ML17055B754

Forwards Rev 1 to Offsite Dose Calculation Manual,Per 860502 Request.Sections Containing Equations & Methodology Significantly Expanded to Clarify Source of Equations. Franklin Research Ctr Comments Also Encl

ML17055B754
Person / Time
Site:	Nine Mile Point
Issue date:	06/05/1986
From:	MANGAN C V NIAGARA MOHAWK POWER CORP.
To:	ADENSAM E G Office of Nuclear Reactor Regulation
Shared Package
ML17055B756	List: ML17055B754 ML18038A167
References
(NMP2L-0733), (NMP2L-733), NUDOCS 8606110212
Download: ML17055B754 (30)

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REQUL45gRYINFORNATIQN-DISTRIBUT~SYSTEl'f.(RIDS>'IACCESSIONNBR:8606110212DOC.DATE:86/06/05NOTARIZED:YESDOCKET¹FACIL:50-410NineNilePointNuclearStation~Unit2~NiagaraNoha05000410AUTH.NAIVEAUTHORAFFILIATIONMANQAN,Q.V.NiagaraNohatokPoeerCorp.RECIP.MANERECIPIENTAFFILIATIONADENSANpE".Q.BARProspectDirectoYate3

SUBJECT:

ForwardsRev1tooFFsitedosecalculationmanual>'per860502request.Sectionscontainingequations5methodologysigniFicantlgexpandedtoclariFgsourceoFequations.FranklinResearchCtrcommentsalsoencl.DISTRIBUTIONCEDE:*GCBDCDPIEBRECEIVED:LTRlENCLgSIZE:TITLE:OR/LicensingSubmittal:AppendixINOTES:RECIPIENTIDCODE/NANEBNRADTSBNREICSBBNRPD3LAHAUQHEY.NBNRRSBINTERNAL:ACRS11ELD/HDS319NRRP4JR-AADTSNRR/TANBRQN1COPIESLTTRENCL0I+$BRECIPIENTIDCODE/NANEBNREBBARFOBBWRPD3PD01BWRPSBADN/LFNBNRRBARADTSNR~A-BADTS~OI04COPIESLTTRENCL111I+'XTERNAL:24XNRCPDRLPDRNSIC0305TOTALNUBBEROFCOPIESREQUIRED:LTTR30ENCL27

""ZPi,"i3G'iJ0>>00(!0;i,'(jgy))'l'('i<r'Y)!'U"'i':~F'IP-lQITii',i'""ill'l),YA()y,'(>)'yfp::iTQp~~V'ih0%6Q."HT/HER:)u(l!."V..'0j.p.'i<'4)Q"fi()'>>'.Vli'if.f(').f(OLSF~5(;')Fi6,'.:)VN5(("0'>5fi:Y(YO'Li.'~i;IT.'l.'i:><<)i)li(UA,~q'TQQ"i94lOili'"(>itlOl'If't.)i)6(V(CiliA).i).f"'>>('t0.li.'f'E:).'i'.9fiwiOfDSfi(())'l(,i)tsPcs)($l$'(iISj')p.i."QJ.)g('"()'~()<',.3XQÃi.F(((itl((V).0.;3,YiA')I'ia)"'l<i(<<),)tj~;f(fl<~0.",0<.'9:Q39133388=.(f'lu>('vO(););3GGDPlii3'i1~J).',JA)'l'i(>>'Kf,bf(9qi',(>l<<tl~i1('A((U)AAf~~f(9'Jj.(X))(I-l'li(;Si',3QO3Qi3Ah(0FAG0'">'~>.iHNG6i,""~RiAGJ~RI0l"i)",l('")'i1(')'i)~4t<V0,.>>itQAAil'lllI'6.'sI-~i'~3RPA)"i3t).9'>37t,g,ilail)(~I(,ifs,.~opii((II,it,l(V>,~HM~'H:i)).t'(;(%>,>',NJ.(~(~)S~i*h~a(.iQQj@AT~gt"(4:2thilil~(,')Y(>('3),4:i UM'QHAWK0NIAGARAMOHAWKPOWERCORPORATION/300ERIEBOULEVARDWEST,SYRACUSE,N.Y.13202/TELEPHONE(315)474-1511June5,1986(NMP2L0733)Ms.ElinorG.Adensam,DirectorBWRProjectDirectorateNo.3U.S.NuclearRegulatoryCommission7920NorfolkAvenueWashington,DC20555

DearMs.Adensam:

Re:NineMilePointUnit2DocketNo;50-410ITheenclosedRevision1totheNineMilePointNuclearStationUnit2OffsiteDoseCalculationManual(ODCM)issubmittedinresponsetoyourrequestofMay2,1986.ThegeneralrequirementsoftheRequestforAdditionalInformationaswellasthespecificcommentsprovidedbyFranklinResearchCenterhavebeenaddressedinrevision1oftheOffsiteDoseCalculationManual,assummarizedbelowandintheattachmenttothisletter.TheseventeenspecificreferencestotheTechnicalSpecificationslistedinparagraph2oftheRequestforAdditionalInformationhavebeenincludedasacross-referenceintheTableofContents.SpecificreferencestotheTechnicalSpecificationsarealsoincludedwithineachsection.Thesectionscontainingequationsandmethodologyhavebeensignificantlyexpandedtoclarifythesourceoftheequations,andexamplesaregivenformanyofthem.Thereferencedtables,Table2.1forliquideffluentmonitorsandTable3.1foroffgas,havebeenprovidedasrepresentativevalues.Sections2.1.3,forliquidmonitorsand3.1.3,forgaseousmonitors,havebeenprovidedtodiscussperiodiccalibrationtoconfirmthesevalues.Section6hasbeenaddedtoprovidethediscussionofseveraltablenotationswhichresultedfromthedevelopmentoftheEnvironmentalMonitoringProgramspecifications.Figure5.1.3-1oftheTechnicalspecificationshasbeenprovidedinadditiontothemapsshowingenvrionmentalsamplinglocations.8606il02i2860605~IPDRADOCK05000@i'0"'PDR Ch'rrllIIIE'f004IN Ms.ElinorG.AdensamPage2Attachment1ofthisletterisanitem-by-itemresponsetothecommentsprovidedbyFranklinResearchCenter.AdditionalinformationandfurtherclarificationhasbeenprovidedtoproduceacompleteandcomprehensiveOffsiteDoseCalculationManual.Yourfurthersuggestionsforimprovementswillreceiveourimmediateattention.Verytrulyyours,C.V.ManganSeniorVicePresidentNLR:saaEnclosure1684Gxc:R.A.Gramm,NRCResidentInspectorProjectFile(2)

~+l UNITEDSTATESOFAMERICANUCLEARREGULATORYCOMMISSIONIntheMatterofNiagaraMohawkPowerCorporation)(NineMilePointUnit2))DocketNo.50-410AFFIDAVITC.V.Manan,beingdulysworn,statesthatheisSeniorVicePresidentofNiagaraMohawkPowerCorporation;thatheisauthorizedonthepartofsaidCorporationtosignandfilewiththeNuclearRegulatoryCommissionthedocumentsattachedhereto;andthatallsuchdocumentsaretrueandcorrecttothebestofhisknowledge,informationandbelief.Subscribedandsworntobeforeme,aNotaryublicinandfortheStateofNewYorkandCountyof'thisdayof1986.NotaryPublicinandforlinen'ounty,NewYorkMyCommissionexpires:CHRISTINEAUSTINNotaryPublicintheQateofNeoYorituaiihedinOnondagaCo.No.478768gEx<<eaMarch30,lou JIFNf8uA3wrgy,HOAOV%~Af0+SANQ1<<p'<>ggg~gg)~8"KN~4N.03ddt}Ag<9g~4~>>,Q+~lAE4uf"40K'/K'vgQii~<fi93gf ATTACHMENT1FranklinResearchCenterODCMComments(Unit2)~Sub'ectTableofContentsLiquidRadwasteEffluentMonitorAlarmSetpoint(Sec.2.1.2.1)Rev.0PaeNumber1,2Rev.0Comments'heLicenseeshouldprovideatableofcontentsfortheODCM.TheLicenseeshouldspecifytheunitsforthealarmsetpoints.'ntheequationforthesetpoint,thefactorkisnotclearlydefined.TheLicenseemayapplythelaboratoryexperiencetointroduceanappropriatesafetyfactorforthesetpointcalculation:thefactorshouldbeaspecificnumber.'heLicenseeshouldprovidenominalflowratesfortheeffluentline(f)andthedilutionflow(F).Also,thesourcesofdilutionwatershouldbeidentified.Rev.1~PIIbRev.1~ResonseAtableofcontentshasbeenprovided.Theunits(cpm)aregiveninSection2.1.2.1.Thefactorhasbeensetat0.8inSection2.1.2.1Thenominalflowratesare7providedinSection2.1.3.1.ServiceWaterAandBandCoolingTowerBlowdownRadiationDetectorAlarmSetpoint(Sec.2.1.2.2)'ameasabove,specifytheunitsforalarmsetpoint.Theunits(cpm)aregiven5inSection2.1.2.3.

0

~Sub'ectRev.0PaeNumberRev.0CommentsRev.1~ResenseRev.1PaeNumberServiceHaterAand8andCoolingTowerBlowdownRadiationDetectorAlarmSetpoint(Sec.2.1.2.2)'ameasabove,specifythefactork.SpecifythenominalflowratesforservicewaterAand8,andthecoolingtowerblowdown.'heLicenseehasnotconsideredthesimultaneousreleasesfrommorethanoneeffluentlineinthesetpointcalculation.Thefactorhsbeensetat50.8inSection2.1.2.3.Thenominalflowratesare10providedinSection2.1.3.2.ProvisionforsettingRadwasteMonitorsetpointconcurrentwithcontaminationofadilutionstreamareprovidedinSection2.1.2.2.LiquidEffluentDetectorsResponses(Table2-1)'tisnotcleartowhattypesofradiation(gamma,beta,orboth)thedetectorresponsesprovidedinTable2-1arerelated.LiquidEffluentDetector6discussionprovidesthisinfo.inSection2.1.3.1'hatisthejustificationforconsideringonlytheisotopeslistedinthetables?Areotherisotopesignored?Responseofthedetector6toliquidsamplesfromappropriatewastestreamsisdescribedinSection2.1.3.1.LiquidConcentration'odemonstratethattheLicensee'sTechnicalSpecification3.11.1.1ismet,thesurveillancerequirementsspecifythatthesamplingandanalysisprogrambeimplementedaccordingtoTable4.11-1oftheRETS.AccordingtotheNRCBranchTechnicalPosition,theLicenseeshould:LiquidEffluentConcentrationwillbecalculatedandcomparedtoMPCinaccordancewiththeequationofSection2.2foralleffluentstreamsforallperiodsofrelease.Thissummationwillthereforeaccountforcombineddischargestothesamereleasepoint.12

~SubectRev.0PaeNumberRev.0CommentsRev.1~ResouseRev.1~PNbLiquidEffluentDoseDoseCalculationMethodology(Sec.2.2)"ProvidetheequationsandmethodologytobeusedatthestationorunitforeachliquidreleasepointaccordingtotheSpecification3.11.1.1.Forsystemswithcontinuousorbatchreleases,andforsystemsdesignedtomonitorandcontrolbothcontinuousandbatchreleases,providetheassumptionsandparameterstobeusedtocomparetheoutputofthemonitorwiththeliquidconcentrationspecified.Statethelimitationsforcombineddischargestothesamereleasepoint.Inaddition,providethemethodandassumptionsforobtainingrepresentativesamplesfromeachbatchanddescribethepreviouspost-releaseanalysesorcompositesampleanalysesusedtomeetthespecification."Liquidpathwaysarenotclearlyidentifiedforthedosecalculation.Section2.5addressessamplerepresentativeness.TheresultsofsamplingandanalysisinaccordancewithTable4.11-1providetheconcentrationdatausedinSection2.2.Allefflluentsaredischargedviathesamepathway.Seefigure2-9andSection2.3fordiscussionofthedosepathwaystobeincludedindosecalculation.1528,13

~SubectRev.0PaeNumberRev.0Comments'quationsforthedosefactorA;tshouldbeprovidedintheODCM.Rev.1~ResouseSection2.4providestheequationfromNUREG0133Section4.3.1whichwasreferencedinRev.0.Rev.1~PIII14Table2-2StackNobleGasDetectorAlarmSetpoint(Sec.3.1.2.1)TheLicenseeshouldexplainwhythetableprovidesdataonlyfortheisotopeslisted.'nitsforthealarmsetpointnotspecified.Section2.4explainswhyonlytheisotopeslistedwereprovidedanddescribestheactiontobetakenifnuclidesareencounteredinadditiontothoseprovidedinTable2-2.Theunits(uCi/sec)aregiveninSection3.1.2.1.1530'hefactorkusedforthesetpointequationisnotdefinedorspecified.Thefactorhasbeensetat310.8inSection3.1.2.1.Hhatistheheightofthestackandthelevelofeffluentreleases(elevatedvs.groundlevel)?Theelevatedreleasesdischargedfromthestack(8131meters)arediscussedinSection3.1.3.33VentNobelGasDetectorSetpoint(Sec.3.1.2.2)'amecommentsasstatedforstackmonitorabove.Theunits(uCi/sec)aregiveninSection3.1.2.2.31Thefactorhasbeenset31at0.8inSection3.1.2.2.

~sub'eccRev.0PaeNumberRev.0CommentsRev.1~ResonseTheventisconsideredagroundlevelorcombinedelevated/groundlevelrelease,asdiscussedinSections3.1.3,3.4.5and3.4.6.Rev.1~PNN33,58,59'imultaneousreleasesnotconsideredinthesetpointcalculation.Section3.1.3includesa33discussionofsimultaneousrelease.VentNobleGasDetectorSetpoint(Sec.3.1.2.2)OffgasPretreatmentNobleGasDetectorSetpoint(Sec.3.1.2.3)'heresultingunitforthesetpointequationisnotconsistentwithwhatitisintendedfor:theendresultwillread"(m3/cc)(cpm)"ratherthanjust"(cpm)".'heLicenseehasnotbeenconsistentinchoosingtheunitsfortheflowrates:(m3/sec)wasusedinSec.3.1.2.2and(cc/min)wasusedinSec.3.1.2.3.TheequationgiveninSection3.1.2.2yieldsuCi/sec,asrequired.TheunitsofSections3.1~2.2and3.1.2.3arenowgiveninml/secandCFM,correspondingtothetwoseparatesystems.Itisnotdesirabletomakethesethesame.3131,32NobelGasDetectorResponse(Table3-1)'pecifythetypesofradiation(gammaorbeta)forthedetectorresponses.Theoff-gasmonitordetectorisdescribedinSection3.1.3.336'rovidejustificationsforhavingonlyafewisotopesforthetable.Section3.1.3.3describes36OGMonitorcalibrationandaddressesTablerevisionbasedonisotopicanalysisofoffgassamplesduringoperation.

~Sub'ctRev.0PaeNumberRev.0CommentsRev.1~ResenseRev.1PaeNumberDoseRateCalculationMethodology(Sec.3.2)1012'heLicenseehasnotreferencedthedoselimitswithwhichcomplianceistobedemonstratedforthedosecalculations.'heLicenseeuses1.7E-06(sec/m3)forthehighestcalculatedannual(X/Q),whichislowerthan2.0E-06(sec/m3)providedbytheLicenseeinSection3.1.2.2(p.7).Explainthediscrepancy.Section3.2identifiesthe37DoseRatelimitswhichapply.ChangedX/Qto2.0E-6in38,39,Sections3.2.1and3.2.2to31beconsistentwithvalueusedforsettingalarmpoint(Section3.1.2.2)whichisalsobasedon:doserateattheSiteBoundary.PlumeShineParameters(Table3-2)13'heLicenseehasnotprovidedamethodologytocalculatetheplumeshinefactorsBiandVi.ThemethodologyofcalculationisprovidedinSection3.4.1.45'heLicenseedidnotprovideanydataforTable3-2.(TheLicenseestatedthat"Thevaluesinthistablewillbeprovidedatalatertime".)ThevalueshavebeenprovidedinTable3-2.62Tables3-4to3-21UraniumFuelCycle15to3235ProvideequationsintheODCMfortheparameterscalculatedinthetables.'heLicenseestatedthatfishconsumptionandshorelinesedimentarethepathwaysusedforliquiddosecalculation.However,thedrinkingwaterpathwayisnotconsidered.Also,themethodologytocalculatedosesfromshorelinesedimentisnotprovidedintheODCM.TheequationsforcalculatingtheparametersforTables3-4to3-6areinSection3.4.3andthoseforTables3-7to3.21areinSection3.4.4.Thedrinkingwaterpathwayisnotsignificant.MethodologyforcalculatingdosesfromshorelinesedimentisprovidedinSection4.1.47-5890,91

~Sub'ectRev.0PaeNumber35Rev.0CommentsNomethodologyisprovidedtoestimatethedirectradiation.Rev.1~ResouseThemethodologyusingenvironmentalTLD'sisgiveninSection4.3.Rev.1~b92EnvironmentalHonitoringProgram3641-43'heequationgivenforfactorRisincorrect:sometypographicerrorsmayhavebeencommitted.'nTable5.1forsamplinglocations,thenatureofthelocations(suchason-site,control,orindicator)isnotclearlyspecifiedforeachlocation.SinceNineMilePointUnits1and2andtheFitzpatrickplantarelocatedatthesamesite,theenvrionmentalsamplelocations,byagreementbetweentherespectivelicensees,aresupposedtobeidentical.However,numerousdifferencesarefoundbetweenthesamplelocationsofNineMilePointUnit2andthelocationsprovidedintheFitzPatrickODCM(Rev.2datedJune25,1985).ItappearsthatNineMilePointUnit2hasacompletelistofthemostup-to-dateinformationonsamplelocations.However,thedifferencesmayreflectlackofcoordinationbetweentherespectivelicenseesonenvironmentalsampleprograms.ThedifferencesintheequationgivenandtheequationsofSectionsC-3andC-4ofReg.Guide1.109areidentifiedinSection4.4.(X/Qisinunitsofsec/m3).Theequationiscorrect.Noon-sitemonitoringlocationsarerequired.Controllocationsarethoselocatedatmaplocations30,31,38,43,47,54,55;alleasilydistinguishedbydistanceanddirection.Unit1andUnit2ODCH'snowindicateidenticallocations;theJAFrecentrevisionshouldbethesame.9498-100

~Sub'ectRev.0PaeNumberRev.0CommentsRev.1~ResenseRev.1PaeNumberMonthlyLiquidOoseProjection(RETS4.11.1.3.1)'heLicenseedidnotprovideasectiontodescribethemethodologyformonthlyliquiddoseprojectionpertheLicensee'sRETS3.11.1.3.Section2.6wasprovided16toaddressTS3.11.1.3.Notethatitisexpectedtheliquidradwastesystemwillbefullyutilizedatalltimes,thusnegatingtheneedtomakesuchaprojection,exceptinunusualcircumstances.LiquidandGaseousEffluentFlowOiagrams'heNRCBranchTechnicalPositionasissuedin1979specifiesneedsforthelicenseestoprovideeffluentflowdiagramstoclarifyandexplaintheoperabilityoftheradwastetreatmentsystems.TheBranchTechnicalPositionstates:"Provideaflowdiagram(s)definingthetreatmentpathsandthecom-ponentsoftheradioactiveliquid,gaseousandsolidwastemanage-mentsystemsthataretobemain-tainedandused,pursuantto10CFR50.36a,tomeetTechnicalSpecifications3.11.1.3,3.11.2.4and3.11.3.1.Subcomponentsofpackagedequipmentcanbeidenti-fiedbyalist.ForoperatingreactorswhoseconstructionpermitapplicationswerefiledpriortoJanuary2,1971,theflowdiagram(s)shallbeconsistentwiththeinformationprovidedinconfor-mancewithSectionV.B.1ofAppendixIto10CFR50.ForOLapplicationswhoseconstructionpermitswerefiledafterJanuary2,1971,theflowdiagram(s)shallbeconsistentwiththeinformationprovidedinChapterlloftheFinalSafetyAnalysisReport(FSAR)oramendmentsthereto."Figures2-1,2-2and2-3definetheLowConduc-tivityLiquidWasteSystem.Figures2-4,2-5and2-6definetheHighConductivityLiquidWasteSystem.Figures2-7and2-&definetheRegenerantWasteSystem.SolidificationofwasteisaddressedintheProcessControlProgram,separatelysubmitted(seeTS3.11.3).ThefiguresprovidedarefromtheFSAR,Chapter11.20,21,2223,24,2526,27 I

~SobectLiquidandGaseousEffluentFlowDiagram(Cont.)EstimationofI-133Rev.0PaeNumberRev.0CommentsTheflowdiagramsshouldalsocontaininformationontheeffluentmonitoringinstrumentationregardingthesetpointcalculation.Thus,theinformationasrequiredbytheBranchTechnicalPositionincludes:"Theinstrumentationforeachalarmandtripsetpoint,includingradiationmonitoringandsamplingsystemsandeffluentcontrolfeatures,shouldbeidentifiedbyreferencetotheFSAR(orFinalHazardSummary).Thisinformationshouldbeconsis-tentwiththerecommendationsofSectionIofStandardReviewPlan11.5,NUREG-75/087(Revision1)."ThelicenseedidnotprovideamethodtoestimatethereleaseofI-133.Onestimatingtheradio-activityofI-133,theNRCstaffhasspecificguidanceasfollows:"Underappropriateconditions,thel-133contributioncouldbeimpor-tanttothePart20doseratesandtotheAppendixIdoses.Therefore,Specifications3/4.11.2.1and3/4.11.2.3shouldbewrittenasshownintheenclosures.Rev.1~ResooseODCMFigure2-9iden-tifiesstheServiceWatermonitors(RE146AandRE146B),theCoolingTowerBlowdownmonitor(RE157),andtheLiquidRadwasteEffluentmonitor(RE206).Figure3-5iden-tifiestheGaseousEffluentpathways.Figure3-6providesablockdiagramofthestackmonitor(RE170).Theventmonitor(RE180)isessentiallyidentical.Section3.5wasprovidedtoindicatethemethodsofestimatingI-133release.SeeSection3.5Rev.1PaeNumber2887885959 0C'

~Sub'ectEstimationofI-133(Cont.)Rev.0PaeNumberRev.0CommentsThesespecificationswi11notexplicitlyrequiresamplingandanalysistodeterminetheI-133releases.Therefore,Table4.11-2neednotspecifyI-133.Conversely,theSpecificationswillrequireaccountingforI-133andthemethodforsodoingmustbedetailedintheODCM.AcceptablemethodswillbeaddressedinNUREG-0133,Rev.l.Rev.1~ResouseRev.1PaeNumberAcceptableapproachestoestimatingI-133releasesareasfollows:1.ConvertthesamplesforI-133(aswellasI-131)andassumeaconstantreleaseratesobuildupisproportionalto[1-exp(-At)]/A.2.Periodicallytakeshort-periodsamplestodeterminetheratioofI-131toI-133activity.Then,usethisratiotoestimateI-133re-leasesbasedonmeasurementsofI-131releases.3.Inspecialcases,whereaplantlackscapabilityformeasuringI-133,assumethattheI-133activityreleaseis4timestheI-131activity."Method2orMethod3willbeuseddependingonanalyticalresultsobtained.Method1isambiguous;wedonotplantouseit.59-10-t

~SebectEstimationofI-133(Cont.)Rev.0Pae.NumberRev.0CommentsThisrequirementisapplicabletoaBHRsuchasNineMilePointUnit2,especiallysinceI-133isnotincludedinthesamplinganalysisprogramdescribedintheirRETSTable4.11-2.Rev.1~Resonse-11-4V%l,f~~/l