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{{Adams
#REDIRECT [[NL-14-0753, Vogtle, Unit 1 - Cycle 19 Core Operating Limits Report]]
| number = ML14133A677
| issue date = 05/13/2014
| title = Vogtle, Unit 1 - Cycle 19 Core Operating Limits Report
| author name = Pierce C R
| author affiliation = Southern Co, Southern Nuclear Operating Co, Inc
| addressee name =
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000424
| license number =
| contact person =
| case reference number = NL-14-0753
| document type = Fuel Cycle Reload Report, Letter
| page count = 16
}}
 
=Text=
{{#Wiki_filter:CharlesR.PierceRegulatory AffairsDirectorMAY132014DocketNos.:50-424SouthernNuclearOperating Company,Inc.40Inverness CenterParkwayPostOfficeBox1295Birmingham,AL35201Tel205.992.7872 Fax205,992.7601U.S.NuclearRegulatory Commission ATTN:DocumentControlDeskWashington,D.C.20555-0001 VogtleElectricGenerating PlantUnit1Cycle19CoreOperating LimitsReportLadiesandGentlemen:
NL-14-0753 Inaccordance withTechnical Specification 5.6.5.d,SouthernNuclearOperating CompanysubmitstheenclosedCoreOperating LimitsReport(COLR)forVogtle ElectricGenerating Plant(VEGP)Unit1Cycle19,Version1.ThislettercontainsnoNRCcommitments.Ifyouhaveanyquestions, pleasecontactKenMcElroyat(205)992-7369.
Respectfully submitted.
C.R.PierceRegulatory AffairsDirectorCRP/GLS/
 
==Enclosure:==
 
CoreOperating LimitsReport,VEGPUnit1Cycle 19,Version1 U.S.NuclearRegulatory Commission NL-14-0753 Page2SouthernNuclearOperating CompanyMr.S.E.Kuczynski,
: Chairman, President&CEOMr.D.G.Bost,Executive VicePresident
&ChiefNuclearOfficerMr.T.E.Tynan,VicePresident
-Vogtle1&2Mr.B.LIvey,VicePresident
-Regulatory AffairsMr.D.R.Madison,VicePresident
-FleetOperationsMr.B.J.Adams,VicePresident
-EngineeringMr.S.C.Waldrup,Regulatory AffairsManager-VogtleRType:CVC7000U.S.NuclearRegulatory CommissionMr.V.M.McCree,RegionalAdministratorMr.R.E.Martin,NRR SeniorProjectManager-Vogtle1&2Mr.L.M.Cain,SeniorResidentInspector-Vogtle1&2 VogtleElectricGenerating PlantUnit1Cycle19CoreOperating LimitsReportEnclosure CoreOperating LimitsReport,VEGPUnit1Cycle19,Version1 VOGTLEELECTRICGENERATING PLANT(VEGP)UNIT1CYCLE 19COREOPERATING LIMITSREPORTVersion1February2014 Westinghouse Non-ProprietaryClass3APPENDIXAVOGTLEELECTRICGENERATINGPLANT(VEGP)
UNIT1CYCLE19COREOPERATING LIMITSREPORT(COLR)Version1February2014 COREOPERATING LIMITSREPORT.VEGPUNIT1CYCLE19FEBRUARY20141.0COREOPERATING LIMITSREPORTThisCoreOperatingLimitsReport(COLR)forVEGPUnit1Cycle 19hasbeenpreparedinaccordancewiththerequirements ofTechnicalSpecification5.6.5.
TheTechnicalRequirementaffectedbythisreportislistedbelow:
13.1.1SHUTDOWNMARGIN-MODES1and2TheTechnicalSpecificationsaffectedbythisreportarelistedbelow:
3.1.1SHUTDOWNMARGIN-MODES3,4and53.1.3Moderator Temperature Coefficient 3.1.5ShutdownBankInsertion Limits3.1.6ControlBankInsertion Limits3.2.1HeatFluxHotChannelFactor
-Fq(Z)3.2.2NuclearEnthalpyRiseHotChannnelFactor-f'^ah3.2.3AxialFluxDifference 3.9.1BoronConcentration Page1of11 COREOPERATING LMITSREPORT.VEGPUNIT1CYCLE19FEBRUARY20142.0OPERATING LIMITSThecycle-specificparameterlimitsforthespecificationslistedinSection1.0arepresentedinthefollowingsubsections.TheselimitshavebeendevelopedusingNRC-approvedmethodologiesincludingthosespecifiedin TechnicalSpecification5.6.5.
2.1SHUTDOWNMARGIN-MODES1and2 (Technical Requirement 13.1.1)2.1.1TheSHUTDOWNMARGINshallbegreaterthanorequalto 1.30percentAk/k.2.2SHUTDOWNMARGIN-MODES3.4and5(Specification 3.1.n2.2.1TheSHUTDOWNMARGINshallbegreaterthanorequaltothelimitsshowninFigures 1and2.2.3Moderator Temperature Coefficient (Specification 3.1.3)2.3.1TheModerator Temperature Coefficient (MTC)limitsare:
TheBOL/ARO/HZP-MTC shallbelesspositivethan+0.7x10"^Ak/k/°Fforpowerlevelsupto70%RTPwithalinearrampto0 Ak/k/°Fat100%RTP.TheEOL/ARO/RTP-MTC shallbelessnegativethan-5.50x10"^Ak/k/°F.'
2.3.2TheMTCSurveillance limitsare;The300ppm/ARO/RTP-MTCshouldbelessnegativethanorequalto
-4.75X10-"Ak/k/°F.'
The60ppm/ARO/RTP-MTC shouldbelessnegativethan-5.35x10"^Ak/k/&deg;F.'where:BOLstandsfor Beginning ofCycleLife AROstandsforAllRodsOutHZPstandsforHotZeroTHERMALPOWEREOLstandsforEnd ofCycleLife RTPstandsforRATEDTHERMALPOWER'Applicable forfull-power T-average of584.1to587.1&deg;F,Page2of11 COREOPERATING LIMITSREPORT.VEGPUNIT1CYCLE19FEBRUARY2014ShutdownBankInsertionLimits(Specification3.1.5) 2.4.1Theshutdownbanksshallbe withdrawntoapositiongreaterthanorequalto225steps.ControlBankInsertionLimits (Specification 3.1.6)2.5.1Thecontrolrodbanksshallbelimitedin physicalinsertionasshownin Figure3.HeatFluxHotChannelFactor-Fn/Zt(Specification 3.2.1)2.6.1Fo(Z)<-5K(Z)for?>0.5Fo(Z)<-^K(Z)forP<0.5where:P=-THERMALPOWERRATEDTHERMALPOWER2.6.2F^'"'=2.502.6.3K(Z)isprovidedin Figure4.KiZ)2.6.4Fo(Z)<-2IlJ.forP>0.5P-W{Z)F^"^-KCZ)Fo(Z)<-^forP50.50.5-W^Z)2.6.5W(Z)valuesareprovidedinTable2.2.6.6TheFq(Z)penaltyfactorsareprovidedinTable1.Page3of11 COREOPERATTNG LIMITSREPORT.VEGPUNIT1CYCT.F.192.7NuclearEnthalpyRiseHotChannelFactor-F(Specification3.2.2) 2.7.1SFi"(I+where:P=THERMALPOWERRATEDTHERMALPOWER2.7.2F^'-=\.65 2.1.3PF^=0.3FEBRUARY2014AxialFlux Difference (Specification 3.2.3)2.8.1TheAxialFluxDifference (AFD)Acceptable OperationLimitsare providedinFigure5.
BoronConcentration (Specification 3.9.1)2.9.1Theboronconcentration shallbegreaterthanorequalto1880ppm.^^Thisconcentrationboundsthecondition ofkeii^0.95(allrodsinlessthemostreactiverod)andsubcriticality(allrodsout)overtheentirecycle.This concentrationincludesadditionalboronto addressuncertainties andB'depletion.
Page4of11 COREOPERATING LIMITSREPORT.VEGPUNIT1CYCLE19Table1Fq(Z)penaltyfactorCycleBumup(MWD/MTU)Fq(Z)PenallyFactor 1.03481.03911.04171.04231.04101.03661.03081.02481.02001.02001.02041.02621.02611.02441.02141.0200FEBRUARY2014Notes:1.ThePenalty Factor,tobeappliedtoFq(Z)in accordancewithSR3.2.1.2,isthe maximumfactorbywhichFq(Z)isexpectedtoincreaseovera39EFPDinterval(surveillance intervalof31EFPDplusthemaximum allowableextensionnottoexceed25%
ofthesurveillanceintervalperSR3.0.2)startingfromthebumupatwhichtheFq(Z)was determined.2.Linearinterpolationisadequateforintermediatecyclebumups.3.Forallcycle burnupsoutsidetherangeofthetable,a penallyfactorof1.020shallbeused.Pagesof11 COREOPERATING LIMITSREPORT.VEGPUNIT1CYCLE19AxialPoint57-61Elevation (feet)12.072-11.267 11.06610.86510.66410.46210.26110.0609.8599.6589,4569.2559.0548.8538.6528.4508.2498.0487.8477.6467.4447.2437.0426.8416.6406.4386.2376.0365.8355.6345.4325.2315.0304.8294.6284.4264.2254.0243.8233.6223.4203.219 3.0182.8172.6162.4142.2132.0121.8111.6101.4081.2071.0060.805-0.000 Table2RAOCwrz)150MWD/MTU1.00001.3172131621.30181.28081.26151.24671.25031.2444L23731.22781.21681.20201.18931.19001.18891.19181.19401.19351.19141.18671.18021.17241.16331.15291.14521.14011.13441.13211.13091.13171.13861.14771.15611.16401.17101.17701.18261.18721.19251.19851.20571.21901.23371.24761.26161.27551.28931.30241.31491.32691.33801.00003000MWD/MTU1.00001.34951.34401.33501.31671.29121.26831.24311.21301.19791.18931.17631.166Z1.16701.17241.17611.17831.17801.17611.1728I.I6741.16041.15231.14591.13931.13261.12791.12521.12251.1258 1.13781.14841.15871.16831.17751.18561.19301.19941.20651.21591.22411.23771.25621.27941.30581.33281.35951.38581.41051.43361.45501.4742l.OOOOTopandBottom5PointsExcludedperTechnical Specification B3.2.1.12000MWD/MTU1.00001.32791.32441.3164I.30S11.29191.27751.26141.24381.23841,2286 1.21651.20921.21411.22301.22901.23321.23441.23361.23151.22591.21781.20831.19881.18961.18011.16961.16081.15601.15901.16431.17061.17531.17901.18151.18291.18331.18221.1795 1.17631.1722I.I7651.18891.20201.21491.22791.23991.25141.26271.27371.28431.29431.0000FEBRUARY20420000MWD/MTU1.00001.27281.26651.25611.24381.22941.21891.2150IJi0961.21441.22721.23591.23971.24261.24381.25001.25911.26701.28001.28951.29441.29501.29311.28901.28191.27191.25961.24781.24001.23491.23491.23481.23441.23331.23021.22541.21911.21001.19851.18611.17651.17761.18901.20191.21471.22751.23861.24911.26011.27141.28281.2945l.OOOOTheseW(Z)valuesareconsistentwithFigure5,andarevalidover tlieHFPTavgtemperaturerangefrom 584.1to587.1&deg;F.Page6of11 COREOPERATING LIMITSREPORT.VEGPUNIT1CYCLE19FEBRUARY2014FIGURE1REQUIREDSHUTDOWNMARGINFORMODES3AND4(FOURLOOPSFILLEDANDVENTEDANDATLEASTONEREACTORCOOLANTPUMPRUNNING)"S3-&deg;O2.0gmACCEPTABLE OPERATING REGION(2400,3.lb)IREQUIREDSHUTDOWNMARGIN(lioo,i.2b)UNACCEPTABLE OPERATING REGION(65d,1.3^0)50010001500RCSBORONCONCENTRATION (ppm)Page?of11 ACCEPTABLE OPERATING REGIONREQUIREDSHUTDOWNMARGINRCSBO1250,a.8B)0200N(ppm)(2$00Li.9phPage8of COREOPERATING LIMITSREPORT.VEGPUNIT1CYCLE19FEBRUARY2014FIGURESRODBANKINSERTION LIMITSVERSUS%OFRATEDTHERMALPOWER(FullyWithdrawn
)S180111h160mS<S140O120HHWg100<<80iiisaiaiaiyiigBSgS^^S SSS'Se'SSSSSSSSSSSSSSSSSSSI
!i3:sBwmmmumuutS3 BaianmHHHB
>0304050607080POWER(%ofRatedThermalPower)*Fullywithdrawn shallbethecondition wherecontrolrodsareatapositionwithintheintervalS225and<231stepswithdrawn.
NOTE:TheRodBank Insertion Limitsarebasedonthe controlbankwithdrawal sequenceA,B,C,Dandacontrol banktip-to-tip distanceof115steps.Page9of11 COREOPERATING LIMITSREPORT.VEGPUNIT1CYCLE19oO0.6FEBRUARY2014FIGURE4K(Z)-NORMALIZEDFq(Z)ASAFUNCTIONOFCOREHEIGHTFQ=2.50COREHT.K(Z)0.001.006.001.0012.0.92546COREHEIGHT(feet)Page10of11 COREOPERATING LIMITSREPORT.VEGPUNIT1CYCLE19FEBRUARY2014FIGURE5AXIALFLUXDIFFERENCE LIMITSASAFUNCTIONOF%RATEDTHERMALPOWERFORRAOCrt80<u^70dP50(+10,100)UNACCBPTMLE(-30,50)-40-30-20-100102030AXIALFLUXDIFFERENCE (percentAl)PageIIOfII}}

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