ML17262A453: Difference between revisions
StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
||
| Line 17: | Line 17: | ||
=Text= | =Text= | ||
{{#Wiki_filter:RG&EAnswersToTheNRC'sMarch21, | {{#Wiki_filter:RG&EAnswersToTheNRC'sMarch21,4991StationBlackoutQuestions Attachment 4TurbineDrivenAuxiliary Feedwater PumpAreaHeatupCalculation 9104300406 910422PDRAGOCK05000244PDR QALPETjME900606-0z1DevonrueCalculation CoverSheetProjectNo.$-fgggy//Subjectst7P/Pl/F'f-knhtT.r~Description n&reefPreparedby+ReviewedApprovedbyNumberofpages/~>25/s4gCd4Appendices Attaciunents gtt/os~/t7// | ||
DevonrueCalculation ProjectNo.8-9025.00 Date:5/28/90Page1of12 | |||
==Subject:== | ==Subject:== | ||
Nocomputercalculations havebeenutilizedinthisanalysis. | |||
1.Theperimeter oftheIntermediate BuildingisassumedtobeasshownonGinnaStationDrawing33013-2113, Rev.02.Thenormalmaximumambienttemperature intheIntermediate Buildingisassumedtobe104oF3.Thenormalmaximumambienttemperature oftheContainment Structure justadjacenttothesouthwalloftheIntermediate Buildingisassumedtobe120'FasstatedinGinnaFSARTable3.11-1.4.ThesouthwalloftheTDAFWpumpAreaisassumedtobepoutedconcreteasshownonGinnaStationDrawing33013-2113, Rev.0.TheNorth,East,andWestwallsoftheTDAPVpumparea(thenorthportionoftheIntermediate | |||
: Building, el.253)aresolidconcreteblockasshownonGinnaStationDrawing33013-2113, Rev.0.Thesewallsareassumedtobehaveinasimilarmannertopouredconcretewallsandwillbetreatedsimilarly inthiscalculation. | |||
5.Theinitialwalltemperatures areassumedtobeinequilibrium withtheinitialairtemperature. | |||
6.Thermalinsulation onpipingandequipment isassumedtobeofthetypeandthickness definedinRGB'echnical Specification ME-269,Revision0.7.HeatingSteampipingandequipment isconservatively assumedtohaveanormaloperating temperature of220'F.Additional assumptions arestatedthroughout thebodyofthiscalculation. | |||
DevonrueCalculation | DevonrueCalculation | ||
==Subject:== | ==Subject:== | ||
ProjectNo.8-9025. | ProjectNo.8-9025.00 Date:5/28/90Page2of121.NUMARC87-00,"Guidelines andTechnical BasesforNUMARCInitiatives Addressing StationBlackoutatLightWaterReactors," | ||
including AppendixE,AppendixF,andtheAppendixFTopicalReport,November1987.2.RG&ETechnical Specification, ME-269,"Pipe,DuctandEquipment Insulation, GinnaStation," | |||
draftissueRevision0,datedJanuary30,1989.3.GinnaStationPlantArrangement DrawingNo.33013-2113, Rev.0,Cont.Struct.&Intermediate Bldg.Plan-Oper.Flr.E1.253'-3". | |||
5.GinnaStationP&IDDrawingNo.33013-1231, Rev.13,MainSteam.6.GinnaStationP&IDDrawingNo.33013-1915, Rev.4,HeatingSteam.7.MarksStandardHandbookforMechanical Engineers, NinthEdition,1987.r8.Ginna/UFSAR Table3.11-1,"Environmental ServiceConditions forEquipment DesignedtoMitigateDesign-Basis Events."9.VendorDrawing,LD-111347, Worthington, Corp.,OutlinedrawingofAuxiliary Feedwater PumpTurbine10.GilbertAssociates, BillofMaterials, forSteamDrivenAuxiliary Feedwater pumpandSteamTurbineDrive. | |||
DevonrueCalculation | DevonrueCalculation | ||
==Subject:== | ==Subject:== | ||
ProjectNo.8-9025. | ProjectNo.8-9025.00 Date:5/28/90Page3of12Theobjective ofthiscalculation istodetermine theambienttemperature riseintheTDAPYVpumpareaoftheIntermediate Buildingduringa4hourSBO-induced lossofventilation. | ||
BecausetheGinnaStationBlackoutcopingdurationis4hours,thesimplified methodology providedinNUMARC87-00,Section7willbeapplied.TheSection7methodology isbasedonthefactpouredconcretewallsactasheatsinksandthattheirsurfacetemperatures willremainessentially constantoverthecourseofthe4hourlossofventilation. | |||
Asstatedintheprevioussection,thesurfacetemperature ofthesolidconcreteblockwallswillalsobeassumedtoremainconstant. | |||
Section7ofNUMARC87-00presentsthefollowing simplified equationforuseinevaluatin'g afourhourlossofventilation: | |||
Tait-Tw+[QIA]3~4where:Tairistheresultant ambientairtemperature intheTDAPVpumparea(thenorthportionofel.253'-3"oftheIntermediate Building} | |||
after4hours;Twisthewalltemperature; Qistheheatgeneration ratefthmhotpiping,equipment, andelectrical devices;andAisthesurfaceareaofthewallsandceilingactingasheatsinks.Theeffectsofopeningdoorstoallowremovalofheatthroughnaturalcirculation areevaluated asdefinedinSection7,p.7-15,ofNUMARC87-00:Tair-Tw+(Q3~4l[A3~" | |||
+16.18F063]}whereFisthe"doorfactor"andisequaltoH3<W;whereHandWaretheheightandwidthofthedoor,respectively. | |||
DevonrueCalculation ProjectNo.8-9025.00 Date:598/90Page4of12 | |||
==Subject:== | ==Subject:== | ||
Thefollowing stepsshallbeperformed toaccomplish thedescribed methodfordetermining theTDAFWpumpan:aambienttemperature: | |||
1.SumthewallsurfaceareastoobtainAinsquaremeters.Forconservatism, thesurfaceamaoftheceilingwillbeneglected asitisconstructed ofcorrugated metalattachedtothepoutedconcretefloorslaboftheelevation above.2.Determine theinitialwalltemperature. | |||
Theeffectsofthehighertemperature ofthesouthwaHwhichisexposedonitsoutersurfacetotheContainment Structure ambienttemperatuie willbeconsidered. | |||
3.Conservatively estimatetheheatgeneration rate,Q,intheTDAFWpumparea.Thiswillbedonebyconsidering heatrejectedbyhotpipingandequipment usingtheequations givenonp.7-19ofNUMARC87-00.Heatrejectedbyoperating electrical equipment willalsobeconsidered. | |||
4.Applytheresultsoftheaboveandcalculate theresultant ambienttemperature. | |||
5.Evaluatetheeffectsofopeningdoors.Step1:SumwallsurfaceareastoobtainA,insq.metersThisstepisaccomplished usingthereferenced drawing,33013-2113. | |||
Aspreviously identified intheAssumptions Section,thesolid'concrete blockwallsbordering theNorth,East,andWestsidesoftheIntermediate buildingwillbeconsidered inthisevaluation. | |||
TheSouthwallborderstheContainment Structure andisconstructed frompouredconcrete. | |||
Theceilingsurfaceareahasbeenneglected asaheatsinksinceitconsistsofcorrugated metal. | |||
DevonrueCalculation | DevonrueCalculation | ||
==Subject:== | ==Subject:== | ||
ProjectNo.8-9025. | ProjectNo.8-9025.00 Date:5/28/90Page5of12Thestraightwallsaresimplyscaleddirectlyfromthereference drawing(seeFigure2)whilethecurvedwalllengthisdetermined usinganalyticgeometry. | ||
UsingFigure1,($1+g2)/360*(xD)=lengthofcurvedwall$1=tan-1(47/8/4)=50.63'2=tan-1(513/16/3)=62.70'1+g2=113.33'herefore, length=(113.33/360) m(33.68)=33.33m;where33.68isthemeasureddiameterofthecontainment fromthereferenced drawing12CLFigure1Calculation ofcurvedwalllength DevonrueCalculation | |||
==Subject:== | ==Subject:== | ||
ProjectNo.8-9025. | ProjectNo.8-9025.00 Date:5/28/90Page6of123.353.053.0428.0410.067.9233.336.40Figure2NorthPortionofIntermediate | ||
: Building, El278'-4"(note:alldimensions areinmeters)Usingthedimensions inFigure2,theperimeter oftheroomiscalculated bysummingtheselengths.ZI.=97.93meters=Perimeter TheSurfaceArea,A,iscomputedbymultiplying theperimeter bytheheightofthewalls.Reviewofthereferenced drawingandthedrawingfortheelevation above(33013-2129), | |||
showthattheheight,h,is:h=el278'-4"-253'-6"=24'-10"=7.57meterstherefore, A=97.93*7.57=741.33sq.meters DevonrueCalculation | |||
==Subject:== | ==Subject:== | ||
ProjectNo.8-9025. | ProjectNo.8-9025.00 Date;5/28/90Page7of12Step2:Determine theinitialwalltemperature, T;in'CTheinitialwalltemperature willbecalculated bymeansofaweightedaverageofSurfaceareabetweentheSouthwall,adjacenttotheContainment Structure andallotherwalls,Theinitialtemperature ofallotherwallsisassumedtobe104'F,whichisthestatedFSARvalueforthenormalmaximumambienttemperature intheIntermediate Building. | ||
TheSouthwallsurfacetemperature iscalculated asanaveragebetweentheContainment maximumnormalambientof120'Fandthe104'FIntermediate Buildingambienttemperature, Therefore, T(Southwall)=(120'F+104'F)/2=112'Ftheinitialtemperature computedbyweightedaverageonthebasisofareais:Ti=(33.33/97.93)*112 | |||
+(64.6/97.93) | |||
*104=107'F=41.7CStep3:Estimateheatgeneration rate,Q,inwattsThemajorsourceofheatintheTDAFWpumpareaishotpipingandequipment. | |||
Aphysicalinspection ofthearearevealedthefollowing soutces:(1)1/2"diam.Tb.Steamsupplyline(insulated), | |||
15ft.long(1)6"diam.Tb.Steamsupplyline(insulated) 110ft.long(1)1/2"diam.Tb.exhaustline(uninsulated), | |||
100ft.long(1)3/4"Tb.exhaustline(uninsulated), | |||
20ft.long(1)4"diam.Tb.Exhaustline(insulated), | |||
14ft.long(1)4"diam.Tb.Exhaustline(uninsulated), | |||
60ft.long(1)8"diamTb.exhaustline(insulated), | |||
7ft.long(1)8"diam.TbExhaustline(uninsulated), | |||
20ft.long(1)1-1/2"diam.HeatingSteamline(insulated), | |||
89ft.long(1)8"diam.HeatingSteamline(insulated), | |||
52.4ft.long(1)2-1/2"diam.HeatingSteamline(insulated), | |||
69.4ft.long(1)28"Diam.Stm.Turbine(insulated) | |||
DevonrueCalculation ProjectNo.8-9025.00 Date:5/28/90Page8of12 | |||
==Subject:== | ==Subject:== | ||
(1)2"diamT+Tvalve(uninsulated),1.25ft.long(1)12"diamGovernorvalve(uninsulated),1.7ft. | (1)2"diamT+Tvalve(uninsulated), | ||
1.25ft.long(1)12"diamGovernorvalve(uninsulated), | |||
1.7ft.longInordertocalculate theheatgenerated fromtheabovelistedsources,thesurfacetemperature ofinsulated components mustbedetermined. | |||
AsstatedintheAssumptions section,insulation typeandthickness isassumedtobeasspecified inRGB'hermal Insulation SpecME-269,TableI,exceptinthecaseofAFWTurbinewheretheinsulation thickness wasscaledfromtheoutlinedrawing.Inaccordance withparagraph 2.01ofME-269,allinsulation isassumedtobecalciumsilicate. | |||
Thesurfacetemperature iscalculated byconsidering theconvective heattransferbetweentheinsulated surfaceandtheair;q=hAdT=h(Ts T)2xrslwherehistheunitthermalsurfaceconductance inBtu/hr.sqft'F,rsistheradiusoftheinsulated surfaceinft.,1istheunitlength,Tsistheinsulated surfacetemperature,'nd T~istheambientairtemperature theconductive heattransferfromthepipesurfacethroughtheinsulation; q=(Ti-T~)*1/(fin(rs/ri)/2zkl] | |||
+V2zrs1h};whereTiisthepipesurfacetemperature andriisthepiperadiusCombining thetwoequations yields;Ts=[Vhrs*(Ti-T~)}/[[In(rs/ri)/k | |||
]+1/rsh}+T~ | |||
DevonrueCalculation | DevonrueCalculation | ||
==Subject:== | ==Subject:== | ||
ProjectNo.8-9025. | ProjectNo.8-9025.00 Date:5/28/90Page9of12Asimilardevelopment isappliedtotheAFWTurbinewhichisbasically treatedasaninsulated sphere.Thefinalequationis:Ts=T+[(TI.T)+(I/hrs2)~/{[(rs-ri)/(krsri)] | ||
+(I/h+rs2))Inthisevaluation, thefollowing constantvaluesareapplied:T~=107'F(seep.7ofthiscalc.)h=1.6Btu/hrsqft'F(Table4.4.11ofMarksHandbook) k=0.045Btu/hrft'F(Table4.4.6ofMarksHandbook) | |||
NotethattheTb.exhaustlineswereconsidered tohaveasurfacetemperature of240'F.Thisvalueisbasedupontheinformation intheAFWSteamTurbineBillofMaterials, previously referenced, whichgivesexitsteamconditions. | |||
Theresultsobtainedwhenapplyingtheaboveequationaresummarized inTable1.TABLEICALCULATION OFINSULATED SURFACETEMPERATURE (Ts)Description Ti('F)riIns.(tt)thk.(tt)rsIn(rs/ri) | |||
Ts(F)(tt)1/2"Tb.Stmsup.5506"Tb.Stmsup.5500.020.1250.1450.2760.20830.4841.9810010.5623044"Tb.Exh.2400.188,0.125 0,3130.509761146~51148.47126.938"Tb.Exh.2400.360.1250.4850.298045128.661-1/2"Htg.Stm.2200.080.0830.1630.711724129.058"Htg.Stm.2200.360.1250.4850.298045125.412-1/2"Htg.stm.2200.12StmTurbine5501.170.0830.2030.2921.4620.525714N/A130.57139 DevonrueCalculation | |||
==Subject:== | ==Subject:== | ||
ProjectNo.8-9025. | ProjectNo.8-9025.00 Date:5/28/90Page10of12UsingtheresultsofTable1,theheatgeneration, Q,canbecalculated fromthefollowing equationfoundinSection7ofNUMARC87-00:Q=(0.1[0.4+15.7(Ts-Ta)l/6Dl/2 | ||
+170.3(Ts-Ta)1/3D](Ts | |||
-Ta)+1.4E-7D(T4s | |||
-T4w)}Landinthecaseofthespherical Turbine,Q=(0.1[2+370(Ts-Ta)1/4D3/4I*D(Ts | |||
-Ta)+1.4E-7D(T4s-T4a)}Table2summarizes theinputsandresultsbasedontheaboveequations. | |||
TABLE2CALCULATION OFHEATGENERATED byHOTPIPING&EQUIPMENT Description Ts('F)Ts('K)L(ft)L(m)Do(ft)Do(m)Ts-Ta Ts4-Tw4Q(watts)1/2"Stmsup.6"Stm.sup.1/2"Tb.exh3/4"Tb.Exh.4"Tb.Exh4"Tb.Exh.8"Tb.Exh8"Tb.Exh.11/2Htg.Stm8Htg.Stm.2-1/2"HtgStm28"StmTB.T+TvalveGovernorVlv146.5148.5240240126.9240128.7240129.1125.4130.6139550550336.767337.856388.706388.706325.889388.706326.85388.706327.067325.044327.911332.594560.928560.928154.570.2911033.50.96810030.50.042206.10.063144.270.6266018.30.33372.130.97206.10.6678927.10.32652.4160.9769.421.20.406NANA3.051.250.380.1671.70.5210.0921.950.323.040.0173.890.0273.890.1911.070.173.890.312.030.273.890.112.250.310.220.1213.090.9317~770.05246.10.3246.13.042E+093.209E+09 1.301E+to 1.301E+10 1.459E+09 1.301E+10 1.593E+o9 1.301E+10 1.623E+09 1.343E+09 1.742E+09 2.417E+09 8.918E+10 8.918E+10 677.39166293680.41042.6558.6214620470.989471.82171.22884.22259.6400838.46401.8TotalQ(watts)= | |||
62105 DevonrueCalculation ProjectNo.8-9025.00 Date:5/28/90Page11of12 | |||
==Subject:== | ==Subject:== | ||
ReviewofTable2showsthattheuninsulated Tb.exhaustlineswereconsidered tohaveasurfacetemperature of240'F.Thisvalueisbasedupontheinformation intheAFWSteamTurbineBillofMaterials, previously referenced, whichgivesexitsteamconditions. | |||
Inadditiontothe62,105wattsgenerated byhotpipingandequipment, anadditional 1,000wattswillbeaddedtoaccountforheatgenerated byemergency | |||
: lighting, operating solenoids, etc.Therefore, thetotalheatgenerated intheTDAPVpumpateais:Q=62,105+1,000=63,105wattsStep4:Calculate theambienttemperature Thisstepisaccomplished byapplyingtheNUMARC87-00correlation: | |||
Tair=Ti+[Q/A]T-=41.7+[63,105/741.33]3/4 | |||
=41.7+28=697C=1575OFStep5:EvaluatetheeffectofopeningdoorsThisstepisperformed usingtheNUMARC87-00correlation forconsidering freeconvection throughverticalopenings. | |||
Arrangement drawing33013-2121 showsdoubledoorsonthewestsideoftheNorthwallwhichopentotheTurbineBldg.The'Turbine bldgareaadjacenttothesedoorsisassumedtoremainat104'Fduringthe4hourblackoutdurationduetoitsconfiguration andthelackofsignificant heatsourcesinthearea.Theeffectsofopeningdoorstoallowremovalofheatthroughnaturalcirculation areevaluated asdefinedinSection7,p.7-15,ofNUMARC87-00:Tair-Tw+(Q3/4/[A3/4 | |||
+16.18F08653))where; DevonrueCalculation | |||
==Subject:== | ==Subject:== | ||
ProjectNo.8-9025. | ProjectNo.8-9025.00 Date:5/28/90Page12of12Fisthe"doorfactor"andisequaltoH3/2W;whereHandWaretheheightandwidthofthedoor,respectively. | ||
4-86TRANSh( | Asmeasuredfromthelayoutdrawing,Wis8ft.(2.44m)andHisassumedtobe7ft.,thestandardindustrial doorheight.Applyingtheserelationships tothedoubledoorsyieldsanFof:F=(2.13)/2*(2.44)=7.58therefore, Tair=4+41.7+((63,105)3/4 | ||
/[(741.33)3/4 | |||
+16.18*(7.58).8653]) | |||
Tair=4+41.7+16.91=62.61'C=145'F GINNa/vpsaR f+~spyggG+Q)PfFbtJ/~Table3.11-1ff&kAGae&ZPlg/ENVIRONMENTAL SERVICECONDITIONS FOREQUIPMENT DESIGNEDTOMITIGATEDESIGN-BASIS EVENTSINSIDECONTAINMENT Normal0erationrTemperature PressureHumidityRadiation 60'Fto120'F0psig50X(nominal) | |||
Lessthan1radlhrgeneral.Canbehigherorlowernearspecificcomponents. | |||
AccidentConditions LOCAS+c~-Mvu.~~Temperature PressureHumidityFigure6.1-2(286'Fmaximum)Figure6.1-1(60psigdesign)100l40PSlgRadiation Tables3.11-2and3.11-3;1.43x10radsgamma72.07x10radsbetaChemical, spraySolutionofboricacid(2000to3000ppmboron)plusNaOHinwater.SolutionpHbetween8and10.Flooding7-ft(approximately) maximumsubmergence elevation is242ft8in.,AUXILIARY BUILDINGNormal0eration:Temperature PressureHumidityRadiation 50Fto104F0psig60X(nominal) | |||
Lessthan10mradlhrgeneral,withareasnearresidualheatremovalpipinglessthan100mradthrduringshutdownoperation. | |||
AccidentConditions includinsumrecirculation LOCAonetrainofESFcoolinoeratinTemperature PressureHumidity50Fto104F0psig601(nominal) 3~11-19REV412/88 1~lI:"Vjl4-90TRANSMISSiON OFHEATBYCONDUCTION ANDCONVECTION | |||
//~//~d>>~/~appearstobethebestavailable. | |||
Zubcralsoperformed ananal-obtainedatanoveralltemperature differcncc of60F.I-0ysisforsubcoolcd liquidsaridPfoPosedamodification whichis"thisPoint,thecoefficient aAuxdccrcasedraPid}y, a~udalsoincxcel1cnt agreement withcxperimcnt:, | |||
ingthevaluesobtainedinsuperheating vapor,sccEqcats1/IAdd(q/A)cmKtp,p+Cyg,-/))[fcrgtgAPc-Pn)1/PtPaPlPv>c1+5.33(pcCjk,)'/'(t, | |||
-t/)[gt(pc-p,)p,]Zuber'shydrodynamic analysisoftheLeidenfrost pointyields1/a(q/A)mK~"0.144<Ka<0.17?lega'hc-P.).(4A.I4d)giPPO.4i%3D.l0Berensonfindsbcltcragrcemcnt withthcdataifK,m0.09.Forverysmallwires,thcheatfluxwillcxcccdthatpredicted bythisflatplateformula.Areliableprcdiction ofthccriticaltempcraturc isnotavailable. | |||
Fornuc1eatcboilingaccompanied byforcedconvection, theheatfluxmaybcapproximated bythcsumoftheheatAuxforpoolboilingaloneandtheheatAuxforforcedconvection alone.Thisproecdurc willnotbesatisfactory athighqualities. | |||
andnosatisfactory correlation existsforthcmaximumheatAux.Foragivenliquidandboilingpressure, thcnatureofIhcsurfacemaysubstantial1y inAucnecthefluxatagiven(At),Table4.4.10.Thcscdatamaybcusedasroughapproximations forabankofsubmerged tubes.Filmcoefficients forscaicdepositsarcgiveninTab1e4.4.g.Forforced~clou evaporatoct, vaporbindingisalsoencoun.tered.Thuswithliquidbenzenecntcringa4.passstcamjack.cledpipeat0.9fps,uptothcpointwhere60pcrccntbyweightwasvaporized, thcmaximumfluxof60,000Btu/h/ft'as Forcomparison, inanaturalconvection evaporator, aIn~.mumAuxof73,000Btu/h/ftwasobtainedat(ht),of100F~cotnblned convection andRadiation coetticlentb inm"@sottte,'asesofheatloss,suchasthatfrombareandinsulated pp"@wherelossisbyconvection totheairandradiation totheteafhg>>oflhecncloingspccitisconvenient touscacombined'".r. | |||
vectionandradiation coeAicient (h,+h,).Therateofh'ca}nu'ossthusbecomesqm(h,+h,)A(dt), | |||
(4A.IS)j."-wherc(c)t),isthetemperature difference, degF,betweentfte~surfaceofthchotbodyandlhewallsofthcspace.fnevaiuat:'".ing(h,+h,),h,shouldbccalculated bytheappropriate convectionformula[seeEqs.(4A.llc)to(4A.llg)) | |||
andh,fromtheuiequationh,m0.00685c(7/100)'' | |||
TVa:ofiasvi>>ii540.4)d,enc}ostng imttfj,+kI'i'at~~1,III~I~)~~~i}~tI~~~ITable4.4.10MaximumFluxandCorresponding OverallTemperature Difterence torUquidbBoiledat1atmwithaSubmerged Horizontal Steam.Heated TubeUqutdAluminumChrumiom-1>latedcopt>crISmtI>>>>.9'A>/!A1000(1000ttit).9/AEthylacetate.... | |||
Bet>acne........ | |||
Ethylalcohol.... | |||
h'lethylalcohol..Distilled icatcr..41$15$80'bI10'173124II03$0$$10045IIO7$821$$410100IIO1$0NominalIipediamin.(a/I>.tenipccatuce dill<<cence. | |||
dejaF,ttoo>autiaeetoroomso}100,Iso2002so300'00'00e00,'700'001900I1000f11001200I2.122.482.763.103.413.1$4.47S.306.2117.25 d.409.7S}11.20 12.81'14.6$ | |||
2.03'2.3d 2.6$'2.983.293.624.33,$.166.0717.11'8.2$ | |||
9.57111.04 12.6514,48 I.932.272.$22.8$3.143.474.184.99S.89>6.928.07,'I.3810.8512.4414.2dI.dd2.Ie2.412.123.013.334.024.835.7216.75 7.899.21,10.eb 12.2714.091.762.062,292.602.893.203.884.68$.57b.eo7.739.05>10.50 12.10IS.931.712.012.242.$42.d23.133.d34.411$.50;6.527.6S8.96'10.42 12.0313.dc1,641.932.IS2.4$2.723033.104.48$.31'6~397~52bvbS'10.28 | |||
)1.9013.70}}}t(}I}I.dz2.132.40'2.70 2.993.304.004.79$.706.127.869.18'lb.64'12.2S.I4.06 2.002.352.4$2.913.263.$94.315.126.047.078.219.5411.0112.e3'14.45 1.$d1.8$2.092.362.632.933.614.385.216.271.408.7110.16 11.7613.57I281224FLATPa>>Teavertical...... | |||
~.~.~."HFU..........""" | |||
~}HFD.......... | |||
~.."",IIFU,ho>>i><>nial, | |||
(>>tingup>vaid;IIFD,hodaoniit, Acingdo>>>n>>ar>LTable4v410Valuedol(hc+hp)Forhorizontal bareorinsubtedstar>dard steelpipeofvarioussite:sandforfiatplatesinaroomat80'F...~re,,V>>.Cibt | |||
'>'Jp,1~I~ | |||
4-86TRANSh(ISSIOX OFHEATBYCONDUCTION ANDCONVECTION 5-9'dg.o~HF'M/~~Ami~P,2.+~Table4A.6ThermalConductlvltles ofInsutatlng Materials forHighTemperatures hfaterial Bulkdensity.Ibpereufshfaarecap,degF100F300F500F1000FISOOF1000FAsbestospaper,lacninated....... | |||
Asbestospayer.corrugated...... | |||
Diatomaceous earth.silica,po)edec,.................... | |||
Diatocnseeous earth,asbestosandbondingmaterial......... | |||
Fiberglas block.PF612......... | |||
Fiberglas block.PF614..~~~~~~.Fiberglas block.PF617.......... | |||
Fiberglas, metalcaeshblanket,f900........ | |||
~..~..~~.~.~....Cellubrgbssblocks,sve,vainest'~ | |||
.~~~~~~..~~.~~.~Ifydrouscalciumsilicate. | |||
"ffaylo".......... | |||
~...~...~.85racnagnesia....... | |||
~..~~.~~~~hffec~uacrs 6her,blanket...., | |||
Potassiura titanate. | |||
fihecs... | |||
~..~Roe'kwool,)oose................ | |||
22.16.4000.0380.0413000.0310.042II.11.3.71.58-11113.300030000.0310.029O.olI0.0270.0380.0350.0280.0220.0380.045t0.0420.0240.0490.1080.0750.0300.ON0.119Ib.715000.0370.0450.0530.074lb.16000.0450.0490.0530.0652.S5000.0250.0394.255000.0210.0339),SOO0.0100.03310000.0200.0300.0400.0330.0450.062O.Iolf0.1420.1630.117Table4,4.7ThermalConductance acrossAirSpacesBrul(h)(fr)-ReAective insulsuon Aicspare.inDireetioa ofheatOowTempditf,degFhfsantemp,degFAluminum~urfaees,~~0.05Ordinary~urlaeee,non.metallic, | |||
~~0.90Hohsontat, I(4across.Vertical, sl"4across......... | |||
Hocicontal. | |||
)facross...~..... | |||
Hocisontat, 4aecoss.......... | |||
UpwardAcrossDowns)acd Downwardlb.20.20.lb.80.80.75.80.0.600.490.300.191.35l.I'9I.080.93ValuesofKforNRowsDeeph)'2K024025340.170.29567100.300,310.310,33h,150(F/D)cis(4A.9)OssFlewNormaltoaSingleTube,D,G/frlfrom1000to50.000:030CiGs/(D)o(4A.ya)FluidFlowNormaltoaBankofStaggered Tubes,D,G~/frlfrom2000to40.000:'lrsOs'~K~-'4AJ0WaterFlowNormaltoaBankofStaggered Tubes,D,G~/frlfrom2000to40,000h370(l+0.0067rl) | |||
V,'s/(D)osforbafllcdcxchangers, toallowforIcakagcoffluidsaroundthcbafllcs,usc60percentofthevaluesofhfromEq.(4A2I);fortubesinlinc,deduct25percentfromIhevaluesofhgivenbyEq.(4.4.8).WaterRowinLayerFormoverHorfzontat Tubes,4P/Ir(2100I'orI'ranging from100to 1,0001bof waterperhperf1(eachside).WaterRowInLayerdownVerticalTubes,w/xD)500h120F)fs(4A.9s)HeatTransfertoOasesFiowingstVeryHighVelocities Ifanonrcactivc gas.streamisbroughttorestadiabatically, asatthctruestagnation pointofabluntbody,thetcmperaturc riscwillbcI,-rwV'/2g+Cr(4.4.9b)whereI,isthcstagnation temperature andristhetempera.turcofthefreestreammovingatvelocityV.Ateveryotherpointonthcbody,thegasisbroughttorestpartlybyprcssurechangesandpartlybyviscouseffectsinthcboundarylayer.Ingeneral,thisprocessisnotadiabatic, cvcnthoughthebodytransfers noheat.Thcthermalconductivity ofthcgaswilltransferheatfromonclayerofgastoanolher.Ataninsulated surface,thcgastempcraturc willtherefore bcncithcrthcfrcc-strcamtcmperaturc northcstagnation tempcralurc. | |||
Ingcn.eral,thcriscingastcmpcraturc willbegivenbythcequation | |||
~~~~ | ~~~~ | ||
~v~>>>>>>55~aJ<<VLIA)@bed)P-V<A5~<~BILLOFMATERIALS:.='-;::7er-4l'~-<<','V5gestinghcu~ | ~v~>>>>>>55~aJ<<VLIA)@bed)P-V<A5~<~BILLOFMATERIALS | ||
RG&EAnswersToTheNRC'sMarch21, | :.='-;::7er-4l'~-<<','V5gestinghcu~e AtonicPo'e'erD'nisi"n~CIL)SNT)(noches.ver Gasc)Elc"iricCorgor.vion)Peed.Vc~te>>SJ'st~i3oberTEt'~"-ttG~~F-'clearPo;;ed3'i:a<ion | ||
Table7-2- | <<r8alSY)58OLLPa>>051)CCI) | ||
)5CSIIEf.THO,LocATloN: | |||
Pi<<sburgh | |||
)Pa,~oAIw.o.4155cLIENTw.o.En-33COO'ni''.o. | |||
1OI)A)5fITYOCSCRIPTION OSQATKRIAlISSUOROKRNOPQsHewingr'"."s1"-;>c'nrc=stc'3~>chrc-sie12lfi026slensres1>-,>chr~~~P,5~<<~~egr.~r.rI0~%.~~~0<<~>>~~~~~Diffu"QsPea>><<pgsDj.~char5 Qf~<<QSuctionflmgQ5+p)chroesvreelOillv"rictQRb~bem~in"-s 3"-10AHA4N-COO)";A~Clv>>5<<5Ppshe>>befurni>>ho,4Q:vhi'hefolioQng'5St'LLL..O''vebio"}'~gonTyeSsjnglcnxlJ.rcauxrecerna'~29.7lb"/i:pzhr | |||
"+f)60))si,10p':"aus"".d5C"o..""b"ncsh;.3bcr"."'450hgat4575rm.TGulbinQ$hbsu""Q.bfo=quickster7~>~5.'5'~<<5~>><<~TL'inechal~bQiannshe.It'ulaUooidfard oilr~1yac"'agcons-an'I. | |||
",."Igovernor, go;-e"orvM-;~inte~Mstcstra>>ncrb"".".c'.-, | |||
insu)='-.on c.ugacI'for'n")casey,i"ch-0rutedh~fco'Qli)gptw(2)4i]2vŽTcssurQgauges,""d.tr'par."i"""'-tie va':cl~tsritc'~.Tu>>bi"cCo"i"zc"ion:~r'5CasingPmfVBucket.@heel"Blade"CerbonstQQA3>o'Js'ueelPored.si~QQ1StressS.eel<<>>~~..~'5,~he<<5>>>>V>>&,~Alle?AcvS5)) | |||
RG&EAnswersToTheNRC'sMarch21,1991StationBlackoutQuestions Attachment 5Containment Isolation Valves Table7-2-Containment Isolation lPage1of6]Penelrstlon NumberDescription ValveNumberPosttbnAtNormalOperatbnContainment IsolatbnMaintained JustNcation]Per874XI]SteamGenerator Inspectbn | |||
/Malntenaree 101FuelTransbrTbbeCharglrgUneTo8LoopSafetyfn]ectbnPump180'echarge Alternate ChargingToACoMLegConstructbn FireServloeWaterBirdRange3708870888980YesLockeddosedvkrbindgangsCheckvalve.80thcamper>>nts srecheckvalveLockeddosedvhbindflange.107Containment SprayPump1AReactorCoolantPunpASealWaterInletSumpADischugeToWasteHddupTankReactorCoolantPunpSealWaterReturnUnesndExcessLeMownToVCTU172317283130000Checkvalve.Checkvalve.Bothcomponents faldosedonlossofpower.Valvelessthan3'bmeter. | |||
ValvedosedbyECA.O.O,Step8110a]top)Containment SprayPump18ReactorCoohntPunp8SealWaterInlet88280Checkvalve.Checkvalve.110b(bottom)SafetyIn]ectbnTestLineResMualHeatRemovalTo8ColdLeg879LC00Lockeddosed.MOV720lockeddosed[breakerlockedopen],958fsnotconsidered aCIV.112LeMownToNonregeneraUve HeatExchanger 20CA2008202371427OiCOjCC00Allvabesexcept427faldosedonfoesofpower.Valve427Isnotconsidered aCIV.113SafetyIn]ectbnPump1ADischarge 870A889AC0Bothcomponents srecheckvalve@119StandbyAuxltaryFeedwater UneToSteamGer>>rator 1A9704A9705AContainment boundarybSGseoondary sMeandtubes.Nocontahment IsobtbnIsrequiredNlrogenToAccundators 0OJCAOV448felsdosedonbssolpower.VaNe8823Isacheckvalve.121aPressurizer ReliefTankToGasAnalyzerNlrogenToPressurizer ReBelTank000LCYesAOV439laisdosedonbssolpower.Manualvalve548bnotrrxturedtohotate.Valve528bacheckvalve.Manualvalve547bbckedcbsed. | |||
Table7-2-Containment tsolation | |||
[Page2of6JPenetration NumberDescription ValveNumberPosMonAtNormalOperation Contalnmsnt hohtlonMaintained JustiOcatfon | |||
[Per87~I121bMakeupWaterToPressurizer ReliefTank0OJCACV40Bfelsdosedonk¹sofpower.Vahre529Isacheckvalve.121c121dContainment PresscxeTransmkter PT-945Containment PressureTransmkter PT-948PTAS1819APT4461819BNA0NA0Valveisk¹sthan3'hmeter. | |||
Valvehlessthan3'hmeter. | |||
123(top)StandbyAuxihryFeedwater LineToSteamGcrnera'tof 1B9704B9705B00Containment boNxfsrybSCsecondary sideandtubes.Nocontahment Isolation req&ecLReactorCoohraDrainTankToGasAnalyzerLine1600A16551789000ACV160OAbnotcor¹kfered aCIV,buthhdosedonhssofpower.Manualvalve1655hnotrequkedtobohte.Valve1789felsdosedonk¹sofpower,124aExcessLetdownHeatExchanger CooingWahrSupply&Return74374500Valve743hacheckvalve.AOV.745fagsdosedonlossofpower,124bPc¹tAccidentAlrSarnphTo0FanComponent CoolingWaterFromReactorCoohntPcznp1B1569157115721574LCLCLCLC0YesAllfourmanualvalvesarelockedcfoscKLNorvradkactive, dosed4cop system.VahrebdosedbyECA4.0,Step8.127Component CooikqlWaterRomReactorCoohntPcznp1AComponent CooingWaterToReactorCoohntPump1AComponent CoolingWaterToReactorCoohntPump1B749A75CA749B750B00000Nonradioactive, ck¹sd4oop systemVahebdosedbyECA41.0,Step8.Norvradk¹ctlve, dosed4oop systemNonradioactive, dosed.loopsystemReactorCoohntDrainTankAndPressurizer ReliefTankToContainment VentHeader1713178617871793000LCYesValve1713hacheckvalve.ACVs1788and1787hgdosedonkesofpower.Manualvalve1793bhokedckeeciComponent CoolingWaterFromReactorSupportCoofkvg8140Non.radioactive, dosed.hop systemValvebdosedbyECA41.0,Step8.131Component CoolingWaterToReactorSupportCoo0ng8130Non.radloacUve, dosed4oop systemValvehdosedbyECA41.0,Step8. | |||
Table7-2- | Table7-2-Containment Isolation | ||
Table7-2- | [Page3of6]Penetration NumberDescription ValveNumberPosNonAtNormalOperation Containment IsoMonMaintained JusNlcatlon | ||
Table7-2- | [Per874N)141Containment Mht-Prsge ExhaustResidualHestRemovalPumpSuctbnFromAHotLegResidualHeatRemovalPump1ASuctbnFromSrsrp879707971701850A1813AOQ000YesBothAOVsfalcbsedonk>>sotpower.MOV701bckedclosedvbbreakerbehglockedopenMOV850Abusedforbng.termcootngandbnormallydosed.ValveposkbnlsvertdedeverysNIIvb0.1LI3,Step5.9.71;therefore, valvekrconsidered lockeddosedbyadnfnbtrative cortroLMOV1813AIsbckeddosedvhIhebreakerbehglockedopea142143ReskfualHeatRemovalPump18SuctbnFromSump8ReactorCoolantDrainTankDischarge Lhe8508181381003A10038172100000YesMOV8508Isusedforbng.termcooingandIsnormalydosed.ValveposkionIsverifiedeveryshiftvh0-ttt3,Step5.9.72,'herefore, valveboonsldered lockeddosedbyadninistratlve cortroLMOV.18138 tsbckeddosedvhthebreakerbehgbckedopeaAIIthreeAOVsfaildosedonk>>solpower.201(top)201(bottom)ReactorComparbnent CoolingUreteAAnd88HydrogenRecomblner (RbtAndMrdn)47574636107681084810211SI10213SI00LCLC00Non-radbactive, dosed.bop systemManualValves10768snd10848arebckeddosed.Solenoklvalves10211SIand10213SIfa1cbsedonlossofpower.Containment PressureTransrnkters PT4I47AndPT~SPT-947PT4I48181901819DNANA00Allvalveslessthan3'bmeter. | ||
Table7-2- | Rost-Acckfent AirSarrpteTo8Fan15631565IMS1568LCLCLCLCAilfourmanualvalvesafelockedclosed.PurgeSupplyDuctBindFhreleYesLockeddosedvbbfrdSsnge.AOV-5S69falIsck>>edonk>>sofpower.HotLegLoopSample000YesAOV4I65bnotconsklered aCIV.Manualvalve9560bnotrequiredtohobte.AOV~fatsdosedonbssofpower. | ||
RG&EAnswersToTheNRC'sMarch21, | Table7-2-Containment Isolation lPage4of6]P<<netratlon NumberDescrfptbnValveNumberPoslUonAtNormalOpefaUonContainment IsotsUonMaintained JusUUcatlon (Per67410)206a(top)207a(top)207b(bottom)SteamGenerator Inspecton IMaIntenance FuelTrar¹ferTubaChargkrgUneToBLoopSafetyIn(ectbnPump1BDischarge BirdRange870B889B000LockedCbsedViagt1ndRangeLockedCbsedViaBgndRangeCheckValveBothComponents AreCheckValves209(top)209(bototm)210Alternate ChargingToAColdLegOxygenMakeupToA8BR~rs1080A10214S10214811021SS1021SSILC00C0YesCheckValveMarwalvalve1080AbckaddosacLSolenoklvalves10214S,10214SI~10215S,and10215S1faldosedonlossolpower.LockeddosedvbbindflangeAOV.5879felsck¹adonk¹sofpower.AuxtbrySteamSupplyToContainment AuxlbrySteamCondensata RetrsnAHydrogenRacombiner (Riot8Main)81518165815281751076A1084A10205SI1020981LCLCLCLCLCLC00Bothmanualvahesarekxkeddosed.BothmanualvalvesarelockeddosecLMawalvalves1078Asnd1084Aarebckeddosed.Sdenoklvalves10205SIand10209SIfaicbsedonbssolpower.305b(top)Conbdnment AlrSampblrtetContrdnment AlrSamplePost.Accklent 15981597159815991554155615571559156015620000LCLCLCLCLCLCManualvalve1597bnotrrxtukadtobdate.AOV.1597felsebsedonbssofpower.BothAOVsfaldosedonbssofpower.Allsixmanualvalvesaralockeddosed.FireServkeWaterAOV-9227felsck¹edonbssofpower.Valve9229Isacheckvalve.ServloeWaterToAFanCoobrLOYesNon-radk¹ctlva, dosed-bop system.31Oa(bottom)Mkrl.Ptsge SrsrplyServiceAlrToCorralnment 7445747871417226OrCOrCLC0BothAOVsfaldosedonk¹sofpower.Msrwalvalve7141IsbckadcbsrxLValve7228bacheckvalve. | ||
Table7-2-Containment Isolation | |||
[Page5of6]Penetration NumberDescription ValveNumberPosltfonAtNormalOpefathnContainment Isobrtlon Maintained JustNcatlon | |||
]Per87~]310b(top)IstrumentAirToContainment 00ADV5392felscbredonlossolpower.Valve5393Isacheckvalve.311312313ServkeWaterFromBFanCoohrServkeWaterTo0FanCoolerLeakageTestDepressurlzstkn BindRange7444LOLOYesNonrsdkectlve, dosed4oopsystemNonradlosctire, dosed4oopsystemLockedcbsedvhbindfbnge.315Servk>>WaterFrom0FsnCoolerLONon-radhacUve. | |||
cfosed4oop system.318ServiceWaterToBFanCoolerLONonradioactive, cbsed4oop systera317Le4ulgeTestSupplyBindRange7443Lockeddosedvhbindfhnge.318Deadw4gtd TesterLockeddosed.Penetrathn kweldedshut.319ServkeWaterFromAFsnCoolerLONon-radioactive, chsed4oop system.ServkeWaterToCFanCooler4641LONon-radloacUve, dosed-loop systemASteamGenerator B~5701573800Manualvalve5701lsnotrequLredtoIsohtmADV4738felscbsedonbssofpower.BSteamGenerator Bhwdown5702573700Manualvalve5702notrequkedtoIsohte.AOV4737fatscbsedonbssolpower.ServkeWaterFromDFsnCoolerLONon-radhacUve, closed-loop systemDemheratked WaterToContahment 84188419ADV8418falscbsedonlossofpower.Valve8419kdacheckvalve.Cont4nment PfesslteTransInttersPl'-944.PT.949,andPT-950PT-944PT-949PT-9501819E1819F1819GNANANA000Allvalvesarelessthan3'tsmeter. | |||
HydrogenMannerInstnrnerdatbn Lhes921922923924Allforaadenoidvalvesfslchsedcnbssolpower. | |||
Table7-2-Containment Isolation | |||
[Page6of6]Penstratton NumberDescrlptkm ValveNumberPosttkmAtNormalOperation Containment hohrtlonMalnlalned JustNcaOon Prer97410)401MstnSteamFromSteamGenerator A3505A350735173519352100000Contr4nment boundaryhSGsecondary ddesndtubes.Nocontahment holationhrequlr<<l, MainSteamFromSteamGenerator 83504A3509351B3519352000000Containment botsvlary hSGsecondary sideandtubes.Nocontahment Isohtionhrequired, Feedwster UneToSteamGenerator A3993399540000400340054011000000Containment boundaryhSGsecondary sidesndtubes.Nocontshment Isolathnhrequired. | |||
Feedwater LIneToSteamGenerator 8399239944000D4004400B4012000000Containment boundaryhSGsecondary sidesndtubes.Nocontahment lsoladonhrequtred. | |||
Personnel HatchLockeddosed.Penetration lsleaktested.Equfpment HatchLockeddosed.Penetration hleaktested. | |||
RG&EAnswersToTheNRC'sMarch21,1991StationBlackoutQuestions Attachment 6TREATAnalysisofStationBlackout STATIONBLACKOUTTREATSIMULATION SummaryofSignificantAnalysis. | |||
EventsandOperatorActionsDuringthe0.0Time(sec)Event/Action LossofallACresulting inreactortrip,RCPcoastdown, lossofmain'feedwater, andturbinetrip.500(8.3min.)1000(16.7min.)1300(21.7min.)2000(33.3min.)2500(41.7min.)3000(50min.)3500(58min.)5000(1.4hr.)5500(1.53hr.)7200(2.0hr.)8000(2.2hr.)14,400(4.0hr.)RCSloopflowreachesNCflowandremainstherefordurationoftheanalysis. | |||
Pressurizer empties,RCSpressuredecreases toPofhotleg.SGNRlevelreturnsonscale.Aux.feedwater reduced,from400gpmperSGto25lb/sec.(180gpm)perSG.RCSpressurereachesPforTAux.feedwater reducedto5lb/sec.(36gpm)perSG.RCSbeginsheatupandre-pressurization toARVsetpoint. | |||
Aux.feedwater reduced,to0.ARVsopen;terminates heatup.ARVsremainopenfordurationoftheanalysisremovingdecayheat.RCSpressurereducedtoPofTUpperPlenum"collapsed" leveldecreases asvoidsappear.Aux.feedincreased to36gpmperSG.Aux.feedincreased to72gpmperSG.Aux.feedreducedto57gpmperSG.Aux.feedstopped.UpperHeadreachessaturation and."collapsed" leveldecreases asvoidsappear.Analysisterminated bystartingofoneSIpump. | |||
Conclusion Breakflowdecreases from6.6lbs/sec.(63gpm)to3.45lbs/sec.at4hr.following changesinRCSpressure. | |||
Voidingappearsintheupperheadandupperplenum.Thevoidsarecondensed intheSG.Naturalcirculation flowisneverlost.Voidingintheupperheadisapproximately 50.5%byvolumeafter4hr.Voidingintheupperplenumisapproximately 46.5%byvolumeafter4hr.aWa~l74 II2288.82888.8c1688.8MVl'VLNIN9,80.Pfp]~lt1488.81289.8fifjo<1898.82888.64668.8666B.S866B.STIIK(SEC)ISSGG.S12669.914668.8IQS,S 118e.ePKSTNS----PKSTNm<2) 1888.8iIIIwe.eI'gIIlli1848.8II1828.8MII1688.8III968.8IiI968.8948.8928.82668.846ee.e6689.86888.8TI%<SEC)STATIOHELNXOUT12866.814668.8 | |||
88.878.8N.BnVJ58.848.8A.B28.8Ie.e2666.8.4668.8-6668.88888.6T1%(KC)STATIONIUlXOUT12666.8 188.8ERR%.----EKQDL(2>88.8N.B58.848.8KB'8.8II18.8iIIl2888.84888.8aWB8888.8TltK(SEC)STATIONIUtXOUT12688.8 IIIII5888.8IIIIIgceee.e'VIM8.81800.8182000.84880.0we.e8000.0TIIIECKC)STAT10HELACKNT14880.8IWB.B | 88.878.8N.BnVJ58.848.8A.B28.8Ie.e2666.8.4668.8-6668.88888.6T1%(KC)STATIONIUlXOUT12666.8 188.8ERR%.----EKQDL(2>88.8N.B58.848.8KB'8.8II18.8iIIl2888.84888.8aWB8888.8TltK(SEC)STATIONIUtXOUT12688.8 IIIII5888.8IIIIIgceee.e'VIM8.81800.8182000.84880.0we.e8000.0TIIIECKC)STAT10HELACKNT14880.8IWB.B | ||
| Line 80: | Line 221: | ||
55.8I'L'VJ58s8IdLUJIblrII845.8JIA2J48.8IIIIX335.8X.azs2888.84888.8aeee.eTINE(SEC)STATIONIU(XOUTI2888.8I4ae.e | 55.8I'L'VJ58s8IdLUJIblrII845.8JIA2J48.8IIIIX335.8X.azs2888.84888.8aeee.eTINE(SEC)STATIONIU(XOUTI2888.8I4ae.e | ||
-IIQFL<BI>r.e6,56.85.54,54.83.525$,86888.88%8.8TIJOU(SEC)STATINRNXON12888.816888.8 58.848.838.828.818.84688.86888.8Tl/E(SEC)STATIOHMXOUT16668.812668.814688.8 | -IIQFL<BI> | ||
-INfL(55)48.8z.e58.815.818.85.8259.84668.86868.88668.8TIE(KC) | r.e6,56.85.54,54.83.525$,86888.88%8.8TIJOU(SEC)STATINRNXON12888.816888.8 58.848.838.828.818.84688.86888.8Tl/E(SEC)STATIOHMXOUT16668.812668.814688.8 | ||
-INfL(55)48.8z.e58.815.818.85.8259.84668.86868.88668.8TIE(KC)STATIOHELACKGUTlRECKGY 14NN.e 122M.BcIS88.80G.Qt698.8l488.8l288.8M8.82888.8/~0*e~~oaoq8TltjE(KC)STATIOHILACKOUMEN",ElN | |||
!HN8.0l28888 | |||
1188.8PKSTAP8----PKSTNN(2)1888.8Ia)IIIIB68.8I'IsI>li1848.8II1828.8AI0I1888.8III988.8]Ii9N.8948.89f!8.82888.84888.86%8.88888.8TINE(SEC)STATI(jHELNXM4E( | 1188.8PKSTAP8----PKSTNN(2) 1888.8Ia)IIIIB68.8I'IsI>li1848.8II1828.8AI0I1888.8III988.8]Ii9N.8948.89f!8.82888.84888.86%8.88888.8TINE(SEC)STATI(jHELNXM4E(3lW 12888.814888.8 88.8N.S94848.8A.S28.818.8ee2888.84888.868%.8"'888.8TINE(SEC)STRTIONELNXOUT4ECMP IBNN.Bneee.e14888oB1688B.S | ||
7008.06888oBIIIII58$.0IIIIIg48%.8Pl003008,02008.01088.0ee2008.04808.8awe8000,0TIIK(SEC)STATI(NELNX( | 7008.06888oBIIIII58$.0IIIIIg48%.8Pl003008,02008.01088.0ee2008.04808.8awe8000,0TIIK(SEC)STATI(NELNX(NT4EGNERY 14888,0 688.8648.8628.8A8$.80xI588.8568.8548.8528.89882888.84888.86NN.B8888.8TIN(SEC)STATIONELNXOUT4EISGN 14se.e166M.B 55.8IU.58.8QlJIW3I-I45.8JI0.3,48.8IE335.8x.e25.92666.84668.6NS.B8688.8TltK(SEC)STATINMNXNT4ECOVERY 18666.812668oB14888.816B8L8 58.8n0IIIPlJ48.834828.818.888IIII2888.84888.8T1%<SEC)STATINTUKKQIT4EN'ERY 12888.814888.816888.8 | ||
~rL(58)6.56.85.54.54.83.514488,83814688.814888,8INS.S152M.STI%(SEC) | ~rL(58)6.56.85.54.54.83.514488,83814688.814888,8INS.S152M.STI%(SEC)STATINMXOUT4ECOVERY IMS.S15688.815888.816888.8' h | ||
RG&EAnswersToTheNRC'sMarch24, | RG&EAnswersToTheNRC'sMarch24,1991StationBlackoutQuestions Attachment 7QualityAssurance Classification OfStationBlackoutEquipment StationBlackoutCopingEquipment QAStatus[Page1of2]Equipment IDDescrlpdon QualityAsswanceClasstrrcsthn Condense'te StorageTanksAFWSupplyToSGsSatetySignificant AFWSupplyToSGsSafetyChas3PLOIIMOVs3504A,3505AMOV~TDAFWPDCLubeOilPumpTDAWFPSteamSupplyTDAFWPDischarge ValveAFWSupplyToSGsAFWSupplyToSGsAFWRcwToSGsSafetyChas3SafetyChas2SafetyChas3AOVs4297,4299AOVs3516,3517TDAFWPFhwControlValveshenSteamIsolation ValvesAFWFkrwToSGsDecayHestRemovalSafetyClass3SafetyChas2SVs3509.3515PCVs3410,3411SGSteamRetefValvesSGAtmcspherh ReliefValvesDecayHeatRemovalDecayHestRemovalSafetyChas2SafetyChas2NrIhckupToARVs3410S,3411SPCVs9012,9013PCVs3410A,3411APCVs15003,15004BackupGasSupplyToSGARVsARVSolsnolds NrSupplyPresstzeRagtfadngValvesNrSupplyPreset!aRagtfagngValvesN,SupplyPresstzeRegrfsgng ValvesDecayHeatRemovalDecayHestRemovalDecayHeatRemovalDecayHestRemovalDecayHeatRemovalSafetySignlgcant SafetySlgni6cant SafetySlgrvgcant SafetySlgn5cant MORI3RCPumpSealReturnIsolagonValveRCPumpSealProtection SafetyChas2Batteries 1A,18DCPowerDistrhuthnPanelsIA,18125VDCPowerDhtrfbubon Emergency PowerSupplySafetyChas3Emergency PowerSupplySafetyChas3Irrverters IA,18Instrument Buses1A,18TEs409A.8and4'IOA,8PT~LTs426,433Inverters 120VACVitalBusesRCSHot5ColdLegTemperature Pressurtzer PresswePressurizer LevelEmergency PowerSupplySafetyChas3FfarkStatusMonitoring SafetyClassISafetyChas2SafetyChas2Emergency PowerSupplySafetyChas3LTs460,470PTs469,479NE-31~NM2LTs2022A,20228SGIA.18LevelSG1A,18PressureSourceRangeRuxDetectors CSTLevelRantStatusMonkorlng RantStatusMonkofngPbntSbtr>>Monkorlng RaraStatusMonkorlng PlantStatusMonkorfng SafetyChas2SafetyChas2SafetyChss3SafetyChas3SafetyClass3 wIg. | ||
StationBlackoutCopingEquipment QAStatustPage2of2]Eqtiprnent IDQualkyAsstsar>>e Casa@cation PCH018R&gfCBus18,Unit158Bus18,Unit15CChargkigPump18ChargingPump1CCharghgPump18CrcuitBreakerChargingPump1CCroitBreakerMaktn4rToRCSMakeupToRCSPowerToPCH018PowerToPCH01CSafetyCbss2SafetyCbss2SafetyCbss3SafetyCess3Bus18Bus18,Urit128480VACBusBus15/Bus18TleClrctitBreakerPowerToChargingPumpPowerToChargingPuirpSafetyCbss3SafetyCasa3Bus15Bus15,Unit3A480VACBusBus15/TSCIleCrcuftBreakerPowerToChargingPumpPowerToChargingPurrpNotNudearSafetyNotNudearSafetyTechnical SupportCenterDieselPowerToChargingPumpSafetySignificant TSC1Technical SupportCenterGenerator TSCStaticTransferSwitchPowerToChargingPunyPowerToChargingPumpSafetySlgniscsnt SafetySignificant 957aa,9573A,958BA,9584A,9586G,9584G,9510A,4048,9509C,9516D,9509F,95098DieselDrivenRreWaterPumpOutsideCondensate StorageTankPAuwslValvesAlternate CoosngWaterToTistineDrivenAFWPumpAlternate AFWSupplyToSGsAlternate AFWSipplyToSGsFromTCD03SafetySlgnigcant NotCbssffbdNotCbssiY>>d4078,40792291,7310,4318A,23132ih'ose(s) | |||
: Hydrants, HoseStatlcns1'oseManualVabesManualValvesFireHosesFireWaterSupplyPointsAlternate AFWSg>pfyToSGsFromFireWaterSystemAlternate AFWSteeplyToSGsFromCityWaterSystemAlternate AFWStpplyToSGsFromFireWaterSystemAlternate AFWStppfyToSGsFromFireWaterSystemAlternate AFWSis>plyToSGsFromCiityWaterSystemAppendicR}} | |||
Revision as of 12:12, 29 June 2018
| ML17262A453 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 06/05/1990 |
| From: | ROCHESTER GAS & ELECTRIC CORP. |
| To: | |
| Shared Package | |
| ML17262A448 | List: |
| References | |
| NUDOCS 9104300406 | |
| Download: ML17262A453 (62) | |
Text
{{#Wiki_filter:RG&EAnswersToTheNRC'sMarch21,4991StationBlackoutQuestions Attachment 4TurbineDrivenAuxiliary Feedwater PumpAreaHeatupCalculation 9104300406 910422PDRAGOCK05000244PDR QALPETjME900606-0z1DevonrueCalculation CoverSheetProjectNo.$-fgggy//Subjectst7P/Pl/F'f-knhtT.r~Description n&reefPreparedby+ReviewedApprovedbyNumberofpages/~>25/s4gCd4Appendices Attaciunents gtt/os~/t7// DevonrueCalculation ProjectNo.8-9025.00 Date:5/28/90Page1of12
Subject:
Nocomputercalculations havebeenutilizedinthisanalysis. 1.Theperimeter oftheIntermediate BuildingisassumedtobeasshownonGinnaStationDrawing33013-2113, Rev.02.Thenormalmaximumambienttemperature intheIntermediate Buildingisassumedtobe104oF3.Thenormalmaximumambienttemperature oftheContainment Structure justadjacenttothesouthwalloftheIntermediate Buildingisassumedtobe120'FasstatedinGinnaFSARTable3.11-1.4.ThesouthwalloftheTDAFWpumpAreaisassumedtobepoutedconcreteasshownonGinnaStationDrawing33013-2113, Rev.0.TheNorth,East,andWestwallsoftheTDAPVpumparea(thenorthportionoftheIntermediate
- Building, el.253)aresolidconcreteblockasshownonGinnaStationDrawing33013-2113, Rev.0.Thesewallsareassumedtobehaveinasimilarmannertopouredconcretewallsandwillbetreatedsimilarly inthiscalculation.
5.Theinitialwalltemperatures areassumedtobeinequilibrium withtheinitialairtemperature. 6.Thermalinsulation onpipingandequipment isassumedtobeofthetypeandthickness definedinRGB'echnical Specification ME-269,Revision0.7.HeatingSteampipingandequipment isconservatively assumedtohaveanormaloperating temperature of220'F.Additional assumptions arestatedthroughout thebodyofthiscalculation. DevonrueCalculation
Subject:
ProjectNo.8-9025.00 Date:5/28/90Page2of121.NUMARC87-00,"Guidelines andTechnical BasesforNUMARCInitiatives Addressing StationBlackoutatLightWaterReactors," including AppendixE,AppendixF,andtheAppendixFTopicalReport,November1987.2.RG&ETechnical Specification, ME-269,"Pipe,DuctandEquipment Insulation, GinnaStation," draftissueRevision0,datedJanuary30,1989.3.GinnaStationPlantArrangement DrawingNo.33013-2113, Rev.0,Cont.Struct.&Intermediate Bldg.Plan-Oper.Flr.E1.253'-3". 5.GinnaStationP&IDDrawingNo.33013-1231, Rev.13,MainSteam.6.GinnaStationP&IDDrawingNo.33013-1915, Rev.4,HeatingSteam.7.MarksStandardHandbookforMechanical Engineers, NinthEdition,1987.r8.Ginna/UFSAR Table3.11-1,"Environmental ServiceConditions forEquipment DesignedtoMitigateDesign-Basis Events."9.VendorDrawing,LD-111347, Worthington, Corp.,OutlinedrawingofAuxiliary Feedwater PumpTurbine10.GilbertAssociates, BillofMaterials, forSteamDrivenAuxiliary Feedwater pumpandSteamTurbineDrive. DevonrueCalculation
Subject:
ProjectNo.8-9025.00 Date:5/28/90Page3of12Theobjective ofthiscalculation istodetermine theambienttemperature riseintheTDAPYVpumpareaoftheIntermediate Buildingduringa4hourSBO-induced lossofventilation. BecausetheGinnaStationBlackoutcopingdurationis4hours,thesimplified methodology providedinNUMARC87-00,Section7willbeapplied.TheSection7methodology isbasedonthefactpouredconcretewallsactasheatsinksandthattheirsurfacetemperatures willremainessentially constantoverthecourseofthe4hourlossofventilation. Asstatedintheprevioussection,thesurfacetemperature ofthesolidconcreteblockwallswillalsobeassumedtoremainconstant. Section7ofNUMARC87-00presentsthefollowing simplified equationforuseinevaluatin'g afourhourlossofventilation: Tait-Tw+[QIA]3~4where:Tairistheresultant ambientairtemperature intheTDAPVpumparea(thenorthportionofel.253'-3"oftheIntermediate Building} after4hours;Twisthewalltemperature; Qistheheatgeneration ratefthmhotpiping,equipment, andelectrical devices;andAisthesurfaceareaofthewallsandceilingactingasheatsinks.Theeffectsofopeningdoorstoallowremovalofheatthroughnaturalcirculation areevaluated asdefinedinSection7,p.7-15,ofNUMARC87-00:Tair-Tw+(Q3~4l[A3~" +16.18F063]}whereFisthe"doorfactor"andisequaltoH3<W;whereHandWaretheheightandwidthofthedoor,respectively. DevonrueCalculation ProjectNo.8-9025.00 Date:598/90Page4of12
Subject:
Thefollowing stepsshallbeperformed toaccomplish thedescribed methodfordetermining theTDAFWpumpan:aambienttemperature: 1.SumthewallsurfaceareastoobtainAinsquaremeters.Forconservatism, thesurfaceamaoftheceilingwillbeneglected asitisconstructed ofcorrugated metalattachedtothepoutedconcretefloorslaboftheelevation above.2.Determine theinitialwalltemperature. Theeffectsofthehighertemperature ofthesouthwaHwhichisexposedonitsoutersurfacetotheContainment Structure ambienttemperatuie willbeconsidered. 3.Conservatively estimatetheheatgeneration rate,Q,intheTDAFWpumparea.Thiswillbedonebyconsidering heatrejectedbyhotpipingandequipment usingtheequations givenonp.7-19ofNUMARC87-00.Heatrejectedbyoperating electrical equipment willalsobeconsidered. 4.Applytheresultsoftheaboveandcalculate theresultant ambienttemperature. 5.Evaluatetheeffectsofopeningdoors.Step1:SumwallsurfaceareastoobtainA,insq.metersThisstepisaccomplished usingthereferenced drawing,33013-2113. Aspreviously identified intheAssumptions Section,thesolid'concrete blockwallsbordering theNorth,East,andWestsidesoftheIntermediate buildingwillbeconsidered inthisevaluation. TheSouthwallborderstheContainment Structure andisconstructed frompouredconcrete. Theceilingsurfaceareahasbeenneglected asaheatsinksinceitconsistsofcorrugated metal. DevonrueCalculation
Subject:
ProjectNo.8-9025.00 Date:5/28/90Page5of12Thestraightwallsaresimplyscaleddirectlyfromthereference drawing(seeFigure2)whilethecurvedwalllengthisdetermined usinganalyticgeometry. UsingFigure1,($1+g2)/360*(xD)=lengthofcurvedwall$1=tan-1(47/8/4)=50.63'2=tan-1(513/16/3)=62.70'1+g2=113.33'herefore, length=(113.33/360) m(33.68)=33.33m;where33.68isthemeasureddiameterofthecontainment fromthereferenced drawing12CLFigure1Calculation ofcurvedwalllength DevonrueCalculation
Subject:
ProjectNo.8-9025.00 Date:5/28/90Page6of123.353.053.0428.0410.067.9233.336.40Figure2NorthPortionofIntermediate
- Building, El278'-4"(note:alldimensions areinmeters)Usingthedimensions inFigure2,theperimeter oftheroomiscalculated bysummingtheselengths.ZI.=97.93meters=Perimeter TheSurfaceArea,A,iscomputedbymultiplying theperimeter bytheheightofthewalls.Reviewofthereferenced drawingandthedrawingfortheelevation above(33013-2129),
showthattheheight,h,is:h=el278'-4"-253'-6"=24'-10"=7.57meterstherefore, A=97.93*7.57=741.33sq.meters DevonrueCalculation
Subject:
ProjectNo.8-9025.00 Date;5/28/90Page7of12Step2:Determine theinitialwalltemperature, T;in'CTheinitialwalltemperature willbecalculated bymeansofaweightedaverageofSurfaceareabetweentheSouthwall,adjacenttotheContainment Structure andallotherwalls,Theinitialtemperature ofallotherwallsisassumedtobe104'F,whichisthestatedFSARvalueforthenormalmaximumambienttemperature intheIntermediate Building. TheSouthwallsurfacetemperature iscalculated asanaveragebetweentheContainment maximumnormalambientof120'Fandthe104'FIntermediate Buildingambienttemperature, Therefore, T(Southwall)=(120'F+104'F)/2=112'Ftheinitialtemperature computedbyweightedaverageonthebasisofareais:Ti=(33.33/97.93)*112 +(64.6/97.93)
- 104=107'F=41.7CStep3:Estimateheatgeneration rate,Q,inwattsThemajorsourceofheatintheTDAFWpumpareaishotpipingandequipment.
Aphysicalinspection ofthearearevealedthefollowing soutces:(1)1/2"diam.Tb.Steamsupplyline(insulated), 15ft.long(1)6"diam.Tb.Steamsupplyline(insulated) 110ft.long(1)1/2"diam.Tb.exhaustline(uninsulated), 100ft.long(1)3/4"Tb.exhaustline(uninsulated), 20ft.long(1)4"diam.Tb.Exhaustline(insulated), 14ft.long(1)4"diam.Tb.Exhaustline(uninsulated), 60ft.long(1)8"diamTb.exhaustline(insulated), 7ft.long(1)8"diam.TbExhaustline(uninsulated), 20ft.long(1)1-1/2"diam.HeatingSteamline(insulated), 89ft.long(1)8"diam.HeatingSteamline(insulated), 52.4ft.long(1)2-1/2"diam.HeatingSteamline(insulated), 69.4ft.long(1)28"Diam.Stm.Turbine(insulated) DevonrueCalculation ProjectNo.8-9025.00 Date:5/28/90Page8of12
Subject:
(1)2"diamT+Tvalve(uninsulated), 1.25ft.long(1)12"diamGovernorvalve(uninsulated), 1.7ft.longInordertocalculate theheatgenerated fromtheabovelistedsources,thesurfacetemperature ofinsulated components mustbedetermined. AsstatedintheAssumptions section,insulation typeandthickness isassumedtobeasspecified inRGB'hermal Insulation SpecME-269,TableI,exceptinthecaseofAFWTurbinewheretheinsulation thickness wasscaledfromtheoutlinedrawing.Inaccordance withparagraph 2.01ofME-269,allinsulation isassumedtobecalciumsilicate. Thesurfacetemperature iscalculated byconsidering theconvective heattransferbetweentheinsulated surfaceandtheair;q=hAdT=h(Ts T)2xrslwherehistheunitthermalsurfaceconductance inBtu/hr.sqft'F,rsistheradiusoftheinsulated surfaceinft.,1istheunitlength,Tsistheinsulated surfacetemperature,'nd T~istheambientairtemperature theconductive heattransferfromthepipesurfacethroughtheinsulation; q=(Ti-T~)*1/(fin(rs/ri)/2zkl] +V2zrs1h};whereTiisthepipesurfacetemperature andriisthepiperadiusCombining thetwoequations yields;Ts=[Vhrs*(Ti-T~)}/[[In(rs/ri)/k ]+1/rsh}+T~ DevonrueCalculation
Subject:
ProjectNo.8-9025.00 Date:5/28/90Page9of12Asimilardevelopment isappliedtotheAFWTurbinewhichisbasically treatedasaninsulated sphere.Thefinalequationis:Ts=T+[(TI.T)+(I/hrs2)~/{[(rs-ri)/(krsri)] +(I/h+rs2))Inthisevaluation, thefollowing constantvaluesareapplied:T~=107'F(seep.7ofthiscalc.)h=1.6Btu/hrsqft'F(Table4.4.11ofMarksHandbook) k=0.045Btu/hrft'F(Table4.4.6ofMarksHandbook) NotethattheTb.exhaustlineswereconsidered tohaveasurfacetemperature of240'F.Thisvalueisbasedupontheinformation intheAFWSteamTurbineBillofMaterials, previously referenced, whichgivesexitsteamconditions. Theresultsobtainedwhenapplyingtheaboveequationaresummarized inTable1.TABLEICALCULATION OFINSULATED SURFACETEMPERATURE (Ts)Description Ti('F)riIns.(tt)thk.(tt)rsIn(rs/ri) Ts(F)(tt)1/2"Tb.Stmsup.5506"Tb.Stmsup.5500.020.1250.1450.2760.20830.4841.9810010.5623044"Tb.Exh.2400.188,0.125 0,3130.509761146~51148.47126.938"Tb.Exh.2400.360.1250.4850.298045128.661-1/2"Htg.Stm.2200.080.0830.1630.711724129.058"Htg.Stm.2200.360.1250.4850.298045125.412-1/2"Htg.stm.2200.12StmTurbine5501.170.0830.2030.2921.4620.525714N/A130.57139 DevonrueCalculation
Subject:
ProjectNo.8-9025.00 Date:5/28/90Page10of12UsingtheresultsofTable1,theheatgeneration, Q,canbecalculated fromthefollowing equationfoundinSection7ofNUMARC87-00:Q=(0.1[0.4+15.7(Ts-Ta)l/6Dl/2 +170.3(Ts-Ta)1/3D](Ts -Ta)+1.4E-7D(T4s -T4w)}Landinthecaseofthespherical Turbine,Q=(0.1[2+370(Ts-Ta)1/4D3/4I*D(Ts -Ta)+1.4E-7D(T4s-T4a)}Table2summarizes theinputsandresultsbasedontheaboveequations. TABLE2CALCULATION OFHEATGENERATED byHOTPIPING&EQUIPMENT Description Ts('F)Ts('K)L(ft)L(m)Do(ft)Do(m)Ts-Ta Ts4-Tw4Q(watts)1/2"Stmsup.6"Stm.sup.1/2"Tb.exh3/4"Tb.Exh.4"Tb.Exh4"Tb.Exh.8"Tb.Exh8"Tb.Exh.11/2Htg.Stm8Htg.Stm.2-1/2"HtgStm28"StmTB.T+TvalveGovernorVlv146.5148.5240240126.9240128.7240129.1125.4130.6139550550336.767337.856388.706388.706325.889388.706326.85388.706327.067325.044327.911332.594560.928560.928154.570.2911033.50.96810030.50.042206.10.063144.270.6266018.30.33372.130.97206.10.6678927.10.32652.4160.9769.421.20.406NANA3.051.250.380.1671.70.5210.0921.950.323.040.0173.890.0273.890.1911.070.173.890.312.030.273.890.112.250.310.220.1213.090.9317~770.05246.10.3246.13.042E+093.209E+09 1.301E+to 1.301E+10 1.459E+09 1.301E+10 1.593E+o9 1.301E+10 1.623E+09 1.343E+09 1.742E+09 2.417E+09 8.918E+10 8.918E+10 677.39166293680.41042.6558.6214620470.989471.82171.22884.22259.6400838.46401.8TotalQ(watts)= 62105 DevonrueCalculation ProjectNo.8-9025.00 Date:5/28/90Page11of12
Subject:
ReviewofTable2showsthattheuninsulated Tb.exhaustlineswereconsidered tohaveasurfacetemperature of240'F.Thisvalueisbasedupontheinformation intheAFWSteamTurbineBillofMaterials, previously referenced, whichgivesexitsteamconditions. Inadditiontothe62,105wattsgenerated byhotpipingandequipment, anadditional 1,000wattswillbeaddedtoaccountforheatgenerated byemergency
- lighting, operating solenoids, etc.Therefore, thetotalheatgenerated intheTDAPVpumpateais:Q=62,105+1,000=63,105wattsStep4:Calculate theambienttemperature Thisstepisaccomplished byapplyingtheNUMARC87-00correlation:
Tair=Ti+[Q/A]T-=41.7+[63,105/741.33]3/4 =41.7+28=697C=1575OFStep5:EvaluatetheeffectofopeningdoorsThisstepisperformed usingtheNUMARC87-00correlation forconsidering freeconvection throughverticalopenings. Arrangement drawing33013-2121 showsdoubledoorsonthewestsideoftheNorthwallwhichopentotheTurbineBldg.The'Turbine bldgareaadjacenttothesedoorsisassumedtoremainat104'Fduringthe4hourblackoutdurationduetoitsconfiguration andthelackofsignificant heatsourcesinthearea.Theeffectsofopeningdoorstoallowremovalofheatthroughnaturalcirculation areevaluated asdefinedinSection7,p.7-15,ofNUMARC87-00:Tair-Tw+(Q3/4/[A3/4 +16.18F08653))where; DevonrueCalculation
Subject:
ProjectNo.8-9025.00 Date:5/28/90Page12of12Fisthe"doorfactor"andisequaltoH3/2W;whereHandWaretheheightandwidthofthedoor,respectively. Asmeasuredfromthelayoutdrawing,Wis8ft.(2.44m)andHisassumedtobe7ft.,thestandardindustrial doorheight.Applyingtheserelationships tothedoubledoorsyieldsanFof:F=(2.13)/2*(2.44)=7.58therefore, Tair=4+41.7+((63,105)3/4 /[(741.33)3/4 +16.18*(7.58).8653]) Tair=4+41.7+16.91=62.61'C=145'F GINNa/vpsaR f+~spyggG+Q)PfFbtJ/~Table3.11-1ff&kAGae&ZPlg/ENVIRONMENTAL SERVICECONDITIONS FOREQUIPMENT DESIGNEDTOMITIGATEDESIGN-BASIS EVENTSINSIDECONTAINMENT Normal0erationrTemperature PressureHumidityRadiation 60'Fto120'F0psig50X(nominal) Lessthan1radlhrgeneral.Canbehigherorlowernearspecificcomponents. AccidentConditions LOCAS+c~-Mvu.~~Temperature PressureHumidityFigure6.1-2(286'Fmaximum)Figure6.1-1(60psigdesign)100l40PSlgRadiation Tables3.11-2and3.11-3;1.43x10radsgamma72.07x10radsbetaChemical, spraySolutionofboricacid(2000to3000ppmboron)plusNaOHinwater.SolutionpHbetween8and10.Flooding7-ft(approximately) maximumsubmergence elevation is242ft8in.,AUXILIARY BUILDINGNormal0eration:Temperature PressureHumidityRadiation 50Fto104F0psig60X(nominal) Lessthan10mradlhrgeneral,withareasnearresidualheatremovalpipinglessthan100mradthrduringshutdownoperation. AccidentConditions includinsumrecirculation LOCAonetrainofESFcoolinoeratinTemperature PressureHumidity50Fto104F0psig601(nominal) 3~11-19REV412/88 1~lI:"Vjl4-90TRANSMISSiON OFHEATBYCONDUCTION ANDCONVECTION //~//~d>>~/~appearstobethebestavailable. Zubcralsoperformed ananal-obtainedatanoveralltemperature differcncc of60F.I-0ysisforsubcoolcd liquidsaridPfoPosedamodification whichis"thisPoint,thecoefficient aAuxdccrcasedraPid}y, a~udalsoincxcel1cnt agreement withcxperimcnt:, ingthevaluesobtainedinsuperheating vapor,sccEqcats1/IAdd(q/A)cmKtp,p+Cyg,-/))[fcrgtgAPc-Pn)1/PtPaPlPv>c1+5.33(pcCjk,)'/'(t, -t/)[gt(pc-p,)p,]Zuber'shydrodynamic analysisoftheLeidenfrost pointyields1/a(q/A)mK~"0.144<Ka<0.17?lega'hc-P.).(4A.I4d)giPPO.4i%3D.l0Berensonfindsbcltcragrcemcnt withthcdataifK,m0.09.Forverysmallwires,thcheatfluxwillcxcccdthatpredicted bythisflatplateformula.Areliableprcdiction ofthccriticaltempcraturc isnotavailable. Fornuc1eatcboilingaccompanied byforcedconvection, theheatfluxmaybcapproximated bythcsumoftheheatAuxforpoolboilingaloneandtheheatAuxforforcedconvection alone.Thisproecdurc willnotbesatisfactory athighqualities. andnosatisfactory correlation existsforthcmaximumheatAux.Foragivenliquidandboilingpressure, thcnatureofIhcsurfacemaysubstantial1y inAucnecthefluxatagiven(At),Table4.4.10.Thcscdatamaybcusedasroughapproximations forabankofsubmerged tubes.Filmcoefficients forscaicdepositsarcgiveninTab1e4.4.g.Forforced~clou evaporatoct, vaporbindingisalsoencoun.tered.Thuswithliquidbenzenecntcringa4.passstcamjack.cledpipeat0.9fps,uptothcpointwhere60pcrccntbyweightwasvaporized, thcmaximumfluxof60,000Btu/h/ft'as Forcomparison, inanaturalconvection evaporator, aIn~.mumAuxof73,000Btu/h/ftwasobtainedat(ht),of100F~cotnblned convection andRadiation coetticlentb inm"@sottte,'asesofheatloss,suchasthatfrombareandinsulated pp"@wherelossisbyconvection totheairandradiation totheteafhg>>oflhecncloingspccitisconvenient touscacombined'".r. vectionandradiation coeAicient (h,+h,).Therateofh'ca}nu'ossthusbecomesqm(h,+h,)A(dt), (4A.IS)j."-wherc(c)t),isthetemperature difference, degF,betweentfte~surfaceofthchotbodyandlhewallsofthcspace.fnevaiuat:'".ing(h,+h,),h,shouldbccalculated bytheappropriate convectionformula[seeEqs.(4A.llc)to(4A.llg)) andh,fromtheuiequationh,m0.00685c(7/100) TVa:ofiasvi>>ii540.4)d,enc}ostng imttfj,+kI'i'at~~1,III~I~)~~~i}~tI~~~ITable4.4.10MaximumFluxandCorresponding OverallTemperature Difterence torUquidbBoiledat1atmwithaSubmerged Horizontal Steam.Heated TubeUqutdAluminumChrumiom-1>latedcopt>crISmtI>>>>.9'A>/!A1000(1000ttit).9/AEthylacetate.... Bet>acne........ Ethylalcohol.... h'lethylalcohol..Distilled icatcr..41$15$80'bI10'173124II03$0$$10045IIO7$821$$410100IIO1$0NominalIipediamin.(a/I>.tenipccatuce dill<<cence. dejaF,ttoo>autiaeetoroomso}100,Iso2002so300'00'00e00,'700'001900I1000f11001200I2.122.482.763.103.413.1$4.47S.306.2117.25 d.409.7S}11.20 12.81'14.6$ 2.03'2.3d 2.6$'2.983.293.624.33,$.166.0717.11'8.2$ 9.57111.04 12.6514,48 I.932.272.$22.8$3.143.474.184.99S.89>6.928.07,'I.3810.8512.4414.2dI.dd2.Ie2.412.123.013.334.024.835.7216.75 7.899.21,10.eb 12.2714.091.762.062,292.602.893.203.884.68$.57b.eo7.739.05>10.50 12.10IS.931.712.012.242.$42.d23.133.d34.411$.50;6.527.6S8.96'10.42 12.0313.dc1,641.932.IS2.4$2.723033.104.48$.31'6~397~52bvbS'10.28 )1.9013.70}}}t(}I}I.dz2.132.40'2.70 2.993.304.004.79$.706.127.869.18'lb.64'12.2S.I4.06 2.002.352.4$2.913.263.$94.315.126.047.078.219.5411.0112.e3'14.45 1.$d1.8$2.092.362.632.933.614.385.216.271.408.7110.16 11.7613.57I281224FLATPa>>Teavertical...... ~.~.~."HFU..........""" ~}HFD.......... ~.."",IIFU,ho>>i><>nial, (>>tingup>vaid;IIFD,hodaoniit, Acingdo>>>n>>ar>LTable4v410Valuedol(hc+hp)Forhorizontal bareorinsubtedstar>dard steelpipeofvarioussite:sandforfiatplatesinaroomat80'F...~re,,V>>.Cibt '>'Jp,1~I~ 4-86TRANSh(ISSIOX OFHEATBYCONDUCTION ANDCONVECTION 5-9'dg.o~HF'M/~~Ami~P,2.+~Table4A.6ThermalConductlvltles ofInsutatlng Materials forHighTemperatures hfaterial Bulkdensity.Ibpereufshfaarecap,degF100F300F500F1000FISOOF1000FAsbestospaper,lacninated....... Asbestospayer.corrugated...... Diatomaceous earth.silica,po)edec,.................... Diatocnseeous earth,asbestosandbondingmaterial......... Fiberglas block.PF612......... Fiberglas block.PF614..~~~~~~.Fiberglas block.PF617.......... Fiberglas, metalcaeshblanket,f900........ ~..~..~~.~.~....Cellubrgbssblocks,sve,vainest'~ .~~~~~~..~~.~~.~Ifydrouscalciumsilicate. "ffaylo".......... ~...~...~.85racnagnesia....... ~..~~.~~~~hffec~uacrs 6her,blanket...., Potassiura titanate. fihecs... ~..~Roe'kwool,)oose................ 22.16.4000.0380.0413000.0310.042II.11.3.71.58-11113.300030000.0310.029O.olI0.0270.0380.0350.0280.0220.0380.045t0.0420.0240.0490.1080.0750.0300.ON0.119Ib.715000.0370.0450.0530.074lb.16000.0450.0490.0530.0652.S5000.0250.0394.255000.0210.0339),SOO0.0100.03310000.0200.0300.0400.0330.0450.062O.Iolf0.1420.1630.117Table4,4.7ThermalConductance acrossAirSpacesBrul(h)(fr)-ReAective insulsuon Aicspare.inDireetioa ofheatOowTempditf,degFhfsantemp,degFAluminum~urfaees,~~0.05Ordinary~urlaeee,non.metallic, ~~0.90Hohsontat, I(4across.Vertical, sl"4across......... Hocicontal. )facross...~..... Hocisontat, 4aecoss.......... UpwardAcrossDowns)acd Downwardlb.20.20.lb.80.80.75.80.0.600.490.300.191.35l.I'9I.080.93ValuesofKforNRowsDeeph)'2K024025340.170.29567100.300,310.310,33h,150(F/D)cis(4A.9)OssFlewNormaltoaSingleTube,D,G/frlfrom1000to50.000:030CiGs/(D)o(4A.ya)FluidFlowNormaltoaBankofStaggered Tubes,D,G~/frlfrom2000to40.000:'lrsOs'~K~-'4AJ0WaterFlowNormaltoaBankofStaggered Tubes,D,G~/frlfrom2000to40,000h370(l+0.0067rl) V,'s/(D)osforbafllcdcxchangers, toallowforIcakagcoffluidsaroundthcbafllcs,usc60percentofthevaluesofhfromEq.(4A2I);fortubesinlinc,deduct25percentfromIhevaluesofhgivenbyEq.(4.4.8).WaterRowinLayerFormoverHorfzontat Tubes,4P/Ir(2100I'orI'ranging from100to 1,0001bof waterperhperf1(eachside).WaterRowInLayerdownVerticalTubes,w/xD)500h120F)fs(4A.9s)HeatTransfertoOasesFiowingstVeryHighVelocities Ifanonrcactivc gas.streamisbroughttorestadiabatically, asatthctruestagnation pointofabluntbody,thetcmperaturc riscwillbcI,-rwV'/2g+Cr(4.4.9b)whereI,isthcstagnation temperature andristhetempera.turcofthefreestreammovingatvelocityV.Ateveryotherpointonthcbody,thegasisbroughttorestpartlybyprcssurechangesandpartlybyviscouseffectsinthcboundarylayer.Ingeneral,thisprocessisnotadiabatic, cvcnthoughthebodytransfers noheat.Thcthermalconductivity ofthcgaswilltransferheatfromonclayerofgastoanolher.Ataninsulated surface,thcgastempcraturc willtherefore bcncithcrthcfrcc-strcamtcmperaturc northcstagnation tempcralurc. Ingcn.eral,thcriscingastcmpcraturc willbegivenbythcequation ~~~~ ~v~>>>>>>55~aJ<<VLIA)@bed)P-V<A5~<~BILLOFMATERIALS
- .='-;::7er-4l'~-<<','V5gestinghcu~e AtonicPo'e'erD'nisi"n~CIL)SNT)(noches.ver Gasc)Elc"iricCorgor.vion)Peed.Vc~te>>SJ'st~i3oberTEt'~"-ttG~~F-'clearPo;;ed3'i:a<ion
<<r8alSY)58OLLPa>>051)CCI) )5CSIIEf.THO,LocATloN: Pi<<sburgh )Pa,~oAIw.o.4155cLIENTw.o.En-33COO'ni.o. 1OI)A)5fITYOCSCRIPTION OSQATKRIAlISSUOROKRNOPQsHewingr'"."s1"-;>c'nrc=stc'3~>chrc-sie12lfi026slensres1>-,>chr~~~P,5~<<~~egr.~r.rI0~%.~~~0<<~>>~~~~~Diffu"QsPea>><<pgsDj.~char5 Qf~<<QSuctionflmgQ5+p)chroesvreelOillv"rictQRb~bem~in"-s 3"-10AHA4N-COO)";A~Clv>>5<<5Ppshe>>befurni>>ho,4Q:vhi'hefolioQng'5St'LLL..Ovebio"}'~gonTyeSsjnglcnxlJ.rcauxrecerna'~29.7lb"/i:pzhr "+f)60))si,10p':"aus"".d5C"o..""b"ncsh;.3bcr"."'450hgat4575rm.TGulbinQ$hbsu""Q.bfo=quickster7~>~5.'5'~<<5~>><<~TL'inechal~bQiannshe.It'ulaUooidfard oilr~1yac"'agcons-an'I. ",."Igovernor, go;-e"orvM-;~inte~Mstcstra>>ncrb"".".c'.-, insu)='-.on c.ugacI'for'n")casey,i"ch-0rutedh~fco'Qli)gptw(2)4i]2vŽTcssurQgauges,""d.tr'par."i"""'-tie va':cl~tsritc'~.Tu>>bi"cCo"i"zc"ion:~r'5CasingPmfVBucket.@heel"Blade"CerbonstQQA3>o'Js'ueelPored.si~QQ1StressS.eel<<>>~~..~'5,~he<<5>>>>V>>&,~Alle?AcvS5)) RG&EAnswersToTheNRC'sMarch21,1991StationBlackoutQuestions Attachment 5Containment Isolation Valves Table7-2-Containment Isolation lPage1of6]Penelrstlon NumberDescription ValveNumberPosttbnAtNormalOperatbnContainment IsolatbnMaintained JustNcation]Per874XI]SteamGenerator Inspectbn /Malntenaree 101FuelTransbrTbbeCharglrgUneTo8LoopSafetyfn]ectbnPump180'echarge Alternate ChargingToACoMLegConstructbn FireServloeWaterBirdRange3708870888980YesLockeddosedvkrbindgangsCheckvalve.80thcamper>>nts srecheckvalveLockeddosedvhbindflange.107Containment SprayPump1AReactorCoolantPunpASealWaterInletSumpADischugeToWasteHddupTankReactorCoolantPunpSealWaterReturnUnesndExcessLeMownToVCTU172317283130000Checkvalve.Checkvalve.Bothcomponents faldosedonlossofpower.Valvelessthan3'bmeter. ValvedosedbyECA.O.O,Step8110a]top)Containment SprayPump18ReactorCoohntPunp8SealWaterInlet88280Checkvalve.Checkvalve.110b(bottom)SafetyIn]ectbnTestLineResMualHeatRemovalTo8ColdLeg879LC00Lockeddosed.MOV720lockeddosed[breakerlockedopen],958fsnotconsidered aCIV.112LeMownToNonregeneraUve HeatExchanger 20CA2008202371427OiCOjCC00Allvabesexcept427faldosedonfoesofpower.Valve427Isnotconsidered aCIV.113SafetyIn]ectbnPump1ADischarge 870A889AC0Bothcomponents srecheckvalve@119StandbyAuxltaryFeedwater UneToSteamGer>>rator 1A9704A9705AContainment boundarybSGseoondary sMeandtubes.Nocontahment IsobtbnIsrequiredNlrogenToAccundators 0OJCAOV448felsdosedonbssolpower.VaNe8823Isacheckvalve.121aPressurizer ReliefTankToGasAnalyzerNlrogenToPressurizer ReBelTank000LCYesAOV439laisdosedonbssolpower.Manualvalve548bnotrrxturedtohotate.Valve528bacheckvalve.Manualvalve547bbckedcbsed. Table7-2-Containment tsolation [Page2of6JPenetration NumberDescription ValveNumberPosMonAtNormalOperation Contalnmsnt hohtlonMaintained JustiOcatfon [Per87~I121bMakeupWaterToPressurizer ReliefTank0OJCACV40Bfelsdosedonk¹sofpower.Vahre529Isacheckvalve.121c121dContainment PresscxeTransmkter PT-945Containment PressureTransmkter PT-948PTAS1819APT4461819BNA0NA0Valveisk¹sthan3'hmeter. Valvehlessthan3'hmeter. 123(top)StandbyAuxihryFeedwater LineToSteamGcrnera'tof 1B9704B9705B00Containment boNxfsrybSCsecondary sideandtubes.Nocontahment Isolation req&ecLReactorCoohraDrainTankToGasAnalyzerLine1600A16551789000ACV160OAbnotcor¹kfered aCIV,buthhdosedonhssofpower.Manualvalve1655hnotrequkedtobohte.Valve1789felsdosedonk¹sofpower,124aExcessLetdownHeatExchanger CooingWahrSupply&Return74374500Valve743hacheckvalve.AOV.745fagsdosedonlossofpower,124bPc¹tAccidentAlrSarnphTo0FanComponent CoolingWaterFromReactorCoohntPcznp1B1569157115721574LCLCLCLC0YesAllfourmanualvalvesarelockedcfoscKLNorvradkactive, dosed4cop system.VahrebdosedbyECA4.0,Step8.127Component CooikqlWaterRomReactorCoohntPcznp1AComponent CooingWaterToReactorCoohntPump1AComponent CoolingWaterToReactorCoohntPump1B749A75CA749B750B00000Nonradioactive, ck¹sd4oop systemVahebdosedbyECA41.0,Step8.Norvradk¹ctlve, dosed4oop systemNonradioactive, dosed.loopsystemReactorCoohntDrainTankAndPressurizer ReliefTankToContainment VentHeader1713178617871793000LCYesValve1713hacheckvalve.ACVs1788and1787hgdosedonkesofpower.Manualvalve1793bhokedckeeciComponent CoolingWaterFromReactorSupportCoofkvg8140Non.radioactive, dosed.hop systemValvebdosedbyECA41.0,Step8.131Component CoolingWaterToReactorSupportCoo0ng8130Non.radloacUve, dosed4oop systemValvehdosedbyECA41.0,Step8.
Table7-2-Containment Isolation [Page3of6]Penetration NumberDescription ValveNumberPosNonAtNormalOperation Containment IsoMonMaintained JusNlcatlon [Per874N)141Containment Mht-Prsge ExhaustResidualHestRemovalPumpSuctbnFromAHotLegResidualHeatRemovalPump1ASuctbnFromSrsrp879707971701850A1813AOQ000YesBothAOVsfalcbsedonk>>sotpower.MOV701bckedclosedvbbreakerbehglockedopenMOV850Abusedforbng.termcootngandbnormallydosed.ValveposkbnlsvertdedeverysNIIvb0.1LI3,Step5.9.71;therefore, valvekrconsidered lockeddosedbyadnfnbtrative cortroLMOV1813AIsbckeddosedvhIhebreakerbehglockedopea142143ReskfualHeatRemovalPump18SuctbnFromSump8ReactorCoolantDrainTankDischarge Lhe8508181381003A10038172100000YesMOV8508Isusedforbng.termcooingandIsnormalydosed.ValveposkionIsverifiedeveryshiftvh0-ttt3,Step5.9.72,'herefore, valveboonsldered lockeddosedbyadninistratlve cortroLMOV.18138 tsbckeddosedvhthebreakerbehgbckedopeaAIIthreeAOVsfaildosedonk>>solpower.201(top)201(bottom)ReactorComparbnent CoolingUreteAAnd88HydrogenRecomblner (RbtAndMrdn)47574636107681084810211SI10213SI00LCLC00Non-radbactive, dosed.bop systemManualValves10768snd10848arebckeddosed.Solenoklvalves10211SIand10213SIfa1cbsedonlossofpower.Containment PressureTransrnkters PT4I47AndPT~SPT-947PT4I48181901819DNANA00Allvalveslessthan3'bmeter. Rost-Acckfent AirSarrpteTo8Fan15631565IMS1568LCLCLCLCAilfourmanualvalvesafelockedclosed.PurgeSupplyDuctBindFhreleYesLockeddosedvbbfrdSsnge.AOV-5S69falIsck>>edonk>>sofpower.HotLegLoopSample000YesAOV4I65bnotconsklered aCIV.Manualvalve9560bnotrequiredtohobte.AOV~fatsdosedonbssofpower. Table7-2-Containment Isolation lPage4of6]P<<netratlon NumberDescrfptbnValveNumberPoslUonAtNormalOpefaUonContainment IsotsUonMaintained JusUUcatlon (Per67410)206a(top)207a(top)207b(bottom)SteamGenerator Inspecton IMaIntenance FuelTrar¹ferTubaChargkrgUneToBLoopSafetyIn(ectbnPump1BDischarge BirdRange870B889B000LockedCbsedViagt1ndRangeLockedCbsedViaBgndRangeCheckValveBothComponents AreCheckValves209(top)209(bototm)210Alternate ChargingToAColdLegOxygenMakeupToA8BR~rs1080A10214S10214811021SS1021SSILC00C0YesCheckValveMarwalvalve1080AbckaddosacLSolenoklvalves10214S,10214SI~10215S,and10215S1faldosedonlossolpower.LockeddosedvbbindflangeAOV.5879felsck¹adonk¹sofpower.AuxtbrySteamSupplyToContainment AuxlbrySteamCondensata RetrsnAHydrogenRacombiner (Riot8Main)81518165815281751076A1084A10205SI1020981LCLCLCLCLCLC00Bothmanualvahesarekxkeddosed.BothmanualvalvesarelockeddosecLMawalvalves1078Asnd1084Aarebckeddosed.Sdenoklvalves10205SIand10209SIfaicbsedonbssolpower.305b(top)Conbdnment AlrSampblrtetContrdnment AlrSamplePost.Accklent 15981597159815991554155615571559156015620000LCLCLCLCLCLCManualvalve1597bnotrrxtukadtobdate.AOV.1597felsebsedonbssofpower.BothAOVsfaldosedonbssofpower.Allsixmanualvalvesaralockeddosed.FireServkeWaterAOV-9227felsck¹edonbssofpower.Valve9229Isacheckvalve.ServloeWaterToAFanCoobrLOYesNon-radk¹ctlva, dosed-bop system.31Oa(bottom)Mkrl.Ptsge SrsrplyServiceAlrToCorralnment 7445747871417226OrCOrCLC0BothAOVsfaldosedonk¹sofpower.Msrwalvalve7141IsbckadcbsrxLValve7228bacheckvalve. Table7-2-Containment Isolation [Page5of6]Penetration NumberDescription ValveNumberPosltfonAtNormalOpefathnContainment Isobrtlon Maintained JustNcatlon ]Per87~]310b(top)IstrumentAirToContainment 00ADV5392felscbredonlossolpower.Valve5393Isacheckvalve.311312313ServkeWaterFromBFanCoohrServkeWaterTo0FanCoolerLeakageTestDepressurlzstkn BindRange7444LOLOYesNonrsdkectlve, dosed4oopsystemNonradlosctire, dosed4oopsystemLockedcbsedvhbindfbnge.315Servk>>WaterFrom0FsnCoolerLONon-radhacUve. cfosed4oop system.318ServiceWaterToBFanCoolerLONonradioactive, cbsed4oop systera317Le4ulgeTestSupplyBindRange7443Lockeddosedvhbindfhnge.318Deadw4gtd TesterLockeddosed.Penetrathn kweldedshut.319ServkeWaterFromAFsnCoolerLONon-radioactive, chsed4oop system.ServkeWaterToCFanCooler4641LONon-radloacUve, dosed-loop systemASteamGenerator B~5701573800Manualvalve5701lsnotrequLredtoIsohtmADV4738felscbsedonbssofpower.BSteamGenerator Bhwdown5702573700Manualvalve5702notrequkedtoIsohte.AOV4737fatscbsedonbssolpower.ServkeWaterFromDFsnCoolerLONon-radhacUve, closed-loop systemDemheratked WaterToContahment 84188419ADV8418falscbsedonlossofpower.Valve8419kdacheckvalve.Cont4nment PfesslteTransInttersPl'-944.PT.949,andPT-950PT-944PT-949PT-9501819E1819F1819GNANANA000Allvalvesarelessthan3'tsmeter. HydrogenMannerInstnrnerdatbn Lhes921922923924Allforaadenoidvalvesfslchsedcnbssolpower. Table7-2-Containment Isolation [Page6of6]Penstratton NumberDescrlptkm ValveNumberPosttkmAtNormalOperation Containment hohrtlonMalnlalned JustNcaOon Prer97410)401MstnSteamFromSteamGenerator A3505A350735173519352100000Contr4nment boundaryhSGsecondary ddesndtubes.Nocontahment holationhrequlr<<l, MainSteamFromSteamGenerator 83504A3509351B3519352000000Containment botsvlary hSGsecondary sideandtubes.Nocontahment Isohtionhrequired, Feedwster UneToSteamGenerator A3993399540000400340054011000000Containment boundaryhSGsecondary sidesndtubes.Nocontshment Isolathnhrequired. Feedwater LIneToSteamGenerator 8399239944000D4004400B4012000000Containment boundaryhSGsecondary sidesndtubes.Nocontahment lsoladonhrequtred. Personnel HatchLockeddosed.Penetration lsleaktested.Equfpment HatchLockeddosed.Penetration hleaktested. RG&EAnswersToTheNRC'sMarch21,1991StationBlackoutQuestions Attachment 6TREATAnalysisofStationBlackout STATIONBLACKOUTTREATSIMULATION SummaryofSignificantAnalysis. EventsandOperatorActionsDuringthe0.0Time(sec)Event/Action LossofallACresulting inreactortrip,RCPcoastdown, lossofmain'feedwater, andturbinetrip.500(8.3min.)1000(16.7min.)1300(21.7min.)2000(33.3min.)2500(41.7min.)3000(50min.)3500(58min.)5000(1.4hr.)5500(1.53hr.)7200(2.0hr.)8000(2.2hr.)14,400(4.0hr.)RCSloopflowreachesNCflowandremainstherefordurationoftheanalysis. Pressurizer empties,RCSpressuredecreases toPofhotleg.SGNRlevelreturnsonscale.Aux.feedwater reduced,from400gpmperSGto25lb/sec.(180gpm)perSG.RCSpressurereachesPforTAux.feedwater reducedto5lb/sec.(36gpm)perSG.RCSbeginsheatupandre-pressurization toARVsetpoint. Aux.feedwater reduced,to0.ARVsopen;terminates heatup.ARVsremainopenfordurationoftheanalysisremovingdecayheat.RCSpressurereducedtoPofTUpperPlenum"collapsed" leveldecreases asvoidsappear.Aux.feedincreased to36gpmperSG.Aux.feedincreased to72gpmperSG.Aux.feedreducedto57gpmperSG.Aux.feedstopped.UpperHeadreachessaturation and."collapsed" leveldecreases asvoidsappear.Analysisterminated bystartingofoneSIpump.
Conclusion Breakflowdecreases from6.6lbs/sec.(63gpm)to3.45lbs/sec.at4hr.following changesinRCSpressure. Voidingappearsintheupperheadandupperplenum.Thevoidsarecondensed intheSG.Naturalcirculation flowisneverlost.Voidingintheupperheadisapproximately 50.5%byvolumeafter4hr.Voidingintheupperplenumisapproximately 46.5%byvolumeafter4hr.aWa~l74 II2288.82888.8c1688.8MVl'VLNIN9,80.Pfp]~lt1488.81289.8fifjo<1898.82888.64668.8666B.S866B.STIIK(SEC)ISSGG.S12669.914668.8IQS,S 118e.ePKSTNS----PKSTNm<2) 1888.8iIIIwe.eI'gIIlli1848.8II1828.8MII1688.8III968.8IiI968.8948.8928.82668.846ee.e6689.86888.8TI%<SEC)STATIOHELNXOUT12866.814668.8
88.878.8N.BnVJ58.848.8A.B28.8Ie.e2666.8.4668.8-6668.88888.6T1%(KC)STATIONIUlXOUT12666.8 188.8ERR%.----EKQDL(2>88.8N.B58.848.8KB'8.8II18.8iIIl2888.84888.8aWB8888.8TltK(SEC)STATIONIUtXOUT12688.8 IIIII5888.8IIIIIgceee.e'VIM8.81800.8182000.84880.0we.e8000.0TIIIECKC)STAT10HELACKNT14880.8IWB.B @.6RGFL(71)58.848.8ifIII0PlJ'V20KBX3C28.818.8ee2888.84888.86888.88866.8TIN<SEC)STATIOHMXOUT12668.8 I.BOERP-S.BBE@7Cz'V006,BOER?2.88ER7Le266884888,86B68.88888.8TIIK(SEC)STATIONEUtm1T12688.8 'h1 668.8648.8628,8CVlIIAae.eIIIII0xI588.8568.8548.8528.8se.e2888.8.4888.86888.8TIE(SEC)SATINELAMN12888.8l4888.8i6888.8
55.8I'L'VJ58s8IdLUJIblrII845.8JIA2J48.8IIIIX335.8X.azs2888.84888.8aeee.eTINE(SEC)STATIONIU(XOUTI2888.8I4ae.e -IIQFL<BI> r.e6,56.85.54,54.83.525$,86888.88%8.8TIJOU(SEC)STATINRNXON12888.816888.8 58.848.838.828.818.84688.86888.8Tl/E(SEC)STATIOHMXOUT16668.812668.814688.8 -INfL(55)48.8z.e58.815.818.85.8259.84668.86868.88668.8TIE(KC)STATIOHELACKGUTlRECKGY 14NN.e 122M.BcIS88.80G.Qt698.8l488.8l288.8M8.82888.8/~0*e~~oaoq8TltjE(KC)STATIOHILACKOUMEN",ElN !HN8.0l28888
1188.8PKSTAP8----PKSTNN(2) 1888.8Ia)IIIIB68.8I'IsI>li1848.8II1828.8AI0I1888.8III988.8]Ii9N.8948.89f!8.82888.84888.86%8.88888.8TINE(SEC)STATI(jHELNXM4E(3lW 12888.814888.8 88.8N.S94848.8A.S28.818.8ee2888.84888.868%.8"'888.8TINE(SEC)STRTIONELNXOUT4ECMP IBNN.Bneee.e14888oB1688B.S
7008.06888oBIIIII58$.0IIIIIg48%.8Pl003008,02008.01088.0ee2008.04808.8awe8000,0TIIK(SEC)STATI(NELNX(NT4EGNERY 14888,0 688.8648.8628.8A8$.80xI588.8568.8548.8528.89882888.84888.86NN.B8888.8TIN(SEC)STATIONELNXOUT4EISGN 14se.e166M.B 55.8IU.58.8QlJIW3I-I45.8JI0.3,48.8IE335.8x.e25.92666.84668.6NS.B8688.8TltK(SEC)STATINMNXNT4ECOVERY 18666.812668oB14888.816B8L8 58.8n0IIIPlJ48.834828.818.888IIII2888.84888.8T1%<SEC)STATINTUKKQIT4EN'ERY 12888.814888.816888.8 ~rL(58)6.56.85.54.54.83.514488,83814688.814888,8INS.S152M.STI%(SEC)STATINMXOUT4ECOVERY IMS.S15688.815888.816888.8' h RG&EAnswersToTheNRC'sMarch24,1991StationBlackoutQuestions Attachment 7QualityAssurance Classification OfStationBlackoutEquipment StationBlackoutCopingEquipment QAStatus[Page1of2]Equipment IDDescrlpdon QualityAsswanceClasstrrcsthn Condense'te StorageTanksAFWSupplyToSGsSatetySignificant AFWSupplyToSGsSafetyChas3PLOIIMOVs3504A,3505AMOV~TDAFWPDCLubeOilPumpTDAWFPSteamSupplyTDAFWPDischarge ValveAFWSupplyToSGsAFWSupplyToSGsAFWRcwToSGsSafetyChas3SafetyChas2SafetyChas3AOVs4297,4299AOVs3516,3517TDAFWPFhwControlValveshenSteamIsolation ValvesAFWFkrwToSGsDecayHestRemovalSafetyClass3SafetyChas2SVs3509.3515PCVs3410,3411SGSteamRetefValvesSGAtmcspherh ReliefValvesDecayHeatRemovalDecayHestRemovalSafetyChas2SafetyChas2NrIhckupToARVs3410S,3411SPCVs9012,9013PCVs3410A,3411APCVs15003,15004BackupGasSupplyToSGARVsARVSolsnolds NrSupplyPresstzeRagtfadngValvesNrSupplyPreset!aRagtfagngValvesN,SupplyPresstzeRegrfsgng ValvesDecayHeatRemovalDecayHestRemovalDecayHeatRemovalDecayHestRemovalDecayHeatRemovalSafetySignlgcant SafetySlgni6cant SafetySlgrvgcant SafetySlgn5cant MORI3RCPumpSealReturnIsolagonValveRCPumpSealProtection SafetyChas2Batteries 1A,18DCPowerDistrhuthnPanelsIA,18125VDCPowerDhtrfbubon Emergency PowerSupplySafetyChas3Emergency PowerSupplySafetyChas3Irrverters IA,18Instrument Buses1A,18TEs409A.8and4'IOA,8PT~LTs426,433Inverters 120VACVitalBusesRCSHot5ColdLegTemperature Pressurtzer PresswePressurizer LevelEmergency PowerSupplySafetyChas3FfarkStatusMonitoring SafetyClassISafetyChas2SafetyChas2Emergency PowerSupplySafetyChas3LTs460,470PTs469,479NE-31~NM2LTs2022A,20228SGIA.18LevelSG1A,18PressureSourceRangeRuxDetectors CSTLevelRantStatusMonkorlng RantStatusMonkofngPbntSbtr>>Monkorlng RaraStatusMonkorlng PlantStatusMonkorfng SafetyChas2SafetyChas2SafetyChss3SafetyChas3SafetyClass3 wIg. StationBlackoutCopingEquipment QAStatustPage2of2]Eqtiprnent IDQualkyAsstsar>>e Casa@cation PCH018R&gfCBus18,Unit158Bus18,Unit15CChargkigPump18ChargingPump1CCharghgPump18CrcuitBreakerChargingPump1CCroitBreakerMaktn4rToRCSMakeupToRCSPowerToPCH018PowerToPCH01CSafetyCbss2SafetyCbss2SafetyCbss3SafetyCess3Bus18Bus18,Urit128480VACBusBus15/Bus18TleClrctitBreakerPowerToChargingPumpPowerToChargingPuirpSafetyCbss3SafetyCasa3Bus15Bus15,Unit3A480VACBusBus15/TSCIleCrcuftBreakerPowerToChargingPumpPowerToChargingPurrpNotNudearSafetyNotNudearSafetyTechnical SupportCenterDieselPowerToChargingPumpSafetySignificant TSC1Technical SupportCenterGenerator TSCStaticTransferSwitchPowerToChargingPunyPowerToChargingPumpSafetySlgniscsnt SafetySignificant 957aa,9573A,958BA,9584A,9586G,9584G,9510A,4048,9509C,9516D,9509F,95098DieselDrivenRreWaterPumpOutsideCondensate StorageTankPAuwslValvesAlternate CoosngWaterToTistineDrivenAFWPumpAlternate AFWSupplyToSGsAlternate AFWSipplyToSGsFromTCD03SafetySlgnigcant NotCbssffbdNotCbssiY>>d4078,40792291,7310,4318A,23132ih'ose(s)
- Hydrants, HoseStatlcns1'oseManualVabesManualValvesFireHosesFireWaterSupplyPointsAlternate AFWSg>pfyToSGsFromFireWaterSystemAlternate AFWSteeplyToSGsFromCityWaterSystemAlternate AFWStpplyToSGsFromFireWaterSystemAlternate AFWStppfyToSGsFromFireWaterSystemAlternate AFWSis>plyToSGsFromCiityWaterSystemAppendicR}}