ML17264A208

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Rev 3 to Procedure PT-47.11, Containment Post Accident Charcoal Filter Unit Efficiency Test.
ML17264A208
Person / Time
Site: Ginna Constellation icon.png
Issue date: 03/09/1994
From:
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17264A201 List:
References
PT-47.11, NUDOCS 9510260348
Download: ML17264A208 (13)


Text

ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERPROCEDURE NO.PT-47.11REV.NO.3CONTAINMENT POSTACCIDENTCHARCOALFILTERUNITEFFICIENCY TESTTECHNICAL REVIEWPORCREVIEWDATEPLANTSUPERINTENDENT EFFECTIVE DATECATEGORY1.0REVIEWEDBY:THISPROCEDURE CONTAINS11PAGES6INNASTATIONSTART:IllMECOMPLETED:

DATETIVE'9510260348 951018PDRADQCK05000244P..,PDR.

PT-47.11:1 PT-47.11CONTAINNENT POSTACCIDENTCHARCOALFILTERUNITEFF1CIENCY TEST1.0PURPOSE:Toprovideteststepsforsurveillance halideleaktestingoftheinstalled "CHARCOAL" adsorberbanktoensurethattherearenoleaksgreaterthanthatallowedbysystemacceptance criteria.

2.0 TESTREUIREMENTS

2~1Thistestshallbeperformed every18monthsorafter720hoursofcharcoaladsorbersystemoperation, sinceprevioustest,orfollowing

painting, fire,orchemicalrelease,intheareacommunicating withtheairhandlingunitandshallhavethefollowing conditions demonstrated.

2.1.12~1.2~~Pressuredropacrossthe"CHARCOAL" adsorberbankshallbe<3"H20atdesignflowrate,(+104).In-place"HALIDE"(Freon)leaktesting,undernormaloperating conditions, shallshow>99%removalefficiency.

2.1.3Every12months,a"CHARCOAL" sampleshallberemovedfromanadsorbercell,randomlyselectedfromthosecellswiththelongestin-bankresidence timeor"TESTCANISTER(S)"

shallberemoved,andsenttoalaboratory foran"IODINEREMOVALEFFICIENCY TEST".Theefficiency shallbeatleast90%removalforiodine.2'2.3Aftereachreplacement ofa"CHARCOAL" adsorbercellorafteranystructural maintenance performed ontheadsorbermountingframesoftheunit,theefficiency specified instep2.1.2,shall'edemonstrated.

Visualinspection of"CHARCOAL" adsorbercellassemblies fordamageandlossofcharcoalshallbeperformed.

3.0F1

REFERENCES:

PlantTech.Specs.-Section4.5.2.3inclusive.

PT-47.11'2 3.23.33.43.5.63'3.8ANSI/ASME N510-1980 (TestingofNuclearCleaningSystems).

NUCON-Vendor.RGGEVentilation SystemFlowDiagramf33013-1863.

Previously procedure PT-29.3(1987).A-1102,Qualification ofTestPersonnel.

A-1603.1, WorkRequest/Trouble ReportInitiation.

PT-38.1,VisualInspection ofCharcoalFilterTrayAssemblies

.3.93:10A-1408,Independent Verification Procedure.

A-805,ControlofConsumable Materials at,GinnaStationProcedure.

4.0 INITIALCONDITIONS

NOTEIfpreparatory workwillbeperformed priortovendorarrival,markstep4.1N/A.4.1Vendordocumentation requiredbytheapplicable purchaseorderhasbeensubmitted toQCDept.andfoundacceptable priortostartofwork.QC4.2Plantshallbeatcoldshutdown.

4.3RGGEtestpersonnel arequalified inaccordance withA-1102.4'Visualinspection of"CHARCOAL" adsorbercellassemblies shallbecompleted perPT-38.1.4.5NotifyShiftSupervisor andHeadControlOperatoratstartanduponcompletion oftest.4.6Whenmassairflowthru"CHARCOAL" bankhasbeendetermined, logonapplicable vendor's"IN-TEST" datasheet.

PT-47.11:3 4.74.7~1Thisprocedure isdividedintothefollowing sections.

Initialwhichsection(s) applyandmar'kremainder N/A.Removalof"CHARCOAL" AdsorberCellorTestCanisterforIodineRemovalEfficiency Testing(Section6.2).4.7.2CharcoalAdsorberBankTesting-Halide(Section6.3).4.7.3FilterBankRemovalandReplacement (Section6.4).4.8Preparetesttagsforthefollowing:

POSITIONPRIORTOTESTPOSITIONREQUIREDFORTEST:4.8.14.8.24.8.34.8.44.91-AContmnt.Recirc.FanUnitSwitch:!'sRequired" 1-BContmnt.Recirc.FanUnitSwitch:"AsRequired" 1-CContmnt'.

Recirc.FanUnitSwitch:"AsRequired" 1-DContmnt.Recirc.FanUnitSwitch:"AsRequired" NotifyHPDept.thatsystemwillbeshutdowntofacilitate entryintounitforinspection andtestpreparation.

4.104'1SWPhasbeenissued.Ifadiscrepancy requiring maintenance isfound,submitaWR/TRtocorrecttheproblem.4.12The"A"and"C"Containment Recirculation Fansareavailable foroperation andtheirairflowpathsmaybealignedtotheirrespective postaccidentcharcoalfilterbankasdesired.4.13IfonlyoneunitistobetestedmarkotheroneN/A.

O~

PT-47.11:4 4.14Onlythefanunitbeingtestedmaybeinoperation withALLOTHERUNITSin"PULLSTOP"condition.

4.154.16NotifyQCDept.priortostartoftest.NotifyChemicalControltoensure"GinnaStationConsumable MaterialLabels"areavailable tobepostedonallchemicalcontainers usedforthistest.4.16.1ARestricted UsedPermithasbeenissuedforthelistedproducts:

4'6.1.1PRODUCTGERETRONHALIDER-11~PERMIT90:188P5.0PRECAUTIONS:

5.1Radiation protection practices willbeobservedatalltimes.5.25<<35.4Normalcompanyworksafetypractices willbeobserved.

NotifyHPSectionthatHalidewillbeusedtotestthecharcoalunitsandastrongorganicodormaybenoticedintheareasaffectedbythissystem.Propersequential implementation ofeachprocessinthisprocedure, asapproved, isnecessary toensureadherence toA-805,ControlofConsumable Materials atGinnaStation.6.0INSTRUCTIONS:

PA'NIT:"AflBII6.1Ensureassociated fanisshutdown("PULL-STOP" position) andtesttag(s)arehungonfanswitch(es),

beforeenteringplenumunit(MCB)."A"CVRecirc.Fan"PULL-STOP"

~NA<<C<<CVRecirc.Pan"PULL-STOP"

~NA 6.2PT-47.11:5 REMOVALOFCHARCOALADSORBERCELLORTESTCANISTERFORIODINEREMOVALEFFICIENCY TESTING:P.A.UNIT:"A"IIBII6.2.1Remove"CHARCOAL" adsorbercellor"TESTCANISTER(S)"

fromfilterbanktoobtaincharcoalsampleforlaboratory testingandreplacewithapprovedsame.Labelnewlyinstalled charcoal'cell/test canisterfaceplate, toreflectreplacement date.I6.2.2Adsorbercelllocation.

(N/Aifnon-applicable).

1-AP.A.Unit:1-BP.A.Unit:6.2.3Testcanister(s) location.

(N/Aifnon-applicable).

1-AP.A.Unit:1-BP.A.Unit:6.2.4Ensureadsorbercellortestcanister(s) replacedis/arerestoredtooperating condition.

6.3CHARCOALADSORBERBANKTESTING-HALIDE:NOTE:Ifstep4.1wasperformed, markstep6.3.1N/A.6.3.16.3.2Vendordocumentation requiredbytheapplicable purchaseorderhasbeensubmitted toQCDept.andfoundacceptable priortostartofwork.QCStartassociated containment recirc.fanunitforcharcoalbankundergoing test."A"Fanfor"A"P.A.Bank"C"Fanfor"B"P.A.Bank6.3.3Toproperlyaligndampersoffanunitbeingtestedinthe"POSTACCIDENT" mode,performthefollowing:

PT-47.11:6 P.A.UNIT:"At'tB6.3.3.1"A"P.A.unit("A"CVRecirc.Fan)-Pressinarmaturerelay"CF1A-L",

rackRA2,RelayRoom.6.3.3.2"B"P.A.Unit("C"CVRecirc.Fan)-Pressinarmaturerelay"CF1C-L",

rackRA3,RelayRoom.6.3.46.3.4.1Verifythefollowing fortheassociated fan:NormalLoopEntryDamperClosed(LED).6'.4.2CharcoalBankInletDamperOpen(CID).6.3.4.3CharcoalBankOutletDamperOpen(COD).6.3.56~3~5.16.3.5.26.3.5.3Ensurethefollowing equipment itemsareavailable:

HalideTracerGas,R-11.HalideDetector.

HalideGenerator.

6.3.6ConnectHalideDetectortopowersupplyandallowapproximately 15minuteswarmuptime.6.3'6.3.8Connectsamplelinestoupstreamanddownstream sampleports.Establish flowthroughsystem.6.3.9Recordpressuredropsacrossfiltersandtransfertoapplicable vendor's"HalideTest"datasheets.6.3.9.1(Max.Allowable (3"H20)H20H20NOTEIfpressuredropsarebeyondallowable limits,investigate andcorrectproblempriortotesting.6.3.10Establish upstreamanddownstream sampleflowsandsetupstreamdilutionairratiosifnecessary, toproduceanupstreamconcentration whichiswithinthelinearresponserangeofthedetector.

PT-47.117P.A.UNIT:"A"6.3.11Takeupstreamanddownstream background readings.

sampleNOTE:Ifthesereadingsshownobackground contaminants thatmightinterfere withtestresults,continuewiththetest.Ifinterference isindicated, purgesystemwithairflowuntilinterference isreducedtoanacceptable level.6.3.126.3.13Startinjection.

MonitorandrecordupstreamanddoWnstream tracergasconcentrations forfiveminutesusingapplicable vendor'sdatasheet.6.3.14Calculate percentefficiency andtransferdatatoappropriate vendor'sdatasheet.EFFICIENCY:

NOTEHalideconcentrations aredetermined byaveraging (4)stabilized readingspreviously recordedondatasheet.6.3.15Ifadiscrepancy requiring maintenance isfound,duetothepercentefficiency obtainedbeinglessthantheallowable limits,submitaWR/TRtocorrecttheproblemassoonaspractical andretest,otherwise markN/A.RETESTEFFICIENCY:

6.3.16'6.3.17Removeallsamplelinesfromports.Replace'll pipecapsorfittingsonunit.6.3.18Tore-aligndampersoffanunitbeingtested,performthefollowing:

6.3.18.1"A"CVRecirc.Fan-Press"RESET"buttonfor"CF1A-L",

RackRA2,RelayRoom.6.3.18.2"C"CVRecirc.Fan-Press"RESET"buttonfor"CF1C-L",

RACKRA3,RelayRoom.

PT-47.11:8 P.A.UNIT:'tAIIBII6.4FILTERBANKREMOVALANDREPLACEMENT:

6.4.1Ensureinstruction 6.1hasbeenperformed priortoenteringplenumunit.6.4.26.4.2.16.4.3Typefilterbankremoved:CHARCOALNumberoffiltercellsremoved:¹6.4.4Replacefiltercellsremovedwithapprovedtype,labelnewlyinstalled charcoalfilterfaceplate toreflectreplacement dateandensurethebankisrestoredtooperating condition.

6.4.5Testsystemutilizing appropriate testsectiontoretainsystemefficiency withinallowable limits.6.5Acopyofthevendor'stestdatashallbeattachedtothisprocedure.

6.6Vendortosubmit,atafuturedate,acomplete,.report oftestresults.6.7Ensurealltesttagshavebeenremovedandtesttaglogreflectsso.6.8NotifyHeadControlOperatorthatsystemtestingiscompleted andsystemmayberestoredtonormaloperating conditions.

~~COMMENTS"A"Unit:COMMENTSnBnUnit:COMPLETED BY(RG&E):(VENDOR):

DATECOMPLETED:

HEADCONTROLOPERATOR:

SHIFTSUPERVISOR:

RESULTS&TESTREVIEW:DATE "A"GVRECRC.FANI~~ISI"A"POSTACCDB4TCHARCOALFLTERSYSTEM"A"POSTACCDENT~~TRAVERSE+1KQ53gal!/ACONTAtAENT RECRC.FAN(POSTACCGENT),

.(NORMAQ5872COOTRAVERSEAlSAM!LEFOWT-FCRMASI!AllFLOWIWASLMSET4T AMIUMITMIMRIOIRIMA!'!MEREST.

VERSE+2-S~'LEPONTFOROOVmeTREAA'H20 AR++,TRAVE!SR3SAMFIEFOWTFCRMAESAMFLOWEASIFMMM j~/kh~y