ML17333A830

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Proposed Tech Specs Modifying TS 4.7.5.1.e.2 Which Describes Control Room Ventilation Sys Autostart Functions
ML17333A830
Person / Time
Site: Cook  American Electric Power icon.png
Issue date: 03/26/1997
From:
AMERICAN ELECTRIC POWER CO., INC.
To:
Shared Package
ML17333A829 List:
References
NUDOCS 9704010320
Download: ML17333A830 (12)


Text

>LA.'lTS'ST"-."SSURVEILLANCEREOUIREMEVTS(Continued)Veriyingwithin31daysafterremovalthatalaboratoryanalysisofacarbonsampleobtainedfromatestcanisterdemonstratesaremovalefficiencyof>90"..forradioactivemethyliodidewhenthesampleistestedinaccordancewithANSIN510-1975(130'C,95".R.H.};or2.Verifyingwithin31daysafterremovalthata1:boratoryanalysisofatleasttwocarbonsamplesdemonstratearemovalefficiencyof>90",forradioactivemethyliodidewhenthesamplesaretestedinaccordancewithANSIN510-1975(130'C,95.".R.H.)andthesamplesarepreparedbyeither:a)Emptyingoneentirebedfromaremovedadsorbedtray,mixingtheadsorbentthoroughly,andobtainingsamplesatleasttwoinchesindiameterandwithalengthequaltothethicknessofthebed,orb)Emptyingalongitudinalsamplefromanadsorbertray,mixingtheadsorbentthoroughly,andobtainingsamplesatleasttwoinc'.esindiameterandwithalengthequaltothethicknessofthebed.Subsequenttoreinstallingtheadsorbertrayusedforobtainingthecarbonsample,thesystemshallbedem-onstratedOPERASLEbyalso:a)Verifyingthatthecharcoaladsorbersremove>99"ofahalogenatedhydrocarbonrefrigeranttestgaswhentheyaretestedin-placeinaccordancewithANSIN510-1975whileoperatingtheventilationsystemataflowrateof'000cfm+10".,andb)VerifyingthattheHEPAfilterbanksremove>99%oftheOOPvhentheyaretestedin-placeinaccordancewithANSIN510-1975whileoperatingtheventilationsystemataflowrateof6000cfm+10"..0.C,COOK-UNIT13/47-21e70eo<0320e70S26PDR*DOCK050003i5PPDR PLANTSYSTEMSSURVEILLANCEREUIREMENTSContinuede.Atleastonceper18monthsby:1.VerifyingthatthepressuredropacrossthefiltersandcharcoaladsorberbanksislessWaterGaugevhileoperatingtheventilationrateof6000cfmplusorminus104.combinedHEPAthan6inchestsystemataflov2.3.Verifyingthatthesystemmaintainsthecontrolroomatapositivepressureofgreaterthanorequalto1/16inchW.G.relativetotheoutsideatmosphereatasystemflovrateof6000cfmplusorminus10%.AftereachcompleteorpartialreplacementofaHEPAfilterbankbyverifyingthattheHEPAfiltorbanksremovegreaterthanorequalto99%oftheDOPvhentheyaretestedin-placeinaccordancewithANSIN510-1975whileoperatingtheventilationsystemataflowrateof6000cfmplusorminus1Q%.Aftereachcompleteorpartialreplacementofacharcoaladsorberbankbyverifyingthatthecharcoaladsorbersremovegreaterthanorequalto994ofahalogenatedhydrocarbonrefrigeranttestgasvhentheyaretestedin-placeinaccordancevithANSIN510-1975whileoperatingtheventilationsystemataflovrateof6000cfmplusorminus10%.a.VerifyingtnatonaSafetyInjectionSianalfromUnit1,thesystemautomaticallyoperatesinthepressurization/cleanupmode.b.VerifyingthatonaSafetyInjectionSignalfromUnit2,thesystemautomaticallyoperatesinthepressurization/cleanupmode.COOKNUCLEARPLANT-UNIT13/47-22AMENDMENTNO.)g7.,144.,

0I1 TheUnitlntrolroomemergencyventationsystemoperatesautomaticallyonaSafetyInjectionSignalfromeitherUnit1orUnit2.TheautomaticstartfromUnit2isonlyavailablewhentheUn~t2ESPactuationsystemisactiveinmodeslthrough4inUnit2.PLANTSYSTEMSBASES34.7.5CONTROLROOMEMERGENCYVENTILATIONSYSTEMTheOPERABILITYoITYofthecontrolroomemergencyventilationsystemensuresthatthecontrolroomwilomw11remainhabitableforoperationspersonnelduringandothissysteminfollowingallcredibleaccidentconditi.ons.TheOPERABILITYfconjunctionvithcontrolroomdesignprovisionsisbadlisaseonmitingtheraatonexposuretopersonneloccupyingthecontrolroomto51oremoressy,sequivalent.Thislimitationisconsistentvt.ththerequirementsofGeneralDesignCriteria19ofAppendix"A",10CFR50.Thecontrolroomventilationsystemnormallymaintainsthecontrolterneraturesatwhinanseconeroroomatlant.Cotpeawhichcontrolroomequipmentisqualifiedfortheliffhp.oninuedoperationatcheTechnicalSpecificationlimitiseoceotesincetheortionoPoftimeehetemperatureislikelytobeelevatedi.ssmallinonmtspermittedcomparisontothequalifiedlifeoftheequi,pmentatthelimit.34.7.6ESFVENTILATIONSYSTEMTheOPERABILITYoftheESFventilationsystemensuresthatadsaaequatecoolingorequpmencandthatradioactivemateri,alsleakingfromcheCCSequipmentwithinthepumproomfollowingaLOCAarcfil'arcteredpri.orcogeenvronment.Theoperationofthissyseemandtheresultanteffecconoffsitedosagecalculationsvereassumdithideneacccncanalyses.The1980versionofANSIN510isusedasatestingguide.Th'sdhowever,isintendedtoie.isseanard,toberigorouslyappliedonlytosystemswhich,unliketheESFventilationsystem,aredesignedtoANSIN509daostanrds.Forthespecificcaseoteai.r-aerosolmixinguniformi.tytestrequiredbyANSIN510asaprerequisicetoin-placeleaktestingofcharcoalandHEPAfilters,theair'-aerosoluniformmixintestaccepcancecriteriaverenotrigorouslymet.orthi.sreason,astatisticalcorrectionfa"torvillbeappliedtoaplicablesurveillancecestresuleswhererequired.eoappcae34.7.?SEALEDSOURCECONTAMINATIONThelimicationsonse1totalbodorindivdalcdsourceremovablecontaminationensureththynividualorganirradiationdoesnotexceedallowablelimitsintheeventofingestionorinhalationoftheprobableleaksfheeageromtesourcea.emtationsonremovablacontaminationforsourcesrequiringleaktesting,includingalphaemiceers,isbasedon10CFR70.39(c)limitsforintercsctothisspacifi.cationvhichareexemptfromcheleakagetestingareconsistentviththecriteriaof10CFRParts30.11-20COOKNUCLEARPLANT-UNIT1B3/47-5AMENDMENTNO.gag,gg5,159 CUCotuedB~Atleastonceper18monthsby:1.VerifyingthatthepressuredropacrossthecombinedHEPAfiltersandcharcoaladsorbezbanksislessthan6inchesWaterGaugewhileoperatingtheventilationsystemataflowrateof6000cfmplusorminus10X.2.3.Verifyingthatthesystemmaintainsthecontrolzoomatapositivepressureofgreaterthanorequalto1/16inchV.G.relativetotheoutsideatmosphereatasystemflowrateof6000cfmplusorminus10X.AftereachcompleteorpartialreplacementofaHEPAfilterbankbyverifyingthattheHEPAfilterbanksremovegreaterthanorequalto99XoftheDOPwhentheyaretestedin-placeinaccordancewithANSIN510-1975whileoperatingtheventilationsystemataflowrateof6000cfmplusorminus10X.g-Aftezeachcompleteorpartialreplacementof.acharcoaladsorberbankbyverifyingthatthecharcoaladsorbersremovegreaterthanorequalto99Xofahalogenatedhydrocarbonrefrigeranttestgaswhentheyaretestedin-placeinaccordancewithANSIN510-1975whileoperatingtheventilationsystemataflowrateof6000cfmplusorminus10X.VerifyingthatonaSafetyInjectionSignalfromUnit1,thesystemautomaticallyoperatesinthepressurization/cleanupmode.fVerifyingthatonaSafetyInjectionSignalfromUnit2,thesystemautomaticallyoperatesinthepressurization/cleanupmode.gfTheprovisionsofTechnicalSpecification4.0.8areapplicable.COOKNUCLEARPLANT-UNIT23/4,7-16aAHENDMENTNO.M,~,158 PIANTSYSTEMSBASES34.7.5CONTROLROOMEMERGENCYUENTILATIONSYSTEMTheOPERABILITYofthecontrolroomEMERGENCYventilationsystemensuresthatthecontrolroomvillremainhabitableforoperationspersonnelduringandfollouingallcredibleaccidentconditiona.TheOPERBBELETYcfthiasysteminconjunctionvithcontrolroomdesignprovisi~nsisbasedonlimitingteradiationexposuretopersonneloccupyingthecontrolroomto5remorlessvholebody,oritsequivalent.Thislimitationisconsi.stentviththerequirementsofGeneralDesignCriteri,a19ofAppendix"A",10CFR50.P-~~m)Thecontrolroohventilationsystemnomallymaintainsthecontrolroomattemperaturesatvhi.chcontrolroomequipmentisqualifiedforthelifeofthepant.ContinuedoperationattheTechnicalSpecificationlimitispermittedsincetheportionoftimethetemperatureislikelytobeelevatedi.ssmallincomparisontothequalifiedlifeoftheequipmentatthelimit.TheUnit2controlroomemergencyventilationsystemoperatesautomaticallyonaSafetyInjectionSignalfromeitherUnit1orUnit2.TheautomaticstartfromUnit1isonlyavailablewhentheUnit1ESPactuationsystemisactiveinmodes1through4inUnit1.COOKNUCLEARPLANT-UNIT2B3/47-4aAMENOMENTNOl43 ATTACHMENT3TOAEP:NRC:0398ASPROPOSEDREVISEDTECHNICALSPECIFICATIONPAGES 3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS.3/4.7'LANTSYSTEMSSURVEILLANCEREUIREMENTSContinuedAtleastonceper18monthsby:1.VerifyingthatthepressuredropacrossthecombinedHEPAfiltersandcharcoaladsorberbanksislessthan6inchesWaterGaugewhileoperatingtheventilationsystemataflowrateof6000cfmplusorminus10%.2.a.VerifyingthatonaSafetyInjectionSignalfromUnit1,thesystemautomaticallyoperatesinthepressurization/cleanupmode.b.VerifyingthatonaSafetyInjectionSignalfromUnit2,thesystemautomaticallyoperatesinthepressurization/cleanupmode.Verifyingthatthesystemmaintainsthecontrolroomatapositivepressureofgreaterthanorequalto1/16inchW.G.relativetotheoutsideatmosphereatasystemflowrateof6000cfmplusorminus10%.AftereachcompleteorpartialreplacementofaHEPAfilterbankbyverifyingthattheHEPAfilterbanksremovegreaterthanorequalto99%oftheDOPwhentheyaretestedin-placeinaccordancewithANSI$510-1975whileoperatingtheventilationsystemataflowrateof6000cfmplusorminus10%.Aftereachcompleteorpartialreplacementofacharcoaladsorberbankbyverifyingthatthecharcoaladsorbersremovegreaterth:aorequalto99%ofahalogenatedhydrocarbonrefrigeranttestgaswhentheyaretestedin-placeinaccordancewithANSIN510-1975whileoperatingtheventilationsystemataflowrateof6000cfmplusorminus10%.COOKNUCLEARPLANT-UNITIPage3/47-22AMENDMENT407,444, 3/4BASES3/4.7~PLANTSYSTEMS3/4.7.5CONTROLROOMEMERGENCYVENTILATIONSYSTEMTheOPERABILITYofthecontrolroomemergencyventilationsystemensuresthatthecontrolroomwillremainhabitableforoperationspersonnelduringandfollowingallcredibleaccidentconditions.TheOPERABILITYofthissysteminconjunctionwithcontrolroomdesignprovisionsisbasedonlimitingtheradiationexposuretopersonneloccupyingthecontrolroomto5remorlesswholebody,oritsequivalent.ThislimitationisconsistentwiththerequirementsofGeneralDesignCriteria19ofAppendix"A",10CFR50.TheUnit1controlroomemergencyventilationsystemoperatesautomaticallyonaSafetyInjectionSignalfromeitherUnit1orUnit2.TheautomaticstartfromUnit2isonlyavailablewhentheUnit2ESFactuationsystemisactiveinmodesIthrough4inUnit2.Thecontrolroomventilationsystemnormallymaintainsthecontrolroomattemperaturesatwhichcontrolroomequipmentisqualifiedforthelifeoftheplant.ContinuedoperationattheTechnicalSpecificationlimitispermittedsincetheportionoftimethetemperatureislikelytobeelevatedissmallincomparisontothequalifiedlifeoftheequipmentatthelimit.3/4.7.6ESFVENTILATIONSYSTEMTheOPERABILITYoftheESFventilationsystemensuresthatadequatecoolingisprovidedforECCSequipmentandthatradioactivematerialsleakingfromthe.ECCSequipmentwithinthepumproomfollowingaLOCAarefilteredpriortoreachingtheenvironment.Theoperationofthissystemandtheresultanteffectonoffsitedosagecalculationswereassumedintheaccidentanalyses.The1980versionofANSIN510isusedasatestingguide.Thisstandard,however,isintendedtoberigorouslyappliedonlytosystemswhich,unliketheESFventilationsystem,aredesignedtoANSIN509standards.Forthespecificcaseoftheair-aerosolmixinguniformitytestrequiredbyANSIN510asaprerequisitetoin-placeleaktestingofcharcoalandHEPAfilters,theair-aerosoluniformmixingtestacceptancecriteriawerenotrigorouslymet.Forthisreason,astatisticalcorrectionfactorwillbeappliedtoapplicablesurveillancetestresultswhererequired3/4.7.7SEALEDSOURCECONTAMINATIONThelimitationsonsealedsourceremovablecontaminationensurethatthetotalbodyorindividualorganirradiationdoesnotexcccdallowablelimitsintheeventofingestionorinhalationoftheprobableleakagefromthcsourcematerial.Thelimitationsonremovablecontaminationforsourcesrequiringleaktesting,includingalphaemitters,arebasedon10CFR70.39(c)limitsforplutonium.Quantitiesofinteresttothisspecificationwhichareexemptfromtheleakagetestingareconsistentwiththecriteriaof10CFRParts30.11-20COOKNUCLEARPLANT-UNITIPageB3/47-5AMENDMENT446,424,4$9, 3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4.7'LANTSYSTEMSSURVEILLANCEREUIREMENTSContinuedAtleastonceper18monthsby:1.VerifyingthatthepressuredropacrossthecombinedHEPAfiltersandcharcoaladsorberbanksislessthan6inchesWaterGaugewhileoperatingtheventilationsystemataflowrateof6000cfmplusorminus10%.2.a.VerifyingthatonaSafetyInjectionSignalfromUnit1,thesystemautomaticallyoperatesinthepressurization/cleanupmode.tb.VerifyingthatonaSafetyInjectionSignalfromUnit2,thesystemautomaticallyoperatesinthepressurization/cleanupmode.tVerifyingthatthesystemmaintainsthecontrolroomatapositivepressureofgreaterthanorequalto1/16inchW.G.relativetotheoutsideatmosphereatasystemflowrateof6000cfmplusorminus10%.AftereachcompleteorpartialreplacementofaHEPAfilterbankbyverifyingthattheHEPAfilterbanksremovegreaterthanorequalto99%oftheDOPwhentheyaretestedin-placeinaccordancewithANSIN510-1975whileoperatingtheventilationsystemataflowrateof6000cfmplusorminus10%.Aftereachcompleteorpartialreplacementofacharcoaladsorberbankbyverifyingthatthecharcoaladsorbersremovegreaterthanorequalto99%ofahalogenatedhydrocarbonrefrigeranttestgaswhentheyaretestedin-placeinaccordancewithANSIN510-1975whileoperatingtheventilation,systemataflowrateof6000cfmplusorminus10%.tTheprovisionsofTechnicalSpecification4.0.8areapplicable.COOKNUCLEARPLANT-UNIT2Page3/47-16aAMENDMENTK,~,4$8, 3/4BASES3/4.7~PLANTSYSTEMS3/4.7.5CONTROLROOMEMERGENCYVENTILATIONSYSTEMTheOPERABILITYofthecontrolroomEMERGENCYventilationsystemensuresthatthecontrolroomwillremainhabitableforoperationspersonnelduringandfollowingallcredibleaccidentconditions.TheOPERABILITYofthissysteminconjunctionwithcontrolroomdesignprovisionsisbasedonlimitingtheradiationexposuretopersonneloccupyingthecontrolroomto5rcmorlesswholebody,oritsequivalent.ThislimitationisconsistentwiththerequirementsofGeneralDesignCriteria19ofAppendix"A",10CFR50.TheUnit2controlroomemergencyventilationsystemoperatesautomaticallyonaSafetyInjectionSignalfromeitherUnit1orUnit2.TheautomaticstartfromUnit1isonlyavailablewhentheUnit1ESFactuationsystemisactiveinmodes1through4inUnit1.Thecontrolroomventilationsystemnormallymaintainsthecontrolroomattemperaturesatwhichcontrolroomcquipmcntisqualifiedforthelifeoftheplant.ContinuedoperationattheTechnicalSpecificationlimitispermittedsincetheportionoftimethetemperatureislikelytobeelevatedissmallincomparisontothequalifiedlifeoftheequipmentatthelimit.COOKNUCLEARPLANT-UNIT2PageB3/47AaAMENDMENT443,

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