ML17207A675

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Response to Intervenor Interrogatories.Lists sys-wide & Offsite Power Disturbances Occurring within Past 10 Yrs. States Reasoning for Not Interconnecting W/Ga Power Co. Certificate of Svc Encl
ML17207A675
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 12/07/1979
From: PEARSON O F
FLORIDA POWER & LIGHT CO.
To:
References
NUDOCS 7912270098
Download: ML17207A675 (12)


Text

UNITEDSTATFSOFAMERICANUCLEARREGULATORYCOMMISSIONBEFORETHEATOMICSAFETYANDLICENSINGAPPEALBOARDIntheMatterof))FLORIDAPOMER5LIGHTCOMPANY))(St.LucieNuclearPowerPlant,)UnitNo.2)DOCKETNO.50-389FLORIDAPOlJER5LIGHTCOMPANY'SANSlJERSTOINTERVENORS'NTERROGATORIESTOFLORIDAPOllER5LIGHTCOMPANY 01.HowmaysystemwidepowerfailuresormajorelectricalblackoutshaveoccurredintheFPLsystemduringthepast10years?Forpurposesofevaluation,pleaselistanyelectricsystemdisruptionsthatwereeithersystemwide,wereconsideredmajoroutages,consistedofsomanyscatteredblackoutsinclosetimesequencethatconstitutedasubstantialsystemdisruption,involvedtrippingofflineofoneormorepowergeneratingstationsintheFPLsystemorresultedinthefailure.ofonsitepowertoanyFPLgeneratingplant.Pleaseprovidethedateoftheoccuranceorsequenceofoccuiances,thedurationoftheoutageandthelocationoftheaffectedareas.ThefollowingisasummaryofmajordisturbancesontheFPLsystem'uringthepasttenyears:Date1/28/698/05/698/18/714/03/734/04/736/23/7312/08/733/01/744/25/746/28/745/16/775/14/783/17/794/04/795/04/796/21/798/03/79Duration1hr.08min.5hr.22min.17min.6hr.33min.3hr.36min.1hr.45min.2hr.22min.2hr.04min.1hr.39min.56min.4hr.36min.8min.20min.20min.43min.17min.18min.FPLLoadShed255N1J568NlI131NH1230I'll'I1330NH2190MH216NH197MH850NH2250MH1544NH180Ml'I105NH470Nll250NH128NH240NlJAreaAffectedSH(systemwide)SF(SouthFlorida)SFSFSFSHSFSHSWSFSFSFSHSHSHSFSH=

2.(Interrogatoryf2treatsoffsitepowerfailureswithemphasesontheireffectonFPLpowergeneratingplants.)PleaselistallelectricblackoutsorpowerfailuresinthepasttenyearsthatcausedaninterruptionintheflowofoffsitepowertoanyFPLelectricgeneratingplantsite,whetheroperationalatthetimeorunderconstruction,repair,orincoldshutdownorstandbycondition.Identifywithparticularity,thedateoftheoccurance,theidentityoftheplantsoaffected,thedurationoftheoutageandthescopeofthepower'failureintheFPLsystemasrelatedtooutageattheotherFPLplants.Thefollowingisalistofthedisturbanceswhichresultedinthelossofoft-sitepowertopowerplantstogetherwiththerestorationtimes,inminutes,.encountered,ineachinstance.PowerPlantDisturbance4/3/73~44/73/16/775/14/78CutlerFt.LauderdalePt.EvergladesRiviera3017224013318(98(2043'58(17303251.7St.Lucie1*817TurkeyPoint20*238(43538(77*Restoredoff-sitepowertostationbusthoughPlantOperatorelectedtoremainondieselpower.

3.Pleasestate,why,initseffortstoachievegreatersystemreliabilitytheFloridaPowerandLiohtCompanyfailstoprovidea500kvintertieorgreatertotheGeorgiaPowerCorporationandtheeasternUnitedStateselectricalgridsystem.WouldsuchanintertieorsystemofintertiesprovidegreatersystemreliabilityintheFPLsystem?Ifnotwhynot?A500kVtiewithGeorgiaisstillintheplanningstages.A500kVintertieorsystemofintertieswouldnotprovidegreatersystemreliabilityintheFPLsystemuntiladditionaltransmissionexpansionnowunderwayandplannediscompleted.Transmissionexpansionnowunderwayandscheduledforcompletionin1980,includesa230kVtietoGeorgiaand500kVlinesfromLeveeintheMiamiareanortherlythroughAndytownandl3artin(thesitesfortwonewfossilgenerators)toYiidway.These500kVlineswillcloselytietheentireSouthFloridaareafromourSt.LuciePlanttoDadeCounty-intoastrong,tightlyintegratednetworkwithfurtherimprovementinsystemreliability.Afurtherexpansionofthe500kVgridinFloridaispresentlyscheduledforcoripletion.in1985.Anew500kVlinewilltieourMidwaystationto'anew'-500'Vstation.'tobebuiltaroundLakePoinsett.

4.Wouldprovisionofthe500kvintertietotheEasternU.S.electricalgridobviatetheneedforanyadditionalgeneratingcapacityintheFPLsystem.Iftheanswerisaffirmative,inincrementsof250kvperinterties,howmanymegawattsofbaseloadgeneratingcapacityintheFPLsystemwouldbeobviatedora250kvinterties,a500kvinterties,a750kvinterties?Objection.Thisquestionappearstorelatetotheissueofneedforpower,whichhasbeenpreviouslydecidedintheseproceedingsandisnotpresentlypendingbeforetheBoard.

5.ThetestimonyofNRCStaffwitnessR.FitzpatrickindicatesthestartuprecordofauxiliarydieselgeneratorstoprovideemergencyonsitepowerattheSt.LucieUnit1PowerPlantissub-standard.WhatreasonsareknowntotheFPLCompanyfortheexistenceofthissub-standardstartuprecord.Towhatextentdoestheplantsproximitytotheoceanicmarineenvironmentaffecttheperfor-mancereliabilityofthesedieselgeneratorsandwhatifanyprotectiveor.*remedialmeasuresarebeingtakenbytheutilitycompany?ThetestimonyofRobertG.FitzpatrickdoesnotindicatethattheSt.LucieUnit1dieselgeneratorstartuprecordis"sub-standard".ThetestimonystatedthattheunavailabilityoftheUnit1onsitesystemshadbeengreaterthanthatconsideredacceptabl'ebyNRCstaffguidelineswhichhadbeendevelopedsubse-quenttothelicensingreviewofUnit1(FitzpatrickAffidavitJune12,1978,p.6).Seven(7)failuretostartincidentsatSt'.LucieUnit1aredescribedinFPLprefiledtestimony(FluggerP.21).Thereasonsforeachoftheseincidentsincludeacloggedairsolenoidvalveandairline,incorrectairvalvealignment,turbochargermalfunctions(2),dirtyfuelracklinkage,overspeedtripnotresetbyoperator,anddirtytiebreakerrelaycontacts.TherehavebeennoperformanceproblemswiththeUnit1dieselsasaresultofproximitytoamarineenvironment.Thesametypeofengineisroutinelyusedinmarineservice.

6.1lhileHurricaneDavidapproachedSouthFlorida,CharlesScheer,FPLcorporatespokesmanisreportedinthepresstohavestated"theCompanywouldcontinuetooperatetheplantsduringahurricane".(SeePalmBeachPost,Thursday,August30,1979P.C2).Yet,duringthepre-dawnhoursasthehurricaneapproached,theHutchinsonIslandsite,FPLpersonneldecidedtoshutdowntheSt.LucieUnit1reactor.HhydidthisdiscrepancyinFPLpointofviewexist.Hasthecompanychangedorestablishedpolicysuchthatitwillshutdownreactorsduringhurricanes?WhatistheFPLpolicyconcerningreactoroperationduringpassageofamajorhurricanewherelandfallisprojectedtobeincloseproximitytotheplantsite?Specifically,whydidthecompanyshutdownSt.LucieUnit1duringthepassageofHurricaneDavid?FPLbasesitsdecisiononwhetherornottooperateitsnuclearplantsduringahurricaneuponanevaluationofthestorm'spathandtheforecastedgridload.Nr.Scheer'sstatementwasreportedonAugust30,1979,beforethepathofthestormhadbeenevaluated.Asubsequentevaluationindicatedthedesirabilityforlowgeneratingcapacitywiththeflexibilitytoacceptrapidloadchangesandthattheserequirementscouldbebettermetbythefossilplants.Therefore,thenuclearplantswereplacedincoldshutdown.

7.ItisreportedinthePalmBeachPostofSeptemberI,1979,thatduringthepassageofHurricaneDavidattheSt.LuciesiteonHutchinsonIsland,aconstructioncranesegmenttoppledfromtheUnit2containmentbuildingandknockedoutUnitI'slead-inauxiliarytransformerline.llh'ataretheimplicationsofthiseventasrelatestoplantsafetyandavailabilityofonsitepower?~OnSeptember3,1979duringthepassageofHurricaneDavid,acablefromtheUnit2constructioncranefellacrossthelinesbetweenthe"B"startuptransformerandtheswitchyard.St.Lucie1isequippedwithtwostartuptransformerssooffsitepowerwasnotlost.Atthetimeoftheseeventstheplantwasinacoldshutdowncondition(Seeresponse.toquestion6).Astickingrelaydidnotallowthe"B"dieselgeneratortostartautomatically.Animmediatemanualstartcouldhavebeeneffectedbutwasnotrequired.Aconservativeprocedurewasfollowedtoplacethe"B"dieselbackinservice.Thestickingrelaywassubsequentlyreplaced.SufficientACpowerwasavailableonsiteatalltimesviathe"A"startuptransformer.The"A"dieselgeneratorwasavailablebutwasnotrequiredtostartsinceoffsitepowerhadnotbeenlost.

8.PleaseprovidethetestresultsandperformancerecordsoftheSt.LucieUnit1auxiliarydieselgeneratorsforstartupreliabilityuptothepresentdate.Pleaseprovideresultsoriginatingfromthefirstin-servicedateandnotate-allrelevantdate.Objection.Theterms"testresultsandperformancerecords"arenotdefined.Theinformationtowhichtheyapparentlyreferisreflectedinasubstantialamountofmaterial,somemaintainedattheplant'siteandsomeinMiami.TheseincludeLicenseeEventReports,recordsof.surveillancetests,andlogbookentries.Provisionof"testresultsandperformancerecords",as'requested,wouldthereforerequirethecompilationofasubstantialamountofmaterial.LicenseeEventReportsareavailableforinspectioninthelocalPublicDocumentRoom.FLORIDAPOWER8(LIGHTCOMPANYBy(--:GMOrlnF.Pearson,DirectorLicensingandEnvironmentalPlanningSTATEOFFLORIDA))ss..COUNTYOFDADE)OrinF.Pearson,beingfirstdulysworn,deposesandsays:ThatheisDirectorofLicensingandEnvironmentalPlanningofFloridaPower5LightCompany,thePermitteeherein;Thathehasexecutedtheforegoingdocument;thatthestatementsmadeinthissaiddocumentaretrueandcorrecttothebestofhisknowledge,information'ndbelief,andthatheisauthorizedtoexecutethedocumentonbehalfofsaidPermittee.Subscribedandsworntobeforemethisdayof1979~(~,)I)NOTARYPUBLIC,inandfortheCountyofD~ge,StateofFloridalil~L,FlOTAllYPUGLlCSTATEOFFLORIDA~~4LARGEh1YCOMMISSIONEXPIRESAUCVST2()iI'l&lMyCOmmiSSiOneXPireS:RohDFD'HRDhlATlAnDDc:!D't'GAGEYcY UNITEDSTATESOFAMERICANUCLEARREGULATORYCOMMISSIONBEFORETHEATOMICSAFETY5LICENSINGAPPEALBOARDIntheHatterof:))FLORIDAPONER8(LIGHTCOMPANY))(St.LucieNuclearPowerPlant,)Unit2))DocketNo.50-389CERTIFICATEOFSERVICEIHEREBYCERTIFYthattrueandcorrectcopiesoftheforegoinghavebeenservedthis7thdayofDecember,1979,onthepersonsshownontheattachedservicelistbydepositintheUnitedStatesmail,properlystapedandaddressedy/-NONNA.COLLSTEEHECTOR5DAVIS1400S.E.FirstNationalBankBuildingl'miami,Florida33131Telephone:(305)577-2863December7,1979 UNITEDSTATESOFAMERICANUCLEARREGULATORYCOMMISSIONBEFORETHEATOMICSAFETY5LICENSINGAPPEALBOARDIntheMatterof:FLORIDAPOWER8(LIGHTCOMPANY(St.LucieNuclearPowerPlant,Unit2)DocketNo.50-389SERVICELISTMr.C.R.StephensSupervisorDocketingandServiceSectionOfficeoftheSecretaryoftheCommissionNuclearRegulatoryCommissionWashington,D.C.20555MichaelC.Farrar,EsquireChairmanAtomicSafety8LicensingAppealBoardNuclearRegulatoryCommissionWashington,D.C.20555Dr.WEReedJohnsonAtomicSafety5LicensingAppe'alBoardNuclearRegulatoryCommissionWashington,D.C.20555RichardS.Salzman,EsquireAtomicSafety8LicensingAppealBoardNuclearRegulatoryCommissionWashington,D.C.20555AlanS.Rosenthal,EsquireChairmanAtomicSafety5LicensingAppealPanelNuclearRegulatoryCommissionWashington,D.C.20555EdwardLuton,EsouireChairmanAtomicSafety8LicensingBoard.PanelNuclearRegulatoryCommissionWashington,D.C.20555MichaelGlaser,EsquireAlternateChairmanAtomicSafety8LicensingBoard1'15017thStreet,NWWashingtonD.C.20036Dr.MarvinM.MannTechnicalAdvisorAtomicSafety8LicensingBoardNuclearRegulatoryCommissionWashington,D.C.20555Dr.DavidL.HetrickProfessorofNuclearEngineeringUniversityofArizonaTucson,AZ85721Dr.FrankF.HooperChairmanResourceEcologyProgramSchoolofNaturalResourcesUniversityofMichiganAnnArbor,MI48104 Hr.AngeloGiambussoDeputyDirectorforReactorProjectsNuclearRegulatoryCommissionWashington,D.C.20555WilliamD.Paton,EsquireCounselforNRCRegulatoryStaffNuclearRegulatoryCommissionWashington,D.C.20555tlartinHaroldHodder,Esquire1130NE86StreetMiami,FL33138HaroldF.Reis,EsquireLowenstein,Newman,Reis,Axelrad5Toll1025ConnecticutAvenue,N.W.Washington,D.C.20036WilliamJ.Olmstead,EsquireNuclearRegulatoryCommissionWashington,D.C.20555LocalPublicDocumentRoomIndianRiverJuniorCollegeLibrary.3209VirginiaAvenueFt.Pierce,FL33450JamesR.TourtellotteCounselforNRCRegulatoryStaffNuclearRegulatoryCommissionWashington,D.C.20555