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{{#Wiki_filter:~~~CALCULATIONCOVERSHEETCALC.NO.-SLD-oo2.FILENO.R2.-lSUPERSEDEDBYklA.SAFETY-RELATEDfp',1ASIDEIIIORXI[]OTHEP,QUALITYIjNONQUALITYI1PROJECTSMLED(<DE>cc~omFkoJgcTER/CTNNO.klanDESIGNACTIVITY/PNRNUMBEREWK+h4SioooPAGE1OFI(,TITLE/DESCRIPTIONSmarmLanai<DaracTiouCA<.c-RcZc.PunrtpCoo~(UmiT')SYSTEMSAFFECTEDSOBS&So5oRcFmvopicr=>Fans~mHBJfoF-paosi.aah.DGNBSSH-Q-208RN-Q-REF~tOATlACHROOO~lGWXiJPVTGC~ac.h~MC7HLSChi-QJLATla~.MFATuPA&6+Fo&~F~~cc~.F'~<aIZFo~Cuuugrcy(conc-~us~oms.(ETO)BINDERAFFECTED?[]YES-IfYesenter:BinderIICalc.Fi1eI.X]NOVol.Pgs.REV.NO.DATE0778PREPAREDBYREVIEWED/CHECKEDBYDATEAPPROVEDBYDATEog9108260'176.910819.PDRAOOCKOS000387,,P..-.,PDRmls/frb006i(12) gl1'.3' Calc0M-SLD-002Page2of16TABLEOFCONTENTS1.0PURPOSE~~~~~~~~~~%~~~~~~~~~~~~S~0~~~~~0~0$$~~~~~~~
{{#Wiki_filter:~~~CALCULATION COVERSHEETCALC.NO.-SLD-oo2.
FILENO.R2.-lSUPERSEDED BYklA.SAFETY-RELATED fp',1ASIDEIIIORXI[]OTHEP,QUALITYIjNONQUALITYI1PROJECTSMLED(<DE>cc~omFkoJgcTER/CTNNO.klanDESIGNACTIVITY/PNR NUMBEREWK+h4SioooPAGE1OFI(,TITLE/DESCRIPTION SmarmLanai<DaracTiou CA<.c-RcZc.PunrtpCoo~(UmiT')SYSTEMSAFFECTEDSOBS&So5oRcFmvopicr=>Fans~mHBJfoF-paosi.aah.
DGNBSSH-Q-208RN-Q-REF~tOATlACHROOO~lGWXiJPVTGC~ac.h~MC7HLSChi-QJLATla~.
MFATuPA&6+Fo&~F~~cc~.F'~<aIZFo~Cuuugrcy(conc-~us~oms.
(ETO)BINDERAFFECTED?
[]YES-IfYesenter:BinderIICalc.Fi1eI.X]NOVol.Pgs.REV.NO.DATE0778PREPAREDBYREVIEWED/CHECKED BYDATEAPPROVEDBYDATEog9108260'176.
910819.PDRAOOCKOS000387,,P..-.,PDRmls/frb006i (12) gl1'.3' Calc0M-SLD-002 Page2of16TABLEOFCONTENTS1.0PURPOSE~~~~~~~~~~%~~~~~~~~~~~~S~0~~~~~0~0$$~~~~~~~


==32.0REFERENCES==
==32.0REFERENCES==
~~~~~~~~~~~~1~~~~~~~~~~~~~~0~~~E~~~~~1~S~~3~0ASSUMPTIONS~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~54.0METHODOLOGY0$~~~~0~~~~~~~~~~~0~~~0~~~~\~~~~S~~~~~0..~~65.0RESULTS/CONCLUSIONS.............................~.....12ATTACHMENT1COTTAPOutputforRCICPumpRoom-5GPMLeak(Summer)ATTACHMENT2COTTAPOutputforRCICPumpRoom-5GPMLeak(Winter)ATTACHMENTITACHMENT4COTTAPOutputforRCICPumpRoom-25GPMLeak(Summer)COTTAPOutputforRCICPumpRoom-25GPMLeak(Winter)APPENDIXADataInputSection-RCICPumpRoom(I-12/I-107)
Calc&#xb9;N-SLD-002Page3oflh1;0PURPOSEThepurposeofthiscalculationistopredicttheroomtemperatureprofileexpectedwhenasmallsteamleakisintroducedintheUnitiRCICPump-Room.TheresultsofthiscalculationwillbeusedasabasisfordevelopmentofSteamLeakDetectionSystemsetpoints.
Calc&#xb9;N-SLD-002Page4of1621Calc&#xb9;N-RAF-024,Rev.0"RBPostDBATransientTemperatureAnalysis"2.2Bechte1Ca1c,&#xb9;176-18,Rev.5"RBCoolingNodes"2a3SEA-EE-129,Rev.0"SSESUnit1andUnit2ReactorBuildingHeatLoads"DrawingsPAIDN-176,Rev.20PAIDN-149,Rev.30PAIDN-150,Rev.17V-28-1,Rev.15V-28-2,Rev.14V-28-3,Rev.17C-105,Rev.20C-134,Rev.15C-156,Rev.12C-111,Rev.15C-117,Rev.17DBB-109-2,Rev.8GBD-135-1,Rev.3t.5N-19'9PipingClassSheets2.6SEISPipelineGeneralIndex2.7CraneTechnicalPaperNo.410,23rdPrinting2.8ASHRAE1985FundamentalsHandbook2.9FSARTable3.11-62.10FSARSection5.2~5.1.32.112.12Calc&#xb9;N-PAF-001,Rev.1"HVACEnvironmentalAnalysis-ReactorBuildings5ControlStructure"COTTAP-2TheoryandInputDescriptionNanual(User'sManual),Rev.1,dated1/27/89.


Gale0M-SLD-002Page5oflh0ASSUMPTIONSi)Plantisoperatingundernormalconditionspriortointroducingasteamleak.2)AlladjacentroomswillbemaintainedattheirdesignmaximumtemperatureforsummerconditionsandattheaveragetemperatureforthemonthofJanuary(ifblue-boxdataisavailable)forwinterconditions.Wherewintertemperaturedataisnotavailable,thedesignminimumtemperatureof60Fwillbeused.3)Theroomunderconsiderationwillnotbeallowedtopressurize,astheblowoutpanelwillrelieveatapproximately0.5psid.Therefore,aleakagepathoutoftheroomwillbeusedtomaintainpressureascloseto14.7psiaaspossible.Thetemperatureeffectsduetoslightroompressurizationareassumedtobenegligeble.4>Theeffectsofadjacentroomheatuparenotconsideredinthisanalysis(i.e.adjacentroomtemperaturesareheldconstant>.Thisresultsinaconservativetemperatureprofilef'rtheroomunderconsideration.Theactualadjacentroomheatupduetothesteamleakisexpectedtobeminimal(whenconsideringconductiveheatlasses).5)TheCQTTAPmodelassumesperfectmixingoftheairandsteamintheroomunderconsideration.
~~~~~~~~~~~~1~~~~~~~~~~~~~~0~~~E~~~~~1~S~~3~0ASSUMPTIONS~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~54.0METHODOLOGY 0$~~~~0~~~~~~~~~~~0~~~0~~~~\~~~~S~~~~~0..~~65.0RESULTS/CONCLUSIONS
MdW-5+p~li Calc&#xb9;N-SLD-002Page6of16TheCompartmentTransientTemperatureAnalysisProgram(COTTAP)wasusedtoanalyzetheaffectsofasteamleakinvariousroomswithintheplant.Theprogrampredictedtemperatureprofilesfortheroomunderconsiderationwiththefollowingsetofconditions1)5gpmwaterequivalentsteamleak(Summer)2)5gpmwaterequivalentsteamleak(Winter)3)25gpmwaterequivalentsteamleak(Summer)4)25gpmwaterequivalentsteamleak(Winter)Theindividualroommodelsweredevelopedfromvarioussourcesofinformation,asidentifiedinSection2.0References.TheresultswillconsistoftheCOTTAPoutputandtheplotsofvariousprofilesfortheconditionsstatedabove.Thefollowingdiscussionisprovidedtooutlinethestepsusedindevelopingtheindividualroommodels.4.1GeneralDataForRoomsRoomVolumesTheroomvolumewastakenfromReference2.1fortheroomunderconsideration.Adjacent.roomvolumesweresettoalargevalue(i.e.1.0EE15cu.ft.)tomaintainconstantpropertiessuchastemperature,pressureandrelativehumidity.InitialPressureAllroomswereassumedtobeataninitialpressureof14.7psia.InitialTemperatureAllroomswereassumedtobeattheirmaximumnormaldesigntemperatureinitiallyforsummerconditions.Actualwinterdatawasused,whereavailable,asastartingpointforthewinterruns.Thewinterdatawastakenasthe"blue-box"averagetemperatureforJanuary1988.TheJanuarydatawasconsideredtobemoreconservativethanFebruarydata.Whereactualwinterdatawasnotavailable,thedesignminimumroomtemperatureof60Fwasused.Wherewinterdatawasnotavailablefortheroominquestion,theroomwasstartedatatemperaturewhichallowsittoreachasteady-statewithitsadjacentrooms.  
.............................
~.....12ATTACHMENT 1COTTAPOutputforRCICPumpRoom-5GPMLeak(Summer)ATTACHMENT 2COTTAPOutputforRCICPumpRoom-5GPMLeak(Winter)ATTACHMENT ITACHMENT 4COTTAPOutputforRCICPumpRoom-25GPMLeak(Summer)COTTAPOutputforRCICPumpRoom-25GPMLeak(Winter)APPENDIXADataInputSection-RCICPumpRoom(I-12/I-107)
Calc&#xb9;N-SLD-002 Page3oflh1;0PURPOSEThepurposeofthiscalculation istopredicttheroomtemperature profileexpectedwhenasmallsteamleakisintroduced intheUnitiRCICPump-Room.
Theresultsofthiscalculation willbeusedasabasisfordevelopment ofSteamLeakDetection Systemsetpoints.
Calc&#xb9;N-SLD-002 Page4of1621Calc&#xb9;N-RAF-024, Rev.0"RBPostDBATransient Temperature Analysis" 2.2Bechte1Ca1c,&#xb9;176-18,Rev.5"RBCoolingNodes"2a3SEA-EE-129, Rev.0"SSESUnit1andUnit2ReactorBuildingHeatLoads"DrawingsPAIDN-176,Rev.20PAIDN-149,Rev.30PAIDN-150,Rev.17V-28-1,Rev.15V-28-2,Rev.14V-28-3,Rev.17C-105,Rev.20C-134,Rev.15C-156,Rev.12C-111,Rev.15C-117,Rev.17DBB-109-2, Rev.8GBD-135-1, Rev.3t.5N-19'9PipingClassSheets2.6SEISPipelineGeneralIndex2.7CraneTechnical PaperNo.410,23rdPrinting2.8ASHRAE1985Fundamentals Handbook2.9FSARTable3.11-62.10FSARSection5.2~5.1.32.112.12Calc&#xb9;N-PAF-001, Rev.1"HVACEnvironmental Analysis-ReactorBuildings 5ControlStructure" COTTAP-2TheoryandInputDescription Nanual(User'sManual),Rev.1,dated1/27/89.
 
Gale0M-SLD-002 Page5oflh0ASSUMPTIONS i)Plantisoperating undernormalconditions priortointroducing asteamleak.2)Alladjacentroomswillbemaintained attheirdesignmaximumtemperature forsummerconditions andattheaveragetemperature forthemonthofJanuary(ifblue-boxdataisavailable) forwinterconditions.
Wherewintertemperature dataisnotavailable, thedesignminimumtemperature of60Fwillbeused.3)Theroomunderconsideration willnotbeallowedtopressurize, astheblowoutpanelwillrelieveatapproximately 0.5psid.Therefore, aleakagepathoutoftheroomwillbeusedtomaintainpressureascloseto14.7psiaaspossible.
Thetemperature effectsduetoslightroompressurization areassumedtobenegligeble.
4>Theeffectsofadjacentroomheatuparenotconsidered inthisanalysis(i.e.adjacentroomtemperatures areheldconstant>.
Thisresultsinaconservative temperature profilef'rtheroomunderconsideration.
Theactualadjacentroomheatupduetothesteamleakisexpectedtobeminimal(whenconsidering conductive heatlasses).5)TheCQTTAPmodelassumesperfectmixingoftheairandsteamintheroomunderconsideration.
MdW-5+p~li Calc&#xb9;N-SLD-002 Page6of16TheCompartment Transient Temperature AnalysisProgram(COTTAP)wasusedtoanalyzetheaffectsofasteamleakinvariousroomswithintheplant.Theprogrampredicted temperature profilesfortheroomunderconsideration withthefollowing setofconditions 1)5gpmwaterequivalent steamleak(Summer)2)5gpmwaterequivalent steamleak(Winter)3)25gpmwaterequivalent steamleak(Summer)4)25gpmwaterequivalent steamleak(Winter)Theindividual roommodelsweredeveloped fromvarioussourcesofinformation, asidentified inSection2.0References.
TheresultswillconsistoftheCOTTAPoutputandtheplotsofvariousprofilesfortheconditions statedabove.Thefollowing discussion isprovidedtooutlinethestepsusedindeveloping theindividual roommodels.4.1GeneralDataForRoomsRoomVolumesTheroomvolumewastakenfromReference 2.1fortheroomunderconsideration.
Adjacent.
roomvolumesweresettoalargevalue(i.e.1.0EE15cu.ft.)tomaintainconstantproperties suchastemperature, pressureandrelativehumidity.
InitialPressureAllroomswereassumedtobeataninitialpressureof14.7psia.InitialTemperature Allroomswereassumedtobeattheirmaximumnormaldesigntemperature initially forsummerconditions.
Actualwinterdatawasused,whereavailable, asastartingpointforthewinterruns.Thewinterdatawastakenasthe"blue-box"averagetemperature forJanuary1988.TheJanuarydatawasconsidered tobemoreconservative thanFebruarydata.Whereactualwinterdatawasnotavailable, thedesignminimumroomtemperature of60Fwasused.Wherewinterdatawasnotavailable fortheroominquestion, theroomwasstartedatatemperature whichallowsittoreachasteady-statewithitsadjacentrooms.  
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<<;SKJk>>Cf'c[5~
Gale0N-SLD-002,Page7of16Theoutsideambienttemperaturewastakenas79F(summer)and26F(winter).ThesummerambientwastakenfromReference2.8asthe24hourdailyaveragetemperature,baseduponthe1%ASHRAEdesignvaluefortheNilkes-Barre/Scrantonarea.ThewintervaluewastakenastheactualmonthlyaverageforJanuaryovertheyears1986thru1989.Thisaveragewasbasedupon,SSESNeteorologicalDatatakenfromtheplantcomputer.AcomparisonofFebruarydataoverthissametimeperiodindicatedthattheJanuarydatawasmoreconservative.RelativeHumidityTherelativehumidityforallroomsconnectedbyventilationorleakagepathsisbaseduponsupplyairtemperaturesof85F(summer)and60F(winter)at90/RH.Airattheseconditionswasthenallowedtoheatup(sensibleheatingonly)totheinitialroomtemperature,andthecorrespondingRHvaluewascalculatedorreadfromthepsychrometricchart.RoomHeightThisvalueisnolongerusedbyCOTTAP.It'originalpurposewasassociatedwiththewallcondensationcalculationusedwithinCOTTAP.COTTAPhasbeenrevisedandnolongerusesthisinformation.Therefore,avalueof10.0ftwasinputtedforeachroom.Thisvaluehasnosignificancetothecalculation.Natethattheactualroomheightwasusedinthecalculationofroomvolume.4.2AirflowandLeakagePathDataAirflowDataThedesignairflowisprovidedfortheroomunderconsideration.Allflowpathsareidentified(i.e.supply,exhaustandtransferair).ThesourceoftheairflowdataisthePAIDassociatedwiththeparticularventilationsystemforthatroom.Thedataidentifiestheroomfromwhichtheaircomes,andtheroomtowhichtheairgoes.Sinceairflowsarebalancedto+10/accuracy,aconservativevalueof550cfmwasusedforthisroom(500cfmx1.1).TheRCICsupplyandexhaustducthasbackdraftisolationdamperstopreventthespreadofsteamtoadjacent h
Gale0N-SLD-002
Ca1c0M-SLD-002Page8of16roomsintheeventofasteamleak.Thesedampersisolateatadifferentialpressureof2"wg.TheBDID'swouldbeexpectedtocloseunderthepresenceofasteamleak.Tosimplifythemodel,aconservativeassumptionwasmadewhichleavestheBDID'sopenduringthesteamleak.Thiswouldhavetheeffectofpredictingalowertemp.vs.timeprofile.LeakagePathDataAswiththeairflowdata,allroomsconnectedtotheleakagepathareidentified.Theleakagepathareaisonlyusedtoscaletheleakageflowratesfortheentirecompartmentunderconsideration.Theintentoftheleakagepathistopreventcompartmentpressurization.Formostrooms<exceptRWCU),onlyoneleakagepathisused,andavalueof1.0sq.ft.isinputtedfortheleakagepatharea.Whenmorethanoneleakagepathexists,actualleakageareascanbeinputtedtobetterunderstandleakageflowsbetweenadjacentcompartments.4.3HeatLoadDatatHeatLoadTypeThetypeofheatloadwasidentifiedusingthefollowingnomenclatureType12358DescriptionLightingElectricalPanelsNotol5UnitCoolersPipingMisc.MechanicalEquipmentHeatInputRatesTheheatrateinputinBtu/hrfortheassociatedheatload.Thevaluesforheatloadtypes1thru3wereobtainedfromReferences2.2h2.3.Theheatrateinputsfortype4heatloadsareinputtedasnegativevaluessincetheunitcoolersremoveheatfromtheroom.Theheatinputratefortype5heatloadswereinputas-1.ThisvaluedirectsCOTTAPtoobtainpipinginformationnecessarytocalculatethepipingheatloads.Theheatinputratefortype8heatloadswasobtainedfromReferences2.252.3,asnecessaryfortheappropriateroom.  
,Page7of16Theoutsideambienttemperature wastakenas79F(summer)and26F(winter).
?~gIL*jR.~~,f Calc&#xb9;M-SLD-002Page9of16Toachieveaninitialsteady-statecondition,amiscellaneousheatload(positiveornegative)wasaddedtothemainroomtobalanceallothertimezeroheatloads.Thisheatloadwasinputtedastype8.NotethatCOTTAPneglectscoldpipeandequipmentasheatsinks.Thisrepresentsnon-conservatisminthiscalculation.Asamplerunmadetodeterminetheeffectsoftheseheatsinksindicatedthat.resultanttemperatureswereonlyslightlylowerthanthevaluespredictedwhenneglectingtheseheatsinks.Therefare,thiscalculationassumestheeffectsoftheseheatsinksarenegligable.Forwallsandfloorsincontactwithground,themodelpredictsaconservativevalueofheatlosstoground.Theslabsareassumedtobeincontactwithsoilatatemperatureof55F.Tomodeltheheatlosstoground,alargevalueofsurfacefilmconvectiveheattransfercoefficient(100Btu/hr-sqft-F)hasbeenintroducedonthegroundsideofthefloorsandwallstoachieveagroundcontacttemperatureof55F.4.4PipingInputDataOnlypipingwithadesigntemperaturegreaterthanthatofthenormalroomdesigntemperaturewasincluded,sinceCOTTAPignorescoldpipeasaheatsink.ThisgenerallymeantthatpipingatorclosetoReactorconditionswasincluded.Alsonotethatthiscalculationneglectsheatlossfromsmallpipe(i.e.lessthan2"OD).PipeODTheoutsidediameterofthepipewasobtainedfromReference2.4PipeIDsThepipeschedulewasobtained'romReference2.5~Knowingtheschedule,theinsidediameterwasobtainedfromReference2.7InsulationODsTheinsulationODwasobtainedfromReference2.11PipeLength:ThepipelengthwasobtainedfromReference2.4~EmmisivitycTheemmisivitywasobtainedfromReference2.11  
ThesummerambientwastakenfromReference 2.8asthe24hourdailyaveragetemperature, baseduponthe1%ASHRAEdesignvaluefortheNilkes-Barre/
Scrantonarea.ThewintervaluewastakenastheactualmonthlyaverageforJanuaryovertheyears1986thru1989.Thisaveragewasbasedupon,SSES Neteorological Datatakenfromtheplantcomputer.
Acomparison ofFebruarydataoverthissametimeperiodindicated thattheJanuarydatawasmoreconservative.
RelativeHumidityTherelativehumidityforallroomsconnected byventilation orleakagepathsisbaseduponsupplyairtemperatures of85F(summer)and60F(winter)at90/RH.Airattheseconditions wasthenallowedtoheatup(sensible heatingonly)totheinitialroomtemperature, andthecorresponding RHvaluewascalculated orreadfromthepsychrometric chart.RoomHeightThisvalueisnolongerusedbyCOTTAP.It'originalpurposewasassociated withthewallcondensation calculation usedwithinCOTTAP.COTTAPhasbeenrevisedandnolongerusesthisinformation.
Therefore, avalueof10.0ftwasinputtedforeachroom.Thisvaluehasnosignificance tothecalculation.
Natethattheactualroomheightwasusedinthecalculation ofroomvolume.4.2AirflowandLeakagePathDataAirflowDataThedesignairflowisprovidedfortheroomunderconsideration.
Allflowpathsareidentified (i.e.supply,exhaustandtransferair).ThesourceoftheairflowdataisthePAIDassociated withtheparticular ventilation systemforthatroom.Thedataidentifies theroomfromwhichtheaircomes,andtheroomtowhichtheairgoes.Sinceairflowsarebalancedto+10/accuracy, aconservative valueof550cfmwasusedforthisroom(500cfmx1.1).TheRCICsupplyandexhaustducthasbackdraftisolation damperstopreventthespreadofsteamtoadjacent h
Ca1c0M-SLD-002 Page8of16roomsintheeventofasteamleak.Thesedampersisolateatadifferentialpressureof2"wg.TheBDID'swouldbeexpectedtocloseunderthepresenceofasteamleak.Tosimplifythemodel,aconservative assumption wasmadewhichleavestheBDID'sopenduringthesteamleak.Thiswouldhavetheeffectofpredicting alowertemp.vs.timeprofile.LeakagePathDataAswiththeairflowdata,allroomsconnected totheleakagepathareidentified.
Theleakagepathareaisonlyusedtoscaletheleakageflowrates fortheentirecompartment underconsideration.
Theintentoftheleakagepathistopreventcompartment pressurization.
Formostrooms<exceptRWCU),onlyoneleakagepathisused,andavalueof1.0sq.ft.isinputtedfortheleakagepatharea.Whenmorethanoneleakagepathexists,actualleakageareascanbeinputtedtobetterunderstand leakageflowsbetweenadjacentcompartments.
4.3HeatLoadDatatHeatLoadTypeThetypeofheatloadwasidentified usingthefollowing nomenclature Type12358Description LightingElectrical PanelsNotol5UnitCoolersPipingMisc.Mechanical Equipment HeatInputRatesTheheatrateinputinBtu/hrfortheassociated heatload.Thevaluesforheatloadtypes1thru3wereobtainedfromReferences 2.2h2.3.Theheatrateinputsfortype4heatloadsareinputtedasnegativevaluessincetheunitcoolersremoveheatfromtheroom.Theheatinputratefortype5heatloadswereinputas-1.ThisvaluedirectsCOTTAPtoobtainpipinginformation necessary tocalculate thepipingheatloads.Theheatinputratefortype8heatloadswasobtainedfromReferences2.252.3,asnecessary fortheappropriate room.  
?~gIL*jR.~~,f Calc&#xb9;M-SLD-002 Page9of16Toachieveaninitialsteady-state condition, amiscellaneous heatload(positive ornegative) wasaddedtothemainroomtobalanceallothertimezeroheatloads.Thisheatloadwasinputtedastype8.NotethatCOTTAPneglectscoldpipeandequipment asheatsinks.Thisrepresents non-conservatism inthiscalculation.
Asamplerunmadetodetermine theeffectsoftheseheatsinksindicated that.resultant temperatures wereonlyslightlylowerthanthevaluespredicted whenneglecting theseheatsinks.Therefare, thiscalculation assumestheeffectsoftheseheatsinksarenegligable.
Forwallsandfloorsincontactwithground,themodelpredictsaconservative valueofheatlosstoground.Theslabsareassumedtobeincontactwithsoilatatemperature of55F.Tomodeltheheatlosstoground,alargevalueofsurfacefilmconvective heattransfercoefficient (100Btu/hr-sq ft-F)hasbeenintroduced onthegroundsideofthefloorsandwallstoachieveagroundcontacttemperature of55F.4.4PipingInputDataOnlypipingwithadesigntemperature greaterthanthatofthenormalroomdesigntemperature wasincluded, sinceCOTTAPignorescoldpipeasaheatsink.Thisgenerally meantthatpipingatorclosetoReactorconditions wasincluded.
Alsonotethatthiscalculation neglectsheatlossfromsmallpipe(i.e.lessthan2"OD).PipeODTheoutsidediameterofthepipewasobtainedfromReference 2.4PipeIDsThepipeschedulewasobtained'rom Reference 2.5~Knowingtheschedule, theinsidediameterwasobtainedfromReference 2.7Insulation ODsTheinsulation ODwasobtainedfromReference 2.11PipeLength:ThepipelengthwasobtainedfromReference 2.4~Emmisivity cTheemmisivity wasobtainedfromReference 2.11  


Calc&#xb9;N-SLD-002Page10of16tInsulationkValueTheinsulationthermalconductivity(k)wasobtainedfromReference2.11PipeFluidTemperature:ThedesignfluidtemperaturewasobtainedfromReference2.6FluidPhaseThestateofthefluidwasdeterminedbyreviewingthesystemPAID'sanddesigntemperatures/pressures.Ifaparticularlinecouldcarrysteamorwater,it,wasassumedtobeliquidforconservatism.4.5GeneralDataForThickSlabsRoomID&#xb9;onSide1Theroomnumberononesideoftheslab.RoomID&#xb9;onSide2Theroomnumberontheothersideoftheslab.Whenslabisadjacenttoground,aroom&#xb9;of"0"isused.ThethicknessoftheslabwasobtainedfromReference2.4HeatTransferAreaTheareaoftheslabwasobtainedfromReference2.4.Theareawascalculatedbyscalingplantventilationdrawings,utilizingcenterlinetocenterlinedimensions.TheslabareasarecalculatedintheDataInputSection(RefertoAppendixA).ThermalConductivityThethermalconductivityoftheconcreteslabswereobtainedfromReference2.8,Chapter23Table34.Avalueof1'Btu/hrftFwasusedforallconcreteslabs.DensityThedensityofallconcreteslabsisassumedtobe140ibm/cuft.ThisvaluewasobtainedfromReference2.8,Chapter23Table34.SpecificHeatThespecificheatforallconcreteslabswasassumedtobe0.22Btu/ibmFasobtainedfromReference2.8,Chapter23Table3A.
Calc&#xb9;N-SLD-002 Page10of16tInsulation kValueTheinsulation thermalconductivity (k)wasobtainedfromReference 2.11PipeFluidTemperature:
fit\r~Ieh Calc&#xb9;M-SLD-002Page11of16e6FilmCoefficientDataForThickSlabsTypew/rtoRoomonSide1ThetypeofslabwithrespecttotheroomonSide1wasdefinedusingthefollowingcodesType1Type2Type3VerticalWallFloorCeilinghl&h2Allfilmcoefficients(h)forinsidewallswerecalculatedbyCOTTAP.ThefilmcoefficientforwallsincontactwithoutsideairwereinputtedasSummerWinter4.0Btu/hr-sqft-F6.0Btu/hr-sqft-F(PerReference2.8,Chapter23,Table1)Avalueof100Btu/hr-sqft-Fwasinputtedforwallsincontactwithground.Thisvaluehelpstosimulateawall(orflour)incontactwithsoilat.55F.Thiswillresultinaconservativepredictionoftheheatlosstogloundo4.7PipeBreakDataFluidPressureThefluidpressurewithinthepipe(psia).Allrooms(exceptRWCU)usedafluidpressureof1000psia,whichwasconsideredrepresentativeofnormalReactorconditions.MassFlowThetotalmassflowexitingthepipebreak(ibm/hr)wasinputtedasfollowsafor5gpmwaterequivalentsteamleak5gal/minx1cuft/7.48galx60min/hrx.02159cuft/ibm~1860ibm/hrvf=0.02159cuft/ibm81000psia(perASMESteamTables)for25gpmwaterequivalentsteamleakc5x1860ibm/hr=9300ibm/hrThebreakoccursatt~0.5hrs.Thisallowstheroomtoreachequilibriumconditionspriortoinitiationofthebreak.Inallroommodels,thebreakmassflowisallowedtoincreaselinearly(ramp)from0ibm/hrtoitsmaximumvalueover0.1hrs.
Thedesignfluidtemperature wasobtainedfromReference2.6FluidPhaseThestateofthefluidwasdetermined byreviewing thesystemPAID'sanddesigntemperatures/pressures.
Gale&#xb9;N-SLD-002Page12of160RESULTS/CONCLUSIONSThefollowingpagesprovidethetemperatureprofilesresultingfromtheRCICPumpRoommodelfortheconditionsstatedbelow1)5gpmwaterequivalentsteamleak(Summer)2)5gpmwaterequivalentsteamleak(Winter)3)25gpmwaterequivalentsteamleak(Summer)4)25gpmwaterequivalentsteamleak(Winter)TheCOTTAPoutputforeachcaseabovecanbefoundasAttachments1thru4,respectively.Eachoutputprovidesasummaryofthedatainput,andtheresultsofeachtimestepwithinthe24hourruntime.AttheendofeachCOTTAPoutput,asummarytableofTempvsTimeinformationisalsoprovided.  
Ifaparticular linecouldcarrysteamorwater,it,wasassumedtobeliquidforconservatism.
4.5GeneralDataForThickSlabsRoomID&#xb9;onSide1Theroomnumberononesideoftheslab.RoomID&#xb9;onSide2Theroomnumberontheothersideoftheslab.Whenslabisadjacenttoground,aroom&#xb9;of"0"isused.Thethickness oftheslabwasobtainedfromReference2.4HeatTransferAreaTheareaoftheslabwasobtainedfromReference 2.4.Theareawascalculated byscalingplantventilation
: drawings, utilizing centerline tocenterline dimensions.
Theslabareasarecalculated intheDataInputSection(RefertoAppendixA).ThermalConductivity Thethermalconductivity oftheconcreteslabswereobtainedfromReference 2.8,Chapter23Table34.Avalueof1'Btu/hrftFwasusedforallconcreteslabs.DensityThedensityofallconcreteslabsisassumedtobe140ibm/cuft.ThisvaluewasobtainedfromReference 2.8,Chapter23Table34.SpecificHeatThespecificheatforallconcreteslabswasassumedtobe0.22Btu/ibmFasobtainedfromReference 2.8,Chapter23Table3A.
fit\r~Ieh Calc&#xb9;M-SLD-002 Page11of16e6FilmCoefficient DataForThickSlabsTypew/rtoRoomonSide1ThetypeofslabwithrespecttotheroomonSide1wasdefinedusingthefollowing codesType1Type2Type3VerticalWallFloorCeilinghl&h2Allfilmcoefficients (h)forinsidewallswerecalculated byCOTTAP.Thefilmcoefficient forwallsincontactwithoutsideairwereinputtedasSummerWinter4.0Btu/hr-sq ft-F6.0Btu/hr-sq ft-F(PerReference 2.8,Chapter23,Table1)Avalueof100Btu/hr-sq ft-Fwasinputtedforwallsincontactwithground.Thisvaluehelpstosimulateawall(orflour)incontactwithsoilat.55F.Thiswillresultinaconservative prediction oftheheatlosstogloundo4.7PipeBreakDataFluidPressureThefluidpressurewithinthepipe(psia).Allrooms(exceptRWCU)usedafluidpressureof1000psia,whichwasconsidered representative ofnormalReactorconditions.
MassFlowThetotalmassflowexitingthepipebreak(ibm/hr)wasinputtedasfollowsafor5gpmwaterequivalent steamleak5gal/minx1cuft/7.48galx60min/hrx.02159cuft/ibm~1860ibm/hrvf=0.02159cuft/ibm81000psia(perASMESteamTables)for25gpmwaterequivalent steamleakc5x1860ibm/hr=9300ibm/hrThebreakoccursatt~0.5hrs.Thisallowstheroomtoreachequilibrium conditions priortoinitiation ofthebreak.Inallroommodels,thebreakmassflowisallowedtoincreaselinearly(ramp)from0ibm/hrtoitsmaximumvalueover0.1hrs.
Gale&#xb9;N-SLD-002 Page12of160RESULTS/CONCLUSIONS Thefollowing pagesprovidethetemperature profilesresulting fromtheRCICPumpRoommodelfortheconditions statedbelow1)5gpmwaterequivalent steamleak(Summer)2)5gpmwaterequivalent steamleak(Winter)3)25gpmwaterequivalent steamleak(Summer)4)25gpmwaterequivalent steamleak(Winter)TheCOTTAPoutputforeachcaseabovecanbefoundasAttachments 1thru4,respectively.
Eachoutputprovidesasummaryofthedatainput,andtheresultsofeachtimestepwithinthe24hourruntime.AttheendofeachCOTTAPoutput,asummarytableofTempvsTimeinformation isalsoprovided.  


RCICPUMPROOMHEATUPEVALUATION(5GPMSTEAMLEAK/SUMMER)200180RCICPUMPROOMtldATUPEVALUATION(5GPMSTdAMLdAR/SUMMSR)(3160LLJI-1401201000101571dd(Md)0.4000.5000.$$00.600.0.7000.$000.9001.0001.5002.0002.5003.0003.5004.0004.$00$.0005.5008.000e.soo7.0007.$008ono9.000anono>>conI:iinnI~UI~.4ono~~Uon11.00017.0001800019unn=>,00041.00022.00023.00024.000RoodrI104.00104.$1104.4$104.3d104.67104.92114.49122.nd133.83139.44144.63'147.821$6.31162.60165.68170.$3173.3$174.7$175.49177.35179.14180.37179.69181.75182.29182.45183.54184.9318$.24185.8618S.66186.78187.19186.431877$1874$187.90187.981$7.25'ldd.Id18$.$218$.57ROOM/20RoodrRoodrTSMPERATURd(OSGP)RoodrROOMrRoodrRood~R00Mr'h.XcAIID0f25TIME(HRS)
RCICPUMPROOMHEATUPEVALUATION (5GPMSTEAMLEAK/SUMMER) 200180RCICPUMPROOMtldATUPEVALUATION (5GPMSTdAMLdAR/SUMMSR)
(3160LLJI-1401201000101571dd(Md)0.4000.5000.$$00.600.0.7000.$000.9001.0001.5002.0002.5003.0003.5004.0004.$00$.0005.5008.000e.soo7.0007.$008ono9.000anono>>conI:iinnI~UI~.4ono~~Uon11.00017.0001800019unn=>,00041.00022.00023.00024.000RoodrI104.00104.$1104.4$104.3d104.67104.92114.49122.nd133.83139.44144.63'147.821$6.31162.60165.68170.$3173.3$174.7$175.49177.35179.14180.37179.69181.75182.29182.45183.54184.9318$.24185.8618S.66186.78187.19186.431877$1874$187.90187.981$7.25'ldd.Id18$.$218$.57ROOM/20RoodrRoodrTSMPERATURd (OSGP)RoodrROOMrRoodrRood~R00Mr'h.XcAIID0f25TIME(HRS)
A(VS'~4  
A(VS'~4  
:RCICPUMPROOMHEATUPEVALUATION(5GPMSTEAMLEAK/WINTER)200180*I'160(3LJJ140LIJ120CL10080TIIIE(HR)0.0000.1000.2000.3000.4000.500O.sso0.$000.7000.$000.0001.0001.5002.0002.5003.0003.5004.0004.5005.0005.500S.OOOS.sno7.0007.500$.0009.00010.000'Il.ooo12.00013.00014.00015.00015.00017.00018.00010.00020.0002100022.00023.00024.000Roolle7$.007~.171$.241$.2$78.3$1$.4403.27107.7~1142011$.42121.05123.7413$.03144.34150.24IS4.01IS8.70151.SQ154.21155.50188.43I$0.74111.13112.38113.451743Q17S.Q4177.18177.0717$.52170.51-180.10180.51151.071$1.44IS'I.SO102.11182.441$2.851$2.$0183.Io1$3.32ROOIIPROOIIFROOIIPTEIIPFRATURE(DEGF)RooileRoolleROONPRoolleROONPRCICPUIIPROOIIHEATUPEVALUATION(5GPIISTEAIILEAKININTER)QII+-r'IO600jo152025TIME(HRS)  
:RCICPUMPROOMHEATUPEVALUATION (5GPMSTEAMLEAK/WINTER) 200180*I'160(3LJJ140LIJ120CL10080TIIIE(HR)0.0000.1000.2000.3000.4000.500O.sso0.$000.7000.$000.0001.0001.5002.0002.5003.0003.5004.0004.5005.0005.500S.OOOS.sno7.0007.500$.0009.00010.000'Il.ooo12.00013.00014.00015.00015.00017.00018.00010.00020.0002100022.00023.00024.000Roolle7$.007~.171$.241$.2$78.3$1$.4403.27107.7~1142011$.42121.05123.7413$.03144.34150.24IS4.01IS8.70151.SQ154.21155.50188.43I$0.74111.13112.38113.451743Q17S.Q4177.18177.0717$.52170.51-180.10180.51151.071$1.44IS'I.SO102.11182.441$2.851$2.$0183.Io1$3.32ROOIIPROOIIFROOIIPTEIIPFRATURE (DEGF)RooileRoolleROONPRoolleROONPRCICPUIIPROOIIHEATUPEVALUATION (5GPIISTEAIILEAKININTER)
:RCICPUMPROOMHEATUPEVALUATION(25GPMSTEAMLEAK/SUMMER)250RCICPUIIPROOIIIIEATUPEVAI.UATIOk(25GPIISTEAIII.EAK/SUIIIIER)200LdC3LdEKLdCL150LdI-1000TIREtIIR)0.0000.1000.2000.3000.4000.5000.5500.5000.7000.$000.0001.000'I.SOO2.0002.5003.0003.5004.0004.5005.0005.500d.0004.5007.0007.500$.0000.00010.00011.00012.00013.0001400015.00015.00017.0001$.00010.00020.00021,000.12.00023.00024.0001015TIME(HRS)ROOII~I104.00104.51105.0$105.55IOS.10104.$5151.41172.72205.07214.33210.0$222.3422$.5$210.00230.74231.30231.77232.13232.54233.01233.37233.4Q233.70133.02234.21234.5023S.OS235.4$236.5723d.dl235.IQ23d.21235F04235.03234.S3235.14234.3'I234.5d23$.17234.24235F70235.1~ROOIIs20ROOUSROOUSROOIIS25'TEIIPERATURE(OEGF)ROOIISROOIISROOIISROOIISFIIOOC  
QII+-r'IO600jo152025TIME(HRS)  
+g440 tRCICPLIMPROOMHEATUPEVALUATION(25GPMSTEAMLEAKjWINTER)250200C3150I-CLI-10050010RClCPURP7IIIE(IIR)0,00001000.2000.$000.4000~5000.5500.$000.7000.$000.$00I,0001.5002.0002.600$.0003.6004.0004.6005.0006.6005.0005.6007.0007.500$.000$.0001000011.00012.0001$.00014.00016.00015.00017.000I~.00015.00020.00021.00022.0002$.00024.00015''RooilIIEATUPEVAI.UATIOII(26GPIISTEAIII.EAR/WIIITER)TEIIPERATURE(OEGP)RoollrRoosrRoollrRooilrRoollrRoollrRoollrROollrI7'007$.177'247$.2$7$,$57'4414$.5$I~1.671$115205.4$212.27215.$722d.$7227.3222$.1022$.5522$.0422$.2d229.72230.002$0.Id2S0.3$2$0.702$0.$52$1.'Id231.'II2$1.6$2$1.032$2.40232.562$2.$12$2.0$2$$.2$2$3.532$4.062$4.04234.022$4.032$4.5$234.$2234.$12$6~12Roolir12520n60TIME(HRS) vJ':E+W~pl}}
:RCICPUMPROOMHEATUPEVALUATION (25GPMSTEAMLEAK/SUMMER) 250RCICPUIIPROOIIIIEATUPEVAI.UATIOk (25GPIISTEAIII.EAK/SUIIIIER) 200LdC3LdEKLdCL150LdI-1000TIREtIIR)0.0000.1000.2000.3000.4000.5000.5500.5000.7000.$000.0001.000'I.SOO2.0002.5003.0003.5004.0004.5005.0005.500d.0004.5007.0007.500$.0000.00010.00011.00012.00013.0001400015.00015.00017.0001$.00010.00020.00021,000.12.00023.00024.0001015TIME(HRS)ROOII~I104.00104.51105.0$105.55IOS.10104.$5151.41172.72205.07214.33210.0$222.3422$.5$210.00230.74231.30231.77232.13232.54233.01233.37233.4Q233.70133.02234.21234.5023S.OS235.4$236.5723d.dl235.IQ23d.21235F04235.03234.S3235.14234.3'I234.5d23$.17234.24235F70235.1~ROOIIs20ROOUSROOUSROOIIS25'TEIIPERATURE (OEGF)ROOIISROOIISROOIISROOIISFIIOOC  
+g440 tRCICPLIMPROOMHEATUPEVALUATION (25GPMSTEAMLEAKjWINTER)250200C3150I-CLI-10050010RClCPURP7IIIE(IIR)0,00001000.2000.$000.4000~5000.5500.$000.7000.$000.$00I,0001.5002.0002.600$.0003.6004.0004.6005.0006.6005.0005.6007.0007.500$.000$.0001000011.00012.0001$.00014.00016.00015.00017.000I~.00015.00020.00021.00022.0002$.00024.00015''RooilIIEATUPEVAI.UATIOII (26GPIISTEAIII.EAR/WIIITER)
TEIIPERATURE (OEGP)RoollrRoosrRoollrRooilrRoollrRoollrRoollrROollrI7'007$.177'247$.2$7$,$57'4414$.5$I~1.671$115205.4$212.27215.$722d.$7227.3222$.1022$.5522$.0422$.2d229.72230.002$0.Id2S0.3$2$0.702$0.$52$1.'Id231.'II2$1.6$2$1.032$2.40232.562$2.$12$2.0$2$$.2$2$3.532$4.062$4.04234.022$4.032$4.5$234.$2234.$12$6~12Roolir12520n60TIME(HRS) vJ':E+W~pl}}

Revision as of 19:45, 29 June 2018

Steam Leak Detection Calculation - RCIC Pump Room,Unit 1.
ML17157A806
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Issue date: 07/24/1989
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ML17157A805 List:
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M-SLD-002, M-SLD-2, NUDOCS 9108260176
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Text

~~~CALCULATION COVERSHEETCALC.NO.-SLD-oo2.

FILENO.R2.-lSUPERSEDED BYklA.SAFETY-RELATED fp',1ASIDEIIIORXI[]OTHEP,QUALITYIjNONQUALITYI1PROJECTSMLED(<DE>cc~omFkoJgcTER/CTNNO.klanDESIGNACTIVITY/PNR NUMBEREWK+h4SioooPAGE1OFI(,TITLE/DESCRIPTION SmarmLanai<DaracTiou CA<.c-RcZc.PunrtpCoo~(UmiT')SYSTEMSAFFECTEDSOBS&So5oRcFmvopicr=>Fans~mHBJfoF-paosi.aah.

DGNBSSH-Q-208RN-Q-REF~tOATlACHROOO~lGWXiJPVTGC~ac.h~MC7HLSChi-QJLATla~.

MFATuPA&6+Fo&~F~~cc~.F'~<aIZFo~Cuuugrcy(conc-~us~oms.

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[]YES-IfYesenter:BinderIICalc.Fi1eI.X]NOVol.Pgs.REV.NO.DATE0778PREPAREDBYREVIEWED/CHECKED BYDATEAPPROVEDBYDATEog9108260'176.

910819.PDRAOOCKOS000387,,P..-.,PDRmls/frb006i (12) gl1'.3' Calc0M-SLD-002 Page2of16TABLEOFCONTENTS1.0PURPOSE~~~~~~~~~~%~~~~~~~~~~~~S~0~~~~~0~0$$~~~~~~~

32.0REFERENCES

~~~~~~~~~~~~1~~~~~~~~~~~~~~0~~~E~~~~~1~S~~3~0ASSUMPTIONS~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~54.0METHODOLOGY 0$~~~~0~~~~~~~~~~~0~~~0~~~~\~~~~S~~~~~0..~~65.0RESULTS/CONCLUSIONS

.............................

~.....12ATTACHMENT 1COTTAPOutputforRCICPumpRoom-5GPMLeak(Summer)ATTACHMENT 2COTTAPOutputforRCICPumpRoom-5GPMLeak(Winter)ATTACHMENT ITACHMENT 4COTTAPOutputforRCICPumpRoom-25GPMLeak(Summer)COTTAPOutputforRCICPumpRoom-25GPMLeak(Winter)APPENDIXADataInputSection-RCICPumpRoom(I-12/I-107)

Calc¹N-SLD-002 Page3oflh1;0PURPOSEThepurposeofthiscalculation istopredicttheroomtemperature profileexpectedwhenasmallsteamleakisintroduced intheUnitiRCICPump-Room.

Theresultsofthiscalculation willbeusedasabasisfordevelopment ofSteamLeakDetection Systemsetpoints.

Calc¹N-SLD-002 Page4of1621Calc¹N-RAF-024, Rev.0"RBPostDBATransient Temperature Analysis" 2.2Bechte1Ca1c,¹176-18,Rev.5"RBCoolingNodes"2a3SEA-EE-129, Rev.0"SSESUnit1andUnit2ReactorBuildingHeatLoads"DrawingsPAIDN-176,Rev.20PAIDN-149,Rev.30PAIDN-150,Rev.17V-28-1,Rev.15V-28-2,Rev.14V-28-3,Rev.17C-105,Rev.20C-134,Rev.15C-156,Rev.12C-111,Rev.15C-117,Rev.17DBB-109-2, Rev.8GBD-135-1, Rev.3t.5N-19'9PipingClassSheets2.6SEISPipelineGeneralIndex2.7CraneTechnical PaperNo.410,23rdPrinting2.8ASHRAE1985Fundamentals Handbook2.9FSARTable3.11-62.10FSARSection5.2~5.1.32.112.12Calc¹N-PAF-001, Rev.1"HVACEnvironmental Analysis-ReactorBuildings 5ControlStructure" COTTAP-2TheoryandInputDescription Nanual(User'sManual),Rev.1,dated1/27/89.

Gale0M-SLD-002 Page5oflh0ASSUMPTIONS i)Plantisoperating undernormalconditions priortointroducing asteamleak.2)Alladjacentroomswillbemaintained attheirdesignmaximumtemperature forsummerconditions andattheaveragetemperature forthemonthofJanuary(ifblue-boxdataisavailable) forwinterconditions.

Wherewintertemperature dataisnotavailable, thedesignminimumtemperature of60Fwillbeused.3)Theroomunderconsideration willnotbeallowedtopressurize, astheblowoutpanelwillrelieveatapproximately 0.5psid.Therefore, aleakagepathoutoftheroomwillbeusedtomaintainpressureascloseto14.7psiaaspossible.

Thetemperature effectsduetoslightroompressurization areassumedtobenegligeble.

4>Theeffectsofadjacentroomheatuparenotconsidered inthisanalysis(i.e.adjacentroomtemperatures areheldconstant>.

Thisresultsinaconservative temperature profilef'rtheroomunderconsideration.

Theactualadjacentroomheatupduetothesteamleakisexpectedtobeminimal(whenconsidering conductive heatlasses).5)TheCQTTAPmodelassumesperfectmixingoftheairandsteamintheroomunderconsideration.

MdW-5+p~li Calc¹N-SLD-002 Page6of16TheCompartment Transient Temperature AnalysisProgram(COTTAP)wasusedtoanalyzetheaffectsofasteamleakinvariousroomswithintheplant.Theprogrampredicted temperature profilesfortheroomunderconsideration withthefollowing setofconditions 1)5gpmwaterequivalent steamleak(Summer)2)5gpmwaterequivalent steamleak(Winter)3)25gpmwaterequivalent steamleak(Summer)4)25gpmwaterequivalent steamleak(Winter)Theindividual roommodelsweredeveloped fromvarioussourcesofinformation, asidentified inSection2.0References.

TheresultswillconsistoftheCOTTAPoutputandtheplotsofvariousprofilesfortheconditions statedabove.Thefollowing discussion isprovidedtooutlinethestepsusedindeveloping theindividual roommodels.4.1GeneralDataForRoomsRoomVolumesTheroomvolumewastakenfromReference 2.1fortheroomunderconsideration.

Adjacent.

roomvolumesweresettoalargevalue(i.e.1.0EE15cu.ft.)tomaintainconstantproperties suchastemperature, pressureandrelativehumidity.

InitialPressureAllroomswereassumedtobeataninitialpressureof14.7psia.InitialTemperature Allroomswereassumedtobeattheirmaximumnormaldesigntemperature initially forsummerconditions.

Actualwinterdatawasused,whereavailable, asastartingpointforthewinterruns.Thewinterdatawastakenasthe"blue-box"averagetemperature forJanuary1988.TheJanuarydatawasconsidered tobemoreconservative thanFebruarydata.Whereactualwinterdatawasnotavailable, thedesignminimumroomtemperature of60Fwasused.Wherewinterdatawasnotavailable fortheroominquestion, theroomwasstartedatatemperature whichallowsittoreachasteady-statewithitsadjacentrooms.

<<;SKJk>>Cf'c[5~

Gale0N-SLD-002

,Page7of16Theoutsideambienttemperature wastakenas79F(summer)and26F(winter).

ThesummerambientwastakenfromReference 2.8asthe24hourdailyaveragetemperature, baseduponthe1%ASHRAEdesignvaluefortheNilkes-Barre/

Scrantonarea.ThewintervaluewastakenastheactualmonthlyaverageforJanuaryovertheyears1986thru1989.Thisaveragewasbasedupon,SSES Neteorological Datatakenfromtheplantcomputer.

Acomparison ofFebruarydataoverthissametimeperiodindicated thattheJanuarydatawasmoreconservative.

RelativeHumidityTherelativehumidityforallroomsconnected byventilation orleakagepathsisbaseduponsupplyairtemperatures of85F(summer)and60F(winter)at90/RH.Airattheseconditions wasthenallowedtoheatup(sensible heatingonly)totheinitialroomtemperature, andthecorresponding RHvaluewascalculated orreadfromthepsychrometric chart.RoomHeightThisvalueisnolongerusedbyCOTTAP.It'originalpurposewasassociated withthewallcondensation calculation usedwithinCOTTAP.COTTAPhasbeenrevisedandnolongerusesthisinformation.

Therefore, avalueof10.0ftwasinputtedforeachroom.Thisvaluehasnosignificance tothecalculation.

Natethattheactualroomheightwasusedinthecalculation ofroomvolume.4.2AirflowandLeakagePathDataAirflowDataThedesignairflowisprovidedfortheroomunderconsideration.

Allflowpathsareidentified (i.e.supply,exhaustandtransferair).ThesourceoftheairflowdataisthePAIDassociated withtheparticular ventilation systemforthatroom.Thedataidentifies theroomfromwhichtheaircomes,andtheroomtowhichtheairgoes.Sinceairflowsarebalancedto+10/accuracy, aconservative valueof550cfmwasusedforthisroom(500cfmx1.1).TheRCICsupplyandexhaustducthasbackdraftisolation damperstopreventthespreadofsteamtoadjacent h

Ca1c0M-SLD-002 Page8of16roomsintheeventofasteamleak.Thesedampersisolateatadifferentialpressureof2"wg.TheBDID'swouldbeexpectedtocloseunderthepresenceofasteamleak.Tosimplifythemodel,aconservative assumption wasmadewhichleavestheBDID'sopenduringthesteamleak.Thiswouldhavetheeffectofpredicting alowertemp.vs.timeprofile.LeakagePathDataAswiththeairflowdata,allroomsconnected totheleakagepathareidentified.

Theleakagepathareaisonlyusedtoscaletheleakageflowrates fortheentirecompartment underconsideration.

Theintentoftheleakagepathistopreventcompartment pressurization.

Formostrooms<exceptRWCU),onlyoneleakagepathisused,andavalueof1.0sq.ft.isinputtedfortheleakagepatharea.Whenmorethanoneleakagepathexists,actualleakageareascanbeinputtedtobetterunderstand leakageflowsbetweenadjacentcompartments.

4.3HeatLoadDatatHeatLoadTypeThetypeofheatloadwasidentified usingthefollowing nomenclature Type12358Description LightingElectrical PanelsNotol5UnitCoolersPipingMisc.Mechanical Equipment HeatInputRatesTheheatrateinputinBtu/hrfortheassociated heatload.Thevaluesforheatloadtypes1thru3wereobtainedfromReferences 2.2h2.3.Theheatrateinputsfortype4heatloadsareinputtedasnegativevaluessincetheunitcoolersremoveheatfromtheroom.Theheatinputratefortype5heatloadswereinputas-1.ThisvaluedirectsCOTTAPtoobtainpipinginformation necessary tocalculate thepipingheatloads.Theheatinputratefortype8heatloadswasobtainedfromReferences2.252.3,asnecessary fortheappropriate room.

?~gIL*jR.~~,f Calc¹M-SLD-002 Page9of16Toachieveaninitialsteady-state condition, amiscellaneous heatload(positive ornegative) wasaddedtothemainroomtobalanceallothertimezeroheatloads.Thisheatloadwasinputtedastype8.NotethatCOTTAPneglectscoldpipeandequipment asheatsinks.Thisrepresents non-conservatism inthiscalculation.

Asamplerunmadetodetermine theeffectsoftheseheatsinksindicated that.resultant temperatures wereonlyslightlylowerthanthevaluespredicted whenneglecting theseheatsinks.Therefare, thiscalculation assumestheeffectsoftheseheatsinksarenegligable.

Forwallsandfloorsincontactwithground,themodelpredictsaconservative valueofheatlosstoground.Theslabsareassumedtobeincontactwithsoilatatemperature of55F.Tomodeltheheatlosstoground,alargevalueofsurfacefilmconvective heattransfercoefficient (100Btu/hr-sq ft-F)hasbeenintroduced onthegroundsideofthefloorsandwallstoachieveagroundcontacttemperature of55F.4.4PipingInputDataOnlypipingwithadesigntemperature greaterthanthatofthenormalroomdesigntemperature wasincluded, sinceCOTTAPignorescoldpipeasaheatsink.Thisgenerally meantthatpipingatorclosetoReactorconditions wasincluded.

Alsonotethatthiscalculation neglectsheatlossfromsmallpipe(i.e.lessthan2"OD).PipeODTheoutsidediameterofthepipewasobtainedfromReference 2.4PipeIDsThepipeschedulewasobtained'rom Reference 2.5~Knowingtheschedule, theinsidediameterwasobtainedfromReference 2.7Insulation ODsTheinsulation ODwasobtainedfromReference 2.11PipeLength:ThepipelengthwasobtainedfromReference 2.4~Emmisivity cTheemmisivity wasobtainedfromReference 2.11

Calc¹N-SLD-002 Page10of16tInsulation kValueTheinsulation thermalconductivity (k)wasobtainedfromReference 2.11PipeFluidTemperature:

Thedesignfluidtemperature wasobtainedfromReference2.6FluidPhaseThestateofthefluidwasdetermined byreviewing thesystemPAID'sanddesigntemperatures/pressures.

Ifaparticular linecouldcarrysteamorwater,it,wasassumedtobeliquidforconservatism.

4.5GeneralDataForThickSlabsRoomID¹onSide1Theroomnumberononesideoftheslab.RoomID¹onSide2Theroomnumberontheothersideoftheslab.Whenslabisadjacenttoground,aroom¹of"0"isused.Thethickness oftheslabwasobtainedfromReference2.4HeatTransferAreaTheareaoftheslabwasobtainedfromReference 2.4.Theareawascalculated byscalingplantventilation

drawings, utilizing centerline tocenterline dimensions.

Theslabareasarecalculated intheDataInputSection(RefertoAppendixA).ThermalConductivity Thethermalconductivity oftheconcreteslabswereobtainedfromReference 2.8,Chapter23Table34.Avalueof1'Btu/hrftFwasusedforallconcreteslabs.DensityThedensityofallconcreteslabsisassumedtobe140ibm/cuft.ThisvaluewasobtainedfromReference 2.8,Chapter23Table34.SpecificHeatThespecificheatforallconcreteslabswasassumedtobe0.22Btu/ibmFasobtainedfromReference 2.8,Chapter23Table3A.

fit\r~Ieh Calc¹M-SLD-002 Page11of16e6FilmCoefficient DataForThickSlabsTypew/rtoRoomonSide1ThetypeofslabwithrespecttotheroomonSide1wasdefinedusingthefollowing codesType1Type2Type3VerticalWallFloorCeilinghl&h2Allfilmcoefficients (h)forinsidewallswerecalculated byCOTTAP.Thefilmcoefficient forwallsincontactwithoutsideairwereinputtedasSummerWinter4.0Btu/hr-sq ft-F6.0Btu/hr-sq ft-F(PerReference 2.8,Chapter23,Table1)Avalueof100Btu/hr-sq ft-Fwasinputtedforwallsincontactwithground.Thisvaluehelpstosimulateawall(orflour)incontactwithsoilat.55F.Thiswillresultinaconservative prediction oftheheatlosstogloundo4.7PipeBreakDataFluidPressureThefluidpressurewithinthepipe(psia).Allrooms(exceptRWCU)usedafluidpressureof1000psia,whichwasconsidered representative ofnormalReactorconditions.

MassFlowThetotalmassflowexitingthepipebreak(ibm/hr)wasinputtedasfollowsafor5gpmwaterequivalent steamleak5gal/minx1cuft/7.48galx60min/hrx.02159cuft/ibm~1860ibm/hrvf=0.02159cuft/ibm81000psia(perASMESteamTables)for25gpmwaterequivalent steamleakc5x1860ibm/hr=9300ibm/hrThebreakoccursatt~0.5hrs.Thisallowstheroomtoreachequilibrium conditions priortoinitiation ofthebreak.Inallroommodels,thebreakmassflowisallowedtoincreaselinearly(ramp)from0ibm/hrtoitsmaximumvalueover0.1hrs.

Gale¹N-SLD-002 Page12of160RESULTS/CONCLUSIONS Thefollowing pagesprovidethetemperature profilesresulting fromtheRCICPumpRoommodelfortheconditions statedbelow1)5gpmwaterequivalent steamleak(Summer)2)5gpmwaterequivalent steamleak(Winter)3)25gpmwaterequivalent steamleak(Summer)4)25gpmwaterequivalent steamleak(Winter)TheCOTTAPoutputforeachcaseabovecanbefoundasAttachments 1thru4,respectively.

Eachoutputprovidesasummaryofthedatainput,andtheresultsofeachtimestepwithinthe24hourruntime.AttheendofeachCOTTAPoutput,asummarytableofTempvsTimeinformation isalsoprovided.

RCICPUMPROOMHEATUPEVALUATION (5GPMSTEAMLEAK/SUMMER) 200180RCICPUMPROOMtldATUPEVALUATION (5GPMSTdAMLdAR/SUMMSR)

(3160LLJI-1401201000101571dd(Md)0.4000.5000.$$00.600.0.7000.$000.9001.0001.5002.0002.5003.0003.5004.0004.$00$.0005.5008.000e.soo7.0007.$008ono9.000anono>>conI:iinnI~UI~.4ono~~Uon11.00017.0001800019unn=>,00041.00022.00023.00024.000RoodrI104.00104.$1104.4$104.3d104.67104.92114.49122.nd133.83139.44144.63'147.821$6.31162.60165.68170.$3173.3$174.7$175.49177.35179.14180.37179.69181.75182.29182.45183.54184.9318$.24185.8618S.66186.78187.19186.431877$1874$187.90187.981$7.25'ldd.Id18$.$218$.57ROOM/20RoodrRoodrTSMPERATURd (OSGP)RoodrROOMrRoodrRood~R00Mr'h.XcAIID0f25TIME(HRS)

A(VS'~4

RCICPUMPROOMHEATUPEVALUATION (5GPMSTEAMLEAK/WINTER) 200180*I'160(3LJJ140LIJ120CL10080TIIIE(HR)0.0000.1000.2000.3000.4000.500O.sso0.$000.7000.$000.0001.0001.5002.0002.5003.0003.5004.0004.5005.0005.500S.OOOS.sno7.0007.500$.0009.00010.000'Il.ooo12.00013.00014.00015.00015.00017.00018.00010.00020.0002100022.00023.00024.000Roolle7$.007~.171$.241$.2$78.3$1$.4403.27107.7~1142011$.42121.05123.7413$.03144.34150.24IS4.01IS8.70151.SQ154.21155.50188.43I$0.74111.13112.38113.451743Q17S.Q4177.18177.0717$.52170.51-180.10180.51151.071$1.44IS'I.SO102.11182.441$2.851$2.$0183.Io1$3.32ROOIIPROOIIFROOIIPTEIIPFRATURE (DEGF)RooileRoolleROONPRoolleROONPRCICPUIIPROOIIHEATUPEVALUATION (5GPIISTEAIILEAKININTER)

QII+-r'IO600jo152025TIME(HRS)

RCICPUMPROOMHEATUPEVALUATION (25GPMSTEAMLEAK/SUMMER) 250RCICPUIIPROOIIIIEATUPEVAI.UATIOk (25GPIISTEAIII.EAK/SUIIIIER) 200LdC3LdEKLdCL150LdI-1000TIREtIIR)0.0000.1000.2000.3000.4000.5000.5500.5000.7000.$000.0001.000'I.SOO2.0002.5003.0003.5004.0004.5005.0005.500d.0004.5007.0007.500$.0000.00010.00011.00012.00013.0001400015.00015.00017.0001$.00010.00020.00021,000.12.00023.00024.0001015TIME(HRS)ROOII~I104.00104.51105.0$105.55IOS.10104.$5151.41172.72205.07214.33210.0$222.3422$.5$210.00230.74231.30231.77232.13232.54233.01233.37233.4Q233.70133.02234.21234.5023S.OS235.4$236.5723d.dl235.IQ23d.21235F04235.03234.S3235.14234.3'I234.5d23$.17234.24235F70235.1~ROOIIs20ROOUSROOUSROOIIS25'TEIIPERATURE (OEGF)ROOIISROOIISROOIISROOIISFIIOOC

+g440 tRCICPLIMPROOMHEATUPEVALUATION (25GPMSTEAMLEAKjWINTER)250200C3150I-CLI-10050010RClCPURP7IIIE(IIR)0,00001000.2000.$000.4000~5000.5500.$000.7000.$000.$00I,0001.5002.0002.600$.0003.6004.0004.6005.0006.6005.0005.6007.0007.500$.000$.0001000011.00012.0001$.00014.00016.00015.00017.000I~.00015.00020.00021.00022.0002$.00024.00015RooilIIEATUPEVAI.UATIOII (26GPIISTEAIII.EAR/WIIITER)

TEIIPERATURE (OEGP)RoollrRoosrRoollrRooilrRoollrRoollrRoollrROollrI7'007$.177'247$.2$7$,$57'4414$.5$I~1.671$115205.4$212.27215.$722d.$7227.3222$.1022$.5522$.0422$.2d229.72230.002$0.Id2S0.3$2$0.702$0.$52$1.'Id231.'II2$1.6$2$1.032$2.40232.562$2.$12$2.0$2$$.2$2$3.532$4.062$4.04234.022$4.032$4.5$234.$2234.$12$6~12Roolir12520n60TIME(HRS) vJ':E+W~pl

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