ML17212A368

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Near-Term OL Human Engineering Rept on St Lucie 2 Control Room.
ML17212A368
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 07/06/1981
From:
FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17212A365 List:
References
RTR-NUREG-0660, RTR-NUREG-0700, RTR-NUREG-660, RTR-NUREG-700, RTR-NUREG-CR-1580 NUDOCS 8107210314
Download: ML17212A368 (103)
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NTOLSUMMARYHUMANENGINEERING REPORTONST-LUCIE.UNIT:NO'2':CONTROLROOMPreparedfor:NuclearRegulatory Commission Preparedby:Florida:Power

&LightCompanyJuly6,198181072103i4 Bi07iSPDRADOCK05000389APDR IIII SUMMARYHUMANFACTORSREPORTTONRC

1.0INTRODUCTION

OnApril29,1981,theEssexCorporation wascontracted, bytheFloridaPoweraLightCompany(FPGL)toprovideHumanEngineering (HE)consulting servicestoassistintheassessment ofseveralnuclearpowerplantcontrolroomsasrequiredbyTaskI.D.ofNUREG-0660 andsuggested guidelines inNUREG/CR-1580.

OnetaskofEssex'swastoconductapreliminary prelicensing reviewoftheSt.LucieUnitNo.2ControlRoom(CR),theresultsofwhich(Appendix No.1)aretobetransmitted totheNuclearRegulatory Commission (NRC)alongwiththissummaryreport.Thisreport~1'umanEnineerinAssessment oftheSt.LucieUnitNo.2NuclearPowerPlantControlRoomreport,alongwithaschedulefortheimplementation ofworkitemsand/orengineering reviewprogramsnecessary tocorrecttheseHumanEngineering Discrepancies (HED's)whichwereidentified ashavingasignificant impactonsafetyrelatedoperating effectiveness.

NUREG/CR-1580 wasusedtoestablish theguidelines ofthepreliminary HEDreviewsincethefinalguidelines (NUREG-0700) hadnotbeenissuedasofthedatethisreviewwasconducted.

II TheEssexCorporation performed apreliminary assessment oftheSt.LucieUnitNo.2CRforthepurposeofidentifying conspic-iousHumanFactorsEngineering (HFE)discrepancies whichcouldhaveasignificant impactonsafetyrelatedoperating effective-ness.Theoverallcontrolroomassessment.

included, butwasnotlimitedto;2.3~45.6.7~CRworkspace andenvironment Labelsandjobperformance aidsControlsDisplaysAnnunciators andwarningsComputerdisplaysystemsControlanddisplaylayoutandintegration Theevaluation wasaccomplished by:l.Establishing discretetasks2.Determining objectives foreachtask3.Developing amethodology forimplementation 4.Results(DataReduction andAnalysis)

II'I Therewerefive(5)itemswhichwerenotcompleteand/oravail-ableonSL-2duringEssex'sreview.Theywere:2~3~4~5~CRCommunications SystemProcedures Radiation MonitorsReactorProtection SystemTMIPost,AccidentAuxiliary PanelTheseitemswillbediscussed inmoredetailintheFindingsandActionsectionofthisreport.ToaidinreviewofthissummaryreportaswellastheEssexPreliminary Assessment ofSL-2(Appendix No.l)theactionsin-tendedandscheduling willbepresented inthreesectionsunder4FindingsandActions,asfollows;1.Panelbypaneldiscrepancies 2.Genericdiscrepancies 3.Othertopicsand/orequipment notcoveredbyItems1and2above2'FINDINGSANDACTIONSThissectionaddresses theactionandscheduling proposedbyFP&Lwithregardtoaddressing theseitemsidentified asbeingHED'sintheEssex"Preliminary HumanEngineering Assessment oftheSt.LucieUnitNo.2NuclearPowerPlantControlRoom"report.Lay-outanddiscrepancies uniquetospecificpanelsarediscussed below.

I 2.1Discussions ofFindinsandActionsbPanel2.1.1Panel201-Electrical, TurbineandGenerator A.Themainsteam drainvalveindicator lightsareusedtoshowthedrainvalve'sposition.

Thepresentorienta-tionoftheindicator lightswouldnotcauseanerrorduringasafetyrelatedactivitysincethesevalvesarenotassociated withanysafetyrelatedactivities.

Intheeventadrainvalveisindicated tobeinanOFFnormalposition, thesecondary sidefieldoperatorisdispatched tomakeadetailedinvestigation ofthesituation.

Reorientation ofthisdisplaywouldnotchangeorimprovepresentplantoperating effective-ness,therefore noactionisintendedforthisitem.B.Turbineglandsteamisplacedinservice duringsecond-arysidewarmup.Onceplacedinservice nofurtheroperatoractionisrequired.

Thissystemdoesnotinvolveanysafetyrelatedactivities andisnotrequiredtobemanipulated duringanyperiodsofplanttransients.

Reorientation ofthiscontrolanddisplaywouldnotchangeorimprovepresentoperatoreffective-ness,therefore noactionisintendedforthisitem.

2.1.1C.Thegenerator feedandmegavarindicators areindepend-entinstruments usedduringdifferent periodsofoperation.

Theplacement oftheturbinegenerator governor(speedcontrol)andgenerator

controls, withrespecttothegenerator speedandmegavarindicators, areconsistent withindustrystandards.

Thesecontrolsand/orindicators arenotrequiredtobemanipulated duringsafetyrelatedactivities.

Reorientation ofthesecontrolsanddisplayswouldnotchangeorimproveoperatoreffectiveness, therefore noactionisintendedforthisitem.D.Turbineandreactortrippushbuttons areplacedinareasofhighvisibility sothatinadvertent actuation wouldnotoccur.Presently noactionisplannedforthisitern.E,F,G.Labelinganddemarcation ofthegenerator megavardisplays, dieselgenerator controlsanddisplaysaswellastheDEHvalvetestpushbuttons andlegendlightswillbeaccomplished duringtheimplementation portionoftheongoinglabeling, system/subsystem demarcation, syntaxandannunciator reviewprogram.Thereviewisscheduled tobecompleted priortofuelload.

2.1.1H.Non-glare glasswillbeinstalled ondieselgenerator 2Bfrequency meter.2.1.2Panel202-Feedwater andCondensate A.Thechemicalrecorders locatedbetweentheauxiliary feedwater controlsandindicators arescheduled tobemovedpriortocoreloadtosupportinstallation oftheauxiliar'y feedwater automatic initiation system.B,C.Theheaterdrainpumpcontrolsandauxiliary feedwater

'ipumpandvalvecontrolswillbereviewedduringtheongoinglabeling, system/subsystem demarcation, syntaxandannunciator reviewprogram.Thereviewissched-uledtobecompleted priortofuelload.D.Theauxiliary feedwater headerflowtrendrecorders arescheduled tobereversedtobeconsistent withtheirassociated controlsassoonastherequiredsupporting engineering documentation iscompleted.

I 2.1.2E.Theprimarywaterstoragetankleveldisplay,aswellasthetransferpumpcontrols, arenotassociated withthemakeupcontrolfunctions anddisplayslocatedonPanel205.Relocation ofthesecontrolsanddisplayswouldrequiretheoperatortosplithisattention betweenthe205and202panelduringfillingoftheprimarywaterstoragetank.FP&Lfeelstheseitemsareproperlylocatedandintendsnofurtheraction.F~Thesubjectmainsteamisolation valvesandfeedwater blockvalvesarenotrequiredtobemanipulated duringnormalplantoperation.

However,theirstatusandalsomanipulation wouldberequiredduringcontainment iso-lationandsafeguards actuation.

Duetothefactthatthesecontrolsareofprimeconcernduringcertainsafetyrelatedfunctions, theyareplacedonPanel202.FP&Lintendsnofurtheraction.2.1.3Panel203-ReactorCoolantSstemAgBgC,D.ItemsA,B,CandDwillbereviewedduringthepresentongoinglabeling, system/subsystem demarcation, syntaxandannunciator reviewprogram.Theseitemswillbeprioritized andcorrective actionsinitiated priortofuelload.E.Anengineering reviewofthereferenced metermountingschemewillbeinitiated toinvestigate therasingand/orcantingofthesubjectmeters.

l14 2.1.4Panel204-NuclearInstrumentation A.Thepresentorientation oftheselectorswitchwouldnotcauseanerrorduringasafetyrelatedactivity.

Relocation oftheselectorswitchwouldnotimprovepresentplantoperating effectiveness, therefore noactionisintendedatthistime.B.ThenormalT-AVGandT-REFdisplays, used'uringcontrolrodmanipulation, arelocatedimmediately totherightoftheCEAcontrols.

Relocation oftheredundant displayswouldnotimprovepresentplantoperating effectiveness, therefore noactionisintendedatthistime.C.Presently operators usetheSequenceofEventsRecorder(SER)todetermine theassociated chainofeventswithregardtoareactorandturbinetrip.TheSERprintsoutfirstandallsubsequent tripsandtimeofoccur-D.E.~ence.Presently nofurtheractionisplannedwithregardtothisitem.Thereactortrippushbuttons areplacedinanareaofhighvisibility sothatinadvertent actuation couldnotoccur.Presently noactionisplannedfortheirrelocation.

IfthesameHEdiscrepancies arereproduced onSL-2,theywillbeaddressed by:1.Removinganti-glare glassfromCRTcover2-.PlacingashieldovertheCRTtoreduceincidentlighttothedisplay.

5, 2.1.5Panel20S-ChemicalVolumeandControlSstemA.Relabeling ofHIC-1110willbeaccomplished duringtheimplementation portionoftheongoinglabeling, system/subsystem demarcation, syntaxandannunciator reviewprogram.The.reviewisscheduled tobecom-B.pletedpriortofuelload.Areviewoftheletdown,chargingandVCTcontrolsisscheduled forreviewduringtheongoinglabeling, system/subsystem demarcation, syntaxandannunciator reviewprogram.FP&LandEBASCOwillexaminealtern-ativesandaddresspriortofuelload.C.TheprimarywatertransferpumpslocatedonPanel202arenotassociated withthemakeupcontrolfunctions anddisplayslocatedonPanel20S.Relocation ofthesetransferpumpcontrolswouldrequiretheoperatortosplithisattention betweenthe20Sand202panelduringfillingoftheprimarywaterstoragetank.FP&Lfeelstheseitemsareproperlylocatedandintendsnofurtheraction.D.Theannunciator controlsandcolorcodingwillbecorrected forconsistency duringtheongoinglabeling, system/subsystem demarcation, syntaxandannunciator reviewprogramwhichisscheduled forcompletion priortofuelload.

2.1.5E.Thesubjectliquidwasteflowvalves'ndicating lightsandlabelingwillbecorrected tobeconsistent with,standard conventions assoonastherequiredsupportengineering documentation iscompleted.

F.Installation ofasuitablesquarerootextractor andqualified display,alongwithpropercalibration procedures, ispresently scheduled tobecompleted duringtheunitsfirstrefueling outage.2.1.6Panel206-EmerencCoreCoolinSstemandComonentCoolinWaterSstemA.B.Thelowheadandhighheadsafetyinjection controlsanddisplaysarescheduled foradetailedengineering reviewduringthelabeling, system/subsystem demarca-tion,syntaxandannunciator reviewprogram.,Thereviewisscheduled forcompletion priortofuelload.Theemergency corecoolingcontrolsanddiplaysarescheduled forreviewduringthelabeling, system/sub-systemdemarcation, syntaxandannunciator reviewprogram.Thereviewisscheduled forcompletion priortofuelloadwithimplementation oflabelingandde-marcation requirements priortofuelload.10 I

2.1.6C.Thehydrazine controlanddisplaysystemarrangement onD.EControlPanel206isduetothefireseparation cri-teria.Thisitemwillbereviewedduringthelabeling, system/subsystem demarcation, syntaxandannunciator reviewprogram.Thereviewispresently scheduled forcompletion priortofuelload.Theshutdowndisplaysandcontrolsarearrangedtocomplywithpresentchannel/fire separation criteria.

Thedisplaysandcontrolswillbereviewed, duringthelabeling, system/subsystem demarcation, syntaxandannunciator reviewprogramtodetermine whatcontrol/Idisplayinterfaces areachievable.

Presently noimmediate relocation ofcontrolsordisplaysareplanned.TheCCWfromRCpumpsheatexchanger flowmeters(FIS-14-15-A,-B,-C and-D)wereplacedtosatisfytheEngineering SafetyFeaturesActuation System(ESAF)requirements.

Theseindicators arenotdirectlyassociated withthecontrolsinquestion.

Theflowindicators arecheckedbytheoperatorperiodically andrelocation ofthedisplayswouldviolatethedesignrequirements of.theESAFSystem.Presently thisitemisnotscheduled foranyaction.11 1

2.1.6F.HIC-3638processcontroller willbereorientated toachieveconsistency withcontrolroomconvention, assoonastherequiredsupporting engineering documen-tationiscompleted.

2.1.7Miscellaneous PanelsA.Thematrixrelayholdpushbutton isonlyusedduringperiodiccheckoutofthereactorprotection system.Iftheassociated reactortripbreakersarenotresetpriortotestingthealternate channeltheunitwouldB.C~experience areactortrip.Presently theRPSsystemisnotinstalled onSL-2andwillhavetobereviewedforthisitemuponitsinstallation priortofuelload.Thereisnoroomtoreposition theHVACcontrolsinquestionabovethe34inchplane.Thesecontrolsareinfrequently operatedand'donotposeanycontrol/dis-playproblemswithregardtointerpretation.

Thecontrolsforthereactorregulating systemareusedduringnormalcalibration intervals andarenotrequiredtobemanipulated duringplantoperation.

Presently, thereisnofurtheractionplannedwithregardtotheseitems.Theimpacttrendrecorderlegendwillberelocated duringthelabeling, system/subsystem demarcation, syntaxandannunciator reviewprogram.Thereviewisscheduled forcompletion priortofuelload.12 ll 2.1.7D.Theindicating lightlensesonvalveFCV-25-8ontheE~HVACpanelwillbechangedtoagreewithstandardplantconvention (greenindicates valveclosedandredindicates valveopen).Keysareplacedinasecurekeycabinetasrequiredbypresentsecurityrequirements.

ThekeystorageandaccessprogramforthosekeysrequiredintheCRwillnotbechangedsincetheiruseisnotrequiredforimmediate operatoraction.Keyswillbeprovidedattheremoteshutdownpaneltoallowtheoperatorimmediate access.2.2GENERICDESCREPANCIES Thissectionsummarizes commondiscrepancies andoutlinesthereviewprogramand/orcorrective actiontobetaken.Thefollowing sectionidentifies thediscrepancy asarrangedinthefollowing manner:0DiscreancDescrition-Briefstatement ofthehumanoStatusengineering discrepancy.

-Reviewprogramstoestablish corrective actiontobetakenandfeasability.

1.Labelingreview2.System/Subsystem Demarcation Review3.SyntaxReview4.Annunciator Review5.DetailedSystemInterface aEngineering Review13

Imlementation

-Presentscheduling issuchthatmostitemswillbecompleted priortofuelload;however,thoseitemsrequiring detailedengi-neeringreview,procurement ofqualified instrumenta-tionand/orcontrolswilltentatively bescheduled suchthatinitialscopingwillbecompleted priortocoreload.A.Indicates reviewandscheduled repairpriortofuelload.B.Indicates detailedengineering reviewcom-pletedpriortofuelload.Scheduling orrepairsubjecttoengineering andmaterialavailability.

C.Preliminary scopeofworktobecompleted priortofuelloadwithrecommendations and1implementation schedule.

o~Cetegor-Categoryassignment isasub-jectivedetermination oferrorrisk(High,Moderate, Some)aswellassafetyrelatedness oftheoper-atoractivities.

14 5'

Category1-Highriskofoperatorerrorinsafe-tyrelatedactivityCategory2-ModerateriskofoperatorerrorinsafetyrelatedactivityCategory3-SomeriskoferrorinsafetyrelatedactivityCategory4-RiskoferrorinnonsafetyrelatedactivityCategory5-Additional evaluation required15

~g~~~~~~~+5STLUCIEUNIT$2LABELSANDJOBPERFORMANCE AIDSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc DescritionLABELCONTENTSSTATUSIMPLEMENTATION CATEGORYl.Abbreviations arenotusedconsistently inlabels.2.Contentoflabelsisnotconsistent.

3.Incorrect labels.16 5I STLUCIEUNIT02LABELSANDJOBPERFORMANCE AIDSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc DescritionLABELCODINGSTATUSCIMPLEMENTATION CATEGORYl.Labelsarehighlysimilar.'k2.Pushbuttons havetwolabelslwhichpresentredundant information.

3.Component labelsarenotlargerthancomponent posi-tionlabels.4.Labelsarecolorcodedbasedlonpowersupply,notsystem.5.Somelabelsaredifficult tolreadduetoinsufficient colorcontrastbetweenlabelsurfaceandprint.

Sg~~~~~~~gNSTLUCIEUNIT42LABELSANDJOBPERFORMANCE AIDSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscreancDescritionSTATUSIMPLEMENTATION CATEGORYLABELREADABILITY 1.Characters onlabelsareseparated bylessthantheminimumrecommended space(1/6)character height).2.Linespacingonlabelsisinadequate (lessthan1/2thecharacter height).3.Manyabbreviations inlabels3ontheHVAC,plantauxiliaries andlinerepeatpanelsarefollowedbyperiods.4.Readability oflabelsisreducedbecauseoffontstyle.18 STLUCIEUNIT42LABELSANDJOBPERFORMANCE AIDSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc DescritionLABELLOCATIONANDMAINTENANCE STATUSIMPLEMENTATION CATEGORYl.Pointersoverlapindexonlargehorizontal trendrecorders.

N/AOperators usethesedevicesfortrend.3Recorderpaperhasproperscale.Presently noaction.isintended.

2.Key-operated switcheshavetaped-onlabels.3.Engravedlabelswerenotfilledinandhavenowbe-comeobscuredbygrease,grimeanddirt.4.Labelshavebeenplacedunderdisplaysinalmostallcasesandareoftenobscuredbytheequipment theyareintendedtoidentify.

25.Labelsarenotdirectlyoncontrolsanddisplays.

19

Sg~~~~~~~0~~~~~~Qllfy~STLUCIEUNIT02LABELSANDJOBPERFORMANCE AIDSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description LABELLOCATIONANDMAINTENANCE (Cont.)6.Labelsarenotlocatedinaconsistent mannerthrough-outthecontrolroom,makingitdifficult toidentifycomponent groupings.

STATUS1,2IMPLEMENTATION CATEGORY7.Labelsarenotlocatedonthemostuncluttered surface.8.Labelling ofunitsontrend1recorders, countersandpro-cesscontrollers isincon-sistentandoftenredundant tothecontrollabel.9.Thereisnoindication ontwocolortrendrecorderastowhichcolorrepresents anactualreadingandwhichrepresents thesetpoint.20 STLUCIEUNIT02LABELSANDJOBPERFORMANCE AIDSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description LABELLOCATIONANDMAINTENANCE (Cont.)10.Thereareunlabelled posi-tionsonrotarycontrols(observation madeinUnitflRPSPanel).STATUSIMPLEMENTATION CATEGORYll.Manytrendrecorders haveblanklabelsorlabelswhichdonotexplainthedisplay's function.

12.Anumberofcontrolsanddisplayshavelabelswhichareeithermissingorappeartobeincorrect.

21

STLUCIEUNITN2LABELSANDJOBPERFORMANCE AIDSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc DescritionDEMARCATION STATUSIMPLEMENTATION CATEGORYl.Summarylabelsanddemar-cationlinesarenotusedtoidentifyandseparatesystemssurrounding mimics.Labelsdonotalwaysappearabovemimicareas.1,22.Thereislittleornouseofsummarylabelling orde-marcation toidentifyfunc-tionallyrelatedcomponents.

1,2,522

STLUCIEUNIT52LABELSANDJOBPERFORMANCE AIDSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc DescritionMIMICUSABILITY STATUSIMPLEMENTATION CATEGORY.

1.Mimicsarenotconsistently 2colorcoded.2.Notallmimiclinesterm-.inateatalabelorlabelledcomponent.

3.Insufficient useofmimicsincontrolroom.Atpresent,theyareonlyusedforelec-tricalsystems.1,2,523

0~~~~~~~+IllSTLUCIEUNIT42CONTROLSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description CONTROLSDIFFICULT TOUSESTATUSIMPLEMENTATION CATEGORY1.Processcontrollers onbenchboard indicatesetpointwithagreenstripattachedtocover,causingseriousparallaxproblems.

2.Criticalpushbuttons arelocated69,64and60in.,respectively, abovethestandingsurface.N/AThesepushbuttons areplacedinhighlyvisibleareassuchthatinadvertent actuation canbeminimized.

Presently noactionisintended.

3.Notallcontrolsanddis-playsusedinnormaloper-ationsarelocatedbetween34and74in.abovethefloor.4.Feedbackprovidedforcon-trolsuseisbreakerposi-tionratherthanactualpumpstate.N/AIndicator lightsgivestatusofbreakercontrolandbreakerprotec-tion.Operatorusesassociated pressureand.flowindicators todeter-mineactualsystemstatus.24

STLUCIEUNITe2CONTROLSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description CONTROLSSUBJECTTOIN-ADVERTENT ACTIVATION l.Oncesetpoints aresetonprocesscontrollers, nomeansareprovidedtoguardagainstaccidental movingofthecontrols.

STATUSN/AIMPLEMENTATION Theprocesscontrollers inquestionaregenerally locatedinlowbodyandhandtrafficareas.Noactionisintended.

CATEGORY2.Criticalcontrolsareunguarded.

25

STLUCIEUNIT42CONTROLSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc DescritionVIOLATIONS OFCONTROLCONVENTIONS l.Allswitchkeysarein-sertedwithteethpointingdownSTATUSN/AIMPLEMENTATION Allkeyswitchesareorientedinthesamemanner.Visualindication isusedtomonitorswitchposition.

Noyctionisintendedatthistime.CATEGORY2.OffpositionisnotverticalN/Ainkeyoperatedswitches.

Allkeyswitchesareorientedinasimilarmanner.Visualindication isusedtomonitorswitchposition.

Noactionisintendedatthistime.3.Rotaryswitchpositionconventions areviolatedinanumberofcases.26

STLUCIEUNIT42CONTROLSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description CONTROLLAYOUTANDSUBSTITUTION ERRORSSTATUSIMPLEMENTATION CATEGORY1.Functionally relatedcon-trolsanddisplaysarenotcollocated.

2.Controlsusedtogetherarenotincloseproximity.

1,23.Functionally similaroridentical primarycontrolsarenotconsistently arrangedandlocatedfrompaneltopanel.'1,227

STLUCIEUNIT<<2CONTROLSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscreancDescritionCONTROLLAYOUTANDSUBSTITUTION ERRORS(Cont.)4.Minimumseparation forcontrolsnotachieved.

STATUSN/AIMPLEMENTATION Thesearenon-safety relateditems.Thepushbuttons inquestionarelargeandinadvertent activation oftwoatonceisnotlikely.Nofurtheractionisintended.

CATEGORY5.Controlsnotarrangedbyimportance orfrequency ofuse.28

STLUCIEUNIT52CONTROLSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description CONTROLCODING1.Keyoperatedswitchesarenotconsistently colorcoded.STATUS2.IMPLEMENTATION CATEGORY2.Keyoperatedswitcheshaveunlabelled positions.

3.Flagsonbreakercontrolsareobscuredbycontrolhandles.29

WgESTLUCIEUNIT52CONTROLSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscreancDescritionSTATUSIMPLEMENTATION CATEGORYCOLORCODING(Cont.)4.Coversonalllegendpush-buttonsareinterchange-able.l,25.Directional arrowsontopofT-handleRESETcontrols-arethesamecolorastherestoftherestofthehandle.36.Anumberofrotaryselector2switcheshavedirectional markingsorarrowswhicharenotpresently filledwithacontrasting paintpigment.7.Controlhavenodifferen-tialcodingforpumps,fans,orvalves(exceptinlabelwording).

N/APresently thereisnoactionintended3inthisarea.Itisfeltthataddi-tionalcodingwouldplaceseverere-striction withlabelvisibility andwouldnotenhancepresentoperatoreffectiveness.

30 I

Illa'WWWWWWgEWWWWSTLUCIEUNIT02ANNUNCIATORS HUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description ANNUNCIATOR INFORMATION UNCLEARORNOTPROVIDEDSTATUSIMPLEMENTATION CATEGORY1.Thereareanumberofunnecessary annunciators.

2.Therearenoannunciators fortheHydrazine system.'.Someannunciators usedinstartupwillbenormallyonduringfullpowersituations.

4.Theonlyindication thatanannunciator hasbeenclearedistheextinguish-mentofthelight.N/AThepresentannunciator systemisconsistent withFPL'sstandarddesign.Clearingofanannunciator isindica-tiveofabacktonormalcondition whichdoesnotrequireoperatoraction.Noactionisintendedatthistime.31 M'WWWWWWWWWMSTLUCIEUNIT02ANNUNCIATORS HUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc DescritionPRIORITIZATION NOTPROVIDEDSTATUSIMPLEMENTATION CATEGORY1.Permissive displaysarelocatedonannunciator panelswhichshouldbereservedforalarmdisplays.

N/AThesepermissives alerttheoperatortochangingconditions whichrequirehisattention oraction.FPLfeelsthesealarmsareproperlylocatedandnofurtheractionisintended.

2.Important annunciators arenotcolororpositioncodedexceptonannunciator panelC.Thatpanelisalsotheonlyonewithafirstoutresetfunction.

32 IIIIII

~g~~~~~~~Hl~~~~~~8$+~'TLUCIEUNIT42ANNUNCIATORS HUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc DescritionANNUNCIATOR TITLESDIFFICULT TOREAD/INTERPRET l.Annunciator fontsizeisnotsufficient forreliable.

reading,particularly atdistances greaterthanseveralfeet.STATUSIMPLEMENTATION CATEGORY2.Manyannunciator titlesaretoowordy.3,433 II STLUCIEUNIT52ANNUNCIATORS HUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc DescritionANNUNCIATOR CONTROLSMISLEADING STATUSIMPLEMENTATION CATEGORYl.Annunciator buttonlabelsareunreadable.

2.Locationofsimilarbuttons5isnotthesamefrompaneltopanel,andtheyarenotinthesameorderfrompaneltopanel.3.Annunciator pushbuttons areinconsistently labelled.

Summarylabelsaresome-timesused,sometimes missing.Abbrevations areusedinconsistently.

34

STLUCIEUNIT52ANNUNCIATORS HUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description INCONSISTENT ANNUNCIATOR LAYOUTSTATUSIMPLEMENTATION CATEGORYl.Annunciator windowsarenotabovethesystemstheyaddress.4,535

STLUCIEUNIT52ANNUNCIATORS HUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description AUDIBLEANNUNCIATORS POORLYCODEDSTATUSIMPLEMENTATION CATEGORYl.Annunciator audiblesarelocatedbehindthepanels,makingitdifficult foroperators tolocalizethealarm.2.Annunciator audiblessoundatambient(basal)noiselevels.36

5 STLUCIEUNIT02DISPLAYSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc DescritionCODINGISUNCLEARORMISLEADING STATUSIMPLEMENTATION CATEGORY1.Twoofthethreelightsassociated witheachofthelistedswitchesarered.2.Verticalscaleindicator lightshavemultiplemeanings.

Thesamelightcanmeaneither"highset-pointexceeded",

or"scalepoweron".3.Labelsforrotaryswitchcontrolpositions arenotorientedhorizontally andpositionlabelsareob-scuredbythecontrolhandle.4.Becauseofthelayoutofdisplaysandlabels,un-relateddisplaysappearrelated.1,237 STLUCIEUNIT52DISPLAYSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscreancDescription LACKOFLAMPTESTING/LAMPADJUSTABILITY STATUSIMPLEMENTATION CATEGORY1.Therearenolamptestingcapabilities forsimpleindicator lights,legendlights,ortheCEAPositionDisplay.2.ThereisnodimmingcontrolN/Aforilluminated displays.

Ambientlightingconditions willeitherbeinthenormalcondition ortheemergency lightingcondition.

Presently thedisplayillumination isnotfoundtobedistracting duringthereduced'lighting condition.

Brighterdisplaysaredesirable duringthetransition periodwhiletheoperator's eyesarestilladjusting tothelightingconditions.

FPLintendsnofurtheractionatthistime.38

~gSISTLUCIEUNIT<<2DISPLAYSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description STATUSIMPLEMENTATION CATEGORYDISPLAYINFORMATION ISOBSCURED1.LEDsarenotconstructed tominimizereflection ofambientillumination fromthedisplaycover.2.ExtremevaluesareobscuredN/Aonverticalmetersduetometerdesign.3;Thepointersonallprocesscontroller verticalscalesandallcircularmetersobscurescalenumerals.

Meterswereselectedsuchthatindi-5catorsoperateinthemid2/3ofthescale.ThePostAccidentinstruments havebeenintegrated intothecontrolboardsuchthattheoperatorshouldhaveacomprehensive viewofthecontrolboardfromhisdesklocation.

Theoper-3atorcanviewthesenumeralsaboveandbelowthepointertodetermine meterreading.AnOFFnormalcondition shouldbereadilyvisiblefromthisvantagepointatwhichtimehewouldbeabletomakeamoredetailedin-vestigation andassessment ofthesituation.

NofurtheractionisintendedwithregardtoItems2and3.39

STLUCIEUNIT02DISPLAYSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description DISPLAYINFORMATION ISOBSCURED(Cont.)4.Glaremakesdisplaysdifficult toread.STATUSIMPLEMENTATION CATEGORY5.Displaysarelocatedwellaboveeyelevel.N/ATheseitemsrequirenooperatorinter-4faceduringnormalplantoperation.

Theyprovidenocontrolfunctionandtheirrelocation wouldnotimprovetheoperatoreffectiveness duringnormalorOFFnormaloperating conditions.

FPLintendsnofurtheractionwiththisitem.40

STLUCIEUNIT02DISPLAYSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc DescritionDISPLAYED INFORMATION ISDIFFICULT TOINTERPRET ORREADSTATUSIMPLEMENTATION CATEGORY1.MultipledecimalpointsappearonNIXIEtubedisplays.

2.Codingisnotusedonmultiplescaletrendre-corderstodenotewhichscaleisassociated withwhichtrendinformation.

3.Smallverticaltrendre-cordersonCRpanelsuseindiceswhicharedifficult to-readandhavenoscalemarkings.

4.Therearemorethan9minormarksonmanylargetrendrecorders.

N/ATheserecorders providetrendinformation totheoperatorsuchthathecandetermine anOFFnormalcondition, ataglance.Hethencanmakeadetailedinvestigation.

FPLfeelstheinstruments areproperlyselectedandintendsnofurtheraction.41 ii~I STLUCIEUNIT42DISPLAYSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description DISPLAYED INFORMATION ISDIFFICULT TOINTERPRET ORREAD(Cont.)STATUSIMPLEMENTATION CATEGORY5.MajormarksonsmallverticalN/Aindicators arelessthan.5inchapart.Ahighlevelorlowlevelalarmisannunciated atwhichtimetheoperatorwouldmakeamoredetailedinvesti-gation.Presently, FPLintendsnofurtheractiononthisitem.6.Information fromsomever-5ticalindicators, trendre-cordersandprocesscontrollers isnotpresented inadirectlyusableform(valuesmultiplied byaconstant.)

7.Paperontrendrecorders doesN/Anotmatchscale.42

sg~~~~~~~galSTLUCIEUNIT02DISPLAYSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description DISPLAYED INFORMATION ISDIFFICULT TOINTERPRET ORREAD(Cont.)STATUSIMPLEMENTATION CATEGORY8.ParallaxexistsbetweentheN/Adisplayscaleandthepenontrendrecorders.

Theserecorders showtrendinformation 2andarenotindicators.

Thechart.paperisscaledandthetrendcomparedoversomeperiodoftime.Presently, FPLintendsnofurtheraction.9.Radiation monitortrendrecorders areoftheimpactvariety.Portionsofthenumericsymbolsdonotprint,symbolsareprintedoveroneanother,andtherearetoomanysymbols(upto23onanindividual recorder),

makingtheoutputimpossible tointerpret.

NOTE:Theradiation monitoring systemforUnit2isdi'fferent thanUnitlandwillbere-evaluated forthisitem.N/A43

STLUCIEUNIT02DISPLAYSHUMANFACTORSENGINEERING DISCREPANCY REPORTSDiscrepanc Description DISPLAYLAYOUTISMIS-LEADING,DIFFICULT TOUSE1.Stringsoffiveormoreverticalmetersareused,whichmakesthemid-string components difficult toidentify.

STATUSl,2IMPLEMENTATION CATEGORY44

2.3SPECIALANDOTHERTOPICSSeveralareasofcontrolroomreviewwereaddressed byevaluating components andenvironment intheSL-1CR,sincetheassociated equipment orstateofCRcompletion prohibited thetakingofdatainUnitNo.2.Theseareasarediscussed inthissectionalongwithcommentsandscheduling ofrepairs.2.3.1DiitalDataProcessin Sstem(DDPS)andSeuenceofEventsRecorder(SER)TheDDPStobeinstalled inUnitNo.2istobeopera-tionallyandvisuallyidentical tothesysteminstalled onSL-1.Thefollowing areresponses tothenotedHED's.A.Someoftheinformation providedbytheDDPSisforuseB.bythereactorengineering department.

Someconversa-tionsanddescriptions havebeenprovidedattheterminaloutputsuchthattheoperators canusetheinformation ifdesired.Presently nofurtheractionisintendedwiththisitem.Category3Theprojection displaysaresubject,to pooruniformity ofbrightness andpoorbackground contrastaswellasincomplete displayduetonormalfailureand/oragingofdisplaybulbs.FP&Lwilladdresstheproblembyimproving maintenance ofthebulbs.Category545 2.3.lC.FP&Lhasrequested theirInstrumentation andControlD.grouptoreviewthepossibility ofmodifying thesoftwaresuchthatthehourlylogwillhaveunitsindicated ontheheadingcolumn.Category3TheoriginalsoftwareprovidedwithDDPScrossrefer-encesaddresslocations withdescriptions.

Presently consideration isbeinggiventoperforming apre-liminaryscopeofsyntaxreviewontheDDPS;however,adetailedstudyandimplementation couldnottakeplaceuntiltheoverallplantsyntaxreviewiscompleted.

Presently thesyntaxreviewisscheduled forcompletion sometimepriortofuelloadandtheDDPSreviewcannotE~startuntilsometimeafterwithimplementation depen-dentonsoftwaredevelopment andcompatibility oftermswithcurrentprogramaddresses.

Theearliestprojectdateforimplementation isthefirstrefueling.

Category4TheDDPSprintercanbeadvancedafewlinesbytheoperatortoviewthelastlineofoutput.FPSLintendsnofurtheractionwithregardtothisitem.Category446 2.3.1F.Presently therearenoprovisions inthesoftwaretoprovideforhighlights bycolor,labelsorother\means.TheInstrumentation andControlgrouphasbeenG.requested toperformapreliminary scopetodetermine

'feasibility ofsuchaneffort.Preliminary scopingistobecompleted priortofuelload.Category5TheSequenceofEventsRecorderdoesoutputintimesequencestartingwiththefirsttimeflaggedeventandendingwiththelast.Whenademandlogofthepreceeding eventsisrequested itcanbeinterrupted byanincomingalarm.Presently FP&Lintendsnofurtheractiononthisitemsincetimesequencing issufficient todetermine thecauseoftripandchainofeventsfollowing.

2.3.2ControlRoomEnvironmnt andLaoutSL-lwasusedtoevaluateCRenvironment intermsoflightingandnoise.Thesedataaredeemedsomewhatgeneralizable totheSL-2controlroomforthefollowing reasons:47

0Lightingsystemsarehighlysimilar.Exceptions include;1)useofcoloredlightsinsomeplacesintheSL-1CR,and2)reducedlightingachievedbyoperators intheSL-1CRbyturningoffseveralbanksoflights.Theseexceptions willreduceincidence lightinthecontrolroom.Lightmeasurements weretakenundertheaboveconditions.

LayoutsoftheCRsishighlysimilar,asareplacements ofnoise/sources suchasvents,coolingfans,etc.,locatedwithinthecontrolroom.Itispointedout,however,thatsoundattenuating featuresareevidentintheSL-1CR(wallpanels),whichmaynotbeprovidedinSL-2.Further,noisesourcesoutsidetheSL-2CR(forexample,theturbine)willprobablyhavedifferent effectsonCRambientnoise.NoisedatafromSL-1aresomewhatmoresuspectthanambientlightingdata.Workspace arrangement andvisibility observations werealsotaken,inpart,fromtheSL-1ControlRoom.SinceoverallCRlayoutsarehighlysimilar,thesedataareconsidered generalizable totheSL-2CR.

Surveyresultsindicatethatambientlightinglevelsaregenerally good.Incidentlightinthemainoperation arearangedfrom68to107foot-candles inthebenchportionoftheboards,and38to54foot-candles ontheverticalportionoftheboards.Lightinglevelsbehindthecontrolboardswassomewhatless,aslowas22foot-candles.

Incidentlightatthereactoroperator's consolewasmeasuredtobe87foot-candles.

Withalllightsturnedon,amaximumof170foot-candles wasnotedbythereactoroperator's desk.Onepotential areaofconcernisincidentlightuniformity onthemainboards.Nonuniformity ofincidentlightdoesnotappeartoposeaproblem,however,totheoperators.

Aproblemnotedwithlightingwasthattherearenodirectmeanstotesttheoperability ofemergency CRlighting.

FPGLisexamining meanstoprovideemergency lightingtestcapability.

Ambient(basal)noisewasgenerally withintheNUREG1580Guidelines.

Onepointoverthesafeguards panelmeasured67dB(A),twodB(A)abovetheGuidelines'imit.

Thisisnotconsidered tobeexcessively abovethelimit.However,theremayexistotherunidentified noisesourcesinSL-2,orfewernoisesources.Directevaluation ofSL-2noiselevels49

cannotbemadeuntiltheunitisoperational.

Peaknoiselevelsreached80dB(A)atthesafeguards panel.Theprimarysourceofnoiseseemedtobealowfrequency resonance comingfromtheturbinedeck.Twoareasofconcernwhichwereidentified inCRlayoutareasfollows:A.Thehandrailrunningalongthefrontofthebenchboard obscuresvisiontomanycontrolsanddisplays.

ThehandrailforSL-2willbedesignedandinstalled suchthatobscuring visiontocontrolsanddisplayswillnottakeplace.B.Portionsoftheradiation monitorsandHVACareobscuredbyotherboards.Theradiation monitoroperators controlconsolewillbeplacedsuchthattheoperatorisallowedeasyaccess.TheobscuredportionoftheHVACpaneldoesnotcontainanyinformation whichwouldberequiredbytheoperatorwhileperforming anytaskinareasofthecontrolroomwherethelineofsighttothepanelisimpaired.

ItshouldbenotedalsothattheHVACcontrolsanddisplayforSL-2arenotlocatedinthesamelocationonSL-l.FPGLpresently plansnofurtheractiononthisitem.50 2.3.3Communication Thecommunication systemforSL-2has,asyet,notbeendesignedintermsofcontrolroomlocations,

accesses, etc.Further,thecommunications consoleinSL-1isbeingredesigned andwillbereproduced onSL-2.FP&Lhasrequested EssexCorporation toreviewandcommentonthepreliminary designwhenitismadeavailable.

Anevaluation ofCRcommunications hasnot,asofthisdate,beencompleted.

2.3.4PersonalProtective GearEvaluation ofpersonalprotection equipment wasconducted intheSL-1controlroom.Thegear,storageandpackaging istobethesameinSL-2.Thefollowing areresponses tothenotedHED's.A.Therespirator andairpackfacemaskspresently inuseareofstandarddesign.Theprotective coveringoverthelenseiseasilyremovedpriortoplacingthemaskonandprovidesnoobstruction.

FPaLpresently plansnofurtheractiononthisitem.51 I

2.3.4B.ThefacemasksusedatSt.Luciearecapableofraccepting theoperators eyeglassesaswellastheC.D.corrective lensesdesignedforusewiththemask.Thecompanypurchased corrective lensesaremaintained bytheHealthPhysicsgrouptoassuretheiravailability toproperlyauthorized personnel.

FP&Lpresently plansnofurtheractiononthisitem.FP&LHealthPhysicsgroupwillberequested toscopeandevaluatetheuseofadditional speechcommunication devicespriortofuelload.FP&Lwillincorporate fullpackagedsuitsintotheiremergency clothingprogramforthecontrolroom.2.3.5Procedures Documents Emergency procedures fortheSL-2CRwereunderpreparation atthetimeofreview.FP&Lwillgeneratethefollowing emergency procedures basedonCE.guidelines forNRCCRDRauditreview:oMainSteamLineBreakoBlackoutoperation oLossofReactorcoolantoSteamGenerator TubeRupture52 2.3.5Theseprocedures arebeingwrittenusingaformatdiscussed inthereport,ReviewofEffectiveness ofEmerencProce-duresfor0eratorUse,writtenbyLundConsulting, forCombustion Engineering.

Theformatbeingemployedisthe"LayeredFormat,"suggested bytheauthorsasbeingpreferably tonarrative typeformat(asisusedinSL-1).Further,language, syntax,andnomenclature istobeconstrained toachieveconsistency.

FP&Lhastakenthispositioninordertoexpeditetheirprocedure preparation effortinatimelyandeffective manner.Essexhasnotcurrently reviewedtheprocedures, norreviewedindepththedocumentfromwhichtheprocedure formatisbeingselected.

Walkthroughs usingtheemergency procedures havenotbeenconducted.

However,theNRChasconducted areviewoftheCEGuidelines andFP&Lispreparing thoseemergency operating procedures requiredfortheprelicensing inaccordance withthesubjectreviewedprocedure guidelines.

Essexwillreviewasampleofprocedures whileperforming thedetailedsystem/task analysisreviewpresently scheduled tostartafterSL-1'sdetailedreviewiscompleted inlateNovemberof1981.53 III 2.3.6Radiation MonitorsTheradiation monitoring systematSL-2wasnotavailable atthetimeoftheevaluation.

Theradiation monitorsinSL-1isnotrepresentative ofthoseplannedforSL-2.Theunitstobepurchased forSL-2aredesignedandbuiltbytheGeneralAtomicsCompany(GA).Anindication ofthehumanengineering oftheseunitsisprovidedinAppendixBoftheattached.EssexReport.Theevaluation wasconducted, initially, fortheCarolinaPowerandLightCompany.Thesystemevaluated byEssexissimilartothestandardGAunitwhichwaspurchased fortheSL-2controlroom.TheEssexreport,alongwithAppendixB,willbeforwarded toEbascoforadetailedreview,evaluation andscopingofachievable backfitstotheGAunits.3'CONCLUSIONS/RECOMMENDATIONS Avarietyofhumanengineering discrepancies havebeennotedintheSL-2controlroom.Backfitstobeconducted atSL-2byFPaLwillgreatlyenhanceoperability oftheCR.Forsystemsnotevaluated (e.g.,communications) duetouncompleted designs,FPGLcommitment toachieveadequateHEdesignpriortofabrication shouldservetoavoiddiscrepancies and,therefore, enhanceoper-ationofthesesystems.Wherediscrepancies havebeenidenti-fied,butappropriate andsuitablebackfitshavenotbeenidenti-fied,furtherexamination ofthediscrepancies isrequiredinordertoselectandschedulebackfits.

54

APPENDIX1

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