ML18026A325

Forwards Util Responses Re Performance of Human Factors Review.Annunciators,Controls & Displays Described

ML18026A325
Person / Time
Site:	Susquehanna
Issue date:	02/27/1981
From:	CURTIS N W PENNSYLVANIA POWER & LIGHT CO.
To:	YOUNGBLOOD B J Office of Nuclear Reactor Regulation
References
PLA-648, NUDOCS 8103030768
Download: ML18026A325 (43)

Text

REGUIATORYFORMATION'ISTRIBUTIONSEM(RIDS)ACCESSIONNBR:8103030768DOC',DATE:81/02/27NOTARIZEDNOFACIL'150387SUsquehannaSteamElectr)cStationsUnit'"1rPennsylva50'88Susqueh'annaSteamElectricStationiUnit2EPennsylvaAUTH'8NAMEAUTHORAFFILIATIONCURTISiN~H8PennsylvaniaPowerIILight'o+RECIP;NAMEIRECIPIENTAFFILLATIONYOUNGBLOODgB~J,-IicensingBranch2'UBJECT!"Forwardsuti1sresponsesre',performanceIofhumanfactorsreview.DISTRISUTIORCODE':8001SCOPIESRECEIVED>>LTRENCL(QSIZE>>:'ITLE:sPSAR'/FSARAMDTSandRelatedCorrespondence.'OTES:SendILE3copiesFSARLallamends'endISE"3copiesFSAR8allamends'~'OCKET'05000387050003880500038705000388RECIPIENTIDCODE/NAME)ACTION:A/DLICENSNGRUSHBROOKgM,"'NTERNA'I.:ACCIDEVAL>BR26"CHEMENGBR08CORE'ERFBR10.EMERGPREP22'.GEOSCIENCES14HYD/GEOBR15'LES06>>L'IC-QUAL:BRMECHENGBR18NRCiPDR02',OPLICBRPROC/TSTREV20..SESSBR22!GFII>>01.7',NGBR25>>COPIESLTTRENCL10101111iQ112,'2'>31111111f.1111111RECIPIENTIDCODE/NAME"YOUNGBLOODgBSTARKER'804AUXSYS'R07CONTSYSBR09EFFTRSYSBR12"EQUIPQUAL'R13HUMFACTENGBR'aCSYSBR.16LICQUIDBR"MATLiENGBR17MPAOELDPOI>>IERSYS-BR19QABR.21REAC>>'SYSBR23-SIT>>ANAL<BR24SYS"INTERAC>>BRCOPIESLTTRENCL'0,11111111>>3311f<<f<<111010.1.1111111<<11EXTERNAL'CRSNSIC2705>>161611LPDR'3<<MAR04~o'OTAL"NUMBER'FCOPIESREQUIRED'"L'TTR57ENCL-'51" i-I'r~0'1mOIIl'IH/\Cil TWONORTHNINTHSTREET,ALLENTOWN,PA.18101PHONEr(215)770-5151NORMANW.CURTISVicePresident-Engineering8Construction-Nucleer770-5381February27,1981triltR0219815Mr.B.J.Youngblood,ChiefLicensingBranchNo.1U.S.NuclearRegulatoryCommissionWashington,D.C.20555U.S.NJCLTARRIOUIATORTCO5Ltt155IONSUSQUEHANNASESHUMANFACTORSREVIEWER160450FILE841-2PLA-648

DearMr.Youngblood:

AttachedarePP&L'sresponsestothefindingsandconcernsresultingfromtheHumanFactorsReviewperformedbyNRC.Ifyourequireadditionalinformation,pleasecall.Verytrulyyours,N.W.CurtisVicePresident-Engineering6Construction-NuclearWEB/mksAttachment/coI5//Sloop><7@gtPENNSYLVANIAPOWER8,LIGHTCOMPANY llrE~~I' SECTION1ANNUNCIATORS1a.Theannunciatorsystemdoesnotalerttheoperatorthat,analarmedparameterhasclearedandreturnedtonormal.Theoperatorwouldnot"bekepttotallyinformedofsystemconditions.(Category1)IoTheannunciatorsystemwillbemodififedtoprovide"REVERT"capability.Initsfinalformtheannunciatorsystemwillfunctionasfollows:(1)(2)(3)(4)(5)(6)alarmwhenconditionoccursalarmwithflashinglightandwarblingaudiooperatorsilencesaudio,lightremains-flashingoperatorresetsalarm,lightbecomesconstantalarmconditionclears,lightbeginstoflashatslowrateoperatorresetsalarm,lightgoesoff.oThis:modificationwillbecompletedpriortofuelload.lb.Theaudiblealarmdoesnotdirecttheoperatortothealarmingpanelbecausethesystemhasonecommonaudiblealarm.(Category2)oSeveralannunciatorhornswillbespreadthroughouttheinner"ringpanels.Eachwillbeinitiatedbythosealarmsassociatedwithinthepaneltodrawtheoperator'sattentiontothatannunciator.oThismodificationwillbecompletedpriortofuelload.1c.ExceptforPanelNo.05A(AR3)therearenocoordinatesontheannunciatorpanels.(Category2)oApplyalpha-numericcoordinatestoalarmpanelstocoincidewithalarmresponseprocedurenomenclature.oThismodificationwillbecompletedpriortofuelload.ld.Thearearadiationannunciatorsarelocatedthroughoutthecontrolroom.(Category3)Therearetwotypesofradiationmonitorin'galarmannunciatorsfoundintheSusquehannacontrolroom.Theyareareaandprocessradiationmonitoringsystemannunciators.Theareaannunciatorsarebrokendowninto"unit"and"common"andcanbefoundon1C651andOC653respectively.ThepositionofthealarmswaspredicatedinattractingtheUnit,1operatorto"unit"alarmsandbothunitoperatorsto"common"alarms.Thesystemisdesignedtoprovidetheoperatorwithawarningandindicationonlyofradiationlevelsat,selectedlocationswithinvariouspaintbuildings.

0I Theprocessradiationmonitoringsystemconsistsofnineindependentsubsystems.Thevariousannunciatorsfortheninesubsystemsarelocatedonthepanels1C651,1C668,1C601andOC653.Thissystemisdistinctlydifferentfromthearea.radiationmonitoringsysteminthatthemonitorsprocessfluidsforradiationlevelsandprovidesnotonlyindicationbutcaninitiateactiontocontaintheradioactivereleaseintheeventthat,predetermined.releaseratesareexceeded.Thealarmsarespreadthroughouttheinnerringalarmpanelstocoincidetotheextentpracticablewiththesystemswhichtheyaremonitoring.AdiscussionoftheprocessandarearadiationmonitoringsystemsandthepositionofthealarmsinthecontrolroomispresentedtolicensedoperatorsintheSusquehannaSystemTechnologycourse.oThereis-noneedtomovethearearadiationannunciators.Thesystemisbeingenhancedbygeneratingacomputerdisplay(s)toshowarearadiationlevelreadings,reducingtheabsoluteneedtogotothebackpanelforlevelreadings.le.oThedisplaywillbeaddressedaspartoftheNR700longtermreview.Theaudiblealarmsoundintensitylevelwaslow(about1dbAaboveambient).Averagemeasuredambientsoundlevelwas61dbA.(Category1)oInitemlb,PPSLagreedtoprovideadditionalannunciatorhorns.Whenimplementingitemlb,carefulattentionwillbepaidtosoundintensitylevel.oThemodificationwillbecompletepriortofuelload.1f.Thecomputeraudiblealarm(chime)intensitylevelwasnearlyequaltotheintensityoftheambients'oundlevel.(Cateogory1)oPPScLwillobtainanewchimewithadequateintensity.oThemodificationwillbecompletepriortofuelload.lg.,Theunfinishedcontrolroomfloorcouldhavecontributedtoerroneoussound'levelreadings,therefore,thesoundlevelsshouldbereviewedwhenthecontrolroomconstructionis-completed.(Category1)Acontrolroomsurveywillbetakennearthetimeoffuelloading.Sincethisisatwounitcontrolroom,afinal.surveycannotbedoneuntilbothunitsarecompleted.Essentially,longtermitem,butasurveywillbetakenwithinafewweeksoffuelloadtoassurethattheinterimconfi'gurationdoesnotresultinanunacceptablenoiselevel.2 I

SECTION2CONTROLS2a.Items(1)and(2)controlusedfor"open/close"functionsare-notconsistentonpositionindications.Somecontrolshave"open"ontheleftand"close"onthe~riht;othersarereversed.(Category1)ThecontrolconventionforSSESisestablishedbycontrolmovement,notbyclose/openlabelposition.Thisinagreement,withNUREG/CR-1580whichstatestheONfunctionshouldhaveacontrolactiontotherightandOFFfunctionshouldhavecontrolactiontotheleft.Forotherplants,theterminologyCLOSE/TRIPhasbeenapplied.ThereisnoinherentadvantagetochangingthewordOPENtoTRIP~AllPPSLplantsareconsistentintheuseofCLOSE/OPENterminologyforbothbreakerandvalves.Itshouldbenotedthatanyreversingofcontrolmovementwouldcreateaninconsistentindicatorlampconvention.Currently,indicatorlamps(yellow/red)haveaconsistentleft/rightorientationforcontrols.Noactionrequired.2.a.3HXLevelControlR604B(BailyController)has"open"ontheright;whileotherBailyControllershave"open"onthe"left".Thesamedeficiencyappliestoothercontrolswithsimilarfunctions,e.g.,START-STOP,PAST-SLOW,AUTO-MANUAL.Thereappearstobeonlyonegroupofincorrectcontrollers.(OPEN/CLOSEconvention)Areviewoftheboardwillbemadeandallcontrollersconvertedtotheproperleft/rightconventionStart-Stop,Fast/Slow,Auto-manualhavebeenreviewedandfoundtobeconsistent.oThismodificationwillbecompletepriortofuelload.2b.Manycontrolslackpositionmarkings.(Category1)oAreviewofallboardswillbemadeandallapplicablecontrolswillhavepositionmarkings.oThismodificationwillbecompletedpriortofuelload.2c.TheBaileyTypeControlsarenotclearlydirect-actingorreverseacting,e.g.,100%%dopenversus100d%%dclosed.(Category1)oAllapplicablecontrollerswillhaveconsistentdemandindication.Itwillbecometheplantconventionthat100%%dwillbefullopendemandonvalves,dampers,etc.andO%%dwillbefull"3-Il,IJI closeddemand.Anycontrollersnotnowconformingwillbechanged.oThemodificationwillbecompletepriortofuelload.2d.Manycontrolslackfunctionidentification:(Category2)oAreviewoftheboardswillbemadetofindcontrolswhicharelackingfunctionallabeling.(ThiswasdoneinGP/PPMreport)andallapplicablecontrolswillhaveappropriatelabeling.oThemodificationwillbecompletepriortofuelload.2e.OnPanel1C651(Recirculation,.Rxwater)severalrotarycontrolswitcheshavethecontrolopenpositionlabeled"A/Open".Asfarascouldbedetermined,thepositionissimply"open".(Category3)oTheoperationofthesecontrolswillbereviewedandthelabelswillberevised,toproperlyshowthecontrol.function.oTobeincludedaspartofNR700longtermreview.2f.OneJ-handlecontrolswitchlocationandtypemakesitsubjecttoaccidentalactivation(Panel1C651)GeneratorandTransformer,Gen.Syn.Bkr.230kV).(Category1)oPALwillprovideameanstopreventaccidentalactivationofGenandTransfSynBkr.oThismodificationwillbecompletepriortofuelload.2g.Thereisanexcessivenumberofkeyoperatedrotarycontrolswitches.Manyoftheseswitcheshavenokeyinserted,andkeyswhichareavailablearenotcodedtotheswitchwhichtheywillfit(Panel1C601,ECCSBenchboard).Alsotherearetwokeyoperatedswitchesonanauxiliarypanelwithnokeys(OC673,OffGasRecombiner-Absorber;crossconnect).(Category1)Wedonotfeelthereisanexcessivenumberofkeylockswitches.Theiruseisbasedondesignpracticestoprovideforadeliberateactiononthepartoftheoperatortochangethepositionoftheassociatedcontrol.Keysforcontrolswitcheswillnotnormallybelocatedintheswitch.Onesetofkeyswillbemaintaine'dinthecontrolroomandanotherintheShiftSupervisor'soffice.Thecontrolroomkeyswillbelocatedinabox.locatedwithintheinnerringofpanels(possiblymountedontheUnitMonitoring I

Console)foreasybutcontrolledaccessbycontrolroomoperators.Bothsetsofkeyswillbegovernedbyakeycontrolprocedure.Thisprocedurewilllimitwhohasaccesstothekeysandcallforpeiiodicaccountingforthekeys.Keysandswitcheswillbecodedtoprovideeasyidentificationbetweenkeysandswitches.Thekeyswitchcombinationswillbegroupedinalogicalsystemizedbasis('i.e.ifyouhave4keylockswitchesonapanel,theywillallusethesamekey-lockcombination.oThiswillbeaccomplishedpriortofuelload.2h.SomefunctionalgroupsofcontrolswhichhaveseparatepanelsforDivisiongland,Divisionjj2,orchannelAandB,havethepairedgroupsas"mirrorimage"layouts.Howeverthisisnotconsistentforallpairedgroups'Category2)Example:1C601,RHRDivisionIandRHRDivison1I.oThereisnoconclusivedataonthistopicintheavailablehumanengineeringliterature.Aresearcheffortdirectedtowardtheresolutionofthemirror-imagingquestionwillbeconductedduringthelong-termreviewperiod.ItshouldbenotedthatRHRDivisionIincludesmoreswitchesthanRHRDivisionIIandthustheyarenotfullmirrorimages.Mimicswillbecleaneduptoshowflowpathsmoreclearlybeforefuelload(see61inNRCReport).Resolutionofitem61shouldeliminateconfusioninthisarea.oResearchonthissubjectwillbedoneaspartofourNR700longterm.review.2i.Indicationlightsassociatedwithcontrolswitches(mostbenchhoard)cannot,betested.Lampsaresinglefilamentandlampfailure,cannotbe'determinedeasily.(Category2)oInthepresentcontrolroom,thelightingconfigurationcanbebrokendownasfollows:*1368annunciatorsforUnit1andcommon.Theyarealltestable.="430SpecialIndicatorLightsegmentsonpanels.Thesespecialpanelsegmentsinclude.TurbineTest(1C668)TestablePullCoreDisplay(1C651)TestableTurbineControl(1C651)TestableBypassValueControl(1C651)TestableRodSelection6ActionControl(1C651)NotTestable iI+s~

StatusSRM/IRM(1C651)NotTestableRCICStatusDisplay(1C601SEC17B)TestableCoreSprayStatusDisplay(1C601Sec18B)TestableRHRStatusDisplay(1C601SEC18B)TestableADSSt'atusDisplay(1C601SEC19B)TestableCoreSprayStatusDisplay(1C60121B)TestableRHRStatusDisplay(1C601Sec21B)TestableHPCIStatusDisplay(1C601SEC22B)TestableThisr'epresents298testableoutof430<<719.lightsorlightpairsonthebenchboardsectionoftheinnerringpanels.Thesearenottestable.125oftheselight/lightpairsrequireperiodictestingaspartofthepumparidvalvetestprogram.Thisincludesthemajorsafetyrelatedpumpsandcriticalvalvesrelatedtothesesystems.26oftheselight/lightpairson1C668areonkeylockedswitcheswhichmustbedeliveratedactuatedorpairedpumpswhichareroutinelyalternated(i.e.turbineEHCpumps)..28oftheselight/lightpairs'n1C601areonkeylockedswitcheswhichmustbedeliberatedactuatedtochangelampstate.41of'theselightpairson1C653arebreakerpositionlightswhichcanbeeasilyverifiedonCRTon'hepanel.Basedonthesefiguresthereare2517lamporlamppairsinthecontrolroom..1666aretestablewithanother220toberoutinelytested.Thismeans75/arecoveredbylamptestortesting.SSESuseslonglifebulbs(7000hr.AC,3500hr.forDCbasedonlaboratorytests,thetheoreticallifeis20,000hr.AC,10,000hrDC)whichshouldhelpassurethattheoperatorwillhaveallindicatorlightsavailabletohim.Eachoperating.shiftwillwalkdownallinnerringpanelstoassurethateveryindicatorpairshowsat'eastonelight.Replacementbulbs,whichhavebeenburnedintoreduceinfantmortality,willbeprovidedtotheoperator.Additionally,aspartofitslongtermreview,PALwilllookintoalternativesolutions(likepushtotest,sockets)fortheremainingnon-testablelampsandwillimplementthemostpracticalsolution.

I'lHil'N oPriortofuelloadprocuedureswillbeinplaceto(1)assureoperatorsreviewlampindicatorsoncepershiftand(2)assureproperoperationofindicatinglampsduringpumpandvalvetesting.Pretestedreplacementbulbswillbeavailabletotheoperator.Amorepermanentsolution(i.e.lamptestfacilities)willbepursuedaspartofthelongtermreview.2j.Thereisnocodingtoreadilydistinguishbetweencontrolsforpumps,valves,andthrottlingvalves.(Category2)oToenable,theoperatortodistinguishcontrolsmorereadilyauniquecodingwillbeusedfor;(1)Throttlingvalvesswitches(2)Othervalveswitches(3)MotorswitchesoThismodificationwillbecompletedpriortofuelload.2k.Severalspringloadedrotarycontrolswitcheswhichmustbeheldintheactuatingpositionarefatiguingtotheoperators.(Category1)Example:1C601,RCCBenchboard,TestlineCTIVLVF024BoLargerintegralhandlesforspringloadedrotarycontrolswitcheswillbeprovided.oThis.modificationwill,bedonepriortofuelload.hSECTION3CONTROLRELATIONSHIPS3a.Somesystemcontrolsaremirror-image.(Category2)IExamples:(1)Division1and2safetyreliefvalveswitches(Panel19C)TheSRVsarearrangedin3columns(vertical)onthecontrolboard.Theyareidentifiedbysequ'entiallettersAthruR(NoI,O,Q).Thereisnomirrorimagingpresent.ADSpushbuttonsresemblemirror-imagebutareoperatedbyboth.handssimultaneously.(Seeitem3b)oNoactionrequired.(2)VerticalmetersforUni;t1andUnit2(Panel93B).(Mirror-imagedverticalmeters)

The,metersonPanel93Barenotmirror-imaged.DocumentationwasprovidedtoshowthisattheFeb.3,1981meetingbetweenPPSLandNRC.(SeeJ-800,Sht.5,Rev.0)I'Noactionrequired.3b.Somerelations'hipsarenotdirect.(Category3)Examples:AutomaticDepressurizationSystem(ADS)pushbuttonsA,B,C,DdonotcorrespondtotheSRVsbelow(Panel19C).Thereisnodirectrelationshipb'etweentheA,B,C,DpushbuttonsandSRVA,B,C,D.ActuationofADSresultsinoperationofsixSRVs(G,J,K,L)M,N).oColorpaddingwillbeprovidedinthissectiontoremoveanyconfusionconcerningADS(seeFigure2PAL/GPReport).oThisitemwillbeaddressedaspartofNR700longtermreview.3c.TheSRVswitchesonPanel19Carenot,functionallygrouped.(Category3)oSincesixoftheSRVsareusedforADS,colorpaddingwillbeusedtodelineatethesevalves(seeFigure2inPPM/GPpreliminaryreport).oTobeaddressedaspartofNR700longtermreview.3d.Thereisinsufficientdemarcation.(Category3)oThecontrolpanelswillbereviewedforadditionaldemarcationneedsanditwillbeaddedwherenecessary.oTobeaddressedaspartofNR700longtermreview.SECTION4GENERALDISPLAYS4a.Therearelongstrings(5to10)ofscaleindicatorswithnodemarca-tionorgrouplabeling.(Category1)oVisualdemarcationorgloballabelingwillbeprovidedasapplicable.oThismodificationwillbecompletedpriortofuelload.4b.Severalmetershavescaleswithnon-standardincrements,orwithnounitsindication(e.g.,amps,volts,...)(Category1) oFortheexamplescitedmissingscaleswillbeprovided;non-standardscaleswillbereplacedwhereapplicable.oThemodificationwillbecompletedpriortofuelload.4c.AdjacentmetersforchannelA6Bdonothavethesamescale(PanelOC653PlantOperatin'gBenchBoard,MeteorologicalandWaterContainmentServices).(Category1)oThe,samescalesforappropriatemeterswillbeprovided.oThismodificationwillbecompletedpriortofuelload.4d.SeveralsetsofindicatorlightsnotassociatedwithcontrolsarelocatedonpanelOC673,OffGasRecombiner-Adsorber.Theconventiononallotherboardsofthecontrolroomistousethistypeofindicatorforcontxolposition(orforcontrolandrelatedvalve/breakerposition).(Category2)oAreviewoftheoperationofthispanelrevealedthatbasedonourdesignconventiononesetisbeingproperlyused,buttheothershouldbewhitelightsinsteadofred.oThemodificationwillbecompletedpriortofuelload.4e.TheHXLevelDemandSignal(RX604-Bl)displayreadsoutactualvaluesratherthandemandvalues(Panel1C601,ReactorCoreCoolingBenchboard).(Category1)Thecontrollersshouldreadoutpercentdemandsignalontheirintegraldisplay(horizontalmeter)forimmediatefeedbacktotheoperator.Asforactualvaluesoftheprocessparameterbeingcontrolled,thereisanassociateddisplayoneachcontroller.Thesedisplaysprovideareadingofparameterbeingmeasured(i.e.temperaturefortemperaturecontrol,biasformastercontroller).Foreverycontroller,theoperatorcanbindtheappropriateparameterdisplayedclosetoeachcontroller.oNoactionrequired.4f.TheDCSconfigurationmimicontheStandbyInformationPanel(1C652)isaveryusefultoolfordeterminingDCSstatus.Thisusefulnessisdiminishedbecausethegreenindicatorlights(notfollowingplantconvention)representingTRUstatusaredifficulttodiscriminatewhethertheyareactuallyonorarebeingilluminatedbytheceilinglights.(Categoxy3)oPPGLwillinvestigatetheavailabilityofLED'swhichhavehigherlightintensityandwillcomplywiththepropercolorconvention.

LIH oTobeaddressedaspartofNR700longtermreview.SECTION5CONTROL/DISPLAYARRANGEMENT5a.TheReactorFeedPumpTurbineA,B,CcoolerdischargeHitemperatureannunciatorislocatedonPanelAR-20;thecontrolsarelocatedonPanelAR-23(approximatelyninefeetaway).(Category2)oMoveRFPTA,B,CcoolerdischargeHitempalarmsfrompanelAR-20(RFPSectiontoAR-23(TurbineBuildingclosedcoolingwaterSection).oThemodificationwillbecompletedpriortofuelload.5b.ControlsanddisplaysforGeneratorH2.Gen.H2CLRTemp,TIC-0955and32toGen.Temp.TI-0929arelocatedonPanelAR-23whiletheannunciatorsareonPanelAR-26whichisapproximately10feetaway.(Category3)oMoveGenH2HiTempalarmfromPanelAR-26(GeneratorSection)toAR-23(TurbineBuildingClosedCoolingWaterSection).oTobeaddressedaspartofNR700longtermreview.5c.TheManualIsolationSwitches(1C651Panelg7)havenoassociateddisplayonthebenchboardtoshowthatisolationhasoccurred.AnannunciatormessageandvalvedisplaysareprovidedontheECCSPanelwhichisapproximately20feetaway.(1C601),Panel19and20).(Cate'gory1)oWhentheoperatorpushesthebuttonstobringaboutagroup1isolation,thereisindicationforallthevalvesactuatedanpanelsinthecontrolroom.Procedurally,theoperatorwillbetoldwheretofind(bypaneletc.)allthenecessaryindicators.Allindicatorswillbeuniquelyidentifiedforquickoperatorobservation.TheoperatorcanobservetheMSIVclosurefromaCRTnearthepushbuttons.Expandingthisdisplaytoincludeallvalveswasconsidered,butrejectedforthefollowingreasons.ThecurrentdisplayisintheDCSsystem.NosingleDCSdisplaycouldhandlethe85digitalinputsrequired,thereforeyouwouldneedatleasttwodisplays.'resently,the85sparedigitalslotsneededarealsonotavailable.Thiswouldmeanaddingnewcomputerhardwaretoprovidetheadditionalcapacity.ThisnewhardwarewouldnecessitateadditionalchangestoothercomputerhardwaretoprovidetheredundancythatcurrentlyexistsintheDCSsystem.Asaresult,thisoptionbecomesverycostlyandcomplex.APMSdisplaycouldbegenerated10" (sufficientcapacitynowexistsforasinledislaeereundancyof.DCSandthushasadecreasedToprovidetheSusquehannaOperatorwithasinleointaetyParameterDisplaySystemproposedinNUREG0696.Display(s)ofcontainmentisolationwillbeinthdiSPDSufllisadatedreuorueoaduntilthqirement.ThetimespanfromsystemwillbeprobablbheimplementationofaworkinSPDSigpybeshortenoughtomakeusingaSPDSisplayforcontainmentisolationaviablesolution'"Priortofuelload,theindicatorsforvalve'situniquelycodedandthdlocationwillbeinplace.Theeproceuresforverifyingtheindicatorieinplace.TheSPDSdisplaytobackthisupxeadressedasalongtermsolution.5d.Thehereisnoannunciatormessaetoturbbineypassvalvesopen.0eratormusageodrawoperatorattentionwhenpraormustdetectthechangefromoreothelegendlightsonbenchboard.(Category1)NOTE:ProcedureNo.ON-43-001Step33ep.,requiresbypassvalvepositronverificationaspartofverificationooveriicationofreactoroaDCSgeneratedAlarmInitiatedAPMScomputeralarmandaispay(AID)aidwillbedeveloedowithtbbopetoprovidetheoperatorurineypassinformation.oThemodificationionwillbecompletedpriortofuelload.5e.ThebackupinformationoftheRxwatercleanpypocontrols(onStandbIisplays,islocatedsometenfanynformationPanel).ThesameafeetawayfromtheRodControlSystem,asthebackusem,astebackupinformationisabout15feetay.(ategory2)ThestandbinfoyrmationpanelhasneverbeenareuirearedundantinformationforselasproviebyGEonPALreueqsttoprovidermax,onorselectedinformationprovidedontheUOB.MhenthecomputersystemisinitsfinalformaUPS(Ui'blPoSlpply),anoperationalreliabilityforwilresult.Re'liabilitwillbeyicalcultepisaboveldhdandshallalwppyheneverthereactorcosutownstatusooperationalunavailabilitywillbe11 OperationalUnavailability=DowntimeOperatingTimewhere:DowntimeisanylengthoftimetheDCSsystemcannotperformitsintendedfunctionwhenthereactorisabovecold,shutdownstatusbecauseofanyofthefollowing:degradedcircuits,equipment,powersuppliesorinstrumentation(thisshall.notincludetrulyredundantequipmentsuchascorethermocouplesorcomputersystemcomponents).unreliableperformanceduetolackofadequatesensordata;andoscheduledoutagestoperformpreventativemaintenanceorinstrumentation,equipment,powersuppliesorsensors.Operatingtime,isthelengthoftimethereactorisabovecoldshutdownstatus.Withtheproceduresthatwillbeavailable,andtheexpectedlimitedoperationalunavailability,theoperatorswillhavelittleusefortheSIP.Butifitbecomesnecessarysimulatorexperiencehasshownthatitcanbeusedbyasingleoperator.ThedesignintentfortheACRisforoperationbyoneoperatorperunit.Infact,duringtwounitoperationtherewill.beathirdlicensedoperatorinthecontrolroom.Theextraoperatorcouldreducetheworkloadonasingleoperatorduringtheseoff-normalconditions'Note,therewillbetwooperatorsinthecontrolroomduringsingleunitoperation.)Inconclusion,thecontrolroomisdesignedtobeoperatedbyasingleoperatorutilizingthecomputerdisplays,controls,andindicatorsonthevariouscontrolboards.Aswithalloff-normalconditions,theoperatorwillbetrainedtooperateusingtheSIP,butthisisnotasignificantsituationforhimtohandle.oNoactionrequired(see7J).5f.Rodwithdrawandrodinsertpushbuttonswitcheshavethesameappearanceasassociatedindicators.Thismightcreateselectionerrors.(Category1)oAdistinctcodingwillbeusedtodifferentiateinsertfromwithdrawtoassuretheoperatorwillrecognizetheproperfunction."12-

oThemodificationwillbecompletedpriortofuelload.5g.Theturbine-generatorcontrolpaneldoesnothaveanindicationofautomaticoperationofEBOP-HS-1936orESOP-HS-10182.Allothercontrolsonthispanelhaveautooperationindication.(Category2)oTheconventioninthecontrolroomistoprovide.awhiteautolightindicatorwithpushbuttonswitches.Forallviolationsofthisconventionwewilladdwhiteautolightsforthoseswitches.oThemodificationwillbecompletepriortofuelload.5h.TheManualSteamIsolationandRCICTurbineTrippushbuttonsarenotrecessed(orprotected)toavoidaccidentalactivation,subpanel17C.(Category1)oPALwillprovideextensionsforthebezelstopreventacci-dentialactivation.oThismodificationwillbecompletedpriortofuelload.5i.Thecontainmentpressureandthecontainmenttemperaturemetersarenotadjacent,alsothesuppressionchamberpressureandthesuppressionchambertemperaturemetersarenotadjacent,subpanel20B.(Category2)oPALhasdirectedBechteltomodifythissectionforpostTMIchanges.TheNRCconcernwillbeaddressedinthefinalconfiguration.oThemodificationwillbecompletedpriortofuelload.5j.ThecontrolsforHV5713,HV5714,HV5711areusedtogetherbutarenotadjacent.ControlsforHV5703,HV5704,andHV5705areusedtogetherbutarenotadjacent.Bothsetsofcontrolsarenotlinedupforsequenceofuse,subpanel20C.(Category3)Separationconcernswillresultinmovementoftheseswitches.FinalarrangementsshouldreflectFigure4ofthePL/GPHumanFactorsReport.TobeaddressedaspartofNR700LongTermReview.5k.Containmentorsuppressionpoolchamberpressureverticalscaledoesnotpresentinformationintheformorwiththeprecisionthattheoperatorneeds.(Scalepresentlyreads0to20psia--operatorneedsscaletoread0to+15psig),subpanel20B.(Category1)13" oPPMhaddirectedBechteltomakechangestothissectiontoincorporatePost-TMIchanges.Includedintheserevisionsaremultiplemeterswithvariousmeterrangeswhichwillprovidetheproperinformationtotheoperator.oThemodificationwillbe,completedpriortofuelload.51.RXVESSELLVLverticalscaleandSAFEGUARDPRESSUREchartrecordersarenotadjacent,subpanel21B.(Category3)oThe"safeguardpressure"chart.recorderonJ-802Sht.7islabeledRXLVI>>Press.Bothscalesareonthesamerecorder.Theserecordershaveindicatingscalesonthem.oNoactionrequired.5m.Thedisplaysontwosectionsofpanel1C601areplaceddifferently(Section22BversusSection17B).ThereisnoseparationbetweentheverticalmetersonSection22B.(Category3)oPP8rLwillstudyenhancementstoimproveinformationflow'totheoperator.Theinstrumentswerelaidouttocoincidewithprocedures.Whilebothsystemsaresteamturbinesthereisnothingtoindicatethattheywillbeoperatedandmonitoredexactlythesame.oTobeaddressedaspart'fNR700LongTermReview5n.Forthecontrolroddrivepanel,theNMS(IRM,APRM)displayisonCRT.IftheCRTdisplayisnotavailabletheoperatormustusetheindicationonthestand-byinformationpanel10footaway.(Category3)Thisitemisessentiallythesameas5eandthe,samediscussionapplies.oNoactionplanned.5o.TherearetwocontrolslabeledNormal/Inopon,theUnitOperatingBenchboard.Itisdifficulttodeterminetheirfunctionandthereisnoassociateddisplay.(Category3)oThefunctionofthecontrolswillbeclearlyidentifiedbyappropriatelabelingsotheoperatorunderstandsitsuse.oTobeaddressedaspartofNR700IongTermReview.5p.Reactorlevelchartrecorderandreactorpressurechartrecorderarenotadjacent.ThetwoRHRchartrecordersarenotadjacent,subpanel18B.(Category3) oJ802-Sht.'showsthatRvessellevelandreactorpressurexareonthesamerecorder.Theserecordershaveindicatingscalesonthem.oNoactionrequired.SECTION6LABELINGANDCODINGIngenerallabelingofcomponentsonthe'oardsisnotconsistentwiththenomenclatureusedonthedrawings.6a.NomenclautreforDivision1andDivision2isnotusedconsistently,e.g.,(Category1)oStandardabbreviationsapprovedbyEngr.willbeobtainedandappropriatelabelsapplied.oThemodificationswillbecompletedpriortofuelload.6b.Incorrectspelling,e.g.,(Category1)oNewlabels,withcorrectspellingwillbeprovided,forallexamples.oThemodificationswillbecompletedpriortofuelload.6c.Hissinglabels,e.g.,(Category1)oMissinglabels,whereappropriate,on"'displaysandcontrolswillbeprovided.oThemodificationswillbecompletedpriortofuelload.6d.Baileycontrollersarenotlabeled(Panel18B).(Category1)oAnycontrollerwhichthroughaconstructiondeficiencywasnotlabeledatthetimeoftheNRCreviewwillbelabeled.oThemodificationswillbecompletedpriortofuelload.6e.Themeaningoftheredandbluelinesonchartrecorderaredefinedbutthegreenlineisnot(Panel20B).(Category3)oAlabeldefininggreenasasparewillbeappliedtoanyrecordernotusingthegreenline.oTobeaddressedaspartofNR700LongTermReview.15 VhH 6f.(1)Unconventionallabeling,e.g.,(Category1)Baileydisplays'arelabeledabovewhileverticalscaledisplaysarelabeledbelow(Panel18B)Baileycontrollersaielabeledabove,thecorrespondingindicationislabeledbelowwhichis'ourdesignconvention.Bailey'ontrollersarelabeledascontrollerseventhoughtheyhaveindicatorsbuiltin.oNoactionrequired.6f.(6)Unconventiallabeling,e.g.(Category1)Becauseofthelabelposition,itisnotcleartowhichindicatorthelabelINBOARDVALVEE32-F002Brefers.(Backpanel1C644)oByuseofproperlabeling,colorpaddingetc.,theconfusionwillbecleared-up.oThemodificationwillbecompletedpriortofuelload.6f.(2),(3),(5),(7)Unconventionallabeling,e.g.(Category1)6g.(1)EachitemwillbechangedtocomplywithNRCrecommendation.Themodificationwillbecompletedpriortofuelload.Inconsistentlabeling,e.g.,(Category1)A,B,C,DAutomaticDepressionSwitcharmpushbuttondoesnotrefertotheA,B,C,DSafetyReliefValveswitchesbelow.(Panel19C).Thereisnorelationbetween.A,B,C,D,ADSswitcharmpushbuttonandA,B,C,DSafetyReliefValveswitchesbelow.SeeItem(3b).6g.(2)Noactionrequired.Inconsistentlabeling(Category1)(2)UseofPSIA,PSI,andPSIG(Panel42B).NPEwillinstructBechteltoprovidereplacementmetersonthispanelwhichwillhavethe-properscale.Anyadditionalchangestothecontrolroomwillreflectthepropernomen-clature.Themodificationwillbecompletedpriortofuelload.16-6h.Excessivelabeling,e.g.,all16SafetyReliefSwitchesstartthei'rlabelingwith"SafetyRelief...."(Category3)oWewillprovidenewlabelstoenhancethissection.oTobeaddressedaspartofNR700LongTermReview.6i.Labelsoverrecordersaretoohightoread,(Category3).oPALwillreviewrecorderlabelsandmakenecessarychangestoenhancereadability.oTobeaddressedaspartofNR700LongTermReview.6j.On-OC673,OffGasRe'combiner-Adsorber,the2cross-connect,controlshaveinconsistent/inaccurateidentificationlabels.oCross-connecttoadsorbers1/2HV"17190(Ad.)oCross-connecttoabsorbersHV-27190(Ab.)Also,themimichassomedirectionalarrowsandendpointlabelsmissing.Also,themimiccolor(purple/violet)hasanunknownmeaninganddoesnotappeartobepartofmimiccolorconventionusedinthecontrolroom.(Category1)ThemimiccoloriscorrectaccordingtothePPSLcolorconvention.ThejustifyinginformationwasprovidedattheFeb.3,1981meetingbetweenPPSLandNRC.oLabelandmimicchangeswillbemadetocorrectconfusion.'Themodificationwillbecompletedpriortofuelload.6k.Thedemarcationisnotcomplete;i.e.:(Category3)IoDemarcation,usingcolorpadding,'illbe'implemented.RefertoPAL/GPPreliminaryHumanFactorsEngineeringRecommendationsforfeedpumpandcontainmentatmospherecontrolchanges.PDemarcationthroughapronpanelandannunciatorswillbestudiedfurther.oTobeaddressedaspartofNR700LongTermReview.61.TheMimicsarenotcomplete;e.g.:(Categoryl)RHRmimicswillbemodifiedusingshapecodingtodifferentiate3mainflowpaths.Starting/Endinglabelswillbeaddedtomimics.Themodificationswillbecompletedpriortofuelload.17 SECTION7COMPUTERS7a.ColorconventionusedonCRTdisplaysisdifferentfromthecolorconventionusedforcontrolindicatorsonthebenchboards.Alsodiffersfrombenchboardmimiccolorswheretheyexist.(Category2)TheCRTandbenchboardcolorconventionsaredifferent,however,eachisconsistentwithinits'elf.Itisourintentthattheoperatorthoroughlyunderstandthe'olorcodingconventions.Changing'thecolorconventionscouldhaveaveryundersirableeffect.Forexample,usingredandyellowfordynamicvalveindicationwouldbeacounterproductiveuseoftheredcoloronCRT'ssinceitcurrentlyhasbeenrestrictedtodisplayingonlyabnormalsituations.Byusingredtoalsoindicate"normal"valvestatus,ambiguitywouldariseandtheeffectivenessofthevisualquewouldbediminished.Maintainingthecurrentlimiteduseofcolorisimportanttothedesignphilosophyofourcontrolroom.oNoactionrequired.7b.ColordiscriminationonCRTsisdifficultinsomeinstances,particularlybetweenwhiteandcyanandbetweengreenandyellow.Difficultyiscompoundedwhereascreenglareproblemexists.(Category2)oPIwillimplementaperiodicCRTmaintenanceprogramforconvergence,coloralignmentandcontrasttoinsureahighCRTdisplayquality.Additionallyitshouldbepointedoutthatalllicensedoperatorcandidatesmustpassacolorblindnessexamination.ThetestistheIshahariColorPlatetestforIso-chromatics.Ittestsforallcolorswhichwouldbefoundinthecontrol'oom.oThiswillbecompletedpriortofuelload.7c.GlareisaproblemonCRTscreensasaresultofambientillumination,bothdirectandreflected.OneCRT(1C651)hasa"non-glare"screenwhichalleviatestheglareproblem,butintroducessomefuzzinesstothedisplayedinformation.GlareonCRT(1,3,and8plus'the-2onUMC)displayaffectsreadability.(Category2)AllnewCRT'swillhaveanintegralglarescreenwhichdoesnotreducereadabilityyetdoesreduceglare.AsoldCRTsneedreplacementthenewoneswillbeprovided.Thenewpurchasespecisnowbeingused.AllCRTswillbereplaced(orinterimglarereductionimplemented)priortofuelload.Thechangeswillbecompletedpriortofuelload.

v 7d.ThereisnocorrelationbetweentheformatswhichappearontheCRTs(e.g.,1A)andtheassoci'atedsystemselectcontrolpositionswhicharelabeledinabbreviatedwordswithnonumbers.(Category2)oTheformatscanbeeasilyupdatedtocorrelatewiththesystemselectpositions.Format1Awouldhaveanidentifierof'RWC-A'ndnot1A.Thiscodewouldbeincludedonline.4/48oftheformatandastheformatIDforVideoDisplayServices.ThefollowingcodeswillbeusedfortheremainingDCSsystems:1-RWC2-COND3"FW.4-RECIRC5-CRD6"NMS7-MS8-'URB9-GENoThemodificationswillbecompletepriortofuelload.7e.TheCRTsystemselectcontrolshavea"master"positionwhichenablestheSROtodisplaytheappropriateformatforeachsystemontheUnitOperatingBenchBoard(UOB)fromasinglelocationintheeventofanemergency.Iftheswitchhasbeenleftinotherthan"Master"position,remotemasteringforthatCRTcannotbeaccomplished,andthereisnoindicatortotelltheSROthatmasteringwasnotaccomplished.(Itispossiblethattheincorrectformatmaybeonthescreen).(Category3)oTheDCSsystemretainsthelastselectedpositionofthe'FORMATSELECT'otaryswitchatalltimes.Ifthatswitchisnotinthe'MASTER'ositionandaDCSformatiscurrentlyondisplay,thesystemwillbemodifiedtoautomaticallydisplaythephrase'NOTMASTER'nline4/48oftherespectiveCRTbetweentheformatIDandthefailedCRT8list.oTobeaddressedaspartofNR700IongTermReview.7f.AlthoughthecontrolsfortheDCSCRTsareproximallylocatedtotheCRT,thereisnofunctionallabeltoindicatethattheyareCRTcontrols.(Category2)oACRTcontrolslabel,identifyingitsrelatedCRTfj,willbeprovided.oThemodificationswillbecompletedpriortofuelload.

7g.TheCRT"SystemSelect"for"FormatSelect"controlsareintop-to-bottomorder;theassociatedpush-buttonsareinleft-to-rightorder,butwith"FormatSelectEnable"ontheleft,and"SystemGroupMenu"ontheright,whichisareversalofconvention.(Category3)oThelenslegend,andfunctionsoftheFORMATCHANGE,ENABLEandSYSTEMGROUPMENUbuttonswillbereversed.oTobeaddressedaspartofNR700LongTermReview.7h.Th'etwoCRTscreensatthePlantMonitoringConsole(OC683)aresatisfactorilyrecessedintheconsoleandangleduptowardtheseatedoperator'seyereferencepoint.However,whenbothUnitsglandN2axebeingmonitored,thesinglekeyboardwillbecenteredbetweenthetwoCRTs,causing'apoorviewingangle(left/right)fortheseatedoperator.TheviewingangleforastandingoperatorispoorbecauseofthedeeplyrecessedCRTs.(Category3)Thisentirepanelisdesignedasasitdownpanelandisproperlyusedbyaseatedoperator.TheoperatorcaneasilypositionhimselfinfrontofeitherCRT.Additionallythekeyboardismovabletoallowtheoperatortomoveittowhateverpositionismostcomfortableforhim.oNoactionrequired.7i.KeyboardsusedwithCRTshavetwosetsofnumberkeys,oneinthestandardQWERTYkeyboardandaseparate10-digitset.Thereasonforthisisnotclearsince,eithersetcanbeusedapparently,(1C651;1C684;OC683).(Category3)Twokeyboardsareprovidedfordifferentdataentryneeds.TheQWERTYkeyboardisoptimal(fewererrors)foralphaumericdatainput.RemovingthenumerickeysfromtheQWERTYkeyboardwouldviolateindustryconvention(NUREG/ER-1580p.CON-78).The10-digitKEYBOARDisoptimalfornumericinput.Arrangementcorrespondstocalculatorstylekeyboardshavingthelowesterrorrateandfastestdataentryspeed.(McCormick,1976).ThenumbersontheQWERTYKeyboardandthe10-DigitKeyboardhaveidenticalmeaning'tothecomputersystem.oNoactionrequired.7j.TherearenooperatorproceduresforoperatoractionfollowingtotallossoftheDisplayControlSystem(DCS)orthePerformanceMonitoringSystem(PMS).(Category1)"20-oProcedureswillbeavailabletotheoperatortodescribeactiontobetakenintheremotecaseoftotallossoftheDCSsystemorPMSsystem.Theoperatorswilltrainforthesecontingenciesonthesimulatorusingtheseprocedures.oTheprocedureswillbeavailablepriortofuelload.7k.PoororganizationofpointIDonthePMS.(Thiscouldbeimprovedbygroupingofsystems/sub-systems).(Category1)APMSservice,thePointDictionaryService,currentlyexiststoenableanoperatortodeterminethepoint,IDforamonitoredplantdynamicprocess.Theserviceconsistsof4pagesof2-charactergroupcodeswhichuniquelyidentifythefirst2charactersofthedesiredpointID.Thegroupcodesarearrangedbymajorplantsystem(i.e.;nuclearturbine,condensate,feedwater,etc.systems)withappropriatesubdivisions.(Seetheexampledetailedbelow)ND-ControlRodDriveNR-RecirculationSystemNL-ReactorWaterCleanupNV-ReactorVesselNC-ReactorContainmentNM-Monitoring(Flux,Power)NA-RadiationNW-RodWorthMinimizerNH-ResidualHeatRemovalNS-CoreSprayFollowingdeterminationofthe2charactergroupcode,thethirdcharacterofthepointIDisascertainedbyidentifyingthedesiredphysicalquantityandrelatingthatquantitytothesummarylistedbelow:P-PressureT-TemperatureV-VibrationI-IevelF-FlowS-SpeedC-Conductivity/ChemistryE-VoltageI-CurrentJ-PowerU-ElectricalMultivariable(Vars.Va.Watt-Hrs.)R-Radiation0-2-FluxIevelsZ,Y-Status/Position(ContactInputNotCoveredByQorH,AnalogPositionIndicator)21 Ci Q-Trip/Scram/Block(SequenceofEventsInputs)H-Status/Po'sition(ContactInputsofHandSwitchesandPushbuttonA--AnalysesandCalculations(PseudoandCalculatedAnalogs)D-DigitalorStatusComputation(PSEUDODigitalInputs)3-9"OtherMiscellaneousIndicationsTheremaining2charactersofthedesiredpointIDcannotbedeterminedbypagingthroughtheservicesummarydisplays,howeversufficientdatanowexiststotheserviceusertoallowthepointdictionaryservicetodisplaythedesiredpointID.Byenteringonlythe2-charactergroupcode,thesystemwillrespondwithanalpha-numericallysortedlistofallsystempointID'sandtheirassociated24characterdescriptionbeginningwiththefirstentryoftherequested2-charactergroupcode.TheoperatorcannowpagethroughsequentialsummarypagesuntilthedesiredpointIDisobtained.InadditiontothisPMSservice,acontrolledhardcopylistofallsystempointID'sandtheirassociateddescriptionswillbemaintainedwithinthecontrolroom.oNoactionrequired.71.TheCRTgraphicsymbolsarehardtoidentifybeyondfivefeet.,Componentsymbolsaretoosmall.(Category3)ThePPGLdes'ignbasisforviewingdistanceregardingCRTdisplaysistwenty-eightinches.NUREG1580doesnotstipulatemaximumviewingdistanceforthestandingoperator.oCurrentlytwodifferentvalvesymbolsareused.Thelarger"squared"valvesymbolwillbetheonlyoneused'forgate,ball,orglobevalveapplications.Thesmaller"rounded"symbolwillbephasedoutasexistingformatsarerevised,sinceitishardertodistinguishfilled/not-filled(close/open).oWillbeaddressedaspartofNR700LongTermReview.7m.InformationdensityoftheCRTdisplayformats(twoexamples)exceed30/ofavailabledisplayarea.(Category3)Humanengineeringliterature(Danchak,1976)concludesthatnomorethan25/oftheCRTscreenshouldcontaindata(numbers,asopposedtosymbology).NoCRTdisplayshavemorethan25/ofthescreencomosedofdata.ThistopicisnotaddressedinNUREG/CR-1580(referencepp.VD-45toVD-57).Tocalculatetotaleffectivedensityvalues,thearrangementoftheinformationaswellasthenatureoftheinforamtionshouldbeconsidered.Theabilityofoperatorsto"chunk"informationfaroutweighsaphysicalhardwaredensitystandard.ThetwoexamplescitedbyNRC'fallintothe"chunked"informationcategory.oNoactionrequired.-22" V~g~

SECTION8CONTROLROOMWORKSPACEAND'EVIRONMENT8(a)IlluminationIlluminationlevelsfoundatthebaseoftheverticalpanelsrangedbetween28and54footcandles.Illuminationlevelsattheannunciatorpanels,withtheannunciatorlights"off"rangedbetween20.7and59footcandles.Theselevelsofilluminationaresubstandard(30footcandlesatthereadingsurface),however,theannunciatorsarenotreferredtounlesstheyareilluminated.Theonlyinformationthatneedstobereadarethematrixlabeling(foundinthesimulator,butnotyetinstalled.inthecontrolroom)andthepaneldescriptions.(Category3)1580doesnotexplicatethemethodologyforspotilluminancereadings'heIESHandbookUtilizesanaveragingmethod.Whenthefigurescitedareaveraged(28and54)theyyield41ft.candleswhichfallswithintherecommendedguidelinesof1580(30ft.candlesmin.).Readabilityismeasuredbyluminance,notilluminance,andourmeasurementsindicategoodluminancelevels.Noactionrequired.8.2.1CRTglarewereoftwotypes.ThefirstrelatestoindirectspecularglareofthepolishedglasssurfacesofsomeCRTs.Theotherrelatestotheinterferenceofdirectlightofoverheadfluorescentfixturesonthefrosted(diffused)surfaceofotherCRTs.(Category2)item7Caddressesthisproblem.Noadditionalactionrequired.8.2.3Indirectspecularglareonallindicatorsandmeterswithplexiglassfaces.(Category3)oPALwillexperimentwithvariouscoatingsand/orreplacementlensestoreducetheglareonallindicatorsandmeters.oTobeaddressedaspartofNR700LongTermReview.8.2.4Indirectspecularglarefrompolishedsurfacesofpushbuttoncontrolswhichinterfereswithreadibility.(Category3)At30ft.-candles,.noimpairmentofreadabilityhasbeenexperiencedorobservedduetospecularglareoffofpushbuttonswitches.ThePALreviewofthepresentsituationdoesnot

showthistobeaproblem.PPGLwillrelookatthepotentialproblemoncethecontrolroomispaintedandotherwisebroughtuptoamorecompletestatus.TobecompletedaspartofNR700longtermreview.Indirectspecularglarefromdiffusedsurfacesofmimicswhichinterfereswithreadabilityofinforamtion.(Example:Yellowmimicswithwhiteletters).(Category3)oThereadabilityproblemwillbealleviatedbyuseofappropriateletter/mimiccolors.oWillbeaddressedinNR700LongTermReview.Indirectspecularglareofchromekeyoperatedcontrolswitchescausesunnecessaryattention,whichisdistractingandtakesawayfromtheimportanceoflabelinginformation.Thisisagenericproblemwithallshinymetalicsurfaces.(Category3)Thecolorofthecontrolshouldhaveahighcontrastwiththepanelbackground.Priortochanginganycontrolcolors,considerationshallbegiventoanticipatedambientlightinglevels.Atthe30footcandlesilluminationlevel,nospecularglarewasobservedoffofthechromeswitches.Readabilitycriteriaintermsofluminanceratioandluminance-levelswereadequatelymet.Noactionrequired.Directglarecausedbyfirstandsecondtieredlighting(lowertwotiersofceilinglights)contrastedagainstdark(lowluminousintensityannunciatorsinforeground.(Category3)PALfeelsthatthemannerinwhichthecontrolroomispaintedwilleffecttheseitems.Xnanyevent,theluminancecontrastratioisconformedto.Noactionrequired.Directglarecausedbysecondti'erfrombottomlightingfixturesparalleltothelineofsightiswithin45ofthehorizontalfloorplaneandwithinthenormalfieldofvisiontoreadinformation,i.e.,442-462footlamberts.(Category3)ControlRoompaintingandlightingisbeinginvestigatedtoreduceeffectofglareonreadabilityofannunciatorlegends.Bafflesorappropriatemeasureswillbelookedintoifnecessary.

4oWillbeaddressedaspartofNR700IongTermReview.8.2.9Frostedglassandtapedinformationonchartrecordermakesit,difficulttoreadchartordeterminetrends.Suppanel18B.(Category3)PP&Lwilllookintoreplacementof.frostedglassonchartrecorders.Thenatureofthetapedinforamtionwillbestudiedand'eitherremovedorplacedonpermanentlabels.WillbeaddressedaspartofNR700LongTermReview.8(b)NoiseSoundlevelwasmeasuredatsixlocati'ons.Theaveragelevelwas61dbA.Xtisrecommendedthatanoise.surveybecarriedoutpriortooperationtoestablish,thebackgroundnoiseand.thelevelofthealarms'SeeSection1eandf).(Category1)oAnothersoundlevelsurveywillbetakenpriortofuelload.Anadditionalsurveywillbemadewhenthecontrol.roomistotallycompleted.8c.Communications(Category1)1.Thereisnopageloudspeakerattheremoteshutdownpanel.oTheplantstaffwillverifythattheloudspeakerfortheremoteshutdownpanel(whichisonthedrawingsbutnotinstalledatthetimeoftheNRCvisit)isinplaceandoperating.Theverificationwillbecompletedpriortofuelload.8c.(2)Themasksusedwillinterferewiththevoicecommunications.8d.o'ALwillobtainequipmenttoprovideadequatevoicecommunicationswhenmasksareused.o'heequipmentwillbeobtainedpriortofuelload.FMaintenance(Category1)(1)Statusdisplaylightsdonothavelamptest.(2)Failedlampscouldresultinunknownvalvepositionandpumpstatus.Thisisaddressedin2i.oNoactionrequired.RTJ:DEB13"A

'0E~r.