ML15264A687

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v t e Letter Sequence Meeting
TAC:MF6057, (Open) TAC:MF6058, (Open)
Initiation Acceptance Supplement Administration Meeting, Meeting, Meeting Questions 17 August 2015 17 August 2015 26 August 2015 Answers 16 October 2015 16 October 2015 Results Approval... Other: ML15091A660, PLA-7393, Enclosure 3, Revised (Clean) Copy of the SSES EAL Basis Document Which Includes the Changes Made in Enclosure 2
MONTHYEAR2015-04-14 [Table View]

SSES Slide Presentation in Support of 9/23 Public Meeting EAL Scheme Change LAR
Person / Time
ML15264A687
Site:	Susquehanna
Issue date:	09/21/2015
From:	Susquehanna
To:	Plant Licensing Branch II
Whited J
References
TAC MF6057, TAC MF6058
Download: ML15264A687 (18)
v • d • e

Text

DISCUSSION OF ADDITIONAL PROPOSED CHANGES TO THE SUSQUEHANNA STEAM ELECTRIC STATION (SSES)

EMERGENCY ACTION LEVEL (EAL) BASIS DOCUMENT SINCE SUBMITTAL OF LICENSE AMENDMENT REQUEST TO ADOPT NEI 99-01, REVISION 6, EMERGENCY ACTION LEVEL SCHEME CHANGE (TAC NOS. MF6057 AND MF6058)

SUSQUEHANNA NUCLEAR, LLC REQUEST FOR PUBLIC MEETING

2 SeveralproposedchangesarebeingmadetotheSSESEALBasis documentasaresultofthefollowing:

CorrectiveactionstakeninresponsetotheNRCEPWhite finding,and SusquehannaNuclear,LLC,EmergencyOperatingProcedure (EOP)upgradeprojecttoRevision3oftheBWROG EmergencyProcedureGuidelines(EPGs)/SevereAccident Guidelines(SAGs).

TheseproposedchangesdonotrequirepriorNRCapprovaland wereidentifiedafterSSESsubmittedalicenseamendmenttothe NRCtoadopttheNEI9901,Rev.6EALschemechange.(ML#15091A657)

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

3 Section3.1.1-Addedlanguagedirectlyfromthe NSIR/DPRISG01InterimStaffGuidance EMERGENCYPLANNINGFORNUCLEARPOWER PLANTSRev.0(November2011)SectionIV.H EmergencyDeclarationTimelinesstoprovide completeclassificationtimelinessguidance.This changewasmadeasaresultofcorrectiveactions takenbySusquehannaNuclear,LLCinresponseto theNRCEPWhiteFinding.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

4 EALSS6.1-UpdatedtheHeatCapacity TemperatureLimitfigure.Thischangewasmade asaresultoftheSSESEOPupgradeprojectto conformtoRevision3ofthegenericBWROG EPGs/SAGs.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

5 EALSU6.1Bases-Addedlanguagecurrentlyinthe NRCapprovedSSESEALbases(NEI9901,Rev.4 version)thatclarifiesthattheEALisnotapplicable ifamanualscramisinitiatedandnoRPSsetpointis exceeded.Thischangewasmadeasaresultof correctiveactionstakenbySusquehannaNuclear, LLC,inresponsetotheNRCEPWhiteFinding.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

6 Table F1FissionProductBarrierThresholdMatrix-RevisedPCLoss#2forPCIntegrityorBypassthat intentionalPrimaryContainmentventingcanbe initiatedviavariousEPDSorEOproceduresnotjust EPDS004.Thischangewasmadeasaresultofthe SSESEOPupgradeprojecttoconformtoRevision3 ofthegenericBWROGEPGs/SAGs.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

7 FuelCladLossonReactorVesselLevelBases-UpdatedtheSAGentryconditions.Thischange wasmadeaspartoftheSSESEOPupgradeproject toconformtoRevision3ofthegenericBWROG EPGs/SAGs.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

8 FuelCladLossJudgmentBases-Addedlanguage currentlyintheNRCapprovedSSESEALbases(NEI 9901Rev.4version)thatclarifiesactionstotake on lossofwaterlevelindicationduetoanelectrical problem.Thischangewasmadeasaresultof correctiveactionstakenbySusquehannaNuclear, LLC,inresponsetotheNRCEPWhiteFinding.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

9 FuelCladPotential LossJudgmentBases-Added languagecurrentlyintheNRCapprovedSSESEAL bases(NEI9901Rev.4version)thatclarifies actionstotakeonlossofwaterlevelindicationdue toanelectricalproblem.Thischangewasmadeas aresultofcorrectiveactionstakenbySusquehanna Nuclear,LLC,inresponsetotheNRCEPWhite Finding.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

10 ReactorCoolantSystem(RCS)Loss#2onRCSLeak RateBases-Deletedthephraseandkeepthem opentoeliminatethepossibilityofnotdeclaring thebarrierlostifallSRVsarenotcontinuouslykept openduringemergencyreactorpressurevessel (RPV)depressurization.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

11 RCSPotentialLossforRCSleakageBases-Relocatedthephrase(EALtrigger)andaddedthe sentenceIfitcannotbedeterminedwithin15 minutesoftheEALTriggerthattheleakisisolable andnottheresultofaconditionpreviously described,theEALshallbedeclared.Thischange wasmadeasaresultofcorrectiveactionstakenin responsetotheNRCEPWhiteFinding.Nointent change.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

12 RCSLossJudgmentBases-Addedlanguage currentlyintheNRCapprovedSSESEALbases(NEI 9901,Rev.4version)thatclarifiesactionstotake onlossofwaterlevelindicationduetoanelectrical problem.Thechangewasmadeasaresultof correctiveactionstakenbySusquehannaNuclear, LLC,inresponsetotheNRCEPWhiteFinding.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

13 PrimaryContainmentPotentialLossonReactor VesselLevelBases-UpdatedtheSAGentry conditions.Thischangewasmadeasaresultofthe SSESEOPupgradeprojecttoconformtoRevision3 ofthegenericBWROGEPGs/SAGs.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

14 PrimaryContainmentLossforRCSleakageBases-RevisedMaxSafelanguagetoaligntheMaxNorm languagewithrespecttoEALtriggeranddeclaration requirements.Thisincludesdeletingthefollowing sentences:

Ifsubsequentactionstakentoisolatetheleakare successful,thethresholdforthisEALisstillmetand mustbedeclared.Onceleakageisisolated, downgradingtheemergencymaybeappropriate.

ThischangewasmadeinresponsetotheNRCEP WhiteFinding.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

15 PrimaryContainmentLossforRCSleakageBases-RevisedMaxSafelanguagetomatchMaxNorm language.

AddedthesentenceIfsubsequentactions takentoisolatetheleakaresuccessfulwithin the15minuteclassificationperiod,thisEAL shouldnotbedeclared.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

16 PrimaryContainmentPotentialLossonPrimary ContainmentConditionsBases-Revisedthe procedurethatdefinesdeflagration(Hydrogenand Oxygen)limitsaspartoftheSSESEOPupgrade projecttoconformtoRevision3ofthegeneric BWROGEPGs/SAGs.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

17 PrimaryContainmentLossonPCConditions-UpdatedtheHeatCapacityTemperatureLimit figure.Thischangewasmadeasaresultofthe SSESEOPupgradeprojecttoconformtoRevision3 ofthegenericBWROGEPGs/SAGs.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

18 PrimaryContainmentLossonPCIntegrityor BypassBases-Revisedtostatethatintentional PrimaryContainmentventingcanbeinitiatedvia variousEPdamageproceduresoremergency operatingproceduresandnotjustEPDS004, PrimaryContainmentandRPVVenting.This changewasmadeasaresultoftheSSESEOP upgradeprojecttoconformtoRevision3ofthe genericBWROGEPGs/SAGs.

SUSQUEHANNA NUCLEAR, LLC PUBLIC MEETING TO DISCUSS PROPOSED CHANGES TO THE SSES EMERGENCY PREPAREDNESS EAL BASIS DOCUMENT

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