ML081770473

May Examination 05000369 and 05000370/ 2008-301 Facilities Post-Examination Comments (Part 2 of 2)

ML081770473
Person / Time
Site:	McGuire, Mcguire
Issue date:	06/25/2008
From:	NRC/RGN-II
To:	Duke Energy Carolinas
References
50-369/08-301, 50-370/08-301
Download: ML081770473 (63)

Text

MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/A/5500/211of78 UNIT 1Rev.9 i A.Purpose The purpose of this procedureisto identify actions required in the event of a loss of KC, or leakage on the KC System.

MNSLOSSOFKCORKCSYSTEMLEAKAGEPAGENO.AP/1/A/5500/212of78UNIT1 Rev.9 N O T O B T A I N E D I B.Symptoms*"LOKCHXA INLET FLOW" computer alarm*"LOKCHXB INLET FLOW" computer alarm*Low flow alarms on components suppliedbyKC*High temperature alarms on components supplied by KC*Low level or level going downinKC Surge Tank*Abnormal KC pump Flow*"LOKCSURGE TANK COMPARTMENT A LEVEL" computer alarm*"LOKCSURGE TANK COMPARTMENT B LEVEL" computer alarm*"KC SURGE TANK ABNORMAL LEVEL" alarm.C.Operator Actions 1.Check any KC pump-ON.2.Monitor Foldout page.3.Secure any dilution in progress.4.Check ND-INRHRMODE.Perform the following:a.Isolate:*Norma l letdown*Excessletdown*NOletdown.b.CloseallNMvalveslocatedon1MC-8(verticalboard)._GOTO Step 7.

MNSLOSSOFKCORKCSYSTEM LEAKAGEPAGENO.AP/1/N5500/213of78UNIT1Rev.9 ACTION/EXPECTED RESPONSE 5.CheckanyKC pump-ON.6.IFAT ANY TIMEallKC pumpsareoff, THEN RETURN TO Step 5.

NOT OBTAINED Isolate containment as follows: a.Announcethefollowingonpage:_1)Descriptionofevent._2)"Allpersonnel evacuateUnit1 containment.

"b.Actuate containmentevacuationalarm.

c.REFER TO RP/o/N5700/011 (ConductingaSiteAssembly,Site Evacuation, or Containment Evacuation)whilecontinuingwiththis procedure.

d.IF PT/1/N4200/002 C (Containment Closure/Integrity)ineffect, THEN notify Containment Closure Coordinator to initiate containment closure.e.GOTOStep8.7.Announce occurrence on paging system.8.Check both train's KC Surge Tank levelSTABLE OR GOING UP._IF Surge Tank level trend indicatesaKC System leak,THENGO TO Step 11.

.....;....:..'MNS LOSSOFKCORKC SYSTEM LEAKAGE PAGE NO.AP/1/AJ5500/214of78 UNIT1 , Rev.9 A CTI O N/EXPECTED R ESPONS E 9.Start standby KC train as follows: RESPONSE N O T OBTAINED a.Check standby KC train-AVAILABLE TO START.a.Perform the follow ing:1)IF any KC pump runn ing, THEN perform the following as necessary to maintainKCflowlessthan 4000GPMper operatingKCpump:_a)Maintain cooling water to critical heat loads.CAUTION IfNOinRHR and NC temperature is greater than 200°F, then KC flow must be maintained greater than 2000 GPM to operating NO train._b)Evaluate throttlingKCtoNOHX._c)Evaluate throttlingKCtoKFHX._d)Evaluate raisingRNflowtoKCHXto lower KC temperature._e)Evaluate reducing NV letdownto45 GPM._f)IF necessary to reduce KC flow , THEN notify Radwaste Chemistry to ensure NB evapora tor is shutdown.g)IF AT ANY TIMEitis desired to restart trippedKCpump , THEN:_(1)Start desired KC pump._(2)Exitthis procedure._2)Donot continueuntilKCtrain available to start.

MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/A/5500/215of78 UNIT 1 Rev.9 I A C TI ON/E XPE C TED RESP O N S E.. I I N O T OBTAI N ED I 9.(Cont inued)b.Che ck standbyKCSurge TankLeve lGR EATER THAN 2 FT.c.Start standby KC train PERoneof the following:_.TostartATrain

,GOTO Enclosure 4 (Startupof1AKCTrain)OR*TostartBTra in,GOTO Enclos ure 5 (Startupof1BKCTrain).

b.Performthefo llowing:1)Init iate YM makeuptoKCSurgeTankas follows:a)D ispatch operatortoopenthe follow ing valvesasrequ ired to maintainKCSurgeTanklevel:*To makeupto1AKCSu rge Tank , u nlockandopen1KC-1 07(1AKCSu rge Tan k CompartmentYMSupplyIsol)(auxbldg , 767+2, JJ-57 , un der grating,betweenKC surge tanks)*To makeupto1BKCSurge Tank , unlockandopen1KC-111(1BKCSu rge Tank CompartmentYMSu pply Isol)(auxbldg, 767+2 , JJ-58 , under grating ,betweenKC s urge ta nks)._b)Ad just makeuprateasreq uired t o prevent overflowofKCSurge Ta nk (approximately 8.5 ft)._2)IFATANY TIMEitis determine d tha t YM makeup i s inadequate, THEN al ign RN Makeup toKC PER Enclosure 3 (AligningRNMakeuptoKCSurgeTank)asrequired.

_3)Donot continueuntilsurgetank level i s greate rthan2 ft.

MNSLOSSOFKCORKC SYSTEM LEAKAGE PAGE NO.AP/1/A/5500/21 60f78 UNIT1Rev.9 I ACTI O N/EXPECTE D RESPON SE: I I 10.GOTOStep41.

11.Initiate YMmakeuptoKCSurgeTankas follows: a.Immediately dispatch operatortoopen the following valves as required to maintain KC Surge Tank level:*To makeupto1AKC Surge Tank , unlock and open1KC-107(1AKC Surge Tank Compartment YM Supply Iso l)(aux bldg , 767+2 , JJ-57 , under g rating , between KC surge tanks)*To makeupto1BKC Surge tank , unlock and open1KC-111(1BKC Su rge Tank Compartment YM Supply Isol)(auxbldg

, 767+2 , JJ-58 , under grating, between KC surge tanks).b.Adjust makeuprateas required t o prevent overflowofKC Surge Tank (approximately8.5ft).12.Dispatchoperatorstolocateleak.

13.CheckKCdraintank pump-OFF.14.IFATANYTIMEitis determinedthatYMmakeupis inadequatetorestoreor stabilizeKCsurgetanklevel,THEN immediatelyalignRNMakeuptoKCPEREnclosure3(AligningRNMakeuptoKCSurgeTank)asrequired.

RESPONSE N OT OBTA INE D IPerformthefollowing:

a.Dispatch operator to checkKCdrain tan k level locally.b.IF abnormal inputstoKC drain tank suspected, THEN reference MCFD-1573 ser ies (Flow Diagram of Component Cooling System)for possib leleakonKCdrainand relief headers.

MNSLOSSOFKGORKG SYSTEM LEAKAGEPAGENO.AP/1/A/5500/217of78 UNIT 1!Rev.9 ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 15.Checkbothtrain'sKCsurgetank level*GREATERTHAN3FT.

_GOTOStep20.

NOTE*The followingOAGpointsmaybeusedto determineleveldropinnextstep.Thesepointsarealso displayedontheKGsystem graphic:*M1P1317(1ATrainKGsurgetanklevelrate)

• M1P1318(1BTrainKGsurgetanklevelrate).*A0.10ft/minleveldropinonetrain'ssurgetank equals approximately50GPM leak.16.Check sum of bothtrains' KC surge tank level drops-LESSTHANOREQUALTO 0.10 FT/MIN._IFlevelis dropping fasterthan0.10ftImin,THENGOTOStep20.

NOTEThenextstep allows maintainingcurrentKGsystem alignmentforsmallleaksthatshouldbewithinthe capacityofnormalmakeup.

Allowingleveltodropto2ftallowsmoretimefor operators to locally align makeup,priortotakingactiontoisolateKG headers.17.Donot continueuntilatleastoneofthefollowingoccurs:

_.KG makeuphasbeenlocallyopenedfromRN.OR_.Eithertrain'sKGSurgeTanklevelislessthanorequalto2ft.

OR*BothKGsurgetanklevelsarestableorgoingup.

MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/A/5500/218of78 UNIT 1Rev.9 AC TION/EXPECTEDR ESPONS E-___J!R E SPONS E N-6-T OBT AYN E-b I_18.CheckKC surgetanklevelonboth train(s)-STABLEORGOINGUP.

19.GOTOStep 38.20.Isolate1AKCTrainfrom

-18KCTrainas follows: a.Checkany1AKCTra inpump RUNNING.b.Check the follow ing valves-OPEN:*1 KC-3A(TrnARxBldgNonEssRet Isol)*1KC-230A(TrnARxBldgNonEssSupIsol).C.Close the following valves:_1)1 KC-53B(TrnBAuxBldgNonEss Sup 1501)._2)1KC-2B(T rnBAuxBldgNonEss Ret 1501)._3)1 KC-228B(TrnBRxBldgNonEssSupIsol)._4)1KC-18B(TrnBRxBldgNonEssRetIsol).d.WHEN valvesinStep20.careclosed , THEN check1AKCSurge Tank leve lGOING DOWN.e.GOTOStep21.IFKCsurgetanklevelisstillgoingdowninan uncontrolled manner, THEN: a.IF level goes below2ft , THEN ensure Foldoutpageitem 1 is implemented.

b.GOTOStep20.a.GOTO Step 20J.b.GOTO Step 20.f.d.IF1AKC Surge Tank level stabilizes, AND1BKC Surge tank level continuestogodown , THEN leakison1B Essential header.

A (;.(.fY\f/\r 2-MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/A/5500/219of78 UNIT 1 Rev.9 ACT I ON/EXPECTEDRESPON SE N OT OBTAINED 20.(Continued) f.Closethe follow ing valves:_1)1 KC-50A(TrnAAuxBldgNonEssSupIsol)._2)1 KC-1A(TrnAAuxBldgNonEssRetIsol)._3)1KC-230A(TrnARxBldgNonEssSupIsol)._4)1 KC-3A(TrnARxBldgNonEssRetIsol)._g.WHEN valvesinStep20.fareclosed, THEN check1BKCSurgeTank level GOING DOWN.21.CheckUnit2KC Surge Tank level*STABLE._g.IF1BKC Surge Tank level stabilizes, AND1AKC Surge tank level continuestogo down, THENleakison 1 A Essential header.IF Unit2KC Surge Tanklevelisgoingupinan uncontrolled manner, THEN: a.HaveRad Waste ChemistrycheckKC alignment for:*NBandWL evaporators*WG system.b.IFKCdraintank pumps are aligned toUnit2 , THEN:*Dispatch operatortoaligndraintanktoUnit1 PER OP/1/A/64001005 (Component Cooling Water System), Enclosure 4.8 (SwappingKCDrain Tank Discharge).*Have Work Control SRO evaluateanyKCdrain operation in progress or other potentialKCdrainpaths

.

MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/A/5500/2110of78 UNIT 1 Rev.9 ACTI ON/EXPECTED RESP ONS E 22.Check KC pumps-AT LEAST ONE RUNNING.23.Check KC Surge Tank level on both train(s)-STABLEORGOINGUP.24.GOTO Step 38. N O T O BTA I N E D L_'_____....JWHENKC Surge Tank Level greater than 2 ft, THEN start one KC Train PER one of the following:*IF desiredtostart1AKCTrain,AND1AKCSurge Tank is greater than 2 ft ,THENGOTO Enclosure 4(Startupof1AKC Train).OR*IF desiredtostart1BKCTrain

,AND1BKCSurgeTankis greaterthan2ft,THENGOTO Enclosure 5 (Startup of1BKC Train).Perform the following:

a.IF either tra in'sKCSurgeTanklevel i slessthan3ft

,THENGOTOStep27

.b.IF MakeuptotheKCSurgeTankfromRNhasbeen opened, ANDlevelisstillgoingdown,THENGOTOStep27

.c.IFKC Surge Tanklevelsare greaterthan3ft,THEN observeNoteprior toStep25andGOTOStep25.

MNS LOSSOFKGORKG SYSTEM LEAKAGE PAGE NO.AP/1/A/5500/2111of78'U NIT1 Rev.9 A C T I O N/EXPECTED R ESPONSE RESPON S E N OTOBTAINE D NOTE The next step allows waitingtoseeifKG Surge Tank levelscanbestabi lized us ing makeup , pr ior to taking actions t o isolate KG headers.If levelcanbe stabilized using makeup , headerwithleakmaybeleftin service.25.Do not continue until one of the following is met:_.Either train's KG Surge Tank level islessthan3ft.OR_.MakeuptotheKG Surge Tankhasbeen initiated us ing RN.OR*BothKG Surge Tank levels are stable or going up.26.RETURNTO Step 23.27.IFAT ANY TIME leak is knowntobeon an Essential header, THEN perform one of the following:

NOTE The enclosureusedin next s tepwillalso isolate Essential heade r w ith lea k._.IF leakon1B Train ,THENGOTO Enclosure 4 (Startupof1AKG Train).OR*IFleakon1A Train,THENGOTO Enclosure 5 (Startup of1BKG Train).

..;.'.MNSLOSSOFKCORKCSYSTEM LEAKAGEPAGENO.AP/1/A/5500/2112of78UNITIRev.9 I A C TI O N/EXPECTEDRESPON S E I BESPON S E N O T OBTAIN E D I 28.Checkifleakison Reactor Bldg Non-essential headerasfollows:

a.Checkleak-KNOWNTOBEONREACTORBLDGNON-ESSENTIAL HEADER.b.GOTOStep30.c.Check containmentfloorandequipmentsumplevels

-GOINGUP_d.GOTOStep30.29.Attempttoisolateleak byisolatingKCAuxBldg Non-essentialheaderas follows:a.Isolateletdownasfollows

1)Close:*1 NV-458A(75GPMLIDOrificeOutletCont Isol)*1 NV-457A(45GPMLIDOrificeOutletContIsol)*1NV-35A(VariableLIDOrificeOutletCont 1501).a.GOTOStep28.c.c.Performthefollowing:_1)IF ContainmentFloorand Equipmentpumpsareoff

, THENGOTOStep29._2)Stop ContainmentFloorand Equ ipment pumps._3)CheckifConta inment Floo r and Equipmentsumpleve lisgoingup._4)IFsumplevelindicatesaleakin containment

,THENGOTOStep30._5)IFsumplevelisnormal

,THENGO TOStep29.

MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/A/5500/2113of78 UNIT 1Rev.9 A C T I ON/EXPE CTE D RESPON SE N OT OBTAINED 1________________29.(Continued)_2)Chec kNO-IN SERVICE PRIOR TO EVENT._3)Close 1NV-121 (NO Letdown Control).b.CloseallNM valves locatedon1MC-8 (vertical board).c.Ensure recirc valve(s)on operating KC pumps in"AUTO":*1KC-51A(TrainA Recirc Isol)*1KC-54B(TrainBRecircIsol).

d.Close the following:_1)1 KC-50A(TrnAAuxBldgNonEssSupIsol)._2)1 KC-1A(TrnAAuxBldgNonEssRetIsol)._3)1 KC-53B (TrnBAuxBldgNonEss Sup Isol)._4)1KC-2B(TrnBAuxBldgNonEssRetIsol).e.Evaluate whetherleakis isolated based on:*Surge Tank(s)leveltrend

• Amount of makeup established*IFKCsurgetanklevelisgo ing up, AND statusofleak isolation i s unknown, THEN reduce KC surge tank makeupflowasrequiredto determineifleakis isolated._2)GOTOStep29.b.

MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/A/5500/2114of78 UNIT 1 Rev.9 ACTI O N/EXPECTED RESPONSE 29.(Continued) f.Check leak-ISOLATED._g.AssumeleakwasontheAuxBldg Non-essential header.h.C lose: RESPONSE N O T OBTAINED f.IF leakstill exists , THEN:_1)Raise KC surge tank makeup flow as required to maintain level.2)WHENSurgeTank on operatingtrainis greaterthan2ft, THENreopenthe follow ing valvesonthe operating train:*ATrain_a)1KC-1A(TrnAAuxBldgNonEssRetIsol)._b)1 KC-50A(TrnAAuxBldgNonEssSupIsol)

.OR*BTrain_a)1 KC-2B(TrnBAuxBldgNonEssRetIsol)

._b)1 KC-53B(TrnBAuxBldgNonEssSupIsol)._3)GOTOStep30.*1NV-1A(NCLIDIsolToRegenHx)*1NV-2A(NCLIDIsolToRegenHx)._i.GOTOStep38.30.Checkthefollowingvalves-CLOSED:*1KC-305B (ExcessLIDHxSupHdrCantOtsdIsol)*1KC-315B (ExcessLIDHxRetHdrCantOtsdIsol)._GOTOStep32.

MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/A/5500/2115of78 UNIT 1 Rev.9 I A C TION/E XPE CTEDRES P O NSE , I I R ESPONSE NOTOBTAI N E D I 31.GOTO Step 33.32.Attempt to isolate leak by isolatingKCto excess letdown as follows: a.Isolate Excess Letdownbyclosing the following va lves:*1 NV-24B(CNCLoopToExsLIDHx Isol)*1 NV-25B(CNCLoopToExsLIDHx Isol).b.Closethe following valves:*1 KC-305B (ExcessLIDHxSupHdrContOtsdIsol)*1 KC-315B (E xcessLIDHxRe t HdrContOtsdIsol).

c.Evaluate whetherleakis isolated based on:*Surge Tan k(s)leveltrend

• Amount of makeup established*IFKCsurgetanklevelisgoingup AND status of leak isolation is unknown , THEN reduceKCsurge tank makeupflowas required to determineifleakis isolated.d.Check leak-ISOLATED.e.Assumeleakwason excess letdown HX.f.GOTOStep38.d.IFleakstill exists , THEN:_1)Ra ise KC surge tank makeup flow as required to maintain leve l._2)GOTOStep33.

--:-:-_:..-MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/A/5500/2116of78 UNIT1 Rev.9 I A CTION/EXPECTED RESPONSE I---------------RESPONSENOTO BTAINED I 33.Attempt to isolate leak by isolatingKCtoNCDTas follows:a.Closethe following valves:*1 KC-320A (NCDTHxSupHdrCant Outs ide Iso l)*1 KC-333A (NCDTHxRetHdrCant Outside Isol)*1 KC-332B (NCDTHxRetHdrCantInsideIsol)

.b.Evaluate whetherleakis isolated based on:*Surge Tank(s)leveltrend

• Amount of makeup estab lished*IFKCsurgetanklevelisgoingup

, AND statusofleak isolation is unknown, THEN reduceKCsurge tank makeupflowasrequiredto dete rmineifleakis isolated.c.Check lea k-ISOLATED.c.IF leak sti ll exists, THEN:_1)RaiseKC surge tank makeup f low as required to maintain level.2)Reopen the following valves:*1 KC-320A (NCDTHxSupHdr Cant Outside Isol)*1 KC-333A (NCDTHxRetHdr Cant Outside Isol)*1 KC-332B (NCDTHxRetHdr Cant Inside Iso l)._3)GOTOStep34.

I':----.-'::'-..MNSLOSSOFKCORKCSYS TEM LEAKAGEPAGENO.AP/1/AJ5500/2117of78 UNIT 1 Rev.933.(Continued)d.IFATANYTIMENCDTtemperature approaches 200 0 F ,THENperformthe follow ingtopreventf lashingofKCwaterinNCDTHX:

_1)StopNCDTpump(s)._2)Close1WL-23(NCDTPump Level Cntrl)._3)Close1WL

-41B(NCDTVentContOutsideIsol)

.4)IFATANYTIMENCDTpressure approachesVCTpressure

, THENcloseoneofthefollowing:

_.1NV-94AC(NCPumpsSealRetContInsideIsol)

OR_.1NV-95B(NCPumpsSealRetContOutsideIsol)

.e.GOTOStep38.

34.Check the following:

a.AnyNCpump-RUNNING.

b.BothtrainsKCsurgetanklevel-ON SCALE.c.BothtrainsKCsurgetanklevelSTAB LEORGOINGUP.35.IFATANYTIMEKC surge tank level starts going down, THEN perform Step 34.36.GOTO Step 38.Perform one of the following:*IFleaklocationisbelievedtobeon ReactorBldgheader,ORlocation unknown , THEN observeNotespr ior toStep37andGOTOStep37

.OR*IFleakhasbeenidentifiedonanEssentialheader,THENRETURNTOStep27.

MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/N5500/2118of78 ,UNIT1Rev.9 I A CTI ON/EXPECTED RES P ONSE I RESP ONSE NOTO B T A I N E D I*Iftheleakisnot stopped by isolatingtheKC Reactor Bldg Header ,andKCpumpsareon,thenthisstepwill immediatelyrestoreKCcoolingtoNCpumps.*KCcoolingforNCpump motor bearingsandthermal barrierswillbeisolatedinthenextstep.TheFoldoutpage providesNCpumptrip criteria.37.Attempt to isolate leak by isolating entire KC Reactor Bldg Header as follows:a.Closethe following valves:_1)1 KC-230A(TrnARxBldgNonEssSupIso l)._2)1KC-3A(TrnARxBldgNonEssRetIsol)._3)1KC-228B(TmBRxBldgNonEssSupIsol)._4)1KC-18B(TrnBRxBldgNonEssRetIsol).b.Evaluate whetherleakisisolatedbased on:*Surge Tank(s)leveltrend*Amountofmakeup established*IFKCsurgetanklevelisgoingup, ANDstatusofleakisolationis unknown , THENreduceKCsurgetankmakeupflowasrequiredto determineifleakisisolated.

MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/AJ5500/2119of78 UNIT 1Rev.9 I ACTION/EXPECTED RESPONSE I I RESPONSE NOT OBTAINED I 37.(Continued) c.Checkleak-ISOLATED.c.IFleakstillexists, THENperformthe following:_1)RaiseKCsurgetank makeup flowasrequiredto maintain level._2)Assumeleakisonthetrain's Essential header with affectedsurgetanklevel.

3)IF1AKCpumpsrunning, AND 1AKCSurgeTanklevelis greater than1ft, THENalign1AKCtrainto Reactor Bldg headerasfollows:a)Closethe following valves:_(1)1 KC-228B(TmBRxBldgNonEssSupIsol)._(2)1KC-18B(TrnBRxBldgNonEssRetIsol).b)Openthe following valves:_(1)1 KC-3A(TmARxBldgNonEssRetIsol)._(2)1 KC-230A(TrnARxBldgNonEssSupIsol).(RNO continuedonnextpage)

MNSLOSSOFKCORKC SYSTEM LEAKAGE PAGE NO.AP/1/A/5500/2120of78 U NIT 1 Rev.9 A CTI O N/EXPECTED R ESPONS E 37.(Continued)....._-."--_...RESPONSE N OT OBTAINED 4)IF1BKC pumps running , AND1B KC Surge Tan klevelis greater than1ft , THEN align1BKCtrainto Reactor Bldg header as follows: a)Close the following valves:_(1)1 KC-230A(TrnARxBldgNonEssSupIsol)._(2)1 KC-3A(TrnARxBldgNonEssRetIsol)

.b)Open the following valves:_(1)1KC-18B(TrnBRxBldgNonEssRetIsol)

._(2)1 KC-228B(TrnBRxBldgNonEssSupIsol)

.NOTE The enclosure used in next stepwillalso isolate Essential heade rwithleak.Itwilla lso a lign non-essential headerstothe intactKCtrain.5)Performoneofthe following:*IF leakon1BTrain,THENGO TO Enclosure 4 (Startupof1A KC Train)OR*IFleakon1A Train ,THENGO TO Enclosure 5 (Startupof1B KC Train)._6)GOTO Step 39.

MNSLOSSOFKCORKCSYSTEMLEAKAGEPAGENO.AP/1/A/5500/2121of78 UNIT 1 Rev.9 A CTI ON/E XP E CTED RES P ONSE RESP ONS E NO T OBTAIN E D37.(Continued) d.IFATANYTIME NCDT temperature approaches 200 0 F , THENperformthe follow ingtopreventflash ingofKCwaterinNCDTHX:_1)Stop NCDT pump(s)._2)Close1WL

-23(NCDTPumpLevel Cntrl)._3)Close1WL

-418(NCDTVentCont Outside Isol).4)IFAT ANY TIMENCDTpressure approachesVCTpressure

, THENcloseoneofthefollowing:_.1NV-94AC(NCPumpsSealRetContInsideIsol)

OR_.1 NV-958(NCPumpsSealRetContOutsideIsol)

.e.Tripreactor

.f.WHENreactortripped, THENstopall4NCpumps._g.GOTO EP/1/A/5000/E-0(ReactorTriporSafetyInjection),whilecontinuing i nthisAPastimeandconditionsallow

.

---.

MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/A/5500/2122of78 UNIT 1Rev.9 A CTI ON/EX PE CTE D RES PON SE 38.CheckKCpumps-ATLEASTONE RUNNING.RE S PON S E NOT OBT A I NEDWHENKCSurgeTankLevel greater than 2 ft,THENstartoneKCTrainPERoneofthefollowing:*IF des iredtostart1AKCTrain

.AND 1A KC SurgeTankis greater than2ft.THENGOTO Enclosure4(Startupof1AKC Train).OR*IF desiredtostart1BKCTrain

, AND1BKCSurge Tank is greaterthan2ft.THENGOTO Enclosure5(Startupof1BKC Train).39.Continueattemptstoidentifyandisolate leak: a.Check header w ithleak-ISOLATED.a.Perform the follow ingasdesiredto isolate leak: NOTE Headerwithleakmaybeleftin service aslongasKC surge tanklevelcanbe maintained.

The decision to isolateleak should depend o n sizeofleakandcritical components on associated header.*IF requiredtoswap operating trainsofKCduetoleakonanEssential header.THEN evaluate performingStep27.*IFrequiredto isolatetheentireAux Bldg Non-essent ial header , THEN evaluate perform ingStep29.(RNO continuedonnextpage)

MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/A/5500/2123of78 UNIT 1Rev.9 A C T I O N/EXPE CTEDRESPON S E RESPONSE N OTOBTAINE D i._39.(Continued)*IF required to isolateleakon excess le tdownorNCDT, THEN evaluate performing Steps 30 through 33.NOTEIfcool ingtoNC pumpswillbeiso lated, it i s preferabletowaituntil NC pumps are already shutdown.b.Determine individual componentthatis leak ing.40.WHEN leaking individual component is isolated ,ORifan isolated KG non-essential header is determinedtobeintact,THEN evaluate placing affected KG header back in service PER Enclosure 7 (Reopening KG Headers).*IF required to isolateKCto just the NC pumps , THEN:_1)EnsureNCpumptripcriteriaon Foldoutpageis monito red.2)Evaluate closing the following valves:_a)1 KC-338B(NCPumpSupHdr Cont Outside Isol)._b)1 KC-425A (NC Pumps Ret Hdr Cant Outside Isol)._c)1 KC-424B(NCPumpsRet Hdr ContInsideIsol)

.*IF requiredto isolate entire Reactor Bldg Non-essential header , THEN observe Notes priortoStep37and evaluate performingStep37.

MNSLOSSOFKCORKCSYSTEMLEAKAGEPAGENO.AP/1/A/5500/2124of78 UNIT 1Rev.9 I A CTIO N/EXPECTED RESPON S EII...._----.._.R E SPONS E N OT OBTAI NED I 41.Checkany letdownpath-IN SERVICE.42.CheckNCpump thermal barrier valves>>OPEN:*1KC-394A(ANCPumpThermBarOtlt)*1KC-345A(CNCPumpThermBarOtlt)*1KC-364B(BNCPumpThermBarOtlt)*1KC-413B (0NCPumpThermBarOtlt).

Perform the following:

a.IFKCisalignedtotheAuxBldg Non-essential header, THEN:_1)Alignnormalletdown PERAP/1/A/5500/12(LossOfLetdown,ChargingOrSeal Injection)._2)IFNOisinRHRmodeandNO letdown isdesired, THEN establishletdownfromtheNOSystem PER OP/1/A/6200/001A(ChemicalandVolumeControlSystemLetdown)

, Enclosure 4.1 (Establishing AuxLetdownFromTheNOSystem,ChargingFlowandSealInjection Flow).b.IFKCisalignedtothe Reactor Bldg Non-essential header, AND excessletdownisrequired

, THEN establish PEREP/1/A/5000/G-1(Gener ic Enclosures), Enclosure2(EstablishingExcessLetdown)

._Open valves unless requiredclosedto isolate leak.

MNSLOSSOFKCORKCSYSTEM LEAKAGE PAG E NO.AP/1/A/5500/2125of78 UNIT1Rev.9 ACTI O N/EXPECTEDRESPONSE 43.Check KC to Aux Bldg Non-essential header-ESTABLISHED.

.-.__.----....._--..---RESPONSE N O T OBTAINED 1._Perform the following:

a.Ensu reallNMvalveslocatedon1MC-8(verticalboard)arec losed.b.Notify secondaryandprimarychemistry that:*NMvalveshavebeenisolated

.*KCcoolingtoAuxBldgNon-essential headerisisolated

.*NormalandNO letdownis isolated.c.REFERTO Enclosure6(VCTHigh Temperature Actions).d.No tify station managementtoevaluateSpentFuelPoolcooling

.e.GOTOStep46.

4 4.Check NM valves(on1MC-8)PREVIOUSLY CLOSEDBYTHIS PROCEDURE.

4 5.Notify Chemistry to coordinate reestablishing NM.46.Evaluate KC chemistry requirements as follows:*NotifyPrimaryChem istryofKCmakeupthathasoccurredorisinprogress

.*EvaluaterecirculatingtheKCSurgeTankvo lumeandfeedandbleedofKCSystemPER OP/1/A/6400 1005 (Component Cool ingWaterSystem)

._GOTO Step 46.

MNSLOSSOFKCORKCSYSTEMLEAKAGEPAGENO.AP/1/A/5500/2126of78 UNIT 1 Rev.9 I A C T I O N/EXPECTEDRESPON SE , I I RESPONSE N OT OBTAINED I 47.CheckbothtrainsRN suction-ALIGNEDTOLLI.Performthefollowing:

a.IFbothAandBtra inRNpumpsarealignedtotheSNSWP

,THENGOTOStep48.b.IFbothofthefollowingvalvesare closed,THENGOTOStep48:*1RN-41B(TrainBToNonEssHdr 1501)*2RN-41B(TrainBToNonEssHdr 1501).c.IFbothofthefollowingvalvesare closed ,THENGOTOStep48:*1RN-43A(Tra inBToNo nEssHdr 1501)*2RN-43A(TrainBToNonEssHdr 1501).(RNa continuedonnextpage)

MNSLOSSOFKCORKC SYSTEM LEAKAGEPAGENO.AP/1/A/5500/2127of78 UNIT1Rev.9 ACTI O N/EXPECTEDRESPONSE 47.(Continued)

R ESPONSE N OT OBTA IN E D d.Contact station management to evaluate the following:

NOTE*Iftrainwithsuctiononpond isalignedtotrainwith dischargetoRC(viaopencrosstie),orto non-essent ial header , SNSWPmaybe pumped tothelake.*Unit 1 non-essential headers dischargetoAT ra in discharge.Unit2 non-essential headers dischargetoBTrain discharge.*Unit1and2 non-essential headersmaybe cross t iedthroughRNtoRLtie.48.RETURNTO procedureandstepin effect.*SNSWP draw down*AlignmentofRNSystem.

Examination Outlinereference:

Level RO SRO Tier#1-----Group#1 KiA#(026)G2.1.25 Importance Rating 4.2-----Rev"1tothe packageLossof Component Cooling Water/Conduct of Operations

Abilityto interpretreferencematerials,suchasgraphs,curves,tables,etc Proposed Question: SR077 Initial conditions:Time=0 minutes*Unit1isat 100%power.*"A"TrainKC pumpsarerunning.

• Operatorshavebeen dispatched to initiate YM makeuptotheKCSurge Tank.*"A"KC Surge Tanklevelis6.5 ft.*"B"KCSurge Tanklevelis6.5 ft.Current conditions:Time=5 minutes*"A"KCSurge Tanklevelis5.6feet*"B"KC Surge Tanklevelis6.4feet.

WhichONE(1)ofthe following describes(1)the approximateKCsystemnetleakrate,and(2)therequiredactionand procedure use required in AP/21 , LossofKCorKC System Leakage?(Reference Provided)A.B.C.D.(1)(2)(1)(2)(1)(2)(1)(2)50GPM Isolate KC Non-Essential Headers in accordance with Enclosure 2.50GPM Isolate"A"KCtrainfrom"B"KCtrain.100GPM Isolate KC Non-Essential Headers in accordance with Enclosure 2.100GPM Isolate"A"KCtrainfrom"B"KCtrain.

Proposed Answer: 0 Explanation (Optional):

Discorrectperconditions

.Applicant must interpretcurveand determine theleakrateindicationsbasedonlevel decreasesAincorrectbecauseleakrateiswrong(1/2ofactual,asinterpretedbycurve.)

Also ,actionisincorrect,asprocedurew ill di rectsplittingtrainsfor indication shownBincorrectbecauseleakrateisinco rrect.PlausiblebecauseactioniscorrectCincorrectbecauseprocedureuseisincorrect.

Approximately 0.1 feet/minute

,performstep20tosplittra ins TechnicalReference(s):AP/21Step20Rev9AP/21BasisDocumentRev3(Attachifnotpreviously provided)Proposedreferencestobeprovidedtoapplicantsduring examination

OP/1/N61 00/22Enclosure4

.3 Curve 7.31 xLearningObjective:QuestionSource:

None Bank#ModifiedBank

1. New(Notechangesorattach parent)----QuestionHistory:QuestionCognitive Level:LastNRCExamModifiedfrom2007NRCexam 78Memoryor Fundamental Knowledge ComprehensionorAnalysis x10CFRPart5555.41 Content:55.435---Comments:KAmatchedbecauseuseofacurveisrequiredandinterpretationofthatcurveisrequiredtodetermineKC(CCW)leakrate

.SROlevelbecause assessment of conditionsbasedon available indications

, and selection of procedures (attachments)isrequired RFA Concurs 4/17/08 Attachment2SROQuestion77DuringthePostExamItemAnalysiswehave determined that Question77hastwocorrectanswerswith Distracter"C"beingasubset oftheCorrectAnswer"D".Dueto this determinationweproposethatboth"C"and

'D"beacceptedascorrect.Inthis questionthecandidateisaskedtodeterminealeakratefromtheKC (ComponentCooling)System.The operatorisgivenKCsurgetanklevelsfor T=OandT-+5minalongwithacopy oftheKCSurgetanklevelcurvefromtheDataBook.

Correctlyperformed,theleakrateis determinedtobe approximately100GPM.Alsointhestem ofthequestiontheoperatorisadvisedthat"Operatorshavebeen dispatchedtoinitiateYMmakeuptotheKCsurgetank",butarenottoldthatthismakeuphasactuallybeenestablished.Theinitiallevelinthesurgetankis6.5ft.Thecandidateisthenaskedtodetermine"therequiredactionandprocedureuse required in AP/21 , Loss ofKCorKCSystemLeakage".

Per paragraph 7 ofAppendixE of NUREG-I021page2 of6whichispart of the briefinggivenpriortotheexam,the candidatesaregiventhefollowing instructions,"When answeringaquestion,donotmake assumptions regardingconditionsthatarenotspecifiedinthequestionunlesstheyoccurasa consequence ofotherconditionsthatarestatedinthequestion.Similarly,youshouldassumethatno operatoractionshavebeentaken,unlessthestem ofthequestionortheanswerchoices specificallystateotherwise.Finally,answerallquestionsbasedonactualplantoperation, proceduresortheanswer choices specifically stated otherwise".Withthis directioninmindthecandidatecan correctlyassumethatYMmakeupisnot initiallyalignedbutwithina reasonable period oftimeitwillbe.(PertheTimeCriticalActionsforourplantthisshouldoccurwithin10min of dispatch)Accordingtothe background documentforAP-21pg10 of23,"Perengineering,YMmakeupshouldbesufficienttokeepupwiththeFSARdesignbasisleak of50GPM".After determiningthata100GPMleakexists,evenwithYMmakeupalignedthe candidate would reasonablycometothe conclusionthatKCsurgetanklevelwould continuetodecrease.

Procedurallywewouldalignthe NuclearServiceWaterassuredmakeup ifYMwasnot sufficienttokeepupwiththeleakbutthecandidatesaretoldtonotassumeany operatoractionsnotstated, thereforeitis reasonableforthe candidatetoassumethatthishasnotandwillnot happen unless otherwise stated.Procedural guidanceperAP-21directsthatonceithasbeen determinedthataleakexistsoperatorsbe dispatchedearlytoinitiateYMmakeupperStep11.The procedure thencheckssurgetanklevelgreaterthan3ftwhichforthescenariogivenitshouldbeforthefirstpassthruthisstep.The operatoristhendirectedtocheckthe"sum of both trains'KCsurgetankleveldropsLESSTHANOR EQUALTO0.10 FT/MIN".Iftrue,whichfortheleakratecalculated,itwouldbe,thecrewisdirectedtoStep20whichwillIsolate

.

-:.-:..:.'....."A"KCtrainfrom"B"KCtrain.Thisactionis consistentwiththeactionsstatedintheCorrectanswer "D"makingitavalidcorrectanswer.Onceagain,assumingnooperatoractionhastakenplace

,thesurgetanklevelswillcontinuetodecreaseuntiltheyreacha level of 2 ft.Atthispointthe"foldout"pagewoulddirectthe operatortoisolatetheaffectedtrainPEREnc.2.ThisactionisstatedinDistracter"C"andsincethestemdoesnotrefertothe"First" or"Next"actiontaken

,thisactionis actuallyasubset of"D" andthereforeacorrectanswer.Basedonthediscussionaboveandtheattachedreferences

,werecommendthatboth"C" and"D"beacceptedascorrectanswers.

The Post-exam Item Analysis indicated that4of9 applicants missed this question.*All4chose"C"-Understandablysincethis distracterisanactionthatwouldbe taken assumingnootheractionsoccur

.Noapplicantaskedfor clarificationonthisquestionwhiletakingtheexam.

How did this question get through Validation?Question77underwentminorrevisionsduringthe validationprocessbutremainedfairlyclosetotheoriginalversion

.Giventanklevelswerechangedfor clarification in determiningtheleaksizedueto earlier misses because of miscalculation ofthe50GPMvs100GPMleaksize

.Itwasalso recognizedthatweneededtoclarifythatmakeuptothesystemhadnotbeeninitiated.Oncetheleaksizeissueswereaddressed

,10moreoperatorsvalidatedthe questionwith6 missingandallbut1picked "C".Weattributedthistothefactthatnone oftheseoperatorshad probablystudiedtheAPinquiteawhilesoitmadesensethatthe"decay" oftheindepth knowledgerequiredtoanswerthisquestionwouldresultisasubstantial number o fwronganswers.

Inallt he post validationinterviews,Idonot remember anyone questioningthatbothanswerswerecorrectandfromwhatIcan rememberallweresatisfiedwith attributingtheincorrectanswerto "decay" ofmemory.Ialsoreviewedmynotesfromall of these validationsandIrecordednothing concerning the possibility oftwocorrectanswers.Asdescribedabove

,Ibelieveitwas justeasyfor everyoneconcernedtoacceptthisbeingaproblemwith deca y of memoryandthattheHLPstudentswouldbe operatingonahigherlevel of in depth procedure knowledgesothisquestionwasconsideredtobeacceptable.Duringthepostexamitemanalysis

,werevisited this questionandwith e veryone thatmisseditpicking distracter "C"it becameapparentthatwemayha vemissedsomething.Itwashardtoapplythe "decay of knowledge"theorytotheHLPstudentsso w e reconsidered distracter "C".TheAPforKCisfairlydifficulttofollowwithoutreadingitwithinanactualscenarioandwhenwelookedmorecloselyathowthequestionwas presentedinthestemandthe plausibility of distracter"C" it becameapparentthatthisactionwouldindeedbetakenandthatitwasactuallyasubset of"D"...:_.,:.;:,..

.

Attachment 3a SRO Question 84 Based on Post Examination Test Item Analysis, accept both A andDas correct.Both answers are correct and do not contain conflicting information.

Selected License Commitment(SLC)16.11.3 states: "16.11.3Dose-LiquidEffluents COMMITMENT APPLICABILITYThedoseordose commitmenttoa MEMBEROFTHEPUBLIC from radioactivematerialsinliqu id effluentsreleasedfromeachunitto UNRESTRICTEDAREAS(see Figure16.11.1-1)shallbe limited:a.Duringany calendar quarter, to:s1.5mremtothetotalbodyandto:s5mremtoanyorgan

, andb.Durin g any calendar year , to3mremtothetotalbodyand to10m re m to anyorgan.Atalltimes.

" Di stracter D ofthequ estion reads"3 m rem wholebody doe in a calendar year , A D10mremorgandoseinacalendar ye ar".Thisi sadirectmatcht o 16.11.3.b a sseenabove.**********************

• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • The proposed answerofA is still correct as shown below: "16.11.3Dose-Liquid Effluents COMMITMENTThedoseordose commitmenttoa MEMBEROFTHEPUBLIC from radioactivematerialsinliquid effluentsreleasedfromeachunitto UNRESTRICTEDAREAS(see Figure16.11.1-1)shallbe limited:a.Duringany calendar and to:s5mrem.toanyorgan,and APPLICABILITY Distracter"A" readsb.Duringany calendar:s10mremtoanyorgan.Atalltimes."andto ,AND Thi s cover s requirementsinboth16.11.3.aandb.

Attachment 3b SRO Question 84 Qu e stion 84 endedup withtwoc orrect answ ers becau se I madealast minute ch angetoCandDdi stract eranddidn't validatethe technical accuracy.Ith oughtIwa s merel y correctin gatypoinbothdi stracter s.In ouroriginalsubmittalthi s que stionwasun sat becau se of l ow di scriminatoryvalue.Atthattimeitwa snotatw opartqu e stion.Ju stafewdays beforeourtriptoAtlanta, wemadeea ch di stract er t w o-part to increa se it s discriminatory value.Thi s i swhatitlo okedlikeon 4/16/08:*************************************************

• • • • • • • • • Given th e following: Turbine Building SumptoRC Radiation M onitor , EMF-31 , i s discov ered t o have an alarm setpointthatisse t ONE decade higher than required.Which ONE (1)ofthef ollowing describes the impact ofthi s condition?Thedo seordose c ommitment to members ofthepublicma y ex ceed the requirement s o f IOCFR50of....A.1.5 mrem whole b ody d oseina calend ar quarter , AND3m rem wholebodydo se in a calendar year.B.3 mrem wholebodydo seina calendar quarter , AND 5 mrem wholebodydoseina calendar year.c.1.5 mrem wholeb ody doeina calendar y ear , AND 5 mrem cal endar year.ma D.3 mrem whole b ody doseina calendar year , AND IO mrem cal endar yearina Correct an swer: A***********************************************************************Duringafinal review priortoour leaving for Atlanta,Ireali zedthatb othpartsofCandDdealwith wholebodydoseina calendaryear.Thismade them obvi ously implausible.Beinginarush

,lju st changed the second to"orga n".I didn't tak e thetimetov alidate againsttheSLC , s o I didn't realizelju st made"D" a corre ct answer.This error gaveusthe questionthatwa s administeredtothe applicant s.

I didn't realizether ealtypowasthe"year"inthefirstpart ofCandD distracter.

I shouldhave changed the"year"inthefir stpartto"quarter".Thisw ould ha vemadeD incorrect.

Attachment 3c SRO Question 84 The original intent oftheque stionwastotestthe wholebodydose limits per quarter andperyear.Allfour distracters SHOULD ha ve addre ssed quarterandyear, n ot just year.************************************************************Given the following:

Turbine Building SumptoRC Radiation Monitor, EMF-31, i s di scovered t o have an alarm setpointthati s set ONE decade higher than required.Which ONE (I)of the following d e scribes the impact ofthi s condition?

The doseord ose c ommitment to members ofthepublicmay exceed the requirement s ofIOCFR50of....A.1.5 mrem wh ole b ody d oseinac alendar quarter ,AND3 mrem wholebodydo se in a calendar year.B.3 mremwholebodydo seina calendar quarter ,AND5mr em wholebodydoseina calendar year.C.1.5 mrem whole b ody d oseina calendar vear quarter ,AND5 mrem whole body do seina calendar year.D.3 mrem wholebodydo seina calendarquart er, AND10mr em whole body do seina calendar year Correct an swer: A*****************************************************************

Examination Outlinereference:

Level RO SRO Tier#1----Group#2 KIA#(059)G2.2.38 Importance Rating 4.5----AccidentalLiquidRadw a ste Release/EquipmentCont r o l: K nowledge o f condi ti onsand l i m itat ions inth e f acility license.Proposed Question: Given the following:

SR084 Turbine Building SumptoRC Radiation Monitor , EMF-31, is discoveredtohave an alarm setpoint thatisset ONE decade higher than required.Which ONE(1)ofthe following describes the impactofthis condition?

The dose or dose commitment to membersofthe public may exceed the requirements of 10CFR50 of....A.1.5 mrem wholebodydoseina calendar quarter, AND 3 mrem wholebodydoseina calendar year.B.3 mrem wholebodydoseina calendar quarter, AND 5 mrem whole body doseina calendar year.C.1.5 mrem whole body doseina calendar year, AND 5 mrem organ dose in a calendar year.D.3 mrem whole body doseina calendar year , AND 10 mrem organ dose in a calendar year.Proposed Answer: A Explanation (Optional):

A.Correct.Thisisa memory item.SLC states thatthedoseordosecommitmenttoaMEMBEROFTHEPUBLICfromradioactivematerialsinliquideffluentsreleasedfromeachunitto UNRESTRICTEDAREASshallbelimitedDuringanycalendarquarter

, to1.5mremtothetotalbodyandto5mremtoanyorgan,andDuringanycalendaryear,to3mremtothetotalbodyandto10mremtoanyorgan.

Below options are plausible because the numbers suppliedareallpartoftheSLC.

B.Incorrect.

3 mrem is Whole Body Dose allowed for a calendaryear,5 mrem is Organ Dose allowed for a calendar quarter.C.Incorrect.

1.5 mrem correct, 5 mrem is Organ Dose allowed for a calendar D.quarterIncorrect.3mremisWholeBodyDoseallowedfora calendaryear,10mremisOrganDoseallowedforacalendaryear.SLC16.11.3,Rev0 TechnicalReference(s)(Attachifnotpreviously

__________

provided)ProposedreferencestobeprovidedtoapplicantsduringNone examination:LearningObjective

QuestionSource:QuestionHistory

QuestionCognitive Level:WE-RLRObj6 Bank#ModifiedBank(Notechangesorattach

1. parent)New X----LastNRCExam

---

MemoryorFundamentalKnowledgeXComprehensionorAnalysis10CFRPart5555.41 Content: 55.43 1,2,4 Comments:KAismatchedbecause10CFR50requirementsforradioactivereleasearelimitationsinthefacilitylicense.SROknowledgebecausetheitemrequiresknowledgeofSLC(TRM)conditionsthatwillrequireactionbytheSRORFA Concurs 4/17/08 Dose-LiquidEffluents 16.11.316.11RADIOLOGICAL EFFLUENT CONTROLS16.11.3Dose-Liqu id Effluents COMMITMENT APPLICABILITYThedoseordose commitmenttoaMEMBEROFTHEPUBLICfromradioactivematerialsinliquid effluentsreleasedfromeachunitto UNRESTRICTEDAREAS(seeFigure16.11

.1-1)shallbelimited:a.Duringanycalendarquarter, to.$1.5mremtothetotalbodyand to.$5mremtoanyorgan,and b.Duringanycalendaryear, to.$3mremtothetotalbodyandto

.$10mremtoanyorgan.Atalltimes

.REMEDIALACTIONS

---

---

---

NOTES

---

---

EnterapplicableConditionsandRequiredActionsofSLC16.11.12,"TotalDose,"whenthelimitsofthisSLCareexceededbytwicethespecifiedlimit.

A.CONDITIONCalculateddosefromreleaseofradioactivematerialsinliquideffluentsexceedingabovelimits

.REQUIREDACTION

---

NOTE--------------TheSpecialReportshallincludetheresultsofradiologicalanalysesofthedr inkingwatersource,andtheradiologicalimpactonf inisheddrinkingwatersupplieswithregardtothe requirementsof40CFR141,SafeDrinking WaterAct,as applicable.COMPLETIONTIMEA.1Prepareandsubmita30daysSpecialReporttotheNRC which identifiesthecausesforexceed ingthelimits, correctiveactionstakentoreducereleases

, and act ionstakentoensure that subsequent releasesarewith in l imits.McGuireUnits1and2 16.11.3-1Revision0

.:.-.0_-Dose-LiquidEffluents 16.11.3TESTINGREQUIREMENTS TESTTR16.11.3.1Determinecumulativedose contributionsfromliquideffluentsforcurrentcalendar quarterandcurrentcalendaryearinaccordancewiththemethodologyand parameters intheODCM.BASES FREQUENCY 31 daysThiscommitmentisprovidedto implementtherequirementsofSectionsII.A,III.AandIV.AofAppendix1

,10CFRPart50.The commitmentimplementstheguidessetforthinSectionII.AofAppendix I.TheREMEDIALACTION statementsprovidetherequiredoperating flex ibilityandatthesametime implementtheguidessetforthinSectionIV.AofAppendixItoassurethatthereleasesofradioactivematerialin liquideffluentsto UNRESTRICTEDAREASwillbekept"aslowasisreasonablyachievable

."Also,forfreshwatersiteswithdrinkingwatersuppliesthatcanbepotentiallyaffectedbyplantoperations,thereisreasonableassurancethattheoperationofthefacilitywillnotresultinrad ionuclide concentrationsinthefinisheddrinkingwate rthatareinexcessoftherequ irementsof40CFRPart141.Theserequirementsareapplicableonly ifthedrinkingwatersupplyistakenfromtheriver3miles downstreamoftheplantdischarge.Thedosecalculation methodology and parametersinthe aDCM implementthe requ irementsinSect ion liLAofAppendixIthat conformancewiththeguidesofAppendixIbeshownbycalculational proceduresbasedonmodelsanddata,suchthattheactualexposureofaMEMBEROFTHEPUBLICthroughappropr iatepathwaysisunlikelytobe substantially underestimated

.TheequationsspecifiedintheODCMforcalculatingthedosesduetotheactualreleaseratesofradioactivematerialsinliquideffluentsare consistentwiththe methodologyprovidedinRegulatoryGu ide 1.109 ,"CalculationofAnnualDosestoManfromRoutineReleasesofReactorEffluentsforthePurposeofEvaluating Compliancewith10CFRPart50

, Append ix I ," Revision 1,October1977andRegulatoryGuide1.113,"EstimatingAquaticDispersionofEffluentsfromAccidentalandRoutineReactorReleasesforthePurposeof ImplementingAppendixI,"April1977.

This commitmentappliestothereleaseofliquideffluentsfromeachunitatthesite

.ForunitswithsharedRadwaste TreatmentSystems,the liquideffluentsfromthesharedsystemaretobeproportionedamongtheunitssharingthatsystemin accordancewiththeguidancegiveninNUREG-0133, Chapter 3.1.McGuireUnits1and2 16.11.3-2Revision0 Dose-LiquidEffluents 16.

11.3 REFERENCES

1.McGuireNuclearStation,OffsiteDoseCalculationManual2.40CFRPart141,SafeDrinking Water Act3.10CFRPart50,AppendixI4.RegulatoryGuide1.109,"CalculationofAnnualDosestoManfromRoutineReleasesofReactorEffluentsforthePurposeofEvaluatingCompliancewith10CFRPart50,AppendixI,"Revision1,October1977.

5.RegulatoryGuide1

.113,"EstimatingAquaticDispersionofEffluentsfromAccidentalandRoutineReactorReleasesforthePurposeofImplementingAppendixI,"April1977.McGuireUnits1and2 16.11.3-3 Revision a Examination Outlinereference:

Level RO SRO Tier#1----Group#2 KIA#(059)G2.2.38 Importance Rating_4_._5_Rev1 to the package Accidenta l Liqu id RadwasteRele ase/EquipmentControl: Knowledge o f conditionsa nd limitations in the facilitylicense.Proposed Question:Giventhe following:

SR084 Turbine Bu ilding SumptoRC RadiationMonitor,EMF-31,is discoveredtohaveanalarm setpoint thatissetONE decade higherthanrequired.

WhichONE(1)ofthe following describes the impactofthis condition?

The doseordose commitment to membersofthe public may exceed the requirements of 10CFR50of....A.1.5mrem wholebodydoseina calendar quarter,AND3mremwholebodydoseina calendar year.B.3mrem whole bodydoseina calendarquarter,AND5mrem whole body doseina calendar year.C.1.5mremwholebodydoseina calendaryear,AND5mremorgan dose in a calendar year.D.3mrem wholebodydoseina calendar year ,AND10mremorgan dose in a calendar year.ProposedAnswer:A Explanation (Optional):

A.Correct.Thisisa memoryitem.SLCstates thatthedoseordose comm itmenttoa MEMBEROFTHE PUBLIC from radioactive materialsinliqu id effluents releasedfromeachunitto UNRESTRICTED AREASshallbe limitedDuringanycalendar quarter, to1.5mremtothetotalbodyandto5 mrem to any organ, and Duringanycalendaryear

, to3 mremtothetotalbodyandto10mremtoany organ.Below options are plausible because the numbers suppliedareallpartoftheSLC

.B.Incorrect.3mremis WholeBodyDoseallowed for a calendaryear,5mremisOrganDoseallowed for a calendar quarter.C.Incorrect.1.5mremcorrect,5mremisOrganDoseallowed for a calendar quarterD.Incorrect.3mremisWholeBodyDoseallowedfora calendaryear,10mremisOrganDoseallowedfora calendar year.SLC16.11.3,Rev a TechnicalReference(s)(Attachifnotpreviously provided)----------ProposedreferencestobeprovidedtoapplicantsduringNone examination:LearningObjective:QuestionSource:QuestionHistory:QuestionCognitive Level: WE-RLRObj6 Bank#ModifiedBank(Notechangesorattach

1. parent)New X----LastNRCExam

---

Memoryor Fundamental Knowledge X ComprehensionorAnalysis10CFRPart5555.41 Content:55.431 ,2,4 Comments:KAismatchedbecause 10CFR50 requirementsforradioactivereleaseare limitationsinthefacilitylicense.SROknowledgebecausetheitemrequiresknowledgeofSLC(TRM) conditionsthatwillrequireactionbytheSRORFAConcurs 4/17/08 Attachment 3a SRO Question 84 Based on Post Examination Test Item Analysis, accept both A andDas correct.Both answers are correct and do not contain conflicting information.

Sel ected License Commitment(SLC)16.11.3states:

"16.11.3Dose-LiquidEffluents COMMITMENT APPLICABILITYThedoseordosecommitmenttoaMEMBEROFTHEPUBLICfromradioactivematerialsinliquideffluentsreleasedfromeachunitto UNRESTRICTEDAREAS(see Figure16.11.1-1)shallbe limited:a.Duringanycalendar quarter , to:5.1.5mremtothetotalbodyandto:5.5mremtoanyorgan

, andb.Duringanycalendaryear,to

5.3mremtothetotalbodyandto10mremtoanyorgan.Atalltimes

." Distracter D ofthequestion r eads" 3 mrem whole body dose in a calendar year ,AND10mremorgan dose in a calendar year".Thisisadirect matchto16.11.3.b asseenabove

.*****************************************************************The proposed answer ofAis still correct as shown below:"16.11.3Dose

-LiquidEffluents COMMITMENTThedoseordose commitmenttoaMEMBEROFTHEPUBLICfromradioactivematerialsinliqu ideffluentsreleasedfromeachunitto UNRESTRICTEDAREAS(seeFigure16.11

.1-1)shallbe limited: a.Duringany calendar uarter to<1.5mremtothetotalbod and to:5.5mremtoanyorgan,and APPLICABILITY b.Dur ing any calendar:5.10mremtoanyorgan

.Atalltimes."andto Attachment 3b SRO Question 84 The Post-exam Item Analysis indicated that 6 outof9 applicants missed this question.*3 chose"B"-wrong because3mRis yearly limit ,notquarterl y;5mRis quarterly limit ,butto organs ,notwholebody.*1 chose"C"-wrong because1.5mRis quarterlylimitto whole bodydose,not yearly limit;5mRisquarterl ylimittoorgans

,notyearl y limit*2 chose"D"-det ermined thisis also a correct answer.Question84endedupwithtwocorrectanswers becausealast minute changetoCand0 distracterswasmade without validatingthete chnical accurac y.The intention w as tocorrectwhatwasthoughttobea typoin both distr acters.How did this question get through validation?Theoriginal questionwasnota two-part question.During validation, this questionhadahighmissrate.However,thiswas attributedtothefactthatthisSLCis more difficult to remember than other more commonones.When originall y submitted , this question was determinedtobeunsat because oflow discriminatoryvalue.On4-15-08(just priortothe written examreviewinAtlant a), the question was revisedtomake each distracterpartto increase it s discriminatory value.Atthistime

, the question had ju st one correct answer.Itisshownon Attachment A.On4-16-08 , justpriorto traveling to Atlanta , a changewasmadeto OistractersCandD.The intentionwastocorrectatypo.

However , this changewasnot validated against theSLC,sonoone detectedthefactthat "0"wasnowa correctanswer.This two-part questionwasnot validateduntilafterthe written examreviewinAtlanta.Duringthe post-Atlanta val idation ,4out of4indi viduals missed this question:*1 chose"B"*3 chose"C" The validationresultswerenot questioned because of the assumptionthatthisw as ju st a difficult SLC question(basedonthe previous validationresult s)thatwas made more difficultwhenitwasmadea two-part question Althoughnoone picked"D",thiscorrectanswerma y hav e been detected ifwehadallotted adequatetimeto debrief eachvalidator.We have captured this lesson learned to ensure we allot adequate time to debrief all valida tors orata minimum to more thoroughly investigate all high miss questions.

ATTACHMENT AThisiswhat Q 84 lookedlikeon 4-16-08:************************************************

• • • • • • • • • Giventhefollowing:

Turbine Build ingSumptoRC Radiation Monitor , EMF-31 , i s disco veredtoha ve an alarm setpoint thatissetONE decade higherthanrequired.

WhichONE(1)of the following describes the impact of this condition?Thedoseordose commitment to members of the public may exceed the requirements of 10CFR50 of....A.1.5mrem whole body doseina calendar quarter ,AND3 mrem whole bodydosein a calendar year.B.3 mrem whole bodydoseina calendar quarter, AND 5 mrem whole bodydoseina calendar year.c.1.5 mrem whole body doseina calendaryear,AND5 mrem calendar year.ma D.3 mrem whole body doseina calendar year ,AND10mrem calendar year ma Correctanswer:A********************

Duringafinalre view priortoour leaving for Atlanta,itwas noticedthatboth parts of CandDdealwith whole bodydoseina calendar year.This madethemob viously implausible

.Therefore , the second was changed to"organ".This changewasnot checked againsttheSLC ,sonoone realized that"D"wasnowa correct answer.Thiserrorga veusthe questionthatwas administeredtothe applicants.

Subsequent review indicatedtherealtypowasthe"year"inthefirstp art ofCandD distracter.

The"year"inthefirstpart should ha ve been changed to"qua rt e r".This would have made D incorrect.Thisis shown in Attachment B.

r A TT ACHMENT BTheoriginalintent of the questionwastotestthe whole bodydoselimitsper quarter andperyear.Allfour distracters SHOULD have addressed quarterandyear,not just year.************************************************************Giventhefollowing:

Turbine BuildingSumptoRC Radiation Monitor , EMF-31 , is discoveredtohavean alarm setpointthatissetONE decade higherthanrequired.

WhichONE(1)of the following describes the impact of this condition?Thedoseordose commitment to members of the public mayexceedthe requirements oflOCFR50of....

A.1.5 mrem whole bodydoseinacalendarquarter

,AND3 mrem wholebodydosein a calendar year.B.3mrem whole bodydoseina calendarquarter,AND 5mremwhole bodydoseina calendar year.C.1.5mremwhole bodydoseina calendar J'\-"-afquarter,AND 5 mrem whole bodydoseina calendar year.D.3mrem whole bodydoseina calendar V*a fquarter,AND10 mrem whole bodydoseina calendar year Correctanswer:A*****************************************************************

---

,.-=.-:-:---:-"

A ttachm ent 4 S RO Question 87 Afterfurth er investigationwe proposethatQuestion87 bedeletedduetotwocorrect answers thatcontain conflicting information.The question uses th e term"earlytransitionout",thisis not a defined t erm in OMP 4-3 , U se o f Abnormal andEmergency Pro cedures.Thi s termcanha ve two different meaningstot he operators.1)Leavingtheprocedure priorto reading"RETURNT O pro cedure and stepin effect".Inthi s caseapplication of th e Not e pri or to step8a nd u se ofstep8 would meetthed efinition o f"early transiti on".2)Leaving th e proc edure pri or t oapr oc edural exitpoint.Step 8 could beseena s a structured exitpa th.Leaving theonlyoptiono f"early transition"f or use to applyahigher prioritystatustree.Oneinterpretationcanmeantheop erator usesthenot e prior tostep 8 which statesth at t he proc edure ma ybecom pleted asa yellow pathp rocedure ifafault ed S/G break occurs.Thestem ofthequestionstates a MainSteamBreak has o c curr ed.Theoperator can evaluateth at exiting th e procedur e using thi s not e isa n"earlytransition" ou t of the procedure since theremainder of the procedur e ha s n ot been completed.Thiswouldle ad theoperatortoselect c hoice A.Thiswas theoriginal correctan s wer forthi s question.Another interpretationcanmeanfortheoperatortot empora rily susp end the procedur e pr iortoa structuredtransition out oftheprocedure.Sincestep8 states to"Performthe remainder ofthisEPas timea ll ows" thi s c ould be considered a pro c edur al tr an sition out of FR-Z.l since FR-Z.1i s no w con sideredayellowpathprocedure.Ane xample islisted in OMP4-3sections 7.15.1.4 and 7.15.1.5 (pages17&18)ofa higher priority r ed or orangepath proc edure, theoperator is requir ed to immediately impl ement th e c orresponding EP.AnyrecoveryEPpreviouslyinp rogressshallbed i scontinued.Th e operatorh a s notcompletedthesteps i n FR-Z.l.Thi s ma y beevaluatedasa n"early transition"out of theprocedure.Thiswouldleadtheoperatorto selectchoice B as th e COITect a n swe r.Wit h t his interpretationo f"ea rl y transition" choice B wouldbecorrect.Basedontheoperator inte rpretationo f"early transition" thi sleadst o t wo correct answers that contain conflicting information.Based o n NUREG-1 021 ES-403 guidancethis questionshouldb e d eleted.

r..ES-401-A\f c chrn t",j-4 Sample Written Examination Question Workshee t2-Form ES-40 1-5 Exam i nation Outline Crossreference:

Leve l RO SRO Tier#2----Group#1 KIA#026A2.03--"---=-------=--------Importance Rating_4_._4_Ability t o (a)predictthei mpactsofth e follo wing ma lfunctionsoroperations o n the CSS;and(b)basedon those p rediction s ,useprocedure stoc o rrect, control , o r mitigate t h e consequences of thosemalfun c tion s or operations

Failure ofESF Proposed Question: SRO 87 Given the follow ing:*A Main Steam Break has occurred on Unit 1.*The Train" A" Load Sequencer is de-energized

.*"B"NS Pump did NOT automatica lly start.*The crew has transitionedtoE-2, Fau lted Steam Generator Isolation , when the follow ing conditions a re observed: o NC SYSTEM pressure 1400 ps ig a nd lowering.o Containment Pressure 13 psigandrising.

Which ONE(1)ofthe following describes (1)the proper Status Tree entry and (2)the criteria for exiting FR-Z.1?A.(1)(2)8.(1)(2)C.(1)(2)D.(1)(2)ORANGE CSF Status T ree Early transition outofFR-Z.1 is allowed aftertheNC Pumps and RV pumps are off and at least ONE NS Pump is running.ORANGE CSF Status Tree Early transition outofFR-Z.1 is allowed ONLYifa higher prior ity ORANGEorRED condition occurs.RED CSF Status Tree Early transit ion outofFR-Z.1isa llowed aftertheNC Pumps and RV pumps are offandat least ONE NS Pump is running.RED CSF Sta tus Tree Ear ly trans ition outofFR-Z.1 is allowed ONLYifah igher priority RED condition occurs.Page 230 o f 271 R ev Final

• ES-401 ASampleWrittenExamination Question Worksheet'-i pOJ G'3FormES-401-5ProposedAnswer:AExplanation(Optional):

A.Correct.Afterstep8, procedureistreatedasayellowpathforconditionssuchasasteamlinebreak.ThisisdeterminedbytheSRO B.Incorrect.SROshouldknowthatasteambreakisoccurringandnotewillapplythatproceduremaybetreatedasayellowpathafterinitialactionsare performed C.Incorrect.Redpathis15psig

,butactionsarecorrectD.Incorrect.Redpathis15psigandprocedureistreatedasayellowpathafterstep8FR-Z.1(Rev14)

Technical Reference(s)(Attachifnotpreviously

__________

provided)EP-FRZRev15OMP4-3p17 , 18ProposedreferencestobeprovidedtoapplicantsduringNone examination:LearningObjective:QuestionSource:QuestionHistory:QuestionCognitive Level:EP-FRZObj2

&4 Bank#ModifiedBank(Notechangesorattach

1. parent)New X----LastNRCExam

---

MemoryorFundamentalKnowledge ComprehensionorAnalysis X10CFRPart5555.41 Content:55.435---Comments:KAismatchedbecausea containmentsprayfailurehasoccurred.TheimpactistheresultonCSFstatus,andtheactionrequiredisalsotested

.SROlevel Page 231 of 271RevFinal i ES-401 A TtcdVnl'Sample Written Examination Question Worksheet l-t.pO J!YFormES-401-5becausetheSROmustselectthe appropriate strategy for procedure use, including a judgmentofwhenthe Containment Orange conditionmaybetreatedasayellow condition RFA Concurs 4/17/08 Page 232 of 271RevFinal 0Lf P q JCMNSRESPONSETOHIGH CONTAINMENT PRESSUREPAGENO.EP/1/A/5000/FR-Z.12of44 UNIT 1Rev.14 ACTI O N/EXPECT E D R ESPONSE C.Operator Actions RESPONSEN OT OBTA I NED1.IF loss of emergency coolant recirc has occurred, THEN this procedure may be completed as time allows.2.Monitor Foldout Page.3.StopallNC pumps.4.EnsureallRV pumpsarein manual and off.CAUTIONThe following breakers must be closed within 50 minutes of S//.5.Dispatch operator to remove white tags and close the following breakers:*1 EMXA-R2A(1ANOToA&BColdLegsContOuts ideIsolMotor(1NI-173A))(auxbldg,750 ,FF-54,FF-55)*1EMXB1-6B(1BNOToC&ONCColdLegContOutsideIsolMotor (1NI-178B))(auxbldg , 733 , GG-55 , GG-56).6.Check containment pressure-LESSTHAN15PSIG

.7.Check any NS pump-ON._GOTO Step 9._GOTO Step 9.The remainderofth isEPmaybecompletedwiththepriorityofayellowpathEP

.Complet ion o f th isEPsho uldbedelayedif fau lted S/Ghasoccurred

,orother hig her p riorityactionsarerequ ired.8.Perform the remainder of thisEPas time allows.

.

...'..,_, 7.14.2 OMP 4-3 Page 16 of35 Th e configurationcontrolcardsfilledout i n Step7.14.1shallb e handled p er th e f ollowing twosituations:

• Without Operations Support Center(OSC)activation Theconfiguration control card willb e handled b y OPS shiftperSOMP 02-01 (Safety Tagging and Configuration Control).*WithOSC activation WHE NtheOS C isactivated, OPSwillreport t otheOSCand shall bring w ith them a ll configuration controlcardsthathave beenfilledout.The card stakentotheOSCshallbegiventotheOPSSROin the OSc.Fo r h andlin g card sinth e OSC , referto RP/o/AJ5700/020 (Activation of th e Operations SupportCenter (OSC)).7.15 Usag e of Status Trees There a re six different trees,eac h oneevaluating a separate Critical SafetyFunction(CSF)oftheplant.Color-codingofthestatustree endpointswillbeeitherred,orange, yellow,or green,with greenrepresenting a" satisfied" safetystatus.Eachnon-green color representsanactionlevelthatshou ld be addressedaccordingt otheRuleso f Pri orityasdiscussed below.Thesix Statu s Treesa re a lways evaluated inth e sequence:*Subcriticality

• Core Cooling*HeatSink*Integrity*Containment*Inventory IF identical colorprioritiesa re found ondifferent trees durin g m onitoring, th e required actionpriority i s determined b y thissequence.Initial monitoringofthe statustreesshouldbegin on either ofth e followingconditions:

• As directed byanactionstepin E P/l ,2/AJ5000/E-0 (ReactorTrip o r Safety Injection).*WHEN a transferismade out of the Safety Inject ion procedure to anotherEP.Anexceptiontothisi s that CSFpro ceduresare NOT requiredtob e implement ed during theLoss of All AC PowerE P sincenon e of theelectricallypowered safeguards equipment canb e used.WHE N powerissubsequentlyr e stored , E P Il,2/A/5000/ECA-0.l o r0.2(Loss o f AllA C Power Recovery pro c edures)will direct the operator when implementing CSF pro c eduresis required.

7.15.1OMP4-3Page17 of35 ImplementingCSFPathProcedures 7.15.1.1 7.15.1.2 7.15.1.3 7.15.1.4CSFproceduresare NOTtobe implementedpriorto transition from EPIl,2/A/5000/E-O (ReactorTriporSafetyInjection).

IF aCSFpathisredororangewhilethe operatingcrewisin EP/1,2/A/5000/E-O,buthasturnedtogreenupontransitionfrom E-O,theCSFprocedurewhichwasinalarmshall NOT be implemented.

IFtheCSFpathisyellow,itshallbehandledasanyotheryellowpath procedure per Section 7.15.1.7.IF thereareanyvalidredororangepathCSF'son transition from E-O(unlesstransitionisto EPIl,2/A/5000/ECA-O (Loss ofAllACPower),theassociatedCSF procedureshallbeimplemented.

IFavalidredororangepathflickersintoalarmonSPDSbutreturnstogreenpriortothecrew validatingtheconditionand implementing the procedure (implementation of procedure beingthattheSROeitherhandsoutfold-outpagesorstartsreadingfromtheprocedure),theCSF procedure shall NOT be implemented.

IFtheCSFpathisyellow,itshallbehandledasanyotheryellowpath procedureperSection7.15.1.7.Likewise,ifavalidredpathororangepathgoesintoalarmduring performance ofahigher priority CSF procedure,butreturnstogreenpriortotransitionfromthehigher priorityCSFpathproceduretothelowerpriorityCSF procedure,theassociatedCSFprocedureshall NOT be implemented.

IFaCSF proceduredirectsthe operatortoreturntotheprocedureandstepineffect, AND the correspondingstatustreecontinuestodisplaytheoffnormalconditions,the corresponding CSFproceduredoes NOThavetobe implementedagain,sinceallrecoveryactionshavebeencompleted.However,ifthesamestatustree subsequentlychangestoavalidhigherpriority condition, ORifitchangestolower conditionandreturnstohigherpriorityconditionagain,the corresponding CSFprocedureshallbe implemented as requiredbyitspriority.RedPath IFanyvalidredpathis encountered during monitoring, the operatorisrequiredto immediately implement the correspondingEP.AnyrecoveryEP previously in progressshallbe discontinued.

IFduringthe performance ofanyredpathprocedure,avalidredcondition of higher priorityarises,thehigherpriorityconditionshouldbe addressedfirst,andthelowerpriorityredpath procedure suspended.

7.15.1.5 7.15.1.6 OMP 4-3 Page 18 of35 Orange P ath IF anyvalid orange path is encountered

, the o perator i s exp ect ed to scanall ofther emaining trees, and then , if no valid red is encountered, promptl y implement th e corre spond ing EP.IF during th e p erf ormance of an orang e path pro cedure , anyvalid red condition o r higher priorityvalid orangeconditionarises, th eredorhi gher pri orit y orang e conditi on i stobe addres sed fir st ,andtheoriginal orange path proc edure suspended.Completion of R ed or Orange Path P rocedure Once procedure i s entered duetoared o r orange condition, that procedureshouldbe performed to completion

, unless preempted by some high er priority condition.It i s exp ected that the action sinthepr o cedur e will cleartheredor orange condition before all the operatora ction s are complete.Howe ver , these procedures should b e perf ormedtothe point ofth e defined transition t o a specificproc edur eort o the"proc edure and stepin effect" to ensurethecondition remain s clear.Atthi s point an y lower priority redo r orange pathscurrentlyindicatingorpre viously startedbut NOT compl eted shallbe add resse d.FR-S.I , P.I and2.1 canbe enter ed fromeither a n orangeorred path status.IF th e c olor changesfromo ra ngetored while yo uarein o ne oftheseE Ps, the crew should continue and compl etetheEPfromwhere theyare.Crew does NOT have to backup and restart theEP.IF the orange path i s exited,andit subsequentl y turns red,theEP must be re-enteredatSt ep 1.Upon continuation of recovery action sinOp timal Recovery procedure,some judgment may be requir edbythe operator to avoid inadvert ent reinstatement ofaRed o r Orange condition by undoing so me critic al stepinthe Functi on Reco very procedure.

The Op timal Recovery procedure s are optim al a s sumin g that safetyequipmentisavailable.The appearance ofaRedor Orangeconditioninmo st cases implies thatsome equipment o r functi on r equir ed for safetyi s NOT available ,andb y implic ation some adjustmentma y be requiredinth e Optimal Reco ver y p roc edur e.

7.15.1.7OMP4-3Page19 of35YellowPathAyellowpathdoes NOT require immediate operator attention.

Frequently,itis indicative of an off-normal and/or temporary conditionwhichwillbe restored to normalstatusbyactions alreadyinprogress.Inothercases,theyellowstatusmightprovideanearly indication of a developingredororangecondition.The operator is allowedtodecide whether or NOT to implementanyyellowpath procedure.

Implementation ofayellowpath function restoration guideline isbasedon operator judgmentwhenitis determined that adequatetimeexiststo implementit.In otherwords,the operator does NOThaveto implementayellowpath guideline if a judgmenthasbeenmadethatitis inappropriate based on availabletimeor currentplantstate;and if an event of higher priorityisin progress, the operator should attendtothemore importantmatterspriorto implementingayellowpath function restorationguideline.Inthe prioritization schemeintheEPs,the Optimal Recovery procedures (including applicable foldoutpages)have priorityovertheyellowpath function restoration procedures.Theyellowpath procedurecanbe consideredasa supplementary set ofactionsthatwere provided to address one parameter beinginan off-normalstate.The controlling guideline in effectisthe Optimal Recovery procedurethatthe operatorisinwhenhedecidesthathehas enoughtimeto performtheyellowpath procedure actions.While performing the actions of the yellow path, continuousactionsor foldout page items of the optimal recovery procedure in effectarestill applicable and should be monitoredbythe operator.This concurrent procedure usage should NOTcausethe operator any difficultiessinceyellowpath proceduresareonly performed when adequatetimeexists.

For example,ifthe operatorisin ES-l.l (Safety Injection Termination)anddecidesto implement FR-H.5 because of lowSOlevelandNC subcoolingislost while in FR-H.5, the operator should terminateFR-H.5and implement the action of the ES-1.lfoldoutpageto re-initiateSfIflow.

\0 7.15.1.8 7.15.1.9OMP4-3 Page2 0 o f3 5 SPD S Normally, t he condition of the status treesiscontinuously monitoredanddisplayed b ytheOAC.TheOA C canbeu sed t o checkan y off-normalalarmandtod et ermine whichEPto implement.Th e entireControlRoomcrewi s r e sponsible f or monitoring th e SPDS.SPDS indicationmu st be validatedusing r eliablecontrolboard indicators pri ortoimp lementing CSF proc edure.HowLon g t o Mon itor Status Tree s Monitoring of statustreesmaybe stoppedwhenany of the following arem et:*Cold shutdownandTSC concurrenc e OR*Transition t onormalrecovery proc edure(O P)OR*TransitiontoaSevere AccidentMitigation Guidelin e (SAMG)7.15.1.10C SF proceduresshould NOT beentereduntilth e entry condition i s met, except und er conditions of 50.54x (referenceSection 9).

PO..)C 1/aMP 4-3 Pag e 21 of35 7.16 SelectedD efinitions Some wordsusedintheemerge ncy pr oc edures have uniquemeanings.These un ique m eaningsshouldb e underst ood based up on tr ainingand experience or b y thespecific use of t he word i n the conte xt of thestepbeing perfo rmed.Somewords with unique meaningsarelisted below: Check E n s ur e Faulted Ruptur ed Implem ent IntactGOTO REFERTO.P ER Stable Evaluate 7.17 Tolerances t o d et ermin e pre sent status.(no action)t o take necessary actions to guarantee thatthecomponent o r r e adingisasspecified.(Local actionsin E Ps andAPsa re only req uired ifstep specifiestodi spatch per sonne l th ough).ref er stoa steam g e neratortha t ha s a secondarybr eak.refers toasteam generatorth at has a primar y t o secondaryleak (SGT R).beginarequired pro gram or series of pr ocedures.r efers t o a steam g e neratorthati s NOT faulted o r ruptur edandi s available a s a heatsink.di sc ontinu e useofpres ent pro c edur e and stayinthereferenced proc edure.The ref er enced p ro cedur e isalways entered atthe firststepunless oth erwise specified.user i s directedtoa supplemental pro c edur e/encl o sure foractions butwillremaininthec ontr o lling pro c edure.Maintained steady.IF a parameterisbeing controlled withina desired range, or if a slighttr end in eith er direc t i onisoc curring, operator jud gment maybeu sedtode t erm ine if p aramet er i s considered stable.Appraisethesituation.Includes t akingactionbased on evaluation.Rangesortolerances ar e p ro vided ifiti s imp ortant t o maintain a parameter within a givenband.WHE Narangeortolerance(e.g., 5-15%)is pro vided ,iti s understood to mean extraattention shouldb e paidto maint ain th e parameterwithinthis range.WHENasingle valueis given,itisassumedthe valueisanid eal value.WHEN a n id eal value (e.g.,atno load o r 350 psig)ispr o vided , it is under stoodtom ean att ention shouldb e p aid t o m aintain th e parameteratth e idealvaluebut NOT beove rly concemed if th e exac t value i s NOT achieved.

ExaminationOutline reference: Level RO SRO Tier#2----Group#1KiA#026A2.03----------Importance Rating 4.4----Rev.1 to the package Ab ility to (a)p r edic t t h e im pact s o f t h e f ollow ing m al fu n cti onsoroperati o ns o n th e C SS: and(b)basedo n t hose predictions,usepro cedurestocorrect control, or mitigate theconsequences o f those m al functionsoroperations: F ailu re of E S FProposedQuestion:Giventhefollowing:

SR087*AMainSteamBreakhasoccurredonUnit1

.*TheTrain"A"Load Sequencer is de-energized.

• " B"NSPumpdidNOT automatically start.*Thecrewhas transitionedtoE-2 ,FaultedSteam Generator Isolation ,whenthefollowing conditionsareobserved

oNC SYSTEMpressure1400psigandlowering

.o ContainmentPressure13ps igandrising.WhichONE(1)ofthefollowing describes(1)the properStatusTreeentryand(2)thecriteriaforexitingFR-Z.1?

A.(1)(2)B.(1)(2)C.(1)(2)D.(1)(2)ORANGECSFStatusTree Early transitionoutofFR-Z.1isallowed aftertheNCPumpsandRVpumpsare offandatleastONENSPumpisrunning.

ORANGECSFStatusTree Early transitionoutofFR-Z.1isallowedONLYifa higher priority ORANGEorREDconditionoccurs.REDCSFStatusTree Early transitionoutofFR-Z.1isallowed aftertheNCPumpsandRVpumpsare offandatleastONENSPumpisrunning.REDCSFStatusTree

Early transitionoutofFR-Z.1isallowedONLYifa higher priorityREDconditionoccurs

.

..-ProposedAnswer:A Explanation (Optional)

A.Correct.Afterstep8,procedureistreatedasayellowpathforconditionssuchasasteamlinebreak.ThisisdeterminedbytheSROB.Incorrect.SROshouldknowthatasteambreakisoccurringandno te willapplythatproceduremaybetreatedasayellowpathafterinitialac tions are performed C.Incorrect.Redpathis15ps ig,butactionsarecorrect D.Incorrect.Redpathis15psigandprocedureistreatedasayellowpathafterstep8FR-Z.1(Rev14)

TechnicalReference(s)(Attachifnotpreviously

__________provided)EP-FRZRev15OMP4-3p17 , 18ProposedreferencestobeprovidedtoapplicantsduringNone examination:LearningObjective:QuestionSource:QuestionHistory:QuestionCognitive Level:EP-FRZObj2&4 Bank#ModifiedBank(Notechangesorattach

1. parent)New X----LastNRCExam

---

MemoryorFundamentalKnowledge ComprehensionorAnalysis X10CFRPart5555.41 Content:55.435---Comments:KAismatchedbecausea containmentsprayfailurehasoccurred

.TheimpactistheresultonCSFstatus,andtheactionrequiredisalsotested.SROlevelbecausetheSROmustselectthe appropriatestrategyforprocedureuse

,includinga judgmentofwhenthe ContainmentOrangeconditionmaybetreated

l::.asayellowcondition RFA Concurs 4/17/08

""--..".-:-_',":,..".-,-,....Attachment 4SROQuestion87Afterfurther investigationweproposethat Question87bedeletedduetotwocorrectanswersthatcontain conflicting information

.Thequestionusestheterm "early transition out" ,thisisnotadefinedterminOMP4-3, Use of Abnormal and EmergencyProcedures.Thistermcanhavetwodifferentmeaningstotheoperators.1)Leavingthe procedurepriortoreading "RETURNTOprocedureandstepineffect".Inthiscaseapplication oftheNotepriortostep8anduse ofstep8wouldmeetthe definition of"early transition".2)Leavingthe procedure priortoa proceduralexitpoint.Step8couldbeseenasastructuredexitpath.Leavingtheonlyoption of"earlytransition "forusetoappl yahigher prioritystatustree.

One interpretationcanmeanthe operatorusesthenotepriortostep8whichstatesthat the proceduremaybe completedasayellowpath procedure ifafaultedS/Obreakoccurs.Thestem of the questionstatesaMainSteamBreakhasoccurred.The operator can e valuatethatexitingthe procedureusingthisnoteisan "early transition" out of the proceduresincethe remainder of the procedurehasnotbeencompleted.Thiswouldlead the operatortoselectchoiceA.Thiswastheoriginalcorrectanswerforthisquestion

.Another interpretationcanmeanforthe operator to temporarilysuspendthe procedurepriortoa structured transition out oftheprocedure.Sincestep8statesto "Performthe remainder ofthisEPastime allows"thiscouldbeconsideredaproceduraltransition out of FR-Z.1 since FR-Z.lisnowconsideredayellowpathprocedure.Anexampleisli stedinOMP4-3sections7.15.1.4and7

.15.1.5(pages17&18) ofahigher priorityredororangepath procedure,theoperat orisrequiredto immediately implement the correspondingEP.Any recovery EP previouslyinprogressshallbe discontinued

.TheoperatorhasnotcompletedthestepsinFR-Z.1.Thismaybeevaluatedasan "early transition

" out of the procedure.ThiswouldleadtheoperatortoselectchoiceBasthecorrectanswer.Withthis interpretation of"early transition" cho iceBwouldbecorrect.Basedonthe operator interpretation of"earlytransition"thisleadstotwocorrectanswersthatcontain conflictinginformation.BasedonNUREO-1021ES-403guidancethis questionshouldbedeleted

.

The Post-exam Item Analysis indicatedthat3of9 applicants missed this question.*All3chose"B"-This iscon sistentwiththeconfu sion ofwhatisconsideredan"early" transitionintheFRP.Oneappl icant askedforclari ficationonthisquestionwhiletakingtheex am.H e asked"Isthisquestionasking justfortheseto f circumstance sasstatedoranytime "Hewa s told to just con siderthequestionasstated.Thisapplicantwentonthemisstheque stion pi cking distracter"B".Iconsiderthis occurrencetobeconsi stentwiththelack of clarity asdescribedabove.Howdidthis question get through Validation?Question87wasre visedtoitscurrentstateafterthefinal validationpriortofirstsubmittal.Earl ier validations for thequestionwerenotgoingwelland wecontinuedtorefineitupthroughthisdate

.Inthefinal validationbothoperatorspickeddistracter "B"whichpromptedmetoraise theissueduringourreviewinAtlanta

.Thisresultedinachangein Distracter"B"toaddtheword "ONLY"inanattempttoaddresstheclarit y issue.Atthetime ,allfeltthisshouldbesufficient.Thequestionwasrev alidatedpriortoourfinalsubmittalwith4operatorswith2 ofthemstill picking distracter "B".Atthispointwewere24hoursawayfromourdeadlineforthefinalsubmittalandthisissuewasnotraisedagainduetotheoverallscoresbeing acceptableandourlack oftimetoaddress e veryissuethatcameup

.