ML17228A570

Proposed TS Section 3/4.7.1.1,turbine Cycle,Safety Valves, Deleting Ref to 1974 Edition of ASME Code & Referring to Testing in Accordance W/Ts 4.0.5,ISI & IST Spec

ML17228A570
Person / Time
Site:	Saint Lucie
Issue date:	05/23/1994
From:	FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17228A568	List: ML17228A567 ML17228A570
References
NUDOCS 9406010046
Download: ML17228A570 (11)

Text

INDEXLISTOFTABLES{Continued)$$$$$$$$$$$$'$$$$$'$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$TABLE3.7-1PAGMAXIMUMALLOWABLELINEARPOWERLEVEL-HIGHTRIPSETPOINTWITHINOPERABLESTEAMLINESAFETYVALVESDURINGOPERA-TIONWITHBOTHSTEAMGENERATORS......................3/47-24.7-1STEAMLINESAFETYVALVESPERLOOP...SECONDARYCOOLANTSYSTEMSPECIFICACTIVITYSAMPLEANDANALYSISPROGRAM..~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~3/47-33/47-84.7-23.7-3a3.7-3b3.7-43.7-54.8-14.8-23.8-1SNUBBERVISUALINSPECTIONINTERVAL....................3/47-22ELETED~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~DELETED......DFIREHOSESTATIONS....................................3/47-263/47-273/47-36MOTOR-OPERATEDVALVESTHERMALOVERLOADPROTECTIONBYPASSDEVICES........................................3/48-18YARDFIREHYDRANTSANDASSOCIATEDHYDRANTHOSEHOUSES3/47-38DIESELGENERATORTESTSCHEDULE......"..................3/48-8BATTERYSURVEILLANCEREQUIREMENT...'...................3/48-124.1')-1RADIOACTIVELIQUIDWASTESAMPLINGANDANALYSISROGRAH~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~P3/411-24.11-2RADIOACTIVEGASEOUSWASTESAMPLINGANDANALYSISROGRAM~~~~~~~~~~~~~~~~~o~~~~~~~~~~~~~~~~~~~~~~~~~~~~~P3/411-83.12-13.12-24.12-1RADIOLOGICALENVIRONMENTALMONITORINGPROGRAM.........3/412-3REPORTINGLEVELSfORRADIOACTIVITYCONCENTRATIONSINFNVIRONHENTALSAMPLES.................................3/412-7DETECTIONCAPABILITIESFORENVIRONHENTALSAMPLEB3/4.2-1NALYSISoi~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~AELETED~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~i'~~~~~DB3/4..4-1REACTORVESSELTOUGHNESS..............................3/412-8B3/42-3B3/44-95.7-16.2-1MINIMUMSHIFTCREWCOHPOSITION-TWOUNITSWITHTWOSEPARATECONTROLROOMS6-5COMPONENTCYCLICORTRANSIENTLIMITS..................5-59406010046940523PDRADDtK05000389iPDR,~~"ST.LUCIE-UNIT2XXVAmendmentNo.S,.M53

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~~a3/4.7PLANTSYSTBtS3/4.7.1TURBINECYCLESAFETYVALVESLrCrTINGCONDITIONFOROPERATION9.7.1.1AllmainsteamlinecodesafetyvalvesshallbeOPERABLE~cui4/R'r.pAPPLICABILITY:MODES1,Zand3.ACTION:a.Withbothreactorcoolantloopsandassociatedsteamgeneratorsinoperationandwithoneormoremainsteamlinecodesafetyvalvesinoperable,operationinMODES1,2and3mayproceedprovidedthat,within4hours,eithertheinoperablevalveisrestoredtoOPERABLEstatusorthePowerLevel-HightripsetpointisreducedperTable3.7-1;otherwise,beinatleastHOTSTANDBYwithinthenext6hoursand'inCOLDSHUTDOWNwithinthefollowing30hours.b.TheprovisionsofSpecification3.0.4arenotapplicable.SURVEILLANCEREQUIREMENTS4.7.1.EchminsamliecodesfetyvalshalledemontratedPERA(E,w~thJlifsettngsndoricesizasshowinTab4.7-0inacrdanwigSeionIotheNEBoileandPresureYeselCod,1974dftio.rt4cac/HiXjo~alJo'der<'y'<rvcwrEe~~y~d~w~pJo7g~~"">"-~~v~~.-ST.LUGIE-UNIT23/47-1AmendmentNo8 Jlh VALVENUMBER37-2TABLESTEANLINESAFETYVALVESPERLOOPLIFTSETTING1%ORIFICESI2Ea.e.8202020382048209821082118212.8206820782088213821482158216HeaderAHeaderB820182051000psia1000psia1000psia1000psia1040psia1040psia1040psia1040psia16in.216in.216in.16in.16in.16in.216in.216in.

St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentAdministrativeChanetoDeleteASMECodeReferenceATTACHMENT2SAFETYANALYSISIntroductionAchangeisproposedtorevisetheSt.LucieUnit2TechnicalSpecificationsSection3/4.7.1.1tochangethereferenceto,aspecificeditionoftheASMECodetoareferencetotestinginaccordancewithTechnicalSpecification4.0.5andrenumberthesafetyvalvesetpointTable4.7-0toTable3.7-2.Thelistoftablesintheindexisalsorevised.DiscussionTheproposedchangetotheSt.LucieUnit2TechnicalSpecificationsrevisesthespecificreferencetotheSectionXIoftheASMEBoilerandPressureVesselCode,1974EditiontobesimilartotheUnit1TechnicalSpecificationandconsistentwiththerevisedStandardTechnicalSpecificationsforCombustionEngineeringPlants,NUREG1432.Inaddition,thechangerenumbersthesafetyvalvesetpointtablefromasurveillancetabletoanLimitingConditionforOperation(LCO)table.Surveillancerequirement4.7.1.1currentlystatesthat,eachmainsteamlinecodesafetyvalveshallbedemonstratedOPERABLE,withliftsettingsandorificesizesasshowninTable4.7-0,inaccordancewithSectionXIoftheASMEBoilerandPressureVesselCode,1974Edition.TheEditionoftheASMECodeendorsedforthesecondtenyearintervalforSt.LucieUnit2isthe1986EditionoftheASMECode.ThisproposedchangerelocatesthereferencetothesetpointtabletoLimitingConditionforOperation(LCO)3.7.1.1andrenumbersthetableaccordingly.ThisTechnicalSpecificationchangeeliminatestheneedforfuturechangestotheTechnicalSpecificationbecauseSpecification4.0.5ensuresthatin-servicetestingofASMECodeClass1,2and3pumpsandvalveswillbeperformedinaccordancewithaperiodicallyupdatedversionofSectionXIoftheASMEBoilerandPressureVesselCodeandAddendaasrequiredby10CFR50.55a.

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-St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentAdministrativeChanetoDeleteASMECodeReferenceATTACHMENT3DETERMINATIONOFNOSIGNIFICANTHAZARDSCONSIDERATIONThestandardsusedtoarriveatadeterminationthatarequestforamendmentinvolvesanosignificanthazardsconsiderationareincludedintheCommissionsregulation,10CFR50.92,whichstatesthatnosignificanthazardsconsiderationsareinvolvediftheoperationofthefacilityinaccordancewiththeproposedamendmentwouldnot(1)involveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated;or(2)createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated;or(3)involveasignificantreductioninamarginofsafety.Eachstandardisdiscussedasfollows:(1)Operationofthefacilityinaccordancewiththeproposedamendmentwouldnotinvolveasignificantincreaseintheprobabilityorconsequencesof'anaccidentpreviouslyevaluated.Theproposedamendmentdoesnotinvolveasignificant,increaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluatedbecausethemainsteamcodesafetyvalveswillcontinuetobetestedinaccordancewithcurrentNRCrequirementsasimplementedthrough10CFR50.55a.TheNRCspecifiestheASMEcoderequirements'forafacilitythroughrevisionsto10CFR50.55aandthroughthereviewandapprovaloftheplantspecificin-servicetestingplanforpumpsandvalvesatthebeginningofeachin-serviceinspectioninterval.TheprobabilityorconsequencesofanaccidentarenotincreasedbecausetestingofthemainsteamsafetyvalvesisinaccordancewiththeappropriateNRCrequirements.(2)Useofthemodifiedspecificationwouldnotcreatethepossibilityofanewordifferent,kindofaccidentfromanypreviouslyevaluated.Theuseof,thismodifiedspecificationcannotcreatethepossibilityofanewordifferentkindofaccidentfromanypreviouslyevaluatedsincethereisnophysicalchangetothefacilityorthesetpointsforthemainsteamsafetyvalves.Thevalveswillbetestedinaccordancewithcurrentrequirements.NonewfailuremodeisintroducedduetothechangebecausenoplantchangeisbeingmadeandmainsteamsafetyvalvetestmethodsareconsistentwiththeendorsededitionoftheASMECode.

tfIE~It1" 1'IV"(3)Useofthemodifiedspecificationwouldnotinvolveasignificantreductioninamarginofsafety.TheexistingtechnicalspecificationreferencesanoutdatedversionoftheASMECode.ThischangecorrectsthereferencetoSpecification4.0.5whichensuresthatin-servicetestingofASMECodeClass1,2and3pumpsandvalveswillbeperformedinaccordancewithaperiodicallyupdatedversionofSectionXIoftheASMEBoilerandPressureVesselCodeandAddendaasrequiredby10CFR50.55a.Safetyvalvesetpointsortolerancesarenotchangedbythisproposal.Therefore,themodifiedspecificationcorrectstheASMECodereferenceanddoesnotinvolveasignificantreductioninamarginofsafety.Basedontheabove,wehavedeterminedthattheproposedamendmentdoesnot(1)involveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated,(2)createtheprobabilityofanewordifferentkindofaccidentfromanypreviouslyevaluated,or(3)involveasignificantreductioninamarginofsafety;andthereforedoesnotinvolveasignificanthazardsconsideration.

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