ML17264A202

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Rev 3 to Procedure PT-2.3.1M, Post Accident Charcoal Filter Dampers - Monthly.
ML17264A202
Person / Time
Site: Ginna Constellation icon.png
Issue date: 11/02/1994
From: MARLOW T A
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17264A201 List:
References
PT-2.3.1M, NUDOCS 9510260339
Download: ML17264A202 (7)


Text

IROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERPROCEDURE NO.PT-2.3.1M REV.NO.3POSTACCIDENTCHARCOALFILTERDAMPERS-MONTHLYTECHNICAL REVIEWPORCREVIEWDATE(0PLANTSUPERINTENDENT u-F-EFFECTIVE DATECATEGORY1.0REVIEWEDBY:THISPROCEDURE CONTAINS6PAGESGINNASTATlONSTART:DATETlMECOMPLETED:

DATETlME:9510260339 951018PDRADOCK05000244.P.PDR PT-2.3.1M:1 PT-2.31MPOSTACCIDENTCHARCOALFILTERDAMPERS-MONTHLY1.0PURPOSE1.2Toprovideinstructions forverifying operability ofthedampersassociated withtheContainment Recirc-ulationFancharcoalfilterflowpaths.Toprovideinstructions forperforming themonthlyinspection oftheContainment Recirculation Units.2.0TESTREUIREMIBFZS:

2.12.2Toexerciseeachdamperthroughacompletestrokingcycle.TooperateeachPostAccidentCharcoalFilterUnitintheRecircModeforatleastfifteenminutes.2.32.42.5ToinspecteachContainment Recirculation Unitforsignsofwaterwithinthefiltration area.ToinspecteachContainment Recirculation UnitDemisterUnitforcombustibility.

Toverifyoperability andproperorientation andflowintheaccidentmode.3.03.13.23.

33.4REFERENCES

33013-1863, Containment HVACSystems.Tech.Specs.Section4.5.2.3.5.

S-23.5,PostAccidentCharcoalFilterOperation.

ANSIN510-1989

[AppliesonlytoDemister(Moisture Separators)

UnitCombustibility visualinspections]

Section5.5.1.6.4.0INITIALCONDITIONS:

4.1Dampersurveillance maybeperformed duringanyplantoperating mode.

PT-2.3.1M:2 4.2NotifyShiftSupervisor atstartoftest.4.3NotifyHeadControlOperatoratstartoftest.Anyabnormality orerraticdamperactionobservedduringperformance ofprocedure shallbenoted.AWorkRequest/Trouble Reportshallbesubmitted fortheconcerned damper.4.5Testpersonnel arequalified inaccordance withA-1102.4.6AHealthPhysicsWorkPermithasbeenissuedbyHPDepartment, topermitContainment entryand/orRecirculation Unitinspection.

4.7Ifthisprocedure isbeingperformed asanunscheduled testorfollowing maintenance, initialthosesectionsbeingcompleted andmarktheremainder N/A.4.8NotifyQ.C.Dept.atstartoftest.4.9Priortostartoftesting,notifyDiagnostic TestingGroupthatrequiredequipment monitoring associated withtheCNMTRecirculation Fansshallbeperformed.

5~0PRECAUTIONS:

5.1OnlyonegroupofContainment Recircdampersshallbetestedatatime.5.25.3Observeallrequirements oftheHealthPhysicsWorkPermitforContainment entry.TheShiftSupervisor shallbenotifiedimmediately ifanyacceptance criteriaisnotmetoranymalfunction orabnormalconditions occur.6.0INSTRUCTIONS.

6.11ARecirculation FanDamers6.1.1Verifyorplacethe1AContainment RecircFaninservice.

6.1.26.1.2.16.1.2.26.1.2.36.1.3PT-2.3.1M:3 Visuallyverifythefollowing damperpositions:

1F-LED(5873),LoopEntryDamperOPEN1I-CID(5871),CharcoalUnitInletCLOSED1K-COD(5872),CharcoalUnitOutletCLOSEDAttheMCB,verifytheGreenindicating light,"CHARCOAL FILTER1ADAMPERSCLOSED"isON.NOTE:CF1A/Lisalatchinrelay,locatedinRelayRoom,RackRA2Front6.1.46.1.56.1.5.16.1.5.26.1.5.36.1.6PressinCF1A/Lrelayarmaturebutton.Visuallyverifythefollowing damperpositions:

1F-LED(5873),LoopEntryDamperCLOSED1I-CID(5871),CharcoalUnitInletOPEN1K-COD(5872),CharcoalUnitOutletOPENAttheMCB,verifythe-Greenindicating light,"CHARCOAL FILTER1ADAMPERSCLOSED"isOFF.6.1.7RecordtimedampersswitchedtoRecircMode.hr.NOTE:FanmustoperateinRecircModeforatleastfifteenminutestosatisfyTechSpecrequirements.

6.1.8AfteratleastfifteenminutesofRecircModeoperation, pressCFlA/LrelayRESETbutton.6.1.96.1.9.16.1.9.26.1.9.36.1.10Visuallyverifythefollowing damperpositions:

1F-LED(5873),LoopEntryDamperOPEN1I-CID(5871),CharcoalUnitInletCLOSED1K-COD(5872),CharcoalUnitOutletCLOSEDAttheMCB,verifytheGreenindicating light."CHARCOAL FILTER1ADAMPERSCLOSED"isON.

6.1.11PT-2.3.1M:4 RecordtimedampersswitchedtoNormalMode.hr.6.1.126.26.2.1RecordPostAccidentFilterruntimeinS-23.5locatedonbackofMCB.1CRecirculation FanDamersVerifyorplacethe1CContainment RecircFaninservice.6.2.26.2.2.16.2.2.26.2.2.36.2.3Visuallyverifythefollowing damperpositions:

1H-LED(5875),LoopEntryDamperOPEN1J-CID(5876),CharcoalUnitInletCLOSED1L-COD(5874),CharcoalUnitOutletCLOSEDAttheMCB,verifytheGreenindicating light,"CHARCOAL FILTER1CDAMPERSCLOSED"isON.NOTE:CF1C/Lisalatchinrelay,locatedinRelay6.2.46.2.56.2.5.16.2.5.26.2.5.3'6.2.6Room,RackRA3FrontPressinCF1C/Lrelayarmaturebutton.Visuallyverifythefollowing damperpositions:

1H-LED(5875),LoopEntryDamperCLOSED1J-CID(5876),CharcoalUnitInletOPEN1L-COD(5874),CharcoalUnitOutletOPENAttheMCB,verifytheGreenindicating light,"CHARCOAL FILTER1CDAMPERSCLOSED"isOFF.6.2.7RecordtimedampersswitchedtoRecircMode.hr.NOTE:FanmustoperateinRecircModeforatleastfifteenminutestosatisfyTechSpecrequirements.

6.2,8AfteratleastfifteenminutesofRecircModeoperation, pressCF1C/LrelayRESETbutton.

6.2.96.2.9.16.2.9.26.2.9.36.2.10PT-2.3.1M:5 Visuallyverifythefollowing damperpositions:

1H-LED(5875),LoopEntryDamperOPEN1J-CID(5876),CharcoalUnitInletCLOSED1L-COD(5874),,CharcoalUnitOutletCLOSEDAttheMCB,verifytheGreenindicating light,"CHARCOAL FILTER1CDAMPERSCLOSED"isON.6.2.11RecordtimedampersswitchedtoNormalMode.hr.6.2.12RecordPostAccidentFilterruntimeinS-23.5locatedonbackofMCB.6.36.3.16.3.1.16.3.1.26.3.1.36.3.1.4MonthlXnsectionofContainment RecircUnitsXnspecteachofthefollowing asperAttachment 1,Containment RecircUnitMonthlyXnspection CheckList.RecircUnitARecircUnitBRecircUnitCRecircUnitDCOMMENTS:

COMPLETED BY:DATECOMPLETED:

HEADCONTROLOPERATOR:

SHIFTSUPERVISOR:

RESULTS2TESTREVIEW:DATE PT-2.3.1M:6 ATTACHMENT 1Containment RecircUnitMonthlInsectionCheckList1.EnsureRecircFanUnitisnotinoperation.

UnitD2.Ensureeachdrainfreeofforeignmaterial.

3.Inspectfanchillerpipingareaforpossibleservicewaterleaks.4.InspectHEPTfiltersectionforevidenceofwater~aboutfloorareaandanywaterdamagetoHEPAfilterunits.5.InspectDemisterUnitforcombustibility utilizing thefollowing criteria:

a)a)Novisualevidenceofdirtordebrisloading.b)b)Novisualevidenceofoilorforeignmaterials susceptible tocombustion.

6.RequeststartoffanunitandrecordHEPAFilterDeltaPonMagnehelic (mustbelessthan3"H20)7.Removefanunitsfromservicewhicharenotneededatthistime.8.SubmitaWorkRequest/Trouble Reportifanydiscrepancies arenoted.COMPLETED BY:DATECOMPLETED: