ML17229A178

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Rev 0 to Fire Barrier Ampacity Correction Factors Extrapolation of Test Results for 3 Hour Barrier.
ML17229A178
Person / Time
Site: Saint Lucie  NextEra Energy icon.png
Issue date: 04/10/1996
From:
FLORIDA POWER & LIGHT CO.
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Shared Package
ML17229A176 List:
References
PTN-BFJM-96-005, PTN-BFJM-96-005-R00, PTN-BFJM-96-5, PTN-BFJM-96-5-R, NUDOCS 9612260324
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PageiCALCULATIONCOVERSHEETCalculationNo:PTN-BFJH-96-005Title:FireBarrierAmacitCorrectionFactors-ExtraolationofTestResultsfor3HourBarrierNo.OriginalIssueDescritionBy!l(~DateChkdDateApprDateREVISIONSForm82A,Rev6/949hi22603249hi2i9PDRADQCK05000335PPDR

PageiiLISTOFEFFECTIVEPAGESCalculationNo.PTN-BFJM-96-005Rev.TitleFireBarrierAmacitCorrectionFactors-ExtraolationofTestResultsfor3HourBarrierPae1ll1111234567891,234555556SectionRev.0000000000'0PaeSectionRev.A1A2A3A415Pages)1Page)3Pages)2Pages)Form82B,Rev6/94

PageiiiTABLEOFCONTENTSCALCULATIONNUMBERPTN-BFJM-96-005REV.SECTION1.02.03.04.05.06.0TITLECoverSheetListofEffectivePagesTableofContentsPurpose/ScopeReferencesMethodologyAssumptions/BasesCalculationResultsPAGESATTACHNO.TITLEPAGESOmegaPointLabTestReportkl2340-.94583,95165,95168,95246,"ElectricalTestto'eterminetheAmpacityDeratingofaProtectiveEnvelopeforClass1EElectricalConduits"ANSIC80.1-1990Table2-"DimensionsandWeightsofRigidSteelConduits"EbascoCalculationEC-096,"CableAmpacityAndVoltageDropCalculation"AddendumBPages2,3,4.15TSIInc.,Thermolag330-1ThermalProperties2Form82C,Rev6/94 CALCULATIONSHEETREV'SHEETNO.1.0Purpose/ScopeGL92-08(Ref.2.1)hasrequiredFPLtoreviewtheampacitycorrectionfactors(ACF)usedforracewaywithfirebarriers.TheampacitycorrectionwillbebasedontestingperformedatOmegaPointLaboratoriesforTexasUtilitiesComanchePeakPlant.Thetestingincludedconduitandcabletraywitha1Hourfirebarrierinstalled.Thiscalculationwilluseheattransfercalculationstoextrapolatetheresultsfromthe1hourbarrierteststothreehourratedbarriersusedattheTurkeyPointandSt.LuciePlants.2.0References2.1GL-92-08,"Thermo-Lag330-1FireBarriers"DatedDecember17,1992.2.2OmegaPointLabTestReport¹12340-94583,95165,95168,95246,"ElectricalTesttoDeterminetheAmpacityDeratingofaProtectiveEnvelopeforClasslEElectricalConduits"(IncludedasAttachment1)2.3ASHRAEHandbook,1991Fundamentals2.4NRCSafetyEvaluationofAmpacityIssuesRelatedtoThermo-LagFireBarriersatComanchePeakSteamElectricStation,Unit2(TACNo.H8599)DatedJune14,1995.ANSIC80.1-1990,Table2"DimensionsandWeightsofRigidSteelConduits"(IncludedasAttachment2)2.6EbascoCalculationEC-096,"CableAmpacityAndVoltageDropCalculation"(IncludedasAttachment3)2.7.TSIInc.,Thermolag330-1ThermalProperties(IncludedasAttachment4)Form83,Rev6/94 CALCULATIONSHEETI;CALCULATIONNO.PTN-BFJM-96-005REV0SHEETNO.3.0Methodology-THERI'AO-LAGCONDUITCABLERiRtRsRgHeattransferwillbecalculatedperfootofracewaylengthinaccordancewiththefollowingrelationship:q(Tc-Ta)/(Ri+Rg+Rt+Rs)qTcTaRiRgRtRsRateofheattransferfromracewayTemperatureofconductor(90'C/194'F)Ambienttemperature(40'C/104'F)ThermalresistanceofallitemswithintheracewayincludingtheracewayitselfThermalresistanceoftheairgapbetweentheracewayandthefirebarriermaterialThermalresistanceofthefirebarriermaterialThermalresistanceatthesurfaceoftheprotectedorunprotectedracewayTheheattransferredfromtheracewayundersteadystateconditionsisessentiallyequaltotheI'Rlosseswithintheconductors.Theseheatvaluescanbedeterminedfromthetestdatabasedonthemeasuredcurrentandsizeofconductorused.TcandTaarefixedtestparameterswithvalueswhicharelistedabove.Form83,Rev6/94 CALCULATIONSHEET0CALCULATIONNO.PTN-BFJH-96-005REV0SHEETNO.Thethermalresistancevalueswillbedeterminedbasedontestdataandphysicalpropertiesasfollows:RiwillbecalculatedfromthetestdataforracewaywithoutfirebarrierRgwillbecalculatedfromthetestdataforracewaywithaIhourbarrierRtwillbecalculatedbasedontheknownthermalconductivity(k)forThe~mn-LagRswillbebasedunknownphysicalpropertiesconsideringconvectionaridradiationheattransfer.Afterallofthethermalresistancevalueshavebeenestablished,theheattransferredcanbecalculatedfortheracewaywiththethreehourbarrier.Sincetheheatisafunctionofthecurrentsquared,theampacitycorrectionfactor(ACF)willbedeterminedbythefollowingrelationship.ACFI/IV(q,~qwherethesubscriptpreferstotheprotectedraceway4.24.34.44.54.6Assumptions/BasesTheeffectofinductivelossesintheracewayandcablesheathwillbenegligiblewithrespecttoapplyingthetestdatatotheTurkeyPointandSt.Lucieconfigurations,Surfaceemittanceforcable,raceway,andThermo-Lagwillbeassumedtobeequalto0.9.Notethatahighemittancevaluewillreducethethermalresistanceatthesurfacehavinganoveralleffectofmaximizingtheampacityde-rating.Heattransferthroughthesidesofcabletraywillbeassumedtobezero.Thiswillreducetheheattransferequationfortraytoaonedimensionalheattransferequation.Asthetestedcabletrayisrelativelywide,24",thisisexpectedtobeagoodapproximationforallcabletray.OnehourThermo-Lagfirebarrierwillbeassumedtobeattheminimumthicknessof1/2"(I/4"foroverlaywhereused).ThisthicknesswillprovideaconservativevaluewhencalculatingtheRvalueforthegapbetweentheracewayandthebarrier.ThreehourThermo-Lagfirebarrierwillbeassumedtobeatthenominalthicknessinaccordancewiththemanufacture'stolerance,l-l/4inches.Thisthickness'willprovideaconservativeresultwhencalculatingtheheattransferredwiththethreehourbarrier,asthevalueoftheinitialIhourwrapwasminimized.Itwasjudgedtobeunrealisticallyconservativetogotothemaximumthicknesstoleranceof1.5inches.Racewayismadeofrigidsteel,magneticmaterial,whichistypicalforpowerplantinstallations.Bankedconduitwhichisbankedinasingleplanecanbeassumedtobeequivalenttocabletray.Bothconfigurationsinvolveacablemassarrangedinashallowrectangularsection.Bothconfigurationsinvolveanairgapbetweenthecablesandthefirebarriermaterial.Form83,Rev6.'94 CALCULATIONSHEETCALCULATIONNO.PTN-BFJN-96-005REV0SHEETNO.44.8ThethermalresistancevaluesforallitemswithintheracewayandforthegapbetweentheconduitandtheThermolagmaterialwillbeassumedtoremainconstantasadditionalthicknessofThermolagisinstalled.Consideringthatthegeometryoftheseareasisnotchanged,thisapproximationisreasonableforthepurposeofextrapolatingthethermalresistancefromracewaywith1hourwraptoracewaywith3hourwrap.5.0Calculation5.1DeterminationoftestheatloadsTestheatlossinwattsiscalculatedbythefollowingequation:qIRNqHeatPerFootITestCurrentRCableResistancePerFootNNumberofConductorsRaceway(Conductor)Size3/4(I-3C/0'10)3/4WrappedTestCurrent,39.6'5.9.0014046.615.4322.618.5ResistanceNumberofHeat/FtHeat/FtPerFoot,ConductorsWatts~BTUHr2(I-3C/86)2Wrapped64.560.2.00055536.936.0323.7.20.65(4-750kCMil)5715Wrapped510.0000224429.2123.3099.779.5Tray(126-3C/86)TrayWrapped23.115.8.000555378111.952.4382.1178.71.CurrentisfromReference2.22.ResistanceperfootisfromRef.2.63.HultiplyWattsby3.413toobtainBTU/HrForm83,Rev6'94 CALCULATIONSHEETCALCULATIONNO.PTN-BFJH-96-005REV0SHEETNO.5.2DeterminationofThermo-LagRvalues(R,)ForheattransferthroughThermo-LagcylinderRLn(RJR;)/2vkLR.OutsideRadiusR;InsideRadiusk-ThermalConductivity0.1BTU/Hr-FT-'FLLength1Ft.(PerFoot)(Ref.2.3,Page2.3)(Ref.2.7)ForheattransferthroughThermo-Lagsheet(Ref.2.7)RL/kA(Ref.2'.3,Page2.3)LThicknesskThermalConductivity0.1BTU/Hr-FT-'FASurfaceAreaNAfulltabulationoftheThermo-LagRvaluesforthevarioussizesisincludedinthespreadsheetbelow.5.3DeterminationofsurfaceRvalues(R,)Thesurfaceresistancewillconsiderfreeconvectionandradiationheattransfer.Forfreeconvectionq,hAKTq,heattransferredbyconvectionh-convectionheattransfercoefficientForhorizontalcylindersinairh.27(hT/L)'"(Ref.2.3,Page2.12)A-SurfaceAreaL-Characteristiclengthinfeet(diameterorwidth)q,.27(4T/L)"MTForradiationq,ohe(T,-T,)q,Heattransferredbyradiation01.714X10BTU/Hr-Ft-R',BoltzmannConstantASurfaceareaSurfaceEmittance.9TAbsoluteTemperature,Rankineq,-1.714X10'(.9)A(T,'-T,')(Ref.2.3,Page2.11)(Assumption4.1)Form83,Rev6/94 CALCULATIONSHEETCALCULATIONNO.PTN-BFJM-96-005REV0SHEETNO.6Fortotalheattransferredfromthesurfaceq,-q,+q,q,~.27(QT/L)'T+1.714X10(.9)A(T,-T2)q,=[.27(bT/L)'1.714X10(.9)(T,-T,)/QT]AbTGT/q,R,1/t,.27(GT/L)"+1.714X10'(.9.)(T,'-T,')/LT]A5.4CalculationofACFTheACFiscalculatedusingaspreadsheetinaccordancewiththemethodologydescribedabove.Adescriptionofthespreadsheetfollows:OD/WThisisaninputvalueoftheconduitoutsidediameterorcabletraywidth.ConduitdiametersareobtainedfromReference2.5.THThisvalueisthethermolagthickness.Foreachracewaysizeathicknessrepresentingnowrap,1Hrwrap,and3Hrwrapisentered.ODTThisistheoutsidediameteroftheracewaywithanywrapcalculatedfromthe00andTH.ForcabletrayODisnotcalculatedbecauseitwillalwaysbeequaltoW,ATheoutersurfaceheattransferarea.Notethatforracewayboththetopandbottomareasareincluded.Areaiscalculatedonthebasisofaonefootlengthofraceway.RiInsidethermalresistanceasdefinedabove.Thevalueiscalculatedfromthetestdatawithnowrapinaccordancewiththefollowingformula.TheRivaluecalculatedisthenusedforthecaseswith1Hrand3Hrwrap.NotethatthereisnoRgandRtforthiscase.RihT/q-Rs,WherehT=90'F(Tempdropfromconductorsurfacetoambient)RgGapthermalresistanceasdefinedabove.Thevalueiscalculatedfromthetestdatawith1Hrwrapinaccordancewiththefollowingformula.TheRgvaluecalculatedisthenusedforthecasewith3Hrwrap.RgbT/q-(Ri+Rt+Rs),WherehT-90'FRtThermo-Lagthermalresistance.Thevalueiscalculatedinaccordancewiththefollowingequationswhichweredevelopedabove.ConduitRtLn(ODT/OD)/2vk,k.1(Ref.2.7)TrayRtTH/kA,K.1Form83,Rev6/94r CALCULATIONSHEETCALCULATIONNO.PTN-BFJH-96-005REV0,SHEETNO.7RsSurfacethermalresistanceiscalculatedinaccordancewiththefollowingequationswhichweredevelopedabove.NotethatthehTinthisequationisbetweenthesurfaceandambientandtheT4valuesmustbein'R.Theambienttemperatureusedis104'F/564'R.Rs1/[.27((Ts-104)/ODT)"+1.714X10'.9)((Ts+460)'-564')/(Ts-104)]ATsSurfacetemperatureofThermo-Lagnrbareconduit.Thevalueisdeterminedbyiterationuntilqq'.qHeattransferred-Fornowrapor1Hrwrapthevaluefromthetestdataisused.for3Hrwrapcalculateasfollows:qhT/(Ri+Rg+Rt+-Rs),WherehT90'Fq'eattransferredfromthesurface-Calculateheattransferredfromthesurfaceasfollows:q-hT/Rs,WherehTTs-104'FFromcontinuity',theheattransferredfromthesurfaceisthesameasthetotalheattransferred.Inordertosolvethevariouscases,TsisadjustedbyiterationuntilACFAmpacitycorrectionfactorcalculatedbythefollowingequationwhichwasdevelopedabove.ACFv(q,~qForm83,Rev6/94 PTN-BFJM-96-005Revision0Page8of9RACEWAYHEATTRANSFERANDAMPACITYDE-RATINGCONDUITODINTHINODTINARiRgRtRs-TsSQFTBTU/HR-FBTU/HR-FBTU/HR-FBTU/HR-FFBTU/HBTU/HACF1.0501.050.27492.4741.50881.050.752.550.66762.4740.201.1.41220.77821.051.253.55-0.92942.4740.2011.93880.5996138.10118.40114.3522.60-22.60NIA18.5018.500.90517.2717.270.8742.37502.3750.62182.9970.80062.3750.753.8751.01452.9970.0440.77910.54842.3751.254.8751.27632.9970.0441.14450.4564122.97115.301'12.8523.7023.70N/A20.6020.600.93219.3919.390.9045.5631E-195.5631.45640.5600.34285.5630.56.5631.71820.5600.0000.26310.30945.5631.258.0632.11090.5600.0000.59070.2686138.18128.60121.0499.70,99.70NIA79.5079.500.89363.4363.430.798CABLETRAYIBANKEDCONDUITWTHARiRgRtRsTsININSQFTBTU/HR-FBTU/HR-FBTU/HR-FBTU/HR-FFBTU/HBTU!HACF240240.500241.254c440.1020.13350.1020.1500.10420.1470.1020.1500.26040.1513155.00130.27124.50382.10382.10N/A178.70I78.700.684135.50135.500.595 0

CALCULATIONSHEETCALCULATIONNO.PTN-BFJH-96-0056.0ResultsREV0SHEETNO.TheampacitycorrectionfactorsforIHrThermo-Lagfromtestingand3hourThermo-Lagextrapolatedbycalculationareasfollows.ItemConduit1Hr.89ACF3Hr.80Tray(BankedConduit).69.60Form83,Rev6:94

PTN-BFJH-96-005ATTACHMENTIREVISION,0PAGEIof15AMPACITYDEBATINGOFFlREPROTECTEDCABLESProjectNo.12343-94583,95165-95168,95246ELECTRICALTESTTODETERMINETHEAMPACITYDERATINGOFAPROTECTIVEENVELOPEFORCLASS1EELECTRICALCIRCUITSMarch19,1993PreparedFor:TUElectricCOMQICHEPEAKSTEAMELECTRICSTATIONP.O.Box1002GlenRose,Texas76043-1002pppcp)ypDOCT20f993~~APpC~0ro'hara

ReportNo.12340-94583,95165-95168/5246TexasUtilitiesElectric,PTN-BFJH-96-005ATTACHHENT1REVISION0PAGE2of15Threeconduitassemblies,twoairdropassemblies,andonecabletrayassembly,cladwithThermo-Lagmaterialsasdescribedherein,'ereevaluatedinaccordancewiththeTexasUtilitiesElectricTESTPLAN,Rev.4,yieldingthefollowingampacityderatingvalues:TESTITEM3C/¹10in3/4"Conduit3C/¹6in2"Conduit3C/¹6inAirDrop24"CableTra750kCMilinAirDro4/C750kCMilin5"Conduit)PERCENTDERATING9.346.6731.631.810.7Thedetails,proceduresandobservationsreportedhereinarecorrectandtruewithinthelimitsofsoundengineeringpractice.Allspecimensandtestsampleassemblieswereproduced,installedandtestedunderthesurveillanceofeitherTexasUtilities'rthetestinglaboratory'sQualityAssuranceProgram.Thisreportdescribestheanalysisofdistinctassembliesandincludesdescriptionsofthetestprocedurefollowed,theassembliestested,andallresultsobtained.AlltestdataareonGleandremainavailableforreview'byauthorizedpersons.HerbertWStansberryHProjectManagerDateConstanceA.HumphreyManager,QADept.DateDeggaryN.PriestPresidentDate Report,Ne.12340-94583,95165-95168@5246TexasUtilitiesElectricPTN-BFJH-96-005ATTACHMENT1REVIS10N0PAGE3of15TABLEOFCONTENTSINTRODUCTIONTESTPROCEDURETestEnclosureThermocouplesDataAcquisitionsystemCurrentControlSystemFinalCurrentMeasurementsTESTASSEMBLYTestItems(General)TestItemsElectricalCablesThermocouplePlacementThermo-LagInstallationHighlightsTESTRESULTSAPPENDICESAppendixA:CONSTRUCTIONDRAWINGSAppendixB:TESTPLANAppendixC:THERMOCOUPLELOCATIONSAppendixD:TABULA,TESTDATAAppendixE:QUALITYASSURANCEAppendixF:PHOTOGRAPHSAppendixG:THERMO-LAGINSTALLATIONLastPageofDocument1122234578810]3162532382781DETAILS8028%OQAyo+

ReportNo.12340-94583,95165-95168/5246TexasUtilitiesElectricPTN-BFJH-96-005ATTACHMENTIRE'YISION0PAGE4of15AFireProtectiveEnvelopeprotectselectricalcomponentsfromtheeQ'ectsoffire.Indoingsc,itvriQreducetheinQowofenergyintothesystemandmaintaintheinternaltemperaturebelowmaximumlimits.Theselimitswillensurethatthecablesystemsremainfunctionalduringafire,andallowoperatorstomaintaincontrolofsystemsrequiredforfiresafeshutdown.TheadditionofaAre.rotectiveEnvelopeonacablesystemwillnotonlyprotectthecontainedcablefromelevatedtemperaturesassociatedwithafire,butwillimpedetheheatdissipationassociatedwithcableoperation.TheevaluationdescribedhereinwillyieldaaaccurateandrealisticvaluefortheampacityderatiagofcableswhenaFireProtectiveEnvelopeisiastaQedonthecablesystem.ThisentiretestprolpmnwasperformedinaccordancewithTexasUtilitiesElectricTESTPLAN,Rev.4,whichhasbeenincludedinAppendixB.ThespecificdetailsofthisprojectwiQbefoundinthatdocument.TEAENCLOSURETheampacitytestenclosurewasconstructedofsteelstudwaQsandceilingwithaminunumofIin.ofpolystyreneinsulatioaliaingtheinterioroftheroom.TheoveraQdimensionsofthetestenclosurewere20ft.x18&.x8ft.AnentrydoorwasprovidedinoaewallandanobservationwindowwasplacedinanadjacentwaQ.ThewaQwiththeobservationwindowwasmadetoberemovabletofacilitateeasierlocationoftestarticles.Four1.5kWheatersweredisposedabouttheroomtoregu1ateambientconditions.Twooftheheaterswerevaxiablefromoutsideofthetestenclosureviaconnectiontostandardlaboratoryvariabletransformers.Locateddirectlybehindeachheaterwasa24in.boxfantogentlystirtheairandmoreevenlydistributetheheat.Atotalofninethermocouplesweresuspendedfromtheceilingandpositionediathehorizontalplaneofthetestitems,12in.awayEpsomvarioustestitemstomonitortheambientroomtemperatures.Twostanchionswereerectedtosupportthetestarticles.Eachstaachionconsistedofalengthof2in.squaresteeltubingsupportedatseveralpointsbyanA-frameleg.Alengthof2in.x4in.woodstudwasaQixedtothetopsurfaceofeachstanchion.Inthecaseofallbutthe5ia.conduit,thetestarticlewiththefireprotectivesysteminstalledwastestedfirst.Oncethesystemhadattained.equilibriumandaQfinalmeasurementsh'adbeentatea,thefireprotectivebarrierwasremovedfromthesystem(inthecaseoftheairdropassembliesandthecabletray ReportNo.12340-94583,95165-95168/5246TexasUtilitiesElectricPTN-BFJH-96-005ATTACHHENTIREVISIQN0PAGE5ofl5assembly)ortheinstrumentedcablewasremovedfromthecladconduitandinsertedintoasimilarlyconstructed,bareconduit.THERMOCOUPUKTemperaturesonthecableconductorswithintheconduitandairdropassembliesweremeasuredwithTypeT,24gauge,Copper-ConstantanelectricallyweldedthermocouplesformedfromCopperandConstantanwiresofspeciallimitsoferror(&.5'C),"andcoveredwithTeQonFEYinsulation.TemperaturesonthecableconductorswithinthecabletrayassemblyweremeasuredwithTypeK,24gauge,Chromel-AlumelelectricallyweldedthermocouplesformedfromChromelandAlumelwiresof"speciallimitsoferror(21.1'C),"andcoveredwithbraidedfiberglassinsulation.Allthermocouplewirewascalibratedto&.5'C.DATAACQUXSZZXONSYSTEMTheoutputs-ofthetestarticlethermocouplesandroomcontrolthermocouplesweremonitoredbyadataacquisitionsystemconsistingofaJohnFlukeMfg.Co.ModelHELIOSI2289AComputerFrontEnd,andanAppleComputerCo.MacintoshClassicmicrocomputer.TheComputerFrontEndwasconnectedtotheRS422SerialInterfacePortoftheMacintosh.ThecomputerwasprograxnmedinMicrosoftBASICtocommandtheHELIOSunittosamplethedatainputlines,receiveandconvertdataintoadigitalformat,andtomanipulatethedatafordisplayonscreen,thehardcopyprintout,andsavingtoharddisk.Thecomputerprogramdetermined,anddisplayed,theaveragetemperaturesateachofthethreepositionsoneachtestarticle.Therateofchangeoftemperaturefortheaverageofthethermocoupleslocatedinthecenterportionofthetestarticlewas.thencalculated.Allindividualdatapointsandcalculatedvaluesweresavedonharddiskatoneminuteintervals.Arecordofindividuallocationtemperatures,maximumtemperaturesandratesofchangeoftemperatureswasprintedatfiveminuteintervals.AlltestdataispresentedinAppendixF:TESTDATA.CONTROLSYSTEMThecurrentQowthroughthetestarticleswasregulatedusingprocesscontroltypedevices.Theavailablevoltageforanytestcontrolcircuitwas208Vacsinglephase.ASiliconControlledRectIfier(SCR)device(HalmarRobiconGroupModelNo.140P-FK2-CL)wasusedtovaxythevoltageavailabletotheprimarysideofastep-downtransformerbetween0Vacand208Vacinproportiontoa4-20mAcontrolinput.Thetestarticlewasconnectedtothesecondarysideofthestep-downtransformer.Aproportional-integral-derivativeprocesscontroller(HoneywellUniversalDigitalControllerModelNo.UDC3002-0-000-1-00-XXXK)wasresponsibleforgeneratingthe'4-20mAsignalfedtotheSCRdevice,basedonavoltagefeedbackloop.Acurrenttransforxner(Flex-CoreModelNo.58-151,150:5a"oJ~0CyoRAxo 0

ReportNa.12340-94583,95165-95168@5246TexasUtilitiesElectricPTN-BFJH-96-005ATTACHHENTIREVISION0PAGE6of15or76-102,1000:5ratio;inputamps:outputamps)wasfittedtooneleadofthetestarticletomonitorthecurrentflowthroughtheconductor.Theoutputofthecurrenttransformerwasconnectedtoacurrenttransducer(Flex-CoreModelNo.CT5-005A)withamAtomVconverter(Flex-CoreModelNo.LRB-10000)toproducea0-10Vdcsignalproportionalto'a0-150Aor0-1000Acurrentspaninthesampleconductor.This0-10Vdcsignalisusedasthe'processvariable"inthefeedbacklooptothecontroller.Inessence,theabovecircuitrymadeupaconstant-currentdevice,insensitivetolinevoltagechanges.Thecurrentinaaygivensystemwasdriventoalevelhighenoughtobringtheconductorto90'Casquicklyaspossiblebyincreasiagthe'outputsignaloftheprocesscontrollerviakeypadcommands.Astheconductortemperatureapproached90'C,thecurrentlevelwasreducedaadthetestarticlewasgiventimetorespondtocurrentchangesbeforeanotheradjustmentwasmadetothecurrent.Duringthistimeperiod,thecontrollerwasturnedto"automatic"controlandthe"processvariablesetpoint"(thevoltageoutputfromthecurrenttransformerthatrepresentsthecurrentlevelatwhichthecontrollerwillmaintainthesystem)wasadjustedtothesamevalueasthedisplayedprocessvariable(thecontrollervariesitsoutputiaorderthemaintaintheprocessvariableatthelevelindicatedbythesetpoint).Thisprocessofadjustingthecontrolleroutput(andthecontrolvariab1esetpoint)andwaitingforthesystemtostabilize(about1/2hourtoabout2hours,dependinguponthenatureofthesystem)wascoatinueduntilthetemperatureparametersofthetestarticlewerewithinthespecifiedlimits.Thecoatrollerwasallowedtooperatethesystemforamuumumofthreehours.If,attheendofthreehours,thesystemwasstillwithintheboundsofallspecifications,afinalcurrentandvoltagemeasurementweretakenandthesystemwasdeemed.tobeinequilibrium.sAllfinalcurrentmeasurementswereperformedusingammeterssuppHedandcalibratedbyTexasUtiTitiesElectric.TheseammeterusedweremanufacturedbyJamesBiddleCo.andidentifiedasBiddleIastrumentsDigitalClamp-OnRMSVolt-Ammeter,Cat.No.278001(TUElectricIDNo.IC-1029andIC-1030).Measurementsrecordedfortestitemscontaining3C/¹10AWGof3C/¹6AWGcableweretakenwiththeammeterIDNo.IC-1030.Currentmeasurementsrecordedfortestitemscontaining750kCMilcableweretakenwiththeammeterIDNo.IC-1029.Calibrationdocumentationforthesedevicescanbefoundi'AppeadixG:QualityAssurance.~~APor+0*t'yOpAgO

'eportNo.12340-94583,95165-95168@5246TexasUtilitiesElectricPTW-BAH-96-005AITACHHchTIREVISION0PAGE7of151%B1PEAS(GENERAL)TheconduitmaterialsusedinthetestwereprovidedbyTexasUtilities,andarerepresentativeofthoseinstalledatCPSES.CabletraymaterialsusedinthistestwerepurchasedbyOmegaPointLaboratoriesfromB-LineSystems,Inc.(Cat.No.248P0924144).Thefollowingtableprovidespertinentdataonthecabletraymaterialused:ATXRIBUTESiderailthicknessRunthicknessRunsacinRungdimensionsDMENSION0.048in.18GA9in.o.c.1-5/8in.wx13/16in.hx3/8in.leCabletraystraightsectionsconsistedofASTMA446,GRA,pre-galvanizedsteel,ASTMA525.Alltestitems(withtheexceptionofthecabletrayassembly)wereconstructedfrommaterialsextractedfromTUElectric'sComanchePeakSteamelectricStationstockmaterialstorageareasinaccordancewithexistingsiteprocedures.Electricalcablesusedinthistest(withtheexceptionofthecabletrayassembly)consistedofcablessuppliedbyTUElectricandtakenfromCPSESinventory.Cablesusedinthesetestswereasfollows:W420CABLEFUNCXXONPowerPowerPowerPowerDESCKPIXON3C/¹6AWG60Qv.3C/¹10A%G60Qv.l/C750kCMil.600v.3C/¹6A%'G600v.09800.6170.750CBOSS-8ECTIONALAREA(in)0.75402991.307'.442Thediametersandcross-sectionalareaslistedhereinrepresenttheLaboratory'saverageoftenmeasurementsofeachcabletype.~~A0o0osa~o+

ReportNo.12340-94583,95165-95168/5246TexasUtilitiesElectricPTN-BFJM-96-005ATTACHHENTIREVISION0PAGE8of15Thermo-Lag330-1Ma~taisThermo-LagmaterialswereprocuredfromThermalScience,Inc.(TSI),St.Louis,MO.TheThermo-Lag'aterialswereextractedfromCPSESstockandwererepresentativeofmaterialsinstalledintheplant.EachonehourratedThermo-Lag330-1V-RibbedPanelis1/2in.thick(normal)x48in.widex78in.long,withstressskinmonolithcaQyadheredtothepanelononeface.Eachpanelwasreceivedwith350Topcoatfactoryapplied.Each330-1Pre-ShapedConduitSectionis36in.long.Twothicknessesofconduitsectionmaterialswereused,V2in.thick(nominal)and1/4in.thick(nominal)"overlay"sections,bothwithstressskinmonolithicallyadheredtothesurfaceinstalledfacingtheprotectedconduit.The330-1conduitmaterialswerealsoreceivedwith350Topcoatfactoryapplied.OthermaterialssuppliedbyTSIwere330-1Trowel(bulk)GradeSublimingCompound(usedtopre-caulkalljoints'andseamsonthecabletrayandconduitassemblies),330-660Flexi-BlanketMaterialusedtowrapthecableairdropassemblies,330-660Trowel(bulk)GradeMaterial(usedtopre-caulkallseamsonthecableairdropassemblies),330-69StressSkinMaterial(usedtoreinforcejointsonthecabletrayassembly)and350Topcoat(twopartwater-basedmixture).AllThermo-Lagmaterialsweremeasured,sawcutandinstalledontotherespectivetestassemblybyPeakSealscrudepersonnelusingapprovedCPSESdrawings,proceduresandspecifications.InstallationswereinspectedbyGPSES-ceitifiedqualitycontrolinspectors.OtherMateriaLsOthercommercialgradeproductsusedwere:1/2in.widex0.020in.thick,type304stainlesssteelrolled-edgebandingstrapswithwingseals;16to18GAstirlesssteeltiewire;and,0.010in.s'tainlesssteelsheetmetal.SchemeSAC-1Theassemblyconsistedofa3/4in.conduitthroughwhichwaspulledasinglethreeconductorcable(W-026,3C/410AWG,600V).Thetotalcab1elengthusedforthistestitemwas60ft.Thethreeseparateconductorswithinthecablewereconnectedintoasingleseriescircuit.Thecurrentsourcewasthenconnectedtothetwofreecableends.Twoconduitswerepreparedfortesting,onecladandonebare-forbaselinetesting.

ReportNo.~94583,95165-9516845246TexasUtilitiesElectricPTN-BFJH-96-005ATTACHMENT1REVISION0PAGE9of15Scheme¹AC4Theassemblyconsistedofa2in.conduitthroughwnichvraspulledasinglethreeconductorcable(W-020,3C/¹6AWG,600V).Thetotalcablelengthusedforthistestitemwas60ft.Thethreeseparateconductorswithinthecablevrereconnectedintoasingleseriescircuit.Thecurrentsourcewasthenconnectedtothetvrofreecableends.Twoconduitswerepreparedrortesting,oneciadandonebare-forbase1iaetesting.Scheme¹AC-5Theassemblyconsistedofa5in.conduitthroughvrhichwaspulledfourseparatesingleconductorcables(W-008,1/C750kCMil,600V).Thetotalcableleagthusedforthistestitemwas88ft.Thefourseparateconductorswereconnectedintoasingleseriescircuit.Thecurrentsourcevrasthenconnectedtothetwofreecableends.Tvrocoaduitswerepreparedfortesting,onecladandonebare-forbaselinetesting.Scheme¹AA1-1Theassemblyconsistedofasinglethreeconductorcable(W-020,3C/¹6AWG,600V)representinganairdropassembly.Thetotalcablelengthusedforthistestitemvras60ft.Thethreeseparateconductorswithinthecablewereconnectediatoasingleseriescircuit.Thecurrentsourcevrasthenconnectedtothetwofreecableends.Thecablewascladandallovredtocure.Thematerialwasthenremovedtoperformthebaselinetesting.Theassemblyconsistedofthreeseparatesiagleconductorcables(W-008,1/C750kCMil,600V)representinganairdropassembly.Thetotalcablelengthusedforthistestitemwas88ft.Thethreeseparatecoaductorsvrereconnectedintoasingleseriescircuit.Thecurrentsourcewasthenconnectedtothetvrofreecableeads.Thecablevrascladaadallowedtocure.Thematerialvrasthenremovedtoperformthebaselinetesting.SchemeOAT-1Theassemblyconsistedofa24in.wider4in.deepcabletrayassemblyintowhichwaslaid126passesofsinglethreecoaductorcable(3C/¹6AWG,TCXHHWCDRS,600Volt).Thetotalcablelengthusedforthistestitemvras1720KThethreeseparateconductors'withiathecablewereconnectedintoasingleseriescircuitandthecuzrentsourcewasthenconnectedtothetvrofreecableeads.The~~ADo0rORA<O+

ReportNo.12340-94583,95165-951685246TexasUtilitiesElectricPTN-BFJH-96-005ATTACHHENT1REVISION0PAGE10of15cabletrayassemblyvrascladandallowedtocure.Thematerialwasthenremovedtoperformthebaselinetesting.Theinternalcross-sectionalareasfortheconduitsareasfollows:CONDUITSIZE(INCEST)ACTUALCONDUITI33.(INCHES)0.8242.0675.047CROSSBETIONALAIUM(in2)0.5333.35620.006Theusablecross-sectionalareaofthecabletraywas(3in.deepr24in.wide)72squareinches.Thetablebelowshowsthecabletypesusedineachtestarticle,thenumberofeachcableinstalled,thetotalcross-sectionalareaofeachcabletypeandthepercentofthetotalavailableareatakenupbycableineachtestarticle.3/4in.CONDUITCABLETYPEW26CEK)S&SECXXONALALUM(in2)0299I2in.CONDUIT%OFTOTALAEU<M56.10W%20CBOSS.SECTIONALABER(in2)0.7545in.CONDUIT%OFTOTALAIRE22.47CA'BL'EW-008CBXkS-NUMBERSECTXONALPBESENI,'BEA(in>)5.228%OFTOTALARE&26.13~GADOr+0osA~o~

Report:No.12340-94583,95165-95168/5246TexasUtilitiesElectricPTN-BFJM-96-005ATTACHMENT1REVISION0PAGE11of1524IN.CABLETRAY3C/¹6CROSS-SECTIONALAREA(in2)9oOFTOTALAEU~M77.31TEEZUYCOCOUPLEPLACEZHKKT24gauge,TypeT,Copper-Constantanelectricallyweldedthermocouples(SpecialLimitsofError:0.5'C,purchasedwithlottraceabilityandcalibrationcertifications)wereattachedinnineplaceswithineachconduitorairdropassembly,byslicingthroughtheouterjacketofthecable(downtobareconductor)andplacingthethermojunctionindirectcontactwiththetopsurfaceofthecableconductorandcoveringtheslitwithadoublewrapofglassQberreinforcedelectricaltap'e(GlassClothElectricalTape,Class"B"Insulation,1/2in.wide,3MCorporation,ItemNo.27)foraminimumdistanceof3-1/2inches.Thirty-nine24gauge,TypeK,Chromel-Alumelelectricallyweldedthermocouples(SpecialLimitsofError:21.1'C,purchasedwithlottraceability)weresiaMulysecuredtothecableswithinthecabletrayassembly.ArepresentativesampleofthethermocouplewireusedinthecabletraytestarticlewascalibratedaRerthetestprocedure.Onethermocouplewaslocatedoneachofthethreeconductorsineachsystexn(exceptthecabletrayand5in.conduithavingfourconductors)atthemid-pointoftheassembly,andatbothendsoftheassembly(36in.lefhandrightofmid-point).The5in.conduithavingfourconductorswassimilarlyinstrumented,.however,thefourthconductorhadnothermocouplesinstalled.Thecabletrayassemblywasinstrumentedwithatotalofthirty-ninethermocouples(thirteenlocatedatthemid-pointofthecabletray,thirteenlocated36in.totheleftand36in.to,therightofmid-point)locatedwithinthesecondandthirdlayerofcables.THERMhLAGINSTALLATIONHIGHLIGHTSThermo-LagmaterialswereinstalledinaccordancewiththeinstructionscontainedintheCPSESSiteProceduresreferencedinTestPlan,Rev.4.Shortabstractsoftheinstallationareincludedhereintoclarifyspecificdetails.Thermo-Lag330-XPre-ShapedConduMSections(Xf2in.nom.thicknear)Thismaterialwasusedtoconstructthe3/4in.,2in.and5in.diameterracewaydesignprotectiveenvelopes.oA+00 0

ReportNo.12340-94583,95165-95168+5246TexasUtilitiesElectricPTN-BFJM-96-005ATTACHHEN71REYISION0PAGE12of15Thermo-Lag+330-1Pre-ShapedConduitSections(I/4in.nom.thickness)Thismaterialwasusedasanoverlayonthe3/4in.and2in.diameterracewaydesignprotectiveenvelopes.Thermo-Lag+330-1U-ribbedPanels(I)2in,nom.thickness)Thismaterialwasusedtoconstructthecabletrayprotectiveenvelope.Thermo-Leg/'30-1SublimingTrowelGradeMaterialThismaterialwasusedtopre-caulkalljoints,seamsandupgradedareasbetweenpre-shapedsections.Thermo-L,ag33&660E7exi-BLm~Thismaterialwasusedtoconstructthecableairdropprotectiveenvelopes.Thermo-Lag33~Sublimb~'.PnuaelGradeMaterialThismaterialwasusedtopre-caulkalljointsandseamsbetween330-660Flexi-Blanketmaterialandalljointsof330-66-Flexi-Blanket.ApplicationMethodsEachrigidconduitassemblywascladwithThermo-Lag330-1V2in.(nominal)thickPre-ShapedConduitSectionMaterial.Alljointsandseamswerepre-caulkedwith330-1TrowelGradeMaterial.Thesectionsinstalledonthe5in.diameterconduitweresecuredusingstainlesssteelbandingmaterial.Thesectionsinstalledonthe3/4in.andthe2in.diameterconduitsweresecuredusingstainlesssteeltiewire.ARerbeingcladwith1/2in.thick330-1Pre-ShapedConduitSections,V4in.thick(nominal)Pre-ShapedConduitSection("overlay")Materialwasinstalledonthe3/4in.andthe2in.diameterconduits.Alljointsandseamswerepre-cauikedwith330-1TrowelGradeMaterialandthensecuredusingstainlesssteelbanding.Finally,Thermo-Lag350Topcoatwasappliedoverareaswherethe330-1TrowelGradeMaterialhadbeenappliedfollowinga72hour(mixumumcuretime).TheentirecabletraysystemwascladwithThermo-Lag330-1V2in.(nominal)V-RibbedPanelMaterial.Topreventsaggingofthetoppanels,thecabletraywaspre-bandedusingstainlesssteelbanding.Aljointsandseamsoftheprotectiveenvelopewerepre-caulkedwith330-1TrowelGradeMaterialandsecuredwithstainlesssteelbandsspacedat12in,intervals.~GADo0C~eo~a~o+

ReportNo.12340-94583,95165-95168,95246TexasUtilitiesElectricPTN-BFJM-96-005ATTACHMENT1REVISION0PAGE13of15Duringconstructionofthecabletrayprotectiveenvelope,severalareasoftheenvelopewerereinforcedvrithcombinationsofstainlesssteelwire,Thermo-LaP330-1TrowelGradeMaterialandThermo-Lago330-69StressSkinvrhichwassecuredwithstaples.Theareasreinforcedincludedbuttjointsbetvreenpanelsonthebottomsurfaceoftheenvelopeandthelongitudinalseamswherethetopandbottompanelsoverlappanelpiecesinstalledatthetraysiderails.Thebuttjointsbetvreenpanelsonthebottomsurfacewere"stitched"withstainlesssteeltiewireson5in.centers.Athinlayerof330-1TrowelGradeMaterial(approximately3/16in.thick)wasaextappliedextending5in.oneachsideofthebuttjoiats.Stressskinwascutandwrappedcircumferentiallyaroundtheenvelopetooverlapthebuttjointsby5ia.oaeachside.Thestressshinwasworkedintothetrowelgradelayerandsecurediaplacewithstaplesandstainlesssteeltiewire.Askimcoatof330-1TrowelGradeMaterial,approximatelyV16in.thick,wasthenappliedoverthestressskiaandthetievrires.Toreinforcethelongitudinalseamsatthesiderails,a3/16in.thicklayerof330-1TrovrelGradeMaterialvrasappliedoverthepanelsinstalledatthesiderailsandextending5ia.tovrardsthemiddleofthetrayandboththetopandbottomsurfaces.Stressskinvrascutandformedintoasquared,U-shapedconfigurationwhichvrasplacedoverthesidesandontothetopandbottomsurfacesfora5in.distance.Thestressskinvrasworkedintothetrovrelgradelayerandsecuredinplacewithstaplesandstainlesssteeltiewire.Askimcoatof330-1TrowelGradeMaterial,approximatelyV16in.thick,wasthenappliedoverthestressskinandtiewires.Finally,Thermo-Lag350Topcoatwasappliedoverallareaswhere330-1TrowelGradeMaterialhadbeenappliedfollovringa72hour(minimum)curetime.Eachcableairdropassemblywascladwiththreecomplete-wrapsofThermo-Lag330-660Flexi-BlanketMaterial.Anoverlapof2ia.-4in.wasmaintainedforeachwrap.Theoverlapareaofeachwrapwaspre-caulkedwithThermo-Lag330-660TrowelGradeMaterialandsecuredwithstainlesssteelbandsspacedon6in.centers.Theoverlapareasvrerepositioned180'romoneanother.ThecompletedtestspecimenswereplacedintheLaboratory'stestenclosureandthethermocouplesconnectedtothedataacquisitionsystemandtheiroutputsverified;ThetestsvrereconductedfromMarch2,1993,toMarch14,1998,byHerbertWStansberryII,projectmanager,withthefollovringpersonspreseatatvarioustimes:~oAOo0rCy~oeA~o~

0 ReportNo.~~'4M3,961%-96168$6246TexasUtilitiesElectricPTN-BFJH-96-005ATTACHHENT1REVISION0PAGE14of15RenaldoJeansDickWilsonBillRodgersJohnWhiteChesterPruettMelvinQuickKentBrownDeggargN.PriestKerryHitchcockConnieHumphryLaudencioCastanonUSNRCUSNRCUSNRCTUElectricTUElectric(Fluor-DanielCorporation)TUElectric(Stone&,WebsterEngineering)TVAOmegaPointLaboratories,Inc.OmegaPointIaboratories,Inc.OmegaPointLaboratories,Inc.OmegaPointLaboratories,Inc.TESTITEMEQU.VOLTAGE(VOLTS)EQU.EQU.CURRENTTEMP(AMPS)('C)ROOMCORRECTEDTEMPCURRENTPERCENT('C)(AMPS)DERATING3C/¹10in3/4"Conduit(base)3C/¹10in3/4Conduit(clad)11.911.036.089.439.489.840,339,339.635,99.343C/¹6in2"Conduit(base)3C/¹6in2Conduit(clad)3C/¹6inAirDrop(base)3C/¹6inAirDrop(clad)3C/¹6in24"CableTray(base)3C/¹6in24CableTray(clad)9.1510.9,8.1246.564.694.074.015.989.189.990.989.890.340.339.339.540.539.539.964.593.673.823.115.86.6721231.6~oaDo0rCyoea~<~

ReportNo.12340-94583,95165-95168g5246TexasUtilitiesElectricPTN-BFJH-96-005ATTACHHENTREVISION0PAGE15og15TESTITEMEQU.VOLTAGE(VOLTS)EQU.EQU.ROOMCURRENTTEMPTEMP(AMPS)('C)('C)CORRECTEDCURRENT(AMPS)PERCENTDERATING750kCMilinAirDrop(ba"e)750kCMilinAirDrop(clad)5213.6289.540290.039.931.84C750kCMilin5Conduit(base)4/C750kCMilin5Conduit(clad)2.192.0889.440290.0402510,10.7Theequilibriumcurrentvaluesaresingle-pointmeasurementsperformedafterthesystemwasatequilibriumandthechangeincurrentwasverylow.TheEqu.Temp(equilibriumconductortemperatureatthehottestlocation),andtheRoomTemparereportedas60minuteaveragevalues.TheCorrectedCurrentvaluesarethosecalculatedinaccordancewithP848/D12IEEEStandardProcedurefortheDeterminationoftheAmpacityDeratingofFireProtectedCables~,whichcorrectsthesecurrentvaluestoaroomtemperatureof40'Candaconductor.temperatureof90'C.whereITcTaI~Tc'a'Tc'-Ta')x(a+Tc)(Tc-Ta)x(u+Tc')testcurrentatequilibrium,ampereshottestconductortemperatureatcenteratequilibrium,'Cmeasuredenclosureambienttemperature,'Cnormalizedcurrent,amperesnormalizedconductortemperature=90'Cnormalizedambienttemperature=40'C234.5forcopper.~~APo0 Table2-DlmenslonsandweightsofrigidsteelconduitCustomaryinch-poundunitsMetricunitsNominalortradesizeofconduitInNominalinsideOutsidediameterdiameterlnlnNominalwallthicknessinLengthwithoutcouplingftandinMinimumweightoftenunitlengthswithcoupllngsattachedIbNominalInsidediametermmOutsidediameterNominalLengthwallwithoutthicknesscouplingmmmetersMinimumweightoftenunitlengthswithcoupllngs'ttachedkg3/81/23/411-1/41-1/222-1/233-1/24560.4930.632-0.8361.0631.3941.6242.0832.4893.0903.5704.0505.0736.0930.6750.8401.0501.3151.6601.9002.3752.8753.5004.0004.5005.5636.6250.0910.1040.1070.1260.1330.1380.1460.1930.2050.2150.2250.2450.2669'11-1/2"9'11-1/4"9'11-1/49'119'119'119'119'10-1/29'10-1/29'10-1/49'10-1/49'109'10"51.579.0105.0153.0201.0249.0332.0527.0682.6831.0972.31313.61745.312.516.121.227.035.441.252.963.278.590.7102.9128.9154.817.121.326.733.442.248.360.373.088.9101.6114.3141.3168.32.312.642.723.203.383.513.714.905.215.465.726.226.763.043.033.033.023.023.023.023.013.013.003.003.003.0023.3635.8347.6369.40.91.17112.95150.60239.05309.63376.94441.04595.85791.67NOTE-Applicabletoie~..ces:Length:k1/0in(k8.35mm)(withoutcoupling)OutsideI',ameterfortra.esizes3/8inthrough2In:k0.015In(a0.38mm)fortridesizes2-1/2Inthrough4ln:k0.025In(k0.64mm)for'radesizes5and6In:21%N'.llthickness:See7.3.mC)<m~C/lIAmllIWlClOIIC)NOCll EBASCOSERVICESINCORPORATEDPTN-BFJH-96-005ATTACHHENT3REVISION0PAGEIof3~PBy45CHKD.BYCLIENTPROJECTSUBJECTDATE42V-VODATEREVISION1UAIuVMIiViiSHEET~OF~OFSNO.~DEPTNO.~4ConductorSingle3/corTriplexSing'leCasubu;hu;3/corXrh>JJs812AWG810AWG88AWGN6AWGP4AWGN2AWGN1/0AWG02/0AWG04/0AWG8250kcmil8350kcmil8500kcmil8750kcmil81000kcmll81250kcmil1.721.080.6790.4270.2690.1690.1060.08430.05250.04490.03200.02220.01480.01110.008881.7891.1230.7060.4440.2800.1760.1100.08770.05460.04670.03330.02310.01540.01150.009241.72x1.25=2.151.08x1.25=1.350.679x1.25=0.8490.427x1.25=0.5340.269x1.25~0.3360.169x1.25=0.2110.106x1.25=0.1330.0843x1.25=0.1050.0525x1.25.=0.06560.0449x1.25=0.05610.0320x1.25=0.0400.0222x1.25=0.02780.0148x1.25=0.01850.0111x1.25=0.01390.00888x1.25=0.0111=2.2361.404=0.883=0.555=0.350.=0.220=0.138=0.110=0.0683=0.0584=0.0416=0.02891.789x1.251.123xl.250.706x1.250.444x1.250.280x1.250.176x1.250.110x1.250.877x1.250.0546x1.250.0467x1.250.0333x1.250.0231x1.251099E/2

/""~d/CHKD.BXCLIENTPROJECTSUBJECTEBASCOSERVICESINCORPORATEDDATE>2fFo-DATE~6KqI>REVISION1PTN-BFJH-96-005)gATTACHHENT3REVISION0PAGE2of3OFSNO.Q~~DEPTNO.~ConductorAC/DCResistanceRatioACResistanceat90CSingleConductorHakim~N12AWGNloAWGN8AWGN6AWGN4AWGN2AWGNl/0AWGN2loAWGNOIOAWGN250kcmilN350kcmil'N500kcmilN750kcmilN1000kcmi1N1250kcmi11.01.01.01.0'.01.01.0011.0011.0041.0051.0091.0181.0391.0671.1021.01.01.01.01.01.011.021.031.051.061.081~131.211.301.412.15x1.0=2.151.35x1.0=1.350.849x1.0~0.8490.534x1.0=0.5340.336x1.0=0.3360.2llx1.0~0.2110.133x1.001~0.1330.105x1.001=0.1050.0656x1.004=0.06590.056lx1.005=0.05640.0400xl.009=0.04040.0278xl.018=0.02830.0185x1.039=0.01920.0139x1.067~0.01480.0111x1.102=0.01222.15x1.0=1.35x1.0=0.849x1.0=0.534x1.0=0.336x1.0=0.211x1.01=0.133x1.02=0.105x1.03=0.0656x1.05=0.0561xl.06=0.0400xl.08=0.0278x1.13=0.0185x1.21=0.0139x1.3~0.011lx1.41=2.151.350.8490.5340.3360.2130.1360.1080.06890.05950.04320.03140.02240.01810.01571099E/3

.CHKD.BYCLIENTPROJECTSUBJECTPTN-,BFJM-96-005ATTACHMENT3RfVISION0PAGE3ofEC-096EBAS<<SERVICESINCORPORATEDDATE~M-WuDATE~62/qOREVISION1S8FET4OF~OFSNO.Q~~DEPTNo.~0(SeeTable7.2.2.2aforac/dcresistanceratios)ConductorACResistanceat90C3/CorTriplexUazm~812AWG010AWG88'WG86AWGt4AWG82AWG81/0AWG82/0AWG84/0AWG8250kcmil8350kcmil8500kcmil2.236x1.404x0.883x0.555x0.350x0.220x0.138x0.110x0.0683x0.0584x0.0416x0.0289x1.0=2.2361.0=1.4041.0=0.8831.0=0.5551.0=0.3501.0=0.2201.OOl=O.1381.001=0.1101.004=0.06861.005~0.05871.009=0.04201.018=0.02942.236x1.404x0.883x0.555x0.350x0.220x0.138x0.11'0x0.0683x0.0584x0.0416x0.0289x1.0=1.0=1.0=1.0=1.0=1.01=1.02=1.03=1.05=1.06=1.08=1.13=2.2361.4040.8830.5550.350-0.2220.1410.1130.07200.06190.04490.03271099E/4 1NC.APPROVEDFIREBARRIERSFORTHEbiUCLEARINDUSTRYtherma-hg'30-1FIREBARRIERMATERIAl.PROPERTIESPTN-BFJH-96-005ATTACHHENT4REVISION0PAGEIof2ThisbrochurepresentsthemajorpropertiesofTHFRMO-LAGininterestfornucleargeneratingplantapplication.Foradditionaldatanot'resented.consultTSI.RADIATIONRESISTANCE-2.12x1Pradstotal40yearintegrateddose-AfterirradiationnodegradationinfireresistivepropertiesFIREPROTECTIVEFEATURES-ASTME-84TestingforTHERMO-LAG330-1-FlameSpreadRating5-FuelContributedRating-0..-SmokeDevelopedRating-15-ASTME-84TestingforTHERMO-LAGPrimer-FlameSpreadRating0-FuelContributedRating-0-SmokeDevelopedRating-5-ASTME-84Testingfor.THERMO-LAG350-2PTopcoat-FlameSpreadRating5-FuelContributedRating-0-SmokeDevelopedRating-0-One-hourand.htee-hourfireendurancetestinaccordancewithASTME-119,and.ANI/MAERPtest"ANI/MAERPStandardFireEnduranceTestMethodtoQualifyaProtectiveEnvelopeforClass1EElectricalCircuits".-1/2InchTHERMO-LAGratedonehour-1InchTHERMO-LAGratedthreehours~.-,ASTME-119hosestreamtestonelectricaltraysandconduitforoneandthreehourratedTHERMO-LAG(2-1/2minutehosestream~~application)-ASTME-119firetestsforstructuralsteel,hangerstodeterminerequiredTHERMO-LAGthicknessforoneandthreenourratingAMPACITYDERATINGAmpacityderatingtestsperformedinaccordancewithIPCEAPublicationNumberP-54-440(SecondEdition)(todeterminecablebaseampacity)andNEMAPublicationNo.WC51-1975.Thefollowingresultswereobtained(for40percentloading):One-HourTHERMO-LAGBarriers-Tray-12.5percentderating-Conduit6.8percentderatingThree-HourTHERMO-LAGBarriers-Tray17percentderating~--Conduit-10.9percentderatingMECHANICAL(PHYSICAL)PROPORTIES-Densitywet-10.5Ibs/gallon-Densitydry-75~3Ibs/tP-DryWeight1/2inchthickness(one-hourrated)~3.25Ib/ftz-DryWeight1inchthickness(three-hourrated)=6.5Ib/fthm-Waterbased-Tensilestrengthp5'F)-800PSI-Shearstrength-p5'F)-1100PSI-Flexuralstitfness-(75'F)85KSI-Flexuralstrength-p5')-2200PSI-Bondstrength-p5')-575PSI-initialModulus~>~'F)-70KSI-ThermalConductivity(Unfired,fullcured)0.1Btu/hrtt.~F/SEISMICPROPORTYTHERMO-LAGhasbeenqualifiedbystaticanalysisforaveryconservativeloading.Avalueof7.5ghorizontal,and6.0gverticalacceleration.combinedbiaxiallywasusedfortheanalysis.Thesevaluesboundmostnucleargeneratingplantseismiccriteria.

~'torageConaitionst'bove32'Fandbelow100'F'sbestoesfreeNon-toxic-Highhumidi;y-Industrialatrnospnere(COr-SO>mix)-SaltsprayCHEMICALRESISTANCEOFTHERMO-LAG330-1-Water-Sulfuricacid-Hydrochloricacid-Sodiumhydroxide-Sodiumchloride-Aceticacid-Kerosene-AnhydrousAmmonia-LNG-LPG-Methanol1010105percentsolutionpercentsolutionpercentsolutionpercentsolution-InteriorEnvironmentalConditions-Highhumidity-COz-SO>atmospheremix-ChlorineResults:Servicelifeofatleast40yearsPTN-BFJM-96-005ATTACHMENT4REVISION0PAGE2of2CHEMICALRESISTANCEOFTHERMO-LAG350-2PTOPCOAT-FrequentContact-Alkalisolutions-Saltsolutions-Alcohols-Aliphatichydrocarbons-Aromatichydrocarbons-OccasionalContact-Freshwater-Wastewater-Mineraloils-Vegetableoils-Organicacids-Mineralacids-Oxidizingagents-Ketones.Si...,,260BrsnnonAveSc.Louis,Mo.63139~t314)3528422sTelex:442384~Telex:20-9901 PTN-BFJH-96-005ATTACHHENT1REVISION0PAGE1of15AMPACITYDEBATINGOFFIREPROTECT'EDCABLESPmjectNo.12340-94583,95165-95168/5246ELECTRICALTESTTODETERMINETHEAMPACITYDERATINGOFAPROTECTIVEENVELOPEFORCLASS1EELECTRICALCIRCUITSMarch19,1993PreparedFor.TUElectricCOAGQlCHEPEAKSTEAMELECTRICSTATIONP.O.Box1002GlenRose,Texas76043-1002~gA~o0*E..'REGE)YEDDGT20)s93oeATOO Repo*Nc12340-94583,95165-95168/5246TexasUtilities"ElectricPTN-BFJH-96-005ATTACHNEMTIREVISIOH0PAGE2of15Threeconduitassemblies,twoairdropassemblies,andonecabletrayasseinbly,cladwithThermo-Lagmaterialsasdescribedherein,wereevaluatedinaccordancewiththeTexasUtilitiesElectricTESTPLAN,Rev.4,yieldingthefollowingampacityderatingvalues:TESTITEMPERCENTDERATING3C/¹10in3/4"Conduit3C/¹6in2"Conduit3C/¹6inAirDro24"CableTra750kCMilinAirDro4/C750kCMilin5"Conduit)9,346.6?3L631.810.7Thedetails,proceduresandobservationsreportedhereinarecorrectandtruewithinthehmitsofsoundengineeringpractice.Allspecimensandtestsampleassemblieswereproduced,installedandtestedunderthesurveillanceofeitherTexasUtilities'rthetestinglaboratory'sQualityAssuranceProgram.Thisreportdescribestheana1ysisofdistinctassemb1iesandincludesdescriptionsofthetestprocedurefollowed,theassembliestested,andallresultsobtained.AlltestdataareonBIeandremainavailableforreviewbyauthorizedpersons.HerbertW.StansberxyIIProjectManagerDateConstanceA.HumphreyManager,QADept.Deggary¹PriestPresidentDate~>4"o0oea~o+

000 ReportNo.~94583,95165-95168@&?A6TexasUtilitiesElectricPTN-BFJN-96-005ATTACHMENTREVISIONPAGE3o~I~TABLEOFCONTENTSINTRODUCTION'HMTPROCEDURETestEnclosureThermocouplesDataAcquisitionsystemCurrentControlSystem:FinalCurrentMeasurementsTESTASSEMBLYTestItems(General)TestItemsElectricalCablesThermocouplePlacementThermo-LagInstallationHighlights'H<DTRESULTSAPPENDICESAppendixA:CONSTRUCTIONDRAWINGSAppendixB:TESTPLANAppendixC:THERMOCOUPLELOCATIONSAppendixD:TABULARTESTDATAAppendixE:QUALITYASSUEVLÃCEAppendixF:PHOTOGRAPHSAppendixG:THERMO-LAGINSTALLATIONLastPageofDocument11122234457881Di3382532382781DETAILS8028%~AOO04y~eeAt<

ReportNo.12340-94583,95165-95168/5246TexasUtilitiesElectricPT¹-8FJH-96-005ATTACHHENT1REVISIO¹0PAGE4of15AFireProtectiveEnvelopeprotectselectricalcomponentsfromtheeG'ectsoffire.Indoingso,itwillreducetheinQowofenergyintothesystemandmaintaintheinternaltemperaturebelowmaximumlimits.Theselimitswillensurethatthecablesystemsremainfunctionalduringafire,andallowoperatorstomaintaincontrolofsystemsrequiredforfiresafeshutdown..TheadditionofaFireProtectiveEnvelopeonacablesystemwillnotonlyprotectthecontainedcablefromelevatedtemperaturesassociatedwithafire,butwillimpedetheheatdissipationassociatedwithcableoperation.TheevaluationdescribedhereinwillyieldanaccurateandrealisticvaluefortheampacityderatingofcableswhenaFireProtectiveEnvelopeis'instaQedonthecablesystem.ThisentiretestprogramwasperformedinaccordancewithTexasUtilitiesElectricTESTPLAN,Rev.4,whichhasbeenincludedinAppendixB.Thespecificdetailsofthisprojectwillbefoundinthatdocument.Theampacitytestenclosurewasconstructedofsteelstudwallsandceilingwithamuiimumof1in.ofpolystyreneinsulationliningtheinterioroftheroom.TheoveraQdimensionsofthetestenclosurewere20ft.x18R.x8R.AnentrydoorwasprovidedinonewallandanobservationwindowwasplacedinanadjacentwaQ.ThewaQwiththeobservationwindowwasmadetoberemovabletofacilitateeasierlocationoftestarticles.Four1.5RWheatersweredisposedabouttheroomtoregulateambientconditions.Twooftheheaterswerevariablefromoutsideofthetestenclosureviaconnectiontostandardlaboratoryvariabletransformers.Locateddirectlybehindeachheaterwasa24in.boxfantogentlystirtheairandmoreevenlydistributetheheat.Atotalofninethermocouplesweresuspendedfromtheceilingandpositionedinthehorizontalplaneofthetestitems,12in.awayfromvarioustestitemstomonitortheambientroomtemperatures.Twostanchionswereerectedtosupportthetestarticles.Eachstanchionconsistedofalengthof2in.squaresteeltubingsupportedatseveralpointsbyanA-frameleg.Alengthof2in.x4in.woodstudwasafBxedto,thetopsurfaceofeachstanchion.Inthecaseofallbutthe5in.conduit,thetestarticlewiththefireprotectivesysteminstalledwastestedfirst.Oncethesystemhadattainedequilibriumandallfinalmeasurementshadbeentaken,thefireprotectivebarrierwasremovedfromthesystem(inthecaseoftheairdropassembliesandthecabletray~oAAor+0~4Cgo~a~o+

ReportNo.12340-94583,95165-95168@5246TexasUtilitiesElectricPTN-BFJH-96-005ATTACHMENTIREVISION0PAGE5of15assembly)ortheinstrumentedcablewasremovedfromthecladconduitandinsertedintoasimilarlyconstructed,bareconduit.TEGWKOCOUPUHTemperaturesonthecableconductorswithintheconduitandairdropassembliesweremeasuredwithTypeT,24gauge,Copper-ConstantanelectricallyweldedthermocouplesformedfromCopperandConstantanwiresof"speciallimitsoferror(M.5'C),"andcoveredwithTeQonFEYinsulation.TemperaturesonthecableconductorswithinthecabletrayassemblyweremeasuredwithTypeK,24ga'uge,Chromel-AlumelelectricallyweldedthermocouplesformedfromChromelandAlumelwiresof"speciallimitsoferror(%1.1'C),"andcoveredwithbraidedfiberglassinsulation.Allthermocouplewirewascalibratedto&.5C.DATAACQUISXHONSYSTEMTheoutputs-ofthetestarticlethermocouplesandroomcontrolthermocouplesweremonitoredbyadataacquisitionsystemconsistingofaJohnFlukeMfg.Co.ModelHELIOSI2289AComputerFrontEnd,andanAppleComputerCo.MacintoshClassicmicrocomputer.TheComputerFrontEndwasconnectedtotheRS422SerialInterfacePortoftheMacintosh.ThecomputerwasprogrammedinMicrosoRBASICtocommandtheHELIOSunittosamplethedatainputlines,receiveandconvertdataintoadigitalformat,andtomanipulatethedatafordisplayonscreen,thehardcopyprintout,andsavingtoharddisk.Thecomputerprogramdetermined,anddisplayed,theaveragetemperaturesateachofthethreepositionsoneachtestarticle.Therateofchangeoftemperaturefortheaverageofthethexmocoupleslocatedinthecenterportionofthetestarticlewasthencalculated.Allindividualdatapointsandcalculatedvaluesweresavedonharddiskatoneminuteintervals.Arecordofindividuallocationtemperatures,zmuamumtemperaturesandratesofchangeoftemperatureswasprintedatGveminuteintervals.AlltestdataispresentedinAppendixF:TESTDATA.CORZROLSYBZESXThecurrentQowthroughthetestarticleswasregulatedusingprocesscontroltypedevices.Theavailablevoltageforanytestcontrolcircuitwas208Vacsinglephase.ASiliconControlled=Rectifier(SCR)device(Ha1marRobiconGroupModelNo.140P-FK2-CL)wasusedtovarythevoltageavailabletotheprimarysideofastep-downtransformerbetween0Vacand208Vacinproportiontoa4-20mAcontrolinput.Thetestarticlewasconnectedtothesecondarysideofthestep-downtransformer.Aproportional-integral-derivativeprocesscontroller(HoneywellUniversalDigitalControQerModelNo.UDC3002-0-000-1-00-ZQZ)wasresponsibleforgeneratingthe4-20mAsignalfedtotheSCRdevice,basedonavoltagefeedbackloop.Acurrenttransformer(Flex-CoreModelNo.58-151,150:5~~AAgr+0*07OATO ReportNo.12340-94583,95165-95168/5246TexasUtilitiesElectricPTN-BFJH-96-005ATTACHHENTIREVISION0PAGE6of15or76-102,1000:5ratio;inputamps:outputamps)wasfittedtooneleadofthetestarticletomonitorthecurrentflow'hroughtheconductor.Theoutputofthecurrenttransformerwasconnectedtoacurrenttransducer(Flex-CoreModelNo.CT5-005A)withamAtomVconverter(Flex-CoreModelNo.LRB-10000)toproducea0-10Vdcsignalproportionaltoa0-150Aor0-1000Acurrentspaninthesampleconductor.This0-10Vdcsignalisusedasthe"processvariable"inthefeedbacklooptothecontroller.'Inessence,theabovecircuitrymadeupaconstant-curx'entdevice,insensitivetolinevoltagechanges.Thecurrentinanygivensystemwasdriventoalevelhighenoughtobringtheconductorto90'Gasquicklyaspossiblebyincreasingthe'outputsignaloftheprocesscontrollerviakeypadcommands.Astheconductortemperatureapproached90'C,thecurrentlevelwasreducedandthetestarticlewasgiventimetorespondtocurrentchangesbeforeanotheradjustmentwasmadetothe'urrent.Duringthistimeperiod,thecontrollerwasturnedto"automatic"controlandthe"processvariablesetpoint"(thevoltageoutputfromthecurrenttransformerthatrepresentsthecurrentlevelatwhichthecontrollerwillmaintainthesystem)wasadjustedtothesamevalueasthedisplayedprocessvariable(thecontrollervariesitsoutputinorderthemaintaintheprocessvariableatthelevelindicatedbythesetpoint).Thisprocessofadjustingthecontrolleroutput(andthecontrolvariablesetpoint)andwaitingforthesystemtostabilize(about1/2hourtoabout2hours,dependinguponthenatureofthesystem)wascontinueduntilthetemperatureparametersofthetestarticlewerewithinthespecifiedlimits.Thecontrollerwasallowedtooperatethesystemforaminimumofthreehours.If,attheendofthreehours,thesystemwasstillwithintheboundsofallspecifications,afinalcurrentandvoltagemeasurementweretakenandthesystemwasdeemed.tobeinequilibrium.AllfinalcurrentmeasurementswereperformedusingammeterssuppliedandcalibratedbyTexasUtilitiesElectric.TheseammeterusedweremanufacturedbyJamesBiddleCo.andidentifiedasBiddleInstrumentsDigitalClamp-OnRMSVolt-Aauneter,Cat.No.278001(TUElectricIDNo.IC-1029andIC-1030).Measurementsrecordedfortestitemscontaining3C/¹10AWGof3C/¹6AWGcableweretakenwiththeammeterIDNo.IC-1030.Currentmeasurementsrecordedfortestitemscontaining750kCMilcableweretakenwiththeammeterIDNo.IC-1029.CalibrationdocumentationforthesedevicescanbefoundinAppendixG:QualityAssurance.Ops0+

Repo*Na12340-94583,95165-95168/5246TexasUtilitiesElectricPTN-BFJH-96-006ATTACHHENTIREVISION0PAGE7of15xeEZIXZ2tB(GENEtIALlTheconduitmaterialsusedinthetestwereprovidedbyTexasUtilities,andarerepresentativeofthoseinstalled,atCPSES.CabletraymaterialsusedinthistestwerepurchasedbyOmega'PointLaboratoriesfromB-LineSystems,Inc.(Cat.No.248P0924144).Thefollowingtableprovidespertinentdataonthecabletraymaterialused:DIMENSIONSiderailthicknessRunthicknessRunsacinRungdimensions0.048in.18GA9in.o.c.1-5/8in.wx13/16in.hx3/8in.leCabletraystraightsectionsconsistedofASTMA446,GRA,pre-galvanizedsteel,ASTMA525.AHtestitems(withtheexceptionofthecabletrayassembly)wereconstructedfrommaterialsextractedfromTUElectric'sComanchePeakSteamElectricStationstockmaterialstorageareasinaccordancewithexistingsiteprocedures.Electricalcablesusedinthistest(withtheexceptionofthecabletrayassembly)consistedofcablessuppliedbyTUElectricandtakenfromCPSESinventory.Cablesused,inthesetestswereasfollows:CAIKZTYPE%420W426W408CABLEFUNCTIONPowerPowerPowerPowerDESCMPZIDN3C/¹6AWG600v.3C/¹10AWG600v.l/C750kCMil.600v.3C/¹6AWG600v.0.6170.750CK538S.SECTIONALAREA(in?)02991307'.442Thediametersandcross-sectionalareaslistedhereinrepresenttheLaboratory'saverageoftenmeasurementsofeachcabletype.

ReportNL12340-94583,95165-95168/5246TexasUtilitiesElectricPTN-BFJH-96-005ATTACHHENTIREVISION0PAGE8of15Thermo-Lag330-1MatexialsThermo-LagmaterialswereprocuredfromThermalScience,Inc.(TSI),St.Louis,MO.TheThermo-LagmaterialswereextractedfromCPSESstockandwererepresentativeofmaterialsinstalledintheplant.EachonehourratedThermo-Lag330-17-RibbedPanelis1/2in.thick(nominal)x48in.widex78in.long,withstressskinmoaolithim~Jyadheredtothepandononeface.Hachpanelwasreceivedwith350Topcoatfactoryapplied.Each330-1Pre-ShapedConduitSectionis36in.long.Twothicknessesofconduitsectionmaterialswereused,V2in.thick(nomixml)and1/4in.thick(nominal)overlay"sections,bothwithstressskinmonolithicallyadheredtothesurfaceinstalledfacingtheprotectedconduit.The330-1conduitmaterialswerealsoreceivedwith350Topcoatfactoryapplied.OthermaterialssuppliedbyTSIwere330-1Trowel(bulk)GradeSublimingCompound(usedtopre-caulkalljointsandseamsonthecabletrayandconduitassemblies),330-660Flexi-BlanketMaterialusedtowrapthecableairdropassemblies,330-660Trowel(bulk)GradeMaterial(usedtopre~ulkallseamsonthecableairdropassemblies),330-69StressSkinMaterial(usedtoreinforcejointsonthecabletrayassembly)and350Topcoat(twopartwater-basedmixture).AllThermo-Lagmaterialsweremeasured,sawcut.andinstalledontotherespectivetestassemblybyPeakSealscraSpersonnelusingapprovedCPSESdrawings,proceduresandspeci6cations.InstaQationswereinspectedbyCPSES-certiGedqualitycontrolinspectors,OtherMaterialsOthercommercialgradeproductsusedwere:V2in.vridex0.020in.thick,type304stainlesssteelrolled-edgebandingstrapswithwingseals;16to18GAstainlesssteeltiewire;and,0.010in.stainlesssteelsheetmetal.Scheme¹AC-ITheassemblyconsistedofa3/4in.conduitthroughwhichwaspulledasinglethreeconductorcable(W-026,3C/¹10AWG,600V).Thetotalcablelengthusedforthistestitemwas60ft.Thethreeseparateconductorswithinthecablewereconnectedintoasingleseriescircuit.Thecurrentsourcewasthenconnectedtothetwofreecableends.Twoconduitswerepreparedfortesting,onecladandonebare-forbaselinetesting.~pa04~L4lrar4+

ReportNo.12340-94583,95165-9516845246TexasUtilitiesElectricPTN-BFJM-96-PP5ATTACHHENTREVISION0PAGE9ofI5Scheme¹AC4Theassemblyconsistedofa2in.conduitthroughwhichwaspulledasinglethreeconductorcable(W-020,3C/¹6AWG,600V}.Thetotalcablelengthusedforthistestitemwas60ft.Thethreeseparateconductorswithinthecablewereconnectedintoasingleseriescircuit.Thecurrentsourcewasthenconnectedtothetwofreecableends.Twoconduitswerepreparedfortesting,onecladandonebare-forbaselinetesting.Scheme¹AC-5Theassemblyconsistedofa5in.conduitthroughwhichwaspulledfourseparatesingleconductorcables(W-008,VC750RCMil,600V}.Thetotalcablelengthusedforthistestitemwas88ft.Thefourseparateconductorswereconnectedintoasingleseriescircuit.Thecurrentsourcewasthenconnectedtothetwoi'reecableends.Twoconduitswerepreparedfortesting,onecladandonehare-forbaselinetesting.Scheme¹AA1-1Theassemblyconsistedofasinglethreeconductorcable(W-020,3C/¹6AWG,600V}representinganairdropassembly.Thetotalcablelengthusedforthistestitemwas60ft.Thethreeseparateconductorswithinthecablewereconnectedintoasingleseriescircuit.Thecurrentsourcewasthenconnectedtothetwokeecableends.Thecablewascladandallowedtocure.Thematerialwasthenremovedtoperformthebaselinetesting.Scheme¹AA4-2Theassemblyconsistedofthreeseparatesingleconductorcables(W-008,VC750kCMil,600V)representinganairdropassembly.Thetotalcablelengthusedforthistestitemwas88'A.Thethreeseparateconductorswereconnectedintoasingleseriescircuit.Thenumntsourcewasthenconnectedtothetwofreecableends.Thecablewascladandallowedtocure.Thematerialwasthenremovedtoperformthebaselinetesting.Scheme¹AT-1Theassemblyconsistedofa24in.wider4in.deepcabletrayassemblyintowhichwaslaid126passesofsinglethreeconductorcable(3C/¹6AWG,TCXHHWCDRS,600Volt}.Thetotalcablelengthusedforthistestitemwas1720ft.Thethreeseparateconductorswithinthecablewereconnectedintoasingleseriescircuitandthecurrentsourcewasthenconnectedtothetwofreecableends.The ReportNo.12340-94583,95165-9516S$5246TexasUtilitiesElectricPTN-BFJH-96-005'ATTACHMENT1REVISION0PAGE10of15cabletrayassembly,wascladandallowedtocure.Thematerialwasthenremovedtoperformthebaselinetesting.Theinternalcross-sectionalareasfortheconduitsareasfollows:CONDUITSIZZ(INCH')ACTUALCONDUITCROSSSEGTIONALLD.(INCHES)AIKA(hP)08245.0470.5333.35620.006Theusablecross-sectionalareaofthecabletraywas(3in.deepx24in.wide)72squareinches.Thetablebelowshowsthecabletypesusedineachtestarticle,thenumberofeachcableinstalled,thetotalcross-sectionalareaofeachcabletypeandthepercentofthetotalavailableareatakenupbycableineachtestarticle.3/4in.CONDUITW%26CROSS.NUMBHLSECXXONALPRESEKZAREA(in2)2in.CONDUIT%OFTm'ALA%%A56.10CAXKZTYPEW20CRC)SS-NUMBI<2kSECTIONALPBESENX'REA(in2)0.7545in.CONDUIT%OFTOTALMu&22.47W408NUMBI<22PIKSEKECROSSSECTIONALARFA(hP)%QFTOTALAXu<M26.13a~o ReportNo.12340-94583,95165-95168/5246TexasUtilitiesElectricPTN-BFJM-96-005ATTACHMENT1REVISION0PAGE11of1524IN.CABLETRAYCABLETYPE3C/eeGROS&NUMBERSECTIONALPK~~ÃZAREA(ixl2)9oOFTOTALAMUk77.31TEG<2LMOCOUPLEPLACEIHKÃZ24gauge,TypeT,Copper-Constantanelectricallyweldedthermocouples(SpecialLimitsofError:0.5C,purchasedwithlottraceabilityandcalibrationcertifications)wereattachedinnineplaceswithineachconduitorairdropassembly,byslicingthroughtheouterjacketofthecable(downtobareconductor)andplacingthethermojunctionindirectcontactwiththetopsurfaceofthecableconductorandcoveringtheslitwithadoublewrapofglassfiberreinforcedelectricaltape(GlassClothElectricalTape,Class"B"Insulation,V2in.wide,3MCorporation,ItemNo.27)foramixdmumdistanceof3-1/2inches.Thirty-nine24gauge,TypeK,Chromel-Alumelelectricallyweldedthermocouples(SpecialLimitsofError:kl.lC,purchasedwithlottraceability)weresimilarlysecuredtothecableswithinthecabletrayassembly.Arepresentativesampleofthethermocouplewireusedinthecabletraytestarticlewascalibratedafterthetestprocedure.Onethermocouplewaslocatedoneachofthethreeconductorsineachsystem(exceptthecabletrayand5in.conduithavingfourconductors)atthemid-pointoftheassembly,andatbothendsoftheassembly(36in.leRandrightofmid-point).The5in.conduithavingfourconductorswassimilarlyinstrumented,however,thefourthconductorhadnothermocouplesinstalled.Thecabletrayassemblywasinstrumentedwithatotalofthirty-ninethermocouples(thirteenlocatedatthemid-pointofthecabletray,thirteenlocated36in.totheldtand36in.totherightofmid-point)locatedwithinthesecondandthirdlayerofcables.TEEZMO-LAGINSTALLATIONHIGHLIGHTSThermo-LagmaterialswereinstalledinaccordancewiththeinstructionscontainedintheCPSESSiteProceduresreferencedinTestPlan,Rev.4.ShortabstractsoftheinstaOationareincludedhereintoclarifyspeci6cdetails.ConduitSections(LfPin.nonLthickness)Thismaterialwasusedtoconstructthe3/4in.,2in.and5in.diameterraceway~~~designprotectiveenvelopes.yA>00*

Lf~,'

ReportNo.12340-94583,95165-95168,95246TexasUtilitiesElectricPTN-BFJN-96pp5ATTACHHENTREVISIONpPAGE12ofl5Thermo-Lag/'30-1Pre&hapedConduitSectionsfl/4in.nom.thickness)Thismaterialwasusedasanoverlayonthe3/4in.and2in.diameterracewaydesignprotectiveenvelopes.Thermo-Lag330-1V-ribbedPanels(I/2in,nom.thickness)Thismaterialwasusedtoconstructthecabletrayprotectiveenvelope.Thermo-Lag88MSublinungZmuelGradeMaterialThismaterialwasusedtopre-caulkalljoints,seamsandupgradedareasbetweenpre-shapedsections.Thermo-Lag83&869Ehmi-BlanketThismaterialwasusedtoconstructthecableairdropprotectiveenvelopes.Thermo-Lag8804NSubHnur~TmceelGradeMaterialThismaterialwasusedtopr~ulkalljointsandseamsbetween330-660Flexi-Blanketmaterialandalljointsof330-66-Flexi-Blanket.ApplicationMethodsEachrigidconduitassemblywascladwithThermo-Lag330-1V2in.(nominal)thickPre-ShapedConduitSectionMaterial.Alljointsandseamswerepre-caulkedwith330-1TrowelGradeMaterial.Thesectionsinstalledonthe5in.diameterconduitweresecuredusingstainlesssteelbandingmaterial.Thesectionsinstalledonthe3/4in.andthe2in.diameterconduitsweresecuredusingstainlesssteeltiewire.AGEbeingcladwithV2in.thick330-1P~hapedConduitSections,1/4in.thick(nominal)Pre-ShapedConduitSection("overlay")MaterialwasinstaQedonthe3/4in.andthe2in.diameterconduits.Alljointsandseamswerepre-caulkedwith330-1TrowelGradeMaterialandthensecuredusingstainlesssteelbanding.Finally,Thermo-Lag350Topcoatwasappliedoverareaswherethe330-1TrowelGradeMaterialhadbeenappliedfollowinga72hour(annimumcuretime).TheentirecabletraysystemwascladwithThermo-Lag330-11/2in.(nominal)V-RibbedPanelMaterial.Topreventsaggingofthetoppanels,thecabletraywaspre-bandedusingstainlesssteelbanding.Aljointsandseamsoftheprotectiveenvelopewerepre-caulkedwith330-1TrowelGradeMaterialandsecuredwithstainlesssteelbandsspacedat12in,intervals.a~o45oea~o~

ReportNo.12340-94583,95165-95168,95246TexasUtilitiesElectricPTN-BFJM-96-005ATTACHMENT1REVISION0PAGE13of15Duringconstructionofthecabletrayprotectiveenvelope,severalareasoftheenvelopevrerereinforcedwithcombinationsofstainlesssteelwire,Thermo-Lag330-1TrowelGradeMaterialandThermo-Lag330-69StressSkinwhichvrassecuredvrithstaples.Theareasreinforcedincludedbuttjointsbetweenpanelsonthebottomsurfaceoftheenvelopeandthelongitudinalseamswherethetopandbottompanelsoverlappanelpiecesinstalledatthetraysiderails.Thebuttjointsbetweenpanelsonthebottomsurfacevrere"stitched"withstainlesssteeltiewireson5in.centers.Athinlayerof330-1TrowelGradeMaterial(approximately3/16in.thick)wasnextappliedextending5in.oneachsideofthebuttjoints.Stressshinvrascutandvrrappedcircumferentiallyaroundtheenvelopetooverlapthebuttjointsby5in.oneachside.Thestressskinwasworkedintothetrowelgradelayerandsecuredinplacewithstaplesandstainlesssteeltiewire.Ashimcoatof330-1TrowelGradeMaterial,approximatelyV16in.thick,vrasthenappliedoverthestressskinandthetievrires.Toreinforcethelongitudinalseamsatthesiderails,a3/16in.thicklayerof330-1TrowelGradeMaterialvrasappliedoverthepanelsinstaQedatthesiderailsandextending5in.tovrardsthemiddleofthetrayandboththetopandbottomsurfaces.Stressskinwascutandformedintoasquared,U-shapedcon6gurationwhichwasplacedoverthesidesandontothetopandbottomsurfacesfora5in.distance.Thestressshinwasworkedintothetrowelgradelayerandsecuredinplacewithstaplesandstainlesssteeltievrire.Ashimcoatof330-1TrowelGradeMaterial,approximatelyV16in.thick,vrasthenappliedoverthestressskinandtievrires.Finally,Thermo-Lag350Topcoatwasappliedoverallareasvrhere330-1TrovrelGradeMaterialhadbeenappliedfoQovringa72hour(minimum)curetime.Eachcableairdropassemblyvrascladvriththreecomplete'-wrapsofThermo-Lag330-660Flexi-BlanketMaterial.Anoverlapof2in.-4in.wasmaintainedforeachwrap.Theoverlapareaofeachwrapvraspre-caulkedwithThermo-Lag330460TrowelGradeMaterialandsecuredwithstainlesssteelbandsspacedon6in.centers.Theoverlapareasvrerepositioned180'omoneanother.ThecompletedtestspecimensvrereplacedintheLaboratory'stestenclosureandthethermocouplesconnectedtothedataacquisitionsystemandtheiroutputsveriGed.ThetestsvrereconductedfromMarch2,1993,toMarch14,1993,byHerbertW.StansberryII,projectmanager,vriththefoQovringpersonspresentatvarioustimes:~oAAo.0*4eato ReportNo.12340-94583,95165-95168/5246TexasUtilitiesElectricPTN-BFJM-96-005ATTACHMENT1REVISION0PAGE14of15RenaldoJeakinsDickWilsonBillRodgersJohnWhiteChesterPruettMelvinQuickKentBromaDeggary¹PriestKerryHitchcockConnieHumphryLaudeacioCastanonUSNRCUSNRCUSNRCTUElectricTUElectric(Fluor-DanielCorporation)TUElectric(Stone&WebsterEngineering)TVAOmegaPointLaboratories,Iac.OmegaPointLaboratories,Inc.OmegaPointLaboratories,Iac.OmegaPoiatLaboratories,Iac.TESTITEMEQU.EQU.VOLTAGECURRENT(VOLTS)(AMPS)EQU.TEMP('C)ROOMCORRECTEDTEMP'URRENTPERCENT('C)(AMPS)DERATING3C/¹10in3/4"Conduit(base)3C/¹10Ul3/4Conduit(clad)3C/¹6in2Conduit(base)3C/¹6in2Conduit(clad)3C/¹6inAirDrop(base)3C/¹6inAirDrop(clad)3C/¹6in24"CableTray(base)3C/¹6in24"CableTray(clad)11.911.09.969.1510.98.1246,539.436.094.074.015.989.889.490.589.189.990.989.890.340.339.340.339.339.540.539.539.939.635.964.593.673.823.115.89.3421231.6 ReportNo.12340-94583,95165-9516845246TexasUtilitiesElectricPTN-BFJH-96-005ATTACHMENT1REVISION0PAGE15of15TESTITEMEQU.EQU.VOLTAGECURRENT,(VOLTS)(AMPS)EQU.ROOMCORRECTEDTEMPTEMPCURRENT('C)('C)(AMPS)PERCENTDERATING750kCMilinAirDrop(hase)750kCMilinAirDrop(clad)4C750kCMilin5Conduit(base)4/C750kCMilin5Conduit(clad)5213.622.192.0889.540290.039.989.440290.040231.810.7Theequilibriumcurrentvaluesaresingle-pointmeasurementsperformedaRerthesystemwasatequilibriumandthechangeincurrentwasverylow.TheEqu.Temp(equilibriumconductortemperatureatthehottestlocation),andtheRoomTemparereportedas60minuteaver'agevalues.TheCorrectedCurrentvaluesarethosecalculatedinaccordancewithP848/D12IEEEStandardProcedurefortheDeterminationoftheAmpacityDeratingofFireProtectedCables~,whichcorrects,thesecurrentvaluestoaroomtemperatureof40;Candaconductor.temperatureof90'C.whereITcTaTcTaa(Tc'-Ta')x(a+Tc)(Tc-Ta)x(a+Tc')testcurrentatequilibrium,ampereshottestconductortemperatureatcenteratequilibrium,'Cmeasuredenclosureambienttemperature,'Cnormalizedcurrent,amperesnormalized.conductortemperature=90'Cnormalizedambienttemperature=40'C234.5forcopper-a~o0 L,

Table2-DimensionsandweightsofrlgldsteelconduitNominalortradesizeofconduitlnNominalinsidediameterinCustomaryInch-poundunitsNominalLengthOutsidewallwithoutdiameterthicknesscouplinginlnftandinMinimumweightoftenunitlengthswithcouplingsattachedIbNominalinsidediameterMetricunitsNominalLengthOutsidewallwithoutdiameterthicknesscouplingmmmmmetersMlnlmumweightoftenunitlengthswithcouplingsattachedkg3/81/23/411-1/41-1/222-1/233-1/2560.4930.6320.8361.0631.3941.6242.083.24893.0903.5704.0505.0736.0930.6750.8401.0501.3151.6601.9002.3752.8753.5004.0004.5005.5636.6250,0910.1040.1070.1260.1330.1380.1460.1930.2050.2150.2250.2450.2669'11-1/2"9'11-1/4"9'11-1/49'119'119'11"9'119'10-1/29'10-1/2"9'10-1/49'10-1/4"9e1Qe9'10"51879.0105.0153.Q201.0249.0332.0527.0682.6831.0972.31313.61745.312.516.121.227.Q35.441.252.963.278.590.7102.9128.9154.817.121.326.733A42.248.360.373.088.9,101.6114.3141.3168.32.312.642.723.203.383.513.714.905.215.465.726.226.763.043.033.033.023.023.023.023.013.013.003.003.003.0023.3635.8347.6369.40.91.17112.95150.60239.05309.63376.94441.04595.85791.67NOTE-Applicabletoie~..ces:Length:~1/0<n(tB.35mm)(withoutcoupling)Outsider',ameterfortra..esizes3/8inthrough2In:k0.015in(a0.3Bmm)fortriodesizes2-1/2lnthrough4ln:a0.025ln(k0.64mm)forsadesizes5andBln:H%W.llthickness:See7.3.0X)W%Wmm-Im~~ChACl~Cl%CRmXI0+lbChI~ONO

EBASCOSERVICESINCORPORATEDPTN-BFJM-96-005ATTACHMENT3REVlSION0PAGE1of3UALuULALlvl'IouvwvYDATE4-2'/-VOCHKD.BYWDATE~b9taCLIENTPROJECTSUBJECTREVISION1OFSNO.SHEET~OF~ConductorSingle3/corTriplexCSingleCamhu;hu.3/corTxiylm812AWG810AWG88AWG86AWG84AWGN2AWG81/0AWG82/0AWGN4/0AWG8250kcmil8'350kcmil8500kcmil8750kcilf11000kcmil81250kcmil1.721.080.6790.4270.2690.1690.1060.08430.05250.04490.03200.02220.01480.01110.008881~7891.1230.7060.4440.2800.1760.1100.08770.05460.04670.0333.-0.02310.01540.01150.009241.72x1.25~2.151.08x1.25=1.350.679x1.25=0.8490.427x1.25=0.5340.269x1.25~0.3360.169x1.25=0.2110.106x1.25~0.1330.0843x1.25=0.1050.0525x1.25=0.06560.0449x1.25=0.05610.0320x1.25=0.0400.0222x1.25=0.02780.0148x1.25=0.01850.0111x1.25~0.01390.00888x1.25=0.01111.789x1.25=2.2361.123x1.25=1.4040.706x1.25=0.8830.444x1.25=0.5550.280x1.25=0.3500.176x1.25=0.2200.110x1.25=0.1380.877x1.25=0.1100.0546x1.25=0.06830.0467x1.25=0.05840.0333x1.25=0.04160.0231x1.25='.02891099E/2 yle,~e~CHKD.BYCLIENTPROJECTSUBJECTEBASCOSERVICESINCORPORATEDDATE4-2f-fODATE~62g!0REVISION1PTN-BFJH-96-005ATTACHHENT3REVISION0'96PAGE2of3OFSNO.~DEPTNO.~X6MX7~~iConductorAC/DCResistanceRatioACResistanceat90oCSingleConductor'@uuJMN12AWG810AWG88AWG86AWGI4AWG2AWG01/0AWG82/0AWG84/0AWG8250kcmil8350kcmilfbopkcmil'750kcil81000kcmilN1250kcmil1.01.01.01.01.01.01.0011.0011.0041.0051.0091.0181.0391.0671.1021.01.01.01.01.01.011.021.031.051.061.081.131.211.301.412.15x1.0=2.151.35x1.0~1.350.849x1.0~0.8490.534x1.0=0.5340.336x1.0=0.3360.211x1.0~0.2110.133xl.ppl~0.1330.105K1.001=0.1050.0656xl.004=0.06590.0561x1.005~0.05640.0400x1.009=0.04040.0278x1.018&.02830.0185x1.039~0.01920.0139xl.067~0.0148O.plllxl.102~0.01222.15x1.0=1.35x1.0=0.849x1.0=0.534x1.0=0.336x1.0=0.21lx1.01=0.133x1.02=0.105x1.03=0.0656x1.05=0.0561x1.06=0.0400x1.08=0.0278xl.13=0.0185x1.21=0.0139xl.3~0.0lllx1.41=2.151.350.8490.5340.3360.2130.1360.1080.06890.05950.04320.03140.02240.01810.01571099E/3 k',"i~~iti

  • ~a~CHKD.BYEBASCOSERVICESINCORPORATEDDATE~MDATE~62qEDREVISIONPTN-BFJM-96-005ATTACHMENT3REVISION0PAGE3of3EC-096SHEET4OF~2OFSNO.~~DEPTNO.~CLIENTPROJECTSUBJECTGD(SeeTable7.2.2.2aforac/dcresistanceratios)ConductorACResistanceat90oC3/CorTriplexHarm~812AWG810AWG88AWG86AWGI4AWG82AWG81/0AWG82/0AWGN4/0AWGf/250kcmil8350kcmil'8500kcmil2.236x1.404x0.883x0.555x0.350x0.220x0.138x0.110x0.0683x0.0584x0.0416x0.0289x1.0=2.2361.0=1.4041.0=0.8831.0=0.5551.0=0.3501.0=0.2201.001=0.1381.001=0.1101.004=0.06861.005~0.05871.009=0.04201.018=0.02942.236x1.404x0.883x0.555x0.350x0.220x0.138x0.110x0.0683x0.0584x0.0416x0.0289x1.0=1.0=1.0=1.0=1.0=1.01=1.02=1.03=1.05=1.06~1.08=1.13=2.2361.4040.8830.5550.3500.2220.1410.1130.07200.06190.04490.03271099E/4 INC.APPROVEDFIREBARRlERSFORTHERUClEARINDUSTRYthermO-hg'30-1FIREBARRIERMATERIALPR0PERTIfSPTN-BFJM-96-005ATTACHHENT4REVISION0PAGEIof2ThisbrochurepresentsthemajorpropertiesofTHERMO-LAGininterestfornucleargeneratingplantapplication.Foradditionaldatanot'resented.consultTSI.RADIATIONRESISTANCE-2.12x1Pradstotal40yearintegrateddose-AfterirradiationnodegradationinfireresistivepropertiesFIREPROTECTIVEFEATURES-ASTME-84TestingforTHERMO-LAG330-1-FlameSpreadRating5-FuelContributedRating-,0.-SmokeDevelopedRating-15-ASTME-84TestingforTHERMO-LAGPrimer-FlameSpreadRating0-FuelContributedRating-0-SmokeDevelopedRating-5-ASTME-84TestingforTHERMO-LAG350-2PTopcoat-FlameSpreadRating5-FuelContributedRating-0-SmokeDevelopedRating-0-One-hourand;hTee-hourfireendurancetestinaccordancewithASTME-119,and.ANI/MAERPtest"ANI/MAERPStandardFireE'nduranceTestMethodtoQualifyaProtectiveEnvelopeforClass1EElectricalCircuits".-1/2InchTHERMO-LAGratedonehour-1inchTHERMO-LAGratedthreehours.-ASTME-119hosestreamtestonelectricaltraysandconduitforoneandthrcchourratedTHERMO-LAG(2-1/2minutehosestreamapplication)~~-ASTME-119firetestsforstructuralsteel,hangerstodeterminerequiredTHERMO-LAGthicknessforoncandthreehourrating-Tray.=-Conduit17percentderating10.9percentderatingMECHANICAL(PHYSICAI-)PROPORTIES-Densitywet-10.5lbs/gallon-Densitydry-75~3Ibs/ft3-DryWeight1/2inchthickness(one*ourrated)~3.25Ib/Its-DryWeight1inchthickness(three-hourrated)~6.5Ib/ltz-Venterbased-Tensilestrength(75'F)-800PSI-Shearstrength-(75'F)-1100PSI-Flexuralstiffness-(75'F)85KSI-Flexuralstrength-(75'F)-2200PSI-Bondstrength-(75'F)-575PSI-initialModulus~~'F)-70KSI-ThermalConductivity(Unfired.fullcured)0.1Btu/hrft.z'F/SEISMICPROPORTYTHERMO-LAGhasbeenqualifiedbystaticanalysisforaveryconservativeloading.Avalueof7.5ghorizontal~and6.0gverticalacceleration,combinedbiaxiallywasusedfortheanalysis.Thesevaluesboundmostnucleargeneratingplantseismiccriteria.AMPACITYDERATINGAmpacityderatingtestsperformedinaccordancewithIPCEAPublicationNumberP-54-440(SecondEdition)(todeterminecablebaseampacity)andNEMAPublicationNo.WC51-1975,Thefollowingresultswereobtained(for40percentloading):One-HourTHERMO-LAGBarriers-Tray-12.5pere'entderating-Conduit-6.8percentderatingThree-HourTHERMO-LAGBarriers 10percentsolution10percentsolution10percentsolution5percentsolution(Bulk)0(Ilute>arse-><rageConditions(aabove32'Fandbelow100FAsbestoesfreeNon-toxicHEMICALRESISTANCEOFERMO-LAG330-1-Water-Sulfuricacid-Hydrochloricacid-Sodiumhydroxide-Sodiumchloride-Aceticacid-Kerosene-AnhydrousAmmonia-LNG-LPG-MethanolC'P~C~lwt~lI~~~lwl-Highhumidity-Industrialatmosphere(CO>-SO>mix)-Saltspray-InteriorEnvironmentalConditions-Highhumidity-CO>-S+atmospheremix-ChlorineResults:Servicelifeofatleast40yearsPTN-BFJH-96-005ATTACHMENT4REVISION0PAGE2of2CHEMICALRESISTANCEOF~THERMO-LAG3$0-2PTOPCOAT-FrequentContact-Alkalisolutions-Saltsolutions-Alcohols-Aliphatichydrocarbons-Aromatichydrocarbons-OccasionalContact-Freshwater-Wastewater-Mineraloils-Vegetableoils-Organicacids-Mineralacids-Oxidizingagents-Ketoncs~Si,.,~~260BrennonAve.Sc.Iouie.Mo.63138~(314)3528422~Telex:44-2384~Telex:20-8601
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