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| {{#Wiki_filter:June1981TendonSurveillanceProgramRobertE.GinnaNuclearPowerStationApril27,1981 1JUNE1981SURVEILLANCEPROGRAM | | {{#Wiki_filter:June1981TendonSurveillance ProgramRobertE.GinnaNuclearPowerStationApril27,1981 1JUNE1981SURVEILLANCE PROGRAM |
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| ==1.0INTRODUCTION== | | ==1.0INTRODUCTION== |
| TheJune1981tendonsurveillanceprogramispresentedindetail.Theprogramincludestheliftoffoffourteen(14)tendonsincludingthefour(4)tendonswithloadcells.Thedatacollectionsystemrequiredwillnotonlyconfirmtheliftoffdata,butitwillalsoobtaindataneededtocontinuetheinvestigationintothelargerthanpredictedtendonlosses.TheinspectionandselectionprocessdiscussedintheProposedRevision3toUSNRCRegulatoryGuide1.35arefollowed.Themeasuredforceforeachtendonwillbeevaluatedwithrespecttoitspredictedlowerlimitforcediscussedinthisguide.ThesepredictedlowerlimitforcesareobtainedusingthelosscalculationmethodologydescribedintheProposedUSNRCRegulatoryGuide1.35Positionl.2.0OBJECTIVES,TheJune,1981surveillanceprogramisrequiredtoverifythatthetendonforcesarewithinthetechnicalspecificationsandtoprovidefurtherinformationastowhytendonshaveexperiencedprestresslossesinexcessoftheirpredictedvalues.Thissurveillanceprogramasoutlinedhereinhasfourobjectives:1~Tomeasurelift-offforcesinselectedtendons.2.Tocomparelift-offforceswiththosepredicted,usingeithertheexistingrelaxationdataand/orretensionedwiredatafromthetestingcurrentlyunderwayatLehighUniversity.3.Tocomparethetwoforcemeasuringsystems:a.Straingagedstressingrod.
| | |
| 1W b.Pressuregaugeandeffectiveramarea.4.Totestthe6%overstresseffect.ThefollowingsurveillanceprogramisintendedforuseonlyinJune'1981.Itisexpectedthatthedetaildatagatheringproposedwillnotbenecessaryonsubsequentsurveillances.3.0TENDONSELECTION3.1Thetendonselectionprocesswill:1.Verifythattendonforcelosseshavestabilized..2.Surveyenoughtendonstoextendpresentdatabase.3.Includeallfourtendonswithloadcells.4.Includetendonsretensionedat1000hoursafterinitialstressing.5.Includetendonsfromeachtendonmarkcategory.3.2Table1containsthecompletelistofselectedtendons.3~3Toverifythatthetendonforcelosshasstabilized,-tendons62and76areselectedbecausetheyexperiencedlargelossesduringthefirsteleven(ll)years.Tendon51isselectedasanaveragelosstendonand155asaminimallosstendon.3.4Toextendthedatabase,tendons17and84areselectedbecausetheyeachhavefour(4)recordeddatapoints.3.5Loadcellsarepresentundertendons13,53,93,and133,therefore,theseareselectedforsurveillance.Tendons133and13willbeusedtoevaluatethe6/overstresseffect. | | TheJune1981tendonsurveillance programispresented indetail.Theprogramincludestheliftoffoffourteen(14)tendonsincluding thefour(4)tendonswithloadcells.Thedatacollection systemrequiredwillnotonlyconfirmtheliftoffdata,butitwillalsoobtaindataneededtocontinuetheinvestigation intothelargerthanpredicted tendonlosses.Theinspection andselection processdiscussed intheProposedRevision3toUSNRCRegulatory Guide1.35arefollowed. |
| kI' 3.6Toincludetendonsretensionedat1000hours,fourareselected;twosurveyedpreviously(36and111)andtwonotsurveyed(33and116).4.0TESTPROCEDUREFORLIFT-OFF4.1InitialConditions1.Plantmaybeinanyphaseofoperation.2.Pressuregaugehasbeencalibrated.3.Hydraulicramareahasbeencalibrated.4.Hydraulicpumpandramarefunctionalandreadyforoperation.5.Loadcellsandstressingrodhavebeencalibrated.6.Alltendonstobestressedhavebeeninspectedforbrokenwiresandcorrosion.7.Containmentstructurehasbeeninspectedforcracks,spalling,etc.4.2Precautions1.ObserveallRGBsafetyrulesandregulations.2.Donotexceed6560psigaugepressureforjackandtendons.3.Wheneverhydraulicpumpisoperating,thereservoirventvalvemustbeopen.4.Donotextendrammorethan8inches. | | Themeasuredforceforeachtendonwillbeevaluated withrespecttoitspredicted lowerlimitforcediscussed inthisguide.Thesepredicted lowerlimitforcesareobtainedusingthelosscalculation methodology described intheProposedUSNRCRegulatory Guide1.35Positionl.2.0OBJECTIVES, TheJune,1981surveillance programisrequiredtoverifythatthetendonforcesarewithinthetechnical specifications andtoprovidefurtherinformation astowhytendonshaveexperienced prestress lossesinexcessoftheirpredicted values.Thissurveillance programasoutlinedhereinhasfourobjectives: |
| 4.3GeneralInstructions1.Fillinline1-4onthedatasheet(SeeAppendixI)andrecordcommentsfromthevisualinspectiononline5.2.Moveassembledhydraulicjacktopositionforcouplingtotheanchorheadandplacethepumpinaconvenientlocationforoperation.a.Carefullythreadstressingadaptorontotendonanchorhead.Note:Leaveaminimumofonethreadandmaximumofthreethreadsontendonanchorexposedbelowtheloweredgeofthestressingadaptor.b.Placejackassembly,ontendonbaseplate.c.Centerjackchaircarefullyovertendonheadandthreadstressingrodintostressingadaptor.d.Centercompressionshimsandtightenjackrodnutattop(ram)endofjackbeingcarefulnottodamagestraingagedareaandtheelectricalconnectorontopofthe,jackrod.3.Maketheappropriatestraingageconnectionsandcheckformalfunctions.4.Beforeattachinghosestojackforthefirsttendon,checkpumpandhosesbyperformingthefollowing:a.Setvalvestopumpposition.b.Startpumpatthesametimedepresstheballvalve. | | 1~Tomeasurelift-offforcesinselectedtendons.2.Tocomparelift-offforceswiththosepredicted, usingeithertheexistingrelaxation dataand/orretensioned wiredatafromthetestingcurrently underwayatLehighUniversity. |
| c.Pumpslowlytofillhosewithoiluntilitcomesoutofthehosefreeofbubbles.d.Releaseballvalveandstartpumpingagain.Continuepumping;hosewillbecomestiff;gaugepressurewillriserapidlyandthenholdconstant.5.Reducepressureandconnecthosestojack.6.Recordallinitialreadingsintheappropriatecolumnsonthedatasheet.7.Startpumpandincreasepressureto2,000psi.a.Recordstressingrodreadingincolumn3aondatasheet.b.Recordload'ellreadingincolumn4aonthedatasheetiftendonhasloadcell.c.Recordrampositionininchesincolumn5ondatasheet.d.Calculateandrecordforcevaluesforthestressingrod,pressuregaugeandloadcell.8.Increasepressureupto4,000psiandhold.a.Inspectforleakageofhydraulicfluidandnoteifleakageisexcessive.b.Recordstressingrodandloadcell(iftendonhasloadcell)-readingsintheappropriatecolumnsonthedatasheet.c.Calculateandrecordforceforthestressingrod,pressuregaugeandloadcell. | | 3.Tocomparethetwoforcemeasuring systems:a.Straingagedstressing rod. |
| 9.Increasepressureuntila0.035(1/32)inchthickfeelershimcanbeinsertedintotheshimstackattwoequallyspacedpositionsaroundtheshimstack.10.Reducerampressure1000psioruntilthefeelershimscannotberemoved.Increasepressureuntilbothfeelershimscanberemoved.Noteinthecommentsectionifthereisalargedifferenceintheloadatwhicheachfeelershimcanberemoved.Thisisdefinedasliftoff.a.Recordthepressuregaugereadingonthedatasheetincolumn2a.b.Recordthestressingrodreadingonthedatasheetincolumn3a.c.Recordtheloadcellreadingforloadcelltendonsincolumn4a.d.Recordtherampositionincolumn5ofthedatasheet.e.Calculateandrecordforcevalues.11.Stresstendons13and133anadditional6%overrecordedliftoffpressure.a.Recordcomputed6/overstresspressureondatasheetincolumn2a.b.Increasepressuretocomputed6/overstressingpressureandrecordstressingrodreading,loadcellreadingandrampositiononthedatasheet.c.Placetwo.035(1/32)inchthickfeelershimsintheshimpackandreducerampressuretoapproximately2900psi. | | 1W b.Pressuregaugeandeffective ramarea.4.Totestthe6%overstress effect.Thefollowing surveillance programisintendedforuseonlyinJune'1981.Itisexpectedthatthedetaildatagathering proposedwillnotbenecessary onsubsequent surveillances. |
| l' d.Slowlyincreasepressureuntilthefeelershimscanbewithdrawnfromshimstack.Thisisdefinedasliftoff.Recordloadcell,pressuregauge,straingageandrampositionondatasheet.e.Calculateandrecordforcevaluesondatasheet.12..Decreasepressuretoapproximately4,000psi.a.Recordstressingrodreading,loadcellandrampositiononthedatasheet.b.Calculateandrecordforcevaluesondatasheet.13.Decreasepressuretoapproximately2,000psi.a.Recordstressingrodreading,load'cellreadingandrampositiononthedatasheet.b.Calculateandrecordforcevaluesonthedatasheet.14.Decreasepressureuntilallloadisremovedfromjackrod.a.Recordstressingrodreading,loadcellreadingandrampositiononthedatasheet.15.Removejackassemblyfromtendon.a.Disconnectstraingageequipment.b.Unthreadstressingrodfromcoupler.c.Removejackchairandstressingrodassembly.d.Removeadapterfromtendonhead. | | |
| 16.Recordanycommentsconcerningliftoffonthedatasheet.17.Movetonexttendon.5.0DATACOLLECTIONPROCEDURES5.1TestData-Recordalldataasrequiredin4.0,TestProcedureforLiftoff5.2Datasheet-TheproposeddatasheetispresentedinAppendixI.5.3Stripchartrecordingsofforcefromloadcelltendonswillbeginwhenthejackassemblyismovedfromthattendonandcontinuefor500hours.6.0TENDONSURVEILLANCESEQUENCEThescheduleispresentedinTable2.7.0ACCEPTANCECRITERIAThemeasuredliftoff.forceswillbeevaluatedinaccordancewiththepresent"GinnaTechnicalSpecifications." | | ==3.0 TENDONSELECTION== |
| Table1TENDONSELECTIONTendonNumberTendonMarkComments1317'3336515362768493111116133155ACGSHTAAABAAA2ERAALoadcellMaximumrecordeddataRetensionedat1000hoursRetensionedat1000hoursAveragellyearlossIoadcellLargellyearlossLarge11yearlossMaximumrecordeddataIoad'cellRetensionedat1000hoursRetensionedat1000hoursLoadcellSmall11yearloss 10Table2TENDONSURVEILLANCESE(}UENCESequenceNumberTendonNumberSecialInstructions910ll12131413173336515362768493111116133155I,oadcelland6/overstressingLoadcellLoadcellIoadcelland6/overstressing.
| | 3.1Thetendonselection processwill:1.Verifythattendonforcelosseshavestabilized. |
| AppendixIDataSheet-June1981TendonSurveillance 12DATASHEET1-JUNE,1981TENDONSURVEILLANCERG&EGINNANUCLEARPOWERSTATIONROCHESTERGASANDELECTRICCORPORATION1)Date2)HydraulicJackNo.3)HydraulicPumpNo.4)LoadCellFactor--TendonNo.RamArea"=PressureGaugeNo.ShimStackThicknessStressingRodGageFactor~'~5)TendonInspectionComments1Condition2PressureGaue3StressinRod4I.oadCell5RamPosition6CommentsInitialIncreasingIncreadingLiftoffa(bPressureForce"(si)(lbs)20004000aStrain(min/in)bForce---(lbs)bStrainForce"""(min/in)(lbs)inchesLiftoff+6g(Tendons13&133)LiftoffDecreasingDecreasingDecreasin400020000 13DATASHEET1(Cont'd)Notes:(-)Ramareatobeusedtocalculateramforceincolumn2b:Force=RamAreaxPressureLoadCellFactortobeusedtocalculateforceincolumn4b:Force=LoadCellFactorx(Strain'Reading-InitialStrainReading)StressingRodGageFactortobeusedtocalculateforceinrodincolumn3b:Force=StressingRodGageFactorx(Strain-InitialStrainReading)}} | | .2.Surveyenoughtendonstoextendpresentdatabase.3.Includeallfourtendonswithloadcells.4.Includetendonsretensioned at1000hoursafterinitialstressing. |
| | 5.Includetendonsfromeachtendonmarkcategory. |
| | 3.2Table1containsthecompletelistofselectedtendons.3~3Toverifythatthetendonforcelosshasstabilized,-tendons 62and76areselectedbecausetheyexperienced largelossesduringthefirsteleven(ll)years.Tendon51isselectedasanaveragelosstendonand155asaminimallosstendon.3.4Toextendthedatabase,tendons17and84areselectedbecausetheyeachhavefour(4)recordeddatapoints.3.5Loadcellsarepresentundertendons13,53,93,and133,therefore, theseareselectedforsurveillance. |
| | Tendons133and13willbeusedtoevaluatethe6/overstress effect. |
| | kI' 3.6Toincludetendonsretensioned at1000hours,fourareselected; twosurveyedpreviously (36and111)andtwonotsurveyed(33and116).4.0TESTPROCEDURE FORLIFT-OFF4.1InitialConditions 1.Plantmaybeinanyphaseofoperation. |
| | 2.Pressuregaugehasbeencalibrated. |
| | 3.Hydraulic ramareahasbeencalibrated. |
| | 4.Hydraulic pumpandramarefunctional andreadyforoperation. |
| | 5.Loadcellsandstressing rodhavebeencalibrated. |
| | 6.Alltendonstobestressedhavebeeninspected forbrokenwiresandcorrosion. |
| | 7.Containment structure hasbeeninspected forcracks,spalling, etc.4.2Precautions 1.ObserveallRGBsafetyrulesandregulations. |
| | 2.Donotexceed6560psigaugepressureforjackandtendons.3.Wheneverhydraulic pumpisoperating, thereservoir ventvalvemustbeopen.4.Donotextendrammorethan8inches. |
| | 4.3GeneralInstructions 1.Fillinline1-4onthedatasheet(SeeAppendixI)andrecordcommentsfromthevisualinspection online5.2.Moveassembled hydraulic jacktopositionforcouplingtotheanchorheadandplacethepumpinaconvenient locationforoperation. |
| | a.Carefully threadstressing adaptorontotendonanchorhead.Note:Leaveaminimumofonethreadandmaximumofthreethreadsontendonanchorexposedbelowtheloweredgeofthestressing adaptor.b.Placejackassembly, ontendonbaseplate.c.Centerjackchaircarefully overtendonheadandthreadstressing rodintostressing adaptor.d.Centercompression shimsandtightenjackrodnutattop(ram)endofjackbeingcarefulnottodamagestraingagedareaandtheelectrical connector ontopofthe,jackrod.3.Maketheappropriate straingageconnections andcheckformalfunctions. |
| | 4.Beforeattaching hosestojackforthefirsttendon,checkpumpandhosesbyperforming thefollowing: |
| | a.Setvalvestopumpposition. |
| | b.Startpumpatthesametimedepresstheballvalve. |
| | c.Pumpslowlytofillhosewithoiluntilitcomesoutofthehosefreeofbubbles.d.Releaseballvalveandstartpumpingagain.Continuepumping;hosewillbecomestiff;gaugepressurewillriserapidlyandthenholdconstant. |
| | 5.Reducepressureandconnecthosestojack.6.Recordallinitialreadingsintheappropriate columnsonthedatasheet.7.Startpumpandincreasepressureto2,000psi.a.Recordstressing rodreadingincolumn3aondatasheet.b.Recordload'ellreadingincolumn4aonthedatasheetiftendonhasloadcell.c.Recordrampositionininchesincolumn5ondatasheet.d.Calculate andrecordforcevaluesforthestressing rod,pressuregaugeandloadcell.8.Increasepressureupto4,000psiandhold.a.Inspectforleakageofhydraulic fluidandnoteifleakageisexcessive. |
| | b.Recordstressing rodandloadcell(iftendonhasloadcell)-readings intheappropriate columnsonthedatasheet.c.Calculate andrecordforceforthestressing rod,pressuregaugeandloadcell. |
| | 9.Increasepressureuntila0.035(1/32)inchthickfeelershimcanbeinsertedintotheshimstackattwoequallyspacedpositions aroundtheshimstack.10.Reducerampressure1000psioruntilthefeelershimscannotberemoved.Increasepressureuntilbothfeelershimscanberemoved.Noteinthecommentsectionifthereisalargedifference intheloadatwhicheachfeelershimcanberemoved.Thisisdefinedasliftoff.a.Recordthepressuregaugereadingonthedatasheetincolumn2a.b.Recordthestressing rodreadingonthedatasheetincolumn3a.c.Recordtheloadcellreadingforloadcelltendonsincolumn4a.d.Recordtherampositionincolumn5ofthedatasheet.e.Calculate andrecordforcevalues.11.Stresstendons13and133anadditional 6%overrecordedliftoffpressure. |
| | a.Recordcomputed6/overstress pressureondatasheetincolumn2a.b.Increasepressuretocomputed6/overstressing pressureandrecordstressing rodreading,loadcellreadingandrampositiononthedatasheet.c.Placetwo.035(1/32)inchthickfeelershimsintheshimpackandreducerampressuretoapproximately 2900psi. |
| | l' d.Slowlyincreasepressureuntilthefeelershimscanbewithdrawn fromshimstack.Thisisdefinedasliftoff.Recordloadcell,pressuregauge,straingageandrampositionondatasheet.e.Calculate andrecordforcevaluesondatasheet.12..Decrease pressuretoapproximately 4,000psi.a.Recordstressing rodreading,loadcellandrampositiononthedatasheet.b.Calculate andrecordforcevaluesondatasheet.13.Decreasepressuretoapproximately 2,000psi.a.Recordstressing rodreading,load'cell readingandrampositiononthedatasheet.b.Calculate andrecordforcevaluesonthedatasheet.14.Decreasepressureuntilallloadisremovedfromjackrod.a.Recordstressing rodreading,loadcellreadingandrampositiononthedatasheet.15.Removejackassemblyfromtendon.a.Disconnect straingageequipment. |
| | b.Unthreadstressing rodfromcoupler.c.Removejackchairandstressing rodassembly. |
| | d.Removeadapterfromtendonhead. |
| | 16.Recordanycommentsconcerning liftoffonthedatasheet.17.Movetonexttendon.5.0DATACOLLECTION PROCEDURES 5.1TestData-Recordalldataasrequiredin4.0,TestProcedure forLiftoff5.2Datasheet-Theproposeddatasheetispresented inAppendixI.5.3Stripchartrecordings offorcefromloadcelltendonswillbeginwhenthejackassemblyismovedfromthattendonandcontinuefor500hours.6.0TENDONSURVEILLANCE SEQUENCEThescheduleispresented inTable2.7.0ACCEPTANCE CRITERIAThemeasuredliftoff.forceswillbeevaluated inaccordance withthepresent"GinnaTechnical Specifications." |
| | Table1TENDONSELECTION TendonNumberTendonMarkComments1317'3336515362768493111116133155ACGSHTAAABAAA2ERAALoadcellMaximumrecordeddataRetensioned at1000hoursRetensioned at1000hoursAveragellyearlossIoadcellLargellyearlossLarge11yearlossMaximumrecordeddataIoad'cellRetensioned at1000hoursRetensioned at1000hoursLoadcellSmall11yearloss 10Table2TENDONSURVEILLANCE SE(}UENCE SequenceNumberTendonNumberSecialInstructions 910ll12131413173336515362768493111116133155I,oadcelland6/overstressing LoadcellLoadcellIoadcelland6/overstressing. |
| | AppendixIDataSheet-June1981TendonSurveillance 12DATASHEET1-JUNE,1981TENDONSURVEILLANCE RG&EGINNANUCLEARPOWERSTATIONROCHESTER GASANDELECTRICCORPORATION 1)Date2)Hydraulic JackNo.3)Hydraulic PumpNo.4)LoadCellFactor--TendonNo.RamArea"=PressureGaugeNo.ShimStackThickness Stressing RodGageFactor~'~ |
| | 5)TendonInspection Comments1Condition 2PressureGaue3StressinRod4I.oadCell5RamPosition6CommentsInitialIncreasing Increading Liftoffa(bPressureForce"(si)(lbs)20004000aStrain(min/in)bForce---(lbs)bStrainForce"""(min/in)(lbs)inchesLiftoff+6g(Tendons13&133)LiftoffDecreasing Decreasing Decreasin 400020000 13DATASHEET1(Cont'd)Notes:(-)Ramareatobeusedtocalculate ramforceincolumn2b:Force=RamAreaxPressureLoadCellFactortobeusedtocalculate forceincolumn4b:Force=LoadCellFactorx(Strain'Reading-InitialStrainReading)Stressing RodGageFactortobeusedtocalculate forceinrodincolumn3b:Force=Stressing RodGageFactorx(Strain-InitialStrainReading)}} |
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Revised Ginna Station Emergency Operating Procedures. with 990125 Ltr
ML17265A5151999-01-14014 January 1999
Revised Emergency Operating Procedures,Including Rev 14 to AP-SW.1,rev 3 to ATT-5.2,rev 5 to ATT-8.0,rev 1 to ATT-14.6, Rev 17 to E-1,rev 16 to ECA-1.1,rev 26 to ES-1.3,rev 4 to FR-Z.2 & Index
ML17265A5081999-01-0808 January 1999
Rev 7 to Technical Requirements Manual, for Ginna Station
ML17265A4961998-12-18018 December 1998
Rev 6 to Technical Requirements Manual.
ML20198C0581998-12-14014 December 1998
Rev 5 to FR-Z.1, Response to High Containment Pressure
ML20198C0361998-12-14014 December 1998
Rev 11 to ECA-0.2, Loss of All AC Power Recovery with SI Required
ML20198C0521998-12-14014 December 1998
Rev 13 to FR-S.1, Response to Reactor Restart/Atws
ML20198C0411998-12-14014 December 1998
Rev 16 to FR-C.1, Response to Inadequate Core Cooling
ML20198C0121998-12-14014 December 1998
Rev 10 to AP-RCS.2, Loss of Reactor Coolant Flow
ML20155G0301998-10-30030 October 1998
Rev 13 to EOP AP-CCW.1, Leakage Into Component Cooling Loop
ML17265A4091998-08-24024 August 1998
Rev 13 to AP-SW.1, Svc Water Leak. W/980824 Ltr
ML17265A3721998-07-16016 July 1998
Rev 14 to EOP AP-CW.1, Loss of Circ Water Pump. W/980716 Ltr
ML17265A2861998-05-0606 May 1998
Rev 19 to EOP ECA-3.2, SGTR W/Loss of Reactor Coolant Saturated Recovery Desired & Updated ECA Index.W/980506 Ltr
ML17265A1821998-02-20020 February 1998
Rev 1 to EWR 5111, MOV Qualification Program Plan, Calculation Assumption Verification Criteria.
ML17265A1491997-12-31031 December 1997
Rev 1 to Inservice Testing Program.
ML17264B0731997-10-14014 October 1997
Rev 4 to Technical Requirements Manual (TRM) for Ginna Station.
ML17265A1541997-09-16016 September 1997
Rev 1 to DA EE-92-089-21, Design Analysis Ginna Station Instrument Loop Performance Evaluation & Setpoint Verification.
ML17264A9751997-08-0505 August 1997
Rev 14 to AP-ELEC.1, Loss of 12A & 12B Busses.
ML17264A9771997-08-0505 August 1997
Rev 11 to AP-RCP.1, RCP Seal Malfunction.
ML17264A9791997-08-0505 August 1997
Rev 7 to AP-RCS.3, High Reactor Coolant Activity.
ML17264A9781997-08-0505 August 1997
Rev 12 to AP-RCS.1, Reactor Coolant Leak.
ML17264A9851997-08-0404 August 1997
Rev 2 to Summary Description of Compliance w/10CFR73 Amend Protection Against Malevolent Use of Vehicles at Nuclear Power Plants.
ML17264A9391997-07-0707 July 1997
Rev 3 to Technical Requirements Manual for Ginna Station, Inserting New Tabs Accordingly Per Previous Transmittal for Rev
ML17264A9341997-07-0101 July 1997
to Technical Requirements Manual (TRM) & inter-office Correspondence Dtd 970624
ML17264A9461997-06-20020 June 1997
to Inservice Insp (ISI) Program.
ML17311A0471997-05-22022 May 1997
Revised Eops,Including Procedures Index,Rev 5 to ATT-15.0, Rev 3 to ATT-15.2,rev 3 to AP-ELEC.3,rev 13 to ECA-0.1 & Rev 9 to ECA-0.2.W/970522 Ltr
ML20140B8291997-03-24024 March 1997
Rev 3 to EOP ATT-12.0, Attachment N2 Porvs
ML17264A8221997-02-0606 February 1997
Rev 15 to FR-P.1, Response to Imminent Pressurized Thermal Shock Condition.
ML17264A8201997-02-0606 February 1997
Rev 7 to AP-RCC.2, Rcc/Rpi Malfunction.
ML17264A8081997-01-23023 January 1997
Revised Emergency Operating Procedures,Including Rev 14 to E-1,Rev 19 to E-3,Rev 14 to ECA-2.1,Rev ECA-3.3,Rev 20 to ES-1.3,Rev 13 to FR-C.1,Rev 12 to FR-C.2 & Rev 14 to FR-P.1
ML20133N3351997-01-10010 January 1997
Rev 7 to FR-C.3, Response to Saturated Core Cooling
ML17264A8881996-10-10010 October 1996
Rev 9 to ODCM for Ginna Station.
ML20128N0681996-10-0303 October 1996
Revised Emergency Operating Procedures,Including Rev 5 to Att-10.0, Attachment Faulted S/G & Rev 6 to Att-16.0, Attachment Ruptured S/G
ML17264A5311996-05-31031 May 1996
Revised Emergency Operating Procedures,Including Rev 10 to AP-RCP.1,Rev 12 to ECA-0.1,Rev 12 to ECA-2.1,Rev 3 to FR-H.2,Rev 3 to FR-H.4,Rev 7 to FR-I.1,Rev 12 to FR-P.1,Rev 10 to FR-S-1 & Rev 6 to FR-S.2
ML17264A5161996-05-22022 May 1996
Rev 2 to Technical Requirements Manual (TRM)
ML17264A4581996-04-0808 April 1996
Rev 7 to ODCM for Ginna Station.
ML17264A4371996-04-0101 April 1996
Rev 1 to Technical Requirements Manual (TRM)
ML17264A4391996-04-0101 April 1996
Rev 1 to Updated Technical Requirements Manual (TRM)
ML17264A4191996-02-24024 February 1996
Rev 0 to Technical Requirements Manual (Trm).
ML17264A6901996-02-23023 February 1996
Rev 0 to Inservice Testing Program.
1999-05-12
[Table view] |
Text
June1981TendonSurveillance ProgramRobertE.GinnaNuclearPowerStationApril27,1981 1JUNE1981SURVEILLANCE PROGRAM
1.0INTRODUCTION
TheJune1981tendonsurveillance programispresented indetail.Theprogramincludestheliftoffoffourteen(14)tendonsincluding thefour(4)tendonswithloadcells.Thedatacollection systemrequiredwillnotonlyconfirmtheliftoffdata,butitwillalsoobtaindataneededtocontinuetheinvestigation intothelargerthanpredicted tendonlosses.Theinspection andselection processdiscussed intheProposedRevision3toUSNRCRegulatory Guide1.35arefollowed.
Themeasuredforceforeachtendonwillbeevaluated withrespecttoitspredicted lowerlimitforcediscussed inthisguide.Thesepredicted lowerlimitforcesareobtainedusingthelosscalculation methodology described intheProposedUSNRCRegulatory Guide1.35Positionl.2.0OBJECTIVES, TheJune,1981surveillance programisrequiredtoverifythatthetendonforcesarewithinthetechnical specifications andtoprovidefurtherinformation astowhytendonshaveexperienced prestress lossesinexcessoftheirpredicted values.Thissurveillance programasoutlinedhereinhasfourobjectives:
1~Tomeasurelift-offforcesinselectedtendons.2.Tocomparelift-offforceswiththosepredicted, usingeithertheexistingrelaxation dataand/orretensioned wiredatafromthetestingcurrently underwayatLehighUniversity.
3.Tocomparethetwoforcemeasuring systems:a.Straingagedstressing rod.
1W b.Pressuregaugeandeffective ramarea.4.Totestthe6%overstress effect.Thefollowing surveillance programisintendedforuseonlyinJune'1981.Itisexpectedthatthedetaildatagathering proposedwillnotbenecessary onsubsequent surveillances.
3.0 TENDONSELECTION
3.1Thetendonselection processwill:1.Verifythattendonforcelosseshavestabilized.
.2.Surveyenoughtendonstoextendpresentdatabase.3.Includeallfourtendonswithloadcells.4.Includetendonsretensioned at1000hoursafterinitialstressing.
5.Includetendonsfromeachtendonmarkcategory.
3.2Table1containsthecompletelistofselectedtendons.3~3Toverifythatthetendonforcelosshasstabilized,-tendons 62and76areselectedbecausetheyexperienced largelossesduringthefirsteleven(ll)years.Tendon51isselectedasanaveragelosstendonand155asaminimallosstendon.3.4Toextendthedatabase,tendons17and84areselectedbecausetheyeachhavefour(4)recordeddatapoints.3.5Loadcellsarepresentundertendons13,53,93,and133,therefore, theseareselectedforsurveillance.
Tendons133and13willbeusedtoevaluatethe6/overstress effect.
kI' 3.6Toincludetendonsretensioned at1000hours,fourareselected; twosurveyedpreviously (36and111)andtwonotsurveyed(33and116).4.0TESTPROCEDURE FORLIFT-OFF4.1InitialConditions 1.Plantmaybeinanyphaseofoperation.
2.Pressuregaugehasbeencalibrated.
3.Hydraulic ramareahasbeencalibrated.
4.Hydraulic pumpandramarefunctional andreadyforoperation.
5.Loadcellsandstressing rodhavebeencalibrated.
6.Alltendonstobestressedhavebeeninspected forbrokenwiresandcorrosion.
7.Containment structure hasbeeninspected forcracks,spalling, etc.4.2Precautions 1.ObserveallRGBsafetyrulesandregulations.
2.Donotexceed6560psigaugepressureforjackandtendons.3.Wheneverhydraulic pumpisoperating, thereservoir ventvalvemustbeopen.4.Donotextendrammorethan8inches.
4.3GeneralInstructions 1.Fillinline1-4onthedatasheet(SeeAppendixI)andrecordcommentsfromthevisualinspection online5.2.Moveassembled hydraulic jacktopositionforcouplingtotheanchorheadandplacethepumpinaconvenient locationforoperation.
a.Carefully threadstressing adaptorontotendonanchorhead.Note:Leaveaminimumofonethreadandmaximumofthreethreadsontendonanchorexposedbelowtheloweredgeofthestressing adaptor.b.Placejackassembly, ontendonbaseplate.c.Centerjackchaircarefully overtendonheadandthreadstressing rodintostressing adaptor.d.Centercompression shimsandtightenjackrodnutattop(ram)endofjackbeingcarefulnottodamagestraingagedareaandtheelectrical connector ontopofthe,jackrod.3.Maketheappropriate straingageconnections andcheckformalfunctions.
4.Beforeattaching hosestojackforthefirsttendon,checkpumpandhosesbyperforming thefollowing:
a.Setvalvestopumpposition.
b.Startpumpatthesametimedepresstheballvalve.
c.Pumpslowlytofillhosewithoiluntilitcomesoutofthehosefreeofbubbles.d.Releaseballvalveandstartpumpingagain.Continuepumping;hosewillbecomestiff;gaugepressurewillriserapidlyandthenholdconstant.
5.Reducepressureandconnecthosestojack.6.Recordallinitialreadingsintheappropriate columnsonthedatasheet.7.Startpumpandincreasepressureto2,000psi.a.Recordstressing rodreadingincolumn3aondatasheet.b.Recordload'ellreadingincolumn4aonthedatasheetiftendonhasloadcell.c.Recordrampositionininchesincolumn5ondatasheet.d.Calculate andrecordforcevaluesforthestressing rod,pressuregaugeandloadcell.8.Increasepressureupto4,000psiandhold.a.Inspectforleakageofhydraulic fluidandnoteifleakageisexcessive.
b.Recordstressing rodandloadcell(iftendonhasloadcell)-readings intheappropriate columnsonthedatasheet.c.Calculate andrecordforceforthestressing rod,pressuregaugeandloadcell.
9.Increasepressureuntila0.035(1/32)inchthickfeelershimcanbeinsertedintotheshimstackattwoequallyspacedpositions aroundtheshimstack.10.Reducerampressure1000psioruntilthefeelershimscannotberemoved.Increasepressureuntilbothfeelershimscanberemoved.Noteinthecommentsectionifthereisalargedifference intheloadatwhicheachfeelershimcanberemoved.Thisisdefinedasliftoff.a.Recordthepressuregaugereadingonthedatasheetincolumn2a.b.Recordthestressing rodreadingonthedatasheetincolumn3a.c.Recordtheloadcellreadingforloadcelltendonsincolumn4a.d.Recordtherampositionincolumn5ofthedatasheet.e.Calculate andrecordforcevalues.11.Stresstendons13and133anadditional 6%overrecordedliftoffpressure.
a.Recordcomputed6/overstress pressureondatasheetincolumn2a.b.Increasepressuretocomputed6/overstressing pressureandrecordstressing rodreading,loadcellreadingandrampositiononthedatasheet.c.Placetwo.035(1/32)inchthickfeelershimsintheshimpackandreducerampressuretoapproximately 2900psi.
l' d.Slowlyincreasepressureuntilthefeelershimscanbewithdrawn fromshimstack.Thisisdefinedasliftoff.Recordloadcell,pressuregauge,straingageandrampositionondatasheet.e.Calculate andrecordforcevaluesondatasheet.12..Decrease pressuretoapproximately 4,000psi.a.Recordstressing rodreading,loadcellandrampositiononthedatasheet.b.Calculate andrecordforcevaluesondatasheet.13.Decreasepressuretoapproximately 2,000psi.a.Recordstressing rodreading,load'cell readingandrampositiononthedatasheet.b.Calculate andrecordforcevaluesonthedatasheet.14.Decreasepressureuntilallloadisremovedfromjackrod.a.Recordstressing rodreading,loadcellreadingandrampositiononthedatasheet.15.Removejackassemblyfromtendon.a.Disconnect straingageequipment.
b.Unthreadstressing rodfromcoupler.c.Removejackchairandstressing rodassembly.
d.Removeadapterfromtendonhead.
16.Recordanycommentsconcerning liftoffonthedatasheet.17.Movetonexttendon.5.0DATACOLLECTION PROCEDURES 5.1TestData-Recordalldataasrequiredin4.0,TestProcedure forLiftoff5.2Datasheet-Theproposeddatasheetispresented inAppendixI.5.3Stripchartrecordings offorcefromloadcelltendonswillbeginwhenthejackassemblyismovedfromthattendonandcontinuefor500hours.6.0TENDONSURVEILLANCE SEQUENCEThescheduleispresented inTable2.7.0ACCEPTANCE CRITERIAThemeasuredliftoff.forceswillbeevaluated inaccordance withthepresent"GinnaTechnical Specifications."
Table1TENDONSELECTION TendonNumberTendonMarkComments1317'3336515362768493111116133155ACGSHTAAABAAA2ERAALoadcellMaximumrecordeddataRetensioned at1000hoursRetensioned at1000hoursAveragellyearlossIoadcellLargellyearlossLarge11yearlossMaximumrecordeddataIoad'cellRetensioned at1000hoursRetensioned at1000hoursLoadcellSmall11yearloss 10Table2TENDONSURVEILLANCE SE(}UENCE SequenceNumberTendonNumberSecialInstructions 910ll12131413173336515362768493111116133155I,oadcelland6/overstressing LoadcellLoadcellIoadcelland6/overstressing.
AppendixIDataSheet-June1981TendonSurveillance 12DATASHEET1-JUNE,1981TENDONSURVEILLANCE RG&EGINNANUCLEARPOWERSTATIONROCHESTER GASANDELECTRICCORPORATION 1)Date2)Hydraulic JackNo.3)Hydraulic PumpNo.4)LoadCellFactor--TendonNo.RamArea"=PressureGaugeNo.ShimStackThickness Stressing RodGageFactor~'~
5)TendonInspection Comments1Condition 2PressureGaue3StressinRod4I.oadCell5RamPosition6CommentsInitialIncreasing Increading Liftoffa(bPressureForce"(si)(lbs)20004000aStrain(min/in)bForce---(lbs)bStrainForce"""(min/in)(lbs)inchesLiftoff+6g(Tendons13&133)LiftoffDecreasing Decreasing Decreasin 400020000 13DATASHEET1(Cont'd)Notes:(-)Ramareatobeusedtocalculate ramforceincolumn2b:Force=RamAreaxPressureLoadCellFactortobeusedtocalculate forceincolumn4b:Force=LoadCellFactorx(Strain'Reading-InitialStrainReading)Stressing RodGageFactortobeusedtocalculate forceinrodincolumn3b:Force=Stressing RodGageFactorx(Strain-InitialStrainReading)
