ML13053A296

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NRC Pre-Meeting Presentation 2-20-13
ML13053A296
Person / Time
Site: Ginna Constellation icon.png
Issue date: 02/20/2013
From:
Constellation Energy Nuclear Group, EDF Group, Ginna
To:
Division of Operating Reactor Licensing
Thadani M
References
Download: ML13053A296 (23)


Text

R.E.GinnaNuclearPowerPlant NFPA805 LicenseAmendmentRequest PreApplicationMeetingwithNRCStaff February20,2013

Introductions

CENGRepresentatives ll l k l

l ElliottFlick CENGGenl Manager-FleetEngineering TomMogren GinnaEngineeringManager MichaelLilley GinnaProjectManager,NFPA805 JarredJackson GinnaSupervisor,Licensing JeffStone CENGSupervisor,PRA Sean Gillen Ginna Supervisor Electrical Design SeanGillen GinnaSupervisor,ElectricalDesign RobCavedo CENGPRAPrincipleEngineer ProjectConsultants

- PaulAmico Sr.RiskConsultant,KGRS

- SuzanneLoyd RiskAnalyst,KGRS 2

Agenda OverviewofGinnaDesignFeatures CurrentFireProtectionLicensingBasis NFPA 805TransitionProjectOverview CompliancewithNFPA 805 ProbabilisticRiskAssessmentDevelopment/Results p

/

Implementation Overview Summary Summary 3

OverviewofGinnaDesignFeatures Single unit PWR 1775 MWt SingleunitPWR,1775MWt Westinghouse2loopNSSS Ultimate heat sink is Lake Ontario UltimateheatsinkisLakeOntario InitialOperatingLicenseissuedin1969 Renewed Operating License issued expires in 2029 RenewedOperatingLicenseissued-expiresin2029 4

GinnaCurrentFireProtectionLicensingBasis FireProtectionProgramStandardLicenseCondition 10CFR50.48(a)and(b) 10CFR50,AppendixA,GeneralDesignCriterion3 10CFR50,AppendixR BranchTechnicalPositionAPCSB9.51AppendixA pp CurrentExemptions OperatorActions-ExistingwithNRCapproval p

g pp 5

NFPA805TransitionProjectOverview License Amendment Request (LAR) committed LicenseAmendmentRequest(LAR)committed submittaldate-March29,2013 UsingtheNuclearEnergyInstitute(NEI)LARtemplate g

gy

(

)

p Preparationandinternalreviewactivitiesarein progress p

g WebportalhasbeenestablishedtosupportNRC review 6

NFPA805TransitionProjectOverview Fi P

t ti P

T iti FireProtectionProgramTransition

- LicenseConditionbeingrevised

- Technical Specifications being revised

- TechnicalSpecificationsbeingrevised

- Reviewedexistingexemptions

- WillnotbetransitioninganyexemptionstoNFPA805 7

CompliancewithNFPA805 NFPA805Chapter3Compliance

- ReviewperformedusingNEI0402,Revision2guidanceas supplementedbyFAQ070036 R

i d

t d i B 1 T bl (Att h

t A f LAR)

- ReviewdocumentedinB1Table(AttachmentAofLAR)

- Results

- One Modification -code compliance adding 2 sprinkler heads OneModification codecomplianceadding2sprinklerheads

- 108of120Sections/Subsectionscomplyorcomplywithevaluation

- 4Complywithclarifications 3 C l

ith P i NRC A l

- 3ComplywithPriorNRCApproval

- 5SubmitforNRCApproval 8

CompliancewithNFPA805 N

P O

ti NonPowerOperations

- ReviewperformedusingNEI 0402,Revision2guidanceas supplemented by FAQ 070040 supplementedbyFAQ07 0040

- ResultsofReview

  • Allsuccesspathsidentified
  • CompletecomponentlistbyKeySafetyFunction
  • HighRiskEvolutions
  • PinchPointsidentified
  • RecommendationstomanageFireRisk 9

CompliancewithNFPA805 Radioactive Release RadioactiveRelease

- ReviewperformedusingNEI 0402,Revision2guidanceas supplementedbyFAQ090056 pp y

- PlantevaluatedonaFireZonebasis

- Creditengineeringcontrolsforgaseousandliquideffluents

- RevisedPreFirePlansandTrainingmaterialtoclarify monitoringandcontrolrequirements Procedure changes and training program revisions are

- Procedurechangesandtrainingprogramrevisionsare complete 10

CompliancewithNFPA 805 NuclearSafetyCapabilityAssessment

- Review performed using NEI 0402, Revision 2 guidance as ReviewperformedusingNEI 04 02,Revision2guidanceas supplementedbyFAQ080054

- FireAreaReview C

E l

- CommonEnclosures

- SuppressionInitiationEffects

- ExtensiveBreakerCoordinationAnalysisperformed M l i l S i

O i

i

- MultipleSpuriousOperationsreview

- Results:

  • NoFireAreastobetransitioneddeterministically
  • All16FireAreastobetransitionedusingRiskInformed(RI)

PerformanceBased(PB)method 11

CompliancewithNFPA805 SafeandStable(STS):

- Originally defined as Cold Shutdown OriginallydefinedasColdShutdown

- WhilecompletingNSCA,changedtoHotShutdown NFPA805guidancepointstoHotStandbyforPWRs

- STSdefinesHotStandbyas:

  • Mode 3
  • RxMwt N/A
  • RCSTemp>350°F Gi H

Sh d

ll f h STS d fi i i GinnaHotShutdownmeetsalloftheSTSdefinition TitlesofModes3and4arereversedatGinna.

12

CompliancewithNFPA805 Recovery Actions RecoveryActions

- ReviewperformedusingNEI 0402,Revision2guidanceas supplementedbyFAQ070030

- PrimaryControlStation

  • 3AppendixRAlternateShutdownLocations 7 U i R

ti

- 7UniqueRecoveryactions 13

CompliancewithNFPA 805 MonitoringProgram F ll i

FAQ 10 0059 R i i 5

id

- FollowingFAQ100059,Revision5guidance

- NSEL andFPRA Components

- IncludeanynewfunctionsinexistingMaintenanceRuleProgram y

g g

- NPOComponents,Rad ReleaseSystems,FPProgram Components I

l d i l S d P H

l h M i

i

- IncludeinnormalSystemandProgramHealthMonitoring

- FPSystemsandFeatures

- LowSafetySignificant-NormalSystem/ProgramHealthMonitoring y

g y

/

g g

- HighSafetySignificant-NFPA805SpecificMonitoringProgramthat usestheMaintenanceRuleProgramsoftware 14

PRADevelopment/Results FirePRAbuiltonahighqualityInternalEventsmodel

- FullpeerreviewtoRG1.200,Revision1in2009

- FocusedscopepeerreviewtoRG1.200,Revision2in2011 Fi PRA i

d b PWROG i J 2012 FirePRApeerreviewedbyPWROGinJune2012

- Totalof44Facts&Observations(F&Os)

  • 19 Findings
  • 19Findings
  • 22Suggestions
  • 3 BestPractices

- AllF&Os subsequentlyaddressed

- Nounreviewed methodsused 15

PRADevelopment/Results Overall Plant Risk PostTransition OverallPlantRiskPostTransition

- TotalFireCDF=3.35E5/yrandLERF=1.27E6/yr

- Total CDF = 5 05E5/yr and LERF = 3 25E6/yr

- TotalCDF=5.05E5/yrandLERF=3.25E6/yr

- Sufficientmargintoaccountfornonquantified hazards TheresultsoftheRIPBevaluationmeetthe requirementsofNFPA805andRG1.174 16

PRADevelopment/Results Deltariskincludesinternaleventsriskreduction from NFPA 805 modifications fromNFPA805modifications Metric FireDelta IE Delta NetDelta CDF 1.53E5/yr 6.05E6 9.22E6/yr Fi d lt P

t t iti C

li t ( ith 805 M d )

LERF 9.25E7/yr 3.30E7 5.95E7/yr

- Firedelta=Posttransition Compliant(with805Mods)

- IEdelta=Current Posttransition 17

ImplementationOverview ModificationsPlanned 17 Total Modifications Credited in FPRA

- 17TotalModificationsCreditedinFPRA

- 1PreviouslymentionedforNFPACodecompliance

- 2modificationscreditedwerealreadyinprogress Process/ProcedureChanges Training

- Training

- OperatorResponseforRecoveryActions

- FireBrigadeResponse g

p

- DesignChangeProcess 18

MajorModificationsCredited PowerfortheStandbyAuxiliaryFeedWater(AFW) pumps will be able to be supplied by a dedicated Diesel pumpswillbeabletobesuppliedbyadedicatedDiesel Generator(DG)intheStandbyAFWpumproomwith availableconnectionsforasecondportableDG InstallshutdownsealsonbothReactorCoolantPumps tominimizesealleakageduringafireinducedlossof sealinjection 19 19

MajorModificationsCredited InstallastandbyhighheadpumpintheSBAFWbuilding to be free from the effects of a fire outside the charging tobefreefromtheeffectsofafireoutsidethecharging pumproom InstalldisconnectsintheControlRoomforPORVs,,

Letdownorificevalves,LetdownIsolation,andExcess letdownisolation.

Installadditionalprotectedindicationinthecontrol roomforPressurizerpressureandsteamgeneratorlevel 20 20

MajorModificationsCredited Installovercurrent protectionforbothDGsthatisnot impacted by a fire outside the DG Rooms impactedbyafireoutsidetheDGRooms Provide a diverse Reactor trip from protected Pressurizer ProvideadiverseReactortripfromprotectedPressurizer highpressuresignaltoopenRodDriveMGsupplyAC.

UpgradedesignofHEMYCforspecifiedcircuitsin BatteryRoomB.

y 21 21

MajorModificationsCredited ProvideautoisolationofspecifiedContainment Isolation/Containment Ventilation Isolation valves on Isolation/ContainmentVentilationIsolationvalveson lowPressurizerpressuresignal.

ProvideanautoclosureofPORVsonPressurizerlow pressuresignal.

ProvideautomaticclosureoftheMSIVson2of2lowSG waterlevelprotectedchannels.

22 22

Summary CompleteLARtobesubmittedonorbeforeMarch 29, 2013 29,2013 NoalternativeFirePRAmethods Significant Modifications planned SignificantModificationsplanned TransitionSchedule

- Implement procedure/process changes 6 months after SER Implementprocedure/processchanges6monthsafterSER

- Completionofmodificationsby1st RefuelingOutagemore than12monthsafterSER 23