ML17229A916

Proposed Tech Specs Pages,Replacing Insert-A,attachment to 971231 Submittal & Revises LCO 3.4.9.11 & Associated Bases

ML17229A916
Person / Time
Site:	Saint Lucie
Issue date:	11/25/1998
From:	FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17229A915	List: ML17229A914 ML17229A916
References
NUDOCS 9811270124
Download: ML17229A916 (3)

Text

e~sjl~~.L-98-294AttachmentREFUELINGOPERATIONSLIMITINGCONDITIONFOROPERATION3.9.11iThe.SpentFuelStorage:Poolshallbe.rmaintain'ed'.with:*agTihe:fu'elstorage.poolwaterlevel'-'greaterthanorequalto23ftoverthe.topoftrraalate"fuelaslsemblies.:seate'diinthestorageracks;andg~fhe1'uel,:storagepo'oTboroncon'centrationgreater,.thanor,squat,toT720ippmJAPPLICABILITY:Wheneverirradiatedfuelassembliesareinthespentfuelstoragepool.ACTION:gasWiththewttferlev'elrequirementeHtist~pecTfteastieitnotsatisfied,jininediateltfsuspendallmovementoffuelassembliesandcraneoperationswiihloadsinthefuelstorageareasandrestorethewaterleveltowithinitslimitwithin4hours.IWith,:;;the:;.,boron'.,'concentrationrequire'ment:not':::,satIsfied,Immediately.suspend,,:,'almovementioffuelassemblies-.inthefuel.storage'pooland.initia'te.action-torestore:fuestoriage,pioioi:boionconcentrationtowithinthe"ruequIred:limiitIk9TIhe'provisionsofSpecification3.0.3arenotapplicable~<SURVEILLANCEREQUIREMENTS4.9.11Thewaterlevelinthespentfuelstoragepoolshallbedeterminedtobeatleastitsminimumrequireddepthatleastonceper7dayswhenirradiatedfuelassembliesareinthefuelstoragepool.4.0;11.1-'Verifythfuelstoragepoolboronconcentrawtioii:iswithin,:[imitatleastonceperT,daysiST.LUCIE-UNIT23/49-12Amenmdment'Aoj98ii270i2498ii25PDRADOCK0500039PfDK EFUELINGOPERATIONSBASES3/4.9.10and3/4.9.11MATERLEVEL"REACTORVESSELandSTORAGEPOOLspy%'uc,lTherestrictionsonminimumwaterlevelensurethatsufficientwaterdepthisavailabletoremove99%oftheassumed10%iodinegapactivityreleasedfromtheruptureofanirradiatedfuelassembly.Theminimumwaterdepthisconsistentwiththeassumptionsofthesafetyanalysis.3/4.9.12SPENTFUELCASKCRANEThemaximumloadwhichmaybehandledbythespentfuelcaskcraneislimitedtoaloadedmulti-elementcaskwhichisequivalenttoapproximately100tons.Thisrestrictionisprovidedtoensurethestructuralintegrityofthespentfuelpoolintheeventofadroppedcaskaccident.Structuraldamagecausedbydroppingaloadinexcessofaloadedmulti-elementcaskcouldcauseleakagefromthespentfuelpoolinexcessofthemaximummakeupcapability.ThelimitonsolubleboronconcentrationinLCO3/4.9.iiisconsistentwiththeminimumboronconcentrationspecifiedfortheRWT,andassuresanadditionalsubcriticalmargintothevalueof+iwhichiscalculatedinthespentfuelstoragepoolcriticalitysafetyanalysistosatisfytheacceptance,)criteriaofSpecification5.6.1.Inadvertentdilutionofthespentfuelstoragepoolbythequantityof,unboratedwaternecessarytoreducethepoolboronconcentrationtoavaluethatwouldinvalidatethei;criticalitysafetyanalysisisnotconsideredtobeacredibleevent.Thesurveillancefrequencyspecified-forverifyingtheboronconcentrationisconsistentwithNUREG-1432andsatisfies,inpart,acceptance,!'criteriaestablishedbytheNRCstaffforapprovalofcriticalitysafetyanalysismethodsthattakecredit'orsolubleboroninthepoolwater.TheACTIONSrequiredforthisLCOaredesignedtoprecludean,'ccidentfromhappeningortomitigatetheconsequencesofanaccidentinprogress,andshallnot,i"precludemovingafuelassemblytoasafeposition.ST.LUCIE-UNIT2B3/49-3Aeegdne<4-Ro.

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