ML17229A178

From kanterella
Revision as of 14:47, 29 June 2018 by StriderTol (talk | contribs) (Created page by program invented by StriderTol)
Jump to navigation Jump to search
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.
To:
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
Download: ML17229A178 (70)
v • d • e


Text

PageiCALCULATION COVERSHEETCalculationNo:PTN-BFJH-96-005 Title:FireBarrierAmacitCorrection Factors-ExtraolationofTestResultsfor3HourBarrierNo.OriginalIssueDescritionBy!l(~DateChkdDateApprDateREVISIONSForm82A,Rev6/949hi2260324 9hi2i9PDRADQCK05000335PPDR

PageiiLISTOFEFFECTIVE PAGESCalculation No.PTN-BFJM-96-005 Rev.TitleFireBarrierAmacitCorrection Factors-ExtraolationofTestResultsfor3HourBarrierPae1ll1111234567891,234555556SectionRev.0000000000'0PaeSectionRev.A1A2A3A415Pages)1Page)3Pages)2Pages)Form82B,Rev6/94

PageiiiTABLEOFCONTENTSCALCULATION NUMBERPTN-BFJM-96-005 REV.SECTION1.02.03.04.05.06.0TITLECoverSheetListofEffective PagesTableofContentsPurpose/Scope References Methodology Assumptions/Bases Calculation ResultsPAGESATTACHNO.TITLEPAGESOmegaPointLabTestReportkl2340-.94583,95165,95168,95246, "Electrical Testto'etermine theAmpacityDeratingofaProtective EnvelopeforClass1EElectrical Conduits" ANSIC80.1-1990Table2-"Dimensions andWeightsofRigidSteelConduits" EbascoCalculation EC-096,"CableAmpacityAndVoltageDropCalculation" AddendumBPages2,3,4.15TSIInc.,Thermolag 330-1ThermalProperties 2Form82C,Rev6/94 CALCULATION SHEETREV'SHEETNO.1.0Purpose/Scope GL92-08(Ref.2.1)hasrequiredFPLtoreviewtheampacitycorrection factors(ACF)usedforracewaywithfirebarriers.

Theampacitycorrection willbebasedontestingperformed atOmegaPointLaboratories forTexasUtilities ComanchePeakPlant.Thetestingincludedconduitandcabletraywitha1Hourfirebarrierinstalled.

Thiscalculation willuseheattransfercalculations toextrapolate theresultsfromthe1hourbarrierteststothreehourratedbarriersusedattheTurkeyPointandSt.LuciePlants.2.0References 2.1GL-92-08, "Thermo-Lag 330-1FireBarriers" DatedDecember17,1992.2.2OmegaPointLabTestReport¹12340-94583,95165,95168,95246, "Electrical TesttoDetermine theAmpacityDeratingofaProtective EnvelopeforClasslEElectrical Conduits" (Included asAttachment 1)2.3ASHRAEHandbook, 1991Fundamentals 2.4NRCSafetyEvaluation ofAmpacityIssuesRelatedtoThermo-Lag FireBarriersatComanchePeakSteamElectricStation,Unit2(TACNo.H8599)DatedJune14,1995.ANSIC80.1-1990,Table2"Dimensions andWeightsofRigidSteelConduits" (IncludedasAttachment 2)2.6EbascoCalculation EC-096,"CableAmpacityAndVoltageDropCalculation" (IncludedasAttachment 3)2.7.TSIInc.,Thermolag 330-1ThermalProperties (Included asAttachment 4)Form83,Rev6/94 CALCULATION SHEETI;CALCULATION NO.PTN-BFJM-96-005 REV0SHEETNO.3.0Methodology

-THERI'AO-LAG CONDUITCABLERiRtRsRgHeattransferwillbecalculated perfootofracewaylengthinaccordance withthefollowing relationship:

q(Tc-Ta)/(Ri+Rg+Rt+Rs)qTcTaRiRgRtRsRateofheattransferfromracewayTemperature ofconductor (90'C/194'F)

Ambienttemperature (40'C/104'F)

Thermalresistance ofallitemswithintheracewayincluding theracewayitselfThermalresistance oftheairgapbetweentheracewayandthefirebarriermaterialThermalresistance ofthefirebarriermaterialThermalresistance atthesurfaceoftheprotected orunprotected racewayTheheattransferred fromtheracewayundersteadystateconditions isessentially equaltotheI'Rlosseswithintheconductors.

Theseheatvaluescanbedetermined fromthetestdatabasedonthemeasuredcurrentandsizeofconductor used.TcandTaarefixedtestparameters withvalueswhicharelistedabove.Form83,Rev6/94 CALCULATION SHEET0CALCULATION NO.PTN-BFJH-96-005 REV0SHEETNO.Thethermalresistance valueswillbedetermined basedontestdataandphysicalproperties asfollows:Riwillbecalculated fromthetestdataforracewaywithoutfirebarrierRgwillbecalculated fromthetestdataforracewaywithaIhourbarrierRtwillbecalculated basedontheknownthermalconductivity (k)forThe~mn-Lag Rswillbebasedunknownphysicalproperties considering convection aridradiation heattransfer.

Afterallofthethermalresistance valueshavebeenestablished, theheattransferred canbecalculated fortheracewaywiththethreehourbarrier.Sincetheheatisafunctionofthecurrentsquared,theampacitycorrection factor(ACF)willbedetermined bythefollowing relationship.

ACFI/IV(q,~qwherethesubscript preferstotheprotected raceway4.24.34.44.54.6Assumptions/Bases Theeffectofinductive lossesintheracewayandcablesheathwillbenegligible withrespecttoapplyingthetestdatatotheTurkeyPointandSt.Lucieconfigurations, Surfaceemittance forcable,raceway,andThermo-Lag willbeassumedtobeequalto0.9.Notethatahighemittance valuewillreducethethermalresistance atthesurfacehavinganoveralleffectofmaximizing theampacityde-rating.

Heattransferthroughthesidesofcabletraywillbeassumedtobezero.Thiswillreducetheheattransferequationfortraytoaonedimensional heattransferequation.

Asthetestedcabletrayisrelatively wide,24",thisisexpectedtobeagoodapproximation forallcabletray.OnehourThermo-Lag firebarrierwillbeassumedtobeattheminimumthickness of1/2"(I/4"foroverlaywhereused).Thisthickness willprovideaconservative valuewhencalculating theRvalueforthegapbetweentheracewayandthebarrier.ThreehourThermo-Lag firebarrierwillbeassumedtobeatthenominalthickness inaccordance withthemanufacture's tolerance, l-l/4inches.Thisthickness'will provideaconservative resultwhencalculating theheattransferred withthethreehourbarrier,asthevalueoftheinitialIhourwrapwasminimized.

Itwasjudgedtobeunrealistically conservative togotothemaximumthickness tolerance of1.5inches.Racewayismadeofrigidsteel,magneticmaterial, whichistypicalforpowerplantinstallations.

Bankedconduitwhichisbankedinasingleplanecanbeassumedtobeequivalent tocabletray.Bothconfigurations involveacablemassarrangedinashallowrectangular section.Bothconfigurations involveanairgapbetweenthecablesandthefirebarriermaterial.

Form83,Rev6.'94 CALCULATION SHEETCALCULATION NO.PTN-BFJN-96-005 REV0SHEETNO.44.8Thethermalresistance valuesforallitemswithintheracewayandforthegapbetweentheconduitandtheThermolag materialwillbeassumedtoremainconstantasadditional thickness ofThermolag isinstalled.

Considering thatthegeometryoftheseareasisnotchanged,thisapproximation isreasonable forthepurposeofextrapolating thethermalresistance fromracewaywith1hourwraptoracewaywith3hourwrap.5.0Calculation 5.1Determination oftestheatloadsTestheatlossinwattsiscalculated bythefollowing equation:

qIRNqHeatPerFootITestCurrentRCableResistance PerFootNNumberofConductors Raceway(Conductor)

Size3/4(I-3C/0'10) 3/4WrappedTestCurrent,39.6'5.9.0014046.615.4322.618.5Resistance NumberofHeat/FtHeat/FtPerFoot,Conductors Watts~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.CurrentisfromReference 2.22.Resistance perfootisfromRef.2.63.HultiplyWattsby3.413toobtainBTU/HrForm83,Rev6'94 CALCULATION SHEETCALCULATION NO.PTN-BFJH-96-005 REV0SHEETNO.5.2Determination ofThermo-Lag Rvalues(R,)ForheattransferthroughThermo-Lag cylinderRLn(RJR;)/2vkL R.OutsideRadiusR;InsideRadiusk-ThermalConductivity 0.1BTU/Hr-FT-'F LLength1Ft.(PerFoot)(Ref.2.3,Page2.3)(Ref.2.7)ForheattransferthroughThermo-Lag sheet(Ref.2.7)RL/kA(Ref.2'.3,Page 2.3)LThickness kThermalConductivity 0.1BTU/Hr-FT-'F ASurfaceAreaNAfulltabulation oftheThermo-Lag Rvaluesforthevarioussizesisincludedinthespreadsheet below.5.3Determination ofsurfaceRvalues(R,)Thesurfaceresistance willconsiderfreeconvection andradiation heattransfer.

Forfreeconvection q,hAKTq,heattransferred byconvection h-convection heattransfercoefficient Forhorizontal cylinders inairh.27(hT/L)'"

(Ref.2.3,Page2.12)A-SurfaceAreaL-Characteristic lengthinfeet(diameter orwidth)q,.27(4T/L)"MT Forradiation q,ohe(T,-T,)q,Heattransferred byradiation 01.714X10BTU/Hr-Ft

-R',Boltzmann ConstantASurfaceareaSurfaceEmittance

.9TAbsoluteTemperature, Rankineq,-1.714X10'(.9)

A(T,'-T,')

(Ref.2.3,Page2.11)(Assumption 4.1)Form83,Rev6/94 CALCULATION SHEETCALCULATION NO.PTN-BFJM-96-005 REV0SHEETNO.6Fortotalheattransferred fromthesurfaceq,-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]A 5.4Calculation ofACFTheACFiscalculated usingaspreadsheet inaccordance withthemethodology described above.Adescription ofthespreadsheet follows:OD/WThisisaninputvalueoftheconduitoutsidediameterorcabletraywidth.Conduitdiameters areobtainedfromReference 2.5.THThisvalueisthethermolag thickness.

Foreachracewaysizeathickness representing nowrap,1Hrwrap,and3Hrwrapisentered.ODTThisistheoutsidediameteroftheracewaywithanywrapcalculated fromthe00andTH.ForcabletrayODisnotcalculated becauseitwillalwaysbeequaltoW,ATheoutersurfaceheattransferarea.Notethatforracewayboththetopandbottomareasareincluded.

Areaiscalculated onthebasisofaonefootlengthofraceway.RiInsidethermalresistance asdefinedabove.Thevalueiscalculated fromthetestdatawithnowrapinaccordance withthefollowing formula.TheRivaluecalculated isthenusedforthecaseswith1Hrand3Hrwrap.NotethatthereisnoRgandRtforthiscase.RihT/q-Rs,WherehT=90'F(Tempdropfromconductor surfacetoambient)RgGapthermalresistance asdefinedabove.Thevalueiscalculated fromthetestdatawith1Hrwrapinaccordance withthefollowing formula.TheRgvaluecalculated isthenusedforthecasewith3Hrwrap.RgbT/q-(Ri+Rt+Rs),WherehT-90'FRtThermo-Lag thermalresistance.

Thevalueiscalculated inaccordance withthefollowing equations whichweredeveloped above.ConduitRtLn(ODT/OD)/2vk, k.1(Ref.2.7)TrayRtTH/kA,K.1Form83,Rev6/94r CALCULATION SHEETCALCULATION NO.PTN-BFJH-96-005 REV0,SHEETNO.7RsSurfacethermalresistance iscalculated inaccordance withthefollowing equations whichweredeveloped above.NotethatthehTinthisequationisbetweenthesurfaceandambientandtheT4valuesmustbein'R.Theambienttemperature usedis104'F/564'R.

Rs1/[.27((Ts-104)/ODT)"

+1.714X10'.9)((Ts

+460)'-564')/(Ts-104)]A TsSurfacetemperature ofThermo-Lag nrbareconduit.Thevalueisdetermined byiteration untilqq'.qHeattransferred

-Fornowrapor1Hrwrapthevaluefromthetestdataisused.for3Hrwrapcalculate asfollows:qhT/(Ri+Rg+Rt+-Rs),WherehT90'Fq'eattransferred fromthesurface-Calculate heattransferred fromthesurfaceasfollows:q-hT/Rs,WherehTTs-104'FFromcontinuity',

theheattransferred fromthesurfaceisthesameasthetotalheattransferred.

Inordertosolvethevariouscases,Tsisadjustedbyiteration untilACFAmpacitycorrection factorcalculated bythefollowing equationwhichwasdeveloped above.ACFv(q,~qForm83,Rev6/94 PTN-BFJM-96-005 Revision0Page8of9RACEWAYHEATTRANSFERANDAMPACITYDE-RATING CONDUITODINTHINODTINARiRgRtRs-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-195.5631.45640.5600.34285.5630.56.5631.71820.5600.0000.26310.30945.5631.258.0632.11090.5600.0000.59070.2686138.18128.60121.0499.70,99.70 NIA79.5079.500.89363.4363.430.798CABLETRAYIBANKEDCONDUITWTHARiRgRtRsTsININSQFTBTU/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

CALCULATION SHEETCALCULATION NO.PTN-BFJH-96-005 6.0ResultsREV0SHEETNO.Theampacitycorrection factorsforIHrThermo-Lag fromtestingand3hourThermo-Lag extrapolated bycalculation areasfollows.ItemConduit1Hr.89ACF3Hr.80Tray(BankedConduit).69.60Form83,Rev6:94

PTN-BFJH-96-005 ATTACHMENT IREVISION, 0PAGEIof15AMPACITYDEBATINGOFFlREPROTECTED CABLESProjectNo.12343-94583,95165-95168,95246 ELECTRICAL TESTTODETERMINE THEAMPACITYDERATINGOFAPROTECTIVE ENVELOPEFORCLASS1EELECTRICAL CIRCUITSMarch19,1993PreparedFor:TUElectricCOMQICHEPEAKSTEAMELECTRICSTATIONP.O.Box1002GlenRose,Texas76043-1002 pppcp)ypDOCT20f993~~APpC~0ro'hara

ReportNo.12340-94583,95165-95168/5246 TexasUtilities Electric,PTN-BFJH-96-005 ATTACHHENT 1REVISION0PAGE2of15Threeconduitassemblies, twoairdropassemblies, andonecabletrayassembly, cladwithThermo-Lag materials asdescribed herein,'ere evaluated inaccordance withtheTexasUtilities ElectricTESTPLAN,Rev.4,yieldingthefollowing ampacityderatingvalues:TESTITEM3C/¹10in3/4"Conduit3C/¹6in2"Conduit3C/¹6inAirDrop24"CableTra750kCMilinAirDro4/C750kCMilin5"Conduit)PERCENTDERATING9.346.6731.631.810.7Thedetails,procedures andobservations reportedhereinarecorrectandtruewithinthelimitsofsoundengineering practice.

Allspecimens andtestsampleassemblies wereproduced, installed andtestedunderthesurveillance ofeitherTexasUtilities'r thetestinglaboratory's QualityAssurance Program.Thisreportdescribes theanalysisofdistinctassemblies andincludesdescriptions ofthetestprocedure

followed, theassemblies tested,andallresultsobtained.

AlltestdataareonGleandremainavailable forreview'by authorized persons.HerbertWStansberry HProjectManagerDateConstance A.HumphreyManager,QADept.DateDeggaryN.PriestPresident Date Report,Ne.12340-94583,95165-95168@5246 TexasUtilities ElectricPTN-BFJH-96-005 ATTACHMENT 1REVIS10N0PAGE3of15TABLEOFCONTENTSINTRODUCTION TESTPROCEDURE TestEnclosure ThermocouplesDataAcquisition systemCurrentControlSystemFinalCurrentMeasurements TESTASSEMBLYTestItems(General)

TestItemsElectrical CablesThermocouple Placement Thermo-Lag Installation Highlights TESTRESULTSAPPENDICES AppendixA:CONSTRUCTION DRAWINGSAppendixB:TESTPLANAppendixC:THERMOCOUPLE LOCATIONS AppendixD:TABULA,TESTDATAAppendixE:QUALITYASSURANCE AppendixF:PHOTOGRAPHS AppendixG:THERMO-LAG INSTALLATION LastPageofDocument1122234578810]3162532382781DETAILS8028%OQAyo+

ReportNo.12340-94583,95165-95168/5246 TexasUtilities ElectricPTN-BFJH-96-005 ATTACHMENT IRE'YISION0PAGE4of15AFireProtective Envelopeprotectselectrical components fromtheeQ'ectsoffire.Indoingsc,itvriQreducetheinQowofenergyintothesystemandmaintaintheinternaltemperature belowmaximumlimits.Theselimitswillensurethatthecablesystemsremainfunctional duringafire,andallowoperators tomaintaincontrolofsystemsrequiredforfiresafeshutdown.

TheadditionofaAre.rotective Envelopeonacablesystemwillnotonlyprotectthecontained cablefromelevatedtemperatures associated withafire,butwillimpedetheheatdissipation associated withcableoperation.

Theevaluation described hereinwillyieldaaaccurateandrealistic valuefortheampacityderatiagofcableswhenaFireProtective EnvelopeisiastaQedonthecablesystem.Thisentiretestprolpmnwasperformed inaccordance withTexasUtilities ElectricTESTPLAN,Rev.4,whichhasbeenincludedinAppendixB.ThespecificdetailsofthisprojectwiQbefoundinthatdocument.

TEAENCLOSURE Theampacitytestenclosure wasconstructed ofsteelstudwaQsandceilingwithaminunumofIin.ofpolystyrene insulatioa liaingtheinterioroftheroom.TheoveraQdimensions ofthetestenclosure were20ft.x18&.x8ft.Anentrydoorwasprovidedinoaewallandanobservation windowwasplacedinanadjacentwaQ.ThewaQwiththeobservation windowwasmadetoberemovable tofacilitate easierlocationoftestarticles.

Four1.5kWheatersweredisposedabouttheroomtoregu1ateambientconditions.

Twooftheheaterswerevaxiablefromoutsideofthetestenclosure viaconnection tostandardlaboratory variabletransformers.

Locateddirectlybehindeachheaterwasa24in.boxfantogentlystirtheairandmoreevenlydistribute theheat.Atotalofninethermocouples weresuspended fromtheceilingandpositioned iathehorizontal planeofthetestitems,12in.awayEpsomvarioustestitemstomonitortheambientroomtemperatures.

Twostanchions wereerectedtosupportthetestarticles.

Eachstaachion consisted ofalengthof2in.squaresteeltubingsupported atseveralpointsbyanA-frameleg.Alengthof2in.x4in.woodstudwasaQixedtothetopsurfaceofeachstanchion.

Inthecaseofallbutthe5ia.conduit,thetestarticlewiththefireprotective systeminstalled wastestedfirst.Oncethesystemhadattained.

equilibrium andaQfinalmeasurements h'adbeentatea,thefireprotective barrierwasremovedfromthesystem(inthecaseoftheairdropassemblies andthecabletray ReportNo.12340-94583,95165-95168/5246 TexasUtilities ElectricPTN-BFJH-96-005 ATTACHHENT IREVISIQN0PAGE5ofl5assembly) ortheinstrumented cablewasremovedfromthecladconduitandinsertedintoasimilarly constructed, bareconduit.THERMOCOUPUK Temperatures onthecableconductors withintheconduitandairdropassemblies weremeasuredwithTypeT,24gauge,Copper-Constantan electrically weldedthermocouples formedfromCopperandConstantan wiresofspeciallimitsoferror(&.5'C),"

andcoveredwithTeQonFEYinsulation.

Temperatures onthecableconductors withinthecabletrayassemblyweremeasuredwithTypeK,24gauge,Chromel-Alumel electrically weldedthermocouples formedfromChromelandAlumelwiresof"speciallimitsoferror(21.1'C),"

andcoveredwithbraidedfiberglass insulation.

Allthermocouple wirewascalibrated to&.5'C.DATAACQUXSZZXON SYSTEMTheoutputs-of thetestarticlethermocouples androomcontrolthermocouples weremonitored byadataacquisition systemconsisting ofaJohnFlukeMfg.Co.ModelHELIOSI2289AComputerFrontEnd,andanAppleComputerCo.Macintosh Classicmicrocomputer.

TheComputerFrontEndwasconnected totheRS422SerialInterface PortoftheMacintosh.

Thecomputerwasprograxnmed inMicrosoft BASICtocommandtheHELIOSunittosamplethedatainputlines,receiveandconvertdataintoadigitalformat,andtomanipulate thedatafordisplayonscreen,thehardcopyprintout, andsavingtoharddisk.Thecomputerprogramdetermined, anddisplayed, theaveragetemperatures ateachofthethreepositions oneachtestarticle.Therateofchangeoftemperature fortheaverageofthethermocouples locatedinthecenterportionofthetestarticlewas.thencalculated.

Allindividual datapointsandcalculated valuesweresavedonharddiskatoneminuteintervals.

Arecordofindividual locationtemperatures, maximumtemperatures andratesofchangeoftemperatures wasprintedatfiveminuteintervals.

Alltestdataispresented inAppendixF:TESTDATA.CONTROLSYSTEMThecurrentQowthroughthetestarticleswasregulated usingprocesscontroltypedevices.Theavailable voltageforanytestcontrolcircuitwas208Vacsinglephase.ASiliconControlled RectIfier (SCR)device(HalmarRobiconGroupModelNo.140P-FK2-CL) wasusedtovaxythevoltageavailable totheprimarysideofastep-down transformer between0Vacand208Vacinproportion toa4-20mAcontrolinput.Thetestarticlewasconnected tothesecondary sideofthestep-downtransformer.

Aproportional-integral-derivative processcontroller (Honeywell Universal DigitalController ModelNo.UDC3002-0-000-1-00-XXXK) wasresponsible forgenerating the'4-20mAsignalfedtotheSCRdevice,basedonavoltagefeedbackloop.Acurrenttransforxner (Flex-Core ModelNo.58-151,150:5a"oJ~0CyoRAxo 0

ReportNa.12340-94583,95165-95168@5246 TexasUtilities ElectricPTN-BFJH-96-005 ATTACHHENT IREVISION0PAGE6of15or76-102,1000:5ratio;inputamps:output amps)wasfittedtooneleadofthetestarticletomonitorthecurrentflowthroughtheconductor.

Theoutputofthecurrenttransformer wasconnected toacurrenttransducer (Flex-Core ModelNo.CT5-005A) withamAtomVconverter (Flex-Core ModelNo.LRB-10000) toproducea0-10Vdcsignalproportional to'a0-150Aor0-1000Acurrentspaninthesampleconductor.

This0-10Vdcsignalisusedasthe'processvariable" inthefeedbacklooptothecontroller.

Inessence,theabovecircuitry madeupaconstant-current device,insensitive tolinevoltagechanges.Thecurrentinaaygivensystemwasdriventoalevelhighenoughtobringtheconductor to90'Casquicklyaspossiblebyincreasiag the'output signaloftheprocesscontroller viakeypadcommands.

Astheconductor temperature approached 90'C,thecurrentlevelwasreducedaadthetestarticlewasgiventimetorespondtocurrentchangesbeforeanotheradjustment wasmadetothecurrent.Duringthistimeperiod,thecontroller wasturnedto"automatic" controlandthe"processvariablesetpoint"(thevoltageoutputfromthecurrenttransformer thatrepresents thecurrentlevelatwhichthecontroller willmaintainthesystem)wasadjustedtothesamevalueasthedisplayed processvariable(thecontroller variesitsoutputiaorderthemaintaintheprocessvariableatthelevelindicated bythesetpoint).Thisprocessofadjusting thecontroller output(andthecontrolvariab1esetpoint)andwaitingforthesystemtostabilize (about1/2hourtoabout2hours,depending uponthenatureofthesystem)wascoatinued untilthetemperature parameters ofthetestarticlewerewithinthespecified limits.Thecoatroller wasallowedtooperatethesystemforamuumumofthreehours.If,attheendofthreehours,thesystemwasstillwithintheboundsofallspecifications, afinalcurrentandvoltagemeasurement weretakenandthesystemwasdeemed.tobeinequilibrium.

sAllfinalcurrentmeasurements wereperformed usingammeterssuppHedandcalibrated byTexasUtiTities Electric.

Theseammeterusedweremanufactured byJamesBiddleCo.andidentified asBiddleIastruments DigitalClamp-OnRMSVolt-Ammeter, Cat.No.278001(TUElectricIDNo.IC-1029andIC-1030).

Measurements recordedfortestitemscontaining 3C/¹10AWGof3C/¹6AWGcableweretakenwiththeammeterIDNo.IC-1030.Currentmeasurements recordedfortestitemscontaining 750kCMilcableweretakenwiththeammeterIDNo.IC-1029.Calibration documentation forthesedevicescanbefoundi'AppeadixG:QualityAssurance.

~~APor+0*t'yOpAgO

'eportNo.12340-94583,95165-95168@5246 TexasUtilities ElectricPTW-BAH-96-005 AITACHHchT IREVISION0PAGE7of151%B1PEAS (GENERAL)

Theconduitmaterials usedinthetestwereprovidedbyTexasUtilities, andarerepresentative ofthoseinstalled atCPSES.Cabletraymaterials usedinthistestwerepurchased byOmegaPointLaboratories fromB-LineSystems,Inc.(Cat.No.248P0924144).

Thefollowing tableprovidespertinent dataonthecabletraymaterialused:ATXRIBUTE Siderailthickness Runthickness RunsacinRungdimensions DMENSION0.048in.18GA9in.o.c.1-5/8in.wx13/16in.hx3/8in.leCabletraystraightsectionsconsisted ofASTMA446,GRA,pre-galvanized steel,ASTMA525.Alltestitems(withtheexception ofthecabletrayassembly) wereconstructed frommaterials extracted fromTUElectric's ComanchePeakSteamelectricStationstockmaterialstorageareasinaccordance withexistingsiteprocedures.

Electrical cablesusedinthistest(withtheexception ofthecabletrayassembly) consisted ofcablessuppliedbyTUElectricandtakenfromCPSESinventory.

Cablesusedinthesetestswereasfollows:W420CABLEFUNCXXONPowerPowerPowerPowerDESCKPIXON 3C/¹6AWG60Qv.3C/¹10A%G60Qv.l/C750kCMil.600v.3C/¹6A%'G600v.09800.6170.750CBOSS-8ECTIONAL AREA(in)0.75402991.307'.442Thediameters andcross-sectional areaslistedhereinrepresent theLaboratory's averageoftenmeasurements ofeachcabletype.~~A0o0osa~o+

ReportNo.12340-94583,95165-95168/5246 TexasUtilities ElectricPTN-BFJM-96-005 ATTACHHENT IREVISION0PAGE8of15Thermo-Lag 330-1Ma~taisThermo-Lag materials wereprocuredfromThermalScience,Inc.(TSI),St.Louis,MO.TheThermo-Lag'aterials wereextracted fromCPSESstockandwererepresentative ofmaterials installed intheplant.EachonehourratedThermo-Lag 330-1V-RibbedPanelis1/2in.thick(normal)x48in.widex78in.long,withstressskinmonolithcaQyadheredtothepanelononeface.Eachpanelwasreceivedwith350Topcoatfactoryapplied.Each330-1Pre-Shaped ConduitSectionis36in.long.Twothicknesses ofconduitsectionmaterials wereused,V2in.thick(nominal) and1/4in.thick(nominal)

"overlay"

sections, bothwithstressskinmonolithically adheredtothesurfaceinstalled facingtheprotected conduit.The330-1conduitmaterials werealsoreceivedwith350Topcoatfactoryapplied.Othermaterials suppliedbyTSIwere330-1Trowel(bulk)GradeSubliming Compound(usedtopre-caulk alljoints'andseamsonthecabletrayandconduitassemblies),

330-660Flexi-Blanket Materialusedtowrapthecableairdropassemblies, 330-660Trowel(bulk)GradeMaterial(usedtopre-caulk allseamsonthecableairdropassemblies),

330-69StressSkinMaterial(usedtoreinforce jointsonthecabletrayassembly) and350Topcoat(twopartwater-based mixture).

AllThermo-Lag materials weremeasured, sawcutandinstalled ontotherespective testassemblybyPeakSealscrudepersonnel usingapprovedCPSESdrawings, procedures andspecifications.

Installations wereinspected byGPSES-ceitified qualitycontrolinspectors.

OtherMateriaLs Othercommercial gradeproductsusedwere:1/2in.widex0.020in.thick,type304stainless steelrolled-edge bandingstrapswithwingseals;16to18GAstirlesssteeltiewire;and,0.010in.s'tainless steelsheetmetal.SchemeSAC-1Theassemblyconsisted ofa3/4in.conduitthroughwhichwaspulledasinglethreeconductor cable(W-026,3C/410AWG,600V).Thetotalcab1elengthusedforthistestitemwas60ft.Thethreeseparateconductors withinthecablewereconnected intoasingleseriescircuit.Thecurrentsourcewasthenconnected tothetwofreecableends.Twoconduitswerepreparedfortesting,onecladandonebare-forbaselinetesting.

ReportNo.~94583,95165-9516845246 TexasUtilities ElectricPTN-BFJH-96-005 ATTACHMENT 1REVISION0PAGE9of15Scheme¹AC4Theassemblyconsisted ofa2in.conduitthroughwnichvraspulledasinglethreeconductor cable(W-020,3C/¹6AWG,600V).Thetotalcablelengthusedforthistestitemwas60ft.Thethreeseparateconductors withinthecablevrereconnected intoasingleseriescircuit.Thecurrentsourcewasthenconnected tothetvrofreecableends.Twoconduitswerepreparedrortesting,oneciadandonebare-forbase1iaetesting.Scheme¹AC-5Theassemblyconsisted ofa5in.conduitthroughvrhichwaspulledfourseparatesingleconductor cables(W-008,1/C750kCMil,600V).Thetotalcableleagthusedforthistestitemwas88ft.Thefourseparateconductors wereconnected intoasingleseriescircuit.Thecurrentsourcevrasthenconnected tothetwofreecableends.Tvrocoaduitswerepreparedfortesting,onecladandonebare-forbaselinetesting.Scheme¹AA1-1Theassemblyconsisted ofasinglethreeconductor cable(W-020,3C/¹6AWG,600V)representing anairdropassembly.

Thetotalcablelengthusedforthistestitemvras60ft.Thethreeseparateconductors withinthecablewereconnected iatoasingleseriescircuit.Thecurrentsourcevrasthenconnected tothetwofreecableends.Thecablewascladandallovredtocure.Thematerialwasthenremovedtoperformthebaselinetesting.Theassemblyconsisted ofthreeseparatesiagleconductor cables(W-008,1/C750kCMil,600V)representing anairdropassembly.

Thetotalcablelengthusedforthistestitemwas88ft.Thethreeseparatecoaductors vrereconnected intoasingleseriescircuit.Thecurrentsourcewasthenconnected tothetvrofreecableeads.Thecablevrascladaadallowedtocure.Thematerialvrasthenremovedtoperformthebaselinetesting.SchemeOAT-1Theassemblyconsisted ofa24in.wider4in.deepcabletrayassemblyintowhichwaslaid126passesofsinglethreecoaductor cable(3C/¹6AWG,TCXHHWCDRS,600Volt).Thetotalcablelengthusedforthistestitemvras1720KThethreeseparateconductors'withia thecablewereconnected intoasingleseriescircuitandthecuzrentsourcewasthenconnected tothetvrofreecableeads.The~~ADo0rORA<O+

ReportNo.12340-94583,95165-951685246 TexasUtilities ElectricPTN-BFJH-96-005 ATTACHHENT 1REVISION0PAGE10of15cabletrayassemblyvrascladandallowedtocure.Thematerialwasthenremovedtoperformthebaselinetesting.Theinternalcross-sectional areasfortheconduitsareasfollows:CONDUITSIZE(INCEST)ACTUALCONDUITI33.(INCHES)0.8242.0675.047CROSSBETIONALAIUM(in2)0.5333.35620.006Theusablecross-sectional areaofthecabletraywas(3in.deepr24in.wide)72squareinches.Thetablebelowshowsthecabletypesusedineachtestarticle,thenumberofeachcableinstalled, thetotalcross-sectional areaofeachcabletypeandthepercentofthetotalavailable areatakenupbycableineachtestarticle.3/4in.CONDUITCABLETYPEW26CEK)S&SECXXONAL ALUM(in2)0299I2in.CONDUIT%OFTOTALAEU<M56.10W%20CBOSS.SECTIONAL ABER(in2)0.7545in.CONDUIT%OFTOTALAIRE22.47CA'BL'EW-008CBXkS-NUMBERSECTXONAL PBESENI,'BEA (in>)5.228%OFTOTALARE&26.13~GADOr+0osA~o~

Report:No.12340-94583,95165-95168/5246 TexasUtilities ElectricPTN-BFJM-96-005 ATTACHMENT 1REVISION0PAGE11of1524IN.CABLETRAY3C/¹6CROSS-SECTIONAL AREA(in2)9oOFTOTALAEU~M77.31TEEZUYCOCOUPLE PLACEZHKKT 24gauge,TypeT,Copper-Constantan electrically weldedthermocouples (SpecialLimitsofError:0.5'C,purchased withlottraceability andcalibration certifications) wereattachedinnineplaceswithineachconduitorairdropassembly, byslicingthroughtheouterjacketofthecable(downtobareconductor) andplacingthethermojunction indirectcontactwiththetopsurfaceofthecableconductor andcoveringtheslitwithadoublewrapofglassQberreinforced electrical tap'e(GlassClothElectrical Tape,Class"B"Insulation, 1/2in.wide,3MCorporation, ItemNo.27)foraminimumdistanceof3-1/2inches.Thirty-nine 24gauge,TypeK,Chromel-Alumel electrically weldedthermocouples (SpecialLimitsofError:21.1'C,purchased withlottraceability) weresiaMulysecuredtothecableswithinthecabletrayassembly.

Arepresentative sampleofthethermocouple wireusedinthecabletraytestarticlewascalibrated aRerthetestprocedure.

Onethermocouple waslocatedoneachofthethreeconductors ineachsystexn(exceptthecabletrayand5in.conduithavingfourconductors) atthemid-point oftheassembly, andatbothendsoftheassembly(36in.lefhandrightofmid-point).

The5in.conduithavingfourconductors wassimilarly instrumented,.

however,thefourthconductor hadnothermocouples installed.

Thecabletrayassemblywasinstrumented withatotalofthirty-nine thermocouples (thirteen locatedatthemid-point ofthecabletray,thirteenlocated36in.totheleftand36in.to,therightofmid-point) locatedwithinthesecondandthirdlayerofcables.THERMhLAG INSTALLATION HIGHLIGHTS Thermo-Lag materials wereinstalled inaccordance withtheinstructions contained intheCPSESSiteProcedures referenced inTestPlan,Rev.4.Shortabstracts oftheinstallation areincludedhereintoclarifyspecificdetails.Thermo-Lag 330-XPre-Shaped ConduMSections(Xf2in.nom.thicknear)

Thismaterialwasusedtoconstruct the3/4in.,2in.and5in.diameterracewaydesignprotective envelopes.

oA+00 0

ReportNo.12340-94583,95165-95168+5246 TexasUtilities ElectricPTN-BFJM-96-005 ATTACHHEN7 1REYISION0PAGE12of15Thermo-Lag+

330-1Pre-Shaped ConduitSections(I/4in.nom.thickness)

Thismaterialwasusedasanoverlayonthe3/4in.and2in.diameterracewaydesignprotective envelopes.

Thermo-Lag+

330-1U-ribbedPanels(I)2in,nom.thickness)

Thismaterialwasusedtoconstruct thecabletrayprotective envelope.

Thermo-Leg/'30-1 Subliming TrowelGradeMaterialThismaterialwasusedtopre-caulk alljoints,seamsandupgradedareasbetweenpre-shaped sections.

Thermo-L,ag 33&660E7exi-BLm~

Thismaterialwasusedtoconstruct thecableairdropprotective envelopes.

Thermo-Lag 33~Sublimb~'.Pnuael GradeMaterialThismaterialwasusedtopre-caulk alljointsandseamsbetween330-660Flexi-Blanketmaterialandalljointsof330-66-Flexi-Blanket.

Application MethodsEachrigidconduitassemblywascladwithThermo-Lag 330-1V2in.(nominal) thickPre-Shaped ConduitSectionMaterial.

Alljointsandseamswerepre-caulkedwith330-1TrowelGradeMaterial.

Thesectionsinstalled onthe5in.diameterconduitweresecuredusingstainless steelbandingmaterial.

Thesectionsinstalled onthe3/4in.andthe2in.diameterconduitsweresecuredusingstainless steeltiewire.ARerbeingcladwith1/2in.thick330-1Pre-Shaped ConduitSections, V4in.thick(nominal)

Pre-Shaped ConduitSection("overlay")Materialwasinstalled onthe3/4in.andthe2in.diameterconduits.

Alljointsandseamswerepre-cauiked with330-1TrowelGradeMaterialandthensecuredusingstainless steelbanding.Finally,Thermo-Lag 350Topcoatwasappliedoverareaswherethe330-1TrowelGradeMaterialhadbeenappliedfollowing a72hour(mixumumcuretime).TheentirecabletraysystemwascladwithThermo-Lag 330-1V2in.(nominal)

V-RibbedPanelMaterial.

Topreventsaggingofthetoppanels,thecabletraywaspre-banded usingstainless steelbanding.Aljointsandseamsoftheprotective envelopewerepre-caulked with330-1TrowelGradeMaterialandsecuredwithstainless steelbandsspacedat12in,intervals.

~GADo0C~eo~a~o+

ReportNo.12340-94583,95165-95168,95246 TexasUtilities ElectricPTN-BFJM-96-005 ATTACHMENT 1REVISION0PAGE13of15Duringconstruction ofthecabletrayprotective

envelope, severalareasoftheenvelopewerereinforced vrithcombinations ofstainless steelwire,Thermo-LaP 330-1TrowelGradeMaterialandThermo-Lago 330-69StressSkinvrhichwassecuredwithstaples.Theareasreinforced includedbuttjointsbetvreenpanelsonthebottomsurfaceoftheenvelopeandthelongitudinal seamswherethetopandbottompanelsoverlappanelpiecesinstalled atthetraysiderails.Thebuttjointsbetvreenpanelsonthebottomsurfacewere"stitched" withstainless steeltiewireson5in.centers.Athinlayerof330-1TrowelGradeMaterial(approximately 3/16in.thick)wasaextappliedextending 5in.oneachsideofthebuttjoiats.Stressskinwascutandwrappedcircumferentially aroundtheenvelopetooverlapthebuttjointsby5ia.oaeachside.Thestressshinwasworkedintothetrowelgradelayerandsecurediaplacewithstaplesandstainless steeltiewire.Askimcoatof330-1TrowelGradeMaterial, approximately V16in.thick,wasthenappliedoverthestressskiaandthetievrires.Toreinforce thelongitudinal seamsatthesiderails,a3/16in.thicklayerof330-1TrovrelGradeMaterialvrasappliedoverthepanelsinstalled atthesiderailsandextending 5ia.tovrardsthemiddleofthetrayandboththetopandbottomsurfaces.

Stressskinvrascutandformedintoasquared,U-shapedconfiguration whichvrasplacedoverthesidesandontothetopandbottomsurfacesfora5in.distance.

Thestressskinvrasworkedintothetrovrelgradelayerandsecuredinplacewithstaplesandstainless steeltiewire.Askimcoatof330-1TrowelGradeMaterial, approximately V16in.thick,wasthenappliedoverthestressskinandtiewires.Finally,Thermo-Lag 350Topcoatwasappliedoverallareaswhere330-1TrowelGradeMaterialhadbeenappliedfollovring a72hour(minimum) curetime.Eachcableairdropassemblywascladwiththreecomplete-wraps ofThermo-Lag330-660Flexi-Blanket Material.

Anoverlapof2ia.-4in.wasmaintained foreachwrap.Theoverlapareaofeachwrapwaspre-caulked withThermo-Lag330-660TrowelGradeMaterialandsecuredwithstainless steelbandsspacedon6in.centers.Theoverlapareasvrerepositioned 180'romoneanother.Thecompleted testspecimens wereplacedintheLaboratory's testenclosure andthethermocouples connected tothedataacquisition systemandtheiroutputsverified; Thetestsvrereconducted fromMarch2,1993,toMarch14,1998,byHerbertWStansberry II,projectmanager,withthefollovring personspreseatatvarioustimes:~oAOo0rCy~oeA~o~

0 ReportNo.~~'4M3,961%-96168$

6246TexasUtilities ElectricPTN-BFJH-96-005 ATTACHHENT 1REVISION0PAGE14of15RenaldoJeansDickWilsonBillRodgersJohnWhiteChesterPruettMelvinQuickKentBrownDeggargN.PriestKerryHitchcock ConnieHumphryLaudencio CastanonUSNRCUSNRCUSNRCTUElectricTUElectric(Fluor-Daniel Corporation)

TUElectric(Stone&,WebsterEngineering)

TVAOmegaPointLaboratories, Inc.OmegaPointIaboratories, Inc.OmegaPointLaboratories, Inc.OmegaPointLaboratories, Inc.TESTITEMEQU.VOLTAGE(VOLTS)EQU.EQU.CURRENTTEMP(AMPS)('C)ROOMCORRECTED TEMPCURRENTPERCENT('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.12340-94583,95165-95168g5246 TexasUtilities ElectricPTN-BFJH-96-005 ATTACHHENT REVISION0PAGE15og15TESTITEMEQU.VOLTAGE(VOLTS)EQU.EQU.ROOMCURRENTTEMPTEMP(AMPS)('C)('C)CORRECTED CURRENT(AMPS)PERCENTDERATING750kCMilinAirDrop(ba"e)750kCMilinAirDrop(clad)5213.6289.540290.039.931.84C750kCMilin5Conduit(base)4/C750kCMilin5Conduit(clad)2.192.0889.440290.0402510,10.7Theequilibrium currentvaluesaresingle-point measurements performed afterthesystemwasatequilibrium andthechangeincurrentwasverylow.TheEqu.Temp(equilibrium conductor temperature atthehottestlocation),

andtheRoomTemparereportedas60minuteaveragevalues.TheCorrected Currentvaluesarethosecalculated inaccordance withP848/D12IEEEStandardProcedure fortheDetermination oftheAmpacityDeratingofFireProtected Cables~,whichcorrectsthesecurrentvaluestoaroomtemperature of40'Candaconductor.

temperature of90'C.whereITcTaI~Tc'a'Tc'-

Ta')x(a+Tc)(Tc-Ta)x(u+Tc')testcurrentatequilibrium, ampereshottestconductor temperature atcenteratequilibrium,

'Cmeasuredenclosure ambienttemperature,

'Cnormalized current,amperesnormalized conductor temperature

=90'Cnormalized ambienttemperature

=40'C234.5forcopper.~~APo0 Table2-Dlmenslons andweightsofrigidsteelconduitCustomary inch-pound unitsMetricunitsNominalortradesizeofconduitInNominalinsideOutsidediameterdiameterlnlnNominalwallthickness inLengthwithoutcouplingftandinMinimumweightoftenunitlengthswithcoupllngs attachedIbNominalInsidediametermmOutsidediameterNominalLengthwallwithoutthickness couplingmmmetersMinimumweightoftenunitlengthswithcoupllngs

'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-Applicable toie~..ces:Length:k1/0in(k8.35mm)(withoutcoupling)

OutsideI',ameter fortra.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 EBASCOSERVICESINCORPORATED PTN-BFJH-96-005 ATTACHHENT 3REVISION0PAGEIof3~PBy45CHKD.BYCLIENTPROJECTSUBJECTDATE42V-VODATEREVISION1UAIuVMIiViiSHEET~OF~OFSNO.~DEPTNO.~4Conductor Single3/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.BXCLIENTPROJECTSUBJECTEBASCOSERVICESINCORPORATED DATE>2fFo-DATE~6KqI>REVISION1PTN-BFJH-96-005

)gATTACHHENT 3REVISION0PAGE2of3OFSNO.Q~~DEPTNO.~Conductor AC/DCResistance RatioACResistance at90CSingleConductor Hakim~N12AWGNloAWGN8AWGN6AWGN4AWGN2AWGNl/0AWGN2loAWGNOIOAWGN250kcmilN350kcmil'N500kcmilN750kcmilN1000kcmi1 N1250kcmi1 1.01.01.01.0'.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=0.0283 0.0185x1.039=0.0192 0.0139x1.067~0.0148 0.0111x1.102=0.0122 2.15x1.0=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-96-005 ATTACHMENT 3RfVISION0PAGE3ofEC-096EBAS<<SERVICES INCORPORATED DATE~M-Wu DATE~62/qOREVISION1S8FET4OF~OFSNO.Q~~DEPTNo.~0(SeeTable7.2.2.2aforac/dcresistance ratios)Conductor ACResistance at90C3/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.138 1.001=0.110 1.004=0.0686 1.005~0.0587 1.009=0.0420 1.018=0.0294 2.236x1.404x0.883x0.555x0.350x0.220x0.138x0.11'0x0.0683x0.0584x0.0416x0.0289x1.0=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'30-1 FIREBARRIERMATERIAl.

PROPERTIES PTN-BFJH-96-005 ATTACHHENT 4REVISION0PAGEIof2Thisbrochurepresentsthemajorproperties ofTHFRMO-LAG ininterestfornucleargenerating plantapplication.

Foradditional datanot'resented.

consultTSI.RADIATION RESISTANCE

-2.12x1Pradstotal40yearintegrated dose-Afterirradiation nodegradation infireresistive properties FIREPROTECTIVE FEATURES-ASTME-84TestingforTHERMO-LAG 330-1-FlameSpreadRating5-FuelContributed Rating-0..-SmokeDeveloped Rating-15-ASTME-84TestingforTHERMO-LAG Primer-FlameSpreadRating0-FuelContributed Rating-0-SmokeDeveloped Rating-5-ASTME-84Testingfor.THERMO-LAG 350-2PTopcoat-FlameSpreadRating5-FuelContributed Rating-0-SmokeDeveloped Rating-0-One-hourand.htee-hour fireendurance testinaccordance withASTME-119,and.ANI/MAERP test"ANI/MAERP StandardFireEndurance TestMethodtoQualifyaProtective EnvelopeforClass1EElectrical Circuits".

-1/2InchTHERMO-LAG ratedonehour-1InchTHERMO-LAG ratedthreehours~.-,ASTME-119hosestreamtestonelectrical traysandconduitforoneandthreehourratedTHERMO-LAG (2-1/2minutehosestream~~application)

-ASTME-119firetestsforstructural steel,hangerstodetermine requiredTHERMO-LAG thickness foroneandthreenourratingAMPACITYDERATINGAmpacityderatingtestsperformed inaccordance withIPCEAPublication NumberP-54-440(SecondEdition)(todetermine cablebaseampacity) andNEMAPublication No.WC51-1975.

Thefollowing resultswereobtained(for40percentloading):

One-HourTHERMO-LAG Barriers-Tray-12.5percentderating-Conduit6.8percentderatingThree-Hour THERMO-LAG Barriers-Tray17percentderating~--Conduit-10.9percentderatingMECHANICAL (PHYSICAL)

PROPORTIES

-Densitywet-10.5Ibs/gallon

-Densitydry-75~3Ibs/tP-DryWeight1/2inchthickness (one-hour rated)~3.25Ib/ftz-DryWeight1inchthickness (three-hour rated)=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-LAG hasbeenqualified bystaticanalysisforaveryconservative loading.Avalueof7.5ghorizontal, and6.0gverticalacceleration.

combinedbiaxially wasusedfortheanalysis.

Thesevaluesboundmostnucleargenerating plantseismiccriteria.

~'torageConaitions t'bove32'Fandbelow100'F'sbestoes freeNon-toxic

-Highhumidi;y-Industrial atrnospnere (COr-SO>mix)-SaltsprayCHEMICALRESISTANCE OFTHERMO-LAG 330-1-Water-Sulfuricacid-Hydrochloric acid-Sodiumhydroxide

-Sodiumchloride-Aceticacid-Kerosene-Anhydrous Ammonia-LNG-LPG-Methanol1010105percentsolutionpercentsolutionpercentsolutionpercentsolution-InteriorEnvironmental Conditions

-Highhumidity-COz-SO>atmosphere mix-ChlorineResults:Servicelifeofatleast40yearsPTN-BFJM-96-005 ATTACHMENT 4REVISION0PAGE2of2CHEMICALRESISTANCE OFTHERMO-LAG 350-2PTOPCOAT-FrequentContact-Alkalisolutions

-Saltsolutions

-Alcohols-Aliphatic hydrocarbons

-Aromatichydrocarbons

-Occasional Contact-Freshwater-Wastewater-Mineraloils-Vegetable oils-Organicacids-Mineralacids-Oxidizing agents-Ketones.Si...,,260BrsnnonAveSc.Louis,Mo.63139~t314)3528422sTelex:442384~Telex:20-9901 PTN-BFJH-96-005 ATTACHHENT 1REVISION0PAGE1of15AMPACITYDEBATINGOFFIREPROTECT'ED CABLESPmjectNo.12340-94583,95165-95168/5246 ELECTRICAL TESTTODETERMINE THEAMPACITYDERATINGOFAPROTECTIVE ENVELOPEFORCLASS1EELECTRICAL CIRCUITSMarch19,1993PreparedFor.TUElectricCOAGQlCHE PEAKSTEAMELECTRICSTATIONP.O.Box1002GlenRose,Texas76043-1002

~gA~o0*E..'REGE)YED DGT20)s93oeATOO Repo*Nc12340-94583,95165-95168/5246 TexasUtilities "Electric PTN-BFJH-96-005 ATTACHNEMT IREVISIOH0PAGE2of15Threeconduitassemblies, twoairdropassemblies, andonecabletrayasseinbly, cladwithThermo-Lag materials asdescribed herein,wereevaluated inaccordance withtheTexasUtilities ElectricTESTPLAN,Rev.4,yieldingthefollowing ampacityderatingvalues:TESTITEMPERCENTDERATING3C/¹10in3/4"Conduit3C/¹6in2"Conduit3C/¹6inAirDro24"CableTra750kCMilinAirDro4/C750kCMilin5"Conduit)9,346.6?3L631.810.7Thedetails,procedures andobservations reportedhereinarecorrectandtruewithinthehmitsofsoundengineering practice.

Allspecimens andtestsampleassemblies wereproduced, installed andtestedunderthesurveillance ofeitherTexasUtilities'r thetestinglaboratory's QualityAssurance Program.Thisreportdescribes theana1ysisofdistinctassemb1ies andincludesdescriptions ofthetestprocedure

followed, theassemblies tested,andallresultsobtained.

AlltestdataareonBIeandremainavailable forreviewbyauthorized persons.HerbertW.Stansberxy IIProjectManagerDateConstance A.HumphreyManager,QADept.Deggary¹PriestPresident Date~>4"o0oea~o+

000 ReportNo.~94583,95165-95168@&?A6 TexasUtilities ElectricPTN-BFJN-96-005 ATTACHMENT REVISIONPAGE3o~I~TABLEOFCONTENTSINTRODUCTION

'HMTPROCEDURE TestEnclosure ThermocouplesDataAcquisition systemCurrentControlSystem:FinalCurrentMeasurements TESTASSEMBLYTestItems(General)

TestItemsElectrical CablesThermocouple Placement Thermo-Lag Installation Highlights

'H<DTRESULTSAPPENDICES AppendixA:CONSTRUCTION DRAWINGSAppendixB:TESTPLANAppendixC:THERMOCOUPLE LOCATIONS AppendixD:TABULARTESTDATAAppendixE:QUALITYASSUEVLÃCE AppendixF:PHOTOGRAPHS AppendixG:THERMO-LAG INSTALLATION LastPageofDocument11122234457881Di3382532382781DETAILS8028%~AOO04y~eeAt<

ReportNo.12340-94583,95165-95168/5246 TexasUtilities ElectricPT¹-8FJH-96-005 ATTACHHENT 1REVISIO¹0PAGE4of15AFireProtective Envelopeprotectselectrical components fromtheeG'ectsoffire.Indoingso,itwillreducetheinQowofenergyintothesystemandmaintaintheinternaltemperature belowmaximumlimits.Theselimitswillensurethatthecablesystemsremainfunctional duringafire,andallowoperators tomaintaincontrolofsystemsrequiredforfiresafeshutdown..

TheadditionofaFireProtective Envelopeonacablesystemwillnotonlyprotectthecontained cablefromelevatedtemperatures associated withafire,butwillimpedetheheatdissipation associated withcableoperation.

Theevaluation described hereinwillyieldanaccurateandrealistic valuefortheampacityderatingofcableswhenaFireProtective Envelopeis'instaQed onthecablesystem.Thisentiretestprogramwasperformed inaccordance withTexasUtilities ElectricTESTPLAN,Rev.4,whichhasbeenincludedinAppendixB.Thespecificdetailsofthisprojectwillbefoundinthatdocument.

Theampacitytestenclosure wasconstructed ofsteelstudwallsandceilingwithamuiimumof1in.ofpolystyrene insulation liningtheinterioroftheroom.TheoveraQdimensions ofthetestenclosure were20ft.x18R.x8R.Anentrydoorwasprovidedinonewallandanobservation windowwasplacedinanadjacentwaQ.ThewaQwiththeobservation windowwasmadetoberemovable tofacilitate easierlocationoftestarticles.

Four1.5RWheatersweredisposedabouttheroomtoregulateambientconditions.

Twooftheheaterswerevariablefromoutsideofthetestenclosure viaconnection tostandardlaboratory variabletransformers.

Locateddirectlybehindeachheaterwasa24in.boxfantogentlystirtheairandmoreevenlydistribute theheat.Atotalofninethermocouples weresuspended fromtheceilingandpositioned inthehorizontal planeofthetestitems,12in.awayfromvarioustestitemstomonitortheambientroomtemperatures.

Twostanchions wereerectedtosupportthetestarticles.

Eachstanchion consisted ofalengthof2in.squaresteeltubingsupported atseveralpointsbyanA-frameleg.Alengthof2in.x4in.woodstudwasafBxedto,thetopsurfaceofeachstanchion.

Inthecaseofallbutthe5in.conduit,thetestarticlewiththefireprotective systeminstalled wastestedfirst.Oncethesystemhadattainedequilibrium andallfinalmeasurements hadbeentaken,thefireprotective barrierwasremovedfromthesystem(inthecaseoftheairdropassemblies andthecabletray~oAAor+0~4Cgo~a~o+

ReportNo.12340-94583,95165-95168@5246 TexasUtilities ElectricPTN-BFJH-96-005 ATTACHMENT IREVISION0PAGE5of15assembly) ortheinstrumented cablewasremovedfromthecladconduitandinsertedintoasimilarly constructed, bareconduit.TEGWKOCOUPUH Temperatures onthecableconductors withintheconduitandairdropassemblies weremeasuredwithTypeT,24gauge,Copper-Constantan electrically weldedthermocouples formedfromCopperandConstantan wiresof"speciallimitsoferror(M.5'C),"

andcoveredwithTeQonFEYinsulation.

Temperatures onthecableconductors withinthecabletrayassemblyweremeasuredwithTypeK,24ga'uge,Chromel-Alumel electrically weldedthermocouples formedfromChromelandAlumelwiresof"speciallimitsoferror(%1.1'C),"

andcoveredwithbraidedfiberglass insulation.

Allthermocouple wirewascalibrated to&.5C.DATAACQUISXHON SYSTEMTheoutputs-of thetestarticlethermocouples androomcontrolthermocouples weremonitored byadataacquisition systemconsisting ofaJohnFlukeMfg.Co.ModelHELIOSI2289AComputerFrontEnd,andanAppleComputerCo.Macintosh Classicmicrocomputer.

TheComputerFrontEndwasconnected totheRS422SerialInterface PortoftheMacintosh.

Thecomputerwasprogrammed inMicrosoRBASICtocommandtheHELIOSunittosamplethedatainputlines,receiveandconvertdataintoadigitalformat,andtomanipulate thedatafordisplayonscreen,thehardcopyprintout, andsavingtoharddisk.Thecomputerprogramdetermined, anddisplayed, theaveragetemperatures ateachofthethreepositions oneachtestarticle.Therateofchangeoftemperature fortheaverageofthethexmocouples locatedinthecenterportionofthetestarticlewasthencalculated.

Allindividual datapointsandcalculated valuesweresavedonharddiskatoneminuteintervals.

Arecordofindividual locationtemperatures, zmuamumtemperatures andratesofchangeoftemperatures wasprintedatGveminuteintervals.

Alltestdataispresented inAppendixF:TESTDATA.CORZROLSYBZESXThecurrentQowthroughthetestarticleswasregulated usingprocesscontroltypedevices.Theavailable voltageforanytestcontrolcircuitwas208Vacsinglephase.ASiliconControlled=Rectifier (SCR)device(Ha1marRobiconGroupModelNo.140P-FK2-CL) wasusedtovarythevoltageavailable totheprimarysideofastep-down transformer between0Vacand208Vacinproportion toa4-20mAcontrolinput.Thetestarticlewasconnected tothesecondary sideofthestep-downtransformer.

Aproportional-integral-derivative processcontroller (Honeywell Universal DigitalControQer ModelNo.UDC3002-0-000-1-00-ZQZ) wasresponsible forgenerating the4-20mAsignalfedtotheSCRdevice,basedonavoltagefeedbackloop.Acurrenttransformer (Flex-Core ModelNo.58-151,150:5~~AAgr+0*07OATO ReportNo.12340-94583,95165-95168/5246 TexasUtilities ElectricPTN-BFJH-96-005 ATTACHHENT IREVISION0PAGE6of15or76-102,1000:5ratio;inputamps:output amps)wasfittedtooneleadofthetestarticletomonitorthecurrentflow'hrough theconductor.

Theoutputofthecurrenttransformer wasconnected toacurrenttransducer (Flex-Core ModelNo.CT5-005A) withamAtomVconverter (Flex-Core ModelNo.LRB-10000) toproducea0-10Vdcsignalproportional toa0-150Aor0-1000Acurrentspaninthesampleconductor.

This0-10Vdcsignalisusedasthe"processvariable" inthefeedbacklooptothecontroller.

'Inessence,theabovecircuitry madeupaconstant-curx'ent device,insensitive tolinevoltagechanges.Thecurrentinanygivensystemwasdriventoalevelhighenoughtobringtheconductor to90'Gasquicklyaspossiblebyincreasing the'output signaloftheprocesscontroller viakeypadcommands.

Astheconductor temperature approached 90'C,thecurrentlevelwasreducedandthetestarticlewasgiventimetorespondtocurrentchangesbeforeanotheradjustment wasmadetothe'urrent.Duringthistimeperiod,thecontroller wasturnedto"automatic" controlandthe"processvariablesetpoint"(thevoltageoutputfromthecurrenttransformer thatrepresents thecurrentlevelatwhichthecontroller willmaintainthesystem)wasadjustedtothesamevalueasthedisplayed processvariable(thecontroller variesitsoutputinorderthemaintaintheprocessvariableatthelevelindicated bythesetpoint).Thisprocessofadjusting thecontroller output(andthecontrolvariablesetpoint)andwaitingforthesystemtostabilize (about1/2hourtoabout2hours,depending uponthenatureofthesystem)wascontinued untilthetemperature parameters ofthetestarticlewerewithinthespecified limits.Thecontroller wasallowedtooperatethesystemforaminimumofthreehours.If,attheendofthreehours,thesystemwasstillwithintheboundsofallspecifications, afinalcurrentandvoltagemeasurement weretakenandthesystemwasdeemed.tobeinequilibrium.

Allfinalcurrentmeasurements wereperformed usingammeterssuppliedandcalibrated byTexasUtilities Electric.

Theseammeterusedweremanufactured byJamesBiddleCo.andidentified asBiddleInstruments DigitalClamp-OnRMSVolt-Aauneter, Cat.No.278001(TUElectricIDNo.IC-1029andIC-1030).

Measurements recordedfortestitemscontaining 3C/¹10AWGof3C/¹6AWGcableweretakenwiththeammeterIDNo.IC-1030.Currentmeasurements recordedfortestitemscontaining 750kCMilcableweretakenwiththeammeterIDNo.IC-1029.Calibration documentation forthesedevicescanbefoundinAppendixG:QualityAssurance.

Ops0+

Repo*Na12340-94583,95165-95168/5246 TexasUtilities ElectricPTN-BFJH-96-006 ATTACHHENT IREVISION0PAGE7of15xeEZIXZ2tB(GENEtIALl Theconduitmaterials usedinthetestwereprovidedbyTexasUtilities, andarerepresentative ofthoseinstalled, atCPSES.Cabletraymaterials usedinthistestwerepurchased byOmega'PointLaboratories fromB-LineSystems,Inc.(Cat.No.248P0924144).

Thefollowing tableprovidespertinent dataonthecabletraymaterialused:DIMENSION Siderailthickness Runthickness RunsacinRungdimensions 0.048in.18GA9in.o.c.1-5/8in.wx13/16in.hx3/8in.leCabletraystraightsectionsconsisted ofASTMA446,GRA,pre-galvanized steel,ASTMA525.AHtestitems(withtheexception ofthecabletrayassembly) wereconstructed frommaterials extracted fromTUElectric's ComanchePeakSteamElectricStationstockmaterialstorageareasinaccordance withexistingsiteprocedures.

Electrical cablesusedinthistest(withtheexception ofthecabletrayassembly) consisted ofcablessuppliedbyTUElectricandtakenfromCPSESinventory.

Cablesused,inthesetestswereasfollows:CAIKZTYPE%420W426W408CABLEFUNCTIONPowerPowerPowerPowerDESCMPZIDN 3C/¹6AWG600v.3C/¹10AWG600v.l/C750kCMil.600v.3C/¹6AWG600v.0.6170.750CK538S.SECTIONAL AREA(in?)02991307'.442Thediameters andcross-sectional areaslistedhereinrepresent theLaboratory's averageoftenmeasurements ofeachcabletype.

ReportNL12340-94583,95165-95168/5246 TexasUtilities ElectricPTN-BFJH-96-005 ATTACHHENT IREVISION0PAGE8of15Thermo-Lag 330-1Matexials Thermo-Lag materials wereprocuredfromThermalScience,Inc.(TSI),St.Louis,MO.TheThermo-Lag materials wereextracted fromCPSESstockandwererepresentative ofmaterials installed intheplant.EachonehourratedThermo-Lag 330-17-RibbedPanelis1/2in.thick(nominal) x48in.widex78in.long,withstressskinmoaolithim~Jy adheredtothepandononeface.Hachpanelwasreceivedwith350Topcoatfactoryapplied.Each330-1Pre-Shaped ConduitSectionis36in.long.Twothicknesses ofconduitsectionmaterials wereused,V2in.thick(nomixml) and1/4in.thick(nominal) overlay"sections, bothwithstressskinmonolithically adheredtothesurfaceinstalled facingtheprotected conduit.The330-1conduitmaterials werealsoreceivedwith350Topcoatfactoryapplied.Othermaterials suppliedbyTSIwere330-1Trowel(bulk)GradeSubliming Compound(usedtopre-caulk alljointsandseamsonthecabletrayandconduitassemblies),

330-660Flexi-Blanket Materialusedtowrapthecableairdropassemblies, 330-660Trowel(bulk)GradeMaterial(usedtopre~ulkallseamsonthecableairdropassemblies),

330-69StressSkinMaterial(usedtoreinforce jointsonthecabletrayassembly) and350Topcoat(twopartwater-based mixture).

AllThermo-Lag materials weremeasured, sawcut.andinstalled ontotherespective testassemblybyPeakSealscraSpersonnel usingapprovedCPSESdrawings, procedures andspeci6cations.

InstaQations wereinspected byCPSES-certiGed qualitycontrolinspectors, OtherMaterials Othercommercial gradeproductsusedwere:V2in.vridex0.020in.thick,type304stainless steelrolled-edge bandingstrapswithwingseals;16to18GAstainless steeltiewire;and,0.010in.stainless steelsheetmetal.Scheme¹AC-ITheassemblyconsisted ofa3/4in.conduitthroughwhichwaspulledasinglethreeconductor cable(W-026,3C/¹10AWG,600V).Thetotalcablelengthusedforthistestitemwas60ft.Thethreeseparateconductors withinthecablewereconnected intoasingleseriescircuit.Thecurrentsourcewasthenconnected tothetwofreecableends.Twoconduitswerepreparedfortesting,onecladandonebare-forbaselinetesting.~pa04~L4lrar4+

ReportNo.12340-94583,95165-9516845246 TexasUtilities ElectricPTN-BFJM-96-PP5 ATTACHHENT REVISION0PAGE9ofI5Scheme¹AC4Theassemblyconsisted ofa2in.conduitthroughwhichwaspulledasinglethreeconductor cable(W-020,3C/¹6AWG,600V}.Thetotalcablelengthusedforthistestitemwas60ft.Thethreeseparateconductors withinthecablewereconnected intoasingleseriescircuit.Thecurrentsourcewasthenconnected tothetwofreecableends.Twoconduitswerepreparedfortesting,onecladandonebare-forbaselinetesting.Scheme¹AC-5Theassemblyconsisted ofa5in.conduitthroughwhichwaspulledfourseparatesingleconductor cables(W-008,VC750RCMil,600V}.Thetotalcablelengthusedforthistestitemwas88ft.Thefourseparateconductors wereconnected intoasingleseriescircuit.Thecurrentsourcewasthenconnected tothetwoi'reecableends.Twoconduitswerepreparedfortesting,onecladandonehare-forbaselinetesting.Scheme¹AA1-1Theassemblyconsisted ofasinglethreeconductor cable(W-020,3C/¹6AWG,600V}representing anairdropassembly.

Thetotalcablelengthusedforthistestitemwas60ft.Thethreeseparateconductors withinthecablewereconnected intoasingleseriescircuit.Thecurrentsourcewasthenconnected tothetwokeecableends.Thecablewascladandallowedtocure.Thematerialwasthenremovedtoperformthebaselinetesting.Scheme¹AA4-2Theassemblyconsisted ofthreeseparatesingleconductor cables(W-008,VC750kCMil,600V)representing anairdropassembly.

Thetotalcablelengthusedforthistestitemwas88'A.Thethreeseparateconductors wereconnected intoasingleseriescircuit.Thenumntsourcewasthenconnected tothetwofreecableends.Thecablewascladandallowedtocure.Thematerialwasthenremovedtoperformthebaselinetesting.Scheme¹AT-1Theassemblyconsisted ofa24in.wider4in.deepcabletrayassemblyintowhichwaslaid126passesofsinglethreeconductor cable(3C/¹6AWG,TCXHHWCDRS,600Volt}.Thetotalcablelengthusedforthistestitemwas1720ft.Thethreeseparateconductors withinthecablewereconnected intoasingleseriescircuitandthecurrentsourcewasthenconnected tothetwofreecableends.The ReportNo.12340-94583,95165-9516S$

5246TexasUtilities ElectricPTN-BFJH-96-005

'ATTACHMENT 1REVISION0PAGE10of15cabletrayassembly, wascladandallowedtocure.Thematerialwasthenremovedtoperformthebaselinetesting.Theinternalcross-sectional areasfortheconduitsareasfollows:CONDUITSIZZ(INCH')ACTUALCONDUITCROSSSEGTIONAL LD.(INCHES)AIKA(hP)08245.0470.5333.35620.006Theusablecross-sectional areaofthecabletraywas(3in.deepx24in.wide)72squareinches.Thetablebelowshowsthecabletypesusedineachtestarticle,thenumberofeachcableinstalled, thetotalcross-sectional areaofeachcabletypeandthepercentofthetotalavailable areatakenupbycableineachtestarticle.3/4in.CONDUITW%26CROSS.NUMBHLSECXXONAL PRESEKZAREA(in2)2in.CONDUIT%OFTm'ALA%%A56.10CAXKZTYPEW20CRC)SS-NUMBI<2kSECTIONAL PBESENX'REA (in2)0.7545in.CONDUIT%OFTOTALMu&22.47W408NUMBI<22PIKSEKECROSSSECTIONAL ARFA(hP)%QFTOTALAXu<M26.13a~o ReportNo.12340-94583,95165-95168/5246 TexasUtilities ElectricPTN-BFJM-96-005 ATTACHMENT 1REVISION0PAGE11of1524IN.CABLETRAYCABLETYPE3C/eeGROS&NUMBERSECTIONAL PK~~ÃZAREA(ixl2)9oOFTOTALAMUk77.31TEG<2LMOCOUPLE PLACEIHKÃZ 24gauge,TypeT,Copper-Constantan electrically weldedthermocouples (SpecialLimitsofError:0.5C,purchased withlottraceability andcalibration certifications) wereattachedinnineplaceswithineachconduitorairdropassembly, byslicingthroughtheouterjacketofthecable(downtobareconductor) andplacingthethermojunction indirectcontactwiththetopsurfaceofthecableconductor andcoveringtheslitwithadoublewrapofglassfiberreinforced electrical tape(GlassClothElectrical Tape,Class"B"Insulation, V2in.wide,3MCorporation, ItemNo.27)foramixdmumdistanceof3-1/2inches.Thirty-nine 24gauge,TypeK,Chromel-Alumel electrically weldedthermocouples (SpecialLimitsofError:kl.lC,purchased withlottraceability) weresimilarly securedtothecableswithinthecabletrayassembly.

Arepresentative sampleofthethermocouple wireusedinthecabletraytestarticlewascalibrated afterthetestprocedure.

Onethermocouple waslocatedoneachofthethreeconductors ineachsystem(exceptthecabletrayand5in.conduithavingfourconductors) atthemid-point oftheassembly, andatbothendsoftheassembly(36in.leRandrightofmid-point).

The5in.conduithavingfourconductors wassimilarly instrumented, however,thefourthconductor hadnothermocouples installed.

Thecabletrayassemblywasinstrumented withatotalofthirty-nine thermocouples (thirteen locatedatthemid-point ofthecabletray,thirteenlocated36in.totheldtand36in.totherightofmid-point) locatedwithinthesecondandthirdlayerofcables.TEEZMO-LAG INSTALLATION HIGHLIGHTS Thermo-Lag materials wereinstalled inaccordance withtheinstructions contained intheCPSESSiteProcedures referenced inTestPlan,Rev.4.Shortabstracts oftheinstaOation areincludedhereintoclarifyspeci6cdetails.ConduitSections(LfPin.nonLthickness)

Thismaterialwasusedtoconstruct the3/4in.,2in.and5in.diameterraceway~~~designprotective envelopes.

yA>00*

Lf~,'

ReportNo.12340-94583,95165-95168,95246 TexasUtilities ElectricPTN-BFJN-96 pp5ATTACHHENT REVISIONpPAGE12ofl5Thermo-Lag/'30-1 Pre&haped ConduitSectionsfl/4in.nom.thickness)

Thismaterialwasusedasanoverlayonthe3/4in.and2in.diameterracewaydesignprotective envelopes.

Thermo-Lag 330-1V-ribbedPanels(I/2in,nom.thickness)

Thismaterialwasusedtoconstruct thecabletrayprotective envelope.

Thermo-Lag 88MSublinung ZmuelGradeMaterialThismaterialwasusedtopre-caulk alljoints,seamsandupgradedareasbetweenpre-shaped sections.

Thermo-Lag83&869Ehmi-Blanket Thismaterialwasusedtoconstruct thecableairdropprotective envelopes.

Thermo-Lag 8804NSubHnur~TmceelGradeMaterialThismaterialwasusedtopr~ulkalljointsandseamsbetween330-660Flexi-Blanketmaterialandalljointsof330-66-Flexi-Blanket.

Application MethodsEachrigidconduitassemblywascladwithThermo-Lag 330-1V2in.(nominal) thickPre-Shaped ConduitSectionMaterial.

Alljointsandseamswerepre-caulkedwith330-1TrowelGradeMaterial.

Thesectionsinstalled onthe5in.diameterconduitweresecuredusingstainless steelbandingmaterial.

Thesectionsinstalled onthe3/4in.andthe2in.diameterconduitsweresecuredusingstainless steeltiewire.AGEbeingcladwithV2in.thick330-1P~hapedConduitSections, 1/4in.thick(nominal)

Pre-Shaped ConduitSection("overlay")MaterialwasinstaQedonthe3/4in.andthe2in.diameterconduits.

Alljointsandseamswerepre-caulked with330-1TrowelGradeMaterialandthensecuredusingstainless steelbanding.Finally,Thermo-Lag 350Topcoatwasappliedoverareaswherethe330-1TrowelGradeMaterialhadbeenappliedfollowing a72hour(annimumcuretime).TheentirecabletraysystemwascladwithThermo-Lag 330-11/2in.(nominal)

V-RibbedPanelMaterial.

Topreventsaggingofthetoppanels,thecabletraywaspre-banded usingstainless steelbanding.Aljointsandseamsoftheprotective envelopewerepre-caulked with330-1TrowelGradeMaterialandsecuredwithstainless steelbandsspacedat12in,intervals.

a~o45oea~o~

ReportNo.12340-94583,95165-95168,95246 TexasUtilities ElectricPTN-BFJM-96-005 ATTACHMENT 1REVISION0PAGE13of15Duringconstruction ofthecabletrayprotective

envelope, severalareasoftheenvelopevrerereinforced withcombinations ofstainless steelwire,Thermo-Lag 330-1TrowelGradeMaterialandThermo-Lag 330-69StressSkinwhichvrassecuredvrithstaples.Theareasreinforced includedbuttjointsbetweenpanelsonthebottomsurfaceoftheenvelopeandthelongitudinal seamswherethetopandbottompanelsoverlappanelpiecesinstalled atthetraysiderails.Thebuttjointsbetweenpanelsonthebottomsurfacevrere"stitched" withstainless steeltiewireson5in.centers.Athinlayerof330-1TrowelGradeMaterial(approximately 3/16in.thick)wasnextappliedextending 5in.oneachsideofthebuttjoints.Stressshinvrascutandvrrappedcircumferentially aroundtheenvelopetooverlapthebuttjointsby5in.oneachside.Thestressskinwasworkedintothetrowelgradelayerandsecuredinplacewithstaplesandstainless steeltiewire.Ashimcoatof330-1TrowelGradeMaterial, approximately V16in.thick,vrasthenappliedoverthestressskinandthetievrires.Toreinforce thelongitudinal seamsatthesiderails,a3/16in.thicklayerof330-1TrowelGradeMaterialvrasappliedoverthepanelsinstaQedatthesiderailsandextending 5in.tovrardsthemiddleofthetrayandboththetopandbottomsurfaces.

Stressskinwascutandformedintoasquared,U-shapedcon6guration whichwasplacedoverthesidesandontothetopandbottomsurfacesfora5in.distance.

Thestressshinwasworkedintothetrowelgradelayerandsecuredinplacewithstaplesandstainless steeltievrire.Ashimcoatof330-1TrowelGradeMaterial, approximately V16in.thick,vrasthenappliedoverthestressskinandtievrires.Finally,Thermo-Lag 350Topcoatwasappliedoverallareasvrhere330-1TrovrelGradeMaterialhadbeenappliedfoQovring a72hour(minimum) curetime.Eachcableairdropassemblyvrascladvriththreecomplete'-wraps ofThermo-Lag330-660Flexi-Blanket Material.

Anoverlapof2in.-4in.wasmaintained foreachwrap.Theoverlapareaofeachwrapvraspre-caulked withThermo-Lag330460TrowelGradeMaterialandsecuredwithstainless steelbandsspacedon6in.centers.Theoverlapareasvrerepositioned 180'omoneanother.Thecompleted testspecimens vrereplacedintheLaboratory's testenclosure andthethermocouples connected tothedataacquisition systemandtheiroutputsveriGed.Thetestsvrereconducted fromMarch2,1993,toMarch14,1993,byHerbertW.Stansberry II,projectmanager,vriththefoQovring personspresentatvarioustimes:~oAAo.0*4eato ReportNo.12340-94583,95165-95168/5246 TexasUtilities ElectricPTN-BFJM-96-005 ATTACHMENT 1REVISION0PAGE14of15RenaldoJeakinsDickWilsonBillRodgersJohnWhiteChesterPruettMelvinQuickKentBromaDeggary¹PriestKerryHitchcock ConnieHumphryLaudeacio CastanonUSNRCUSNRCUSNRCTUElectricTUElectric(Fluor-Daniel Corporation)

TUElectric(Stone&WebsterEngineering)

TVAOmegaPointLaboratories, Iac.OmegaPointLaboratories, Inc.OmegaPointLaboratories, Iac.OmegaPoiatLaboratories, Iac.TESTITEMEQU.EQU.VOLTAGECURRENT(VOLTS)(AMPS)EQU.TEMP('C)ROOMCORRECTED TEMP'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.12340-94583,95165-9516845246 TexasUtilities ElectricPTN-BFJH-96-005 ATTACHMENT 1REVISION0PAGE15of15TESTITEMEQU.EQU.VOLTAGECURRENT,(VOLTS)(AMPS)EQU.ROOMCORRECTED TEMPTEMPCURRENT('C)('C)(AMPS)PERCENTDERATING750kCMilinAirDrop(hase)750kCMilinAirDrop(clad)4C750kCMilin5Conduit(base)4/C750kCMilin5Conduit(clad)5213.622.192.0889.540290.039.989.440290.040231.810.7Theequilibrium currentvaluesaresingle-point measurements performed aRerthesystemwasatequilibrium andthechangeincurrentwasverylow.TheEqu.Temp(equilibrium conductor temperature atthehottestlocation),

andtheRoomTemparereportedas60minuteaver'agevalues.TheCorrected Currentvaluesarethosecalculated inaccordance withP848/D12IEEEStandardProcedure fortheDetermination oftheAmpacityDeratingofFireProtected Cables~,whichcorrects, thesecurrentvaluestoaroomtemperature of40;Candaconductor.

temperature of90'C.whereITcTaTcTaa(Tc'-Ta')x(a+Tc)(Tc-Ta)x(a+Tc')testcurrentatequilibrium, ampereshottestconductor temperature atcenteratequilibrium,

'Cmeasuredenclosure ambienttemperature,

'Cnormalized current,amperesnormalized.

conductor temperature

=90'Cnormalized ambienttemperature

=40'C234.5forcopper-a~o0 L,

Table2-Dimensions andweightsofrlgldsteelconduitNominalortradesizeofconduitlnNominalinsidediameterinCustomary Inch-pound unitsNominalLengthOutsidewallwithoutdiameterthickness couplinginlnftandinMinimumweightoftenunitlengthswithcouplingsattachedIbNominalinsidediameterMetricunitsNominalLengthOutsidewallwithoutdiameterthickness couplingmmmmmetersMlnlmumweightoftenunitlengthswithcouplings attachedkg3/81/23/411-1/41-1/222-1/233-1/2560.4930.6320.8361.0631.3941.6242.083.24893.0903.5704.0505.0736.0930.6750.8401.0501.3151.6601.9002.3752.8753.5004.0004.5005.5636.6250,0910.1040.1070.1260.1330.1380.1460.1930.2050.2150.2250.2450.2669'11-1/2"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-Applicable toie~..ces:Length:~1/0<n(tB.35mm)(withoutcoupling)

Outsider',ameter fortra..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

EBASCOSERVICESINCORPORATED PTN-BFJM-96-005 ATTACHMENT 3REVlSION0PAGE1of3UALuULALlvl'IouvwvYDATE4-2'/-VOCHKD.BYWDATE~b9taCLIENTPROJECTSUBJECTREVISION1OFSNO.SHEET~OF~Conductor Single3/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.BYCLIENTPROJECTSUBJECTEBASCOSERVICESINCORPORATED DATE4-2f-fODATE~62g!0REVISION1PTN-BFJH-96-005 ATTACHHENT 3REVISION0'96PAGE2of3OFSNO.~DEPTNO.~X6MX7~~iConductor AC/DCResistance RatioACResistance at90oCSingleConductor'@uuJM N12AWG810AWG88AWG86AWGI4AWG2AWG01/0AWG82/0AWG84/0AWG8250kcmil8350kcmilfbopkcmil'750kcil81000kcmil N1250kcmil 1.01.01.01.01.01.01.0011.0011.0041.0051.0091.0181.0391.0671.1021.01.01.01.01.01.011.021.031.051.061.081.131.211.301.412.15x1.0=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&.0283 0.0185x1.039~0.0192 0.0139xl.067~0.0148 O.plllxl.102~0.0122 2.15x1.0=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.BYEBASCOSERVICESINCORPORATED DATE~MDATE~62qEDREVISIONPTN-BFJM-96-005 ATTACHMENT 3REVISION0PAGE3of3EC-096SHEET4OF~2OFSNO.~~DEPTNO.~CLIENTPROJECTSUBJECTGD(SeeTable7.2.2.2aforac/dcresistance ratios)Conductor ACResistance at90oC3/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=0.138 1.001=0.110 1.004=0.0686 1.005~0.0587 1.009=0.0420 1.018=0.0294 2.236x1.404x0.883x0.555x0.350x0.220x0.138x0.110x0.0683x0.0584x0.0416x0.0289x1.0=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'30-1 FIREBARRIERMATERIALPR0PERTIfSPTN-BFJM-96-005 ATTACHHENT 4REVISION0PAGEIof2Thisbrochurepresentsthemajorproperties ofTHERMO-LAG ininterestfornucleargenerating plantapplication.

Foradditional datanot'resented.

consultTSI.RADIATION RESISTANCE

-2.12x1Pradstotal40yearintegrated dose-Afterirradiation nodegradation infireresistive properties FIREPROTECTIVE FEATURES-ASTME-84TestingforTHERMO-LAG 330-1-FlameSpreadRating5-FuelContributed Rating-,0.-SmokeDeveloped Rating-15-ASTME-84TestingforTHERMO-LAG Primer-FlameSpreadRating0-FuelContributed Rating-0-SmokeDeveloped Rating-5-ASTME-84TestingforTHERMO-LAG 350-2PTopcoat-FlameSpreadRating5-FuelContributed Rating-0-SmokeDeveloped Rating-0-One-hourand;hTee-hour fireendurance testinaccordance withASTME-119,and.ANI/MAERP test"ANI/MAERP StandardFireE'ndurance TestMethodtoQualifyaProtective EnvelopeforClass1EElectrical Circuits".

-1/2InchTHERMO-LAG ratedonehour-1inchTHERMO-LAG ratedthreehours.-ASTME-119hosestreamtestonelectrical traysandconduitforoneandthrcchourratedTHERMO-LAG (2-1/2minutehosestreamapplication)

~~-ASTME-119firetestsforstructural steel,hangerstodetermine requiredTHERMO-LAG thickness foroncandthreehourrating-Tray.=-Conduit17percentderating10.9percentderatingMECHANICAL (PHYSICAI-)

PROPORTIES

-Densitywet-10.5lbs/gallon

-Densitydry-75~3Ibs/ft3-DryWeight1/2inchthickness (one*ourrated)~3.25Ib/Its-DryWeight1inchthickness (three-hour rated)~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-LAG hasbeenqualified bystaticanalysisforaveryconservative loading.Avalueof7.5ghorizontal

~and6.0gverticalacceleration, combinedbiaxially wasusedfortheanalysis.

Thesevaluesboundmostnucleargenerating plantseismiccriteria.

AMPACITYDERATINGAmpacityderatingtestsperformed inaccordance withIPCEAPublication NumberP-54-440(SecondEdition)(todetermine cablebaseampacity) andNEMAPublication No.WC51-1975, Thefollowing resultswereobtained(for40percentloading):

One-HourTHERMO-LAG Barriers-Tray-12.5pere'entderating-Conduit-6.8percentderatingThree-Hour THERMO-LAG Barriers 10percentsolution10percentsolution10percentsolution5percentsolution(Bulk)0(Ilute>ar se-><rageConditions (aabove32'Fandbelow100FAsbestoes freeNon-toxic HEMICALRESISTANCE OFERMO-LAG330-1-Water-Sulfuricacid-Hydrochloric acid-Sodiumhydroxide

-Sodiumchloride-Aceticacid-Kerosene-Anhydrous Ammonia-LNG-LPG-MethanolC'P~C~lwt~lI~~~lwl-Highhumidity-Industrial atmosphere (CO>-SO>mix)-Saltspray-InteriorEnvironmental Conditions

-Highhumidity-CO>-S+atmosphere mix-ChlorineResults:Servicelifeofatleast40yearsPTN-BFJH-96-005 ATTACHMENT 4REVISION0PAGE2of2CHEMICALRESISTANCE OF~THERMO-LAG 3$0-2PTOPCOAT-FrequentContact-Alkalisolutions

-Saltsolutions

-Alcohols-Aliphatic hydrocarbons

-Aromatichydrocarbons

-Occasional Contact-Freshwater-Wastewater-Mineraloils-Vegetable oils-Organicacids-Mineralacids-Oxidizing agents-Ketoncs~Si,.,~~260BrennonAve.Sc.Iouie.Mo.63138~(314)3528422~Telex:44-2384~Telex:20-8601

Retrieved from "https://kanterella.com/w/index.php?title=ML17229A178&oldid=747197"