ML17332A722

Proposed Tech Specs Re Allowance of Limited Purge Operation in Modes 1,2,3 & 4 for Pressure Control,Alara & Respirable Air Quality Consideration for Licenses DPR-58 & DPR-74

ML17332A722
Person / Time
Site:	Cook
Issue date:	03/31/1995
From:	INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML17332A721	List: ML17332A720 ML17332A722
References
NUDOCS 9504060201
Download: ML17332A722 (14)

Text

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h'I<guA<zrp'ods(~ArzWs z~~</~yg~f~guet'vlcc,w&d T~riLIMITINGCONDITION FOROPERATION A~8AAiaznd+UM'cTiv'>>I~.

3.6o1.7-whes'omorethanonepurgesupplypathandonepurgeexhaustpathshallbeopenatatimeAPPLICABILITY:

MODES1,2,3,and4oACTION:&oWithonecontainment purgesupplyand/oroneexhaustisolation valveinoperable, isolatetheaffectedpenetration byuseofatleastoneautomatic valvesecuredintheclosedposition,

.and,within72hours,either:2)Restorethe'inoperable valvetoOPERABLEstatus,or,~.Deactivate theautomatic valvesecuredintheclosedposition.

b.Operation maythencontinueuntilperformance ofthenextrequiredvalvetestprovidedthattheautomat'c valvesecuredintheclosedpositionisverifiedtobedeactivated intheclosedpositionatleastonceper31days.c.OtherT<se, beinatleastHOTSTA%)BYwithinthenext6hoursandinCOLDSiHFZEOWN withinthefollowing 30hours.d.Theprovisions ofSpecification 3.0,4arenotappl'cable.

PSURVEILLAf CEREQUIRE%'AATS 4.6.1.7.1 Thesurveillance requirements ofTechnical Specification 3/4.6.3.1 apply.0.C.COOK-UNii1OOZINP3/46-9aAmendment Ho.~

CFiiTAZKilSinai..S3hSc.S3/4.6.1.7CONTRAIL~iPURGZAHD~USilSQLA~'ZQH VALV=S~i"sspec"<<icacioaaasuzeshacchacoacsie"pu~esupplyaadexhausciaolacion valvesazaclosedEozcheaa$oricyoichec'-edur'aoxmaLope~c"oa.o~~O4(VO4u5'~)4~41st~54ems-Theconcaiamenc purgesystemisdesignedinaccordance Wrhcherequir~cs oiNRCBranchTechnical PosicioaCS36-4,Rev.l.Thmfdalades, baadsaae!deIdeedea,eaeaelysdsaeeheIaaeacae/~aaECCSpeioz~ce,aaevaluacioa oicheradiological ceoueacsoradesignbasisaccideac+hi'e+~Qgj,andlimiciagoperacioa cousingnomorechanonesupplypachaadoaeeWauscpachacac""e.Thepurgeisolacion valveshavebeendemonscraced capableoiclosiagaga~cchedynamiaiozcesassooiaced sichaloss-oi-coolaac accideacaadaassuredoireceivtag aConcainmenc VeacQacioa Isolacioa si~a&re-coal TheuSeoPchepressuzezeliei(veac)lineisallayedforcoacainmeac pressurecoaczol+Opsyqeyd>>'ld>>)7/~de~QPgtAi+~~T'yg@QQ TQPlhPPorrP~cssut'e

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CONTAINMENT SYSTEMSCONTAINMENT VENTILATION SYST~eC'mar~r+ue<CSuPrf~p/a+57~yp.jsifa~c8eCc.os~~N~~d4~4riWoa'HdCo&TAi&W~7 P~escsVsr~isa~uj~s74-p~<<i~<>,gayZMpl~BM'lp yugc.l>yp~sja~ari

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&rd+SuiVcsl/cWC8 geSM5IITNGCONDITION FOROPERATON'~4(g~urpfeil~d ACvlJ(TIES'.

3.6.1.7Nomorethanonepurgesupplypathandonepurgeexhaustpathshallbeopenatatime.~CTION:a.Withonecontainment purgesupplyand/oroneexhaustisolation valveinoperable, isolatetheaffectedpenetration byuseofatleastoneautomatic valvesecuredintheclosedposition, and,within72hours,either:1)Restoretheinoperable valvetoOPERABLEstatus,or,2)Deactivate theautomatic valvesecuredintheclosedposition.

b.Operation maythencontinueuntilperformance ofthenextrequiredvalvetestprovidedthattheautomatic valvesecuredintheclosedpositionisverifiedtobedeactivated intheclosedpositionatleastonceper31days.c.Otherwise, beinatleastHOTSTANDBYwithinthenext6hoursandinCOLDSHUTDOWNwithinthefollowing 30hours.d.Theprovisions ofSpecification 3.0.4arenotapplicable.

SURV~LANCEREUREMENTS4.6.1.7.1 Thesurveillance requirements ofTechnical Specification 3/4.6.3.1 apply.COOKNUCLEARPLANT-UNIT23/46-9aAMENDMENT NO.~

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ATTACHMENT 3TOAEP:NRC:1185 PROPOSEDREVISEDTECHNICAL SPECIFICATION PAGES 3/4LIMITINGCONDITIONS FOROPERATION ANDSURVEILI.ANCE REQUIREMENTS 3/4.6CONTAINMENT SYSTEMSCONTAINMENT VENTILATION SYSTEMLIMITINGCONDITION FOROPERATION 3.6.1.7Thecontainment purgesupplyandexhaustsystemshallbeclosedexceptwhenoperation ofthecontainment purgesystemisrequiredforpressurecontrol,ALARA,andrespirable airqualityconsiderations forpersonnel entry,andforsurveillance testingandmaintenance activities.

Nomorethanonepurgesupplypathandonepurgeexhaustpathshallbeopenatatime.APPLICABILITY:

MODES1,2,3,and4.ACTION:Withonecontainment purgesupplyand/oroneexhaustisolation valveinoperable, isolatetheaffectedpenetration byuseofatleastoneautomatic valvesecuredintheclosedposition, and,within72hours,either:1)Restoretheinoperable valvetoOPERABLEstatus,or,2)Deactivate theautomatic valvesecuredintheclosedposition.

b.Operation maythencontinueuntilperformance ofthenextrequiredvalvetestprovidedthattheautomatic valvesecuredintheclosedpositionisverifiedtobedeactivated intheclosedpositionatleastonceper31days.Otherwise, beinatleastHOTSTANDBYwithinthenext6hoursandinCOLDSHUTDOWNwithinthefollowing 30hours.d.Theprovisions ofSpecification 3.0.4arenotapplicable.

SURVEILLANCE REUIREMENTS 4.6.1.7.1 Thesurveillance requirements ofTechnical Specification 3/4.6.3.1 apply.COOKNUCLEARPLANT-UNIT 1Page3/46-9a J~~~

3/4BASES3/4.6CONTAINMENT SYSTEMS3/4.6.1.7 CONTAINMENT PURGEANDEXHAUSTISOLATION VALVESThisspecification ensuresthatthecontainment purgesupplyandexhaustisolation valvesareclosedforthemajorityofthetimeduringnormaloperation.

Itallowsforcontainment PURGINGtosupportpressurecontrol,ALARA,andrespirable airqualityconsiderations forpersonnel entry,andforsurveillance testingandmaintenance activities upto240hourseachyearforeachunit.Thecontaintnent purgesystemisdesignedinaccordance withtherequirements ofNRCBranchTechnical PositionCSB64,Rev.1.Thisincludes, butisnotlimitedto,ananalysisoftheimpactofPURGINGonECCSperformance, anevaluation oftheradiological consequences ofadesignbasisaccidentwhilePURGING,andlimitingPURGEoperation tousingnomorethanonesupplypathandoneexhaustpathatatime.Thepurgeisolation valveshavebeendemonstrated capableofclosingagainstthedynamicforcesassociated withaloss-of-coolant accidentandareassuredofreceiving aContainment Ventilation Isolation signal.Therefore, theSITEBOUNDARYdoseguidelines of10CFR100wouldnotbeexceededintheeventofanaccidentduringcontainment PURGINGoperations.

Theuseofthepressurerelief(vent)lineisallowedforcontainment pressurecontrol.COOKNUCLEARPLANT-UNIT 1PageB3/46-2a<WIENDliIENT 66 V~

tt3/4LIMITINGCONDITIONS FOROPERATION ANDSURVEILLANCE REQUIREMENTS 3/4.6CONTAINMENT SYSTEMSCONTAINMENT VENTILATION SYSTEMLIMITINGCONDITION FOROPERATION 3.6.1.7Thecontainment purgesupplyandexhaustsystemshallbeclosedexceptwhenoperation ofthecontainment purgesystemisrequiredforpressurecontrol,ALARA,andrespirable airqualityconsiderations forpersonnel entry,andforsurveillance testingandmaintenance activities.

Nomorethanonepurgesupplypathandonepurgeexhaustpathshallbeopenatatime.APPLICABILITY:

ACTION:MODES1,2,3,and4.a.Withonecontainment purgesupplyand/oroneexhaustisolation valveinoperable, isolatetheaffectedpenetration byuseofatleastoneautomatic valvesecuredintheclosedposition, and,within72hours,either:1)Restoretheinoperable valvetoOPERABLEstatus,or,2)Deactivate theautomatic valvesecuredintheclosedposition.

b.Operation maythencontinueuntilperformance ofthenextrequiredvalvetestprovidedthattheautomatic valvesecuredintheclosedpositionisverifiedtobedeactivated intheclosedpositionatleastonceper31days.c.Otherwise, beinatleastHOTSTANDBYwithinthenext6hoursandinCOLDSHUTDOWNwithinthefollowing 30hours.d.Theprovisions ofSpecification 3.0.4arenotapplicable.

SURVEILLANCE REUIREMENTS 4.6.1.7.1 Thesurveillance requirements ofTechnical Specification 3/4.6.3.1 apply.COOKNUCLEARPLANT-UNIT 2Page3/46-9a 3/4BASES3/4.6CONTAINMENT SYSTEMS3/4.6.1.7 CONTAINMENT PURGEANDEXHAUSTISOLATION VALVESThisspecification ensuresthatthecontainment purgesupplyandexhaustisolation valvesareclosedforthemajorityofthetimeduringnormaloperation.

Itallowsforcontainment PURGINGtosupportpressurecontrol,ALARA,andrespirable airqualityconsiderations forpersonnel entry,andforsurveillance testingandmaintenance activities upto240hourseachyearforeachunit.Thecontainment purgesystemisdesignedinaccordance withtherequirements ofNRCBranchTechnical PositionCSB64,Rev.1.Thisincludes, butisnotlimitedto,ananalysisoftheimpactofPURGINGonECCSperformance, anevaluation oftheradiological consequences ofadesignbasisaccidentwhilePURGING,andlimitingPURGEoperation tousingnomorethanonesupplypathandoneexhaustpathatatime.Thepurgeisolation valveshavebeendemonstrated capableofclosingagainstthedynamicforcesassociated withaloss-of-coolant accidentandareassuredofreceiving aContainment Ventilation Isolation signal.Therefore, theSITEBOUNDARYdoseguidelines of10CFR100wouldnotbeexceededintheeventofanaccidentduringcontainment PURGINGoperations.

Theuseofthepressurerelief(vent)lineisallowedforcontainment pressurecontrol.COOKiiUCLEARPLANT-UNIT 2PageB3/46-2aAivtEiIDiMENT 47.