ML17054B512

Vols 1 & 2 of Rept of Findings of Independent Review of Key Technical,Interface & Const Concerns.

ML17054B512
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Site:	Nine Mile Point
Issue date:	05/13/1985
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REPORTOFFINDINGSOFINDEPENDENT REVIEWOFKEYTECHNICAL, INTERFACE ANDCONSTRUCTION CONCERNSNINEMILEPOINTNUCLEARSTATION-UNIT2NIAGARAMOHAWKPOWERCORPORATION VOLUMEIPreparedbySTONE&WEBSTERENGINEERING CORPORATION NEWYORKOFFICEJ.O.NO.12177.73May13,1983ReviewProjectEngineer5<</3gdA.A.Patterson 850328DCK05000400543850322PDRADDPDRASToNr.&WaoSTRR Pk TABLEOFCONTENTSVOIUMEISection1.02.02.12.22.32.42.52.62.72.82.92.102.113.03.13.23.33.43.53.63.73.84.04.14.24.34.44.54.64.74.85.05.15.25.35.45.55.65.75'5.9TitleINTRODUCTION ANDOBJECTIVES CONCEUSIONS GENERALSERVICEWATERSYSTEM-GENEEulLONSITEEMERGENCY ACPOWERSYSTEM-GENERALPOWERELECTRICAL CONTROLSYSTEMSENGINEERING MECHANICS STRUCTURAL EQUIPMENT QUALIFICATION INTERDISCIPLINE COMMUNICATION CONSTRUCTIBILITY SCOPEOFWORKPOWERELECTRICAL CONTROLSYSTEMSENGINEERING MECHANICS STRUCTURAL EQUIPMENT QUALIFICATION INTERDISCIPLINE COMMUNICATIONS CONSTRUCTIBILITY METHODOIOGYPOWERELECTRICAL CONTROLSYSTEMSENGINEERING MECHANICS STRUCTURAL EQUIPMENT QUALIFICATION INTERDISCIPIINE COMMUNICATION CONSTRUCTIBELITY DETAILEDRESULTSPOWERELECTRICAL CONTROLSYSTEMSENGINEERING MECHANICS STRUCTURAL EQUIPMENT QUALIFICATION INTERDISCIPLENE COMMUNICATIONS CONSTRUCTIBILITY STATISTICAL RESULTS~Pae2-12-12"12-12-22-32-42-42-52-52-62-63~]3-13-43-63-73-93-93-103-104-14-14-14-24-24-34-34-34-45-15-15-55-95-125-165-195-205-215-27STQNKthWcssTKR Il.

APPENDIXPOTENTIAL DISCREPANCY IOGCONSTRUCTIBILITY REVIEWFINDING'OG POTENTIAL DISCREPANCY FORMSCONSTRUCTIBILITY REVIEWFINDINGSShoveCkWaseca I

1.0INTRODUCTION

ANDOBJECTIVES Ataskforcewasformedtoprovideanindependent designreviewofspe-cifictechnical areasofengineering, design,andconstruction activities ontheNineMilePoint"NuclearStation-Unit2(NMP2).Thereviewwasauthorized byNiagaraMohawkPowerCorporation (NMPC)initsLetterNo.5668datedFebruary1,1983.Thereviewwasperformed byanindependent Stone6WebsterEngineering Corporation (SWEC)taskforcecomprised ofengineers notconnected withtheNMP2Project.Theyusedthelatestrevisions ofalltheapplicable projectdocuments describing thesystems,equipment, structures, andpro-ceduralandconstruction concernsinthescopeofwork.Theleadengineers onthetaskforceallhavehadsupervisory experience orhaveservedinleadengineercapacities onseveralnuclearprojects.

Theyaretechnically qualified inallphasesofengineering anddesignintheirspecificdiscipline.

Thereview,conducted over12weeks,coveredsignificant portionsoftwoimportant plantsafety-relate'd systemscategorized by62specifictasks:theservicewatersystemandtheonsiteemergency acpowersystem.Inaddition, theflowofdesigninformation andtheprocessofincorporating changesintotheengineering, design,'nd construction ofplantsystemsandstructures werereviewed.

Thereviewteamrepresented eachmajortechnical discipline (power,electrical, controlsystems,engineering mechanics, andstructural) aswellasconstruction.

Supported bysevensupportengineers duringthepeakreviewperiod,thereviewteamappliedapproximately 3,700man-hours toreviewmorethan450documents, inaddi-tiontoreviewing applicable sectionsoftheFinalSafetyAnalysisReport(FSAR).Thereportconsistsoftwovolumes.Thisvolumeincludestheintroduc-tionandobjectives, overallconclusions bothonaspecifictaskbasisandadiscipline basis,scopeofwork,reviewmethodused,anddetaileddescriptions ofeachtaska'ndrelatedfindings.

Allthepotential dis-crepancyreportsandconstruction findingsareincludedintheappendixofthisvolume.Alltheprocedures usedtoperformthereviewareincludedinthesecondvolume.Thesystemsselectedhaveahighdegreeofimportance toplantsafetyandarecomposedofdiversediscipline tasks.Includedareawiderangeofactivities thatSWECexecutestoengineer, design,purchase, anddefineconstruction requirements.

Thesesystemswereselectedonthebasisthattheengineering wasclosetocompletion andhasundergone arepresenta<<

tivechange.process.Thesesystemswerealsousedtoprovidedataforevaluating theinter-discipline communication processandmakingjudgments ontheconst'ruc" tibilityofdesigns.ThesesystemswereexpectedtoprovideanadequatesampleofNMP2Projectengineering, design,andconstruction activities inordertoprovidefindingsreprese'ntative ofamoreextensive review.STONcthWcesTKR Ill Thethreespecificareasthatthisreviewencompassed were:Technical

-plantsystems-Servicewatersystem-Onsiteemergency acpowersystem~Interdiscipline communication

~Constructibility ofthedesignsEachofthetwoplantsystemswerereviewedtoensureconformance toapplicable designcriteriaandFSARcommitments, andtheabilitytoper--formitsintended-function.

Selectedcomponents werereviewedfortheircompliance withtheprojectequipment qualification program.Eachsystemwasreviewedforcompliance withtheapplicable post-TMIrequirements definedinNUREG-0737 andforsinglefailures, including areviewoftheFailureModesandEffectsAnalyses(FMEA).Interdiscipline communication considered-theproperflowofengineering information frominception tofinaldesignandthatthepropercommunica-,

tionanddataflowexistbetweenallengineering disciplines, designfunctions, vendors,and.theconstruction site.Inaddition, thechangecontrolprocesswasreviewedtoconfirmthatallengineering changeswereincorporated intotheprojectdocuments asrequired.

Documents andprocedures, wererevi'ewed forconstructibility inaccordance withthefollowing criteria:

~Minimizetheeffectsfromsupportinterferences

~Documents defineconstructible designs~Documents areclearandcompleteTheconstructibility reviewalsoconsidered theimplementation ofthesuggested actionscontained intheTaskForceReportonReviewofPipingErectionProblems, issuedMarch19,,1981(referred toastheITTGrinnellReport).OpenItemReports(OIRs)wereissuedifanapparentinconsistency wasfound;thatisafailuretomeetastatedcommitment and/orthatthesys-temorprocedure wouldnotperformtherequiredfunction.

IfanOIRremainedunresolved, itwasthenissuedasaPotential Discrepancy (PD).Twenty-seven Potential Discrepancy Reportswereissued.Thesereportssummarized thebasicreviewfindingsinspecificterms.Thedevelopment ofrecommended corrective actionswasnotincludedwithinthescopeofthisreview.1-2STONE8WcSSTCR IlII

2.0CONCLUSION

S 2.1GENERALThereviewresultedinnumerousfindingsofdifferent relativeimpor-tance.'his sectiondescribes theconclusions drawnfromthefindingscontained inSection5.ofthisreport.Thetwoplantsystemsreviewedwilloperateinaccordance withtheirrequirements asdefinedintheFSAR;however,somenoncompliance withDesignCriteriaandFSARcommitments wasfound.Detailedconclusion statements foreachsystemandforeachdiscipline arelistedinthissection.Areviewofinterdiscipline communication concernsrelatingtotheflowofdesigninformation betweenalldisciplines, including vendorsandcon-struction groups,indicates theprojectgenerally isfollowing theiradministrative procedures andthatadequatecommunication exists.Thereareconclusion statements inthissectionthatoutlineseveralspecificconcerns.

The.reviewofconstructibility concernsindicates thattheconstruction schedulecanbemaintained, althoughthereareseveralspecificareasthatneedimprovement tofurtherensuremeetingtheschedule.

Thesecon-cernsareoutlinedinthissection.2.2SERVICEWATERSYSTEM"GENERALBasedonthereviewresultsforthesafety-related modesofservicewatersystemoperation, itcan.beconcluded thatthesystemhasbeenadequately designedtoservicetheplantcoolingrequirements.

Thepipingandpipesupportdesignoftheservicewatersystemappearstobeadequatefortherequiredservice.However,forsomepipestressandsupportdesigns,furtherdocumentation mayberequiredtodemonstrate compliance withallFSARcorn'mitments.

Ageneralrevisionoftheservicewatersystemhydraulic calculations iscurrently beingconducted toaccountforsmallborepipingdesignandotherchangestothesystemserviceinrecentyears.Thisanalysisisproceeding inareasonable manner.Theresultsshouldbecarefully moni-toredforpossibleimpactonplantdesign.2.3ONSITEEMERGENCY ACPOWERSYSTEM"GENERALThereviewoftheonsiteemergency acpowersystemhasindicated thatitwillperformtheintendedfunctionasdescribed intheFSAR.However,themarginavailable undercertainoperating modes,e.g.,auxiliary boilertransformer supplying theemergency bus,islow.Somedeviations fromDesignCriteriaandFSARcommitments werefound,andtheseneedtoberesolved.

2-1SToNK8WR$$TER IIIII 2.4POWER2.4.1Exceptforaminordiscrepancy incoolingloadversuscommitted servicewaterflowforthedieselgenerator controlrooms(seeSection5.1.2.1),

servicewaterflowratescommitted tointheFSARareadequatetomeetthespecified coolingrequirements oftheessential components listedinTable9.2-1.2.4.2Theservicewatersystemdesigntemperature andpressureareadequate.

2.4.3ThereisadequateNPSHandpumpsubmergence forallcrediblemodesofservicewatersystemoperation.

2.4.4Thedesigntopreventfreezingattheoffshoreandonshoreintakesisadequate.

2.4.5Thedesigntoutilizeoneofthetworedundant intakestructures todis-chargeservicewaterifthenormal'discharge pathisunavailable forserviceisadequate.

2.4.6Biological foulingoftheservicewatersystembyAsiaticclamsisnotaconcernfortheNMP2site.2.4.7TheTMXrequirements thatrelatetocoolingprovidedbytheservicewatersystemarebeingmet.2.4.8Valvesomittedintheservicewatersystemfailureanalysismustbeincludedforcompleteness tocomplyments.However,theeffectsofincluding andassumingtheomittedvalvesisnotexpectedtoleadtocompleteternfailure.modesandeffectswithNRCrequire-singlefailuresofservicewatersys-2.4.9Adequateventilation hasbeenprovidedintheservicewaterpumpbays;however,abackupcalculation isneededtocompletethepapertrail.2-2sToNcAwcB$TERARk IIII 2.4.10Engineering ChangeNotices(ECNs)arebeingeffectively incorporated intotheservicewatersystemflowdiagrams.

2.4.11Exceptforminordiscrepancies, ventilation suppliedinsupportoftheonsiteemergency powersystemappearstobeadequate.

2.4.12Thecalculations forthestandbyandHPCSdieselgenerator fueloilstor-ageandoiltransferpumpcapacitydonotcurrently demonstrate com-pliancewiththerequirements ofANSIStandardN195-1976.

TomeettheFSARcommitments inthisregard,thecalculations mustberevised.2.4.13Specification No.NHP2-E031A, DieselGenerator, requiresanupdatingofitsdatasheetstoreflectactualinterface dataforairstartupandcoolingwater.2.4.14Singlefailuresidentified intheFMEAanalysesforsystemssupporting onsiteemergency acpowersystemsarebeingadequately addressed bytheproject.2.5ELECTRICAL 2.5.1Electrical calculations incertainareasdidnotcomplywiththeFSARcommitments andDesignCriteriarequirements.

2.5.2Acalculation tosupporttheminimumcablesizeselectedforshort-circuitdutyinElectrical DesignCriteriaEDC-4doesnotexist.2.5.3Themainone-linedrawingswereconsistent withtheFSARcommitments.

Portionsoftheemergency 4.16-kVbusone-linedrawingswereinconsistent withtheFSARcommitments andESKs.2.5.4Theelectrical specifications areingeneralcompliance withFSARrequirements andcalculation results.2-3STONC&WcNSTKR I'III 2.6CONTROLSYSTEMS2.6.1Thelogicsystemandelectrical elementary designareingeneralagree-mentwiththeFSARoperational requirements.

However,basedonthenum-berofminordiscrepancies identified, additional checkingshouldbeper-formedtoprovideassurance thattheelectrical construction drawingshavenotincorporated theseinconsistencies.

2.6.2Themaincontrolboarddesignwillnotmeetcertainguidelines ofNUREG-0700 concerning HumanFactorsReview;modifications mayberequired.

InFSARSection1.10,theNMP2projecthascommitted toafinalcontrolroomdesignreviewbasedonguidelines ofNUREG-0700 during1983or1984.2.6.3Specialservicecontrolvalvesarebeingpurchased basedonunverified results.Vendorcalculations arerequiredtoensureproperfunctionwithinsystemrequirements.

2.6.4Althoughone*potential discrepancy wasidentified, theinstrument designdrawingsweregenerally inaccordance withacceptable designpractices andreflected theproperflowofengineering information.

2.6.5Additional verification isrequiredtoensurethatinstrumentation para-metersarecompatible forequipment withinthesamemeasurement loop.2.7ENGINEERING MECHANICS 2.7.1Servicewaterpipingappearstobeadequately designedandmaximumstressesarewithinallowable stressesasspecified intheFSARandASMEIIICode.However,someadditional documentation isrequiredinordertodemonstrate thatallnecessary FSARcommitments havebeencon-sidered.2.7.2Thepipesupportdesignappearstosatisfyitsintendedfunction, althoughnotalldesignloadswerecurrent.Insomevariablespringhangerdesigns,documentation wasunavailable toconfirmwhethertheFSARcommitment todesignfordynamicmovements ismet.Areviewisrequiredtoverifythatthevariablespringhangerscanaccommodate dynamicmove-ments.2-4STQNcttWK8$TER IIIII 2.7.3Theservicewaterpumps,thermalreliefvalves,and4,160-Vmetal-clad switchgear arequalified toperformtheirsafety-related functionduringapostulated seismicevent.2.7.4Calculations thatprovidethedesigninputloadstothesuppression poolhydrodynamic ARSgeneration aresatisfactory.

2.8STRUCTURAL 2.8.1Withtheexception ofthescreenwell buildingdischarge baywalls,thereviewof'tructures waslimitedmainlyt'osecondary structures suchasembedment plates,cabletraysupports, andconduitsupports.

Thereviewresultsweresatisfactory intheareasreviewed.

2.8.2Thedetermination oftheallowable loadsonstandardembedment platestoincludetheflexibility criteriaofNRCIEBulletin79-02hasnotyetbeencompleted, butitappearsthatanappropriate analytical methodisbeingused.,ThesedatawillbeusedinafutureStructural Verification Programinwhichalloftheappliedloadsfrom'pipe

supports, cabletrayandconduitsupports, andseismicductsupportsoneveryembedment platewillbecompiled.

Alloftheembedment platesthenwillbecheckedfortheirabilitytoresisttheappliedloads.*Thedesignmethodsusedforthecabletraysupportsandconduitsupportswerefoundtobe'orrect, buttheimpactofthenewseismicamplified responsespectraonthedesignsmustbeassessed.

Newseismicamplified responsespectraandprofileswereissuedfortheprimarycontainment andthereactorbuildinginDecember1982.Stilltobeassessedisthepos-sibleimpactofthenewresponseprofilesonthestructures.

2.8.3Thedesignofthedischarge baywallsinthescreenwell buildingwasreviewedandfoundtoprovideadequatestrengthtoresisttheappliedloads.2.9EQUIPMENT QUALIFICATION TheEquipment Qualification Programhasthemechanics toprovideadequatesupportofFSARSection3.11commitments; however,procedures fortheimplementation oftheprogramarelackinginboththeprojectandEquip-mentQualification Sectionareas.Documents thatwillprovidetheneces-sarycontrolsanddirections fortheimplementation oftheprogramareinreviewandapprovalcyclesandmustbeissuedforuseassoonaspos-sible.Adherence tothesenewdocuments andprocedures willbenecessary toensurecompletesupportoftheFSARSection3.11commitments.

2-5STONC0WcBSTKR IIIII 2.10INTERDISCIPLINE COMMUNICATION Theinterdiscipline communication reviewhasindicated that,ingeneral,theprojectisfollowing acceptable administrative procedures andthatadequatecommunication existsbetweenvariousprojectdisciplines.

Theinterdiscipline communication findingslistedinSection5.7willnothaveanyadverseimpactonthedesignphaseandsubsequent construction effort.2.11CONSTRUCTIBILITIt'.11.1 ITTGrinnellReportTherecommendations oftheMarch1981reportforimproving theITTGrin-nellefforthavebeenimplemented.

Thereisroomforcontinued improve-mentand'theneedtobeginconcentrating onsystemcompletion.

2.11.2SupportsInterferences Thereisnogenericproblemcausingproject-wide supportsinterferences.

Themanyreportedinterferences arenotatypicalgiventheproject's sizeandcomplexity.

Limitations imposedbyprojectdocuments onconstruction resolution ofCategoryIorseismicsupportinterferences, paxticularly conduitsupports, hascontributed tothenumberofreportedinter-ferences.

Inaddition, reworkofelectrical conduittoclearinter-ferenceswithsupportsmaybe30percentforscheduled conduitandmore-forunscheduled conduit.Theoverallinstallation scheduleshouldnotbeaffectedprovidedcon-tractorsandsiteengineering acknowledge thescopeofexpectedinter-ferencesandworktogetherforatimelyresolution ofthem.Anyaddi-tionalflexibility giventotheconstruction forcestoresolveinter-ferencesthemselves, withoutengineering involvement, wouldhelpinachieving theoverallconstruction schedule.

Theconstructibility ofthesystemssupported byembedment plates,suchaspiping,cabletrays,conduits,

'andseismicductworkcouldbeaffectedbytheresultsofthefutureStructural Verification Program.Theresultsoftheprogramcouldpossiblyshowanoverstress'ondition inexistingplates,leadingtorequiredsupportchanges.Itisimportant thatthetimingoftheprogrambesuchthatanyrequiredsupportchangescanbemadewithoutimpacting theconstruction schedule.

2.11.3Installation Practicality Theengineering productsarebyandlargeconstructible andgenerally provideforapractical installation.

Therelatively fewfirst-issue documents remaining tobeissuedandthoserequiring revisiontobring"themto100percentcomplete, e.g.,Cate-goryI/seismic conduitdrawings(EE),andtubingdrawings(EK)in.thereactorbuildinganddieselgenerator area,couldbenefitfromadditional checkingand/orconstruction (SWECorcontractor) review.2-6STONK8(WCBSTI.'R IIIIIII Greaterinstallation tolerances acrossalldisciplines wouldgenerally enhancethepracticality ofinstallation, providedcontractors exhibitawillingness toutilizethemonlywhenapractical installation cannotbeachievedasgivenonthedrawing.2.11.4ClarityandCompleteness ofDrawingsAstoclarity,nogenericproblemsaffecting remaining documents appeartoexist.Constantattention totheclarityofvendordrawingsandlaterrevisions ofengineering drawingsisrequired.

Astocompleteness, thelargenumberofESDCRsagainstengineering draw-ingshasre'ndered manydrawingsincomplete.

awhiletheconstruction forcesmaybefullyawareofthechangesaffecting thedrawingstheyareusing,changesshouldbeincorporated assoonaspossible, andcleandrawingsshouldbereissuedtominimizethe"papertrail"inthoseareaswhereworkisstillinprocess.Also,smallboredrawings(particularly DPsinthereactorbuilding) need.toprovidedimensions forlocatinghangersfrombuildinglinesandtoaccountfordimensions thatdonotcloseorprovideconstruction withsufficient flexibility toinstallthesmallborepipingandtubingtosuitfieldconditions whilemaintaining thebasicroutinggivenbythedrawing.2.11.5GeneralTheconstructibility reviewwassomewhatdifferent fromtheengineering

approach, asnostatistical dataorpastdetailedreportswerereviewedandassuch,anyobservations,

findings, orsuggested actionslistedaremoresubjective thanquantitative.

Reviewofcertainengineering docu-mentsandinterviews withindividuals closetotheprojectindicated thatnoindividual task,seriesoftasks,orindustrygenericproblemscanbeidentified asbeinginsurmountable, orgivecausethattheconstruction schedulecannotbeachieved.

Thereareconsiderable areasofconcern,suchasfutureregulatory agencyactions,engineering tobecompleted, unfinished procurement activities, andimprovement incontractor efficiency andproduction.

However,withallthemechanisms available, adedication toefficient work,andquickresponses toproblems, theschedulecanbemet.2-7STONK&WKBSTKR IIII 3.0SCOPEOFWORK3.1POWER3.1.1ServiceWaterSystem3.1.1.1TaskP-SWP-1Verification ofServiceWaterFlowRatesTheoriginalscopeinvolvedreviewing selectedfinalhydraulic calcula-tions;however,allofthosecalculations arecurrently beingrevised.Therefore, thereviewwasredirected toassessthemethodology beingusedinthecurrentrevision.

Thehydraulic model(flownetwork)wasreviewedagainsttheflowdiagramstoconfirmdefinition ofthe=linksandnodepoints.Selectedinputdatacalculations werereviewedformethodology andinputvalues.Thehydraulic computercodewascheckedforqualifica-tionandforcomparison withactualnetworkflows.Resultsofoneoftheoriginalhydraulic calculations werecheckedforadequacyoflinesizingandflowvelocities.

3.1.1.2TaskP-SWP-2Verification ofComliancewithTMIReuirements ofNUREG-0737, TherearetwoTMIrequirements thatrelatetocoolingprovidedbytheservicewatersystem:1)arequirement tosupplyreactorcoolantsystem(RCS)recirculation pumpsealcoolingafteralossofoffsitepowerand2)arequirement toprovideair-conditioning tothecontrolroomafteraIOCA(Note--service waterprovidesaheatsinktothechilledwatersys-tem).Flowdiagramsandlogicdiagramswerereviewedtoconfirmthatadequatepipingandvalvingwasprovidedtomeettheserequirements.

Specifica-tionsandcorrespondence withGEwerereviewedtoconfirmthatservicewaterflowrateswereadequatetomeetthesere'quirements.

Thecalcula-tionsizingtheservicewaterchillercondenser recirculation pumpswasreviewed.

3.1.1.-3TaskP-SWP-3AdeuateVentilation ofServiceWaterPumAreaCalculations andspecifications werereviewedtoconfirmadequatecoolingcoilsizing,airflow,andservicewaterflowtomaintaindesigntempera-turesintheservicewaterpumpbays.3.1.1.4TaskP-SWP-4Verification ofServiceWaterSstemFlowDiaramsTheservicewatersystemflowdiagramswerereviewedagainstallSWPengineering changenotices(ECNs)toensurethatchangeswerebeingin-corporated correctly andaccording toprojectprocedure.

3.1.1.5TaskP-SWP-5Verificati'on ofServiceWater.PuaeNPSHCalculations, specifications, andflowdiagramswerereviewedtoconfirmadequacyofavailable servicewatersystempumpNPSH.Thesecalculations coveredconsiderations ofheadlossintheintakestructure andintake3-1SToNK8(WcBsTER II

~=--W'v~~s',6->>~4~-.~~~'~bays,submergence requirements forvortexing, andpressuredropinthepumpsuctionpipingforvariousmodesofsystemoperation.

3.1.1.6TaskP-SWP-6Sinle-Failure AnalsisThefaulttreeandfailuremodesandeffectsanalysis(FLEA)fortheser"vicewatersystemwerereviewedforsinglefailures.'he faulttreestructure anddevelopment werereviewedagainsttheflowdiagrams, andareviewofthefaulttreeandtheRKAforcompleteness wasconducted.

3.1.-1.7TaskP-SWP-7AdeuacofDesintoPreventFreezinattheServiceWaterIntakeCalculations, flowdiagrams, andlogicdiagramswerereviewedtoconfirmtheadequacyofthedesigntopreventfreezingattheservicewaterin-take.Thereviewincluded.thedesignforheatingtheoffshorebarrackstopreventadherence offrazilice,andthelinesizingandflowrequiredforthescreenwell tempering line.'ogicdiagramswerecheckedforpropermonitoring andalarmsrelatedtothesetwofunctions.

3.1.1.8TaskP-SWP-8Verification oftheCaabilitoftheIntaketoProvideanAlternate DischarePathforServiceWaterSincetheservicewaterdischarge tunnelanddiffuserarenotCategoryIstructures, theplantdesignincludesthecapability touseoneofthetworedundant intakesasadischarge ifthenormaldischarge pathwayisunavailable.

Calculations andflowdiagramswerereviewedtoconfirmadequateflowandservicewaterpumpoperation underthiscondition.

3.1.1.9TaskP-SWP-9ControlofBioloicalGrowthNRCISEBulletin81-03identified thepotential forflowblockageinser-vicewatersystemsduetoextensive pluggingbyAsiaticclams.TheFSARandotherdocumentation werereviewedto,ensure thatadequateprecautions havebeentakentoaddresstheNRC'sconcern.3.1.1.10Ta'skP-SWP-10VerifSelectedHeatLoadCalculations andAdeuateCoolinWaterforSecifiedHeatLoadsSpecifications, correspondence, andvendordrawingswerereviewedagainstFSARcommitments toconfirmthatadequateservicewaterflowhasbeenprovidedtoessential components.'his supplemented thedetailedreviewoftheunitcoolerdesignsandheatloadcalculations conducted inTasksP-EPS"1,P-EPS"2,andP"SWP-3.3.1.1.11TaskP-SWP-11VerifAdeuacofServiceWaterSstemDesinPressureandTeeratureThecalculation thatdetermined theservicewatersystemdesignpressureandtemperature wasreviewedagainstcurrentspecifications anddrawingstoconfirmthatthesystemdesignisadequate.

3-2STONN'thWKSSTCR

)ll 3.1.2OnsiteEmergency ACPowerSystem-(EPS)3.1.2.1TaskP-EPS-1AdeuateVentilation forStandbandHPCSDieselGenerators Calculations andspecifications werereviewedtoconfirmadequatecoolingcoilsizing,airflow,andservicewater.flowtomaintaindesigntempera-turesinthestandbyandHPCSdieselgenerator areasandthegenerator controlroomareas.3.1.2.2TaskP-EPS-2'deuateVentilation forEmerencSwitchearAreaCalculations andspecifications werereviewedtodetermine thatadequateairandwaterflowandcoolingcapacitywereprovidedtomaintainthedesigntemperature intheemergency switchgear areas,including batteryrooms.Thereviewalsoconsidered ventilation requirements topreventhydrogenbuildupinthe,batteryrooms.3.1.2.3P-EPS-3AdeuateFuelOilandPinCaacitforStandbandHPCSDieselGenerators Calculations, specifications, andflowdiagramswerereviewedtoconfirmadequatefueloilandpumpingcapacityforthestandbyandHPCSdieselgenerators.

Thisincludedsizingoftheoilstoragetanks,thetransferpumpsfromthestoragetankstothedaytanks,andtheoiltransferlinesizefromthedaytankstothedieselgenerators.

3.1.2.4TaskP-EPS-4ReviewofStandbDieselGenerator Secification Areviewofthestandbydieselgenerator specification wasperformed forinterface inputsforfueloil,airstartup,andcoolingwaterrequire-ments.3.1.2.5TaskP-EPS-5Sinle-Failure Analsis-OnsiteEmerencACNinefailuremodesandeffectsanalyses(FMEAs)forsystemssupporting onsiteemergency acpowerwerereviewedforsinglefailures.

Wheresinglefailureswereidentified intheFMEAs,additional reviewofpro-posedresolution andconfirmation offollowupactionwereincludedinthereview.Anindepthreviewofthefaulttreeforstandbydieselgenerator fuelwasmadeagainsttheflowdiagramsandESKstoensureadequatefaulttreedevelopment formechanical andelectrical components.

3-3SToNR6WKBsTRR lIll 3.2ELECTRICAL 3.2.1ServiceWaterSystem3.2.1.1TaskE-SWP-1ReviewofVoltaeProfilesatServiceWaterPumMotorTerminals Thevoltageprofilecalculation wasreviewedtoverifythatacceptable voltagesweremaintained attheservicewaterpumpmotorterminals duringfullload,lightload,andmotorstartconditions.

3.2.1.2TaskE-SWP-2ReviewofCableSizinCalculation fortheServiceWaterPumMotorThe5-kVcablesizingcalculation fortheservicewaterpumpmotorwasreviewedtoverifythattheFSARandDesignCriteriarequirements werebeingmet,andthelatestavailable motordatawasused.3.2.1.3TaskE-EPS-3ReviewoftheServiceWaterPumMotorSecifica-tionTheservicewaterpumpmotorspecification wasreviewedtoverifythattheFSARcommitments andcalculation resultswereincludedinthespeci-fication.

Thevendorqualification reportwasreviewedtoverifycompliance withthespecification requirements.

3.2.2OnsiteEmergency ACPowerSystem3.2.2.1TaskE-EPS-1ReviewofReserveStationServiceTransformer SizinCalculation Thereservestationservicetransformer sizingcalculation wasreviewedtoverifythattheFSARcommitments werebeingmetandthelatestavail-ablemotorandloaddatawereused.3.2.2.2TaskE-EPS-2'eviewofStandbDiesel-Generator 2EGS"=EGI SizinCalculation Thestandbydieselgenerator sizingcalculation wasreviewedtoverifythattheFSARcommitments werebeingmetandthelatestavailable motorandloaddatawereused.3.2.2.3TaskE-EPS-3ReviewoftheOnsiteEmerencACPowerSstemShort-Circuit Calculation Theshort-circuit calculation wasreviewedtoverifythatthe250-MVAswitchgear purchased forbuses2ENS-SWG101 and2ENS-SWG103 wasadequatetomeetthe.short-circuit requirements.

3.2.2.4TaskE-EPS-4ReviewoftheVoltaeProfilesfortheOnsiteEmerencACPowerSstemThevoltageprofilestudycalculation wasreviewedtoverifythataccept-ablevoltagesweremaintained atClass1Emotorterminals duringlight3-4STONe&WaaSTaR

~~~~Il load,fullload,andmotorstartconditions withthe115-kVswitchyard operating between95percentand105percentvoltagelimits.3.2.2.5TaskE-EPS-5ReviewoftheVoltaeProfilesfortheOnsiteEmerencACPowerSstemDurinaDeradedGridCondition Thevoltageprofilestudycalculation wasreviewedtoverifythelowestvoltagevaluedetermined atwhichthe115-kVswitchyard canoperatetomaintainacceptable voltagesatClass1Emotorterminals.

3.2.2.6TaskE-EPS-6Reviewofthe5-kVFeederCableSizinCalculation The5-kVcablesizingcalculation forcertainselectedloadswasreviewedtoverifycompliance withtheFSARandDesignCriteriarequirements.

3.2.2.7TaskE-EPS-7Reviewofthe600-VCableSizinCalculation The600-Vcablesizingcalculation forcertainselectedloadswasreviewedtoverifycompliance withtheFSARandDesignCriteriarequire-ments.3.2.2.8TaskE-EPS-8Reviewof4.16-kVSwitchearSecification The4.16-kVswitchgear specification applicable tobus2ENS-SWG101 wasreviewedtoverifythatFSARcommitments andstationservicecalculation resultswereincludedinthespecification.

Thevendorqualification reportwasreviewedforcompliance withthespecification requirements.

3.2.2.9TaskE-EPS-9ReviewofStandbDieselGenerator Secification Thestandbydieselgenerator specification wasreviewedtoverifythatFSARcommitments andsizingcalculation resultswereincludedinthespecification.

3.2.2..10 TaskE-EPS-10Reviewof600-VPowerCableSecification The600-Vpowercablespecification wasreviewedtoverifycompliance withtheFSARcommitments.

Thevendortestdataandqualification reportwasreviewedtoensurethatthespecification requirements weremet.AttheApril5,1983,progressreportconference, NHPCaddedtotheorig-inalscopeofworkareviewoftheadequacyofthedataavailable in-houseforinsulation resistance testingofamulticonductor cable.Theresultsofthisreviewwillbeissuedasanappendixtothisreport.3.2.2.11TaskE-EPS-llReviewofSelectedSafet-RelatedTraLaout~DrawinsSelectedsafety-related traylayoutdxawingswerereviewedtoverifycom-pliancewiththeFSARandDesignCriteriacommitments forseparation.

3-5STONC&WKBSTcR I~I'~I 3.2.2.12TaskE-EPS-12ReviewoftheOne-LineDrawinforthe4160-VEmerencSwitchear2ENS-SWG101 The4160-Vemergency switchgear 2ENS-SWG101 one-linedrawingwasreviewedtoverifythattheFSARcommitments forrelayprotection ofstandbygene>>'ator, motors,andloadcenterfeederswereincorporated intheone-linedrawing.3.2.2.13TaskE-EPS-13ReviewofMainOne-LineDrawinsThemainone"linedrawingsEE-1AandEE-13werereviewedtoverifythattheFSARcommitments forrelayprotection ofmaingenerator, maintrans-former,reservetransformer, auxiliary boilertransformer, andnormaltransformer wereincorporated inone-linedrawings.

~f(lI3.3CONTROLSYSTEMS3.3.1ServiceWaterSystem3.3.1.1TaskC-SWP-1Instrument LooDiaramVerification Theinstrument loopdiagramswerereviewedforcompliance withFSARcom-mitmentsandconformance tosystemdesigndocuments suchasflowdiagramsandECNs.3.3.1.2TaskC-SWP-2SafetandReliefValvesThesafetyandreliefvalvespecification wasreviewedtoverifycompli-ancewiththeFSARcommitments andutilization ofpropersystemdesignparameters intheselection andsizingofthevalves.Thisincludedre-viewingvendorsizingcalculations fortheservicewatervalves.3.3.1.3TaskC-SWP-3IoicSstemVerification Thelogicsystemdescriptions anddiagramswerereviewedtoconfirmsys-temoperation forautomatic andmanualcontrolasrequiredduring'LOCAand/orlossofoffsitepower.TheFSARcommitments forfunctional andinstrumentation requirements wereusedasthebasedocument.

3.3.1.4TaskC-SWP-4ElementaDesinVerification Theelementary diagramswerereviewedforcompliance withinstrumentation andcontroldeviceredundancy, separation, anddifferent modesofopera-tionasspecified bythesystemlogicdiagramsanddescription.

3.3.1.5TaskC-SWP-5DislaandInstrument Selection 3-6STONE&WEBSTERSectionsofthemaincontrolboardsrelatedtoservicewaterwerereviewedforcompliance

.withinstrumentation requiredbytheFSAR,including post-TMIrequirements ofNUREG-0737 andRegulatory Guides1.47and1.97.Thedisplayandinstrumentation asspecified intheFSARwerereviewedwithregardtotheiravailability andproperintegration oftheinstrument-loopsignalswiththecorresponding components.

Thisincludedreviewoftheappropriate datasheetsforreadouts, transmitters, and Igi~I iyI(IILli>i1I~associated elements.

Thequalification testreportsfortheRosemount transmitters werereviewedforcompliance withspecification require-ments.3.3.1.6TaskC-SWP-6Instrument DesinDrawinVerification Theinstrument pipingdrawingsanddetailsassociated withtheservicewatersystemwerereviewedforcompliance withtheflowdiagrams, loopdiagrams, instrument

schedule, andproperpipingarrangement.

3.3.1.7TaskC-SWP"7SecialServicesControlValvesThespecialservicescontrolvalvespecification wasreviewedtoverifycompliance withtheFSARcommitments andutilization ofpropersystemdesignparameters inselection andsizingofthevalves.Includedwasthereviewofvendorsizingcalculations fortheservicewatervalves.3.3.1.8TaskC-SWP-8Instrument andAlarmSetpintsSetpointcalculations havenotbeenperformed yetbytheNineMilePointNuclearStation-Unit2Project;therefore, thistaskwasnotaccom-plished.3.3.2OnsiteEmergency ACPowerSystem3.3.2.1TaskC-EPS-1StandbDieselGenerator IoadinSeuenceZoicThestandbydieselgenerator loadsequencelogicdescription andlogicdiagramsforDivisions-I andIIwerereviewedforcompliance withthesystemfunctional requirements asdescribed intheFSAR.3.3.2.2.TaskC-EPS-1StandbDieselGenerator Undervolta eLoad-SeuencinElementaDiaramsTheelementary diagramswerereviewedforcompliance withFSARcommit-mentsandlogicsystemdesig'nrequirements.

3.3.2.3TaskC-EPS-3DislaandInstrument Selection Theelectrical panelsinthecontrolroomwerereviewedforcompliance withinstrumentation requiredbytheFSAR,including post-TMIrequire-mentsofNUREG-0737 andRegulatory Guides1.47and1.97.Theinstrumen-tationandcontrolsportionofthedieselgenerator specification wasreviewedforcompliance withthesystemrequirements.

3.4ENGINEERING MECHANICS 3.4.1ServiceWaterSystem3.4.1.1TaskN-SWP-OlReviewofDesinCriteriaforPieSt'ressAnalsis'hedesigncriteriaofthePipingEngineering andDesignSpecification werereviewedforcompliance withapplicable FSARlicensing commitments andASMEIIIdesigncriteria.

3-7STONE0WKSSTKR lI 3.4.1.2TaskN-SWP-02ReviewofServiceWaterPieStressCalculations SelectedpipestresspackagesforpipingrunsfromtheservicewaterpumpbaytotheRHSheatexchanger werereviewedforimplementation ofFSARcommitments, thelatestrevisionofdesigninput,modelingtechnique, designloadingcases,andmaximumstresses.

Asthepipinginthevici-nityofthedieselgenerator coolerisintheprocessofdesign,theywerenotincludedinthereview.3.4.1.3TaskN-SWP-03ReviewHdrodamicIoadsonSuressionPoolBoundaries Thedesigninformation providedto,theStructural discipline forhydro-dynamicARSgeneration wasreviewed.

Loadingsonthesuppression poolstructure duetoSRVdischarge, condensation oscillation, andchuggingwereincludedinthisreview.3.4.1.4TaskN-SWP-04ReviewofEuimentuglification forSeismicandHdrodamicLoads-ServiCeWaterPiinSeismicandhydrodynamic equipment qualification ofselectedsafety-relatedequipment wasreviewedforcompliance withFSARcommitments.

Twotypesofequipment, servicewaterpumpsandsafetyandreliefvalves,wereincludedinthisreview.3.4.1.5TaskN-SWP-05DesinInutControls-PieStressAnalsisProjectprocedures relatedtothedesigninputcontrolofpipestressanalysiswerereviewed.

Theseprojectprocedures wereSW-PP40,Adminis-trativeProcedure forPipeStress,andNMP2-40-07, DataRequiredforPipeStressAnalysisandPipeSupportDesign.3.4.1.6TaskN-SWP-06Reviewof'aorEuimentSuortsThesupportdesignofselectedsafety-related equipment wasreviewedforcompliance withFSARcommitments.

Theequipment wasdesignedinaccord-ancewiththeprovisions ofASMEIII,Subsection NF.Thesupportdesignoftheservicewaterpumpwasreviewed.

3.4.1.7TaskN-SWP>>07ReviewDesinCriteriaforPie'SuortDesinThedesigncriteriaofthespecification forDesignandFabrication ofPowerPlantPipingSupportswerereviewedforcompliance withapplicable FSARlicensing commitments.

3.4.1.8TaskN-SWP-08ReviewofSelectedPieSuortDesinSelectedpipesupportcalculations werereviewedforimplementation ofFSARcommitments, correct.application ofsupportdesignloads,loadingorientation, loadcombinations, andpipesupportlocation.

3-8S7ONK6WKSSTCR

3.4.2OnsiteEmergency ACPowerSystemIci<JC~1i(I(1~(gil3.4.2.1TaskN-EPS-01ReviewofEuimentuglification forSeismicIoad-OnsiteEmerencACPowerSstem(EPS)Theseismicqualification of4,160-Vmetal-clad switchgear wasreviewedforcompliance withFSARcommitments.

3.5STRUCTURAL 3.5.1TaskS-STR-1StandardEmbedment PlatesThemethodsusedtodetermine theallowable loadsonstandardembedment platesfrompipesupports, cabletrayandconduitsupports, andductsup-portswerereviewed.

'heanalyseswerereviewedforcompliance withtheflexibility, criteriaofNRCIEBulletin79-02withtheattachments atanypointontheplate.3.5.2TaskS-STR-2CableTraySupportSystemsTheanalysisanddesignofCategoryIcabletraysupportsystemswerereviewedforcompliance withtheFSARcommitments.

Thereviewincludedtheapplication ofseismicandhydrodynamic loads,thedynamicanalysismethodused,andthedesignofthesupportmembers.3.5.3TaskS-STR-3ConduitSupportSystemsTheanalysisanddesignofCategoryIconduitsupportsystemswerere-viewedforcompliance withtheFSARcommitments.

Thereviewincludedtheapplication ofseismicandhydrodynamic loads,thedynamicanalysismethodused,andthedesignofthesupportmembers.3.5.4TaskS-STR-4Baseplates withDrilled-in AnchorsforConduitSupportsThedesignofbaseplates withdrilled-in anchorswasreviewedforcom-pliancewiththeflexibility criteriaofNRCIEBulletin79-02.3.5.5TaskS-STR-5Screenwell BuildingDischarge BayWallsThewalldesigninthedischarge bayofthescreenwell buildingwasre-viewedforcompliance withtheFSARcommitments.

Thestrengthofthewallswasreviewedfortheirabilitytoresisttheappliedloads,includ-inghydrostatic loadsfromnormal.operation withfaileddiffuser.

3.6EQUIPMENT'UALIFICATION 3.6.1Inaddition.to eachdiscipline's reviewofequipment withinitsscopeofwork,theproject's Equipment Qualification Programwasreviewed.

Thereviewwasperformed todetermine iftheFSARcommitments conformtocur-rentNRCrequirements andiftheenvironmental, seismic,hydrodynamic, andoperation criteriasupporttheFSARcommitments.

Areviewofthe3-9STONE8WcssTCR lIalI projectprocedure forthequalification ofequipment wasperformed toverifythatadequatedirection isprovidedforidentification, evalua-tion,classification, documentation, statusing ofequipment, andifre-quired,theresolution ofconcerns.

Thereviewincludedthequalifica-tionofbothelectrical andmechanical equipment.

3.7INTERDISCIPLINE COMMUNICATION Theflowofdesigninformation amongengineering disciplines, designfunctions, andvendorswasreviewed.

Selecteddesignchangeswerere-viewedforconsistency betweendocuments toensurethattheinformation wasincorporated byallaffecteddisciplines.

3.8CONSTRUCTIBIIITY Thescopeoftheconstructibility reviewconsisted ofreviewing fourtaskswhichwereselectedinagreement withNiagaraMohawkPowerCorpora-tionasthesubjectsofmostconcern.Thesetaskswereasfollows:3.8.1FollowuponMarch1981ITTGrinnellReportThistaskincludeddetermination ofwhatrecommendations, ifany,remaintobeimplemented withthepipingcontractor, ITTGrinnell.

3.8.2SupportsInterferences Thistaskincludedareviewofselectedareasofpreviously identified interference problemsbetweensupportsforlargeborepipe/equipment, smallborepipe,conduit,tubing,andcabletraytodetermine potential genericproblemsforremaining workareas.3.8.3Installation Practicality ThistaskwasdirectedtowardsEngineering products(specifications,

drawings, andchangesthereto)todetermine tPeextenttowhichtheseproductsrepresent constructible designandtoidentifyanypotential genericproblemsthatmaypertaintoengineering productsyettobeissuedforconstruction.

3.8.4ClarityandCompleteness ofEngineering ProductsIssuedforConstruction Use(DrawingQuality)ThistaskincludedareviewofspecificproblemsraisedbyConstruction (contractors) andthedetermination ofpotential genericproblemsthatmaypertaintoproductsyet.tobeissuedforconstruction.

STONC&WcBSTKR IIlI

4.0 METHODOLOGY

TheFSARandtheDesignCriteriawereusedtoidentifycommitments tobeusedforreviewoftheselectedtask.Thedrawings, calculations, speci-fications, etc,associated withthetaskwerereviewedfortheircom-pliancewiththecommitments, correctness ofdesignmethodused,andflowofinformation transferbetweendisciplines.

OpenItemReports(OIR)werewrittentoidentifynoncompliance withthelicensing commitments.

IfanOIR,could notbeclosedafterdiscussion withthe%1P2ProjectandNMPC,aPotential Discrepancy Report(PD)waswritten(seeFigure4-0).Allnecessary formsdescribed inReviewProjectProcedure RPP-1werefilledouttocompletethetask(seeVolumeII).4.1POWERIneachcase,FSARcommitments andotherlicensing requirements intheNRCRegulatory GuidesandNJREGdocuments wereusedasabasisforthereview.3Calculations werereviewedagainstcurrentdrawings, specifications, andvendordocuments toconfirmthatinputinformation andassumptions werecurrentandconsistent withthecharacteristics ofpurchased equipment.

Wherenecessary, independent reviewcalculations wereperformed toensuretheadequacyofthesystemorcomponents toperformitsintendedfunc-tion.Implementation ofcalculated resultsandinputassumptions werealsocheckedagainstlogicdrawings, motorloadlists,andotherdocuments toconfirmsuccessful transferofinformation toandfromotherdisciplines.

FlowdiagramswerereviewedagainstEngineering Change.Notices(ECNs),faulttreediagrams, andFailureModesandEffectsAnalyses.

Specifica-tionswerereviewedagainstFSARcommitments toconfirmincorporation ofcalculated results.Whenrequired, clarifying discussions wereheldwithNMP2projectper-sonnel.4.2ELECTRICAL Calculations werereviewedtoverifycompliance withFSARcommitments andDesignCriteriarequirements.

Calculation inputswerecheckedtoverifythatthelatestavailable datawereused.Wherenecessary, alternate calculations wereperformed toverifysizesofthecablesselectedbytheproject.Specifications werereviewedtoverifythatthecalculation results,FSARcommitments, andthelatestprojectdrawingswereincorporated inthespecification requirements.

Thevendor'stestdatafortheequipment, whereavailable, werereviewedtoverifythatthespecification require-mentshavebeenmet.Thevendorequipment qualification reportswerereviewedtoverifycompliance withthespecification environmental para-meters.4-1STONKSWCBSTCR IIII One-linedrawingswerereviewedtoverifythatthecalculation resultsandFSARcommitments hadbeenmet.Themotornameplate horsepower shownontheone-l'ine drawingswascomparedwiththedataintheElectrical MotorandI,oadEquipment List-PES400 report.Theracewaylayoutdrawingswerereviewed.to verifythattheFSARcommit-mentforseparation wasbeingmet.Asrequired, discussions wereheldwithI,eadElectrical Engineerorhisdesigneetoobtainadditional information orclarification onthedocu-mentbeingreviewed.

4.3CONTROLSYSTEMSTheengineering drawingswerereviewedinasequential mannerwherethereviewdocumentinonetaskwouldprovideinputtothenext.Inallcases,thereviewincludedtheFSARcommitments toNRCrequirements suchasregulatory guidelines andNUREGs.Theinstrument loopdiagramswerecomparedtotheInstrument

Schedule, PES-212,andtheflowdiagramstoverifycompleteness,

location, redundancy, andinformation transfer.

Thelogicdescriptions anddia-gramswerecomparedagainsttheloopdiagrams, systemdescriptions, andFSARoperational andinstrumentation requirements.

Thelogicdiagramswerethenutilizedasthebasedocumentindetermining thecorrectness oftheelectrical elementary drawings(ESKs).TheseESKswerealsocheckedforcompliance withtheFSARcontrolandannunciator commitments.

Valvesizingcalculations, whereavailable, werereviewedtoverifyin-.corporation ofthelatestsystemparameters andtheabilitytoperformtherequiredfunction.

Thespecifications werereviewedforuseofthecalculation resultsandincorporation ofcoderequirements.

Whereinstruments ofdifferent specifications werepartofthesameloop,thedatasheetswerecomparedforsignal,range,andreadoutcompatibil-ity.Theinstrument piping'rawings werereviewedagainsttheloopdiagrams, specifications, flowdiagrams, andinstrument scheduleforcompleteness andproperinstallation.

Selectedvendorenvironmental testprocedures andreportswerereviewedtodetermine qualification oftheequipment tothenormalandaccidentenvironment specified intheequipment specification.

Appropriate NMP2proje'ctpersonnel providedclarification whenrequested.

4.4ENGINEERING MECHANICS Designrequirements weredetermined basedonareviewofdesigncriteria.

TheFSARwasreviewedtosummarize thelicensing commitments regarding ASMEIIICodedesigncriteria, Regulatory Gu'ides,analytical methodsandcomputercodes.DesignSpecifications werereviewedforcompliance totheseFSARcommitments.

4-2STONE6WcBSTRR III Ingeneral,forcalculations, designinputinformation suchasdesignloads,designconditions, relateddrawings, andFSARcommitments, wasreviewed.

Forcomputerized

analyses, themodelingtechnique, loadingcombinations, andcomputerinputandresultswerereviewed.

Inthecaseofseismicqualification ofequipment, thereviewincludedthequali-ficationcriteria, procedures, andvendorequipment qualification report.Forthehydrodynamic loadtask,resultsoftheGeneralElectricSRVhydrodynamic analyseswereusedasthebasisforinputtotheSWECcalcu-lations.Discussions wereheldwithappropriate NMP2projectpersonnel forclari-fication, wherenecessary.

4.5STRUCTURAL Representative calculations forthestructures tobe.reviewed wereran-domlyselected.

TheFSARcommitments pertaining tothecalculation tobereviewedweredetermined.

TheFSARwillusuallyspecifythegoverning codesandstandards withwhichthecalculation mustcomply.Specificrequirements intheStructural DesignCriteriapertaining tothecalcula-tionwerealsoidentified, Noalternate calculations weredone.Allreviewswereoftheprojectcalculations themselves.

Calculation inputwasreviewedforcompliance withlicensing commitments andthedesigncriteria.

Theassumedstruc-turalconfiguration inthecalculation wasreviewedforconformance withtheprojectdrawings.

Formanualcalculations, thebodyofthecalculation wasreviewed.

Forcomputerized calculations, thereviewwasforanalytical

approach, model-ingtechnique, andcomputercodeinput.Whenrequiredforthereview,discussions wereheldwiththeleadandprincipal structural engineers ontheprojecttoobtainthenecessary background information.

4.6EQUIPMENT QUALIFICATION AreviewoftheFSARwasperformed toverifythattheplanthasbeenproperlyclassified andtoverifythatcommitments areinconformance withthelatestNRCrequirements forequipment qualification.

Theproj-ectprocedure forthecontrolofequipment requiring qualification andtheEquipment Qualification SectionOperating Procedure Manualwerere-viewedtoverifyifadequatedirection isprovidedinordertosupporttheFSARcommitments.

Discussions wereheldwiththeequipment qualifi-cationsectionleadandsupportengineers, equipment qualification coor-dinator,theassistant projectengineer, andtheassistant totheproject,engineerresponsible forequipment qualification.

4.7INTERDISCIPLINE COMMUNICATION Thedocuments forthetwosystemsselectedfortechnical reviewwereusedasabasisfordetermining adequacyofcommunication betweenallproject4-3SToNcthWcssTKR IIIII5II disciplines, vendors,andConstruction.

Fortheservicewatersystem,itwasdetermined thattheECNswereroutedthroughallaffecteddisciplines andthatchangeinformation wasincorporated intheprocurement andcon-struction documents.

Theelectrical motorandloadequipment list(PES400report)wasalsousedselectively tocheckwhethervendor/specification datawereincorporated init.SelectedGeneralElectricmaincontrolboarddrawingswerereviewedtoverifythatinformation transferoccurredbetweentheControlSystemsandElectrical disciplines.

4.8CONSTRUCTIBILITY Aconstructibility reviewwasperformed foreachofthefollowing areas:1)Harch1981ITTGrinnellReport,2)supportsinterferences, 3)installation practicality, and4)drawingquality.Eachreviewwasaccomplished throughdirectcommunication withthesite(contractors andSWEC)andCHOCprojectpersonnel, bycheckingthecontentofselectedengineering

products, identifying anddocumenting apparentproblemsbymeansofacommonpresentation format,andevaluating theidentified problemsintermsoftheirpotential fordelayingtheremaining construc-tionactivities.

4-4STONC&WcBSTCR IIIIIIII DEFINEI.ICEIISINO CDtthIlhfNISRfVIENDOCUhfNlADAINSICOhhlTNENISAREALLCOtthllhfNTS

-hflfIIRIIEOtENIlfttREtORTIOIRIDISCUSSNITNNtlP2PROJECTDISCUSSNIIHNRP2PROJECTTESARE'INEREANTOTHERlfCHNICAL ISSUESRESULIINO FRDtlIttfREVIENTNAStROJfCIPROVIDEDFURINCRNODOCUttlHISIOSNONCOhttllttENI ISNEITDISCUSSNIIHCLIENTtiotfONRfVIINFORttSASCDhhfNISNOTESOIRISRfSOLVEDICLOSEDINRIlfPOIENTIAL.OISCIIEtANCT REPOtllIPORINRITfTASNSUhhARTREPORINRI'IEREPORISFORDISCIPLINE SUhhARTOFSTATIONANOOVERALLSTSifttSUhttARFFIGUREA~LOOICfORANALTIINO NONChhhllhENTS AREtlEIIIPROJECTASSESSESIhPACIAN)RESOLVESIIJLINDEPENDENT DESIGNREVIEWCOMMITMENT ANALYSISLOGICNINEMILEPOINTNUCLEARSTATION-UNIT 2NIAGARAMOIIAWKPOWERCORPORATION STONEKWEBSTERENGINEERING CORPORATION IIIIII (I,I[Ir!~I(IilI)I5.0DETAILEDRESULTS5.1POWER5.1.1ServiceWaterSystem5.1.1.1TaskP-SWP-1Verification ofServiceWaterFlowRatesReviewofthemethodology andinputdatafortheservicewatersystemhydraulic calculations showstheapproachandinputdatatobeaccept-able.Checkingoftheflownetworkmodel(Attachment 1toCalculation No.A10.1N-083) againstDivisionIofthesafety-related portionoftheservicewaterflowdiagrams(FSK-9-10 series)showedagreement exceptfortwoareaswherenodepointswerelumpedtogetherformodelingpurposes(acceptable),

andpipingchangesassociated withthestandbydieselgen-eratorarea.InthelattercasethenetworkincludedpipingchangesfromECN-SWP-48, whichhadnotyetbeenincorporated intheflowdiagrams.

Reviewofapproximately 50valveandfittinglosscoefficients inCalcu-lationNo.A10.1N-083 showedacceptable results.Sincethepostulated systemflowsforthevariousmodesofoperation inthecurrentreanalysis werecomparable topreviously analyzedcases,Calculation No.A10.1N-043 wasreviewedwithregardtoheadersizingandreasonableness ofsystemflowvelocities.

Thisreviewalsoshowedacceptable results.5.1.1.2TaskP-SWP-2Verification ofColianceWithTMIReuirements ofNUREG0737Adequatepiping,controls, andservicewaterflowhavebeenprovidedtomeetTMIrequirements toprovidereactorrecirculation pumpsealcoolingandtomaintainpost-IOCA controlroomhabitability.

ReviewofCalculation No.HVK4,whichsizestheservicewaterrecircula-tionpump(2SWP-"P2A andB)forthechillercondensers, showedthatthepumpswereundersized, however,thisproblemiscurrently beingcorrected bythepurchaseofnewpumps.5.1.1.3TaskP-SWP-3AdeuateVentilation ofServiceWaterPumpAreaHeatloadsintheservicewaterpumpbayasdetermined inCalculation No.HVY-21aresatisfactory.

Noprojectcalculations wereidentified forthesizingofunitcoolers(2HVY'-"UC2A, B,C,andD)andaxialfans(2HVY"=FN1A, B,C,andD)fortheunitcoolersinthisarea.However,itwasdetermined byareviewcalculation thatunitcoolerspurchased inaccordance withSpecification No.P412Mandaxialfanspurchased inaccordance withSpecification No.P413Rhavecoolingandairflowcapa-citiestoremoveenoughheatfromthepumpbaystomaintainthedesigntemperature intheseareas.Somediscrepancies existinfanperformance databetweenSpecification.Nos.

P413RandP412M.Specification No.P412MshouldbemodifiedtoagreewithSpecification No.P413R.5-1STONCthWcBSTeR l1I 5.1.1.4TaskP-SWP-4Verification ofServiceWaterSstemFlowDiaramsFifty-four Engineering ChangeNotices(ECNs)havebeenissuedfortheservicewatersystem.Twenty-four ECNsareoutstanding.

Thirtyoftheseha'vebeenincorporated inthesystemdesign,andofthoseincorporated, 14affectatotalof32servicewatersystemFSKs.Areviewofthese14ECNsagainstthe32affectedFSKshasshownsuccessful incorporation ofchanges,exceptfortwoinstances wherecorrections werefoundtobeinprogress.

5.1.1.5TaskP-SWP-5Verification ofServiceWaterPumNPSHTheservicewatersystempumpNPSHrequiredis27ftwater,andthesuc-tionpipingisveryshortwithfewlosses.Therefore, aslongasthereiswater-intheintakebayabovethetopofthesuctionpipetothepump,sufficient NPSHwillbeavailable.

Asaresult,thereviewconcentrated ondetermining thatsufficient submergence wasprovidedtoprecludevor-texformation andsubsequent airentrainment intothesystem.Theonlycasewherevortexing wasdetermined tobeaproblemwasthecaseofminimumpostulated lakeelevation (236.3ft)combinedwithalossofthenormaldischarge tunnelanddiffuser.

Interpretation

'ofRegulatory Guide1.135indicates thatthisisnotacrediblecombination ofevents.Therefore, adequatesubmergence isprovidedtopreventvortexing underallfeasibleoperating conditions.

5.1.1.6TaskP-SWP-6Sinle-Failure AnalsisReviewoftheservicewatersystemfaulttreediagram(98sheets)andtheFailureModesandEffectsAnalysis(110pages)showednosinglefailuresthatcouldpreventpost-LOCA/LOOP operation oftheservicewatersystem.ReviewoftheFMEAagainsttheflowdiagrams(48sheets)forcompleteness showedthatapproximately 40reliefvalves,2SOVsand12AOVswereomittedfromtheanalysis.

TwoMOVsthatwereincludedasmechanical failureswerenotdeveloped electrically.

Theeffectsofincluding andassumingsinglefailureoftheomittedvalveswouldresultinlocalfail-uresofsomecoolingservices, butwouldnotbeexpectedtoleadtoser-vicewatersystemfailureingeneral.Thesevalves,however,mustbeaddedtotheanalysisforcompleteness.

5.1.1.7TaskP<<SWP-7AdeuacofDesintoPreventFreezinattheServiceWaterIntakeReviewofcalculations todetermine theheatingrequirements fortheoff-shorebarracksintheservicewaterintaketopreventadherence offra-ziliceshowedthatthedesignwasadequate.

Reviewoflinesizingcal-culations showedadequatesizingofthetempering linetopreventfreez-ingintheonshoreintake.5.1.1.8TaskP-SWP-8Verification oftheCaabilitoftheIntaketoProvideanAlternate DischarePathforServiceWaterReviewofCalculation No.H6E-172todetermine thattheuseofoneofthetwointaketunnelsasadischarge onlossofthenormalservicewater5-2SToNe0WessTeR IIIII discharge tunnelshowedthisoperating modetobeacceptable.

Reviewoflogicdiagramsshowedadequatecontrolsandalarmstoactuatethismodeofoperation.

Astructural reviewofthewallseparating thedischarge andintakebayshowedthewalltobecapableofwithstanding theadversedifferential headof49ftundertheworstconditions.

5.1.1.9TaskP-SWP-9ControlofBioloicalGrowthReviewoftheplantdesignforcontrolofbiological growthincludeddis-cussionsregarding conditions atFitzPatrick andNMP1.Neitheroftheseplantshaschlorination orotherbiofouling controlsystemsontheser-vicewatersystem,andneitherplanthasreportedanybiofouling prob-lems.NRCI&EBulletin81-03oa.Asiaticclamswasresponded

.toin'letter(9M2-10,629 datedJune24,1981)whichindicated thattheclamsdonotcurrently existinthelake,butcommitted toprovidemonitoring ofsystempressuredropsasafutureprecaution againsttherapidlyspread-ingspecies.Aaoperating procedure toimplement thiscommitment shouldbedeveloped byNMPC.5.1.1.10TaskP-SWP-10VerifSelectedHeatLoadCalculations andAdeuateCoolinWaterForSecifiedHeatLoadsReviewoffourspecifications andfivevendordrawingsshowingcoolingwaterrequirements againstFSARcommitments toprovidecoolingwaterflowshowedagreement betweenrequiredandcommitted flows.Forresultsofdetailedreviewofunitcoolerdesignsandheatloadcalculations, seeSections5.1.1.3,5.1.2.1,and5.1.2.2.5.1.1.11TaskP-SWP-llVerifAdeuacofServiceWaterSstemDesinPressureandTeerature'hereviewofcurrentspecifications anddrawingsagainstCalculation No.A10.1N-9A showedthatsystemdesigntemperature andpressureareade-quate.5.1.2OnsiteEmergeacy ACPowerSystem5.1.2.1TaskP-EPS-1AdeuateVentilation forStandbandHPCSDieselGenerators Thereviewofcalculations andspecifications showedthatadequateventi-lationhasbeenprovidedtomaintainthedesigntemperature of120FinthestandbyandHPCSdieselgenerator rooms.However,theprojecthashadrecentcorrespondence withGE(GELetterNo.NMP2-4901 datedMarch22,1983,andSWECResponseIetterNo.9M2-13974 datedMarch28,1983)questioning theGEqualification oftheHPCSdieselforthe120oFdesigntemperature.

Thereviewofcalculations andspecificatioas relatedtothecoolingload,unitcooler,andfansizinginthestandbyandHPCSdieselgenera-torcontrolroomsresultedinPD017regardiag unitcoolers2HVP"UC1A,

~UClB,and2HVP-UC2.

Inthisinstancethehigherheat;loadduetotheincreased horsepower ofthepurchased fansexceedsthemarginsassumedinthecalculation.

Itmaybepossibletomeettheincreased 5"3SvoNc&Wces7ce I

coolingrequirements byadjusting thefanpitchandincreasing theser-vicewaterflowfromllto12gpm.5.1.2.2TaskP-EPS-2AdeuateVentilation forEmerencSwitchearAreaThereviewofCalculation No.HVC-40andSpecification No.NMP2-P412M showedthatFSARcommitments havebeenmetandthatadequatecoolingcapacityhasbeenprovidedtomaintainthedesigntemperature intheemergency switchgear area.Thecalculated ventilation requirements forthebatteryroomsarealsoadequatetomaintaindesigntemperature andtopreventhydrogenbuildup.However,areviewofSpecification No.NMP2-P413R resultedinPD024regarding batteryroomexhaustfans2HVS"-FN4A andB.Thepurchased capacityofthesefansismorethantwicetherequiredcapacity, andthepotential systemimbalance couldimpactseveralareas.5.1.2.3TaskP-EPS-3AdeuateFuelOilandPuminCaacitForStandbandHPCSDieselGenerators ThereviewofCalculation No.EGF-16,whichsizedthefueloilstoragetanksforthestandbydieselgenerators, resultedinPD013regarding fueloiltanks2EG~1AandB.Thispotential discrepancy relatestoarequirement foran"explicit" allowance forfuelconsumption duringper-iodictestingwhensizingthestoragetank.Thetanksizingcalculation wasbasedonacontinuous loadrequirement of4400kW,whichagreeswiththeFSARcommitments inSection9.5.4.1.However,thisaspectofthetanksizingwillbeaffectedbytheresolution ofPD004discussed inSection5.2.2.2ofthisreport.Thesamemarginrequirement appliestotheHPCSdieselfueloilstoragetanksizedinCalculation No.EGF-17.However,thereappearstobeamplemargininthecurrenttankcapacityforthispurpose,butthecalculation shouldberevisedtodemonstrate compliance withtheFSARrequirement.

ThereviewofCalculation No.EGF-14,whichsizedthefueloiltransferpumps,resultedinPD011regarding pumps2EGF"-PlA, B,C,D,2A,and2B.Additional pressuredropsneedtobeconsidered insizingthesepumps.ThereviewofCalculation No.EGF-18,whichsizesthefueloiltransferlinebetweenthedaytankandthestandbydieselgenerators, assumedthemaximumfueloillevelinthedaytankinsteadoftheminimumlevelincalculating thegravity-driven flow.However,areviewcalculation showedthatthelinesizingwasadequate.

5.1.2.4TaskP-EPS-4ReviewofStandbDieselGenerator Secifications ThereviewofSpecification No.NMP2-E031A, StandbyDieselGenerator, againstflowdiagramsandFSARcommitments showedthatadequateservicewaterflowisprovidedto.meetcoolingrequirements; however,thedatasheetsinthespecification needrevision.

Interface requirements re-gardingfueloilarediscussed inSection5.1.2.3above.Thereviewofinterfaces tothedieselgenerator airstartupsystemshowedthattheflowdiagrams, FSARcommitments, andvendordrawingsfortheairreceiver5-4Svova0WassvaR lIl tankswereinagreement; however,datasheetsinthespecification needtoberevised.5.1.2.5TaskP-ESP-5Sinle-Failure AnalsisThereviewofapproximately 300pagesofZMEAoutputonninesystemssup-portingonsiteemergency acpoweridentified singlefailuresinthecon-trolbuldinganddieselgenerator buildingventilation systems.Thesin-glefailureinthedieselgenerator ventilation systemwasresolvedbyECN-HVP-12, andthesinglefailuresinthecontrolbuildingventilation systemarecurrently beingaddressed asevidenced bynotesofconference ofseveralrecentmeetings.

Noothersinglefailureswereidentified.

Thereviewofthefaulttreediagramforthestandbydieselgenerator fuelagainsttheflowdiagramsandseveralelementary diagramsshowedadequatetreatment ofallmechanical components, andthereviewalsoshowedthatallelectrical components checkedwerecorrectly incorpora-ted.5.2ELECTRICAL 5.2.1ServiceWaterSystem5.2.1.1TaskE-SWP-1ReviewofVoltaeProfilesatServiceWaterPumMotorTerminals Thevoltageprofilereviewperformed underTaskE-EPS-4indicated thattheservicewaterpumpmotorrequirements willbemet.Acceptable volt-ageswillbemaintained attheservicewaterpumpmotorterminals duringlightload,fullload,andmotorstartconditions withthe115-kVswitch-yardoperating between95percentand105percentoftheratedvoltage.5.2.1.2TaskE-SWP-2ReviewofCableSizinCalculation fortheServiceWaterPMotorTheservicewaterpumpmotorcablesizingcalculation wasreviewed.

Themotorfullloadcurrentusedinthecalculation didnotagreewiththevendormotordata,butthedifference wassmallanddidnotaffectthecablesizeselected.

Theprojectispresently revisingtheductbankloadingcalculation.

Resultsindicatetheneedtoincreasetheservicewaterpumpmotorcablesizefrom250KCMto350KCM.5.2.1.3TaskE-EPS-3ReviewoftheServiceWaterPumMotorThereviewindicated thattheCESARandcalculation requirements wereincludedinthespecification.

Inaddition, theservicewaterpumpmotorqualification reportwasreviewed.

Baseduponthisreview,themotorwillhavealessthan40-yearqualified lifewhenoperatedatfullloadandspecified ambientcondition.

Itshouldbenotedthatthespecifica-tionhasnotexplicitly statedthatthemotorshall-havea40-yearser-vicelife.5"5Svoxc&Wassvaa II 5.2.2OnsiteEmergency ACPowerSystem5.2.2.1TaskE-EPS-1ReviewofReserveStationServiceTransformer SizinCalculation Thereviewofthereservestationservicetransformer sizingcalculation hasidentified thattheFSARcommitment ofonereservetransformer beingcapableofbringingtheplantupto25percentpowercannotbemet.Whenonereservetransformer isavailable, powercanbesuppliedtoeither,DivisionIorDivisionIIsystem;however,bothdivisions ofservicewaterpumps(fourpumpsminimum)arerequiredduring25percentpoweroperation.

Thereviewofthiscalculation hasalsoidentified that,duetoincreasein600-Vloads,thesparecapacityavailable inthetransformer purchased willbelessthanthatpresently indicated inthecalculation.

Adequatecapacityisstillavailable tosupplyallpresently identified loads.RefertoPDs001and003fordetaileddiscussion.

5.2.2.2TaskE-EPS<<2ReviewofStandbDiesel-Generator 2EGS"-EG1 SizinCalculation Asthestandbydiesel-generator sizingCalculation No.EC-32,Revision2,wasunderprojectreview,FSARTables8.3.1and8.3.5wereusedtodeter-minethediesel-generator loadingrequirement.

Theworst-case loadinTable8.3.5isshowntobe4,679-kW, whichishigherthanthe4,400-kWcontinuous ratingofthediesel-generator.

.TheFSARcommitment.

requiresthatthecontinuous ratingofthe'iesel generator beequaltoorgreaterthantheworst-case loadrequirement.

Therefore, thedieselgenerator selec'ted isnotconsistent withtheFSARTable8.3.5.Aprojectreviewofthediesel-generator loadingcalculation isunderwav, andpreliminary resultsindicatethattheactualworst-case loadislessthanthecontinuous ratingofthedieselgenerator.

AnFSARchangeisrequired:

RefertoPotential Discrepancy No.004fordetaileddiscussion.

5.2.2.3TaskE-EPS3ReviewoftheOnsiteEmerencACPowerSstemShortCircuitCalculation Theshort-circuit calculation fortheemergency buses2ENS"-SWG101 and2ENS"-SWG103 wasreviewed.

Theshort-circuit ratingof250MVAfortheemergency busbreakersisadequatewhentQebusiseithersuppliedfromthe'eserve station'servicetransformer ortheauxiliary boilertrans-former.However,whentheemergency busissuppliedfromtheauxiliary boilertransformer, the250HVAbreakerhasverysmallmarginavailable.

TheNMP2Projectispresently revisingthisshor't-circuit calculation toincorporate thenewsystemshort-circuit datareceivedfromtheClient.5-6STONC6WcssTER Il1II 5.2.2.4TaskE-EPS"4ReviewoftheVoltaeProfilesfortheOnsiteEmerencACPowerSstemThevoltageprofilesatClass1Emotorterminals duringlightload,fullload,andmotorstartcondition withthe115-kVswitchyard supplying powertotheemergency buseswerereviewed.

Whentheemergency busissuppliedfromthereservestationservicetransformer, acceptable voltagescanbemaintained atClasslEmotorterminals with.the115-kVswitchyard operating between88percentand105percentoftheratedvoltage.Whentheemergency busissupplied.

fromtheauxiliary boilertransformer, acceptable voltagescanbemaintained atClasslEmotorterminals withthe115-kVswitchyard operating between95percentand105percentoftheratedvoltage.TheNMP2Projectispresently revisingthesevoltageprofilecalculations toincorporate thenewsystemshort-circuit datareceivedfromtheClient.5.2.2.5TaskE-EPS-5ReviewoftheVoltaeProfilesfortheOnsiteEmerencACPowerSstemDurinaDeradedGridCondition Itcanbeseenfromsubparagraph 5.2.2.4thataminimumvoltageof95percentwillberequiredinthe115-kVswitchard tomaintainaccept-ablevoltagesatClasslEmotorterminals whentheauxiliary boilertransformer issupplying powertotheemergency bus.Therefore, duringadegradedgridcondition, theoffsitepowertotheemergency buswillhavetobecutoffwhenthe115"kV'switchyard

'voltageisbelow95percent.Thiswillpreventthedegradedgridfromadversely affecting the,opera-tionoftheonsiteemergency acpowersystem.SWECLetterNo.9M2-4546datedOctober21,1977,discusses theeffectsofadegradedgridcondition ontheemergency buses.Thisletterhascon-sideredthecaseofareservestationservicetransformer supplying theemergency bus.Thelimitingcaseofanauxiliary boilertransformer sup-plyingtheemergency busisnotdiscussed intheletter.5.2.2.6TasksE-EPS-6andE-EPS-7Reviewofthe5-kVand600-VCableSizinCalculations Thereviewofthe5-kVand600-Vcablesizingcalculation forselectedloadshasidentified thatthefollowing FSARandtheDesignCriteriaEDC-4requirements werenotcompliedwithintheapplicable cal-culations:

a.Useof100percentlockedrotorcurrentformotor-operated valve(MOV)cablesizing.Thecalculation hasused55percentoflockedrotorcurrentforMOVcablesizing.b.ForMCCshavinglong-length feeders,thevoltagedroplimita-tionof4Vwasexceeded.

5-7StoveAWassvcR IIII c~Thecorrectbackupfaultclearingtimedoesnotseemtohavebeenusedincalculating theminimumcablesizerequiredforshort-circuit duty.Ourindependent calculation checkindicated thatcable.sizeslargerthanthoselistedinTableQwererequiredifthebackupfaultclearingtimeandfaultcurrentparameters ofTableQwereused.Thiscalculation checkwasrequiredastheprojectcalculation supporting theminimumsizesdidnotexist.Inaddition, theformulalistedintheDesignCriteriaEDC-4forshort-circuit currenttobeusedforcalculating themini-mumcablesizewasincorrect.

Thisformuladidnotincludesystemacfaultcurrentcomponent anddidnotfindthetotalfaultcurrentbysquarerootofthesumofsquaresmethod.RefertoPDs005,008,014,and023fordetaileddiscussions.

5.2.2.7TaskE-EPS-8Reviewof4.16-kVSwitchearSecification The4.16-kVswitchgear Specification No.E015Fapplicable tobus2ENS-SWG101 wasreviewed.

Thestationservicecalculation resultsandFSARcommitments wereincorporated intothespecification.

Thevendorqualification reportwasreviewed.

Thisreporthasusedtheenviron-mentaldataspecified inthespecification tomeetthequalification requirements.

"Thevendorhasidentified certaincomponents whichhavealessthan40-yearqualified life.Thequalified lifeforcertaincompo-nentsisestablished intermsofnumberofcyclesofoperation.

Thevendorhasnotyetperformed theproduction testsasrequiredbythespecification.

45.2.2.8TaskE-EPS-9ReviewofStandbDieselGenerator Secifiation Thereviewofthestandbydiesel-generator Specification No.E031Ahadindicated thatthevendordoesnothavethelatestloadingrequirement oftheFSARTable8.3.5.Thespecification alsohasnotincludedtheenvi-ronmental qualification parameters forthediesel-generator.

Thequali-ficationofthediesel-generator shouldbeconfirmed forthelatestloadingandenvironmental parameter requirements.

5.2.2.9TaskE-EPS-10Reviewof600-VPowerCableSecification Thereviewindicated thattheFSARcommitments wereincludedinthespe-cification.

Inaddition, thequalification reportenvironmental profileusedbythevendorenveloped thespecification requirement.

However,incertaininstances, themarginavailable intheenvironmental qualifica-tionparameter (suchasatemperature of346Fversus340Frequiredforaperiodof3hoursafterLOCA)islow.Thevendoralsohasnotaddressed thesynergistic effectofthermalandradiation parameters onagingoftheinsulation andjacketmaterial.

Theproduction testdataforamulticonductor cablewerereviewed.

Thetestdata(exceptinsulation resistance testdata)submitted bythevendormeetthespecification requirements.

Theinsulation resistance 5-8STONE&WcssTKR II testdatawil1.bereviewedasaseparateactivityforthistask,andtheresultswillbeprovidedasanappendixtothisreport.5.2.2.10TaskE-EPS-llReviewofSelectedSafet-RelatedTraLaoutD~rawinsCabletraylayoutdrawingsforthecontrolbuildingandtheelectrical tunnelswerereviewedforseparation requirements.

Drawingsreviewedmettheseparation criteria.

Thisreviewhasindicated that"Green"and"Yellow"colorcodesareusedfor"Division" aswellas"Channel" typeracewayidentification.

Thismaypresentracewayidentification problemsinthefield.Theprojecthasadvisedthat"Green"or"Yellow"colorcoded"Division" and"Channel" orientedracewaysdonotsharethesamesupport,i.e.,DivisionI(Green)andChannellA{Green)racewaysarenotinstalled onthesamesupport.Adherence tothisrequirement shouldbeverifiedbyafieldcheckofselectedracewayinstallation.

5.2.2.11TaskE-EPS-12ReviewofOne-LineDrawinfor4160-VEmerencSwitchear2ENS-SWG101 Thereviewofone-lineDrawingNo.EE-lg-6hasidentified inconsistencies betweenFSARcommitments, ESKsandtheone-linedrawing.Thesearedocu-mentedinPDs019and021.5.2.2.12TaskE-EPS-13ReviewofMainOne-LineDrawinsThemainone-lineDrawingsNos.EE-lAandEE-1BwerereviewedtoverifyFSARcommitments forrelaystobeusedforprotection ofthemaingene-rator,maintransformer, reservestationservicetransformer, auxiliary boilertransformer, andthenormalstationservicetransformer.

Theone-linedrawingshaveincorporated theFSARrequirements satisfactorily.

5.3CONTROLSYSTEMS5.3.1ServiceWaterSystem5.3.1.1TaskC"SWP"1Instrument LooDiaramVerification Thereviewoftheinstrument loopdiagramsidentified 23inconsistencies inrelationtocompliance withthesystemflowdiagrams.

Theseconsisted ofdifferences inlinenumbersandsize,documentreferences, colorcoding,valveposition, anddataomissions.

Inaddition, themodifica-tionrequiredbyECNSWP-033wasnotincorporated.

Exceptforthesein-consistencies, nopotential discrepancies wereidentified.

5.3.1.2TaskC-SWP-2SafetandReliefValvesThevendorvalvesizingcalculations fortheCategoryIsafetyandreliefvalveswerereviewedforcompliance withsystemdesigncriteria.

Incor-porationoftheASMEcoderequirements withinthePurchaseSpecification No.C051Awasverified.

Exceptforminordatainconsistencies withinthesedocuments, nopotential discrepancies wereidentified.

STONCRWKSSTKR IIl 5.3.1.3TaskC-SWP-3I,oicSstemVerification Inreviewing thelogicsystemdescription anddiagramsforcompliance withFSARfunctional andinstrumentation requirements, therewerenopo-tentialdiscrepancies identified.

However,therewere13inconsistencies inthelogicsystemdescriptions and8.inthediagrams, including thefollowing:

Descriptions a~b.Cod.Controlswitchoperation disagrees withESKComputerandalarmpointsomittedValveoperation description omittedIncorrect designations Diagramsa~b.C~d.Computermonitoring inconsistent withdescription Logicgateincorrect Equipment locationincorrect Statuslightomitted5.3.1.4TaskC-SWP-4ElementaDesinVerification The'eview ofthe61elementary diagramsresultedin32inconsistencies whichincluded:

a~b.c~d.e.f.Relaycontactdesignations omittedRelaycontactclosureoperation incorrect Incorrect contactandalarmdesignation Incorrect documentreference Limitswitchdevelopment incorrect Circuitinconsistent withlogicrequirements Inaddition, 19pushbutton switchesshownas"PBServiceWaterDiv.IManuallyInoperable" locatedontheCategoryIportionofPanel601inanunisolated CategoryIcircuitareidentified asaQACategoryIIswitch.ThishasresultedinPD018.5.3.1.5TaskC-SWP-5DislaandInstrumentation Selection Instrumentation requirements asspecified intheFSARwerereviewedtoensureavailability aswellasthecompatibility withtheequipment

'esign,instrument measurement loop,andenvironmental qualification.

Thespecification datasheetsfor2SWP"-FE533 and2SM:FT533 indicates aninconsistency inmeasurement ranges.Flowelement2SWP"-FE533 hasbeensizedtopassamaximumflowof20,000gpmwitha150-in.wc,whereastheassociated transmitter hasacalibrated rangeof0to27,000gpmfora0to150in.wcdifferential.

Flowtransmitter 2SWP-'FT567 hasaspecified flowrangeof0to27,000gpm(150-in.wc)fromaflowelementsizedtopass22,000gpmata150-in.wc5"10STONC5WCISTCR I

differential.

TheactualflowwillnotmeetFSARcommitments of0to27,000gpm.Theratioatnormalflowtomaximumflowfor2SWP-FE523, 2SWP""FE534, and2SWP-FE567 is10percent,25percent,and19percent,respectively.

Thisresultsinanormalcondition attheextremelowendofthescalewithsevererestrictions inreadability.

ThishasresultedinPD009.ECNSWP-29datedMay18,1982,addedrequirements for2SWP"-FT200A-F and2SMFT201A andB.ReportNo.PES-212,ControlSystemsInstrument

Schedule, showstheequipment wasbeingpurchased aspartofSpecifica-tionNo.C071M.Specification No.C071M,throughAddendum1toRevision1,datedNovember8,1982,hasnotincorporated thisequipment.

ThishasresultedinPD010.Inreviewing theapplicable instrumentation inrelationtothemaincon-trolboard,itwasfoundthatindicators 2SWP-FI533 and2S~FI523onPanelNo.2CEC"PNL601 aremountedinmirrorimagetotheirredundant indicators 2SWP""FI567 and2S~FI534.

Inaccordance withtheguidelines ofNUREG0700,mirrorimageviolatestheprinciple of"positive transferoftraining" andshouldbeavoided.ThishasresultedinPD002.5.3.1.6TaskC-SWP-6Instrument DesinDrawinVerification Theinstrument detailsandpipingdrawingswerereviewedforproperin-clusionandinterpretation ofengineering inputincluding licensing com-mitments.

Instrument pipingDrawingNo.EK-19Bshowedthehighandlowsideofdifferential pressuretransmitters PDIS-70A(trashrackdifferen-tialpressure) andPDIS-71A(traveling screen.differential pressure),

bothinterconnected tothehighsidepiping.ThishasresultedinPD031.5.3.1.7TaskC-SWP-7SecialServicesControlValvesInreviewing thespecification (C051M)forthespecialservicescontrolvalvesitwasfoundthatforvalves2SW~35Aand2SWP-TV35B therewerenocalculations toverifytheparameters shownonthetechnical datasheets.Theresultant Cisbasedonpreliminary vendorinformation withoutcalculation submitted forreviewandapproval.

Thevalverequirements andinputparameters donotagreewithexistingprojectsystemcalculations.

5.3.1.8TaskC-SWP-8Instrument andAlarmSetpintsSetpointcalculations havenotyetbeenperformed bytheproject;there-fore,reviewtodesignandlicensing commitments couldnotbeperformed.

5"11STONL0WRBSTKR llI 5.3.2OnsiteEmergency ACPowerSystem5.3.2.1TaskC-EPS-1StandbDieselGenerator LoadinSeuenceLoicTaskC-EPS-2StandbDieselGenerator Undervolta eLoadSeuencinElementaDiaramsThereviewoftheDivisions IandIIstandbydieselgenerator loadsequencing requirements resu1tedinidentifying 26inconsistencies betweenthelogicdescriptions, logicdiagrams, elementary

diagrams, andtheFSAR.Theseincluded:

a~b.cd.e.Statuslightsomittedfromlogicdescriptioa Annunciators omittedfromlogicdiagramsMonitored parameters omittedfromlogicdescription Transferswitchinterlock omittedfromlogicdiagramRelaycontactnumbersandpositiondifferbetweenelementary diagramsListofannunciator displaysdisagreebetweenlogicdescription andelementary diagrams.

W5.3.2.2TaskC-EPS-3~DislaandInstrument Selection Instrumentation requirements werereviewedinaccordance withtheFSARcommitments anddieselgenerator Specification No.E031A.Thisresultedinidentifying areasofthemaincontrolboardwhichdonotcomplywithFSARcommitments ofSections8.3.1and1.10,ItemI.D.1.Thisincludesomissionofalarmsandnoncompliance totheguidelines ofNUREG0700,"Guidelines ofControlRoomDesignReview."Thesewere"documented inPD025.Additionally, thespecified rangeforthefueloil.transferpumpflow(low)of20gpmdoesnotmeettheFSARcommitment of0to30gpm(seePD022).5.4ENGINEERING MECHANICS 5.4.1ServiceWaterPiping5.4.1.1TaskN-SWP-1ReviewofDesinCriteriaForPieStressAnalsisThedesigncriteriaofSpecificatioa No.P301A,PipingEngineeriag andDesign,werereviewedforcompliance withFSARcommitments.

Selectedcommitments werereviewed.

Theyincludeloadingconditions, seismicde-signcriteriaofASMEIIIcode,,modalresponsecombination ofRegulatory Guide1.92,andpipingdampingfactorsofRegulatory Guide1.61.Theyarecorrectly addressed.,

Theuseofequivaleat st'aticloadfactorof1.5issatisfactory ascomparedwithafactorof1.3specified inFSAR.How-ever,'heFSARcommitment ofRegulatory Guide1.122onARSenveloping andpeakspreading isnotaddressed.

Itisrecommended toincorporate itinthenextaddendumofthesubjectspecification, asthiscommitment hasbeenimplemented inpipestressanalysis.

5.4.1.2N-SWP-02ReviewofServiceWaterPieStressAnalsisThreepipestressanalyseswerereviewed.

TheyareAX-19I,forthepipingconnecting toRHSservicewatersuctionnozzle,AX-19Fforpipinglocated5-12STONKa(WCBSTER IIIII betweensecondary containment andpipetunnel,andAX-19AFforpipingconnecting toservicewaterpumpdischarge nozzle.Asaresultofthesepipestressanalysesreview,fivePotential Discrepancies wereidenti-fied.5.4.1.2.1 ThereviewofpipestresspackageAX-19L,Revision3,resultedinPD006,whichregardsseismicanalysis.

ThepipingofthispipestressanalysispackageisanASMEIIISafetyClass3pipingasspecified inFSARSection3.9.3.1.2A.

Itisdesignedtowithstand levelsof"loadingimposedbytheOBEandSSE.Inthiscalculation, theloadingcasesofOBEseismicanchormovement(OBEA)andSSEinertia(SSEI)arenotinclud-ed.WiththeabsenceoftheOBEAload,theEquation10(plantnormalandupsetcondition) ofASMEIII,ND-3652.3 isnotproperlyaddressed.

Inaddition, withtheabsenceofSSEI,theEquation9(plantfaultedcon-dition)ofASMEIII,ND-3652.2 isnotproperlyaddressed.

Additional documentation isrequiredtojustifytheuseofcertainloadingcondi-tions,orconsideration thattheyarenegligible.

5.4.1.2.2 ThereviewofpipestresspackageAX-19L,Revision3,resultedinPD007,whichregardswaterhammeranalysis.

Thissectionofservicewaterpip-ingshouldbedesignedforwaterhammerload.Thewaterhammerforcingfunctions wereavailable inCalculation No..12177-NP(C)-PX"01920, Revision0,butwasnotincludedinthispipestressanalysis.

ThiswaterhammerloadisrequiredforEquation9(plantemergency andfaultedconditions) ofASMEIII,ND-3652.2 inaccordance withFSARSec-tion3.9.3.1.2A.

Theprojectisawareofthisconcernandhasscheduled toreanalyze thispipestresspackagetoincludethewaterhammerloads.5.4.1.2.3 ThereviewofstresspackageAX-19F,Revision3,resultedinPD015,whichregardsthedynamicmodel.Thisdynamicmodelhasacutofffre-quencyof23.8Hzatits50thmode.Thiscutofffrequency doesnotreachthepeakresponsefrequency ofSRVhydrodynamic amplified responsespec-trum(ARS)curves(approximately 50Hz).Withoutthecontributions fromARSpeakresponse, theseanalysesmaynotgiveasatisfactory dynamicresponse.

However,itmaybeshownthatthenumberofvibration modesusedforthisdynamicmodelwassufficient usingtheprocedure outlinedinStandardReviewPlanSection3.7.3.Iftheinclusion ofadditional modesdoesnotresultinmorethana10percentincreaseinresponse, theoriginalmodelwouldbeconsidered acceptable.

5.4.1.2.4 ThereviewofpipestresspackageAX-19F,Revision3,alsoresultedinPDNo.16,whichregardsseismicARSenvelopes.

TheinputseismicARS5-13STONaAWaeSTIR IIIIII curvesarefromPXCalculation No.12177-PX-01937, Revision0,whichpro-videsseismicARSenvelopes atreactorbuildingelevations 213.75ftand197ft.ThisPXcalculation doesnotincludetheseismicARSforthetunnelinwhichpartofthepipingislocated.TheuseoftheseARSenvelopes doesnotcompletely satisfythecommitment ofFSARSec-tion3.7.3.9A.

5.4.1.2.5 ThereviewofARSCalculation No.12177-PX-01907, Revision0,resultsinPotential Discrepancy 32,whichregardsARSpeakspreading.

CESARSec-tion1.8commitstocomplywithRegulatory Guide1.122inthedevelopment offloordesignresponsespectraforseismicdesignoffloor-supported equipment orcomponents.

SWECcomputercodePSPECTRA(described inFSARSection3.7.3.8.3A) isdesignedtoimplement thepeakspreading criteriaofthisRegulatory Guide,aswellasforenvelopegeneration.

ARSCalculation No.12177-PX-01907 forenveloping seismicARScurvesusesanoldercomputercodeCURVE2(ME-117)andthereisnootherdesigncal-culationreferenced.

ltisnotclearhowtherequirement ofRegulatory Guide1.122isaddressed.,

Pipestresspackages, suchasAX-19L,whichusetheresultsofthiscalculation astheirdesigninputshouldalsobereevaluated.

5.4.1.3TaskN-SWP-03ReviewofHdrodamicLoadsonSuressionPoolBoundaries Pourcalculations, werereviewedforthehydrodynamic loadsonsuppression poolstructure.

TheseloadsareprovidedtotheStructural Divisionforhydrodynamic ARSgeneration.

Calculation No.12177.08-PX-60020 providesthedesigndatausedtodesignquenchers andtogenerateSRVdischarge loadintothesuppression pool.Thedesigndataincludesinformation suchasSWECpipingdrawings, fric-tionfactor,valveopeningtime,etc.Thereviewfindsthiscalculation satisfactory.

ThereviewfindthethreeotherCalculation Nos.12177.08-PX-60044, PX-60058, andPX-60053alsosatisfactory.

Theyprovidethehydrodynamic loadsonsuppression poolstructure duetocondensation oscillation andchuggingeffect.5.4.1.4TaskN-SWP-04ReviewofEuimentualifications forSeismicandHdrodamicLoads-ServiceWaterPiinTheservicewaterpumpandthermalreliefvalveswereselectedandre-viewedfortheequipment qualification forseismicand/orsuppression poolhydrodynamic loads..Theseismicqualification criteriaofservicewaterpumpSpecification No.NMP2-P222X werereviewedforcompliance withFSARcommitments.

ThesecriteriaareusedasthebasisforthereviewofSeismic-Stress Analysis5-14STONE6WcssTKR IIIII Report(HE-534).

Theresultindicates thattheservicewaterpumpsarequalified toperformsafety-related functions duringandafterapostu-latedseismicevent.Forthermalreliefvalves,fourdocuments werereviewed.

TheyarethesafetyandreliefvalvesSpecification No.NMP2-C051A, vendorseismicreport(EC-522),

vendorspecification fordesignanalysis(EC-672),

andvendorOperability TestReport3864.Thereviewfindsthethermalreliefvalvesareadequately qualified forthecombinedeffectofseismicandhydrodynamic loads.5.4.1.5TaskN-SWP-05ReviewofDesinInutControls-PieStressA~nalslsProject.Procedures SW-PP40,TheAdministrative Procedure forPipeStress,andNMP2-40-07, DataRequiredforPipeStressAnalysisandPipeSupportDesign,werereviewed.

Thesetwoprocedures providethedesigncontrolofinformation requiredforpipestressanalysis.

Theinterd.scipline interfaces areclearlyspecified.

Thereviewfindsprocedures adequatefortheirintendedpurpose.5.4.1.6TaskN-SWP-06ReviewofMaorEuimentSuortsCalculation No.12177-MS-1275, theanchorboltanalysisforservicewaterpumps,wasreviewed.

Thereviewitemsincludematerialproperties, designloads,andanchorboltloads.Thedesignisfoundtomeettherequirements ofASMESectionIII,subsection NF.5.4.1.7TaskN-SVP-07ReviewofDesinCriteriaforPieSuortDesinThedesigncriteria.

ofSpecification No.P301N,DesignandFabrication ofPowerPlantPipingSupport,werereviewedforcompliance withFSARcom-mitments.

Thereviewitemsincludetheloadingconditions andallowaole stressforClass2and3pipesupport'nd pipeintegralattachment.

Thereviewresultedintwofindings.

ThefirstoneisthatFSARTableNo.3.9A-4shouldberevisedtouseOBETinthecombination forZoadCon-dition3.ThesecondfindingisthatthepipingsupportdesignSpecifi-cationNo.P301NshouldberevisedtoreadDL+SRSS(OBEI, OCCE)forplantemergency loadcombination.

5.4.1.8TaskN-SWP-08ReviewofSelectedPieSuortDesinAselectednumberofpipesupportswithvarioussupportfunctions werereviewed, fordesigninput,loadingcombinations, andsupportfunctionandlocation.

Theselection includedsuppressors, variablespringhangers,-anchors,struts,andrigidrestraints.

Thisreviewhasfoundthatthelatestsupportdesignloadshavenotbeenincorporated inallsupportdesigns.Inaddition, twoPDshavebeenidentified asfollows.I5.4.1.8.1 ThereviewofpipesupportCalculation No.12177-Z19-0122 hasresultedinPD026.FSARSection3.9.3.4.1A statesthatspringhangersaredesigned5-15STONEaAWCSSTER IIIII foradown-travel andup-travel inexcessofthespecified thermalmove-menttoaccountfordynamicmovements.

Inthiscalculation,'he pipemovements duetodynamicloads(seismicandhydrodynamic) werenotcon-sideredwhencheckingtheworkingrangeofthevariablespringhangers.Thisconcernappliestoallspringsin'hepipestresspackagesAX-19Land19Funderreview.5.4.1.8.2 Thereview'fpipesupportCalculation No.12177-Z19-0338 hasresultedinPotential Discrepancy 33.Extrapipesupportloadsduetogeological movements inadditiontootherloadingsareprovidedinpipestressCal-culationNo.12177-NP(c)-AX-19F, Revision3,datedOctober28,1982.Thisrevisionofpipesupportloadsisnotusedinthesupportdesigncalculation, butanearlierrevisionwithoutsuchloadsduetogeological movements isused.Inaddition, thecurrentrevisionofpipesupportloadshashigherthermalloadthantheonesusedinthedesign.Thispipesupportdesignanditsstructural attachment loadsmayhavetoberevised.5.4.2OnsiteEmergency ACPowerSystem(EPS)5.4.2.1TaskN-EPS-01ReviewofEuimentuglification forSeismicIoadTheseismicqualification of4,160-Vmetal-clad switchgear wasreviewed.

Purchasing Specification No.NMP2-E015F, 4,160-VMetal-Clad Switchgear, andVendorCertified SeismicReportwerereviewed.

Theresul'tindicates thattheswitchgear isqualified toperformitssafety-related functions duringapostulated seismicevent.'5.5STRUCTURAL 5.5.1TaskS-STR-1StandardEmbedment PlatesTheintentoftheoriginalscopewastoreviewselectedcalculations fornumerical accuracybutthecalculations todetermine theallowable loadsonstandardembedment platesusingheadedanchorstudsarecurrently beingsuperseded.

Thenewcalculations havenotbeencompleted andarenotchecked.Therefore, thereviewwasredirected toassessthemethod-ologybeingusedinthenewcalculations.

Theobjective ofthesecal-culations istodetermine theallowable loadswiththeattacbments atanypointontheplateandtoincludetheflexibility criteriaofNRCIREBulletin79-02.Reviewofthecalculations indicates thattheanalytical methodusedisappropriate.

TheFSARstatesthatpipesupportsusingbaseplates andconcreteexpan-sionanchorboltsaredesignedusingtheflexibility criteriaofNRCISEBulletin79-02.Althoughnotspecifically mentioned intheFSAR,embed-dedplatesusingheadedanchorstudswillbehaveexactlythesameasbaseplates withconcreteexpansion anchorbolts,andtherefore bothsys-temsshouldbeanalyzedinthesameway.Afiniteelementnonlinear analysisisusedtocalculate thestudloadsandtheplatestresses.

TheSTARDYNE/SPRING computerprogramisusedand5-16STONC&WCBSTER IIIIIIIIII theinterface betweentheconcreteandthebaseplate ismodeledasanon-linearspring.Thestiffness oftheattachment isincludedinthebase-platemodel.Oneoftheparameters uponwhichtheallowable loadsontheembedment platesdependistheallowable ultimatepulloutloadsonthestuds.Therecouldbeapossiblefuturelicensing questionwiththemethodusedtocalculate theallowable ultimateloadsonthestuds.TheNineMile.2Projectiscommitted todesignconcretestructures inaccordance withtherequirements ofACI318,exceptasmodifiedintheFSAR.ACI318,however,doesnotgiveanyspecificrequirements forthecalculation oftheallowable ultimatepulloutloadsonembeddedstuds.Thesevaluesweretakenfromthepublication DesignData10,Embedment Properties ofHeadedStuds,TRWNelsonDivision, hereafter referredtoastheNelsonStudCatalog..ACI349,AppendixB,doesspecifyrequirements forthecalculation ofallowable ultimatestudloads,andusingthemethodsofACI349resultsinlowerallowable loadsthanthosegivenintheNelsonStudCatalog.TheNineMile2Projectisnotcommitted toACI349,andAppendixBhasnotyetbeenacceptedbytheNRCinRegulatory Guide1.142,Revision1,datedOctober1981.However,thediscussion inRegulatory Guide1.142doesstatethatthestaffintendstoendorseAppendixBinaregulatory guidebeingdeveloped toaddresscomponent supportanchors.Itdoesappearthatinthefuturethe'NRCcouldrequirethatallowable embeddedstudloadsshall,becalculated usingthemethodsofACI349,AppendixB.5.5.2TaskS-STR"2CableTraSuortSstemsTheintentoftheoriginalscopewastoreviewselectedcalculations fornumerical accuracy.

However,theseismicverification programfortheplanthasnotbeencompleted, andtheeffectofthenewseismicresponsespectraonexistingcabletrayandconduitsupportdesignshasnotbeenfullyassessed.

Therefore, thereviewwasredirected toemphasize themethology usedinthecalculations.

Theresultswerereviewedtoseeiftheywerereasonable fortheoldseismicresponsespectra.TheFSARstatesthatCategoryIcabletraysupportsystemsareanalyzedusingamodalanalysis/response spectramethodincluding seismicand/orhydrodynamic loads,andthatthedynamicresponses tothedynamicloadssuchasLOCA,SRV,andOBE/SSEarecombinedbythesquareroot,ofthesumofthesquares(SRSS)method.Reviewofthecalculations indicates thatthemathematical modelingofthecabletraysupportsystemsandthedynamicanalysismethodiscor-rect.TheSTRUDLcomputerprogramisusedtodothefrequency/response analysis.

Thedesignofthecabletraysupportsystemmemberscomplieswiththerequirements oftheAISCSpecification forthedesign,fabrication, anderectionofstructural steelforbuildings, whichisanFSARcommitment.

5-17STONE6WKDSTKR IIII 5.5.3TaskS-STR-3ConductSuportSstemslI.sTheFSARstatesthatcableandsupportswithsafetyfunctionaredesignedtowithstand theeffectsofseismicand/orhydrodynamic loads,andthatthedynamicresponses tothedynamicloadssuchasIOCA,SRV,andOBE/SSEarecombinedbythesquarerootofthesumofthesquares(SRSS)method.Themethodnormallyemployedinthedynamicanalysisofconduitsupportistoapplythepeakvalueoftheappropriate amplified responsespectrumintheresonantrangeasanequivalent staticload.When,intheopinionoftheproject,alessconservative butmorecorrectsetofdynamicloadsisdesired,adynamicanalysisisdoneontheconduitsupportinthesamemannerasisdoneforthecabletraysupports.

IsIiI\IIIt.sIilReviewofthecalculations indicates thatbothoftheabovemethodsofdynamicanalysishavebeenusedcorrectly.

Thedesignoftheconduitsupportmemberscomplieswiththerequirements oftheAISCSpecification forthedesign,fabrication, anderectionofstructural steelforbuild-ings,whichisanFSARcommitment.

5.5.4TaskS-STR-4BaselateswithDrilled-in AnchorsforConduit~SoortsTheFSARstatesthatpipesupportsusingbaseplates andconcreteexpan-sionanchorboltsaredesignedusingtheflexibility criteriaofNRCI&EBulletin79-02.Althoughnotspecifically mentioned intheFSAR,conduitsupportsusingbaseplates andconcreteexpansion anchorboltsarealsodesignedusingtheflexibility criteriaofNRCI&EBulletin79-02.Areviewofthecalculations indicates thatthedesignmethodusedistheonedescribed inCHOC-EMTR-605 datedJuly8,1981.Withinthebaseplate sizeandthickness limitation specified, CHOC-EMTR-605 meetstheflexi-bilitycriteriaofNRCI&KBulletin79-02.Thedesignmethodforthebaseplates istherefore considered satisfactory.

5.5.5TaskS-STR-5Screenwell BuildinDischareBaWallsThelicensing commitment forthedesignoftheSeismicCategoryIpor-tionsofthescreenwell buildingisgiveninSection3.8.4oftheFSARandtherequiredstrengthforloadcombinations isgiveninTable3.8-11oftheFSAR.Reviewofthecalculations indicates thatthewalldimensions usedareinaccordance withthedrawingsandthattheappliedloadcombinations aresatisfactorily incorporated inthedesign.Thewallsaredesignedbyanelasticanalysisforoutofplaneloadingusingflatplateequations fortwo-wayactionandbeamtheoryforone-wayaction.Elasticanalysisusingbeamtheoryisusedforin-planeseismicloading.ThewalldesigncomplieswithACI318,AmericanConcreteInstitute Build"ingCodeRequirements forReinforced

Concrete, whichisanFSARcom-mitment.5-18 yEl 5.6EQUIPMENT QUALIFICATION ProjectProcedure (PP)76,ControlofEquipment Requiring Qualification, andtheEquipment Qualification Section(EQS)Operating Procedures ManualidentifytheprojectEquipment System(pES)document(particularly PES800)asthebasedocumenttobeusedforthepreparation ofthe-....Equipment Qualification Document(EQD)thatwillsupportthecommitments ofFSARSection3.11,Environmental DesignofMechanical andElectrical Equipment.

ThePESdocumentisthe"MasterList"ofequipment requiring qualification.

Noprocedures presently existsprovidngdirection totheprojectontheimplementation ofthePESsystem;however,suchaproce-dureisunderpreparation andshouldbeissuedshortly.Theprojectprocedure thatprovidedforthetransmittal ofdocuments betweendisciplines involvedinthequalification program(PP17)hasbeencancelled.

TheEQSpresently references thisprocedure asthecon-trollingdocumentforthe"FlowofDocuments BetweenProjectsandEquip-mentQualification Section(seeProcedure EQ-5-1-0datedAugust2,1982).Currently, nootherprocedure existstoprovideforthedocumenttrans-mittalineithertheNMP2ProjectProcedures or'theEQSOperating Pro>>cedures.ProjectProcedure PP81,Revision1,SupplierDocumentHandlingSystem(SDHS)andPP87,Revision0,ReviewofSupplierEquipment Quali-ficationDocumentation, arebeingpreparedandatpresentareoutforcomment.PP81willreplaceProjectProcedure PP17andPP87willbeanextension ofPP81,specifically forthehandlingandreviewofvendor-suppliedqualification documentation.

Theseprocedures, whenimple-mented,willprovidethenecessary controlsneededfortheprojecthand-lingofvendorqualification documentation.

Theseprocedures needtobeincorporated intotheEQSOperating Procedures Manualtoensure,thatthehandlingofthesedocuments isconsistent betweentheEQSandNMP2.TheEQSOperating Procedures Manualidentifies theprocedures bywhichtheEQSfunctions.

Notallprocedures identified inthetableofcon-tentsexistatthistime(i.e.,EQ-6"0-0andassociated procedures).

EQSprocedure EQ-7-1-0, RequiredEquipment Qualification SectionWorkingFiledatedAugust2,1982,requirestheEQSreviewers'o prepareanEnviron-mentalQualification SummarySheet.Thissummarysheetistobeincor-poratedintotheEQD,therebybecomingasupporting documentforFSARSection3.11commitments.

Nowrittenprocedure isprovidedatthistimeforthecompletion ofthisform.TheEQSispresently reviewing available vendorqualification submittals againsttheenvironmental requirements imposeduponthevendorbythespecifications.

ProjectSpecification No.NMP2-EDLS, Environmental DesignLimitsSpecification, willprovideacontrolled documentthatliststheindoorenvironmental conditions resulting fromnormal,abnor-mal,andaccidentevents.Thespecification ispresently onlyinthepreliminary stagebutisexpectedtobereleasedinthenearfuture.Thisdocumentwillcausearevisiontospecifications andto,thestatusofequipment listedinthePESdocumentwhenreleased.

Thisspecifica-tionwillalsobecomethebasisforthecomparison ofthevendorqualifi-cationdataagainstplant-specific conditions.

5-19STQNcthWKssTKR IIIll FSARSection3.11commitstothequalification ofmechanical equipment.

Presently, noNRCrequirements existforthequalification ofmechanical equipment; however,basedonNRCrequeststoCENTI'sPerryProjectandfromIILCO'sShorehamProject,theClienthasaskedtheNMP2Projectforrecommendations forthequalification ofmechanical equipment (reference R.P.Byrnes'emorandum datedJuly27,1982,toP.A.Wild,Attachment GtoSWECLetterNo.T-59,571datedApril29,1983).Thereferenced memo-randumalsoidentifies the%lP2ProjectProcedures forthequalification ofmechanical equipment.

Thesearetheonlyprocedures thatexisttodateformechanical equipment.

Theprocedures, ifimplemented

formally, wouldprovidearesponsesimilartothatprovidedfortheShorehamProj-ect.BasedonthePerryProject,theShorehamProject,andtheHanford2Project,theNRCwillrequireamechanical equipment qualification pro-gramsubmittal beforeapproving fuelload.Theequipment qualification programbeingperformed bythe%1P2ProjectdoesnotincludeNSSS-supplied equipment.

Thisequipment isbeingre-viewedbyGE.ProjectGuideline (PG)55,TrackingQualification StatusofGE-Supplied Equipment, datedFebruary14,1983,providesforprojectcontroloftheGEeffort.5.7INTERDISCIPLINE COMMUNICATION Inadequate interdiscipline communication hasbeenfoundinthefollowing areas.5.7.1Theexistingsystemfortheuseofstandardembedment platesisthatthediscipline usingtheplatecomparesitsloadswiththeallowable loadsissuedbythestructural projectgroup(notethattheallowable loadspresently inusedonotincludetheflexibility criteriaofNRCISZBul-letin79-02).Iftheappliedloadsarelessthantheallowables, thestructural projectgroupj.snotnotifiedofthevalueoftheloadsontheplate.Theweaknessofthisprocedure isthattheStructural Groupcan-notreadilytabulatetheappliedloadsonanyparticular embedment plate.Thissituation canbecorrected whenanadequatestructural verification programisimplemented ontheproject.5.7.2Poorinterdiscipline communication betweenpowerandstructural disci-plineswasobservedinthedesignofthewallbetweentheintakeandthedischarge baysinthescreenwell buildingfornormaloperation withfaileddiffuser.

Therequireddifferential headofwateronthiswallis49feet.Thewallwasdesignedforadifferential headof40feet.Thereisenoughconservatism inthedesignsothatthewallisstillade-quatetoresistaheadof49feet.Thiscalculation shouldberevisedtoreflectthecorrectdifferential head.5.7.3Theimplementation ofECNNo.SWP-040ontheESKsandtheone-linedraw-ingwasreviewed.

ItwasobservedthattheESK-5SWP07 hasincorporated 5-20STONESWEBSTCR IIIII ECNNo.SWP-040butone-lineDrawingNo.EE-IQ-6hadincorporated itincorrectly.

ThisitemwasincludedinPD019.5.7.4Theimplementation oftheloadsequencer undervoltage relaytrippingschemeintheESKsandtheone-linedrawingwasreviewed.

Inconsisten-cieswereobservedbetweenone-lineDrawingNo.EE-IQ-6andESK-5ENS21.

ItappearedthattheESKiscorrectandthatone-lineDrawingNo.EE-IQ-6willhavetoberevisedtobeconsistent withtheESK.ThisitemwasincludedinPD019.5.7.5Thesetpoints established for2EGA"=PS7A and2EGA-PS10A differinISK-12-4A andelectrical Specification No.E031A.5.7.6Theelectrical sectionoftheFSARrequiredannunciators thatwerenotincorporated bytheControlsDiscipline intheappropriate annunciator panel(seeSection5.3.2.2).

5.7.7TheloopdiagramsNo.SWP-209andSWP-511haveaddedtheflowindicators 2SWP-FI209 and2SWP-FI511.

However,theflowdiagramsFSK-9-10serieshavenotaddedthisindicators.

5.8CONSTRUCTIBILITY 5.8.1FollowuponTaskForceMarch1981ReportonITTGrinnellPipingErectionActivities AreviewoftheMarch1981reportonITTGrinnellpipingerectionactivi-tieswasperformed, andallsuggested actionscontained inthereporthavebeenaddressed orimplemented.

Therearetwosubjects, however,worthnoting.ITTGrinnellshouldcontinuetheireffortstoprovidequalified nonmanual personnel intheareasofsupervision,

planning, siteengineering, andqualitycontrol.Althoughoneofthetaskforce'srecommendations in-cludedloanofpersonnel tosupplement ITTGrinnell's staff,thisshouldbeconsidered asaninterimarrangement.

Thepresentemphasisofinstalling bulkquantities isanormalandneces-sarymodeofoperation atthisstageoftheproject.However,itisalsoprudentnottosetaside,overlook, orpostponetoolongthecompletion ofsystems.Thefieldsiteisawareofthis,andstepsarebeingtakentoorganizetheteamtosupportworktrackingandsystemcompletion for'urnover.

5-21STONE'(WcBSTER'I lII 5.8.2SupportsInterferences Generally, evenwithtolerances established forlocationofitems,therearenumerousoccasions wheretolerances havetobeexceeded.

ThismeansthatanESDCRisissuedidentifying theproblemandtheresolution toallowadditional tolerance orredesigntheinterfering membertomaintainthepositionofthesubsequent installation (usuallyhanger(s) forpipingorcabletray)Theredonotappeartobeanyseriousproblemstodatewithinterference ofpipetopipe,pipetocabletrayorHVACduct,orcabletraywithHVACduct.Themajorinterferences withinthesethreedisciplines areduetothehangersofonediscipline interfering withanotherdiscipline, hanger-to-conduit interference, andoccasionally ahanger-to-hanger interference.

Permanent plantinstallation interference withtemporary construction featuresisnotconsidered inthisreview.Theestablished methodofresolving interference problemsiswithESDCRsandACNs.Therangeoftimerequiredforresolution dependsontheemphasisgiventotheparticular problemalongwiththedegreeofcompli-cationsandcanvaryfromseveralhours(rarity)toseveralmonths.Thetechniques, usedintheindustrytodaytoattempttoavoidinterfer-ences,i.e.,manualcross-checking ofdrawings, composite

drawings, andmodeling, appeartoworkwiththeamountofinformation available atagiventime.Theproblemisnotsomuchthelargeitems,whichareeasiertoillustrate, butthemagnitude anddensityofsmallercomponents ofsystemssuchashangersandconduit.Astheseitemsdonotappearon'omposites ormodelstobeseen,theyinherently

.aresuspectsformore-interference problems.

Theproblemgrowsworseasthedensityofworkincreases inagivenarea.Thisnecessitates awalkdownandpartialtocompletelayoutpriortoinstallation.

Lightingandcommunications con-duits,whereinstalled earlyorbeforeareasareoccupiedbythepipe-fitters,areexperiencing ahighrelocation rate,reportedly 60to65percent.Otheritemsrelatingtosupportsandinterferences are:Thedrilled-in-anchor programisexperiencing delaysforre-queststocutreinforcing steel.Providing theinstaller withsufficient flexibility tomovethesupportasrequiredtomissthesteelwouldreducethesedelays.Restriction ofmaximum3ft0in.unsupported lengthofcableisnotappropriate inallcases.Arelaxation to5or10feetassituations dictatewouldgreatlyreducethenumberofEBDCRsand,presumably, unsats.Anumberofareasinthecontrolbuildingandelsewhere (southelectrictunneltoauxiliary bay)maynotbearrangedsuchthata3-ftmaximumlimitation canbeachieved.

TheSEGEngineers authorized tosignACNsneedtobelocatedwithconstruction supervision topromoteateameffortformoretimelyresolution ofinterferences.

(Itisreasonable tocon-siderthatcontractor's engineers mightbeauthorized tosignACNs).5-22STONE6WEBSTER

'IIII Smallborebaseplates (drilled-in plates)aresomassivetheirsizeisoftennotappreciated whensupportsforsmallbore(including conduit)arespottedonthedrawings.

~Accessibility fortubesteeltotubesteelweldsonsomehan-gersbeinginstalled afterpipeiserectedmightbenefitfromfurtherchecking, particularly forwraparound weldssupporting pipelinesof12in.diameterandbelow.4Composite checkinginCategoryIIareasonaselectedbasismightbeexploredtoavoidinterdiscipline interference.

Foradditional information onspecificsupports, seeAppendixConstruc-tibilityTaskNo.3.5.8.3Installation Practicality AreviewoftheservicewaterEPdrawingswasmadetodetermine whetherthedrawingsprovidedadequateinformation tofabricate andtoinstallsaidpiping,valves,expansion joints,strainers, etc.Thisincludedservicewater=pipinginthepumpbay,turbinebuilding, reactorbuilding, andemergency dieselgenerator building.

Asdepictedonthedrawings, thedensityofpipelines isnotsuchthatitimposesaburdenoninterpretation ofrouting,flowdirection, linedesignation, XYZcoordinates, andvalveorientation.

'lthoughnotcon-sideredascomposite

drawings, thereisevidencethatindicates agoodamountofeffortwasputintoavoidinginterferences ofpiperoutingwithitemssuchashatches,stairways, ladders,chases,elevators, doors,platforms, concretewalls,andstructural steelcolumnsandbeams.Whatwasnotshownwasinterfacing withHVACducts,electrical

raceways, otherpipingsystems,andhangerlocations.

Asstand-alone

drawings, theyappearedtoprovidesufficient dataandclaritytofabricate anderectthepipingwithfewornoproblems.

Acautionary remarkisthattherevisions ofthedrawingsreviewedwereIssues4,5,6,orlater,anditispossiblethatfirst-release drawingsmayhavelackedsomespecificdesiredinformation.

Theasteriskmark(-)isusedthroughout ontheEPdrawings, butnodefi-nitionorreference isgiventoexplainitsfunction.

Theexplanation shouldappearasanoteonatleasttheleaddrawingofaseriesofdraw-ings.(Weunderstand thattheasteriskistosignifyitemsthataresafetyrelated).

Ingeneral,therewereonlyafewitemsidentified asbeingtooimprac-ticaltoinstallasdescribed inAppendixA,Constructibility TaskNo.3.Mostofthecommentsorcomplaints ondifficulty ofinstallation weregenericinnatureaswouldbefitanylarge,complexproject,particularly aprojectundertheauspiceorscrutinyofaregulatory agencysuchastheNRC.5-23STONC&WIKBSTKR IIIIIIII Commentsdiscussed wererelatedto:~Tolerances

-Thetolerances issuedbyEngineering forConstruc-tiontofollowareforareason,especially whereitemssuchasconnection pointsarepreengineered toparticular dimensions.

TofavorConstruction withlargertolerances runstheriskofinterfering withotherdiscipline activityorthechancethatasystemas-builtwouldnotbeacceptable withoutsomealtera-tion.Duetotolerances, themajorcontractors haveinstituted aprogramwherebywalkdown(s) andLevelIsurveysbysurveying personnel arenecessary priortoinstallation andinsomecasespriortofabrication ofitems,e.g.,hangers.Whiletolerances arenecessarily tighttoavoidconflicts betweencontractors, agreement betweencontractors'onstruction andengineering toprovidemoreflexibletolerances tobeusedonlywheninstal-lationinaccordance withthedrawingcannotbeachievedwouldconsiderably reducethenumberofinterferences requiring reso-lutionbyESDCR.ForCategoryI/seismic electrical conduitinstallation, greaterflexibility tomoveconduitandsupportswhilemaintaining thebasicconceptofthesupportsystemshouldbeconsidered.

Also,conduitinstallations mightbe"generally" enhancedby:Approving theuseoftwoorpossiblythreeshimplatesunderdirectattachedconduittoallowclearance forpull-boxesandbaseplates, aswellassatisfying criteriaforsupportsproximity toconduitbends,i.e.,extendthepre-sentlimitof5/8-in.maximumshimmingdimension.

Encourage contractor torequestdirectattachment inlieuofdesignedsupportswherethecontractor believesitwouldbenefithiseffortandprovidetimelyresponsetosuchrequests.

Continuetoprovideflexibility inrequirements similartoallowing4ftsupporteithersideofa90degelbowinlieuoftheoriginal1ftrequirement.

Allowrotationofsimpletubesteelpostsupportstosuitas-beatconduit,e.g.,floorpostsupportonwestendofsouthelectrictunnel(extendtoallareastheallowance torotatesupportsprovidedbyNote4onDrawingNo.EE-460AGintheprimarycontainment).

Theindustryhasbecomesoprocedure-oriented thatgoodjudg-mentpractices forfieldinstallation havebeenruledoutunlesssomehowthisjudgmentisconfidedorimpartedtotheengineers andacceptedaspartoftheresolution toaproblem.Thenecessary verification ofitemsofworkhascreatedapapermilltowhichallhandsaretiedandhashadquiteaneffectonperformance orefficiency ofindividuals.

5-24STONERWEBSTER III Generalaccesstomostofthebuildings isgood;however,someareas'suchastunnelsandpassageways areverycongested andquiterestrictive, makingitdifficult fororderlyinstalla-tion.Theinstallation problemsatNineMile2arenomoreseriousthanforothernuclearpowerplants.5.8.4ClarityandCompleteness ofEngineering ProductsAttheoutsetitmustbestatedthatdocuments inexistence today,e.g.,drawings, areinmostcasesrevisedversionsofthoseoriginally issuedforconstruction.

Assuch,theclarityandcompleteness ofengineering documents doesnotappeartobetheproblemthatexistedinthepast.Thisisnottosaythatnoproblemexists,ratheralesssevereone,andattention shouldbegiven,tothosefirst-issue documents readyforreleasenoworinthefuture.Prominterviews withvariousconstruction personnel atthesiteandCHOC,thanasignificant problem.Theoccasional lackoflegibility apparently isduetooriginaldrawingsbeingworkedonrepeatedly.

Consequently, thereproductions losequalitysoastobeillegible attimes.Also,occasionally therewouldbesomedouble-image printsthatwerethefaultofthereproduction processorequipment.

Thestrongest complaint re-gardinglegibility wasthatsomevendorreproducibles andprintswereofpoorquality.Thereasonforthiswasnotexplored, butthishasbeenacomplaint formanyyearsonmanyjobs.Itisanareathatneedsconstantattention bytheinitialrecipients, usuallyEngineering, topressven-dorsforbetterqualityprintsandreproducibles.

Asidefromlegibility, thecomplaints regarding overallclarityandcom-pleteness ofengineering productsconsisted ofthefollowing:

Duetomanyfactorsassociated withinterpretation orchangesinengineering data,thevolumeofE&DCRsandACNshasbecomeaconstantsourceofannoyance.

ThebasicconceptoftheE&DCRstoprovideinformation orresolutions toproblemsinanexpedi-tiousmannerhasgrownintoapapermonsterchallenging theabilityofalluserstouseandmaintainthesedocuments inanorderlymannersubjecttoaudits.Inextremecasestherearereportedly uptoapproximately 40E&DCRsandACNsattachedtoadrawing.ItisapparentthatProject,Procedure PP-16,whichstatesthatdrawingsmustberevisedafterfiveE&DCRsaccumu-late,isnotbeingfollowedinallcases.InsomecasesthefieldthinkstheE&DCRsystemisbeingabusedsinceafollowupE&DCRcanmodifyoraugment,apreviousone.EachE&DCRshouldstandalone;Theisometrics producedbyITTGrinnellinKernersville, NC,donotincludeshopweldidentification inallcases.Theseshopweldsapparently arerequiredtobeidentified ontheisometric orthey.arenotacceptable aspartoftheplannerpackage.Thisbeingthecase,thoseisometrics whichareincomplete must5-25SToNe&WessTea IIIIIII beupdatedbyITTGrinnellfieldpersonnel inordertobeusable.Criticism wasalsoleveledatKernersville fornotdevotingenoughreviewtimeontheirisometrics, asapproxi-mately25percentrequireEGDCRstoupdatethemforconstruc-tionuse.ThefieldalsobelievesthataBillofMaterials shouldbeincludedontheisometrics bythepreparer, including thesmallboreisometrics initiated byCHOC.TheclarityofBZdrawingsdidnotcomeunderfireasanticipated.

Commentssuchas"sizeorlengthofweldsaresometimes needed"donotappeartoconstitute amajorproblem.Itisourunderstanding thatCHOCManagement hasimplemented arevisedchecklist fordesignthathasimprovedtheclarityofinformation ontheBZdraw--ings.IItappearstobeaconsensus atthejobsitethatthetermina-tiontickets,forthepurposesofterminating, areuseless.Terminations arebeingmadeutilizing thelatestissueofthewiringdiagrams.

Afterterminations aremade,theissuenumberofthewi~ngdiagramistransferred tothetermination ticketforrecordpurposes.

Thetermination ticketisthenusedbyQualityControlfortheirverification andofficialrecord(s).

Thedatarequiredforlocatingsmallborepipe,instrument tub-ing,andsupportsofpreengineered systemsareanissueofsignificant proportions.

Typically, workpointreference dimensions withrespecttothebuildingareonlygivenateachendofthepipingonaDPdrawing.Inordertolocateanyotherpointinthepiping,whetheritbeforasupport.locationorchange-of-direction coordinate, atrigonometric calculation mustbeperformed forthesurveyors tomakeaproperlayout.Presently thesecalculations arebeingperformed bythefield.Ithasbeendiscovered inasufficient numberof.casesthatthedimensions andanglesgivenforpiperoutingdonotalwaysleadfromoneworkingpointtotheotherandcontaininaccuracies inexcessof1in.toseveralfeet.Itisthefieldsopinionthatitwouldbep'referable forCHOCtoprovidethesupportandchange-of-direction coordinates whendesignisbeingaccomp-lishedalongwiththeend-of-pipe location.

ThereisafeelinginthefieldthattheLineDesignation Tableisadocumentissuedforinformation onlyandassuchisnotbeingupdatedasoftenasitshouldbe.BothSPECandITTGrinnellusethisdocumentinthefield.Itshouldbeissuedasacontrolled documentandrevisedasnecessary.

ThepresentissueinthefieldisdatedMay24,1982.Thespecification forthesheetmetalcontractor wasexploredandseveralareasofconcernwerenoted.Reportedly, thespe-cification doesnotmakeclearthedocumentation (datasheets,certification papers)thecontractor isrequiredtosupplynorare.theyclearonprocedure submittals astosimplesubmittal for"information,"

for"review"orfor"approval."

Thespeci-ficationalsolacksinformation intheareaofequipment tobe5-26STONS0WKSSTER II procuredbythecontractor.

Thedampersreportedly arerefer-encedtoacatalogue numberwithnootherrequirements statedandinrealitytherequirements, thoughnotspecified, areextremely

detailed, causingconfusion anddelaysindrawingapprovals andreleaseforfabrication.

Thereisalsosomeareaofconcernbythefieldonresponsibilities ofthecontractor asto:tjlil[L~(III~lLIIa)Approvalrequirements forthecontractor's nonseismic supportdesign,i.e.,approvalofgenericdesignorapprovalofeachdesign.b)Submittal ofas-builts toindicatelocationofnon-seismicsupports.

5.9STATISTICAL RESULTSThereviewoftheservicewatersystemandtheonsiteemergency acpowersystemrequiredtheuseofabroadcross-section ofdocumenttypespre-paredbybothSWECandequipment vendors.Eachofthesedocuments orportionsthereofwere-compared totheappropriate basedocumentand/ortheCESARcommitments.

Insomecasesthereviewdocumentofonetaskbecamethebasedocumentofasubsequent task.Table5.9-1isamatrixofthedocuments reviewedversusthequantityofinconsistencies bytype.5-27SVONe&WensvcR IIIIIIII TABLE5.9-1DocumentQuantityReviewedMinorErrorsandInconsistencies Potential 962193FSARTable.8.3.1262258411064105214ngs92n14Specifications Calculations TrayLayoutDrawingOne-LineDrawingsElectMotorandLoadEQMListLogicDiagramsLogicDescription Instrument DrawingsI,oopDiagramsEmbedment DrawingsConduitDrawingsConcreteDrawingsElementary DiagramsFMEAFSKSheetsPipingDrawingsPipingSupportDrawiProjectProcedures

,PipeSupportIocatioDrawings734287217235164352425-28STONE6WEBSTdR IIIIIIII STONE6WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT"NPPUNITNO.2INDEPENDENT DESIGNREVIEW,PROGRAM Form11Page1of1POTENTIAL DISCREPANCY (P.D.)IOGP.D.NO.OIRNO.DISCIPLINE SYSTEMTITLEOFP.D.TASKNO.001002003004005006007008009010011001002003004005006007008009010011Electrical ControlsE1.ectrical Electrical Electrical Engineering Mechanics Engineering Mechanics Electrical ControlsControlsPowerOnsiteEmergency A-C.Power ServiceWaterOnsiteEmergency A-CPowerOnsiteEmergency A-CPowerOnsiteEmergency A-CPowerServiceWaterPipingServiceWaterPipingOnsiteEmergency A-CPower.ServiceWaterServiceWaterOnsiteEmergency A-CPowerReserveStationServiceTransferSizingCalculation ControlBoardDesign-HumanEngineering Discrepancy ReserveStationServiceTransferSizingCalculation StandbyDiesel-Generator 2EGS*EG1SizingCalculation 600VACPowerCableS'zingGaleSeismicAnalysis/Service WaterPipingStressCalcAik-19LWaterHammerAnalysis/Service WaterPipeStressGaleAZ-19L600VACPowerCableSizingCalcInstrument LoopMeasurement RangeTransmitter Specification OnsiteEmergency PowerE-EPS-1C-SWP-5E-EPS-1E-EPS-2E-EPS-7N-SWP-02N-SWP-02E-EPS-7C-SWP-5C-SllP-5P-EPS-3-013014015OI3014015PowerElectrical Engineering Mechanics OnsiteEmergency A-CPowerOnsiteEmergency A-CPowerServiceWaterPipingFuelOilStorageTankCapacityStandbyDieselGenerator P-EPS-3-:

5KVPowerCableSizing.DynamicModelofSRVHydrodyna-micLoadingCalculation AX-19FN-SWP-02C2/1217773/1/2RH 03/074/83 37STONE6WEBSTER I,III STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-'PPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm11Page1of1POTENTIAL DISCREPANCY (P.D.)LOGP.D.OIRNO.DISCIPLINE SYSTEMTITLEOFP.D.TASKNO.016016Engineering Mechanics ServiceWaterPipingSeismicARSEnvelopes forServiceWaterCalcAX-19FN-SWP-02017017PowerrOnsiteEmergency A=CPower'dequateVentilation forDieselGenerator ControlRoomsP<<E.S-1018019021.022023018Controls019Electrical 021Electrical 022Controls023Electrical ServiceWaterOnsiteEmergency A-CPowerOnsiteEmergency A-CPowerStandbyPowerOnsiteEmergency A-CPowerOneLineDwg.ReviewReviewoftheOne-LineDwg.12177-EE-lg-6 FlowElementSizingE-EPS-12E-EPS-12C-EPS-3600VCableSizingCalculation E-EPS-7Indicator SwitchesonPanel601C-SWP-4024024PowerOnsiteEmergency A-CPowerAdequateVentilation fortheEmergency Swi,tchgear AreaP-EPS-2025025ControlsOnsitpEmergency A-CPowerElectrical ControlBoardReviewC-EPS-3026031026Engineering Mechanics 031.Controls ServiceWaterServiceWaterInstrument PipingC-SWP-6VariableSpringHangerDesignN-SWP-08032033032033Engineering Mechanics Engineering Mechanics ServiceWaterPpgServiceWaterLineARSPeakSpreading PipeSupportDesignforGeological Movements N-SWP-02N-SWP-08C2/1217773/1/2RH 03/074/83 syogg8(wRssTRR

~IRi)

CONSTRUCTIBILITY REVIEWFINDINGLOGTaskNo.1-ITTGrinnellReportTaskNo.2-SupportsInterferences TaskNo.3-Installation Practicality TaskNo.4-ClarityandCompleteness ofDrawings5"29syogg4WKSSTKR I~~~~~~gi~~~'l STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT"NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY (P.D.)REPORTP.D.No.001SystemOnsiteEmergency A-CPowerSystemDiscipline SubjectReserveStationServiceTransferSizingCalculation TaskNo.E-EPS-1OPenItemReportNo.001DESCRIPTION:

FSARSection8.2,Criterion flrequiresthateachreservestation'servicetransformer becapableofbringingtheplantup'to25percentpowerduringstart-up.

Theservicewatersystemrequiresthatfourpumpsberunningfor25percentpoweroperation.

Withonlyonereservestationservicetransformer available, theelectrical distribution systemcanprovidepowertosafetydivisions IarIIanddivisionIII.TherearethreeservicewaterpumpsinieachofthesafetydivisionIandII.Therefore, duringabovementioned condition, theelectrical distribution systemcansupplypowertoonlythreeservicewaterpumpsandnotfourpumpsasrequiredbythesubjectcalculation.

Note:Duringnormalplantstartupbo-threservestationservicetransformers areavailable andcanprovidepowertobothsafetydivisions; Criterion 2,FSARSection8.2.%$'iginstor%viceProjectEngineer+~~M H~EngineerManagement SponsorY4C2/1217773/1/2RH 03/074/83 STONL'IWKSSTIIR

~~)~~~~/5,~~~~~'l STONE6WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1wf1XSTENTIAL DISCREPANCY (P.D.)REPORTP.D.No.002SystemServiceWaterDiscipline SubjectControlBoardDesin-HumanEngineering Discrepancy TaskNo.C-SWP-5OpenItemReportNo.002DESCRIPTION:

Indicators 2SWP*FI533 andFI523mountedinmirrorimagetoredundant Indicators 2SWP*FI567 andFI534.Niginator

%hviewProjectEngineerEngineerManageaent SponsorDate;~/'sf~~naazS/FC2/1217773/1/2RH 03/074/83

$7sTQNRCkWC6STER f~)~l~I'~~~~

STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Pagel.of1POTENTIAL DISCREPANCY (P.D.REPORTP.D.No.003SystemOnsiteEmerencA-CPowerSystemDfscfp]ineSubjectReserveStationServiceTransferSizingCalculation TaskNo.E-EPS-1OpenItenReportNo.003DESCRIPTION:

Thecalculation EC-3requiresthateaChreservestationtransformer becapableofbringingtheplantto25percentpower,providesparecapacitys~forfutureloadgrowth;andalsosupplyLOCA.loads.Thecalculation checkwasmadetoverifythatthereservestationservicetransformer hassufffcient capacitytomeettheaboverequfrements (withthelatestavailable motorandloaddate).Asaresu1,tofasfgnifi-cantincreasefnthe600Vloadrequfremont thedemandonthereservestationservicetransformer wil1be79MVA.Thereservestationservicetransformer (2RTX-XSRlA) fs.ratedat42/56/7GMVA.

Therefore,.

theloadonthetransformer exceedsitscapacity.

llteo:Thesparetapatttprequdrssent (ISpercent+12}ipd)sseuneddnthecalculation shouldbereviewedinviewofthecurrentstatusoftheplantdesfgn.Ifreduction fnthesparecapacityrequirement of9MVAisacceptable thentheplantloadswf11bevfthfnthecapacftyofthetransformer purchased.

~oiginator~~viewProjectEngineerEngineerManagement Sponsor~rDate.-0-6P3Da~tnhsos'CgQDatg5C2/1217773/1/2RH 03/074/83 37SToNc&WKosTER l~~~~I~~~i~~

STONE&WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOSTSCORPORATION NINENILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1'POTENTIAL DISCREPANCY P.D.)REPORTP.D.No.004SystemOnsiteEmerencA-CPowerSystemDiscipline SubjectStandbDiesel-Generator 2EGS*EG1SizingCalculation TaskNo.E-EPS-2OpenItenReportNo.004DESCRIPTION:

TheFSARcommitment (Page8.3.14)statesthat"eachstandbydiesel-generator's continuous ratingisdetermined basedonitsworst-case startingandcontinuous loaddutyunderthefollowing conditions":

~a.Simultaneous lossofoffsitepowerandLOCA.b.Lossofoffsitepowerandsubsequent LOCA.c.LOCAwithsubsequent lossofoffsitepower.d.Simultaneous lossofoffistepowerandunittrip.AsperFSARTable8.3.5,simultaneous lossofoffsitepowerandLOCAcondition imposesaworst-case loadof4679KW(2hrs.and6sec.(t).Thecontinuous ratingofdieselengineis4400K'FSAR Fig.8.3.2).The2000hourratingofthedieselengineis4750KW.Therefore, thecontinuous ratingofthedieselenginedoesnotmeettheFSARcommitment.

Nota:l.Itshouldbenotedthatattheoperating licensestage,Regulatory Guide1.9,Rev.2,permitstheuseofashort-time ratingofthediesel-generator unittoDa~i5~'CŽF3DatgW~~3fEngineerManagement SponsorVi~Ãmeettheworst-case continuous loadrequirement.

2.Thecalculation EC-32,Rev.2(underreview)indicates thattheworst-case sIloadonthediesel-generator is4339K'hich islessthan4400INcontinuous ratingofthediesel-generator.

iginatorDate;%tviewProjectEngineer'~A.

cfo~C2/1217773/1/2RH 03/074/83 STONE&WEBSTER l'I STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY (P.D.)REPORTP.D.No.SystemOnsiteEmergency A-CPowerSystemDiscip]ineSubject600VACPowerCableSizingCalculation TaskNo.OpenItemReportNo.005DESCRIPTION:

FSARSection831.14onCableknpacities andDeratingstates{onPage8.3-36):"Forsafety-related motoroperatedvalvesgQV),the'ables aresizedt:o'carry.themanfacturer's specified lockedrotorcurrentcontinuously."

Zncalculation titled600VACCableSizing,12177-EC-59-1, safety-relatedMOVcablesaresizedat55Ioflockedrotorcurrentwiththecurrentnotexceeding 300Xoffullloadcurrent.Note:ENECElecttieel Technicel Goideline ETG-V-2-3, dotedJanuary10,1975allowstheuseoftheprocedure usedintheabovecalculation (EC-59-1).

@iginator

@viewProjectEngineer/<'~~~A.

~<~"EngineerManagement SponsorPDate:5-64'>Da~E3C2/1217773/1/2RH 03/074/83 k7STQNKStWEBsTER

~l~~~~1~~~.l-j STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9PageIof1POTENTIAL DISCREPANCY (P.D.)REPORTP.D.No.006SystemServiceWaterPiingDiscipline SubjectSeismicAnalysisinServiceWaterPipeStressCalculation 12177-AX-19L TaskNo.N-SWP-02OpenItemReportNo.006DESCRIPTION:

SeeAttachment P.D.8006Originator RevievProjectEngineerEngineerManagement Sponsor~gnate(oD.teDate5~8C2/1217773/1/2RH 03/074/83 sToNEewKBST$RARSE ll5I Page1of2ATTACHMENT P.D.8006Thiscalculation 12177<<NP(C)-AX-19L-1 isthepipestressanalysisa1forpipfagfroudeRHSHeatExchanger ServiceMaterSuctionConnection tothefirstpipeanchor.ThisisanASMEIIISafetyClass3'pipingasspecified fnTSARSection3.9.3.1.2A.

Itisdesignedtowithstand levelsofloadiagimposedbytheOBEandSSE.Inthispipestresscalculation, theloadingcasesofOBEseismfcanchormovement(OBEA)andSSEinertia(SSEI)arenotfncluded.

fifththeabsenceoftheOBEAload,theEquation10(plantnormalandupsetcondftion) ofASMEIII,ND-3652.3 isnotproperlyaddressed.

Inaddition, withtheabsenceofSSEItheEquation9(plantfaultedcondition) ofASMEIII,ND-3652.2 isaotproperlyaddressed.

Additional documentation isrequiredto/ustifytheuseofcertainloadingconditions, orconsideration thattheyarenegligible.

I(A)Itwasdetermined thatOBEAmaybenegligible becauseofthefollowing reasons:EffectonPieStressAllsupportsexcepttheanchoratelevation 251'>>4"(whichisattachedtoRadwasteTunnel)lfeintheSecondary Containmeat ranginginelevation fromelev.181'oelev.240'.-Sincetheelevation involvedisatorbelowgradelevel,OBEAdfsplacements areconsidered negligible asiadicated below:~Bld.Elev.(ft)AbsoluteDisalacement Ref.Gale.Secondary DxDyDzContainment 0.0470.0070.04612177-EM3.29 23825012177-EK3.

88RadwasteTunnel0.0030.00020.011EquatfonIOstressduetothermalexpansion isonly6740psfandislowascomparedwiththeallowable stressof36~000psi.2.EffectonPieSuortOBEAloadsareincludedfnthesupportsummarybyapplyingaloadfactorof0.1toOBEI.Thisloadfactorisspecified asafootnoteinthepipesupportloadtransmittal (Attachment 2)whichisanattachment ofthesub)ectpipestresscalculation.

SvoNe6WeosveR l'Iig~~~~~~~~~

Page2of2(B)SSEIItwasdetermined bytheNMP2projectstressengineerthattheSSEARScurvesareabout25XhigherthanthosefortheOBE.However,sincethePlantFaultedCondition allowable stressistwicethePlantNormal/Upset Condition allowable stress,thestresslevelisestimated tobewithintheallowable stressforthefaultedcondition.

Forthedesignofpipesupports, aloadfactorof1.44wasappliedtothecondition ofOBEI+Suppression PoolEmergency DynamicLoadstoaccountforFaultedCondition Loads(SSELoad+Suppression PoolFaultedDynmnfcLoad+MaterHammerLoad).(C)Thepipestresscalculation mustberevisedtosufficiently addresstherequiredOBEAandSSEIloads.Remaining servicewatersystempipestresspackagesmustbereviewedtoensurethattheseloadsaresufficiently addressed.

STONC0WcbSTcR l

STONE6WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT"NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY (P.D.)REPORT~~,P.D.No.'07SystemServiceWaterPipingDiscipline SubjectWaterHammerAnalysisinServiceWaterPipeStressCalculation 12177-AX-19L TaskNo.N-SWP02OpenItemReportNo.007DESCRIPTION:

Thissectionofservicevaterpfpingshouldbedesignedforvaterhammerload.Thewaterhammerforcingfunctions aregenerated incalculation 12177-NP(C)-PX-01920, Rev.0,butitisnotincludedinthispipestressanalysis.

ThisvaterhammerloadisrequiredforEquation9(plantemergency andfaultedconditions) ofASMEIII,ND-3652.2 asperFSARSection3.9.3.1.2A.

Thestressengineerdetermined thatwaterhammerloadhasnegligible effectonthestressanalysisfnastatement intheassumption fn12177-NP(C)-AX-19L-1, Rev.1.Hovever,thisassumption wasnotre-stated inRev.3.Anevaluation vasmadeusinganexternally appliedstaticforceonthepipingandthemaximumstressduetowaterhammerloadwasonly2216psi.Waterhammerloadsinthisanalysisareduetoa4pumptripduetoLOCAandlossofoffsftepover(Loop)Forpipesupportdesign,theoccasional loadsduetoPlantFaultedCondition arecoveredbyaloadfactorof1.44timestheloadduetoPlantEmergency Condition.

Thisstresscalculatiom mustbererfsedtoaddresswaterhammerloads.Remaining servicewatersystempipestresspackagesmustbereviewedtoensurethatwaterhammerloadsareaddressed.

Originator ReviewprojectEngineerAF<Fe~'ngineer Management Sponsor~5-6'-s3Date3~d8C2/1217773/1/2RH 03/074/83 37STONCrrgWKB8TER erl STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY (P.D.)REPORT~~.P.D.No.008SystemOnsiteEmergency PowerSystemDiscipline Subject600VACPowerCableSizingCalculation TaskNo.E-BPS-7OpenItemReportNo.008DESCRIPTION:

SeeAttachment P.D.8008Originator Date5'-6-S'3sgReviewProjectEngineer~/~&'7

'ngineerManagement Sponsor~P'Date<<g>>IgC2/1217773/1/2M 03/074/83 37STONEatWEBSTER 4'~

Page1of1ATTACHMENT P.D.//008FSARSection8.2.2onDegradedVoltageCondition statesonPage'8.2<<24:"Themaximum-pe~i:5si&Xe voltagedrop...;forthemotorcontrolcenters,thisisbrokenupas4Vbetweentheloadcenterandthemotorcontrolcenter(MCC)andBVbetweentheMCCandthemotors."Incalculation titled600VACCableSizing,12177-EC-59-1, andaccording tocableschedulefor2EHS*MCC101 thevoltagedropbetweenloadcenterandMCCwillexceedthepermissible 4Udrop.Fromcableschedule:

Cablesizeis5-250KCMEstimated cablelength599ft.Maximumcablelengthallowedaccording toEC-59-1:2.5x83~207.5ft.Therefore thefeedervoltagedropwillexceedpermissible 4Vdrop.Note:1.Thevoltagedropcanbecalculated onthebasisofactualloadplussparecapacityallowance forfutureloadgrowthontheMCC.Thevoltagedropcalculation hasused600ampratingoftheMCCasloadcurrent.2.ForMCCfeedershavinglongcablelengths,thevoltagedropfrom600UloadcenterstotheMCCandfromtheMCCtomotorscouldberedistri-butedwithintheframework ofthetotalvoltagedroplimitation of12V.s>ONg8WCbSTER I4 STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREUIEWPROGRAMForm9.Page1of,1POTENTIAL DISCREPANCY P.D.)REPORT~~.P.D.No.009SystemServiceWaterDiscipline SubjectInstrument LooMeasurement RangeTaskNo.C-SWP-5OpenItemReportNo.009DESCRIPTION:

Significance ofConcern:a)Transmitter calibrated rangeexceedsmaxflowthroughflowelement.b)FlowsensedbyFE-567cannotmeetFSARcommitment (Table7.3-11)of0-2700'gpm.

c)FE-523,-534,-567normalflowatlowrangeofscale.SeeAttachment P.D.8009IOriginator ReviewProjectEngineerEngineerManagement SponsorDate~)'ateC2/1217773/I/2RH 03/074/83 STONE&WK56TRR 1

ATTACHMENT P.D.8009I)TheFSARcommitment (Section9.2.5.2.1) specified that25000gpmoftheservicewaterbeusedasmakeuptothecirculating watersystemandtheremaining portionconveyedtothescreenwell discharge bay.~.Section3EoftheServiceWaterSystemDescription identifies instrument

loops2SWP*FE533,

• FT533and2SWP*FE534,

• FT534,trainBandArespectively asproviding theinputsignaltothecontrolroomindicators 2SWP*FI533 (SWPLoopBHdrFlowtoCWS)and2SWP*FI534 (SWPLoopAHdrFlowtoCWS).Percalculation 12177-AIO.IN-II, Rev.Idated7/20/81~trainAwillpassamaximumof15550gpmandtrainBwillpass21150gpmmaximum.FortheLoopBflow,theflowelementandassortedtransmitter datasheetsofSpecification COIINandC071Mshowthefollowing data:COIIN2SWP*FE533 Meter-Differential 150"H20C071MDifferential 2SWP*FT533 0-150"H20 Min.FlowNormalFlow0gpm9500gpmCalibrated Range0-27000gpmMax.Flow20,000gpmAninconsistency existsbetweentheflowelementpassingamaximumflowof20,000gpmwitha150"wcandthetransmitter calibrated rangeof0-27000gpmwiththesame150"wcdifferential.

2)Similarly 2SWP*FT567, (servicewaterloopAflowlake)~hasaspecified calibrated rangeof0-27000(150"wc)fromaflowelement(2SWP*FE567) sizedtopass22000gpmata150"wcdifferential.

Therefore theactualmeasuredflowwillnotmeetthecommitment ofFSARTable7.3-11foraninstrument rangeof0-27000gpm.Inbothcasesthespecified rangeofthetransmitter willexceedthatoftheflowelement.I')Theratioatnormalflowtomaximumflowfor2SWP~-523, FE-534andFE-567isIOZ,25Zand19Zrespectively.

Thisresultsinanormalcondition attheextremelowendofthescalewithasevererestriction inreadability.

s'fogy8lWCSSTER II STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page}-of1POTENTIAL DISCREPANCY (P.D.)REPORT-~.P.D.No.SystemServiceWa'terDiscipline SubjectTransmitter Specification TaskNo.C"SWP-5OpenItemReportNo.DESCRIPTION:

2SWP*FT200A-Z havenotbeenincludedinSpecification C071MthroughAddendum1,Rev.1,ll/18/82.

2SWP*FT201A, BhavenotbeenincludedinSpecification C071MthroughAddendum1,Rev.1,'l-l/18/82.

Originator RevievProjectEngineerl~&'t+'~-EngineerManagement Sponsor~P0Date>Pu3D.~lp/~'ate 5C2/1217773/1/2RH 03/074/83 37STONLrsgWCBSTCR I

STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Pagel.of1POTENTIAL DISCREPANCY (P.D.)REPORTP.D.No.OllSystemOnsiteEmergency ACPowerSystemDiscipline SubjectStandbDieselGenerator FuelOilTransferPumpSizingTaskNo.P-EPS-3-1 OpenItemReportNo.OllDESCRIPTION:

FSARSection9.5.4.1statesthatthefueloilstoragesystemwillconformtoANSIStandardN-195-1976.

Section6.3oftheANSIStandardrequiresastraineratthedischarge ofeachfuelpump.Calculation 12177-EGF-14, Rev.0doesnotaccountforthestrainerinsizingthefueloilpumps(2EGF*P1A,B,C,D,2A,2B).

According to12177-FSK-8-9A andB,thecalculatioa shouldalsoincludeanadditional valveandflowelement,andflowintherecirculation line.Thiscalculation islabelled"coafirmatioa required" becausepipinglengthwasestimated.

Whencalculation isconfirmed withactualpipingdesigntheabovementioned i,temsshouldbeincluded.

iginatorReviewProjectEngineer/~A~a'h4$o~EngineerManagemeat SpoasorDate:Da~Da~S/rilf3C2/1217773/1/2RH 03/074/83 37SToNK0WEBSTCR II STONE6WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page.1of1POTENTIAL.

DISCREPANCY (P.D.)REPORT~~.P.D.No.013SystemOnsiteEmergency ACPowerSystemDiscipline SubjectFuelOilStoraeTankCaacityforStandbyDieselGenerator (2EGF*TK1AS 1B)TaskNo.P-EPS-3-2

~~OpenItemReportNo.013DESCRIPTION:

FSARSection9.5-4-1statesthatthe,fueloilstoragesystemwillconformtoANSIStandardN195>>1976.

Section5;4oftheANSIStandardrequiresan"~licitgg allowance forfuelconsumption duringperiodictesting.'alculation 12177-EGF-16, Rev.0whichcalculates therequiredfuelstoragecapacityforthestandbydieselgenerator tanks2EGPCKlhandBdoesnotincludesuchamargin.Originator ReviseProjectEagineerA/A41&vga~EngineerManagmsent SponsorWETDateM/Co/FB~/ri/r3Date5//IC2/1217773/1/2RH 03/074/83 378ToNe&wessTeR

STONE6WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1lPOTENTIAL DISCREPANCY (P.D.)REPORT~~.P.D.No.O14SystemOnsiteEmergency A-CPowerSystemDiscipline Subject5KVPowerCableSizingTaskNo.E-EPS-6OpenItemReportNo.014DESCRIPTION:

SeeAttachment P.D.f/014Originator ReviewProjectEngineer+AMM4M~EngineerManagement Sponsor4DateDatevdC2/1217773/1/2RH 03/074/83 ZSTONE&WEBSTER II ATTACHMENT P.D.II,014Thereviewofthe5-kVPowerCableSizingCalculation Ho.ZC-38dated'March31~1978,hasresultedinthefollowing observations:

11.TheDocumentHo.EDC-4datedhpril18,1978,titled"Criteria forSizingPower,ControlandDCCables,"statesthattheminimumcablesirerequiredtomeettheshort-circuit dutybecalculated asfollows:f-]0.0297Log2hTl+234F5~~~~~1WheretPaultClearingtimeh~Conductor breaI~RMSCurrentduringentireintervalofcurrentflowhndIisdefinedinEDC-4asijXco(ed.<WhereI~Paultcurrentatt0max-ratioofthesystemLRHowever,theRMSvalueoftheshortcircuitcurrentconsistsofthedecayingdccomponent (Idc)andtheacsymmetrical component (Iac).Theequation2represents thedecayingdccomponent (Idc)only.Thetotalshort-circuit currentiscalculated bythefollowing equation:

aT.Isc(RMS)~'ac.+~~~~3ItcanbeseenfromtheabovethatEDC-4hasusedonlydccomponent andnotthetotalvalueofshort-circuit currentforminimumcablesizingcalculation.

2.ThePSARSection8.3.1~1.8on"Electric CircuitProtection" statesthat"Thetimeovercurrent relaysonthebusincominglineprovideprotection againstbusfaultsandbackupprotec-tiontoindividual feedercircuitsfromthebus."AlsotheEDC-4,page19,statesthat"Itisalsodesirable tohavethecablewithstand theshort-circuit forthebac}cuptriptimeofthefaultclearingdevice."STONKscWKSSTRR I

Wecannotconfirmtheminimumcablesize82/0listedonTablegofEDC-4usingthefaultcurrentof46,080amperesandbackupfaultclearingtimeof0.41sec(24.6cycles).However;asubsequent calculation (datedAprilI,1983)providedbytheprojecthascalculated aminimumcablesizeof.82/0usingIscof21,164amperesandaprimaryfaultclearingtimeof5cycles.Asdiscussed inItemNo.1above,thefaultcurrent(Isc)usedbytheprojectisonlythedccomponent (Idc).Alsotheuseofaprimaryfaultclearingtimeof5cyclesisnotconsistent withSWECElectrical DivisionTechnical Guideline ETG-IV-4-1.

Thisguideline recommends thataprimaryfaultclearingtimeof8cyclesbeused.Acalculation checkwasmadetodetermine theminimumcablesizerequiredtomeettheshort-circuit requirements forthe5-kVsafety-related system.Thiscalculation checkindicates thata.minimumcablesizeof83/0(32,100ampfaultcurrent,8cycleprimaryfaultclearingtimeand250'Cfinalconductor tempera-ture)isrequiredwhichislargerthanl)2/0requiredbythecalculation.

Theuseoftotalfaultcurrentinaccordance withEquationNo.3andprimaryfaultclearingtimeof8cyclesmayimpacttheminimumcablesizerequiredtomeettheshort-circuit dutyforthe5-kVand15-kVnon-safety relatedsystems.'ISvoea&WaesTaR IIIg<

STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAN<POWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREUIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY (P.D.)REPORT~~.P.D.No.SystemServiceMaterPipingDiscipline SubjectTheDynamicModeLofSRVHydrodynamic LoadingforCalculation 12177-AX-19F TaskNo.OpenItemReportNo.015DESCRIPTION:

SeeAttachment P.D.8015Originator ReviewProjectEngineerEngineerManagement SponsorWr4'Date5=6-dC2/1217773/1/2RH 03/074/83 STONC0WKSSTCR Il ATTACHMENT P,D~r/015PageIof1Forpipestresscalculation 12177-NP(C)-AX-19F, Rev.3,thedynamicmodel~sacutofffrequency of23.8Hatits50thmode.Thiscutofffrequency doessmtreachthepeakresponsefrequency ofSRVhydrodynamic ARScurves(approximately

.50H).withoutthecontributions fromARSpeakresponse, theseanalysesmaynotasatisfactory dynamicresponse.

However,itmaybeshovnthatthenumberofvibration modesusedforthisdynamicmodelwassufficient byusingtheprocedure outlinedinStandardRevievPlanSection3.7.3.Iftheinclusion ofadditional modesdoesnotresultinmorethana10Kincreaseinresponse, theoriginalmodelwouldbeconsidered acceptable.

SRVpeakaccelerations areonlyaboutonetenth{1/10)ofseismicpeakaccelerations.

Thesetwo(2)loadcasesarecombinedbySquareRootofSumoftheSquaresHethod(SRSS).ThiswillcausetheSRVtocontribute lessthan1Xtothetotalload.Theexistingcalculation shovsthattheAS1KIII,Equation9stressesareasfollovs:10,010psiforNormalandUpset(18,000psiallowable) 11,515psiforEmergency (27,000psiallowable) 12,477psiforFaulted(36,000psiallowable)

Theinclusion ofadditional modesmayhaveanegligible effectonthepipestressandpipesupportloads.However,thepipestresscalculation 12177-NP{C)-AX-19F, Rev.3mustberevisedtoconformwithStandardReviewPlan,Section3.7.3.Remaining servicewaterpipestresspackagesmustbereviewedtoensurethatnosimilarconcernsexist.STONC6WKBSTRR III STONE6WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY (P.D.)REPORT~~.P.D.No.016SystemServiceWaterPiincDiscipline SubjectSeismicARSEvTaskNo.N-SWP-02OpenItemReportNo.016DESCRIPTION:

PipeStressCalculation 12177-AX-19F SeeAttachment P.D./J016Originator C6ReviewProjectEngineer-/a'ngineer Management SponsorkD."=4ŽP5=t-73DateC2/1217773/1/2RH 03/074/83 k7sTogcaiwaasvaaML IIIII Page1of1ATTACHMENT P.D.8016Forpipestresscalculation 12177-NP(C)-AX-19F~

Rev.3,theinputseismicamplified responsespectrum(ARS)curvesarefromcalculation 12177-PX-01937, Rev..0whichprovidesseismicARSenvelopes atReactorBuildingelevations 213.75'nd 197'.ThisPXcalculation doesnotincludetheseismicARSforthetunnelinwhichpartofthepipingislocated.TheuseoftheseARSenvelopes donotcompletely satisfythecommitment ofFSARSection3.7.3.9A.

SeismicARScurvesforthetunnelatelevation 250'reenveloped bytheseismicARScurvesfortheSecondary Containment atelevations 213.75'nd 197',exceptnorth-south direction'between 3.44Hzto8.33Hzaffectingtwovibration

,modes(seepages2,3and4).Onemodefallsbetween3.44Hzto5.5Hzwiththeacceleration difference notexceeding 0.02Gandtheothermodebetween5.6Hzto8~33Hzwithacceleration difference notexceeding 0.4G.hhenalltheresponses arecombined, theresultant isestimated tohaveaminimalincreaseinpipestressandpipesupportload.Theexistingcalculation showsthattheAS'II,Equation9stressesareasfollows:'10,010ps%forNormal/Upset (18,'000psiallowable

)11,515psiforEmergency (27,000psiallowable) 12,477psiforFaulted(36,000psiallowable)

Thestresscalculation willberevisedtosatisfyFSARSection3.7.3.9A.

Remaining servicewaterpipestresspackagesmustbereviewedtoensurethatnosimilarconcernsexist.STONC8WassTrR IIIIIII 45010.83STONE8WEBSTERENGINEERING CORPORATION CALCULATlON SHEETCALCULATION IDENTIFICATION NUMBERJ.O.ORW.O.NO.DIVISION6GROUPCALCULATION NO.OPTIONALTASKCODEPAGE10%~rhinegL~/yuduH PCt;gBui~u'ig~~l2l31416I8l9202I222324o.sIIf262728303I32343536o.+404I4244450.0STONC&WCSSTCR IIII L5010.55STONE8,WEBSTERENGINEERING CORPORATION CALCULATION SHEETCALCULATION IDENTIFICATION NUMBERJ.O.ORW.O.NO.DIVISION6GROUPCALCULATION NO.OPTIONALTASKCODEPAGErgr$:I[gr$[3456789'0II1213141516171819202122242627lIIN-~DIR8hlr'rr5'"~B[rri/7vrjrrrEC

~~29313234350ltIII37404142444S46DiDdi3(Sec,)

IIIIII 4.1LiX5010.55STONE8WEBSTERENGINEERING CORPORATION CALCULATION SHEETCALCULATION IDENTIFICATION NUMBERJ.O.ORW.O.NO.DIVISION6GROUPCALCULATION NO.OPTIONALTASKCODEPAGE~~IiltItItlp>Igl~ltgtliC$ed'7910l2141516Ie19202122242526272e0~29303132d234353637384154142IJIIrtII//Vgy'tlcU.Diroc-7v~/1I(~VixenCEe~~P~Oo./Zg'g0~~44450,cr>20%3>64STONC81WeeSTKR IIIII STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page.1of1POTENTIAL DISCREPANCY (P:D.)REPORT~~.P.D.No.SystemOnsiteEmergency ACPowerSystemDiscipline SubjectAdequateVentilation forDieselGenerator ControlRoomsTaskNo.P-EPS-1OpenItemReportNo.017DESCRIPTION:

FSARSection9.4.6.2.3 statesthatamaximumdesigntemperature of104'F&11bemaintained intheStandbyDieselGenerator (Div.IandII)andHPCSDieselGenerator controlrooms.Thetemperature intheseroomsismaihtained byunitcoolers2HVP*UClA andBand2HVP*UC2.

Calculation 12177-EVP-6, Rev.1sizestheseunitcoolers.Theheatloadintheseroomsconsistsofatransmission load,anelectrical equipment load,andtheunitcoolerfanmotorload.Theoverallmarginforheat'oadinthecalculation isapproximately 4X(thismarginrepresents a5Xallovance fortheelectrical equipment load).Whentheunitcoolerspecification P412Hvasreviewed, itvasobservedthata5hpfanmotorvaspurchased vhereasthecalculation onlyassumeda1hpfanmotor.Thischangeincreases theoverallheatloadbyapproximately 13X.Therefore theunitcoolersareundersized.

Originator.

ReviewProjectEngineerf~AEngineerManagement Sponsor~~CDate<c'3Sate+/i/+~DateK////+3C2/1217773/1/2RH 03/074/83 37STONEItWEBSTER II' STONE6WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY (P.D.)REPORT-~.P.D.No.018SystemServiceWaterDiscip]ineSnhjectIndicator Switcheson,Panel601TaskNo.C-SWP-4OpenItemReportNo.DESCRIPTION:

Significance ofConcern:QACat.IIswitchesspecified forQACat.Iservice.SeeAttachment P.D.8018Originator ReviewProjectEngineer/~P/EngineerManagement Sponsork4nate>/Pg"~Date>(/~~DateC2/1217773/1/2RH 03/074/83 STONN'etWKSSTCRJSL t~~l~L~~l Page1of1ATTACHMENT P.D./3018ilililj!l~I!lThepushbutto'n switchshownonLSK-9-10N as"PBServiceWaterDiv.IManuallyInoperable" andlocatedonpanel601onESK-4CEC13A areusedinaQACat.I,Div.Isystem.Electrical development ofthisswitchappearsonESK-7SWP13 andESK-7SWP19 inQACat.IcircuitsforServiceWaterInoperable conditions.

ThetypeofswitchshownonESK-3E,detailMM,isspecified asgACat.II.Theswitchesaffectedare:1-1-2SWPA34 1-2-2SWPA34 1-3-2SWPA34 1<<4-2SWPA34 I-5-2SWPA34 Similarly, switchesshownonESK-7SWP06 areingACat.Icircuitsbutareidentified onESK-3EasgACat.II.Theseaffectedswitchesare:1-6-2SWPA34 through1-19-2SWPA34 Asthebypassandinoperable statusindication (R.G.1.47)isnotrequiredtobeCat.,I,theswitchesnotedasCat.IIwouldbeacceptable iftheyareelectrically isolatedandphysically separated fromtheCat.Iportionoftheboard.STONE&WCQSTCR II~~~~~~~~~5

~aSTONE6WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY

{P.D.)REPORT.~~.P.D.No.SystemOnsiteEmergency A-CPowerSystenDiscipline SubjectOneLine,Dwg.ReviewTaskNo.E-EPS-12OpenItemReportNo.DESCRIPTION:

Theonelinedvg.EE-1Q-6indicates thattheservicewaterpumpmotorprotection relay"50"hasnotripfunctionandtherelay"50D"tripsthelockoutrelay"86".However,theelementary dwg.ESK<<5SWP07, Sh2of2(1/24/83) indicates thattherelay"50"tripsthelockoutrelay"86"andtherelay"50Dggprovidesanalarmsignal.rItappearsthattheonelinedvg.EE-1Q-6villhavetoberevisedtobeinconformance withtheLSK-9-10A andESK>>SSWP07.

2.Theelementary dwg.ESK-5SWP07 Sh2of2showsacommonemergency transfersvitchlocatedattheremoteshutdownpanelforthethreeservicewaterpumps.Nosuchcommonswitchisshovnontheonelinedwg.EE-1Q-6.3~Theonelinedwg.EE-1Qindicates thattheauxiliary relay27X2/2ENSX04 istrippingthebreaker101-1.However,theESK-5ENS21,

{2/8/83),

Sh1of2,theauxiliary relay27X2/2ENSX04 doesnottripthebreaker101-1.Itappearsthattheonelinedwg.EE-1Q-6villhavetoberevisedtobeinconformance withESK-5ENS21.

Originator ReviewProject,Engineer'/5~EngineerNanagement SponsorAk4~5.a.DateC2/1217773/1/2RH 03/074/83 SToNe4WessTeR I

STONEErWEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm.9Page1of1POTENTIAL DISCREPANCY (P.D.)REPORTP.D.No.021SystemOnsi,teEmergency A-CPowerSystemDiscippineSQhjectReviewoftheone-1inedwg.12177-EE-1Q-6 TaskNo.E-EPS-12OpenItemReportNo.DESCRIPTION:

SeeAttachment P.D.0021Oiiginator RevievProjectEngineer+<~M'A~~--

EngineerManagement Sponsor4d.Date5-h-Date5DateC2/1217773/1/2RH 03/074/83 STONLeagWKSSTCR I

Page1ofIATTAQGKNT P.D.8021TheFSARSection8.3,Page8.3.19statesthat:"Duringemergency operation, thestandbydieselgenerator isshutdownandthediesel-generator breakertrippedunderthefollowing conditions:

~a.Engineoverspeed b.Generator differential orgenerator phase-over current."

F1.Reviewoftheone-linedwg.EE-IQ-6indicates thatthegenerator phase-overcurrentrelay50/51Vtripsauxiliary relays51V/Xand86-2/2EGPX02.

Theauxiliary relay51V/Xtrips.thegenerator supplybreaker101-1andtherelay86-2/2EGPX02 locksouttheautoclosecircuitofthebreaker101-1.Neitheroftheseauxiliary relaysareshowntobetrippingthedieselengine.2.Thenote82,dwg.EE-IQ-6,statesthatthelossofgenerator excitation (40),thereversepower(32)andthegroundovercurrent (5IN)relayprotective tripswillbeoperative onlywhenthedieselgenerator isbeingtested.Ho~ever.thedieselgenerator canalsosupplypowertotheemergency busduringalossofoffsitepowerwhichisnotanemergency (LOCA)condition.

-Therefore, therelays40,32and51Nshouldnotbebypassedduringthiscondition.

Fore:There1eya40,32aud3luarereaudredto'hehyyaaaeddurdura..emergency (LOCA)condition.

STONE0WEBSTER IIJf STONE6WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page.1of1POTENTIAL DISCREPANCY (P.D.)REPORTP.D.No.022SystemStandbPowerSstemDiscipline SubjectFlowElementSizinTaskNo.C-EPS-3OpenItemReportNo.022DESCRIPTION:

Significance ofConcern:FSARTable7.3-15commitstoarequiredFuelOilTransferPumpFlow(low)~instrument.

rangeof0-30gpm.Perspeci%.cation C011N,Rev.1datedAugust9,1982flowelements2EGF*FE13A,

• FE13B,*FE104weresizedandpurchased topassamaximumflowof20gpm.Originator ReviewProjectEngineerEngineerManagement Sponsor~DaterPare57r(<3Date5l//C2/1217773/1/2RH 03/074/83 g7STONKeWCIISTIR

'II STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY (P.D.)REPORTP.D.No.SystemOnsiteEmerencA-CPowerSystemDiscipline Subject600VCableSizinC1ionTaskNo.E-EPS-7OpenItemReportNo.023DESCRIPTION:

HCalculation Ho.EC-59-1referstoElectrical DesignCriteriaEDC-4fortheminimumcablesizerequiredtomeettheshort-circuit dutyfor600-Vloadcenterfeeders.Electrical DesignCriteriaEDC-4;page19,statesthat"Forloadcenterfeeds,theback-.uptimeaf30cyclesisusedtoyieldaminimumsizeoff1.0AWG.Thistooisanimpractical result;howeverasthenumberofloadcenterloadsisrelatively low,theresultwillbeimposed."

WecannotconfirmtheminimumsizeofHo.1/0-AWGcableindicated inTableQofEDC-4tomeetshort-circuit dutyfor600-Vloadcenterfeed-ers.NOTE:TheEDC-4permitstheuseof650'Cfinalconductor tem-peratureduringashort-cIrcuit condition, whichishigherthan250'Cconductor temperature recommended bySWECElectrical DivisionTechnical Guidelines ETG-IV-4-1.

Theseissuesofminimumcablesize,fault-clearing time,andconductor temperature shouldberesolved.

+iginator

%vienProjectEngineerg(~Q.+c4ug.-

EngineerManagement SponsorM~H*Da~iS~Dat~5~6'~3C2/1217773/1/2RH 03/074/83 STONIK&WCBSTKR II STONE6WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY (P'.D.REPORTP.D.No.024SystemOnsiteEmergency ACPowerSystemDiscipline SubjectAdequateVentilation fortheEmergency Svitchgear AreaTaskNo.P-EPS-2OpenItemReport.No.024DESCRIPTION:

FSARSection8.3.2.1.2 statesthatbatteryroomexhaust.is discharged toatmosphere tolimithydrogenaccumulation tolessthaa2Xbyvolumeandmaintainbatteryrooms(Division I,II6HPCS)temparature at65>>104'F.:FSAR Table9.4-2lists-thecapacityoftwo100Kcapacityexhaust.fan's (2HVC*FN4A,4B) as1275CFH'e~eachforthesebatteryr'ooms..Calculatipn HVC-40dated1-5>>81andFlovDiagrams(FSK-22-9B,C6D) indicateexhaustfans'apacity as1275CFMforthesebatteryroomsmeetingdesignrequirements andFSARcommitments.

Thecapacityofthepurchased exhaustfans(perSpecification P413R,Addendum3,2-23-79)is2725CFNeach.Sincetheductvorkanddampersveresizedfor1275C&f,theincreased flowcouldleadtoexcessive pressuredrop.Thiscouldalsoleadtoexcessive pressuredropacrossthebatteryroomfiredampers.Theresultant systemimbalance couldtakeavaycooledairfromtheemergency svitchgear area.Thecorridorairsupplysystemvouldalsobeimbalanced duetohighermake-upairflamdrawnfromthecorridorthroughfiredampers,DMPF118aad221~bytheunitcoolersiathesvitchgear area.Ifthefaacapacityremainsat2725CFM,thenthesystemdesignforthehigherairflovrequirements shouldbereevaluated.

~e@iginator

%tviewProjectEngineerEngineerManagement SponsorC2/1217773/1/2RH 03/074/83 37STONathWaaSTCa IIII~

STONE8WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITN0.,2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY (P.D.)REPORTP.D.No.025SystemOnsiteEmergency A-CPowerSystemDiscipline SubjectElectrical ControlBoardReviewTaskNo.C-EPS-3OpenItemReportNo.025DESCRIPTION:

Significance ofConcern:1.Non-compliance withFSARcommitments.

2.MainControlBoardHumanEngineering discrepancies.

SeeAttachment P.D.8025'Kgiginator

%viewProjectEngineerI'~rtW>>EngineerManagement SponsorDate.SDa~~/>Dat~C2/1217773/1/2RH 03/074/83 27STONKthWcssTKR III Page1of2ATTACFMEiilT P,D.f/0251.ThePSARSection8.3.1commitstoprovideinthemaincontrolroom\lannunciation ofconBitions whichrendereachstandbydieselgenerator incapable ofresponding toanemergency auto-start signal.According toESK-4CEC01/hev.

5andLSK-9-3series,thefollowing alarmshavebeenomitted:'c)Airinletisolation valveclosed""d)Turninggearinincorrect position" "e)DCcontrolpowerfailureatenginepanel"2.DivisionIEmergency DieselGenerator Annunciator Panel852100includes:

a)Emergency DieselGenerator 1-3ServiceWaterInletPeaderPressureLow,Annunciator 852124b)Emergency Bus101Protection DCPowerPailuze,Annuaciator 852140Theredundant DivisionIIEmergency DieselGenerator Annunciator Panel852200doesnotincludesimilarannuaciators.

3.A.Theannunciator windowazrangement matrixdiffersbetweenredundant panels852100and852200.PSARSection1.10,ItemI.D.1,ControlRoomDesign":..ev-e.:

commitstotheguidelines ofNUREG0?00.PerNUREG0700'Section6.3,Annunciator WarningSystems,6.8.2.3LayoutConsistency, 6.8.2.4Standardization and6.9.2.2itemDConsistent

Practice, theaimistoprovide:a)Positivetransferoftrainingb)CodingbypositionPresentannunciator layoutdoesnotmeettheseguidelines.

3.B.Annunciator Panel852100DivisionIismountedaboveitsassociated DivisionIindicators andcontrolsbutoverlapsaboveDivisionIIindicators andcontrols.

Similarly Annunciator Panel852200DivisionIIoverlapsaboveDivisionIIIindicators andcontrols.

PerNUREG0700Section6.3.3.1,VisualAnnuaciatoz Panels,thefollowing guideline shouldbecoasidered:

"a)location-visualalarmpanelsshouldbelocatedabovetherelatedcontrolsanddisplayswhicharerequiredforcorrective ordiagnostic actioninresponsetothealarm"sToNaewaasvca IIlI

IPage2of23.C.PerNUREG0700Section6.3.3.4VisualTileLegends-"Abbreviations andacronymsshouldbeconsistent withthoseusedelsewhere incontrolroom."Annunciator titlesbetweenDivisionIwindows852129and852122andDivisionIEendows852231and852224respectively differinwordingand/orabbreviations.

I(IpigII(lIIIISTONK&WKSSTKR IIII STONE6WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1-of1POTENTIAL DISCREPANCY, (P.D.)REPORTP.D.No.026SystemServiceWaterDiscipline SubjectVTaskNo.N-SWP-08gnOpenItemReportNo.026DESCRIPTION:

Toaccountfordynamicmovements>FSAR Section3.9.3.4.1A statesthatspringhangersaredesignedfordown-travel andup-travel movements inexcessofthespecified thermalmovement.

Inpipesupportcalculation 12177-219-0122, dated8-3-79thepipemovements due=todynamicloads(seismicandhydrodynamic) werenotconsidered whencheckingtheworkingrangeofthevariablespringhangers.ThisconcernappliestoallvariablespringhangersinpipestresspackagesAX-19LandAX-19Funderreview./@iginator

/VtviewProjectEngineer~/~A.EngineerManagement SponsorDateC2/1217773/1/2RH 03/074/83

$7STONC&WassTaR llIlI STONE&WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY (P.D.)REPORTP.D.No.SystemServiceWaterDiscipline SubjectInstrument PipingTaskNo.C-SWP-6OpenItemReportNo.031DESCRIPTION:

Significance ofConcern:PDIS-70A671AHi6LoLegsimproperly tiedtogether.

Ltlil.IILIplilSeeAttachment P.D.8031@iginator iviesProjectEngineerl<~Ji~'IEngineerManagement SponsorDate.Sd3Da~>/Pl~3n.."-Sl~IIC2/1217773/1/2RH t03/074/83 jk7STONCthWcsdTKR IIIIIl SIGNIFICANCE OFCONCERN:ATTACHMENT P.D.$/031(Ij~;lI(IprlIig~ljl~gFSKM-lOAC

&LSK9-lOUrequirespressureswitchesPDIS-70Aand71AtoprovideTrashRacks&Traveling ScreenHidifferential pressuresignalsforalarmintheControlRoom.Instrument PipingdrawingEK19B-2showsHi&LoLegsofbothPDIS-70A&71Ainterconnected tothehighsidepiping(seezoneI-4).According toFSK9-10ACthepipingshouldbeas.follows:

HiLegtoHighSidePDIS-70ALoLegofPDIS-70AtoHighLegPDIS-71ALoLegofPDIS-71Atodownstream ofTraveling WaterScreenSTdNK0WcssTKR IIIl STONE6WEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT"NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1lI\gQIgl(IIIIPOTENTIAL DISCREPANCY (P.D.3REPORTP.D.No.SystemServiceWaterPipingDiscipline SubjectARSPeakSpreading TaskNo.N-WP-02OpenItemReportNo.OggDESCRIPTION:

FSARSection1.8commitstocomplywithRegulatory Guide1.122inthedevelopment offloordesignresponsespectraforseismicdesignoffloor-supported equipment orcomponents.

SWECcomputercodePSPECTRA(described in,FSARSection3.7.3.8.3A) isdesignedtoimplement thepeakspreading criteriaofthisRegulatory Guide,aswellasforenvelopegeneration.

TheARScalculation 12177-PX-01907 usestheoldercomputercodeCURVE2(ME-117)forenveloping seismicresponsespectra(ARScurves)andthereisnootherdesigncalculation referenced toaddresstheRegulatory Guiderequirement.

Itisnotclearhowtherequirement ofRegulatory Guide1.122isaddressed.

Pipestresspackages, suchasAX-19L,whichusetheresultsofthiscalculation astheirdesigninputshouldalsobere-evaluated.

Calculation 12177-PX-01907, whichwasdoneasperPSARrequirement, wasvoidedinApril,1983andisnowsuperseded bytheARScalcula'tion

'12177-PX-'01957 inwhichpeakspreading ofARSisdoneinaccordance withFSAR3.7.3.8.3A andRegulatory Guide1.122.However,NMP2projectindicates thatanypipestresspackagewhichusestheresultof12177-PX-01907 (useoldercomputercode)asitsdesigninputshallberevisedtouse12177-PX-01957.

Inaddition, areviewwillbeperformed byNMP2projectonotherpipestressanalysispackagestoensurethatnosimiliarconcernexists.Originator Da~5:4-~Revtenpro]ectEngtneerAll~M'/<<~DatgEngineerManagement SponsorAp.t.5.=P-WC2/1217773/1/2RH 03/074/83 STOvc6WassVaa IIIIIII STONESrWEBSTERENGINEERING CORPORATION NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINT-NPPUNITNO.2INDEPENDENT DESIGNREVIEWPROGRAMForm9Page1of1POTENTIAL DISCREPANCY (P.D.)REPORT~~.P.D.No.SystemServiceWaterLineDiscipline SubjectPipeSupportdesignforGeological Movements.

TaskNo.H-SMP-08OpenItemReportNo.033DESCRIPTION:

Pipestresscalculation 12177-NP(C)-AX-19F; Rev.3,dated10-28-82providespipesupportloadsduetogeological movements inadditiontootherloadings.

Thesesupportloadsarenotusedinsupportdesigncalculation 12177-219-0338.

Insteadofusingthesepipesupportloadsfordesigning thesupport,an,earlierrevision, withoutsuchloadsduetogeological movements, wasused.Inaddition.

thecurrentrevisionofpipesupportloadshashigherthermalloadsthantheones~~usedinthepresentdesign.Thispipesupportdesignanditsstructural attachment loads(provided onthepipesupportstructural attachment loadschedule) mayhavetoberevised.HMP2projectindicates thatthispipesupportcalculation shallberevisedtoincludeloadsduetogeological movements inthenextupdate.Originator ReviewProjectEngineerEngineerManagement SponsorW~DateDateC2/1217773/1/2RH 03/074/83 STONC4WCSSTKR IIII Stone8WebsterEngineering Corporation NiagaraMohawkPowerCorporation NineMilePointNuclearStation-Unit2Independent DesignReviewProgramRPP-2-0J.O.No.12177.73CONSTRUCTIBILITY REVIEWFINDINGTaskNo./Description:

No.1-ITTGrinnellReortl.Itemsofconcern/Item underreview:.Sheet1of2TASKFORCEREPORT--REVIEWOFPIPINGERECTIONPROBLEMS--March19,1981,andfollowupreportsofMay4and7,1981,werethoroughly reviewedtodetermine theextenttowhichrecommendations havebeenimplemented.

2.Sourceofinformation, personscontacted, background onsubjectmatter:DuringtheweekofApril4,1983,SWECpersonnel F.M.Sheldon,R.K.Headrick, andE.P.Eichenwerecontacted andprovidedresponsetoourinquiries regarding implementation ofrecommenda-tions.Followupconversations wereheldduringtheweekofAprilll,1983.3.Finding:Allrecommendations havebeenaddressed andimplemented.

Implementation ofthefollowing threerecommendations appearstofallshortoftheTaskForce'sintent:a.Qualityofnonmanual personnel b.Six-month versus12-monthlookaheadc.Preinstallation walkdownbynonmanual personnel.

4.Evaluation ofpotential impactandconclusions:

a~Qualityofnonmanual personnel

-Significant improvement hasbeenmadeoverthepast2years,primarily inmanagement andsupervision.

Engineering andplanningpersonnel stillincludesomeindividuals onloanfromSWEC.Withoutcontinued improve-mentinstaffpersonnel, ITTGrinnellisnotlikelytoquickenitspaceassmallboreandsystemcompletion are"addedtothepresentlevelofeffort.b.Six-month versus12-monthlookahead-Theshorterwindowdoesnotappeartobehavinganydetrimental effect.However,theneedtobeginspecificpreparation (planning) forsysteminstal-lationisleavinglargeamountsofrework(clearing ofunsats,etc)andsystemcompletion taskstotheend.Asignificant efforttoplanthetimeandrequiredmanpowerforOriginated by7iF9Review/Concurrence' Y/i+iZ9SignarDateConructionManagerC2/1217773/8/2RH STONE&WEBSTER IIIIII TaskNo.1Sheet2of2thesetasksinsupportofthestartupscheduleisnecessary forsuchascheduletobeconsidered valid.c~Preinstallation walkdownbynonmanual personnel

-TaskForcewasinitially concerned withtheuseofmanualcraftsmen forthiswalkdownactivity.

Itappearsthatsuchconcernisnotnowwarranted.

Presently, ITTGrinnelliswalkingdownhangerswithamixofpersonnel, bothmanualandnonmanual, withgene-ralsuccessandschedulebenefit.Increased effortsalongthesesamelinesforsmallboreinstallation couldcontribute tofurtherimprovement ofITTGrinnell's scheduleperformance.

C2/1217773/8/2RH STONa0WassTKR III Stone6WebsterEngineering Corporation NiagaraMohawkPowerCorporation NineMilePointNuclearStation-Unit2Independent DesignReviewProgramRPP-2-0J.O.No.12177.73CONSTRUCTIBILITY REVIEWFINDINGTaskNo./Description:

No.2(a)-SuortsInterferences-GeneralOverviewSheet1of21.Itemsofconcern/Item underreviewGeneralaspectsofsiteconcernsregarding supportsinterferences.

2.Sourceofinformation, personscontacted, background onsubjectmat-tera.Electrical:

A.Fallon,ProjectManager-L.K.ComstockJ.Ronco,Assistant Superintendent ofConstruction

-SWECJ.Lowry,Construction Supervisor

-SWECD.Parkhurst, GeneralForeman-L.K.Comstockb.Instrumentation:

W.Dunn,ProjectSuperintendent

-JohnsonControls, Inc.c.Mechanical:

J.White,ProjectManager-ITTGrinnellE.Eichen,Mechanical/Pipe Construction Superintendent

-SWECT.Staehr,Construction Engineer-SWECK.Ostien,PipingSupervisor (Night)-SWECJ.McIoughlin, NightShiftSuperintendent

-SWECJ.Supernavage, NightShiftEngineer-SWECT.Johnson,Construction Supervisor

-SWECd.SiteEngineering:

L.E.Shea-SWECJ.Giler-SWECT.Landry-SWECM.Oleson-SWECP.P.Svarney-SWECL.Theriault

-SWECL.Zak-SWECOriginated by.r'ignae149Review/Concurrence

~WDa-//"~>DateConsuctionManagerC2/1217773/8/2RH SvoNc6Wassvaa I

TaskNo.2(a)Sheet2of2TaskNo.2(a)-SupportsInterferences

-GeneralOverview(Cont)~BackroundOverthepastseveralmonthsithasbecomeevidentthatpreengi-neeredCategoryI/seismic conduitwasnotthoroughly checkedforinterferences.

(Somepotentially interfering itemswereissuedafterconduitdrawingswereissued,also.)Apparently, conduit(primarily direct-attached conduitonwallsandbuildingsteel)isa"wildcard"inthepreengineered "deck".Smallborepipe,tubing,andsupportshaveapparently beencheckedpriortoissuance.

Also,itappearsthatthesizeofsmallboresupportbaseplatesandcon-duitsupportbaseplatesismuchgreaterthanwouldbeexpectedforthegivenlinesize,therebyincreasing thepotential forinter-ferences.

3.P~indin,Alargeportionofsupportsinterferences arebetweenCategoryI/seismicpipesupports(largeboreandsmallbore)andelectrical conduit(bothunscheduled field-run lighting/communications andscheduled CategoryI/seismic conduit).

Unscheduled conduitsarereworkedasrequired.

Scheduled conduitinterferences areresolvedviaACN(ifdrawingchangeisrequired) toreworkconduitorrevisesupportasappropriate.

4.Evaluation Clearing.ofinterferences onscheduled electrical conduitarrange-mentdrawingsdidnotliveuptoexpectations ofthepreengineered concept.Also,manyoftheinterferences occurwiththosescheduled conduitsattacheddirectlytowalls.Direct-attached conduitroutingisnotpreengineered.

Reworkfortheseconduitsmaybeashighas30percentratherthanthe10to12percentexpected.

==

Conclusion:==

Atpresentrateadd10to17percenttototalestimated man-hours forconduitinstallation asmarginforreworkduetointerferences.

Adjustmanpowerorscheduleaccordingly.

C2/1217773/8/2RH SToNa&WeosTaR II StoneSWebsterEngineering Corporation NiagaraMohawkPowerCorporation NineMilePointNuclearStation-Unit2Independent DesignReviewProgramRPP-2-0J.O.No.12177.73CONSTRUCTIBILITY REVIEWFINDINGTaskNo./Description:

No.2(a)-SuortsInterferences-GeneralOverviewSheet1of21.Itemsofconcern/Item underreviewGeneralaspectsofsiteconcernsregarding supportsinterferences.

2.Sourceofinformation, personscontacted, background onsubjectmat-tera.Electrical:

A.Fallon,ProjectManager-L.K.ComstockJ.Ronco,Assistant Superintendent ofConstruction

-SWECJ.Iowry,Construction Supervisor

-SWECD.Parkhurst, GeneralForeman-L.K.Comstockb.Instrumentation:

W.Dunn,ProjectSuperintendent

-JohnsonControls, Inc.c.Mechanical:

J.White,ProjectManager-ITTGrinnellE.Eichen,Mechanical/Pipe Construction Superintendent

-SWECT~Staehr,Construction Engineer-SWECK.Ostien,PipingSupervisor (Night)-SWECJ.McLoughlin, NightShiftSuperintendent

-SWECJ.Supernavage, NightShiftEngineer-SWECT.Johnson,Construction Supervisor

-SWECd.SiteEngineering:

L.E.Shea-SWECJ.Giler-SWECT.Landry-SWECM.Oleson-SWECP.P.Svarney-SWECL.Theriault

-SWECL.Zak-SWECOriginated by.rSignae/49Review/Cencnccence

~Ig~W8-/l-~+DateConsuctionManagerC2/1217773/8/2RH sTQNcacwcssTcR II TaskNo.2(a)Sheet2of2TaskNo.2(a)-SupportsInterferences

-GeneralOverview(Cont)~BackroundOverthepastseveralmonthsithasbecomeevidentthatpreengi-neeredCategoryI/seismic conduitwasn'otthoroughly checkedforinterferences.

(Somepotentially interfering itemswereissuedafterconduitdrawingswereissued,also.)Apparently, conduit(primarily direct-attached conduitonwallsandbuildingsteel)isa"wildcard"inthepreengineered "deck".Smallborepipe,tubing,andsupportshaveapparently beencheckedpriortoissuance.

Also,itappearsthatthesizeofsmallboresupportbaseplatesandcon-duitsupportbaseplatesismuchgreaterthanwouldbeexpectedforthegivenlinesize,therebyincreasing thepotential forinter-ferences.

3.cindiaAlargeportionofsupportsinterferences arebetweenCategoryI/seismicpipesupports(largeboreandsmallbore)andelectrical conduit(bothunscheduled field-run lighting/communications andscheduled CategoryI/seismic conduit).

Unscheduled conduitsarereworkedasrequired.

Scheduled conduitinterferences areresolvedviaACN(ifdrawingchangeisrequired) toreworkconduitorrevisesupportasappropriate.

4.Evaluation Clearingof'nterferences onscheduled electrical conduitarrange-mentdrawingsdidnotliveuptoexpectations ofthepreengineered concept.Also,manyoftheinterferences occurwiththosescheduled conduitsattacheddirectlytowalls.Direct-attached conduitroutingisnotpreengineered.

Reworkfortheseconduitsmaybeashighas30percentratherthanthe10to12percentexpected.

==

Conclusion:==

Atpresentrat'eadd10to17percenttototalestimated man-hours forconduitinstallation asmarginforreworkduetointerferences.

Adjustmanpowerorscheduleaccordingly.

C2/1217773/8/2RH STONE&WEIBSTER IIIII Stone&WebsterEngineering Corporation NiagaraMohawkPowerCorporation NineMilePointNuclearStation-Unit2Independent DesignReviewProgramRPP"2-0J.O.No.12177.73CONSTRUCTIBILITY REVIEWFINDINGTaskNo./Description:

No.2(b)-SuortsInterferences-

~ControlBuildinExamlesSheet1of31.Itemsofconcern/Item underreview:a.ARRGTCNDandSIMCSPRTSCONTROLBUILDINGEL214FT0IN.SH-1DrawingNo.12177-EE-420B-2 E&DCRNo.C41,461datedJune22,1983SupportNo.CRD102Rwasrelocated 3in.totheeastinordertoresolveinterference withfloordrainpipingandpipehangers.(E&DCR'initiated June14,1982;answeredJune22,1982.,)b.ARRGTCNDandSIMCSPRTSCONTROLBUILDINGEL237FT0IN.SH-1DrawingNo.12177-EE-420E-3 ACNNo.000758datedNovember5,1982(Engineering finalapprovalviaE&DCRNo.C41,902onDecember10,1982)4-in.conduit2CL507YD-4 directlyattachedtobuildingsteelofceilingslabinterfered withcabletraysupportsteel.Inter-ferencewasresolvedbymovingconduit3in.tothesouth.Clarification ofdimension fordirectattachment wasalsoprovided.

c.ARRGT-CNDandSIMCSPRTSCONTROLBUILDINGEL288FT6IN.DrawingNo.12177-EE-420S E&DCRNos.C41,828andC42,341Conduitsupportsasshownondrawinginterfered withHVACductsupports.

Resolution involvedmovingconduitandsupports6in.(Nochangetospanbetweenconduitsupports.)

2.B~ackroundCategoryI/seismic conduitsupportsarerequiredbygeneralnotesonDrawingNo.EE-420Atobeinstalled to+1in.ofthelocationshownonthedrawing.Alldeviations requirepriorEngineering approval(viaACNorE&DCR).C2/1217773/8/2RH STONE&WEBSTER IIgI TaskNo.2(b)Sheet2of33.~FindinPreengineering ofCategoryI/seismic conduitshasnoteliminated manyinterferences.

Also,CategoryI/seismic conduitdirectlyattachedtobuildingwallshasnotbeenpreengineered addingtothenumberofinterferences.

4.Evaluation andPotential ImactWhetherornotthemanyinterferences documented todaterepresent anunusually highnumberisdifficult todetermine, sincemanysuchinterferences occuronalljobs.ItisworthnotingthatmanyoftheE&DCRsissuedoverthepast9monthstoresolveinterferences requiredonlyrelatively smallandsimplechangestodimensions.

Therefore, manyinterferences thatmightotherwise beresolvedinthefieldbycraftsmen mustbepassedbacktotheengineeranddocumented onanE&DCR,makingthenumberofdocumented interfer-encesunusually high.Whilealargenumberofinterferences isundesirable, regardless ofhowtheyarehandled,thefactthatjobspecifications allowthecraftsmen only+1in.toresolvetheirinterferences necessarily meansthatmoreresolutions bytheEngineers (i.e.,documentation viaACNorE&DCR)arerequired, withtheirassociated timerequire-ments.Inaddition, conduitinstallation inthepasthasbeenlargelyamatterofthecraftsmen establishing thebestrouteinthefieldusingto/frominformation afterpractically everything elsehasbeeninstalled.

Foranoffice-bound designertopresumetorouteconduitinanunmodelled areaisboundtocreatetheinterferences beingencountered.

Yet,itisrecognized thatstructural evaluation oftheconduitandconduitsupportssystemmustbeaccomplished, andtheengineering drawingwithspecified routingisthevehiclechosen'orthatpurpose.Further,structural evaluation andsignoffisrequiredoneachE&DCRrevisingconduitrouting,thusaddingtotheapprovalcycle.Giventheabove,itisconcluded that:a~Asystemproviding greaterflexibility toresolveconduitinterferences withoutadrawingdeviation wouldenhancetimelycompletion ofconduitinstallation.

(Suchasystemmight,allowconduitrelocation of1ftormoreprovidedsupportsystemrema'ined thesameormightallowsupportsrelocation uptoamaximumspan;anincreasetolocaltolerances, however,shouldbeusedonlytoresolveinter-ference.)

C2/1217773/8/2RH STONE&WEBSTER llII

/TaskNo.2(b)Sheet3of3b.Agreaterspiritofcooperation andcommunity forgettingtheconduitinstalled wouldenhancetimelycompletion.

Thefollowing mightbeconsidered:

~Encourage contractor (particularly hisforemenandsupervisors) torequestimprovements oroffersugges-tionstotheEngineers forconduitrouting/reloca-tion,e.g.,directattachment atinsertsonawallinlieuofcantilevered (engineered) supports.

Respondtosuchrequestsinatimelymanner.~Bringtheengineers authorized toapprovechanges(ACNs)closertotheworkareatoallowthemtodevelopagreaterteamspiritwiththoseperforming theinstallation.

~Include-PQCinthecircleofcommunication whenrevisingspecification ordrawingguidelines.

c~ThenumberofESDCRsperconduitarrangement drawingismuchtoohigh.Installation ratesforconduitinthecontrolbuildingareprobablytypicalofwhatcanbeexpectedforthebalanceoftheCategoryI/seismic areas.Thus,atpresentrate,conduitinstallation islikelytorequiremoreman-hours thanoriginally anticipated.

Adjustments tomanpowerandgreaterflexibility ofinstal-lationtoresolveinterferences wouldmakethepresentscheduleachievable.

C2/1217773/8/2RH STONE8r,WEBSTER III Stone&WebsterEngineering Corporation NiagaraMohawkPowerCorporation NineMilePointNuclearStation-Unit2Independent DesignReviewProgramCONSTRUCTIBILITY REVIEWFINDINGRPP"2"0J.O.No.12177.73TaskNo./Description:

No.2(c)-SuortsInterferences-ReactorBuildinExalesSheet1of21.Itemsofconcern/Item underreview:a~ARRGT-COND&SIMCSPRTS.REACTORBUILDINGEL240"0DrawingNo.12177-EE-460AB COND&SEISMICSUPPORTSREACTORBUILDINGEL240FT0IN.DrawingNo.12177-EE-460EL Inaccordance withE&DCRNo.C15,867,bankof53/4-in.con-duitsandjunctionboxrequiredrelocation toavoidsmallborepipesupport.E&DCRbothgenerated andansweredonJanuary12,1983.b.ARRGT-COND&SIMCSPRTSREACTORBUILDINGEL175FT0IN.DrawingNo.12177-EE-460B Inaccordance withE&DCRNo.C14,807(revisedbyE&DCRNo.F10,851),

conduitsupport6B08requiredrevisiontoavoidinterference frompipesupportonBZ-137X.2.~BackroundMuchoftheconduitinthereactorbuildingisdirectlyattached.

ThenumberofE&DCRs/ACNs toresolveinterferences isconsiderably lessperdrawingthanwasthecaseinthecontrolbuilding.

Also,GeneralNotesforthereac'torbuilding(EE-460A, 460S)nowallowfieldadjustment inanumberofareas,e.g.,6-in.relocation tohitcenterline ofsteel,rotationofpostsupports, andoffsetsbetweensupports.

Also,interferences withdirectlyattachedconduitcanberesolvedbymovingtheconduitwithoutanE&DCR.3.3~indiaThetwoE&DCRslistedabovedescribeconduitinterferences withpipesupportsinthereactorbuildingandrepresent thetypicalscopeofsuchinterferences fortwodrawings.

C2/1217773/8/2RH svoNEaiwessvaa IIIIII TaskNo.2(c)Sheet2of24.Evaluation andPotential IactSomemovementtowardsgreaterinstallation flexibility isapparentinthereactorbuildingconduitdrawings.

Inteferences willcon-tinuetooccur,particularly withconduitattacheddirectlytowallsandstructural steel,requiring additional reworkman-hours.

Theextentofthisreworkmaybe30percentoftheoriginalinstallation man-hours.

C2/1217773/8/2RH SvoNetkWcosmR III Stone&WebsterEngineering Corporation NiagaraMohawkPowerCorporation NineMilePointNuclearStation-Unit2Independent DesignReviewProgramRPP-2-0J.O.No.12177.73CONSTRUCTIBIIITY REVIEWFINDINGTaskNo./Description:

No.2(d)-SuortsInterferences-G-LineWall(Screenwell) 1.Itemsofconcern/Item underreviewSheet1of2G-LineWallInterference (betweenpipesupportsfortwo3-in.lubeoillinesandadjacentcabletray)E&DCRNo.C51,450relocated lubeoillines2LOS-003-9 and-14andplacedsupportsfortheselinesonholdduetointerferences.

Sup-portsweresubsequently issuedonE&DCRNos.V50,233andV50,251approximately 2monthslater.Designcheckoflocationforthese3-in.linesandtheirassociated supportsapparently didnotcor-rectlyaccountfortheadjacentcabletrays.2.~BackroundTrayarrangement wasissuedforconstruction onApril6,1978,asEE-34AP-3, CABLETRAY'ARRANGEMENT, SCREENWELL BUILDINGel261ft.tubeoil"lines2IOS-003-9 and-14firstissuedonSeptember 20,1978,'asEP-41C-1, TURBINELUBEOILPIPING,SCREENWELL BUILDING.

SupportswereissuedbyITTGrinnellonBZ-41GOOX seriesdrawingswithfirstissuesbeingapprovedbySWECinMarch1980.3.~FindinPipesupportsfortwo3-in.lubeoillines(piperoutingissuedbySWEC;supportsissuedbyITTGrinnell) interfered withelectrical cabletraysissuedearlier.4.Evaluation andPotential IactThisinteference dealswithaCategoryIIinstallation and,assuch,involvespipesupportsdrawingspreparedbythecontractor.

There-fore,thesolutiontotheinterference notonlyinvolvedSWECdrawingrevision(piperoutingchanges)butalsocontractor drawingchanges.Themultiparty involvement mayhavecontributed,to theneedforthreeE&DCRstoprovideafinalsolution.

Itwouldappearthattheoverallsolutionmighthavebeenestablished atonetimewithallpartiesandthenissuedasonesolutionononeE&DCR(oronegroupofE&DCRs)atonetime.TheissuanceofthreeE&DCRsoveramorethan2-monthperiodtofinallyresolvetheinterference con-tributedtothefrustration oftheconstruction forcesresponsible fortheinstallation.

C2/1217773/8/2RH aSTONeacWEBSTERARK III TaskNo.2(d)Sheet2of2Determining theextentofscheduleimpactduetosuchproblemsandmannerofresolution wouldbesubjective.

Thisinterference maywellhavebeenthemostglaringorannoyingatthetimeofthesitevisit.Itisconcluded thatmoretimelyandthoroughresolution ofinterferences bytheresponsible siteengineer(s) forthegivendiscipline(s) workingwithallinvolvedpartieswillbenecessary tomaintainthepresentschedule.

C2/1217773/8/2RH svoHc&WeasveR IIII Stone&WebsterEngineering Corporation NiagaraMohawkPowerCorporation NineMilePointNuclearStation-Unit2Independent DesignReviewProgramRPP-2-0J.O.No.12177.73CONSTRUCTIBILITY REVIEWFINDINGTaskNo./Description:

No.3-Installation Practicalit Sheet1of2Nl.Itemsofconcern/Item underreview:a.Issuedforconstruction drawingsingeneral-canfieldusethemasis.b.=Tenspecificproblems; seeseparatesheets(attached).

2.Sourceofinformation, personscontacted, background onsubjectmat-ter:SameasTaskNo.2.Siteinterviews wereconducted, afieldwalk(withsomesupervisors andforeman)wasmade,anddrawingsandE&DCRswerereviewedatCHOC.3.Finding:CategoryI/seismic DPdrawingsareconsidered insufficient (nohangerlocations tobuildingreference lines;dimensions tooloose-scaledfromQ-in.model;specification tolerance doesnotallowinstallation directlyfromISOasis).b.TherearenumerousE&DCRsagainstdrawings, particularly CategoryI/seismic electrical conduit,arrangement drawings.

4.Evaluation ofpotential impact,conclusions:

a.CategoryI/seismic smallboreeffortwillcontinuetolaguntilmoreworkablearrangement isestablished toprovidelocatingdimensions ortoallowflexibility toinstallasrequiredbyfieldconditions.

b.ImprovedEngineering checking(EEdrawings) andmoretimelycompletion/processing ofdesign.changeswillenhanceman-hours andscheduleperformance byConstruction.

Iftherearenoim"provements, expectthesamelevelofprogresswhichcanonlyslowdownasemphasisshiftsfrombulkcommodities tofinishing systems.Originated by~rSigne~I-Review/Concurrence Pc~'-//-cf3 DateCongructionManagerC2/1217773/8/2RH STONEa.'WEBSTER IIIIIII TaskNo.3Sheet2of2Nolocatingdimensions (tobuildingreference lines)forhangers;e.g.,reactorbuildingDP-340BP,BQ,BR,INSTRAIRSECONDARY CON-TAINMENT.

2.Holddownofvendorequipment isspecified tobeinaccordance withvendordrawings.

Fieldconditions oftenprecludeuseofvendordrawingwithoutsomerevision; e.g.,vendorcallsforfilletweldsizelargerthanava'ilable atedgeofembeddedsill(reference MCCsel261,controlbuilding).

3.Detailfordirectlyattaching conduittoembeddedstrutonwallsdoesnotallowconduit-to-wall clearance forpullboxesorbaseplates(reference batteryroom(2BYS<BAT2B),

eastfaceof12-linewall,el261ft).4.Flexconduittobridgethebuildingshakespacebetweenclosed-bottomtrayswillnotfitthroughopening,el214ft,controlbuilding(reference DrawingNos.EE-340AAand340AT.)5.Westendofsouthelectrictunnel,postsupportforconduitnotorientedtolandconduitsquarelyontubesteel.Reorientation re-quired(reference ESDCRNos.C14,083andC14,577andDrawingNo.EE-450A.)

NOTE:ReactorbuildingDrawingNo.EE-460AG, Note4,nowallowsrotationofpostsupportstosuitfieldrequirements inthereactorbuildingprimarycontainment.

6.Southelectrictunnelatsouthwallofauxiliary bay--electrical sleevesfeedbankofverticaltrayswhichfeedbankofhorizontal trays.Specification requirement ofmaximum3ftofunsupported cablemayneedrelaxation toaccomplish cableinstallation throughthisarea.Reference DrawingNo.EE-450A.7.8.Bearing-type drilled-in-anchors calledoutonBZ-108PWandPXissuedforconstruction priortoissuanceofapprovedspecification/proce-dureforinstallation.

IRequestsbyelectrical contractor tocutrebarforinstallation ofdrilled-in-anchors havecausedsomedelays.Inonecase,lengthydelayinresponseallowedfieldconditions tochange(newpipelinerunthrougharea),furthercomplicating theoriginalbaseplateandsupportinstallation (reference controlbuilding, 12-linewall,el237ft).9.Tubesteeltotubesteelwraparound weldscannotbemadeafterpipeerectionforpipesizes12in.andunder.10.EGDCRNo.C41,849againstDrawingNo.EE-420ECOND6SIMCSPRTS,CONTROLBUILDING, wasrequiredtoclearsupport2ft4in.sothatitwouldnotfallinbendradiusof4in.diameterconduitbeingsupported.

C2/1217773/8/2RH STONC&WESSTER IIIIIII