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See also: [[ | See also: [[see also::IR 05000400/2008301]] | ||
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Revision as of 09:29, 12 July 2019
ML082200264 | |
Person / Time | |
---|---|
Site: | Harris |
Issue date: | 08/07/2008 |
From: | - No Known Affiliation |
To: | NRC/RGN-II |
References | |
50-400/08-301, ES-D-1 50-400/08-301 | |
Download: ML082200264 (103) | |
See also: IR 05000400/2008301
Text
Final Submittal(BluePaper)
JlAil2l S;Za98--30 f O(eQJ-}c" lI1 5{e&J
5/10-sjsFINAL SIMULATOR SCENARIOS
I Appendix DScenarioOutlineFormES-D-1
I Facility: HARRISScenarioNo.:1OpTestNo.:2008NRC Examiners:
Operators:
Initial Conditions:IC-20:100%power,EOL*TDAFWPumpclearedandtaggedtoreplacetappetnutontripvalve.54hoursremainingonTS3.7.1.2Actiona.
- 4GPDtubeleakageinSG"C"forpast30days.
ChemistryhasCRC-804ineffect.
- RadiationMonitorRM-01MS-3593SB,MSL"C"Monitor,wasdeclaredinoperablelastshift.TS3.3.3.6Actioncineffect.
Turnover:*Maintain100
%power.CriticalTasks:
- Establish feedwaterflowtoatleastoneSGbeforeRCSfeedandbleedisrequired.
- IsolateAFWtoSG"B"priorto
terminating
HHSI.EventMalt.Event
Event No.No.Type*Description
1 N/A N-SRO, Load DispatcherdirectsrapidpowerreductionduetoafireataBOPmajorswitchingstation
R-RO 2 CNS015 TS-SROLossofControlPowerto
ContainmentSprayPump"A"duringpowerreduction
3 CCW08A C-RO, Component Cooling WaterLeakintherunningpumpsuction
SRO header TS-SRO 4 GEN01 C-BOP, Main Generator Voltage Regulator failure SRO 5 NIS08C I-RO,PRNISChannelN-43failsHI
SRO 6 FT:497 I-BOP,ControllingFFChannelfailsLO
SRO 7 RCS03 M-ALLRCP"C"Lockedrotor
8 CFW01A C-BOPMDAFWPump"A" breaker trips ZR211158MDAFWPump"B"AUTOstartfails
ZDSQ2:13b 9 MSS11 M-ALLMSLBOutside
ContainmenVNoMSIVcanbeclosedfromtheControlRoom2008HARRISNRC
SCENARIO1Page1 at 36 REVISION 2
I Appendix DScenarioOutlineFormES-D-1
I 10 MSS058 C-BOPMSIV"B"stuckOPEN
ZRPK616AFailureofAUTOAFWBlockonSG"B" ZRPK6168*(N)ormal,(R)eactivity,(I)nstrument, (C)omponent, (M)ajorHARRIS2008NRC
SCENARIO 1 SUMMARYThecrewwillassumethewatchat100
%power,with
directionstomaintaincurrent
conditions.
The Turbine-drivenAFWPumpisclearedandtaggedforrepairofthetappetnutonthetripvalve.TS 3.7.1.2.aisineffect.Thereisa4GPOtubeleakinSteam
Generator'(SG)"C"thathasbeenstablefor30days.Chemistryismonitoringin
accordancewiththeirprocedures.TheradiationmonitoronMainSteamLine"C"failedlastshift.
TS3.3.3.6.cisineffect.
ShortlyafterthecrewassumesthewatchtheLoad
Dispatcherwillcallwith
directions
toreducepowertos
50%withinthenexthourduetoafireinamajorswitchingstation.TheSROshoulddirectthepowerreductionin
accordancewithAOP-038,RAPID
DOWNPOWER.Aftera100MWreductionoratevaluationteamdiscretion,theLoad
Dispatcherwillcallandtellthemtoholdatthecurrentlevel.TheLeadEvaluatorwillcuethelossofcontrolpowerto
ContainmentSprayPump"A"whenready.Thecrewshouldrespondin
accordancewiththealarmresponse
procedureandtheSROshouldenterTS3.6.2.1..Afterthe ContainmentSprayPumpTSdeclaration,theLeadEvaluatorcancuetheleakintheCCWSuctionHeader.Theleakwillbelessthanmakeupcapability.ThecrewshouldrespondtotheCCWSurgeTanklevelchangeand/oralarmandenterAOP-014,LOSSOF COMPONENTCOOLINGWATER.Afield
operatorwillreporttheleaklocationshortlyafterbeingdispatched.Thelocationoftheleakwillrequireshiftingthe
operatingpumpsandlocallyclosingisolationvalves.TheSROshouldenterTS3.7.3.AftertheCCWleakhasbeenisolatedandtheTS
declarationiscomplete,theLead
Evaluatorcancuefailureofthe
AutomaticVoltageRegulatorontheMainGenerator.Thecrewshouldrespondin
accordancewithalarmresponseprocedures,placethevoltageregulatorinMANUAL,andrestore
parameterstothenormalband.AfterMain Generatorvoltageisundercontrol,theLead
EvaluatorcancuefailureofthePowerRangeNISchannel.Thecrewshouldrespondtotheuncontrolledrodmotionin
accordancewithAOP-001, MALFUNCTIONOFROD CONTROL AND INDICATIONSYSTEM.ThecrewshouldrestoreTavgwithRodControlinMANUAL.ItisnotrequiredthatthechannelberemovedfromservicetocontinuethescenarioandtheTS
declarationisnotrequiredtomeettheminimumscenariorequirements.Whentheplantisinastablecondition,theLeadEvaluatorcancuetheSG"C"FFchannelfailure.Thecrewshouldrespondin
accordancewiththealarmresponse
procedure,controllingSG"C"levelwiththeFRVinMANUALandmayswitchcontrollingFFchannelstorestorecontroltoAUTO.Itisnotrequiredthatthechannelberemoved2008HARRISNRC
SCENARIOtPage2of36REVISION2
I Appendix DScenarioOutlineFormES-D-1
Ifromserviceto
continue the scenarioandtheTS declarationisnotrequiredtomeetthe
minimum scenario requirements.WhenSG"C"levelisundercontrolorinAUTO,theLead
EvaluatorcancuetheRCPlockedrotor.Thiswillresultinan
automaticreactortriponRCSflow.ThecrewwillperformthePATH-1
immediateactionsand
transitiontoEPP-004,REACTORTRIP.InEPP-004thecrewshould
manuallystartMDAFWPump"B"orinitiateMFWflowusingtheFRVBypassValves.InEPP-004alargesteamleakwilldevelopoutsideof
containment.
All MSIV'swillfailtoclosewhen
the crew attemptstostopthecooldown.
After diagnosisthecrewshouldinitiatea
MANUALSI,returntoPATH-1, transition
toEPP-014,FAULTEDSTEAM
GENERATOR ISOLATION,andthentoEPP-015, UNCONTROLLED
DEPRESSURIZATIONOFALLSTEAM
GENERATORS.
Shortlyafterafield
operator is dispatchedMSIV's"A"and"C"willclose.Thecrewthenwill
transitionbacktoEPP-014,FAULTEDSTEAM
GENERATOR ISOLATION,andisolateSG"B".Atsomepoint
81 Terminationcriteriawillbemet.The
scenariocanbe terminatedwhennormal
charging is established.
2008 HARRIS NRC SCENARIO 1Page3of36 REVISION 2
Appendix D Scenario Outline2008HARRISNRC
SCENARIO1SETUPFormES-D-1
SPECIAL INSTRUCTIONS:*ClipacopyofGUIDE-1
Attachment1(SI Alignment)
and Attachment
6 (Safeguards
Actuation Verification)toeachscenarioguideforusebythe
evaluators.
INITIAL CONDITIONS:*IC-20: 100°10power,EOL*Tag TDAFWPumponthe MC8*Reactivity
Plan*Turnover Sheet*Ensurerodstep
countersresettothe
correct value PRE-LOAD:*imfcfw01C:
TDAFWPumpunder clearance*irfrms171:
Steamline"C"Rad MonitorfailedHIGH*imf cfw01A-MDAFWPump"A" breaker trip coincidentwithAUTOorMANUAL
start*imf zr211158 FAIL_ASIS-MDAFWPump"8"failstoAUTOstartfromSGLevelorLoad Sequencer*imf zdsq2:13b FAIL_ASIS-MDAFWPump"8"failstoAUTOstartfromSGLevelorLoad
Sequencer*imf zrpk616a FAIL_ASIS-AUTOAFWIsolationforSG
"8" fails*imf zrpk616a FAIL_ASIS-AUTOAFWIsolationforSG"8"fails
TRIGGERS:*Event2:irfcns015CP
_OFF-LossofcontrolpowertoCTSprayPump"8"*Event3:imf
ccw08ACCWsuction
headerleakonAtrain(50GPM)*Event4:imfgen01Main
GeneratorAUTOVoltage
Regulatorfailure-130°/0 over5minutes*Event5:imfnis08C-PRNISN-43failsHIGH
(200°/0)*Event6:imfFT:497SG"C" ControllingFeedFlowChannelfailsLO
(0°/0)over15 seconds*Event7:imfrcs03PUMP3-LockedrotoronCRCP*Event9:MainSteambreak
outside CNMT(sizeto preventREDor ORANGE on Integrity)*imfmss11(Initial:40.0E04,rampto4.0E06overoneminute)*imf mss05a-MSIV"A"failstoclose*imf mss05a-MSIV"8"failstoclose*imf mss05a-MSIV"C"failstoclose*Allow closureofMSIV"A"and"C"*TRG=10dmf mss05a*TRG=10dmf mss05a*Field actions for GUIDE 1, Attachment
62008HARRISNRC
SCENARIO 1Page4of36REVISION2
AppendixDScenarioOutline
Form ES-D-12008HARRISNRCSCENARIO1EVENT1-POWERCHANGE
Booth Operator Instructions:*Call theMCRas the Load Dispatcher.Thereisa problem on the griddueto a transformer
fireata major switching station not directly associated
with the HARRIS plant.Reduce load to 50%within one houratarate of 25 MW/minute.
Report back when complete.*When loadhasbeen reducedby100MWe oroncue from the Lead Evaluator,callas the Load Dispatcher
and tell themtoHOLDat the current level until further notice.Indications
Available:
Call from Load Dispatcher.SROEntersAOP-038,RAPIDDOWNPOWER.PROCEDURENOTE:
- This procedure contains no immediate actions.Steps may be performed simultaneously
or out of sequence at the discretion
of the Superintendent
-Shift Operations.
EVALUATOR/BOOTHOPERATORNOTE:The
crew may make calls to notify plant management
before or during the power reduction.
Acknowledge
anc;l request a report when more information
becomes available.REFERTOPEP-110,EmergencyClassificationAndProtectiveSROActionRecommendations,ANDENTERtheEALNetworkatentrypointX.SRONOTIFYLoadDispatcherthattheUnitisreducingload.(N/A)PROCEDURENOTE:
Boration of the RCS commences at Step 10.EVALUATOR'SNOTE:The crew mayuseOP-107, Section 8.21-RAPIDADDITIONOFBORICACIDTORCS,to
estimate the boration and perform the steps.2008HARRISNRCSCENARIO1Page5of36REVISION2
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO1EVENT1-POWERCHANGE
RO/SRO RO DETERMINErequiredboricacidadditionfordesiredpowerreduction,asfollows:
CHECKBOTHofthefollowing
conditions
exist:*Reactorpoweris100%.
- TargetpowerlevelisprovidedinOPT-1525,ReactivityPlanGenerationWeeklyIntervalMODE1atFullPower
(50%, 30%or5%).OBTAINvaluesfrom
Attachment2,GallonsofBoric
AcidlTargetRodHeightRequiredforPowerReduction.*DesiredBorationgal
- TargetRodheight(DBank)_PROCEDURENOTE:
- If load reduction rates in excess of 45 MW/min are required, the Unit should be tripped.IfOSI-PIis
available, the followingpathin PLANTSTATUS.PIW
will assess VIDAR functionality:
flat-lining,VIDARis NOT functioning
properly.IfOSI-PIisNOT
available, accessing theANALOGINPUTS
screen on the Graphics Display Computer (located in the Termination
CabinetRoomnear theATWSPanel)
will show several points, most of which should be updatingifthe VIDAR Unit is functioning
properly.PROCEDURECAUTION:
Failure of the DEH computer VIDAR Unit whileinOPERAUTOhas resultedina plant trip.BOP CHECKBOTHofthefollowing:*DEHSysteminAUTO(YES)*VIDARfunctioningproperly(YES)BOPPERFORMthefollowingattheDEHpanel:
- DEPRESS the LoaoRateMW/MINpushbutton.2008HARRISNRC
SCENARIO1Page6of36REVISION2
Appendix D Scenario OutlineFormES-D-12008HARRISNRC
SCENARIO 1 EVENT1-POWER CHANGE*ENTERdesiredrate(NOTtoexceed45
MW/MIN)inDEMANDdisplay.
- DEPRESS ENTER pushbutton.
- DEPRESS REF pushbutton.
- ENTERdesiredload(120MWifshuttingdown)inDEMANDdisplay.
- DEPRESS ENTER pushbutton.
- CHECK HOLD pushbutton
LIT.RO CHECKRodControlinAUTO.(YES)
RO ENERGIZE ALL availablePRZBackupheaters.
SRO DISCUSS Attachment3,ReactivityBrief,withtheMCRstaff.PROCEDURENOTE:
With the Megawatt and Impulse Pressure Feedback Loops out of service, the MW indication
in the REFERENCE display will not reflect actual MW output.An accurate indication
of Main Generator output can be obtained from ERFIS point JEE15688 (Gross MWe).BOP COMMENCE turbineloadreductionattheDEHpanel:
- CHECKOPERAUTOMode
AVAILABLE.(YES)*DEPRESS GO pushbutton.
- VERIFYthevalueinthe
REFERENCE display LOWERS.PROCEDURENOTE:
- To prevent over-boration, only the amount of boron required to reduce power to the desired power level should be added.*Adjustments
shouldbemadeto boric acid flow based on actual core/rod responses.
RO COMMENCE RCS borationasrequiredtomaintainControlRodsabovetheRodInsertionLimit(CurveF-X-1).
2008 HARRIS NRC SCENARIO1Page7of36
REVISION 2
AppendixDScenarioOutlineForm.ES-D-12008HARRISNRCSCENARIO1EVENT1-POWERCHANGE
" EVALUATOR'SNOTE:The following boration steps are provided for evaluator use.They are notinAOP-038.PROCEDURENOTE:
RO RO RO RO RO RO RO RO RO If performing
a rapid shutdown of the plantper 038, the following calculation
does not havetobe completed before boration begins, but should be completed before half of the estimated (or before 500 gallons whichever is less)boron additionhasbeen dispensed.
DETERMINEthevolumeofboricacid
necessarytoachievetherequiredRCSboron
concentration.ENTERtheamount
determinedinpreviousSteponAttachment
13.VERIFYthebackupBoricAcid
TransferPumpcontrolswitchisinSTOP.STARTtheBoricAcid
TransferPumpalignedforAutoMake-up(switchinAUTO)byplacingthecontrolswitchtoSTART.OPEN1CS-278SB, EMERGENCYBORICACIDADDITION.RECORDtheBoricAcidflowratefromFI-110on
Attachment
13.CALCULATEtheamountoftimeinminutesitwilltaketo
delivertherequiredamountofBoricAcid.WHENthecalculated
amountoftimehaselapsed,THENSHUT1CS-278SB.
'STOPtheBoricAcid
TransferPumpstartedpreviously.2008HARRISNRC
SCENARIO 1Page8of36REVISION2
Appendix 0ScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO1EVENT1-POWER
CHANGE VERIFYBoricAcidpumpsinthefollowingalignment:
RO*onepumpisinAUTO.
- onepumpisinSTOP.
RO REQUEST ChemistrytosampletheRCSboronconcentration.ROPLACE ReactorMakeupinAutoperSection5.1.
EVALUATOR'SNOTE:The following boration.stepsare provided for*evaluatoruse.Theyare
notinAOP-038.TheRO
will use either section 8.21 (above)or section 5.6 (below).*SETFIS-113,BORICACIDBATCHCOUNTER,toobtain
the desired quantity.*SET controller1CS-283,FK-113BORICACIDFLOW,for
the desiredflowrate.*VERIFYtheRMW
CONTROLswitchhasbeenplacedintheSTOPposition.*VERIFYtheRMW
CONTROLswitchgreenlightislit.*PLACEcontrolswitchRMWMODE
SELECTORtotheBORposition.*STARTthemakeupsystemasfollows:*TURNcontrolswitchRMW
CONTROLtoSTART momentarily.
- VERIFYtheREDindicatorlightisLIT.CREWVERIFY
GeneratorloadANDReactorpowerLOWERING.
BOP MAINTAIN Generatorreactiveload(VARs)withinguidelines.PROCEDURENOTE:
Opening3Aand 38 Feedwater Heater vents helps minimize water hammerin3Aand 38 Feedwater Heaters.2008HARRISNRC
SCENARIO 1Page9of36REVISION2
Appendix D Scenario OutlineFormES-D-12008HARRISNRC
SCENARIO 1 EVENT1-POWER CHANGEWHENTurbineloadislessthan95%,THENDISPATCHan
SRO operatortoopen3Aand
38 FeedwaterHeaterventsperOP-136,Shutdownof
FeedwaterHeaters3Aand38.
RO CHECKTavgwithin5
ofofTref.(YES)
CREW NOTIFY Chemistryofthe following:
- Reactorpowerchangewillexceed
15%inaonehour
period.Thefollowing
surveillances
specifiedinthe applicable
sectionsrequireperforming:
- RST-204,Reactor
Coolant System Chemistry and Radiochemistry
Surveillance
- RST-211, Gaseous Effluent Radiochemistry
Surveillance
SRO CHECKthataplannedloadreductionwilltaketheUnitto
Turbine shutdown.(NO)*GOTOStep18.
CREWNOTIFYRadwasteControlRoomtobepreparedforthe
increased water processing
requirementsduetoboration.
SRO CHECKPowerlevelatthe
targetvalue.(YES-whenreached)
EVALUATOR'S
NOTE:TheLead Evaluatorcancue Event 2 (Loss of Control Power to Containment
Spray Pump" A")after the load change is terminated
and the plant is stabilized.
2008 HARRIS NRC SCENARIO1Page10of36
REVISION 2
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO1EVENT2-LOSSOF
CONTROLPOWERFOR CONTAINMENT
SPRAYPUMP'A'Booth Operator Instructions:*Oncue from the Lead Evaluator, actuate ET-2 (irfCNS015-Loss of Control Power to Containment
Spray Pump"A")Indications
Available:*ALB-001-2-4,SPRAYPUMPA
OICTRIPORCLOSECKTTROUBLE
RO RO RESPONDStoalarm ALB-001-2-4, SPRAYPUMPA OIC TRIP OR CLOSE CKT TROUBLE Performs APP-ALB-001-2-4.
BOP SRO Booth Operator Note: SRO SRO SRO SRO REPORTSlossof breakercontrolpoweron
computer alarm CRT.DIRECTan operatortocheckstatusof
breaker1A2-SA-4C, ContainmentSprayPump1A-SA.
If dispatched, report: Containment
Spray Pump" A" breaker is open, all indicating
lights are extinguished
and there is a.smell of burnt electrical
insulation
in the generalarea.The Static Trip unit is blank.IFcontrolpowerislostwiththe
breakerintheshutposition, locallytripthebreaker.(N/A)INITIATEanEIRfor CAUSES 1,2,and3.CONTACT WorkControltoinitiate
corrective
actions.ENTERSTS3.6.2.1(restoreto
operablewithin72hoursorbeinHSBwithinthenext6hours).
Evaluator's
Note: Cue Event3(CCWLeak)
after the TS declaration.2008HARRISNRC
SCENARIO1Page11of36REVISION2
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO1EVENT3-CCWLEAK
Booth Operator Instructions:*On cue from the Lead Evaluator, actuateET-3-50GPMCCW
Leak (imfccw08a)
Indications
Available:
ALB-005-8-5, COMPUTER ALARMCCWSYSTEM Evaluator Note:*The crew may enter AOP-014,LOSSOF COMPONENT COOLING WATER, when the first alarm is confirmed.
RO BOP RO RORESPONDStoalarmALB-005-8-5, COMPUTERALARMCCW SYSTEM.REPORTSCCWSurgeTanklevelalarmonalarmscreen.RESPONDStoalarmALB-005-6-1,CCWSURGE
TANK HIGH-LOW LEVEL.ENTERS APP-ALP-005-6-1.
Procedure Note: RO ROTheCCW Surge Tank baffle plate separates Side A and Side B up to the 380/0 level.CONFIRMalarmusing:*LI-670A.1,CCWSurgeTankLevel(SideA)*LI-676A.1,CCWSurgeTankLevel(SideB)
VERIFY Automatic Functions:*CCWflowtotheGFFDandPrimarySamplePanelwillisolateonalowCCWSurgeTanklevel(40%).(AlarmALB-026-2-1actuated.)(nextpage)2008HARRISNRC
SCENARIO1Page12of36REVISION2
AppendixDScenarioOutlineFormES-D-12008HARRISNRCSCENARIO1EVENT3-CCWLEAK
- CCWHoldupTank
TransferPumpandtheCCWDrain
Tank TransferPumpwilltripona
higtJCCWSurgeTank
level (750/0).(N/A)ROPERFORMCorrectiveActions:
- IFsurgetanklevelishighANDrising.(N/A)
- IFradiationactivitylevelisincreasing,THENGOTOAOP-016,ExcessivePrimaryPlantLeakage.(NO)
- IFthealarmisduetoplantheatup,THENDRAINthesurgetanktonormallevel.(NO)
Procedure Note: SRO SRO SRO*This procedure contains no immediate actions.*Loss ofCCWmay require implementationoftheSHNPP
Emergency Plan.REFERtoPEP-110, Emergency ClassificationandProtective
Action Recommendations,ANDENTERtheEALNetworkatentrypoint
x.EVALUATEplantconditionsANDGOTOtheappropriate
section: CONTACTSAOtocheckRABforCCWleaks.(actionisnot
procedurallydirectedbutshouldhappenduringthecourseof
implementingthisAOP.)Booth Operator Note: Booth Operator Note:Ifa report is requested:
RadWaste reports increased RAB floor drain in-leakage.
Shortly after contacted, report a leak in the suction header between 1CC-27 and*CCW Pump"A".Afteryouare directed to close1CC-27and1CC-36, wait two minutes then delete IMF CCW08A and report the valves closed.2008HARRISNRC
SCENARIO1Page13of36REVISION2
Appendix DScenarioOutlineFormES-D-1
2008"HARRIS NRC SCENARIO1EVENT3-CCWLEAK
Evaluator's
Note:*eew Pump start/stop
actions are providedinthe ScenarioGuide,nearthe
bottom of the next page.*Thepath through the proceduremaybe different foreachcrew since it dependsonwhen the leak location is known and how certain questions are answered.However, each crew should initiate makeup, swap running pumps, isolatetheleak,and
addresstheTS.Procedure Note: RO Procedure Note:TheGFFDandReS
sample panel will isolate on low eew Surge Tanklevelofless
than orequalto 400/0.MAINTAINCCWSurgeTanklevelbetween
45%and 75%using1DW-15,CCWMakeUp.
An affected eew Pumpisoneto which any of the following apply:*Less than 4%level indicated on the eew Surge Tank.*Exhibits abnormal flow.*Alignedtoan affected Train pump through theessential header.RO CHECKBOTHofthefollowingconditionsexist:*ALLoperableCCWSurgeTanklevelindicatorsaregreater
than 40/0 (YES)*CCWPumpflowindicationis
NORMAL (YES)PLACEandHOLDthecontrolswitchforALLaffectedCCWROPumpstoSTOPuntilCCWheaderpressureislessthan52"psig.(N/A)SRO CHECKEITHERRHRTraininShutdownCoolingMode.(NO)
RO/SRO CHECK RCS temperature
greaterthan200°F.(YES)
CHECK the Non-Essentialheaderaffectedor
previouslyRO/SROisolated (insufficientflow,knowntobetheleaksource,orother
indication).(YES/NO)2008HARRISNRC
SCENARIO1Page14of36REVISION2
AppendixDScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO1EVENT3-CCWLEAK
SRO Booth Operator Note:DIRECTSROtostartthe
standbypumpandstopCCWPump"A"perOP-145.
If requested to remove control power from"A" CCW'Pump:Remote
FunctionCCW075CP_OFF
RO Procedure Note:VERIFIESInitial
Conditions.
Starting the second pump could cause L\P fluctuations
across REM-01 CC-3501ASA(BSB)which may shut solenoid valves1CC-23and1CC-40.
Starting the second pump may cause flow oscillations
which could shut1CC-252.Re-opening
of1CC-252 should not be attempted until the second pump is secured.Procedure Caution: WithoneCCW pump runningandthe standby pump capableofan automatic start,'ensure a minimum flowrateof7850
gpm exists as indicated on FI-652.1(FI-653.1).If
both CCW pumps are running OR the CCW trains are separated, a minimumof3850gpmper
pump is required.This lower flowrate should only be allowed for short durations to accomplish
pump swapping or system realignment.
RO RO ROAttheMCB,START
CCWPumpTrainB-SB.VERIFYflowisgreaterthanorequalto3850gpmonFI-653.1andFI-652.1.PERFORMoneofthefollowing:
- SECUREasecondCCWPumpusingSection7.1.
RO VERIFIES Initial Conditions.2008HARRISNRC
SCENARIO1Page15of36REVISION2
Appendix D Scenario OutlineFormES-D-12008HARRISNRC
SCENARIO1EVENT3-CCWLEAK
RO VERIFYOPEN,thefollowingvalves:
- 1CC-99,CCWHEAT
EXCHANGERATO NONESSENTIALSUP(YES)*1CC-113,CCWHEAT
EXCHANGERBTO NONESSENTIALSUP(YES)*1CC-127,CCW
NONESSENTIALRETURNTOHEADERB(YES)*1CC-128, CCW NONESSENTIALRETURNTOHEADERA(YES)RO VERIFY SHUT, 1CC-167and1CC-147,CCWFROMRHR
HEAT EXCHANGERB-SBANDA-SA(YES)
Procedure Note: Ifpressurefalls
below 52 psig,theCCW Pump will restart.ROAttheMCB,STOPCCWPumpTrainA-SA.
RO VERIFYthefollowingforTrainA:
- FLOWstopsusingFI-653.1 (FI-652.1)
- PRESSURE remains greaterthan75psigsuingPI-650 (PI-649).RO CHECKTrainBflowratebetween
10,000and11,000gpmon
MCB indicator FI-663.1.SRO ENTERSTS3.7.3(restoreatleasttwo
flowpathstooperablewithin72hoursorbeinHSBwithinthenext6hours).
Evaluator's
Note:Whentheleakis
isolated,theCCW Pumpshavebeen swapped,andtheTS declaration
is complete, cue Event 4 (Main Generator Voltage Regulator failure)..2008HARRISNRC
SCENARIO1Page16of36REVISION2
Appendix DScenarioOutlineFormES-D-12008HARRISNRCSCENARIO1EVENT4-MAIN
GENERATOR VOLTAGE REGULATOR FAILURE Booth Operator Instructions:
Actuate ET-4 for the Main Generator Voltage Regulator failureoncue from the Lead Evaluator.
Indications
Available:TheBOP may recognize a problem before any alarms.*ALB-22-4-3,GENERATORVOLTAGEIFREQRATIO/HIGHORUNDERFREQ
- ALB-22-9-4COMPUTERALARMGEN/EXCITERSYSTEMSBOPRESPONDStoalarms
ALB-022-4-3and9-4.EVALUATOR'S
NOTE: Alarm ALB-022-9-4isa computer alarm.ALB-022-4-3
will initiate corrective
actions.The crew may refertoAOP-006 but no actions will result.BOPCONFIRMalarmusing:*ATMCB:*EI-525, Generator Frequency.*EI-520, GeneratorPhaseVolts.(YES-Reports
voltageregulationproblem)*EI-540,GenExciterFieldVolts.*EI-541,GenExciterFieldCurrent.*ATGenProtectiveRelayPanel1B,GenOverExcitation
ProtBackupProtectionrelaystatusflag:TRIPPED*ATGenProtectiveRelayPanel1B,GenOverExcitationProtBackupProtectionrelaystatusflag.*TRIPPEDBOPVERIFY Automatic Functions:
- VOLTAGERegulatorLimiter
decreases Generator excitation.*IFVoltageLimiterisunabletocontrolexcitationincrease,a
GeneratorLockoutoccurs.2008HARRISNRC
SCENARIO1Page17of36REVISION2
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO1EVENT4-MAIN
GENERATOR VOLTAGE REGULATOR FAILURE BOP PERFORM Corrective
Actions:*CHECKforthefollowingatMCB:
- EI-525, Generator Frequency,stableat60Hz.(YES)*EI-520, GeneratorPhaseVolts,stableat22KV.(NO)
- EI-540,GenExciterFieldVoltsstable.(YES)
- EI-541,GenExciterField
Currentstable.(YES)
Procedure Note: An automatic transfer to manual Generator voltage control is indicated by GENERATOR.VOLTAGE
REGULATOR switchONand the GREEN light LIT.Both the AMBER lightandRED light willbeOFF.BOP*OPERATE GENERATOR VOLTAGE ADJUSTERswitchto restore Generator voltageto22KVandreduceMVARS.
- IF GENERATOR VOLTAGE ADJUSTERswitchis ineffective
THEN PERFORMthefollowingto
transfer andmaintainvoltagemanually:
- OPERATE the GENERATOR VOLTAGE ADJUSTER to attempttozerothe REGULATOR OUTPUT BALVOLTmeter.
- PLACE GENERATORVOLTAGE REGULATOR switchintheTESTpositionand
observeAMBERlightLITandREDlightOFF.
- OPERATE GENERATOR BASE ADJUSTERswitchto restore Generator voltageto22KV.SRO*REFERENCE AOP-028,GridInstability.(N/A-theproblemisnotonthegrid)
BOP*VERIFY Main Generator is operatingperthe Generator Capability
Curve.EVALUATOR'S
NOTE: When Main Gen Voltage is under control, cue Event 5 (PRNIS Channel N-43 failure)2008 HARRIS NRC SCENARIO1Page18of36REVISION2
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO 1 EVENT5-PRNIS CHANNEL FAILURE Booth Operator Instructions:
Indications
Available:Oncue from the Lead Evaluator, Actuate ET-5, PRNIS Channel 43 failsHIGH(NIS08C)
Uncontrolled
rod motion and bistable trips.RO RESPONDS to alarms/uncontrolledrodmotion.
RO PERFORMS immediate actions.EVALUATOR'SNOTE:ATS declaration
(3.3.1 Action2)isNOT required for this event and the channel does nothavetobe removed from service to continue the scenario.The Lead Evaluatorcancue Event6(SG"C" FF Channel failure)afterTavgis being controlled
or when AOP-001 is exited.BOOTHOPERATOR:If
theOWPis implemented:APP-RPS/OWPRP25TST.
Pause after the first 4 steps.Immediate Action Immediate Action Immediate Action RO RO-RO SRO RO CHECKthatLESSTHAN
TWOcontrolrodsare
dropped.(YES)POSITIONRodBank SelectorSwitchtoMAN.
CHECK ControlBankmotion
STOPPED.(YES)PROCEEDStoSection3.2.
CHECK that instrument
channelfailurehasNOT
OCCURRED by observing the following:*RCSTavg(YES)*RCSTref(YES)
- POWERRangeNI channels (NO)*TURBINE first stage pressure (YES)2008 HARRIS NRC SCENARIO1Page19of36
REVISION 2
Appendix DScenarioOutlineFormES-D-12008HARRISNRCSCENARIO1EVENT5-PRNIS
CHANNEL FAILURE SROPERFORMthefollowing:
- IFapowersupplyislost,THENGOTOAOP-024,Lossof
UninterruptiblePowerSupply.(N/A)
- IFanindividual
instrumentfailed,THENMAINTAINmanualrodcontroluntilcorrectiveactioniscomplete.(YES)*IFaPowerRangeNIChannelfailed,THENBYPASSthefailedchannelusingOWP-RP.(YES)
EVALUATORNOTE:A High Power Rod Stopisin effect until defeated at the drawer.RO Manually OPERATEaffectedcontrolbanktorestorethe
following:
- Equilibriumpowerand
temperature
conditions
- RodsabovetheinsertionlimitsofTechSpec3.1.3.6and
PLP-106, Technical SpecificationEquipmentListProgramandCoreOperatingLimitsReport.ROVERIFYproperoperationofthefollowing:(YES)
- CVCS demineralizers
- BTRS*ReactorMakeupControlSystem
SRO CHECKthatthissectionwasenteredduetocontrolbanksMOVINGOUT.(NO)
- GOTOStep6.
RO CHECK that NEITHERofthefollowing
OCCURRED:*UnexplainedRCSboration
- UnplannedRCSdilution
SRO CHECKthatan automaticRodControlmalfunction
OCCURRED.(NO)*GOTOStep9.2008HARRISNRC
SCENARIO1Page20of36REVISION2
AppendixDScenarioOutline
Form ES-D-12008HARRISNRCSCENARIO1EVENT5-PRNISCHANNELFAILURE
EVALUATOR NOTE: Though not directedbyAOP-001, the SRO should direct implementation
of OWP-RP-25 prior to exiting the procedure.SROEXITthisprocedure.
RO Verify ROD BANK SELECTORSwitchin MANUAL (YES)BOPVerifyFWRegBypValve
Controllers
in MANUAL (YES)At Detector Current Comparator
Drawer:RO*UPPERSectionSwitchtoPRN43*LOWERSectionSwitchtoPRN43
RO RO At MiscellaneousControland
Indication
Panel:*RODSTOPBYPASSSwitchtoBYPASSPRN43*POWER MISMATCH BYPASSSwitchtoBYPASSPRN43 At ComparatorandRateDrawer:
- COMPARATORCHANNEL
DEFEATSwitchto N43 EVALUATORNOTE:Lead Evaluatorcancue next event once plant is stable.2008HARRISNRCSCENARIO1Page21of36REVISION2
AppendixDScenarioOutline
Form ES-D-12008HARRISNRCSCENARIO1EVENT6-SG'C'FFCHANNELFAILSLOW
Booth Operator Instructions:
On cue from the Lead Evaluator, actuateET-6SG"C" FF Channel failsLO(FT:497)
Note that this EventisaRAPID transient.
Wait until theBOPis near to initiate.If a reactor trip occurstheninitiateET-7and continue on with scenario.Indications
Available:
ALB-014-6-1B,SGCSTM>FWFLOWMISMATCHBOPRESPONDStoalarmALB-014-6-1B.BOPCONFIRMalarmusing:*FI-496,FI-497,SGCFeedFlow*FI-494,FI-495,SGCSteamFlow*ReportsFI-497failedLOWBOPPERFORMCorrectiveActions:*IFFCV-498,FeedwaterRegValve,isNOTcontrollingSGlevel,THENMANUALLYCONTROLFK-498ANDREDUCEfeedflow.*DISPATCHanoperatortocheckforindicationsoffeedwaterleaks.
Evaluator Note:TheSRO may enter AOP-010 based on the flow transient.Ifso, the outcome will be the same-the associatedFRVin MANUAL.SROREFERStoOWP-RP-09.
Evaluator's
Note:*The crew may swap controlling
channels to regain automatic control before theOWPis implemented.*ATS declaration
(3.3.1 Action6)isNOT required for this event and the channel does not have to be removed from service to continue the scenario.*TheLead Evaluator can cue Event 7 when SG level'is being controlled
or isinAUTO.2008HARRISNRCSCENARIO1Page22of36REVISION2
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO1EVENTRCP'C'LOCKEDROTOR/STEAMBREAK
OUTSIDE CONTAINMENT
Booth Operator Instructions:*On cue from the Lead Evaluator, actuateET-7RCPC Locked Rotor (RCS03 PUMP_3)Indications
Available:
ALB-011-2-2,REACTORTRIPLOWFLOW/RCPP8
PERMISSIVERORESPONDStoReactorTripFirstOutalarmSROENTERSanddirectsactionsofPATH-1.
RO VERIFYReactorTrip:*AUTOorMANUAL
ReactorTripsuccessful:
- CHECKforanyofthefollowing:*TripbreakersRTAandBYAOPEN(YES)*TripbreakersRTBandBYBOPEN(YES)*RODBottomlightsLIT(YES)*NEUTRONflux
decreasing (YES)BOPVERIFYTurbineTrip:
- CHECKforanyofthefollowing:*ALLturbinethrottlevalves-SHUT(YES)*ALLturbine
governorvalves-SHUT(YES)BOPVERIFYpowertoAC
Emergency Buses*1A-SAand1B-SBBusesenergizedbyoff-sitepowerorEDG's(YES,off-sitepower)
RO CHECKSIActuation:
- CHECKforanyofthe.following-LIT:(NO)*SIActuatedbypass
permissive
light2008HARRISNRC
SCENARIO1Page23of36REVISION2
Appendix D Scenario OutlineFormES-D-12008HARRISNRC
SCENARIO 1 EVENTRCP'C'LOCKED
ROTOR/STEAM
BREAK OUTSIDE CONTAINMENT
- ALB-11-2-2*ALB-11-5-1
- ALB-11-5-3
- ALB-12-1-4ROSI actuation-REQUIRED (NO)BOOTHOPERATOR:
EVALUATOR'S
NOTE:PROCEDURENOTE:
SRO SRO BOP Actuate MS Break whenEPP-004is entered: (imf mss11-Initial:40.0E04, rampto4.0E06 over one minute;imf mss05a-MSIV"A" fails to close;imf mss05a-M&IV"B" fails to close;imf mss05a-MSIV"C" fails to close).The crew will perform EPP-004 until the steam break symptoms are evident.Several EPP-004 steps are included in the scenario guide.Foldout applies.Informs Shift SuperintendenttoevaluateEAL
Network UsingEntryPointX.
Check RCS Temperature:
- CheckSGblowdownisolationvalves-SHUT(YES)
StabilizeANDmaintain
temperaturebetween555
OFAND559 OFusingTable1.*Controlfeedflowandsteamdumpto
stabilize temperaturebetween555
OFAND559 OF EvaluatorNote:The crew may attempt to close the MSIV's to stabilize temperature.
RO CheckRCPStatus:2008HARRISNRC
SCENARIO1Page24of36REVISION2
AppendixDScenarioOutlineFormES-D-1
2008 HARRIS NRC SCENARIO1EVENTRCP'C'LOCKEDROTOR/STEAMBREAK
OUTSIDE CONTAINMENT*CheckRCPs-ATLEASTONERUNNING(YES)
BOP BOP CREWBOOTHOPERATOR:
ROCheckFeedSystemStatus:*RCS Temperature-LESSTHAN564
of*Verifyfeedregvalves-SHUT*CheckfeedflowtoSGs-
GREATERTHAN210KPPH (NO)StartsMDAFWPump"B"orinitiatesFFusingFRVBypass
Valves.ContactsAOto
investigateMDAFWPump"A"failure.
If dispatched, report MDAFW Pump"A" breaker tripped-cause unknown.CheckControlRodStatus:*Check DRPI-AVAILABLE (YES)*Verifyallcontrolrods-FULLYINSERTED(YES)
EVALUATOR'SNOTE:At some point the RO will report thatPRZlevel cannot be maintained
and/or theBOPmay report indications
of a steam break.TheSRO should then direct a MANUALSIand returntoPATH-1, Entry Point"A".SRODirectsaMANUALSIin
accordancewithFoldoutcriteria.ROInitiatesaMANUALSI.
SRO FOLDOUTAapplies.EVALUATOR'SNOTE:Crew should brief on the general foldout criteria.2008HARRISNRC
SCENARIO1Page25of36REVISION2
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO1EVENTRCP'C'LOCKED
ROTOR/STEAM
BREAK OUTSIDE CONTAINMENT
EVALUATOR'S
NOTE: The following FOLDOUT A criteria apply in this scenario: AL TERNATE MINIFLOW OPEN/SHUT CRITERIAIFRCS pressure decreases to less than1800PSIG, THEN verify alternate miniflow isolation OR miniflow block valves-SHUTRCPTRIP CRITERIA SI Flow>200GPM and RCS Pressure<1400PSIGSROPerformTheFollowing:
- InitiatemonitoringtheCriticalSafetyFunctionStatus
Trees.*EvaluateEALNetworkusingentrypoint
x.RO VERIFYALLCSIPsANDRHRpumps-RUNNING.(YES)
RO CHECKSIFlow:*SIflow-GREATERTHAN200GPM.(YES)
RO RCS pressure-GREATERTHAN230PSIG.(YES)
BOOTH OPERATOR:TheSRO should dispatch an operator to locally close the MSIV's.DoNOT close the MSIV's until the cooldown rate is evaluated andAFWis throttled in EPP-15.BOP CHECKMainSteamIsolation:
- MAINsteamisolation-
ACTUATED.(NO)BOP/RO CHECKmainsteamisolationactuationcriteriabyobservinganyofthefollowing:
- STEAMlinepressure-LESSTHAN601PSIG.(YES)
- CNMTpressure-
GREATERTHAN3.0PSIG.(NO)2008HARRISNRC
SCENARIO1Page26of36REVISION2
Appendix D Scenario OutlineFormES-D-12008HARRISNRC
SCENARIO 1 EVENTRCP'C'LOCKED
ROTOR/STEAM
BREAK OUTSIDE CONTAIN.MENTBOPMAINSteamisolation-REQUIRED.(YES)
BOP ACTUATE MSLI BOP VERIFYallMSIVsandbypassvalves-SHUT.(NO)
RO CHECK CNMTPressure-HASREMAINEDLESSTHAN10PSIG.(YES)
BOP CHECKAFWStatus:
- AFWflow-ATLEAST210KPPH
AVAILABLE.(NO)Critical*Starts AFW Pump"B" beforeReSFeedand
Bleed Task BOP criteriaismetand controls AFW flow in accordance
withSGLevel criteria EVALUATOR'SNOTE:TheRO
will perform all board actions until the BOP completes Attachment6.TheBOPis
permitted to properly align plant equipment in accordance
with Attachment
6 without SRO approval.The Scenario Guide still identifies
tasks by board position because the time frame for completion
of Attachment6is not predictable.
SRO ASSIGN operatortoperformthefollowing:
- VERIFY alignment of components
from actuation ofESFASSignalsusing
Attachment
6,"Safeguards
Actuation Verification", while continuing
with implementation
of EOPs.RO/BOP CONTROL RCS Temperature:
- StabilizeANDmaintain
temperature
between 555°F AND 559°FusingTable1.
EVALUATOR'S
NOTE: No Table 1 actions applicable
due to uncontrolled
cooldown and inoperable
MSIV's.RO/BOP ENERGIZEACbuses1A1AND1B1.
2008 HARRIS NRC SCENARIO1Page27of36
REVISION 2
Appendix D Scenario OutlineFormES-D-12008HARRISNRC
SCENARIO1EVENTRCP'C'LOCKED
ROTOR/STEAM
BREAK OUTSIDE CONTAINMENT
RO RO RO RO/BOP CHECKPRZPORVs-SHUT.(YES)
CHECKblockvalves-ATLEASTONEOPEN.(YES)PRZsprayvalves-SHUT.(YES)
IDENTIFYanyfaultedSG:
- Checkforanyofthefollowing:*AnySG pressures-DECREASINGINAN UNCONTROLLED
MANNER (YES)*AnY,SG-COMPLETELY
DEPRESSURIZED.(NO)SRO SRO SRO EVALUATOR'S
NOTE: RO/BOP SROATleastoneSGmustbe
maintained
availableforRCS cooldown.ANYfaultedSGor
secondarybreakshouldremainisolated
during subsequent
recoveryactionsunlessneededforRCS
cooldown.IMPLEMENT Function Restoration
Proceduresasrequired.AnOrangeorRedpathmay
developonRCSIntegrity
and/orHeatSink.RCS
Integrityactionsaresimilartothosein epp-015.FRP-H.1willbeexitedbecause
procedurally-directed
operatoractionsmayhavereducedAFWflow.
CHECKMSIVsandBypassValves:
- VERIFYallMSIVs-SHUT(NO)
DISPATCHESAOtocloseMSIV's.2008HARRISNRC
SCENARIO1Page28of36REVISION2
AppendixDScenarioOutlineFormES-D-12008HARRISNRCSCENARIO1EVENTRCP'C'LOCKEDROTOR/STEAMBREAK
OUTSIDE CONTAINMENTRO/BOPVERIFYallMSIVbypassvalves-SHUT(YES)RO/BOPCHECK
anY,'SGNOTFaulted:*ANYSGpressure-STABLEORINCREASING.(NO)SROFoldoutapplies.
EVALUATOR'SNOTE:TheEPP-015
Foldout criteria that may apply is:MINIMUMFEEDFLOW
IF level in anySGis less than 25%[400/0], THEN maintain a minimum of12.5KPPHfeed
flow to that SG.EVALUATOR'S
NOTE: After the MSIV's are closed, SG pressures will rise and meet EPP-14 transition
criteria.BOOTHOPERATOR:
Close MSIV's"A" and"C" after the cooldownrateis evaluatedandAFWis throttledinEPP-015.BOPCHECKMSIVsANDBypassValves:*VERIFYallMSIVs-SHUT(NO)*VERIFYallMSIVBypassValves-SHUT(YES)IFtheTDAFWpumpistheonlyavailablesourceoffeedflow,SROTHENmaintainsteamsupplytotheTDAFWpumpfromoneSG.(N/A-underclearance)IFlocalactionsarerequired,attemptstoisolateallboundariesSROofoneSGshouldbecompletedpriortostartingthoseforanotherSG.BOPCHECK SecondaryPressureBoundaryforALLSGs:*VERIFYSGPORVs-SHUT(YES)*VERIFYMainFWisolationvalves-SHUT(YES)2008HARRISNRCSCENARIO1Page29of36REVISION2
Appendix DScenarioOutlineFormES-D-1
2008 HARRIS NRC SCENARIO1EVENTRCP'c'LOCKED ROTOR/STEAM
BREAK OUTSIDE CONTAINMENT
BOP*SHUTsteam supplyvalvesto TDAFW pump:*SGB:1MS-70 (Tagged)*SGC:1MS-72(Tagged)
BOP*VERIFYmainsteamdrain
isolationsbeforeMSIVs-SHUT:(YES)
- SGA:1MS-231
- SGB:1MS-266
- SGC:1MS-301
- VERIFYSGBlowdownisolationvalves-SHUT(YES)
- VERIFY Main Steam Analyzerisolationvalves-SHUT (YES)ASSGpressureandsteamflowdecrease,RCShotleg
SRO temperatures
will eventually
stabilizeandmayincrease.
Adjustingfeedflowandsteam
dumpwillcontrolRCShotleg
temperatures.
- CHECK RCS cooldownrate-LESSTHAN
100°F/HR (NO)BOPReducefeedflowto12.5KPPHtoeachSG.
RO CheckRCShotleg temperatures-STABLEOR DECREASING (YES/NO)Evaluator Note: Several more EPP-015 steps are included in the scenario guide but EPP-014 transition
criteria shouldbemet shortly after MSIV"A"andMSIV"C" are closed.ROMaintainRCPSealInjectionFlowBetween8GPMAnd13
GPM.ROCheckRCPTripCriteria:
- CheckRCPs-ATLEASTONERUNNING(YES-AandB)2008 HARRIS NRC SCENARIO1Page30of36
REVISION 2
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO1EVENTRCP'C'LOCKED
ROTOR/STEAM
BREAK OUTSIDE CONTAINMENT
RO Checkallofthefollowing:
- SIflow-GREATERTHAN200GPM(YES)
- CheckRCSpressure-LESSTHAN1400PSIG(NO)
RO CheckPRZPORVANDBlockValves:
- VerifypowertoPORVblockvalves-
AVAILABLE (YES)*PRZPORVs-SHUT(YES)
- GOTOStep6f.
- Checkblockvalves-ATLEASTONEOPEN(YES)
- IFaPRZPORVopensonhighpressure,THENverifyitshutsafterpressure
decreasestolessthanopening
setpoint.PROCEDURENOTE:ASG
may be suspectedtobe rupturedifit fails to dry out following isolation of feed flow.Local checks for radlationcanbe used to confirm primary-to-secondary
leakage.BOP/SRO Check Secondary Radiation:
Checkforallofthefollowing:
- Condenservacuumpump
effluentradiation-
NORMAL (YES)*SGblowdownradiation-
NORMAL (YES)*Main steamlineradiation-
NORMAL (YES)*SG activitysample-NORMAL (IF AVAILABLE)(N/A)RO CheckRHRPumpStatus:
- CheckanyRHRpumps-RUNNING(YES)
- RCSPressure-
GREATERTHAN230PSIG(YES)
- RCS pressure-STABLE OR INCREASING (YES)*CheckRHRpumpsuction-
ALIGNEDTORWST(YES)
- ResetSI.*Manually Realign Safeguards
EquipmentFollowingALossOfOffsitePower.(RefertoPATH-1GUIDE, Attachment
2.)*StopRHRpumps.(YES)2008HARRISNRC
SCENARIO1Page31of36
REVISION 2
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO1EVENTRCP'C'LOCKED
ROTOR/STEAM
BREAK OUTSIDE CONTAINMENT
SRO IMPLEMENTFunctionRestorationProceduresasrequired.
BOP CHECKMSIVsANDBypassValves:*VERIFYallMSIVs
-SHUT.(NO)*VERIFYallMSIVbypassvalves
-SHUT.(YES)
BOP CHECKAnySGNOTFaulted:*ANYSGpressureSTABLEOR
INCREASING.(YES)BOP IDENTIFYAnyFaultedSG:
- CHECKforanyofthefollowing:*ANYSGpressure
-DECREASINGINAN
UNCONTROLLEDMANNER.(YES-"B")
..-.ANYSG-COMPLETELY
DEPRESSURIZED.(YES-"B")Critical Task BOP BOP ISOLATEFaultedSG(s):*VERIFYfaultedSG(s)PORV
-SHUT.(YES)*VERIFYMainFWisolationvalves
-SHUT.(YES)*VERIFYMDAFWANDTDAFWpumpisolationvalvestofaultedSG(s)
-SHUT.(NO,unlessclosedearlier)
- Closes1AF-93,MDAFW
Pump"B"toSG"B" before SI is terminated.ShutfaultedSG(s)tosteamsupplyvalveto
TDAFWSHUT.*SGB:.1MS-70*VERIFYmainsteamdrainisolation(s)beforeSHUT(YES)2008HARRISNRC
SCENARIO1Page32of36REVISION2
Appendix DScenarioOutlineFormES-D-1
2008 HARRIS NRC SCENARIO 1 EVENTRCP'C'LOCKED
ROTOR/STEAM
BREAK OUTSIDE CONTAINMENT
- VERIFYSGBlowdownisolationvalves-SHUT.(YES)
- VERIFYmainsteam analyzerisolationvalves-SHUT.(YES)BOP CHECK CST Level-GREATERTHAN10%.(YES)PROCEDURE NOTE:ASGmaybe suspectedtobe rupturedifit fails to dry out following isolation of feed flow.Local checks for radiationcanbeusedto
confirm primary-to-secondary
leakage.SRO CHECK Secondary Radiation:
- CHECKforallofthefollowing:
- SGBlowdownradiation-
NORMAL.(YES)*MAIN steamlineradiation-
NORMAL.(YES)RO CHECKSGLevels:*ANY level-INCREASINGINAN UNCONTROLLEDMANNER.(NO)
RO CHECKifSIhasbeen
terminated:
Criteria: CHECK Subcooling
-GREATER THAN*10°F[40°F]-C(YES)
- 20°F[50°F]-M
- CHECK secondaryheatsinkby
observinganyofthe following:
- LEVELinatleastoneintactSG-
GREATER THAN 25%[40%].(YES/NO)*TOTALfeedflowtoSGs-*GREATERTHAN210KPPH.(YES)
- RCS pressure-STABLEOR INCREASING.(YES)2008HARRISNRC
SCENARIO1Page33of36REVISION2
Appendix D Scenario OutlineFormES-D-1
2008 HARRISNRCSCENARIO*1
EVENTRCP'C'LOCKED
ROTOR/STEAM
BREAK OUTSIDE CONTAINMENT
- PRZlevel-GREATERTHAN10%[30%].(YES)RORESETSI.SRO CONTINUOUS
ACTION: MANUALLY realign Safeguards
Equipmentfollowingalossofoffsitepower.
ROResetPhaseAandPhaseBIsolationSignals.
RO Restore InstrumentAirandNitrogento
Containment:Openthefollowingvalves:
- 11A-819*1 SI-287 ROSTOPallbutONECSIP.
RO CHECK RCS pressure-STABLE OR INCREASING.(YES)RO ISOLATEHighHeadSIFlow:
- CHECKCSIPsuction-
ALIGNEDTORWST.(YES)
- OPENnormal
miniflowisolationvalves:
- 1CS-182*1CS-196*1CS-210*1CS-214*SHUTBIToutletvalves:
- 1SI-3*
- VERIFYcoldlegANDhotleginjectionvalves-SHUT
- 1SI-52*1SI-86*1SI-107 2008 HARRIS NRC SCENARIO1Page34of36
REVISION 2
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO1EVENTRCP'C'LOCKED
ROTOR/STEAM
BREAK OUTSIDE CONTAINMENT
- OBSERVECAUTIONpriortoStep19ANDGOTOStep19.PROCEDURE CAUTION:Highhead 81flowshouldbeisolatedbefore
continuing.ESTABLISHChargingLineup:
- SHUTchargingflowcontrolvalve:
- FK-122.1*OPENcharginglineisolationvalves:
- 1CS-235*1CS-238 Lead Evaluator:
Terminate the scenariowhennormal
charginghasbeen established.2008HARRISNRC
SCENARIO1Page35of36REVISION2
AppendixDScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO1EVENTRCP'C'LOCKED
ROTOR/STEAM
BREAK, OUTSIDE CONTAINMENT
REVISION SUMMARY1.ModifiedscenariotohaveMSL"C"Radmonitorinopvice"B"2.Revised summarypagetoreflectMSL"c" inop3.ModifiedScenarioSetuppagetoreflect"C"inop4.ChangedRO
designationtoBOPfor"Commenceturbineloadreduction..."5.AddedstepsfromOP-107,sect.8.21forRapidBorationifthecrewelectstodo
that.6.Addedgrayboxestohelp
designatewhatprocedurespecificactionsintheguidearecomingfrom.7.AddedAlarmnamefor
ALB-005-8-5inbodyofscenarioguidenotjustinintro.8.Added clarificationthatdirectingAOsinthefieldisnota
procedurally
directed action.9.Clarifiedwhat
procedureisdirectingactionsforstartofCCWpump10.AddedexpectedstatusofRelayflagsasTRIPPED11.Includedstepsfrom
OWP-RP-25forfailureofPRNI-4312.AddednotetoremindallthattheFeedflow
transient willberapidatthispowerandshould notbeinitiateduntilBOPisnear.Alsoaddedclarificationonhowtorespondiftheplantdoestriponthe
transient13.Modifiedposition
designatorstoRO/BOPforthetimewhen
Attachments
areexpectedtobeinprogress.Evaluatorscanthenjustcirclewhichposition
actually performedtheaction.2008HARRISNRC
SCENARIO1Page36of36REVISION2
I Appendix D Scenario OutlineFormES-D-1
I Facility: Examiners:
HARRIS Scenario No.: Operators:2OpTestNo.:2008NRC Initial Conditions:IC-5:51%Power,BOL
- TDAFWPumpclearedandtaggedtoreplacetappetnutontripvalve.54hoursremainingonTS3.7.1.2Actiona*4GPDtubeleakageinSG"C"forpast30days.
Chemistry has CRC-804ineffect.*RadiationMonitorRM-01
MS-3592SB,MSL"B"Monitor,wasdeclaredinoperablelastshift.TS3.3.3.6Actioncineffect.
Turnover:*ThepreviousshiftstartedMFWPump"A"following
replacementofabearingandhascompletedGP-005,Step134.Resumeraisingpowerat4DEH
units/minuteCriticalTasks:
- .EnergizeBus1B-SBbeforeRCSFeedandBleedcriteriaismet
- TerminatethereleaseviaSG"C"PORVbeforeexitingEPP-014
- Minimize primary to secondaryleakagetopreventSG"C"fromexceeding
95%EventMalt.Event
Event No.No.Type*Description
1 N/AN-BOP,Raisepower
SRO R-RO 2 LT:115 I-RO,VCTLevelChannel115failsLOW
SRO 3 XD11121 C-BOP,MCC1A34FeederBreakertrips(bothfansonAH-3)
SRO TS-SRO 4 SWS07A C-RO,NormalService
WaterPump"A"shearedshaft
SRO 5 PT:495 I-BOP,SG"C" ControllingSteamPressureChannelfailsHI
SRO TS-SRO 6 SGN05C C-RO,SG"C" progressiveSGTubeLeak
CVC17 SROFCV-122,ChargingFlowControlValve,failstorespondinAUTO
TS-SRO 7 EPS01 M-ALLLossof Off-Site Power DSG01AEDG"A"failstostart
Appendix DNUREG1021Revision9HARRIS2008NRC
Scenario2Revision2Page1 at 39
I Appendix DScenarioOutlineFormES-D-1
I 8 DSG06B C-BOP,EDG"B"breakerfailstoclose
SRO 9 SGN05C M-ALLSG"C"SGTRafterEPP-1exit
10 PT:308C C-BOPSG"C"PORVfailsto
1000/0inAUTO*(N)ormal,(R)eactivity,(I)nstrument,(C)omponent,(M)ajorHARRIS2008NRC
SCENARIO 2 SUMMARYThecrew assumesthewatchhavingpre-briefedonthe
proceduretoraisepower.The
Turbine-drivenAFWPumpisclearedandtaggedforrepairofthetappetnutonthetripvalve.TS 3.7.1.2.aisineffect.Thereisa4GPDtubeleakinSteamGenerator(SG)"C"thathasbeenstablefor30days.
Chemistryismonitoringinaccordancewiththeirprocedures.Theradiation
monitoronMainSteamLine"B"failedlastshift.TS3.3.3.6.cisineffect.Whentheevaluationteamissatisfiedthatthepowerchangeisundercontrol,theLeadEvaluatorcancuetheVCTlevelchannelfailure.Automakeupwillinitiatewhenthechannelfails.Thecrewshouldrespondto
alarms/indicationsinaccordancewithalarm
response procedureandenterAOP-003,.MALFUNCTIONOFREACTORAftertheVCTisproperlyaligned,theLeadEvaluatorcancuethetripofthefeeder
breakerforbothfanson
ContainmentFanCoolerAH-3.Thecrewshouldinitiallyrespondin accordancewithalarmresponseprocedureandthenshifttotheTrain"B"unitsin accordancewiththesystemoperating
procedurebutmaystartastandbyunitforthenear-term.TheSROshouldenterTS3.6.2.3.a.
When Containment
Fan Cooleractionsarecomplete,theLeadEvaluatorcancuetheshaftshearonNormalService
Water(NSW)Pump1A.Systempressurewilldegradeasthe standbypumpwillnotstartbecausethe
interlockisoffoftherunningpumpbreaker.Thecrewshouldrespondin
accordancewithNSWheaderpressurealarmsonALB-002andenterAOP-022,LOSSOFSERVICEWATER.Thiswilldirectstartofthe
standbypump.TherearenoTS'sassociatedwiththeNSWPumps.WhenNSWis properlyaligned,theLeadEvaluatorcancuethefailureofthecontrollingSteamPressureChannelonSG"C".TheBOPshouldrespondtomultipleSG"C"alarmsonALB-14andtakemanualcontroloftheaffectedFRVinaccordancewiththealarmresponse
procedures
and managementguidanceforcontrolling
malfunctioning
automaticequipment.TheSROshouldentertheTSforReactorTrip
Instrumentation(3.3.1),ESFJnstrurnentatlon(3.3.2),andAccidentMonitoring
Instrumentation
(3.3.3.6).Thecrewmayelecttoshiftto
anotherchanneltorestoretheFRVtoAUTO.Thechanneldoesnothavetoberemovedfromservicetocontinuethescenario.WhenSGlevelisundercontrol,theLeadEvaluatorcancueinitiationofincreasingSGtubeleakageinSG"C".TheROshouldrecognizeanRCSleaktrendormayrespondto
a Pressurizer
level deviationalarmsinceFCV-122,ChargingFlowControlValve,willnotberespondingproperlyinautomatic.TheSROshouldenterAOP-016, EXCESSIVEAppendixDNUREG1021Revision9
HARRIS2008NRCScenario2Revision2Page2of39
I AppendixD.Scenario OutlineFormES-D-1
I PRIMARYPLANTLEAKAGE.Thecrewshouldmaintain
pressurizerlevelby manually controlling
chargingflowand minimizingorsecuringletdown.Thecrewshouldestimatetheleakageto
determinetherequisiteSteam
GeneratorTubeLeakage(SGTL)ActionLevelandtheSROshouldenterTS3.4.6.2forRCSleakage.WhentheSGTLActionLevelhasbeen
determinedandtheTSentryis
complete, the Lead evaluatorcancuethelossofoff-sitepowerandresultant
automaticreactortrip.EDG"A"failstostartandEDG"B"startsbutthe
breakerdoesnotclose
automatically.
The crew will enterPATH-1and transitiontoEPP-001,LOSSOFAC
POWERTOSAAND1B-SBBUSES.EPP-001willprovide
directiontoenergize1B-SBafterwhichthecrewwill
transitionbacktoPATH-1.Afterthe
transitionbacktoPATH-1,theSGTLwillbecomeaSGTRonSG"C".Thecrewmayinitiatea
MANUALSIoritwilloccur
automatically.SG"C"PORVwillfailtocloseatthe
automaticsetpoint.If
operators failtocloseitinPATH-1thenthecrewwill
transitiontoEPP-014,FAULTEDSTEAM
GENERATOR ISOLATION,andisolateSG"C".Thecrewwill
transitiontoPATH-2,isolateSG"C",thencooldownandequalizeRCSandSG"C"pressure.The
scenariocanbe terminatedwhentheBIT
flowpathisisolated.
Appendix DNUREG1021Revision9
HARRIS 2008NRCScenario2Revision2Page3of39
Appendix D Scenario Outline2008HARRISNRC
SCENARIO2SETUPFormES-D-1
SPECIAL INSTRUCTIONS:*ClipacopyofGUIDE-1
Attachment1(SI Alignment)
and Attachment
6 (Safeguards
Actuation Verification)toeach scenarioguideforusebythe
evaluators.
INITIAL CONDITIONS:*IC-5: 51%power,BOL-thenstartMFWPump"B"andbothHDPumpsand
allow approximately4minutesforSGlevelstostabilizebeforebringinginthe
crew*Tag TDAFWPumpontheMCB*Tagand DE-ENERGIZEMS-70andMS-72
- GP-005 completedthroughStep133.d
- ReactivityPlanforintendedevolution(Raisepowerat4DEH
Units/minute)*SetDEH Computerfora4DEH/minloadratein
progress*Turnover Sheet*Ensurerodstep
countersresettothe
correct value PRE-LOAD:*imfcfw01C:
TDAFWPumpunder clearance*irfrms170:
Steamline"B"Rad MonitorfailedHI*imfdsg01:EDG"A"failstostart*imf dsg06b:EDG"B" Breakerfailstoclose
automaticallybutcanbeclosedfromtheMCBwiththe
proper interlock satisfied TRIGGERS:*Event2:imfLT:115(VCTlevelfailslow-0%)*Event3:xd1i121(MCC1A34Feeder
Breakertrips-bothfansonAH-3)*Event4:imf
sws07a(NSWPump"A"shaftshear)*Event5:imfPT:495(SG"C"Channel3SteamPressurefailsHIGH-1300)
- Event6: sgn05c/cvc17 (SGTL-60 GPM/FCV-122failstotrack)*Priorto actuating this triggertheBooth Operatormustread FCV-122positionoffofthe
summarypageandtypethatvalueintotheFINAL
VALUE box.*Event7/10:imteps01 (LOOP)/imf
PT:308c(SGPORV Setpointdriftsupto
100%)*Event9: TRG=9mmfsgn05c (SGTR-420 GPM)Appendix DNUREG1021Revision9
HARRIS2008NRC Scenario2Revision2Page4of39
Appendix D Scenario Outline 2008 HARRIS NRC SCENARIO2SETUPFormES-D-1*Field actionsforGUIDE1, Attachment
6*irf mss027tolocalops(SG"A"PORVlocal
operation)
Appendix DNUREG1021Revision9
HARRIS2008NRC Scenario2Revision2Page5of39
Appendix D Scenario OutlineFormES-D-12008HARRISNRC
SCENARIO2EVENT1-POWER
CHANGE Indications
Available:
N/A EVALUATOR'S
NOTE:TheLead Evaluatorcancue Event2(VCTLevel
Channel failure)when the evaluators
have completed their evaluationofthe power change.BOP BOP R,O BOP BOP EVALUATOR'S
NOTE: RO RO InformsRO/SROthatturbineloadincreaseisbeinginitiated.
Depresses GO pushbutton.At55to 60%Reactorpower, CHECKthefollowing:
- ALB-13/5-3,POWERRANGEUPPER
DETECTORHIGHFLUXDEVORAUTODEFEAT,not
illuminated.
- ALB-13/5-4,POWERRANGELOWER
DETECTORHIGHFLUXDEVORAUTODEFEAT,not
illuminated.*IFeitheralarmis
illuminated,THENREFERtotheAPPforaroriateaction.
VERIFYMainFeedPump
RecirculationValves1FW-8and1FW-39areshutwhentotalMainFeedPumpflowis
greaterthan8600KPPH.
Monitors turbine and feedwatersystemresponse.
The crew may elect to start a dilution before the power change is initiated.OP-107isa"Reference
Use" procedure.
The dilution steps are provided for evaluator use.DETERMINEthevolumeof
makeupwatertobeadded.Thismaybedoneby
experienceorviathereactivityplan
associatedwiththe Simulator IC.SETSFIS-114, TOTAL MAKEUPWTRBATCH COUNTER, toobtainthedesiredquantity.
Appendix DNUREG1021Revision9HARRIS2008NRC
Scenario2Revision2Page6of39
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO2EVENT1-POWER CHANGEROSETtotalmakeupflowasfollows:
- IF performingDILinStep8,THENSET
controller1CS-151,FK-114RWMUFLOW,forlessthanorequalto90gpm.*IF performingALTDILinStep8,THENSET
controller1CS-151,FK-114RWMUFLOW,forthedesiredflowrate.
RO VERIFYtheRMW CONTROLswitchhasbeenplacedintheSTOPposition.
RO VERIFYtheRMW CONTROLswitchgreenlightislit.
ROPLACEthecontrolswitchRMWMODE
SELECTORtotheDILORtheALTDILposition.PROCEDURENOTE:WhenPRZ backup heaters are energized in manual,PK-444A1,PRZ
Master Pressure Controller(aPI controller)
will integrateuptoa greater than normal output, opening PRZ Spray Valves to return and maintain RCS pressure at setpoint.The resultisas follows:*PORVPCV-444B
will openata lower than expected pressure.*ALB-009-3-2,PRESSURIZERHIGHPRESSDEVIATIONCONTROL, will activateata lower than expected pressure.*Increased probability
for exceedingTechSpec DNS limit for RCS pressure.EVALUATORNOTE:The crew may elect to manually crackopenaPRZ SprayValveto establish PRZ Surge line flow and thereby maintain PRz/RCS boron concentrations
within limits.OPERATE the pressurizer
backupheatersasrequiredtolimit
RO the differencebetweenthe
pressurizerandtheRCSboron
concentrationtolessthan10ppm.
EVALUATOR NOTE: SRO concurrence
should be obtained prior to energizing
theBUHin MANUAL.Appendix DNUREG1021Revision9
HARRIS2008NRC Scenario2Revision2Page7of39
Appendix D Scenario OutlineFormES-D-12008HARRISNRC
SCENARIO2EVENT1-POWER
CHANGE ROSTARTthe makeupsystemasfollows:
- TURNcontrolswitchRMW
CONTROL to START momentarily.
- VERIFYthered indicatorlightislit.
RO VERIFYTavgandrodmotionrespondsasdesired.
RO VERIFY dilution automatically
terminateswhenthe desired quantityhasbeenadded.
RO PLACE Reactor MakeupinAutoperSection5.1.
RO VERIFYtheRMW CONTROL switch:*IsintheSTOPposition.
- Thegreenlightislit.
ROPLACEtheRMWMODE
SELECTORtoAUTO.ROSTARTthe makeupsystemasfollows:
- TURNcontrolswitchRMW
CONTROL to START momentarily.
- VERIFYthered indicatorlightislit.
Appendix DNUREG1021Revision9
HARRIS2008NRC Scenario2Revision2Page8of39
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO2EVENT2-VCTLEVEL
CHANNELLT-115FAILS
LOW Booth Operator Instructions:*On cue from the Lead Evaluator, initiate Event 2...VCTLevel Channel failure (imfLT:115,0 0/0).Indications
Available:
ALB-007-4-3,VCTHIGH-LOWLEVEL
RO RESPONDStoalarm ALB-007-4-3.*The crew may place the power changeonHOLD.Appendix D RO RO RO CONFIRMalarmusingLI-115-1,VolControlTankLevel (MCB-1A2).
DETERMINESLT-115failedLOW.
VERIFY Automatic Functions:*AT 5%VCTlevel,the
followingoccurs:(N/A)*1CS-291,SuctionfromRWST (LCV-115B)
opens.*1CS-292,SuctionfromRWST (LCV-115D)
opens*1CS-165,VCT
Outlet/Dilution (LCV-115C)
shuts*1CS-166,VCT
Outlet/Dilution (LCV-115E)
shuts*AT 20%VCTlevel,auto
makeupfromtheReactorMakeupSystemstarts.(YES)*AT 40%VCTlevel,auto
makeupfromtheReactorMakeupSystemstops.(N/A)*AT 80%VCTlevel, 1CS-120,VCTLevelControlVlv,fullydivertsletdownflowtotheRHT.(N/A)NUREG1021Revision9
HARRIS2008NRC Scenario2Revision2Page9of39
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO2EVENT2-VCTLEVEL
CHANNELLT-115FAILS
LOWROPERFORMCorrectiveActions:
Procedure Caution: LowVCTlevelisa precursortogas bindingtheCSIPs.*MATCHchargingandletdownflows.
- IFchargingflowislost,(NO)THENGOTOAOP-018,ReactorCoolantPumpAbnormalConditions.
ProcedureNote:If eitherLT-112orLT-115
falls high, the automatic CSIP suction swapover fromtheVCTtotheRWST
will not function'if required.SROIFEITHERofthefollowingoccurs:*VCTlevelislessthan
20%AND automaticmakeupisNOTinprogress*VCTlevelisgreaterthan
40%AND automaticmakeupisstillinprogressTHENGOTOAOP-003,MalfunctionofReactorMakeupControl.
CREW CHECK instrumentairavailable.(YES)
RO CHECKBOTHLT-112andLT-115functioningproperly.(NO)SROGOTOSection3.1,LT-112orLT-115Malfunction.REFERTO Attachment1,VCTLevelControlChannelsSROOperation,as
necessarytoassesstheeffectsofanLT-112orLT-115malfunction.
Evaluator'sNote:Crewmay
brief on Attachment
1.Procedure Note: An instrument
malfunction
may manifest itselfasa slow drift rather than a"full high" or"full low" failure.Until the instrument
has failed fUlly high or fullylow,all steps should be reviewed for applicability
periodically,evenif not continuously
applicable.
Appendix DNUREG1021Revision9HARRIS2008NRCScenario2Revision2Page10of39
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO2EVENT2-VCTLEVEL
CHANNELLT-115FAILS
LOW RO CHECK thatisFAILING.(YES)
RO MONITORVCTlevelusing
eitherofthefollowing:
- ERFISpoint
LCS0112*LI-112(local)
RO CHECKLT-115FAILINGLOW.(YES)
ROPLACERMW CONTROLSwitchinSTOP.
Procedure Note: Normally,VCTlevelis
maintained
between 20 and 400/0 by auto makeup.RO CONTROLVCTlevelasfollows:
- MAlNTAINlevel
BELOW 70%.*MAINTAIN level ABOVE 20%ORDESI'REDMINIMUM.
RO MAINTAINVCTlevel GREATERTHAN5%.Procedure Note: Lifting leadsinthe following step will simulate a low-low level signal from the failed instrument.
Thisisto allow a valid low-low level signal one instrument
to initiate emergency makeup.RO CHECK the malfunctioning
instrumentFAILINGLOW.(YES)
SRO DIRECT Maintenance
to investigateandrepairthe
instrument
malfunction.
SRO CHECKthatthe instrument
malfunctionhasbeenrepaired.
SRO WAITuntilrepairsare
complete before proceeding.
Evaluator's
Note:TheLead Evaluatorcancue Event 3(MCC1 A34 Feeder Breaker failur.e)when the crew is waiting for the instrument
repair.Appendix DNUREG1021Revision9
HARRIS2008NRC Scenario2Revision2Page11of39
AppendixDScenarioOutlineFormES-D-1.2008HARRISNRC
SCENARIO2EVENT3-MCC1A34FEEDERBREAKERTRIP(LOSSOFFANCOOLER
AH-3)-Booth Operator Instructions:*On cue from the Lead Evaluator, actuate Event3-MCC1A34 Feeder Breaker trip (XD11121)Indications
Available:
- ALB-001-6-5, ENGINEERING
SAFEGUARDFEATURESSYSTEMTRAINA
BYPASSED OR INOPERABLE
- ALB-027-8-2, CONTAINMENTFANCOOLERSAH-3FLOWLOW
OIL RO BOPRespondstoalarmALB-001-6-5.RespondstoalarmALB-027-8-2.
RO RO RO/BOP BOP SROReportsalarm
condition(s)onEngineeredSafeguardFeatureBypassPanelA.RefertoAPP-ESF-A-4-1forthewindowindicatedinalarmonESFBypassPanelA.
Reports ContainmentFanCoolerAH-3tripped.Reportsnopowerto1A34.
DispatchesAOtoinvestigate.
Booth Operator Note: Report1A34 feeder breaker is open-cause unknown.Evaluator Note:TheSRO should direct the BOP to shift to the Train"B" coolers(AH-1andAH-4).The
following steps should be completed forAH-1and repeated forAH-4(in either order)then AH-2 should be stopped.SRODirectsBOPtoshifttoTrain"B"FanCoolers.AppendixDNUREG1021Revision9HARRIS2008NRCScenario2Revision2Page12of39
AppendixDScenarioOutlineFormES-D-12008HARRISNRCSCENARIO2EVENT3-MCC1A34FEEDERBREAKERTRIP(LOSSOFFANCOOLERAH-3)BOPVerifiesInitialConditions.BOPPlacescontrolswitchforbothfansinAH-1/AH-4toLO-SPD.
Evaluator's
Note: Procedure Note indicates the next two steps must be completed without delay to avoid coastdown.BOPPlacecontrolswitchesforAH-1/AH-4toSTOP.BOPPlacecontrolswitchesforAH-1/AH-4toHI-SPD.BOPPlacescontrolswitchesforAH-2fansinSTOP.BOPRestoresnormalcontainmentpurge:*Opensnormalinlet/dischargeCP9/CP5*Opensnormalinlet/dischargeCP6/CP3PlacesswitchforNormalPurgeSupplyFantoSTART.
Procedure Note: Controls are now aligned for thefanto auto start if/when CNMT pressure reaches the negative value setpoint.SROContactsWorkControlforassistance.EntersTS3.6.2.3Actiona.(RestorebothtrainstooperableSROwithin7daysorbeinHSBinthefollowing6hours)ReferenceTS3.6.1.5(NAuntil>120°F)
Lead EvaluatorNote:Cue Event4(NSW Pump" A"'sheared shaft)after the fan coolers are aligned in accordance
with SRO directions
and the Fan CoolerTShasbeen entered.AppendixDNUREG1021Revision9HARRIS2008NRCScenario2Revision2Page13of39
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO 2 EVENT4-NSWPUMP"A" SHAFT SHEAR" Booth Operator Instructions:
Actuate" Event4-NSW Pump"A" sheared shaft(NSW07A)oncue
from the Lead Evaluator.
Indications
Available:
- ALB-02-6-1,SERVWTRSUPPLYHDRALOWPRESS;
- .ALB-02-7-1,SERVWTRSUPPLYHDRBLOWPRESS;
- ALB-02-7-2,SERVWTRPUMPSDISCHARGELOWPRESS
RO Responds to ALB-02 alarms-reportslowNSW
header pressurewithpumprunning
indication.
EVALUATORNOTE:TheESW
Pumps will auto start on low header pressure.Immediate Action RO CHECKESWflowlosttoANY
RUNNINGCSIP-MORETHAN
1-minute: (NO)SROGOTOStep2.
Immediate Action SRO CHECKESWflowlosttoANY
RUNNINGEDG-MORETHAN
1-minute: (NO)BOOTHOPERATOR:
There are several points in the AOP whereanAO may be dispatched
to check for leaks and proper operation of equipment.
Report no leaks, no breaker problems but when dispatched
to the pump, report that the coupling appears to have failed and request maintenance" assistance.
Appendix D SRO RO/SRO SROGOTOStep3.GOTOthe appropriatestepas indicatedbythe parameter LOST:*NSWPump failure (YES)*NSWPumplossof
flow ProceedstoStep6NUREG1021Revision9
HARRIS2008NRC Scenario2Revision2Page14of39
AppendixD.Scenario Outline Form
12008HARRISNRC
SCENARIO2EVENT4-NSWPUMP"A"SHAFTSHEAR
RO CHECKlossofNSW HeaderduetoNSWPumpFAILEDorLOSSOFFLOW.
START standbyNSWPumpasfollows:
- VERIFY dischargevalvefor affectedpumpisCLOSINGbyplacingaffectedpumpcontrolswitchtoSTOP.
- START standbyNSWPumpinprimingmodeby
momentarily
placing standbyNSWPumpcontrolswitchtoSTART.*WHEN dischargevalveforaffectedpumpisfullySHUT,THENPLACEandHOLDcontrolswitchforrunningpumptoSTARTtofullyOPENpump
discharge valve.RO CHECKANYNSWPump-RUNNING.(YES)SROGOTOSection3.2(page30).
SRO CHECK TurbinetriprequiredbyANYofthe
following conditions-EXIST:(NO)
- NoNSW Pumpcanbe operated*Non-isolableleakexistsintheNSWsystem
- Majorisolableleakexistsonthe
TurbineBuildingNSW
HeaderANDtimedoesnot
permit a controlled
plant shutdown SRO OBSERVENotepriortoStep13ANDGOTOStep13.PROCEDURENOTE:
Steps 13 through 19 address leaksonNSW turbine building header.Leaks on individual
components
supplied by the Turbine Building header are addressed by Steps20and21.CREW CHECKforminorisolableleakon
Turbine Building header-ANY EXISTING.(NO)SROGOTOStep20.
CREW CHECKforleakinanindividual
component-ANYEXISTING.(NO)Appendix DNUREG1021Revision9.HARRIS2008NRC
Scenario2Revision2Page15of39
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO 2 EVENT4-NSWPUMP"A" SHAFT SHEAR SROGOTOStep22.
CREW CHECKforleakon WPB header-ANY EXISTING.(NO)GOTOStep24.
RO CHECKthatNSWPump(s)-
MALFUNCTIONED.(YES)CREWPERFORMthe
following for affectedNSWPump(s):
CHECKNSWPump breaker(s)
-MALFUNCTIONED.(NO)SROGOTOStep25.b.
RO/BOP CHECK adequatepumpsuction
inventory EXISTS:*LI-9300.1, Service WaterPMPA CHMBR LVL, GREATER THAN 51%(ERFIS LSW9300)*LI-9302,Service
WaterPMPBCHMBRLVL, GREATER THAN 51%(ERFIS LSW9302)*LI-1931,Cooling
TowerBasinLevel, GREATER THAN31inches Locally VERIFY the followingforthe affectedNSWPumpperOP-139,Service
Water System: CREWPropercoolingandsealwater
supplytoNSWPumps.
- Proper operationofNSW strainer b.ackwash.
CREW Locally CHECKNSWPump(s)forsignsof
damage (shaftshearorother
obvious problems).
SRO INITIATE appropriate
correctiveactionforthelossofNSW.
SRO Completes an Equipment Failure Checklist and contacts WCC for assistance.TheLead Evaluatorcancue Event5(SG"C" Pressure Channel failure)after assistance
is requested or whenAOP-022is exited.Appendix DNUREG1021Revision9HARRIS2008NRC
Scenario2Revision2Page16of39
AppendixDScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO2EVENT5-SG"C"STEAMPRESSURECHANNELFAILSHIGH Booth Operator Instructions:
Indications
Available:
Actuate Event5-SG"C" Controlling
Steam Pressure Channel Fails HI (imfPT:495)oncue
from the Lead Evaluator.
ALB-014-1-2and2-2(LOOPAandLOOPBHISTEAMLINEBOP EVALUATOR'S
NOTE:RESPONDStoalarms
ALB-014-1-2and2-2(LOOPHISTEAM
LINETHEBOPmay take MANUAL control of the associated
FRV prior to entering the APP.BOPPLACESFRVforSG"C"inMANUALandcontrolsflow.BOOTHOPERATORNOTE:If
directed to investigate
locallyonRAB261 rack, report"PT-495is not leaking".EVALUATOR'SNOTE:TheSRO
may direct a swap to Channel4to regain auto control.TheOWP also accomplishes
this action.BOPSelectsChannel4(PT-496)forcontrol.BOPRestoresFRV"C"toAUTO.
SRO CONTACTSworkcontrolforassistance.AppendixDNUREG1021Revision9HARRIS2008NRCScenario2Revision2Page17of39
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO2EVENT5-SG"C"STEAM
PRESSURE CHANNELFAILSHIGHENTERSTS:*3.3.1.aReactorTrip
Instrumentation,Action6*3.3.2.aESFInstrumentation,Action19
SROBothrequiretrippingtheinoperablechannelwithin6hours.
and*3.3.3.6.a.AccidentMonitoring
Instrumentation-restore the inoperablechannelwithin7days.(Not
applicablebutmayinitiateatrackingEIRrelatedto
thisTS)EVALUATOR'S
NOTE: After theFRVisinAUTOand
theTShasbeen entered, the Lead Evaluator can cue Event6(SGTL).Appendix DNUREG1021Revision9HARRIS2008NRCScenario2Revision2Page18of39
Appendix 0ScenarioOutlineFormES-D-12008HARRISNRCSCENARIO2EVENT6-SG"C"TUBELEAK/FCV-122FAILSAS-IS
Booth Operator Instructions:
Indications
Available:
Prior to actuating this trigger the Booth Operator must read FCV-122 position off of the summarypageand type that value into theFINALVALUE
box.Actuate Event6(SG"C" Tube LeaklFCV-122
fails to trackinAUTO)ALB-009-2-2,PRESSURIZERCONTROLLOWLEVELDEVIATION
ALB-10-4-5,RADMONITORSYSTEMTROUBLERORespondstoalarmsand/orindicationsofRCSleakage.
- EVALUATOR'S
NOTE: Multiple alarms associated
with RCS leakage will direct implementation
ofAOP-016,EXCESSIVE
PRIMARY PLANT LEAKAGE.The leakrateis approximately60GPM.Letdown will have to be reduced or isolated to stabilize charging flow on scale.*TheRO may take MANUAL control of FCV-122, Charging Flow ControlValve,at any point after the failure is recognized.PROCEDURENOTE:
- This procedure contains no immediate actions.Throughout
this procedure, as wellasallAOPs, actions are based on valid alarms and instrumentation.
Actionsbasedon invalid indication
are not applicable.
When possible (except in the cases of rapidly propagating
leaks and leaks approaching
ActionLevel3), leakage should be qualitatively
confirmed prior to declaration
of an action level.Leakage is qualitatively
confirmed when two different indications (such as grab samples or radiation monitors)trend in the same direction with the same approximate
order of magnitude.RO/SROCHECKRHRinoperation.(NO)GOTOStep3.
Appendix 0NUREG1021Revision9HARRIS2008NRCScenario2Revision2Page19of39
Appendix D Scenario OutlineFormES-D-12008HARRISNRC
SCENARIO2EVENT6-SG"C"TUBE
LEAK/FCV-122FAILSAS-IS
SROREFERTOPEP-110, Emergency ClassificationAndProtective
Action Recommendations,ANDENTERtheEAL
Networkatentry point x.PROCEDURENOTE:
This stepisa qualitative
check for leakage obviously in excess ofMakeUp capability.
Isolation of letdown may be necessary.
A formal calculation
to determine the leakrate is performed in Step 16.RO CHECK RCS leakagewithinVCT makeupcapability.(YES)PROCEDURENOTE:IfCSIP suction is re-aligned
to the RWST, negative reactivity
addition should be anticipated.
RO MAINTAINVCTlevel GREATERTHAN5%.SROGOTOstep10.PROCEDURENOTE:Ifa
Containment
Ventilation
Isolation signal has occurred,TechSpec3.0.3is
applicable, since both trains of Containment
Vacuum Relief are inoperable.
SRO CHECK valid CNMT Ventilation
Isolation monitors (REM-3561A,B,CandD)ALARMCLEAR.(YES)
SRO CHECKRM3502A,RCSLeakDetectionRadiationMonitor,ALARMCLEAR.(YES)
SRO CHECKALLvalidAreaRadiation
MonitorsALARMCLEAR.(YES)SRO CHECKvalidStack
MonitorsALARMCLEAR.(YES)
Appendix DNUREG1021Revision9
HARRIS2008NRCScenario2Revision2Page20of39
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO 2 EVENT6-SG"c" TUBE LEAK/FCV-122FAILSAS-IS
SRO DETERMINE if unnecessarypersonnelshouldbe
evacuatedfromaffected'areas,asfollows:
- CHECKthatanRCSleakoutside
Containment
hascausedavalidRMSalarm.(NO)
SROGOTOStep14.d.
SRO CHECKthatavalidRMS
SecondaryMonitorHIGHALARMindicatesaSGtubeleakmayexist.(YES)
ROSOUNDlocal
evacuation
alarm.ANNOUNCEonthePA:"Attentionall
personnel.HighradiationlevelsmayexistinportionsofthepowerblockduetoSGtubeleakage.
UnnecessarypersonnelevacuatetheRABand Turbine Building, includingtheSteamTunnel.Further
announcementswillbemadeassurveysare
performed." CREW NOTIFY Chemistrytostopany primary sampling activities.
EVALUATOR'S
NOTE:*If not already done,inthe following step the RO should take MANUAL control of FCV-122.*TheSRO may direct a reduction in letdown flow in the following step.RO PERFORManRCSflowbalance
calculationasfollows:
CONTROL chargingflowusingFK-122.1,tostabilizePRZ
level.OPERATE the followingletdownorificevalvesas
necessary to maintain chargingflowonscale:
- 1CS-7,45gpmLetdownOrificeA
- 1CS-8,60gpmLetdownOrificeB
- 1CS-9,60gpmLetdownOrificeC
Appendix DNUREG1021Revision9HARRIS2008NRC
Scenario2Revision2Page21of39
Appendix 0 Scenario OutlineFormES-D-12008HARRISNRC
SCENARIO2EVENT6-SG"c" TUBE LEAK/FCV-122FAILSAS-IS
Evaluator Note: Entering Primary-to-Secondary
Leak ActionLevel3is more restrictive
than the TS Action Statement and therefore meets the TS action requirement.Whentheleakrateis
estimated(approx.60GPM)theSRO
SROshouldenterTS3.4.6.2.b (Reducetowithinlimitswithin4hoursorbeinHSBwithinthenext6hours).
CREW DETERMINEleaklocation(SGs)
SRONOTIFYHealthPhysicsofleaklocationandradiationlevelsSROGOTO Attachment1for Primary-to-Secondary
Leak SRO NOTIFY Chemistry to implement CRC-804PROCEDURENOTE:Fora known leak rate greater than 150 gpd(PSAL3 threshold), the UnitSCQmay direct performance
of Attachments9,10and11 while the remaining steps of Attachment1are being completed.
RO CHECKknownleakrateis
<150gpd(0.1gpm)(NO)
SRO'GOTOStep4 SRO DETERMINEleakingSteam
Generator(Mayhaveenough
information
to determineleakingSGis"C")
SRO CHECK SecondarySystemRadiation
monitoralarmsCLEAR (YES/NO dependingonpace through procedure)
SRO CHECKSGTubeleakageiswithinTSLimits(NO)
,SROStart CVPETS AppendixDNUREG1021Revision9
HARRIS2008NRCScenario2Revision2Page22of39
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO2EVENT6-SG"C"TUBE
LEAK/FCV-122FAILSAS-IS
SRO CHECKvalidAuxSteam
CondensateradiationmonitorsALARMCLEAR:(YES)
SRO NOTIFY ChemistrytosampletheAuxiliarySteamSystemfor
activity.UsingTablein
Attachment
1, determinetherequiredAction
SROLevel:(ACTIONLEVEL3,Perform
Attachment11,Reducepowerto 50%within1hour,BeinMode3withinthenext2hours,(3hourstotaltime)
Evaluator Note:TheLead Evaluatorcancue Event7(LOOP)after the crew has calculated
the roughSGTLrate, evaluated theTS,and declared the appropriate
Action Level.Appendix DNUREG1021Revision9HARRIS2008NRCScenario2Revision2Page23of39
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO 2 EVENT-LOOP/SG"C" TUB,E RUPTURE BOOTH OPERATOR:*Actuate Events7and10[imf eps01 (LOOP)/imfPT:308c(SGPORV
failsOPENinAUTO)]oncue
from the Lead Evaluator.
Multiple alarms/lighting
transfers CREWPerformsPATH-1
immediate actions.ROVERIFYReactorTrip:
- AUTOor MANUAL ReactorTripsuccessful:
- CHECKforanyofthe
following:
- TRIP breakersRTAandBYAOPEN(YES)
- TRIP breakersRTBandBYBOPEN(YES)
- RODBottomlightsLIT(No
Indication)
- NEUTRON flux decreasing (YES)BOP VERIFYTurbineTrip:
- CHECKforanyofthe
following:
- ALL turbine throttlevalves-SHUT(YES)
- ALLturbine
governorvalves-SHUT(NoIndication)
BOP VERIFYpowertoAC Emergency Buses:*1A-SAand1B-SBBuses
energizedbyoff-sitepowerorEDG's(NO)BOP Check AC emergencybus1A-SAOR1B-SB-
ENERGIZED (NO)Evaluator Note: The crew may analyze the condition of EDG's"A" and"B", noting that EDG"B" is running with the breaker OPEN but no trip alarms.Such being the case, the SRO may direct theBOPto close EDG"B" breaker before entry intoEPP-001.The
breaker SYNCH Switch mustbeONtodoso.
I Appendix DNUREG1021Revision9HARRIS2008NRC
Scenario2Revision2Page24of39
Appendix DScenarioOutlineFormES-D-1
2008 HARRIS NRC SCENARIO2EVENT7-10-
LOOP/SG"C"TUBERUPTUREROVERIFY ReactorTrip(YES)ROVERIFY TurbineTrip(YES)ROCHECKifRCSisolated:
- CHECKPRZPORVs-SHUT.(YES)
- VERIFYexcessletdownvalves-SHUT.(YES)
- 1CS-460*1CS-461 BOP VERIFYAFWFlowandControlSGLevels:
- VERIFYAFWFlow-GREATERTHAN210KPPH.(NO)*ANYlevel-
GREATER THAN 250/0[40%].(YES/NO dependingonpace)*Maintain210KPPHuntil
>25%in SG.Appendix D SRO BOP EVALUATE EAL NetworkusingEntryPointX.
Verify AC Emergency Bus Cross-Ties
to Non-Emergency
ACBuses-OPENVerifyanycrosstietoBus1A-SA-OPEN(YES)
- Breaker 104*Breaker105 VerifyAnycrosstietoBus1B-SB-OPEN(YES)
- Breaker 124*Breaker 125NUREG1021Revision9
HARRIS 2008NRCScenario2Revision2Page25of39
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO2EVENT7-10-LOOP/SG"C"TUBE
RUPTURE BOP ENERGIZE AC EmergencyBusesusingEDGs:
- CHECKEDG1Aand1
B-AVAlLABLE*EDG emergencytripsCLEAR(NOT
PRESENT).(1A-NO,1B-YES)
- EDGoutput breakers-NORMAL (NOT TRIPPED).(YES)BOP*CHECKanyEDG-RUNNING.(YES-B)
SRO*GOTOStep7e.
BOP*CHECKanyAC emergencybus-ENERGIZED:
- 1A-SAbusvoltage(NO)
- 1B-SBbusvoltage(NO)
BOP PERFORMthefollowing:
CRITICAL*Energize1B-SBby closing Breaker 126 before RCS TASKFeedandBleed
criteriaismet EVALUATOR'S
NOTE: The Synch.Switch must be turnedONto satisfy the interlock for closing the breaker from the MCB.SROGOTOStep7h.
BOP CHECKanyAC emergencybus-ENERGIZED:
- 1A-SAbusvoltage(NO)
- 1B-SBbusvoltage(YES)
SRO IMPLEMENT Function Restoration
Proceduresasrequired.
SRO TransitionstoPATH-1,Step4.BOOTHOPERATOR:
Actuate the event trigger for SGTR when the crew returns to performing
actionsinPATH-1.EVALUATOR NOTE: The crew will likely transitiontoEPP-004 before SGTR symptoms are evident.Appendix DNUREG1021Revision9HARRIS2008NRC
Scenario2Revision2Page26of39
AppendixDScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO2EVENT7-10-LOOP/SG"C"TUBERUPTURE
RO CHECKSIActuation(NO)SIRequired (NO)" SRO RO SRO SRO EVALUATOR'S
NOTE: RO RODirectsaMANUALSIin
accordancewithFoldoutcriteria.InitiatesaMANUALSI.
Transitions(orcontinues)toPATH-1,EntryPoint"A".
FOLDOUTAapplies.The following actions should be taken in accordance
withFOLDOUTA criteria during the scenario:*Verify Alternate Miniflow Isolation Valves or Miniflow Block.ValvesCLOSE
when RCS Pressure lowers to less than 1800 PSIG.VERIFYALLCSIPsANDRHRpumps-RUNNING.(NO-only"B"Train)CHECKSIFlow:*SIflow-GREATERTHAN200GPM.(YES)RORCSpressure-GREATERTHAN230PSIG.(YES)
BOP CHECKMainSteamIsolation:*MAINsteamisolation-
ACTUATED.(NO)BOPMAINsteamisolation-REQUIRED.(YES/NO)*Steamlinepressure-LESSTHAN601PSIG.*CNMTpressure-
GREATERTHAN3.0PSIG.AppendixDNUREG1021Revision9HARRIS2008NRCScenario2Revision2Page27of39
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO 2 EVENT7-10-LOOP/SG"C"TUBERUPTURE
- MANUAL closureofallMSIVsANDbypassvalvesis
desired.RO CHECK CNMTPressure-HASREMAINEDLESSTHAN10PSIG.(YES)
BOP CHECKAFWStatus:
- AFWflow-ATLEAST210KPPH
AVAILABLE.(YES)EVALUATOR'SNOTE:The crew may identify SG"C" as ruptured at this time and isolate AFW.BOP CHECKanySG level-GREATER THAN 250/0[40%].(YES)
VERIFY Alignment of Components
From ActuationofESFAS BOPSignalsUsing
Attachment
6,"Safeguards
Actuation Verification", While ContinuingwiththisProcedure.
EVALUATOR'S
NOTE:*TheRO will perform all board actions until the BOP completes Attachment6.TheBOPis
permitted to properly align plant equipment in accordance
with Attachment
6 without SRO approval.The Scenario Guide still identifies
both board positions because the time frame for completion
of Attachment6is not predictable.
Attachment6is clipped to the back of this guide.*The crew may recognize that SG"C"PORVis 100 0 k open during attempts to control RCS temperature.
In that case, he/she may take MANUAL control and closeitat any time after the malfunction
is determined.
If that occurs then a transitiontoEPP-014is
not required.BOPControlRCS
Temperature:StabilizeAND
maintain temperature
between 555°F AND 559°FusingTable1.
- Controlfeed
flowandsteamdumptostabilize
temperaturebetween555
OFAND559 OF BOP VERIFYACbuses1A1(NO)AND1B1-
ENERGIZED.(YES)Appendix DNUREG1021Revision9
HARRIS2008NRC Scenario2Revision2Page28of39
AppendixDScenarioOutlineFormES-D-1
2008 HARRIS NRC SCENARIO2EVENT7-10-LOOP/SG"C"TUBERUPTURE
RO RO RO CHECKPRZPORVs-SHUT.(YES)
CHECKblockvalves-ATLEASTONEOPEN.(YES-All
OPEN)PRZsprayvalves-SHUT
..(YES)EVALUATORNOTE:If the crew has not identified
SG"C" PORVas OPEN then a transitiontoEPP-014 should occur.IfSG"C"PORVhas been closed in MANUAL then the crew will continuein1to the PATH-2 transition.(Page31 of this guide.)BOP IDENTIFYanyfaultedSG:
- CHECKforanyofthefollowing:*ANYSGpressures-
DECREASINGINAN UNCONTROLLEDMANNER(YES-"C")*ANYSG-COMPLETELY
DEPRESSURIZED.(NO)BOOTHOPERATOR:If
directed to walk down the system to check for leaks: Wait 3 minutes and then report SG"C" PORV tailpipe blowing steam.PROCEDURENOTE:
- At leastoneSG must be maintained
available for RCS cooldown.*Any faultedSGOR secondary break should remain isolated during subsequent
recovery actions unless needed for RCS cooldown.SRO IMPLEMENTFunctionRestorationProceduresasrequired.
BOP CHECKMSIVsandBYPASSValves:*VERIFYallMSIVs-SHUT.AppendixDNUREG1021Revision9HARRIS2008NRCScenario2Revision2Page29of39
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO2EVENT7-10-
LOOP/SG"c"TUBERUPTURE
BOP VERIFYallMSIVbypassvalves-SHUT.(YES)
BOP CHECK anySGNOTFaulted:
-*ANYSG pressure-STABLEOR INCREASING.(YES,"A"and"B").
BOP IDENTIFYanyFaultedSG:
- CHECKforanyofthefollowing:
- ANYSGpressure-
DECREASINGINAN UNCONTROLLED
MANNER(YES-"C")BOP ISOLATEFaultedSG(s):
- VERIFYfaultedSG(s)PORV-SHUT(NO)
Critical*Places SG"C"PORVin MANUAL and closes to Task terminate the release before exiting EPP-014.*VERIFYMainFWisolationvalves-SHUT(YES)
- VERIFYMDAFWand TDAFWpumpisolationvalvestofaultedSG(s)-SHUT
- SHUTfaultedSG(s)steam
supplyvalveto TDAFWpump-SHUT*ClosesisolationfromSG"C":1MS-72
- VERIFYmainsteamdrain
isolation(s)
before MSIVs-SHUT:*SGA:1MS-231(YES)
- SGB:1MS-266(YES)
- SGC:1MS-301(CLOSES)
- VERIFYSGBlowdownisolationvalves-SHUT(YES)
- VERIFYmainsteam analyzerisolationvalves-SHUT (YES)BOP CHECK CST Level-GREATER THAN 10%(YES).Appendix DNUREG1021Revision9
HARRIS2008NRCScenario2Revision2Page30of39
AppendixDScenarioOutline
Form ES-D-12008HARRISNRCSCENARIO2EVENT7-10-LOOP/SG"c"TUBERUPTUREPROCEDURENOTE:A5Gmaybe suspectedtobe rupturedifit fails to dry out following isolation of feed flow.Local checks for radiationcanbe used to confirm primary-to-secondary
leakage.'EVALUATORNOTE:The"Check secondary radiation" could be answered YES or NO, depending on the condition of the alarm before 51 was initiated.SROCHECKSecondaryRadiation:
- SGBlowdownradiation-NORMAL(YES/NO)
- MAINsteamlineradiation-NORMAL(YES/NO)BOPCHECKSGLevels:
- ANY level-INCREASINGINANUNCONTROLLEDMANNER(YES,"C")SROFOLDOUTCapplies.
EVALUATOR'SNOTE:No actions should result from FOLDOUT"C" during the remainder of the scenario.SROEVALUATEEALNetworkusingEntryPointU.SROIMPLEMENTFunctionRestorationProceduresasrequired.PROCEDURENOTE:TheRCP
Trip Criteriaisin effect untilanRCS cooldown is initiated.ROCHECKRCPTripCriteria:
- ANYRCP-RUNNING(NO)BOPIDENTIFYanyrupturedSG:
- CHECKforanyofthefollowing:AppendixDNUREG1021Revision9HARRIS2008NRCScenario2Revision2Page31of39
AppendixDScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO 2 EVENT.7-10-LOOP/SG"c"TUBERUPTURE
- SG level-INCREASINGINAN UNCONTROLLEDMANNER(YES-"C")PROCEDURECAUTION:
- At leastoneSG must be maintained
available for RCS cooldown.*If the TDAFW pump is the only available source of feed flow, one steam supply valve from an intact SG must be maintained
open.BOPISOLATEFlowFromRupturedSG:
ADJUSTrupturedSGPORV
controller
setpoint to 88%(1145PSIG)ANDplaceinauto.
- PlacesSG"C"PORVin
MANUALandcloses.ItshouldNOTbeplaced.inAUTO.IfitisplacedinAUTOthenthe
operator should determinethatithasopened,placeitinMANUAL,closeit,andleaveitinMANUAL.
- CHECKrupturedSGPORV-SHUT.(YES/NO)
- SHUTrupturedSGsteamsupplyvalvetoTDAFWpump:
- MS-70and72aretaggedSHUT
- VERIFY blowdownisolationvalvesfromruptured
SG-SHUT(YES)*SHUTrupturedSGmainsteamdrainisolationbefore
MSIV:*SGA:1MS-231
- SGB:1MS-266
- SGC:1MS-301
- SHUTrupturedSGMSIVandBYPASSvalve.(SG"C")BOPRupturedSGMSIVandbypassedvalvesSHUT(YES)
SRO ObserveCAUTIONpriortoStep8ANDGOTOStep8.PROCEDURECAUTION:If
rupturedSGis faultedANDisNOT needed for RCS cooldown,THENfeed flow to that SG should remain isolated.AppendixDNUREG1021Revision9HARRIS2008NRCScenario2Revision2Page32of39
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO2EVENT7-10-LOOP/SG"C"TUBERUPTURE
BOP MONITORRupturedSGLevel:
- RUPTUREDSG-FAULTED(NO)
- Level-GREATER THAN 25%*Stopfeedflowbyshuttingthe
MDAFW and TDAFWisolationvalvestotherupturedSG.PROCEDURECAUTION:The
steam supply valve from the rupturedSGtothe TDAFW pump should be shut OR isolated before continuing.
BOP CHECKRupturedSG(s)Pressure-
GREATERTHAN260PSIG[350PSIG](YES)ROBlockLowSteamPressureSI:
- Pressure-LESSTHAN2000PSIG(YES)
- BlocklowsteampressureSI.PROCEDURENOTE:
After the low steam pressure SI signal is blocked, main steamline isolation will occurifthe high steam pressure rate setpoint is exceeded.SROPrepareForRCSCooldown:
- AtleastoneintactSG-
AVAILABLEFORRCS COOLDOWN (YES)*GOTOStep11e.
- Determinerequiredcoreexit
temperaturebasedonlowestrupturedSGpressure:PROCEDURECAUTION:IFRCPsareNOT
running, an invalidREDorORANGE
condition forRCSINTEGRITYCSF-4may
occur during the following steps.Disregard ruptured SG wide range cold leg temperature
untilStep39 completed.BOPInitiateRCSCooldown:
Checkallofthe following to determineifsteamcanbedumped
to condenser:
Appendix DNUREG1021Revision9HARRIS2008NRC'
Scenario2Revision2Page33of39
Appendix DScenarioOutlineFormES-D-1
2008 HARRIS NRC SCENARIO2EVENT7-10-
LOOP/SG"C"TUBE RUPTURE EVALUATORNOTE:Thereisno
power to the SG"A" PORV controller.TheSRO should direct local operation.BOOTHOPERATORNOTE:If
directed to control SG"A" PORV locally:*irf mss027 TO LOCAL OPSDumpsteamfromintactSGsatmaximumrateusinganyofthe
following(listedinorderof
preference):*SGPORV's*InitiatescooldownusingonlySGPORV's"A"and"B"("A"PORVcanonlybe
operatedlocallyatthispoint)*GOTOStep13.
Evaluator Note: The crew will continue with the procedure while the cooldown is in progress.When the CET temperature
is less than the target then the crew should terminate the cooldown and continue with the procedure.
RO RO MonitorCoreExitTCsWhile
ContinuingWithThisProcedure:*CoreexitTCs-LESSTHAN
REQUIRED TEMPERATURE (NO)*WHENcoreexitTCsless
REQUIRED TEMPERATURETHENdoSteps13bANDc.13.bStopRCScooldown.13.cMaintaincoreexitTCslessthanrequired
temperature.MaintainRCPSealInjectionFlowBetween8GPMAnd13
GPM.PROCEDURECAUTION:*IfanAFW isolation to an intact SG occurs, the signalmaybe reset to allow restoration
ofAFW.(AnAFW
isolation will occurifa main steam line isolation signal is presentANDoneSG pressure decreases100PSIG below the other two SGs.)*If the steam supply valve from the rupturedSGtoTDAFW pump reopens due to decreasing
SG level, it must be restored to the shut position.(Two out of three SG levels decreasing
below 25°k will open both steam supply vales to the TDAFW pump.)Appendix DNUREG1021Revision9
HARRIS2008NRCScenario2Revision2Page34of39
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO2EVENT7-10-LOOP/SG"C"TUBE
RUPTURE BOP CheckIntactSGLevels:
- AnyintactSGlevel-
GREATER THAN 25%[40%](YES)*AFWflow-AT
LEAST210KPPH AVAILABLE (YES)*ControlfeedflowtomaintainintactSGlevelsbetween
25%and 50%[40%and50%]*AnyintactSGlevel-
INCREASINGINAN UNCONTROLLED
MANNER (NO)SROGOTOStep16.
RO CheckPRZPORVANDBlockValves:
- VerifypowertoPORVblockvalves-
AVAILABLE (YES-one)*CheckPRZPORVs-SHUT(YES)
- GOTOStep16f.
- Checkblockvalves-ATLEASTONEOPEN(YES)
- IFaPRZPORVopensonhighpressure,THENverifyitshutsafter
pressure decreasestolessthanopening
setpoint.ROResetSI.SRO Manually Realign Safeguards
EquipmentFollowingALossOf
Offsite Power.ROResetPhaseAANDPhaseBIsolationSignals.(PhaseAonly
is actuated)RO Establish InstrumentAirANDNitrogenToCNMT:Openthefollowingvalves:
- 11A-819..1SI-287 RO CheckRHRPumpStatus:
Appendix DNUREG1021Revision9
HARRIS2008NRC Scenario2Revision2Page35of39
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO2EVENT7-10-LOOP/SG"C"TUBERUPTURE
- RCSpressure-
GREATERTHAN230PSIG(YES)
- StopRHRpumps.("B")ROCheckIfRCScooldownShouldBeStopped:
- CoreexitTCs-LESSTHANREQUIRED
TEMPERATURE (YES/NO)BOP*StopRCScooldown.
- MaintaincoreexitTCslessthanrequiredtemperature.
BOPCheckRupturedSGPressure
- CheckrupturedSGpressure-STABLEOR
INCREASING (YES)*GOTOStep24.
ROCheckRCS Subcooling
-GREATERTHAN30of-C(YES)RO DepressurizeRCSToMinimizeBreakFlowANDRefillPRZ:
- NormalPRZspray-AVAILABLE(NO)
SRO*ObserveCAUTIONpriortoStep26ANDGOTOStep
26.PROCEDURECAUTION
- ThePRTmay ruptureifaPRZPORVis
used to depressurizetheRCS.This may result in abnormal containment
conditions.
- Cycling ofthePRZPORV
should be minimized to avoid the possibility
of the valve sticking.PROCEDURENOTE:The
upper head region may void during RCS depressurizationifRCPsare not running.This will result in a rapidly increasingPRZlevel.RO DepressurizeRCSUsingPRZPORVToMinimizeBreakFlowANDRefillPRZ:PRZPORV-ATLEASTONE
AVAILABLEAppendixDNUREG1021Revision9HARRIS2008NRC
Scenario2Revision2Page36of39
Appendix D Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO2EVENT7-10-LOOP/SG"C"TUBERUPTUREOpenonePRZPORVuntilanyofthefollowing
conditions
satisfied:
- PRZ level-GREATER THAN 75%[60%]*RCS subcooling-LESSTHAN10
of[40DF]-CBothofthefollowing:
- RCS pressure-LESSTHAN RUPTURED SG(s)PRESSURE*PRZlevel-GREATER THAN 10%[30%]RO CheckRCSPressure:
- Pressure-INCREASING (YES)*Observe CAUTIONpriortoStep28ANDGOTOStep
28.PROCEDURE CAUTION: To prevent overfillingtheruptured 51 termination
shouldNOTbe delayed.RO Check SI Termination
Criteria:*RCS subcooling
-GREATERTHAN10of-C(YES)BOP Check secondaryheatsinkusinganyofthefollowing:
- TotalfeedflowtoSGs-AT
LEAST210KPPH AVAILABLE*LevelinatleastoneintactSG-
GREATER THAN 25%[40%]RORCS pressure-STABLE OR INCREASING (YES)ROPRZlevel-GREATER THAN 10%[300/0](YES)ROStopAllButOneCSIP.
'ROIsolateHighHeadSIFlow:
CheckCSIPsuction-
ALIGNEDTORWST Appendix DNUREG1021Revision9
HARRIS2008NRC Scenario2Revision2Page37of39
Appendix DScenarioOutlineFormES-D-12008HARRISNRC
SCENARIO2EVENT7-10-LOOP/SG"C"TUBERUPTUREOpennormal
miniflowisolationvalves:
- 1CS-182*1CS-196*1CS-210*1CS-214 Critical Task Shut BIT outlet valves:*151-3*1SI-4(Nopower)
Shuts 151-3 before SG"O" level indication
reaches 95%.TheLead Evaluator can terminate thescenariowhen151-3isSHUT.
Appendix DNUREG1021Revision9HARRIS2008NRCScenario2Revision2Page38of39
Appendix 0 Scenario OutlineFormES-D-1
2008 HARRIS NRC SCENARIO2EVENT7-10-
LOOP/SG"C" TUBE RUPTURE RevlslonSurnmary
1.CorrectedinitialICtobeIC-5,notIC-9
2.Clarifiedoverfillas"exceeding
95%" 3.CorrectederrorsinSimSetup4.Added MS-70&MS-72 tagged and de-energizedtoSimSetup
5.Clarified order and priorityofalarmsforEvent36.AddedTS 3.6.1.5asaTSthatwillbe
referenced
though not applicable
duringEvent3 7.Clarified where procedure direction is comingfrominEvent3'8.Addedmore
informationonTS 3.3.3.6.a.
applicabilityduringEvent5
9.Extended the guide to allowEvent6torununtil
completion
of Attachment1in AOP-01610.Moved1CS-1*inguidetoreflectorder
operator is expected to operate valve 11.Changed answerforSG Level>25%[40%]to YES/NO dependingonpace12.Addednotethat
Attachmentisclippedtobackof
Guide13.Added clarificationonwhatstepswouldbe
skipped if crew identifiesandshuts open PORVearlyonin scenario.14.'Addeda
secondlineinguidefor
evaluatorstorecordbothrequiredCoreExit
Temperature
and Lowest Ruptured SG Pressure duringsteptoPrepareforRCS
Cooldown 15.Clarified that"A"SGPORVwillonlybe
availabletocontrol locally Appendix 0NUREG1021Revision9
HARRIS 2008 NRC Scenario2Revision2Page39of39
I Appendix D Scenario Outline______Fo_r_m_ES-D-IJ
Facility: HARRIS Scenario No.: 3 Op Test No.:2008NRC Examiners:
Operators:
r:..Initial Conditions:FromIC-27:
- 4.20/0power,MOL,Boron1570PPM.
- Plant startuptofull power in progress.PerformGP-005toStep95.
- No equipment out-of-service.
Turnover:)*The previous shift continuedaplant startup followingashort maintenanceoutage.GP-005, POWER OPERATION,isin progresswithStep94
completed.
Continue the startupbutmaintain
steadystatepowerat
7-9%whileI&C Technicians
complete testingoftheP-7 permissive.CriticalTasks:
- StartCSIP"B"nolaterthanthePATH-1SIflow
verification
step*CloseatleastonePhase"A"IsolationValveineachopenlinenolaterthanthe
completion
of GUIDE1, Attachment
6EventMalt.EventType*
EventNo.No.Description
1 N/AN-BOP,ShifttotheMFW
Regulating
Valves SRO Raise power and stabilize<P-7 2 Z1974TDI C-BOP, Spuriousstartofthe
TDAFW pump Z1975TDI SRO 3 TI:144 C-RO,SRO Letdown Temperature
Controller
fails LO/DiversionValvefailsto
JTB1438 bypass demineralizers
4 RCS098 C-RO, SRORCP"B"rising
vibration TS-SRO 5 CFW16A C-BOP,RunningMFWPumptrips
XB1.1155 SRO StandbyMFWPumpfailstostart
ZR211158 Both MDAFWPumpAUTOstartfailure
ZR211113 6 RCS01AA M-ALL Small Break LOCA CVC05ACSIP"A" breaker trips 7 DSG04A C-RO,SRO Sequencer"B"skipsCSIPload
block 8 ZRPK630A C-BOPSameslaverelayineachtrainfailsto
actuate respective
Phase ZRPK630B"A" Isolation Valves*(N)ormal, (Rjeactivity, (I)nstrument, (C)omponent, (M)ajor Appendix DPage1ot27NUREG1021Revision9
HARRIS2008NRC Scenario3Revision2
I Appendix DScenarioOutlineHARRIS2008NRC
SCENARIO 3 SUMMARYFormES-D-1
IThecrewwillassumethewatchpre-briefedontheinitial
conditionsandtheprocedureineffect(GP-005,POWER
OPERATION).
No equipment is out-of-servicebutI&C Technicians
are performingP-7permissivetesting.Steadystatepowermustbe
maintainedat<10°10poweruntiltheP-7testingiscomplete.Thisdirectionisactuallytoensurepowerislessthan
10°10whenRCPvibrationoccursandtherunningMFWPump
trips.Whenthe evaluatingteamissatisfiedwiththepowerchangeandthe
feedwater controlvalvesareinAUTO(sothattheBOPcanrespond),theLeadEvaluatorcancuethespuriousstartof
the*TDAFWPump.TheBOPshouldrespondtothechangingplant
parametersandrecognizethatthe
TDAFWPumphasstarted.TheLead EvaluatorcancuetheLetdown
Temperature
Controllerfailureoncetheplanthasstabilized.Thecrewshouldrespondin
accordancewiththealarmprocedure.TheROshould manuallybypasstheCVC
Demineralizersandrestoreletdown
temperaturetonormalin
MANUALcontrol.TheCVC
Demineralizerswillremainbypassedpending
an engineering
evaluation.OncuefromtheLeadEvaluator,RCP"B"vibrationwillbegintorise.Thecrewwillrespondtoalarmsand/or
indicationsandenterAOP-018,REACTOR
COOLANT PUMP ABNORMAL CONDITIONS.VibrationwillcontinuetoriseuntilRCPtripcriteriaismet.Sincepoweris<P-7,theRCPcanbestoppedwithoutareactortrip.TheSROshouldenterTS3.4.1.1.WhentheplantisstableandtheRCP-relatedTSentryiscomplete,theLeadEvaluatorcancuethetripoftherunningMFWPump.TheBOPshouldreportthelossofthepump
and/orrespondtoalarms.TheSROshouldenterandconductAOP-010, FEEDWATER MALFUNCTIONS.ActionswillincludestartingtheAFWSystemandloweringpoweras
necessarytomaintainSGlevels.Whentheplantisstable,theLead
EvaluatorcancuetheSBLOCA.ThiswillresultinaMANUALor automaticSIinitiation.
CoincidentwiththeSI,CSIP"A"breakerwilltripandtheLoad SequencerwillskiptheCSIP"B"loadblock.Thecrewshould
manually startCSIP"8"toestablishHHSIintheearlystepsofPATH-1.TheBOPshouldcloseatleastoneisolationvalveinanyunisolatedPhase"A"lineintheprocessofperforming
1, Attachment6.ThecrewwillcontinueinPATH-1untilthetransitiontoEPP-009, POST-LOCA COOLDOWN AND DEPRESSURIZATION,occurs.Thescenariocanbe
terminatedwhenthefirstRCSpressurereductioniscompleteinEPP-009.AppendixDPage2of27NUREG1021Revision9HARRIS*2008NRCScenario3Revision2
Appendix DScenarioOutlineHARRIS2008NRC
SCENARIO 3 SETUPFormES-D-1
SPECIAL INSTRUCTIONS:*ClipacopyofGUIDE-1
Attachment1(SI Alignment)
and Attachment
6 (Safeguards
Actuation Verification)toeach scenarioguideforusebythe
evaluators.*ClipacopyofAOP-018, Attachment1-RCPTripLimits,tothebackofthis
scenario guide.INITIAL CONDITIONS:*IC-27, 4.2%power,MOL,Boron1580
- GP-005 completed throughStep94*ReactivityPlanfor intendedevolution(Raisepowerto
just below 100/0)*Turnover Sheet*Ensurerodstep
countersresettothe
correct value PRE-LOAD:*imfdsg04a:Load
Sequencer"B"skipsCSIPloadblock
- zrpk630a:Phase"A" isolationslaverelayfailure
- zrpk630b:Phase"A" isolationslaverelayfailure*xb1i155: StandbyMFWPumpfailstostart
- zr211158/zr211113:
MDAFWPumpsfailtoAUTOstart
TRIGGERS:Event2: Z1974/Z1975
TDI_ENERGIZED (Spuriousstartof TDAFW)Event3: tt:144 Letdown Temperature
ControllerfailsLO/imf
jtb143b FAIL_RESET,FAIL_ASIS
DemineralizerBypassfailstobypass
automaticallyEvent4:rcs09b30RCP"B" vibrationEvent5:cfw16aMFWPump"A"tripsEvent6:rcs01a
SBLOCA.09 severity (450 GPM)/cvc05a
TRUECSIP"A"trips
Appendix DPage3of27NUREG1021Revision9
HARRIS2008NRC Scenario3Revision2
Appendix D Scenario OutlineFormES-D-1
HARRIS2008NRC SCENARIO3EVENT1-POWER
CHANGE EVALUATOR'S
NOTE: EVALUATOR'S
NOTE: BOP RO Cue Event 2 after power is stabilizedinbandof7%to 9%andtheBOPis
available to respond to indications
of a spurious TDAFW pump start.OP-107isa"Reference
Use" procedure.
Adjustssteamdump demandsignalasnecessary.
Initiatesdilutionas
necessary RO RO RO RO RO RO Appendix D DETERMINEthevolumeof
makeupwatertobeadded.Thismaybedoneby
experienceorviathereactivityplan
associatedwiththe Simulator IC.SETSFIS-114, TOTALMAKEUPWTRBATCH
COUNTER, toobtainthedesiredquantity.SETtotal makeupflowasfollows:
- IF performingDILinStep8,THENSET
controller1CS-151,FK-114RWMUFLOW,forlessthanorequalto
90 qprn,*IF performingALTDILinStep8,THENSET
controller1CS-151,FK-114RWMUFLOW,forthedesiredflowrate.
VERIFYtheRMW CONTROLswitchhasbeen,placedintheSTOPposition.VERIFYtheRMW
CONTROLswitchgreenlightislit.PLACEthecontrolswitchRMWMODE
SELECTORtotheDILORtheALTDILposition.Page4of27NUREG1021Revision9
HARRIS2008NRC Scenario3Revision2
Appendix D Scenario Outline.FormES-D-1HARRIS2008NRC
SCENARIO3EVENT1-POWERCHANGEPROCEDURENOTE:WhenPRZ
backup heaters are energized in manual, PK444A1,PRZ Master Pressure Controller(aPI controller)
will integrate up to a greater than normal output, opening PRZ Spray Valves to return and maintain RCS pressure at setpoint.The resultisas follows:*PORVPCV-444B
willopenata lower than expected pressure*ALB-009-3-2,PRESSURIZERHIGHPRESSDEVIATIONCONTROL, will activateata lower than expected pressure*Increased probability
for exceedingTechSpec DNB limit for RCS pressure NOTE: SRO concurrence
should be obtained prior to energizing
theBUHinMANUAL.
OPERATE the pressurizerbackupheatersasrequiredtolimit
RO the differencebetweenthe
pressurizerandRCSboron
concentrationtolessthan10ppm.ROSTARTthemakeupsystemasfollows:
- TURNcontrolswitchRMW
CONTROLtoSTART momentariiy.
- VERIFYtheRED
indicatorlightisLIT.PROCEDURECAUTION:
The operation should be stoppedifan unanticipated
reactivity
effectisseen.Do not resume the operation until the causehasbeen corrected.ROVERIFYTavgrespondsasdesired.IFrodcontrolisinAUTO,THENVERIFYthecontrolrodsareROsteppingouttothedesiredheight.(N/A-rodcontrolisin
MANUAL)ROVERIFYdilution
automatically
terminateswhenthedesired
quantityhasbeenadded.
ROPLACEReactorMakeupinAUTOperSection5.1.AppendixDPage5of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
Appendix DScenarioOutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT1-POWER
CHANGEROVERIFYtheRMW
CONTROL switch:*IsintheSTOPposition.
- TheGREENlightisLIT.ROPLACEtheRMWMODE
SELECTORtoAUTO.ROSTARTthemakeupsystemasfollows:
- TURNcontrolswitchRMW
CONTROLtoSTART momentarily.
- VERIFYtheRED indicatorlightisLIT.AppendixD SRO BOP BOPDirectsBOPtoperformStep95,PREPAREtoplacetheMain
FeedwaterRegulatingvalvesinservice.PREPAREtoplacetheMain
FeedwaterRegulatingvalvesinserviceasfollows:VERIFYthefollowingMain
FeedwaterRegulatingvalvesareshutwiththeflowcontrollersinmanualwithzero(0or
minimum)controller
output:*1FW-133,MAINFWA
REGULATOR (FK-478)*1FW-249,MAINFWB
REGULATOR (FK-488)*1FW-191,MAINFWC
REGULATOR (FK-498)VERIFYSHUTthefollowingMainFeedRegulatingBlock
valves:*1FW-130,MAINFWABLOCKVLV
- 1FW-246,MAINFWBBLOCKVLV
- 1FW-188,MAINFWCBLOCKVLVPage6of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
Appendix D Scenario OutlineFormES-D..1 HARRIS2008NRC SCENARIO3EVENT1-POWER
CHANGEBOOTHOPERATORNOTE:
- In the following step, report smooth operation ofeachFCV.When
requested to verify: report1FW-136,1FW-252,1FW-194(MainFeedReg
Valve Outlet IsolationValves)allOPEN.
BOPCYCLEthefollowing
controllerstoopenthenshuttheflowcontrolvalves,while
monitoringlocallyforsmooth
operation:
- 1FW-133,MAINFWA
REGULATOR (FK-478)*1FW-249,MAINFWB
REGULATOR (FK-488)*1FW-191,MAINFWC
REGULATOR (FK-498)BOP VERIFYOPENthefollowingMainFeedRegulatingIsolation
Valves:*1FW-130,MAINFWA
BLOCK VLV'*1FW-246,MAINFWB
BLOCK VLV*1FW-188,MAINFWC
BLOCK VLV*1FW-136,MAINFEEDREGVALVEA
OUTLET ISOL*1FW-252,MAINFEEDREGVALVEB
OUTLET ISOL*1FW-194,MAINFEEDREGVALVEC
OUTLET ISOL EVALUATOR CUE: Cue next event once power increasehasbeen observed but beforetheBOP begins to TransferSGLevel Control to theMFRVs.Next
step is included but crew is not expected to reach this step.SRO Declaresmodechangeoncepoweris>5%.
WHEN FeedwaterRegulatingBypassValveFCV
Controller
BOP demandisbetween 700/0and80%,ORwhenReactorPowerisbetween7and9%,THEN
TRANSFERSGlevelcontroltothe
Main Feedwater Regulatingvalvesasfollows:PLACEthe following Feedwater RegulatingValveBypassFCV
ControllersinMAN:*1FW-140,MNFWAREGBYPFK-479.1
- 1FW-256,MNFWBREGBYPFK-489.1
- 1FW-198,MNFWCREGBYPFK-499.1
Appendix DPage7of27NUREG1021Revision9HARRIS2008NRC
Scenario3Revision2
Appendix DScenarioOutlineFormES-D-1HARRIS2008
NRC.SCENARIO3EVENT2-TDAFW SPURIOUS START.Booth Operator Instructions:
Actuate Event 2-Spurious startofTDAFW(ET-2)oncue from Lead Evaluator.
Indications
Available:ALB-017-7-1AFWTURBDISCHARGELOWSUCTION/LOW
PRESSURE (flashesinon start), increasing
power, rising SG Levels, open indicationonMS-70 BOP Responds to indications
of spuriousstartof TDAFW BOPReferstoAPP-ALB-7-1
CREW Determines
TDAFWpumpshouldnotberunning.CREW DispatchesanAOto investigate.BOOTHOPERATOR'SCUE:
When contacted,wait
2-3 minutes then report TDAFW Pump is running.No indications
locallyastothe cause.BOPReferstoOP-137, Auxiliary Feedwater,section7.2
BOPVerify1MS-70SASHUT(NO)Shuts1MS-70.BOPVerify1MS-72SBShut(YES)
BOP VerifyAFWFCVand IsolationsindicateOPEN(YES)
BOPSetAFWFCVsOutputDemandto
1000/0for1AF-129,1AF-130,1AF-131.(YES)
BOP Verify TDAFW Speed ControllerinAUTOandsetperCurveF-
X-10.EVALUATORCUE:SROmay also reference OWP-MS-05, but thisOWPhasno actions.Appendix DPage8of27NUREG1021Revision9
HARRIS2008NRC Scenario3Revision2
Appendix 0ScenarioOutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT2-TDAFW
SPURIOUS START PROCEDURE
The following step makes the TDAFW pump operable, and aligns TDAFW pumptoa standby alignment.
BOP Complete Attachment7,TDAFWRestoration.(Clippedtobackofguide)EvaluatesTechspecsfromAPPandOWPT.S.3.3.2,Action21.(6hours)
SRO T.S.3.6.3,Actiona.(4hours)T.S.3.7.1.2,Action(72hours)T.S.3.9.4.(Not
applicable)
SROIfnot alreadydone,maycompleteand
Equipment Failure ChecklistandcontactWCCforassistance.
EVALUATOR'SNOTE:Cue Event 3 (Letdown Temperature
Controlier/Demin
Bypass valve Failure)whenthe standby chillerisin service and the TS entryhasbeen completed or AOP-026is exited.'Appendix 0Page9of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
AppendixDScenarioOutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT3-LETDOWN
TEMPERATURE
CONTROL FAILURE Booth Operator Instructions:
Actuate Event3-Letdown Temperature
controller
failure (tt:144/jtb143b)oncue fromtheLead Evaluator.
Indications
Available:ALB-007-3-2,DEMINFLOWDIVERSIONHIGH
TEMP.RORespondstoalarmandenters
APP-ALB-007-3-2.
ROCONFIRMalarmusingTI-143,LPLetdownTemperature.
RO VERIFY Automatic Functions:
- Manuallypositions1CS-50,LetdowntoVCT/Demin,todivertflowtotheVCT.
RO PERFORM Corrective
actions:*VERIFYthat1CS-50divertsflowtotheVCT,bypassingtheBTRSandPurification
Demineralizers.
- PERFORMthefollowingasneededtolowerletdown
temperature:
- VERIFYproperchargingflowisestablished.(YES)
- LOWERletdownflow.(N/A-CCWProblem)
- IFCCWflowtotheLetdownHeatExchangerappearslow,THEN:
- TAKEmanualcontrolof
TK-144.*OPEN1CC-337,toraiseCCWflow.
SRO ContactsWorkControland/orSystemEngineerforassistance.BOOTHOPERATOR:
If contactedasWCC or System Engineer: "maintain flow bypassing the demineralizers
untilaresin damage assessment
is completed".
I EVALUATOR'S
NOTE:TheLead Evaluatorcancue Event4(RCP"B" high vibration)
when letdown temperature
is under control.AppendixDPage10of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
Appendix D Scen-ario OutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT4-RCP"B"HIGHVIBRATION
Booth Operator Instructions:
Actuate trigger for Event4(RCS09B)oncue
from the Lead Evaluator.
Indications
Available:ALB-010-2-5,RCP-BTROUBLE
RORespondstoalarmALB-010-2-5.
Evaluator's
Note:Crewmay enter ALB-010-1-5
but will likely go directly to AOP-018 when high vibration is recognized.
SROEntersanddirectsactionsofAOP-018,REACTOR
COOLANT PUMP ABNORMAL OPERATIONS.
Immediate ROPerformImmediateAction
Action*VerifiesoneCSIPrunning.(YES)
SROInformSSOtorefertoPEP-110, Emergency Classification
andProtectiveAction
Recommendations.
SROProceedstoSection3.2,RCPHighVibration.EVALUATORNOTE:
- The answer to the following questionmaybeYESat
this time but the limit will be exceeded in short order.Thisisa continuous
action step that should be implemented
when the limit is exceeded.The scenario guide is therefore writtenasifthe limit is exceeded when the stepisread.*Attachment1is attached to the back of this scenario guide for evaluator use.SROCheckallRCP'soperatingwithinlimitsof
Attachment
1.SROCheckreactor
power>P-8.(NO)ROCheckmorethanone
Repaffected.(NO)
Appendix DPage11of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
Appendix D Scenario OutlineFormES-D-1
HARRIS2008NRC SCENARIO 3 EVENT4-RCP"B"HIGH
VIBRATIONEVALUATORNOTE:TheSROmay conduct a brief on Attachment
7 before the Rep is stopped.ROPerformthefollowing:
- STOPthe affectedRCP.(RCP"B")
SROREFERTO Attachment
7, OperationWithTwoRCPs.GOTOStep11.
RO CHECKallRCPs RUNNING.(NO)PERFORMthefollowing:
- IFRCPAis SECURED,THENSHUT1RC-107,PRZSprayLoopA.(N/A)
- IFRCPBis SECURED,THENSHUT1RC-103;PRZSprayLoopB.
BOP*VERIFYSGlevelsbeing
maintained
between 52%and 62%.RO*MONITORrodinsertionlimits(RefertoSectionFcurvefromCurveBook).
- INITIATEaplant shutdownusingONEofthefollowing:
SRO*GP-006,NormalPlantShutdownfromPower
OperationtoHot Standby*AOP-038, Rapid Downpower RO CONFIRMthevibrationalarmVALIDbycheckingBOTHofthe
following:a.TheGreenvibration
monitorOKlightisLIT.b.Eitherofthefollowing
conditions
exist:*ShaftANDframe
vibration are proportionally
rising*VerticalAND
Horizontalvibrationare
proportionally
rising RO CHECKthefollowing
parametersnormalfortheaffectedRCP (referenceHNPPOMGroup
TrendsforAOP-018):
- All parameterslistedin Attachment6,ERFISPointsfor
Reactor Coolant Pumps*Seal liP*UpperOil Reservoir level*LowerOil Reservoir level*RCSLoopFlow
Appendix D.Page12of27NUREG1021Revision9
HARRIS2008NRC Scenario3Revision2
AppendixDScenarioOutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT4-RCP"B"HIGHVIBRATION
SRO CONSULTwiththeResponsible
Engineerforrecommended
follow-up actions.SROREFERTOthefollowingTechSpecs:TS3.4.1.1isthemostlimiting:BeinatleastHSBwithin6hours.TheLead Evaluatorcancue Event5(MFW Pump trip)after the TS declaration.AppendixDPage13of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
Appendix DScenarioOutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT5-RUNNINGMFWPUMPTRIP
Booth Operator Instructions:
Ensure power is<100/0 then actuate the trigger for Event 5 (Running MFW Pump trip)oncue fromtheLead Evaluator.
Indications
Available:ALB-016,FWPUMPAlBHIGH
BACK FLOW O'RLOWSUCTIONPRESSORTRIP
Evaluator Note: MFW Pump 2 should not be started due to overfeed concerns.BOPRespondstoindicationofrunningMain
Feedwater (MFW)Pumptrip and/ormultiplealarms.
BOPReportsMFWPump1tripped.SROEntersAOP-010, FEEDWATER MALFUNCTION.
BOP Performs immediateactionsofAOP-01
O.*CHECKANYMainFeedwaterPumpTRIPPED.(YES)
- CHECKinitialReactorpowerlessthan
900/0.(YES)*CHECKinitialReactorpowerlessthan80%.(YES)PROCEDURENOTE:
- Turbine runback will automatically
terminate at approximately
50 0 k power withDEHinAUTO.
- Turbine runbacks are quickly identified
byALB-020-2-2,TURBINERUNBACKOPERATIVE,in
alarmandRUN BACK OPER lightLITas long as the initiating
signal is presentonDEHPanelA.
BOP/RO CHECKinitialReactorpowerlessthan60%.(YES)
BOP/SRO CHECKDEHcontrollingTurbineValvesPROPERLY.(N/A-turbinenotonline)SROGOTOStep7.
Appendix DPage14of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
Appendix DScenarioOutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT5-RUNNINGMFWPUMPTRIP
BOPMAINTAINALLofthefollowing:
- AtleastONEMain
FeedwaterPumpRUNNING(NO)EVALUATORNOTE:
The crew may start both MDAFW Pumpsandthe TDAFW Pump in the next block of steps.BOPPERFORMthefollowing:
- IFANYSGleveldropsto
30%THENTRIPtheReactorANDGOTOEOPPath-1.
- IFAbovePOAHAND
ReactorpowerisLESSTHAN10%, THEN:*INITIATEAFWflowtomaintainSteam
Generator levelsbetween52 and 62%.PROCEDURENOTE:
Mode change occurs at 50/0 Reactor power.ROREDUCEpoweras
necessarytomaintainSGlevel.
SROIFbelowPOAH,THEN:(N/A)
BOPStartsbothMDAFWPumpandadjustsflowusingthe
associatedflowcontrolvalves.
EVALUATOR'S
NOTE:*The crew will continueinAOP-010 but the procedure actions are not intended for this situation.
Allow the crew time to match powertoAFW capability
then cue the next event (LOCA).*Since a shutdown willbein progress for the failedRCP,theSROmay
elect to direct a reactor trip rather than to continue keeping the plant at power.If so, then cuetheBOOTHOPERATOR
to initiate Event6(LOCAICSIP
Trip)coincident
with the reactor trip.BOOTHOPERATOR:
- Be prepared to actuate Event6(LOCAICSIP
Trip)iftheSRO directs a MANUAL reactor trip.ROAdjustpowerusing
MANUALRodControland/orborationas
Appendix DPage15of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
AppendixDScenarioOutlineFormES-D-1HARRIS2008NRCSCENARIO3EVENT5-RUNNINGMFWPUMPTRIPdirectedbytheSRO.
Lead Evaluator:
Cue Event6(LOCAICSIP
Trip)when the plantisina stable condition with power matchedtoAFW capability.AppendixDPage16of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
Appendix D Scenario OutlineFormES-D-1
HARRIS 2008 NRC SCENARIO3EVENT6-8-
SBLOCA/CSIP
FAILURE/PHASE"A" SLAVE RELAY.FAILUREBOOTHOPERATOR:
Actuate Event 6 SBLOCAICSIP"A" trip (RCS01 A1CVC05A)oncue fromtheLead Evaluator.
INDICATIONS:RCSLow Pressure alarms/Rapidly
Decreasing
RCS Pressure and Pressurizer
LevelEVALUATORNOTE:
Depending on which indications
the crew notices first theymaytake the Immediate Actions for AOP-018 firstduetothe trip of the running CSIP.However, shortly into that procedure they should recognize the SBLOCA in progress and transitiontoPATH-1.The crew may also initiateaMANUALSI before the AUTO setpoint is reached.RORespondto ALB-06Alarmsfortripof"A"CSIPSROEnterAOP-018,RCP
Abnormal conditions
Immediate RO CheckanyCSIPrunning(NO)
Action.ImmediateIsolateLetdownby
SHUTTING Action*1CS-7(SHUT)
RO*1CS-8(SHUT)
- 1CS-9 (Verify SHUT)EVALUATORNOTE:Bythe time the immediate actions are complete the crew should identify the indications
that a SBLOCA is in progress.SROEntersPATH-1ROVERIFYReactorTrip:
- AUTOor MANUAL Reactor Trip successful:
- CHECKforanyofthefollowing:
- Trip breakersRTAandBYAOPEN(YES)
Appendix DPage17of27NUREG1021Revision9
HARRIS2008NRC Scenario3Revision2
Appendix DScenarioOutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT6-8-
SBLOCA/CSIP
FAILURE/PHASE"A"SLAVERELAY
FAILURE*TripbreakersRTBandBYBOPEN(YES)
- RODBottomlightsLIT(YES)
- NEUTRON flux decreasing (YES)BOP VERIFYTurbineTrip:
- CHECKforanyofthefollowing:
- ALLturbinethrottlevalves-SHUT(YES)
- ALLturbine
governorvalves-SHUT(YES)
BOPVERIFYpowertoAC
Emergency Buses*1A-SAAND1B-SBBuses
energizedbyoff-sitepowerorEDG's.(YES)
RO CHECKSIActuation:
- CHECKforanyofthe
following-LIT:(YES)
- SI Actuated bypass permissive
light*ALB-11-2-2
- ALB-11-5-1
- ALB-11-5-3
- ALB-12-1-4
SROPerformTheFollowing:
- Initiate monitoringtheCritical
SafetyFunctionStatus
Trees.*EvaluateEAL
NetworkusingentrypointX.(RefertoPEP-
110)SROInformsCrewFoldoutAapplies.
EVALUATOR'S
NOTE: The following actionsshouldbetakenin
accordance
with FOLDOUT A criteria during the scenario: Appendix DPage18of27NUREG1021Revision9
HARRIS2008NRC Scenario3Revision2
Appendix DScenarioOutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT6-8-
SBLOCAICSIP
FAILURE/PHASE"A"SLAVERELAYFAILURE
- Verify Alternate Miniflow Isolation Valves or Miniflow BlockValvesCLOSE
when RCS Pressure lowerstoless than1800PSIG.*If the crew is slow to start CSIP"B" then RCP trip criteria couldbemet.ROVerifyALLCSIPsANDRHRpumps-RUNNING.
Critical*Starts CSIP"B" after Load Block 9, butbyno later Task than the completion
ofGUIDE1, Attachment
6.*ReportsRHRPumpsrunning(YES)
ROCheckSIFlow:
SI flow-GREATERTHAN200GPM.(YES)
ROVerifiesCSIP
miniflowvalvesclosed(YES)
RO RCS pressure-GREATERTHAN230PSIG.(YES)
EVALUATOR NOTE: The crew may manually initiateMainSteam Isolation because Containment
Pressure is rising towards the automatic setpoint.RO/BOPCheckMainSteamIsolation:MainSteamIsolation-ACTUATED.(NO)
ROCheckCNMTPressure-HASREMAINEDLESSTHAN10PSIG.(YES)
RO/BOPCheckAFWStatus:AFWflow-ATLEAST210KPPHAVAILABLE.(YES)(MS-70)EVALUATOR'S
NOTE: MS-70 will not automatically
open due to the previous relay failure.EVALUATOR'S
NOTE:TheRO will perform all board actions until the BOP completes Attachment6.TheBOPis
permitted to properly align plant equipment in accordance
with Attachment
6 without SRO approval.The Scenario Appendix DPage19of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
Appendix D Scenario OutlineFormES-D-1
HARRIS 2008 NRC SCENARIO3EVENT6-8-
SBLOCA/CSIP
FAILURE/PHASE"A"SLAVERELAY
FAILURE Guide still identifies
tasks by board position because the time frame for completion
of Attachment6is not predictable.
Verify Alignment of ComponentsFromActuationofESFASBOPSignalsUsing
Attachment
6,"Safeguards
ActuationVerification",While
ContinuingwiththisProcedure.
Critical BOP Closes at least one of the valvesineachofthe
following Task combinations
before exiting Attachment
6:*1 SP-948/1SP-949,RCSLOOPSB&CHOTLEGCNMT
ISOL*1 ED-94/1ED-95,CNMTSUMPPUMPDISCHARGE
AND closes at least one set of the following:
- 1SP-16/1SP-939,RCS
LEAKDETSAMPLEISOL
- 1SP-916/1SP-918,RCS
LEAKDETSAMPLEISOL
BOP/ROControlRCS
Temperature:ControlfeedflowandsteamdumptostabilizeRCS
temperature
between 555°FAND559°FTable1.BOP/ROEnergizeACbuses1A1AND1B1.
RO CheckPRZPORVs-SHUT(YES)
RO CheckPZRPORVblockvalves-ATLEASTONEOPEN.(YES)ROPRZsprayvalves-SHUT.(YES)
RO/BOP IdentifyanyfaultedSG:
Checkforanyofthe
following:
- AnySG pressures-DECREASINGINAN UNCONTROLLED
MANNER (NO)*AnySG-COMPLETEL Y DEPRESSURIZED.(NO)Appendix DPage20of27NUREG1021Revision9
HARRIS2008NRC Scenario3Revision2
Appendix DScenarioOutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT6-8-
SBLOCAICSIP
FAILURE/PHASE"A"SLAVERELAYFAILURE
CREW Check Secondary Radiation:Checkforallofthefollowing:
- CondenserVacuumPumpEffluentradiation-NORMAL.(YES)*SGBlowdownradiation-NORMAL.(YES)
- MainSteamlineradiation-NORMAL.(YES)
BOP/ROAnySGwithanuncontrolledlevelincrease(NO)
SROCheckRCSIntact:Checkforallofthefollowing:
- CNMTpressure-NORMAL.(NO)ProceedsTOStep44.(EntryPointC)
SRO CONTINUOUSACTION:ImplementFunctionRestoration
ProceduresAsRequired.(Nonerequired)
SRO CONTINUOUSACTION:FoldoutsAandBApply.
Evaluator Note: The crew may review foldout criteria.Foldout A actions should be complete.No Foldout B actions apply.The crew should use Adverse Values ()when Containment
Pressure exceeds3PSIG.ROMaintainRCPSealInjectionflowbetween8GPMAND13GPM.BOPCheckIntactSGLevels:
- Any level-GREATER THAN 25%[40%].(YES)
BOPControlfeedflowtomaintainallintactlevelsbetween
250/0 AND 50%[40%AND50%].Appendix DPage21of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
Appendix D Scenario OutlineFormES-D-1
HARRIS2008NRC SCENARIO3EVENT6-8-
SBLOCA/CSIP
FAILURE/PHASE"A"SLAVERELAYFAILUREBOPVerifyACbuses1A1AND1B1-
ENERGIZED.(YES)ROCheckPRZPORVs-SHUT.(YES)
ROCheckPZRPORVblockvalves-ATLEASTONEOPEN.(YES)CONTINUOUSACTION:IFaPRZ
PORVopensonhighSROpressure,THENverifyitshutsafterpressure
decreasestolessthanopeningsetpoint.ROCheckSI Termination
Criteria: RCS subcooling
-GREATERTHAN(YES)*10°F[40°F]-C
- 20°F[50°F]-MBOPCheck secondaryheatsinkby
observinganyofthe following:
- LevelinatleastoneintactSG-
GREATER THAN 25%[40%](YES)
- TotalfeedflowtointactSGs-
GREATERTHAN210KPPH(YES)RORCS Pressurestableor increasing (NO)SROWHENtheSI terminationcriteriaaremet,THENGOTOEPP-008,"SI TERMINATION",Ste'p1.RO Check CNMTSprayStatus:CheckanyCNMTSprayPump-RUNNING.(NO)ROCheckSourceRange
Detector Status: Intermediaterangeflux-LESSTHAN5x10-11 AMPS.*Verifysourcerange
detectors-ENERGIZED.*Transfer nuclearrecordertosourcerangescale.
Appendix DPage22of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
Appendix D Scenario OutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT6-8-
SBLOCA/CSIP
FAILURE/PHASE"A"SLAVERELAY
FAILURE RO CheckRHRPumpstatus:
- RCSPressure
greater than 230PSIG(YES)Evaluator's
Note: The evaluation/trend
of RCS pressureinthe nextseveral
steps is dependent on how long it took the crewtoreach these steps (Decay Heat/Break
Flow/ECCS flow).*RCS pressure-STABLE OR INCREASING.(NO)RO Checkforbothofthe
following:
- AllSG Pressures-STABLE OR INCREASING.(YES)*RCS pressure-STABLE OR DECREASING.(YES)ROEstablishCCWFlowToTheRHRHeatExchangers:
VerifybothCCWPumpsrunning(YES)Openthefollowingvalves:(CCWReturnFromRHRHXTrains"A"and"B")
- 1CC-147*1CC-167 RO VerifyCCWflowtotheRHRHeat
Exchangers (YES)Performoneofthefollowingtoestablishtwo
independent
CCW systems:ShuttrainACCW
non-essential
supplyANDreturnvalves:
- 1CC-99*1CC-128ShuttrainBCCW
non-essential
supplyANDreturnvalves:
- 1CC-113*1CC-127 BOP/RO CheckEDGstatus:
Check AC emergencybuses1A-SAAND1B-SB-
ENERGIZED BY OFFSITE POWER (YES)*Check Bus voltages (Normal)*Verify breakers105and125closed(YES)
BOP/RO*Shutdown any unloadedEDGsusingOP-155,"Diesel
Generator EmergencyPowerSystem",Section7.0.
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Appendix DScenarioOutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT6-8-
SBLOCA/CSIP
FAILURE/PHASE"A"SLAVERELAYFAILURE
SRORHRsystem-
CAPABLEOFCOLDLEG RECIRCULATION.(YES).SROCheckauxiliaryANDradwasteprocessingbuildingradiation-
NORMAL (YES)SROGOTOStep58.ROCheckRCSStatus:Checkforbothofthefollowing:
- RCSpressure-LESSTHAN230PSIG(NO)
- AnyRHRHXheaderflow-GREATERTHAN1000GPM(NO)SROGOTOEPP-009,"POSTLOCACOOLDOWNAND
DEPRESSURIZATION",Step1.SROReviewsEPP-009
FOLDOUTCriteria(Nonewillrequireaction)ROResetSI SROManuallyrealign
safeguardsequipmentifalossofoff-sitepoweroccurs.ROResetPhaseAandPhaseBIsolationsignalsROEstablish
Instrument
Air andNitrogentoCNMTOpenthefollowingvalves:
- 11A-819*1SI-287MonitorACBuses:
BOP/ROCheckAC emergencybuses1A-SAAND1B-SB-
ENERGIZED BY OFFSITE POWER:*Checkbusvoltages
- Checkbreakers105AND125-CLOSED(YES)
Appendix DPage24of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2
Appendix D Scenario OutlineFormES-D-1
HARRIS 2008 NRC SCENARIO3EVENT6-8-SBLOCA/CSIP
FAILURE/PHASE"A"SLAVERELAY
FAILURE SRO*GOTOStep5e.
BOP/RO Check all non-emergencyACbuses-ENERGIZED (YES)PROCEDURECAUTION:PRZ
heaters shouldNOTbe energized until PRZ water level indicates greater than minimum recommended
by plant operations
staff to ensure heaters are covered.ROSecurePRZHeaters:
- Verifycontrolheaters-OFF
- PlacebackupheatersintheOFFposition.
- Verifycontrolheaters-OFF
.>Consult plant operationsstafffora recommended
minimumindicatedPRZwaterlevelthatwillensureheatersarecovered.(Referto USER1SGUIDE,IIUSERISGUIDE
II, Attachment
2, Evaluating
Pressurizer
Water Level Indication.)ROCheckRHRPumpStatus:
- RCS pressure-GREATERTHAN230PSIG(YES)
- RCS pressure-STABLE OR INCREASING (YES)*CheckRHRpumpsuction-
ALIGNEDTORWST(YES)
- StopRHRPumps
BOP CheckIntactSGLevels:
- Anylevel-GREATER THAN 25%[40%](YES)
- Controlfeedflowtomaintainallintactlevelsbetween
25%and 50%[40%and50%].PROCEDURENOTE:
After thelow steam pressure 81 signal is blocked, main steamline isolation will occurifthe high steam pressure rate setpoint is exceeded.RO CheckPRZPressure:
- Pressure-lessthan2000PSIG(YES)
- BlocklowsteampressureSI
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Scenario3Revision2
Appendix D Scenario OutlineFormES-D-1
HARRIS 2008 NRC SCENARIO 3 EVENT6-8-SBLOCAICSIP
FAILURE/PHASE"A" SLAVE RELAY FAILURE SRO Initiate RCS CooldownToCold Shutdown: Maintain cooldownrateinRCScoldlegs-LESS
THAN 100°F/HR RO*Check RHR system-OPERATING IN SHUTDOWN COOLING MODE (NO)SROGOTOStep10f.
Checkallofthe following to determineifsteamcanbe
dumped to condenser:
BOP*Check any intact SG MSIV-OPEN (NO)Dump steam from intactSGsusing anyofthe following (listed in order of preference):
BOP*SG PORVsSROGoto Step 11 SRO.Monitor Shutdown Margin While Continuing
RCS Cooldown: a.Coordinatewithplant operations
staff AND chemistry to perform the following to obtain primary and secondary samples: 1)Operate the primary AND secondary sample panels.2)Open CCW to sampleHXvalves:*1CC-114*1CC-115 3)Open CCW to GFFD valves:*1CC-304*1CC-3054)AlignANDobtain
activityANDboron samplesofthe following:
- RCShotlegs
- AIISGs (RefertoOP-101,"SAMPLING
SYSTEM", Section 5.0.)b.Determine boron required for shutdown margin for anticipated
RCS temperatures.(Refer to OST-1036,"SHUTDOWN MARGIN CALCULATION
II.)c.CheckRCSloopboron-
GREATER THAN BORON REQUIRED FOR SHUTDOWN MARGIN RO Check RCS Subcooling
-GREATER THAN 10 of[40 OF]-C (YES)RO Check SI Status:*SI flow-GREATER THAN200GPM(YES)
Appendix DPage26of27
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HARRIS 2008 NRC Scenario 3 Revision 2
Appendix DScenarioOutlineFormES-D-1HARRIS2008NRC
SCENARIO3EVENT6-8-
SBLOCA/CSIP
FAILURE/PHASE"A"SLAVERELAYFAILURE
'.SROObserveCAUTIONpriortoStep14ANDGOTOStep14.PROCEDURECAUTION:
Voiding may occurintheRCS during RCS depressurization.
This will resultina rapidly increasingPRZlevel.PROCEDURENOTE:
RCS depressurization
shouldNOTbe stoppedifRCS subcooling
is lost.SUbcooling
should be restored as the cooldown continues.
RO DepressurizeRCSToRefillPRZ:
- PRZlevel-LESSTHAN
25%[40%](YES)
- Depressurizeusingnormalspray.
EVALUATOR NOTE: If the crew previously
reached RCP Trip Criteria due to slow response in startingaCSIP then the depressurization
will be doneviathePORV.
However,RCPTRIPCRITERIA
does not apply during EPP-009.*PRZ level-GREATER THAN 25%[40%](YES)
- WHENlevelis
greater than 25%[40%],THENstop
ReS depressurization.TheLead Evaluator can terminate the scenario when the depressurization
is secured.Appendix DPage27of27NUREG1021Revision9HARRIS2008NRCScenario3Revision2