woa FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMIII.ECTTECHNIQUEQUALIFICATION-IGA/SCCFPLBOBBINCOILTECHNIQUEEXCEEDSEPRIS/GEXAM.GUIDELINE,"APPENDIXH"REQUIREMENTS~RitttdiHRFPLTechniueDETECTION80%POD90%CLForFlaws>60%80%POD90%CL'orFlaws>35%DEPTHSIZINGRMSE<25%RMSE=17.9%***EPRIPEERREVIEWAPPROVEDMARCH27,1996***QUALIFICATIONSAMPLESETFLAWSATEGGCRATESUPPORTSFLAWSATSLUDGEPILEREGIONALLAVAILABLECES/GPULLEDTUBEDATA11FLAWSFROMCES/Gs(6fromPSL-1)7IGA/SCCLABSAMPLESFROMEPRInrc496*cc FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAM1ll.ECTTECHNIQUEQUAL1FlCATION-IGA/SCCFPLBOBBINCOllQUALIFICATIONSAMPLESETECTvsMETALLOGRAPHYRESULTSDETECTION80toPOD90%CLForFlaws>35%DEPTHSIZINGRMSE=17.9%BOBBINCOILAPLHODSCC'gqW"'-8)'(~NgP~zq~(<<$'g(~qq()%@(""",Mean=-5.551StdOevi17.54,'""'",0IP.~1e':-:,:-~y!70H003504.WOIYIg'"'"'-"'""""""-'"TWDETECTEDPODe9014CL<<M%3OF5<<.00ISOF13.EOy400~Ect%10010203040MAXMETDEPTH7080nrc496*m FPLPRESENTATIONTONRC-APRIL22,'f996ST.LUCIEUNIT1STEAMGENERATORPROGRAMIII.ECTTECHNIQUEQUALIFICATIONDRILLEDSUPPORTECT-SIGNALLARGER5INTERFERESMOREWITHFLAWDETECTIONBcSIZING0.41vlSN>>l1mIISI0000'0:0:0:.'0:0:0:0'0&>>IIIlail>>.ll>>>>IllIll'qua.IH>>WVOWCI>>ISS~.SSMll~SS4'SSDRILLEDSUPPORTDESIGNECTSIGNALll>>NIIII0,41vtelorn1rolIIII':-rPQQV%IINI.SSmll~IItelIllEGGCRATESUPPORTDESIGNECTSIGNAL C

FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMIII.ECTTECHNIQUEQUALIFICATIONFLAWATDRILLEDSUPPORTPLATE(FLAWIDENTIFIEDBYVECTORPOINTS)ls+00Ol'rrO.ovo5~aloSllooOlfr1.5voS22Ilk'ill5OfrfO.dvO5ran100dOSl.J.ovo5SlanVOOQVOaleO2.2%v~ld005VOO%WannlaVdd~WaalOO2.$020d50%2.00'ld005O.52VOO+Vatal00!0.0tell1dFLAWATEGGCRATESUPPORT(FLAWIDENTIFIEDBYVECTORPOINTS)tr400Olla'Ovo5~altlocolrfI.JVO5lldl&dlrl5Dlrrl.ovo5~aro2.~525a52vddgv~aaleovddavaieloovodgvIelarvag~owle2.5lvlloyd30l3.%%<lCdd2.%le%kltA2.~203e01H0.70nrc496.wpa

~~FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMIII.ECTTECHNIQUEQUALIFICATION-IGA/SCCEPRIBOBBINCOILQUALIFICATIONFORIGA/SCCALLDRILLEDSUPPORTPLATEPULLEDTUBEFLAWSetDETECTIONe'xHR80%PODI90%CLForFlaws~60%EPITec80%POD90%CLForFlaws40DEPTHSIZINGRMSEs25%RMSE=29~oEPRIEFFORTNOTREPRESENTATIVEFORCES/GsST.LUCIEUNIT1HAS2PARTIALDIAMETERDRILLEDSUPPORTSnrc496.wpa 4I FPLPRESENTATIONTONRC-APRIL22,'I996ST.LUCIEUNIT1STEAMGENERATORPROGRAMIV.1996S/6INSPECT(ONPLANSDRILLEDSUPPORTPLATESfENHANCEDAPPROACHFOREOC13INSPECTIONEPRIS/GExaminationGuidelines,SupplementI-"GuidelinesforDispositionofBobbinCoilIndicationsAttributedtoODSCCatNon-DentedandDrilledTubeSupportPlates"SUPPLEMENTIAPPROACHBOBBINSIZINGIFINDICATIONISCONCLUSIVEMRPCIFINDICATIONISINCONCLUSIVEREPAIRFORCRACKLIKEINDICATIONMONITORIFNOTCRACKLIKEFPLAPPROACH-MRPCALLBOBBININDICATIONSPLUGCRACK-LIKEINDICATIONSTRACKIFNOTDETECTEDBYMRPCEVALUATEIFNOTCRACK-LIKEBYMRPCASSESSDEPTHBYBOBBINE.MRPCREVIEWHISTORYFORGROWTHPLUGIF4P%)OREVIDENCEOFGROWTHnrc496woa FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMIV.1996S/GINSPECTIONPLANSBOBBINCOILINSPECTIONS<00%OFACTIVETUBESFULLLENGTHMRPCCOILINSPECTIONS100%OFACTIVEHLEXPANSIONTRANSITIONS20%OFACTIVECL'EXPANSIONTRANSITIONS20%OFHLDENTEDSUPPORTINTERSECTIONSSELECTEDBOBBININDICATIONS(DIAGNOSTIC)

I~~FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMIV.1996S/6INSPECTIONPLANSIN-SITUPRESSURETESTSEVERALSIGNIFICANTFLAWSAXIAL5CIRCUMFERENTIALINSTALLEDPLUGINSPECTIONSLOCATIONE.CONDITIONWESTINGHOUSEALLOY600PLUGSFRAMATOME"PAP"ALLHOTLEGPLUGSnrc496.wpa

FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNITISTEAMGENERATORPROGRAMV.SUMMARYCONSERVATIVEPROGRAMHISTORYPROACTIVERESPONSETOLEAKAGEPREVENTIVEPLUGGINGPROACTIVEINSPECTIONSNOMID-CYCLEOUTAGESSINCE1986BOBBINTECHNIQUEEXCEEDSAPPENDIXHCONSERVATIVEAPPROACHONDRiL'DPLATESREPLACEMENTSCHEDULEDFORSPRING1998nrc496.wpa FPLPRESENTATIONTONRC-APRIL22,1996ST.LUCIEUNIT1STEAMGENERATORPROGRAMV.SUMMARYREPLACEMENTS/GFEATURESSAMEFORM,FIT&FUNCTION50.59SAFETYEVALUATIONALLOY690TUBINGALLLATTICEBARSUPPORTS-410SSFLATBARVERTICALSUPPORTSBLOWDOWNHEADERINTEGRALWITHTUBESHEETInrc496.wpd ENCLOSURE2MEETINGBETWEENNRCSTAFFANDFLORIDAPOWER5.LIGHTCOMPANYST.LUCIE,UNIT1APRIL22,1996NameOfficeW.BohlkeG.BoyersK.CraigE.WeinkamM.SchoppmanL.WiensR.CroteauP.RushJ.NorrisB.SheronF.HebdonJ.StrosniderE.SullivanG.HornsethK.KarwoskiJ.TsaoFPLFPLFPLFPLFPLNRCNRR/PDII-2NRR/EMCBNRR/PDII-INRR/DENRR/PDII-3NRR/DE/EMCBNRR/DE/EMCBNRR/DE/EMCBNRR/DE/EMCBNRR/DE/EMCB Ilg