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{{#Wiki_filter:~~D",stribution:NRCPDR1.R.DeYoungI.PeltiercalPDR(8)D.VassalloE.HyltonocketFile(8)F.WilliamsR.MattsonLWR-1FileJ.StolzD.RossR.BoydGeneralElectricCompanyATTfi:Dr.G.G.Sherwood,ManagerSafetyandSecurity175CurtnerAvenueSanJose, | {{#Wiki_filter:~~D",stribution: | ||
NRCPDR1.R.DeYoungI.PeltiercalPDR(8)D.VassalloE.HyltonocketFile(8)F.WilliamsR.MattsonLWR-1FileJ.StolzD.RossR.BoydGeneralElectricCompanyATTfi:Dr.G.G.Sherwood, ManagerSafetyandSecurity175CurtnerAvenueSanJose,California 95114FEB33J.KnightR.Tedesco'H.DentonV.MooreR.VollmerM.ErnstW.GammillELDbcc:J.Buchanan, NSICT.Abernathy, TICACRS-(16) | |||
==SUBJECT:== | ==SUBJECT:== | ||
MARKIICONTAINNENTS- | MARKIICONTAINNENTS | ||
-REQUESTFORADDITIONAL INFORMATION Gentlemen: | |||
Asaresultofourongoingreviewofyourreport,NEDft-20988, "CaorsoReliefValveLoadsTests-TestPlan,"wehavethefollowing commentsandsignificant areasofconoern.1.EffectsofleakingSRVonquencherloadshasbeenidentified asanareaofconcern.TheQaorsotestplan,however,hasnotaddressed thisconcern.ItisourpositionthattestsonleakingSRVshouldbeconducted andthatatestmatrixaddressing thisconcernshouldbeprovidedforourreview.2.Thetestmatrixshowsthattheparameters ofinterestwillberepeatedonlyonce.Webelievethatthisisnotsufficient todemonstrate therepeatability oftestdata.We,thevefore, suggestthatadditional testsbeconducted todemonstrate repeatability. | |||
Etshouldbenotedthatourreviewtodatehasnotconsidered fluid/structure interattion effects.Enclosedisarequestforadditional information. | |||
Webelieveyouwereadvisedofthisneededinformation inJuly1977.Sincerely, OdghmISigningalohaP.QahJohnF.Stolz,ChiefLightHaterReactorsBranchNo.1DivisionofProjectfianagement | |||
==Enclosure:== | ==Enclosure:== | ||
Asstatedcc:Seefollowing pagesOPPICe~0URNAMe&OATe~LWR-1,.I,Pelti,lb..2./..1.7./,78....,., | |||
JSRPgLl78,DS$........, | |||
..........,... | |||
CAngerso~avgas2/.~/8DSRTedco2/7,8,NRC,PORM918(9.76)NRCM02404UI0,OOVRRNMeNT PRINTINOOPPICes1070020024 i8883$4V<<~"l.y4yn->>-,j~Pff,$I,Iv''Ivv4<<nPas'V'll4I>>~VL<<14l>>istl'V~'nI~n~4yI~VInV4.4n*is~<<pn>>pp*~'"IVnVVII'sIl~tV<<~4I9*LN~'4p4nth,=-~I4I~"Ii'>>4I'IV44Is>>t~plI~-.*~P~Pl~'II4IP~if'y=,Vl NiagraMohawkPowerCorporation ATTN:fir.JeraldK.RhodeVicePresident Engineering 300ErieBoulavard WestSyracuseNewYork13202EugeneB.Thomas,Ji.LeBoeuf,Lamb,LeibyIIMacRae1757NStreet,N.W.Washington, D.C.20036AnthonyZ.Roisman,Esq.Roisman,Kessler8Cashdan1'02515thStreet,N.W.Washington, D.C.20036Mr.RichardGoldsmith SyracuseUniversity CollegeofLawE.I.WhiteHallCampusSyracuse, NeviYork13210'~K,DeBoer,DirectorTechnological Development ProgramsNewYorkStateEnergyOfficeSwanStreetBuildingCore1-2ndFloorEmpireStatePlazaAlbany,NewYork12223FEB231978 0A1 Washington PublicPowerSupplySystemATTN:Hr.Kneil0.StrandManagingDirector3000GeorgeWashington WayRichlandWashington 99352JosephB.Knotts,Jr.,Esq.Oebevoise | |||
&Liberman700.Shor'cham Building806Fifteenth Street,N.W.Washington, D.C.20005RichardQ.Quigley,Esq.Washington PublicPowerSupplySystemP.0.Box968Richland, Washington 99352FEB231978 | |||
Pennsylvania PowerandLightCompanyATTN:Hr.NormanW.CurtisVicePresident | |||
-Engineering andConstruction 2NorthNinthStreetAllentown, Pennsylvania 18101Hr.EarleH.HeadProjectManagerPennsylvania Power&LightCompany2NorthNinthStreetAl'lentown, Pennsylvania 18101GeraldCharnoff, Esq.Shaw,Pittman,Potts,Trowbridge | |||
&Madden1800HStreet,N.W.Washington, D.'.20036Hr.WilliamE.Barberich Licensing EngineerPennsylvania Power&LightCompany2NorthNinthStreetAllentown, Pennsylvania 18101Mr.RobertJ.Shovlin,Project,Manager'usquehanna Pennsylvania Power&LightCompany2NorthNinthStreetAllentown, Pennsylvania | |||
.18101HubertBarnes,Esq.Pennsylvania Power&LightCompany901HamiltonStreetAllentown, Pennsylvania 18101EdwardH.Nagel,EsquireGeneralCounselandSecretary Pennsylvania Power&LightCompany2NorthNinthStreetAllentown, Pennsylvania 18101 | |||
NorthernIndianaPublicServiceCompanyATTN:Mr.H.P.Lyle, | tCommonwealth EdisonCompanyATTN:,Nr.ByronLee,Jr.VicePresident P.0.Box767Chicago,Illinois60690RichardE.Powell,Esq.Isham,.Lincoln 8BealeOneFirstNationalPlaza2400Chicago,Illinois60670FEB23$978 | ||
NorthernIndianaPublicServiceCompanyATTN:Mr.H.P.Lyle,VicePresident ElectricProduction 5Engineering 5265HolmanAve.'ammond,Indiana46325MeredithHemphill, Jr.Esq.Assistant GeneralCounselBethlehem SteelCorporation MartinTowerBethlehem, Pennsylvania 18016WilliamH.Eichhorn, Esq.Eichhorn, | |||
/1orrow8Eichhorn5243HohmanAvenueHammond,Indiana46320aEdwardW.Osann,Jr.,Esq.Wolfe,Hubbard,-Leydid,Voit&Osann,Ltd.Suite4600OneIBMPlazaChicago,Illinois60611MarvinN,Berm,Esq.SpecialAssistant AttorneyGeneral134NorthLaSalleStreetSuite2222Chicago,Illinois60602RobertJ.Vollen,Esq.109North | |||
==DearbornStreetChicago,== | ==DearbornStreetChicago,== | ||
Illinois60602FE8231978 | Illinois60602FE8231978 | ||
'TheCin' | 'TheCin'cinnati Gas&ElectricCompanyATTN:Mr.FarlA.BorgmannVicePresident | ||
-Engineering P.0.Box960Cincinnati, Ohio45201Mr.WilliamJ.MoranGeneralCounselTheCincinnati Gas&ElectricCo.P.0.Box960Cincinnati, Ohio45201Mr.WilliamG.Porter,Jr.Porter,Stanley,Arthur,&Platt37-WestBroadStreetColumbus, Ohio43215.Mr.Robertfli11en,ChairmanoftheBoard&ChiefExecutive OfficerTheDaytonPower&LightCompanyPE0.Box1034Dayton,Ohio'5401fir.J.RobertNewlin,CounselTheDaytonPower&LightCompanyP.0.Box1034Dayton,Ohio45401Mr.StephenSchumacher MianiValleyPowerProjectP.0.Box252Dayton,.Ohio45401FEB231978DavidB.Fankhauser, PhD3569NineMileRoadCincinnati, Ohio45230ThomasA.Luebbers, Esq.Cincinnati CitySolicitor Room214-CityHallCincinnati, Ohio45202TroyB.Conner,Esq..Conner,Moore&Cober1747Pennsylvania Ave.N.W.Washington, D.C.20006Ms.AugustaPrice601Stanley'AvenueCincinnati, Ohio45226Mr.JamesD.FlynnManager,Licensing | |||
&Environmental AffairsTheCincinnati Gas&ElectricCompanyP.0.Box960Cincinnati, Ohio45201Mr.J.P.Fenstermaker SeniorVicePresident | |||
-Operations Columbus&-Southern OhioElectricCo.215NorthFrontStreetColumbus, Ohio43215 | |||
Philadelphi ElectricCompanyATTN;Mr.FdwardG.Bauer,Jr.VicePresident andGeneralCounsel2301MarketStreetPhiladelphia, Pensylva'nia 19101TroyB.Conner,Jr.Ewq.Conner,Moore&Corber1747'Pennsylvania Avenue,N.W.Washington, D..C.20006W.WilliamAnderson, Esq.DeputyAttorneyGeneralRoom512,MainCapitolBuildingHarrisburg, Pennsylvania 17120FrankR.Clokey,Esq.SpecialAssistant AttorneyGeneralRoom218,TowneHouseApartments P.0.Box2063Harrisburg, Pensylvania 17105Honorable LawrenceCoughlinHouseof.Representatives CongressoftheUnitedStatesWashington, D.C.20515RogerB.Reynolds, Jr.,Esq.324SwedeStreetNorristown, Pennsylvania 19401WillardC.Hetzel,Esq.312mainStreetEastGreenville, Pennsylvania 18041LawrenceSager,Esq.Sager8Sager'ssociates 45HighStreetPottstown, Pennsylvania 19464FEB231978EugeneJ.BradleyPhiladelphia ElectricCompanyAssociate GeneralCounsel2301MarketStreetPhiladelphia, Pennsylvania 19101JosephA.SmythAssistant CountySolicitor CountyofMontgomery Courthouse | |||
'Norristown, Pennsylvania 19404 | |||
LongIslandLightingCompanyATTN:-Mr.And>ewW. | LongIslandLightingCompanyATTN:-Mr.And>ewW.WoffordVicePresident 175EastOldCountryRoadHicksvilie,NewYork11801EdwardH.Barrett,Esq.GeneralCounselLongIslandLightingCompany250OldCountryRoadMineola,NewYork11501EdwardJ.Walsh.Esq.GeneralAttorneyLongIslandLightingCompany250OldCountryRoadMineola,NewYork11501Hr.ThomasBurkeProjectManagerShorehamNuclearPowerStationP.0.Box618WadingRiver,NewYork11792Director, Technical Development ProgramsStateofNewYorkEnergyOfficeAgencyBuilding2EmpireStatePlazqAlbany,NewYork12223HawardL.BlauBlauandCohn,P.C.380NorthBroadwayjericho,NeviYork11753IrvingLike,'Esq.Reilly,Like.andSchnieder 200,WestMainStreetBabylon,NewYork11702HUBTechnical Associates 366California AvenueSuite6PaloAlto,California 94306FEB231978lf~' | ||
FEB231978RequestforAdditional Information GeneralElectricCompanyTopicalReport:NEON-20988, Revision2TestPlan-December, 19761.EffectsofaleakingSRVonquencherloadshasbeenidentified asanareaofconcern.TheCaorsotestplan,however,doesnotaddressthisIconcern.ItisourpositionthattestsonaleakingSRVshouldbeconducted. | |||
I ~F88319784.Page4- | Therefore, atestplanconsidering aleakingSRVshouldbeprovided'forourreview.2.TheCaorsotestmatrixindicates thatmostoftheparameters ofinterestwillberepeatedonlyonce.Testsperfor'med eitherforramshead(squadCityandNonticello) orforquencher(NEDE-11314-08) exhibited agreatdegreeofdatascatter.Th'erefore, webelievethatthecurrentCaorsotestmatrixisinsufficient todetermine therepeatabi lityofthetestdata.Merecommend additional testsbeconducted forfirstactuation ofaSRVandsubsequent actuations ofthesameSRVtodemonstrate repeatability. | ||
J 4~w3FFR2819786. | Thenumberoftestsshouldresultintestdatawith~statistical'significance. | ||
3.Basedonourevaluation ofpreviousSRVtestdata,wefindthattheSRVdischarge timeanddurationbetweenfirstactuation andsubsequent actuation influence thequencherloadduetosubsequent actuation. | |||
Therefore, providethevalueandthebasisfortheselection ofthetimesfortheCaorsotests. | |||
I ~F88319784.Page4-6statesthatacompleteunderstanding ofthesubsequent actuation effectrequiresdataonpooltemperature inthevicinityofthequencher, pipetemperature andpressurefollowing valveclosure,flowrateofairthroughthevacuumbreakeranddynamicsofbackflowofwater.Weagreethattheairtemperature historyinsidethepipecouldbeimportant. | |||
However,insufficient information hasbeengiveninthetestplanregarding themeasurement ofairtemperature inthepipe.Clarify.whatmeasurements orcalculations wi11bemadeto'monitorthis.temperature. | |||
5.ThesensorfailureratewasfoundtobequitehighintheMonticello Planttestprogram.Sensorsofthe.samemanufacturer modelusedintheMonticello willalsobeusedintheCaorso..Inlightofthisexperience, we.believethatredundant instrumentation isneededincriticalareas.Forinstance, redundant sensorsshouldbeprovidedinthefollowing locations: | |||
a.ThevicinityofquencherAandtheplacebywhichcombinedloadsfrommultipleSRV'sactuation willbedetermined. | |||
'b.SRVlinebetweenelevation 51.612and45.770.Inaddition, levelprobesshouldbeaddedbetweenLlandL12. | |||
J 4~w3FFR2819786.Submerged structure loadshavebeenidentified asaprimary'esijn loadfortheMarkIIcontainment. | |||
Mebelievethattheana1ytical programindicated intheMarkIIownergroupmeetingwhichwasheldonFebruary16and17,1977,isinsufficient tosupportthedesignloadsforsubmerged structure withoutexperimental data.Therefore, werecommend thatadditional pressuresensorsshouldbeinstalled onsupportcolumnsanddowncomers tomeasurethedragloadduringSRYoperation. | |||
7.Providethelocations forpressuresensor'sNos.19,23,35,36and37. | |||
CAt}} | CAt}} | ||
Revision as of 23:21, 29 June 2018
| ML17037B908 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 02/23/1978 |
| From: | Stolz J F Office of Nuclear Reactor Regulation |
| To: | Sherwood G G General Electric Co |
| References | |
| NEDM-20988 | |
| Download: ML17037B908 (24) | |
Text
~~D",stribution:
NRCPDR1.R.DeYoungI.PeltiercalPDR(8)D.VassalloE.HyltonocketFile(8)F.WilliamsR.MattsonLWR-1FileJ.StolzD.RossR.BoydGeneralElectricCompanyATTfi:Dr.G.G.Sherwood, ManagerSafetyandSecurity175CurtnerAvenueSanJose,California 95114FEB33J.KnightR.Tedesco'H.DentonV.MooreR.VollmerM.ErnstW.GammillELDbcc:J.Buchanan, NSICT.Abernathy, TICACRS-(16)
SUBJECT:
MARKIICONTAINNENTS
-REQUESTFORADDITIONAL INFORMATION Gentlemen:
Asaresultofourongoingreviewofyourreport,NEDft-20988, "CaorsoReliefValveLoadsTests-TestPlan,"wehavethefollowing commentsandsignificant areasofconoern.1.EffectsofleakingSRVonquencherloadshasbeenidentified asanareaofconcern.TheQaorsotestplan,however,hasnotaddressed thisconcern.ItisourpositionthattestsonleakingSRVshouldbeconducted andthatatestmatrixaddressing thisconcernshouldbeprovidedforourreview.2.Thetestmatrixshowsthattheparameters ofinterestwillberepeatedonlyonce.Webelievethatthisisnotsufficient todemonstrate therepeatability oftestdata.We,thevefore, suggestthatadditional testsbeconducted todemonstrate repeatability.
Etshouldbenotedthatourreviewtodatehasnotconsidered fluid/structure interattion effects.Enclosedisarequestforadditional information.
Webelieveyouwereadvisedofthisneededinformation inJuly1977.Sincerely, OdghmISigningalohaP.QahJohnF.Stolz,ChiefLightHaterReactorsBranchNo.1DivisionofProjectfianagement
Enclosure:
Asstatedcc:Seefollowing pagesOPPICe~0URNAMe&OATe~LWR-1,.I,Pelti,lb..2./..1.7./,78....,.,
JSRPgLl78,DS$........,
..........,...
CAngerso~avgas2/.~/8DSRTedco2/7,8,NRC,PORM918(9.76)NRCM02404UI0,OOVRRNMeNT PRINTINOOPPICes1070020024 i8883$4V<<~"l.y4yn->>-,j~Pff,$I,IvIvv4<<nPas'V'll4I>>~VL<<14l>>istl'V~'nI~n~4yI~VInV4.4n*is~<<pn>>pp*~'"IVnVVII'sIl~tV<<~4I9*LN~'4p4nth,=-~I4I~"Ii'>>4I'IV44Is>>t~plI~-.*~P~Pl~'II4IP~if'y=,Vl NiagraMohawkPowerCorporation ATTN:fir.JeraldK.RhodeVicePresident Engineering 300ErieBoulavard WestSyracuseNewYork13202EugeneB.Thomas,Ji.LeBoeuf,Lamb,LeibyIIMacRae1757NStreet,N.W.Washington, D.C.20036AnthonyZ.Roisman,Esq.Roisman,Kessler8Cashdan1'02515thStreet,N.W.Washington, D.C.20036Mr.RichardGoldsmith SyracuseUniversity CollegeofLawE.I.WhiteHallCampusSyracuse, NeviYork13210'~K,DeBoer,DirectorTechnological Development ProgramsNewYorkStateEnergyOfficeSwanStreetBuildingCore1-2ndFloorEmpireStatePlazaAlbany,NewYork12223FEB231978 0A1 Washington PublicPowerSupplySystemATTN:Hr.Kneil0.StrandManagingDirector3000GeorgeWashington WayRichlandWashington 99352JosephB.Knotts,Jr.,Esq.Oebevoise
&Liberman700.Shor'cham Building806Fifteenth Street,N.W.Washington, D.C.20005RichardQ.Quigley,Esq.Washington PublicPowerSupplySystemP.0.Box968Richland, Washington 99352FEB231978
Pennsylvania PowerandLightCompanyATTN:Hr.NormanW.CurtisVicePresident
-Engineering andConstruction 2NorthNinthStreetAllentown, Pennsylvania 18101Hr.EarleH.HeadProjectManagerPennsylvania Power&LightCompany2NorthNinthStreetAl'lentown, Pennsylvania 18101GeraldCharnoff, Esq.Shaw,Pittman,Potts,Trowbridge
&Madden1800HStreet,N.W.Washington, D.'.20036Hr.WilliamE.Barberich Licensing EngineerPennsylvania Power&LightCompany2NorthNinthStreetAllentown, Pennsylvania 18101Mr.RobertJ.Shovlin,Project,Manager'usquehanna Pennsylvania Power&LightCompany2NorthNinthStreetAllentown, Pennsylvania
.18101HubertBarnes,Esq.Pennsylvania Power&LightCompany901HamiltonStreetAllentown, Pennsylvania 18101EdwardH.Nagel,EsquireGeneralCounselandSecretary Pennsylvania Power&LightCompany2NorthNinthStreetAllentown, Pennsylvania 18101
tCommonwealth EdisonCompanyATTN:,Nr.ByronLee,Jr.VicePresident P.0.Box767Chicago,Illinois60690RichardE.Powell,Esq.Isham,.Lincoln 8BealeOneFirstNationalPlaza2400Chicago,Illinois60670FEB23$978
NorthernIndianaPublicServiceCompanyATTN:Mr.H.P.Lyle,VicePresident ElectricProduction 5Engineering 5265HolmanAve.'ammond,Indiana46325MeredithHemphill, Jr.Esq.Assistant GeneralCounselBethlehem SteelCorporation MartinTowerBethlehem, Pennsylvania 18016WilliamH.Eichhorn, Esq.Eichhorn,
/1orrow8Eichhorn5243HohmanAvenueHammond,Indiana46320aEdwardW.Osann,Jr.,Esq.Wolfe,Hubbard,-Leydid,Voit&Osann,Ltd.Suite4600OneIBMPlazaChicago,Illinois60611MarvinN,Berm,Esq.SpecialAssistant AttorneyGeneral134NorthLaSalleStreetSuite2222Chicago,Illinois60602RobertJ.Vollen,Esq.109North
DearbornStreetChicago,
Illinois60602FE8231978
'TheCin'cinnati Gas&ElectricCompanyATTN:Mr.FarlA.BorgmannVicePresident
-Engineering P.0.Box960Cincinnati, Ohio45201Mr.WilliamJ.MoranGeneralCounselTheCincinnati Gas&ElectricCo.P.0.Box960Cincinnati, Ohio45201Mr.WilliamG.Porter,Jr.Porter,Stanley,Arthur,&Platt37-WestBroadStreetColumbus, Ohio43215.Mr.Robertfli11en,ChairmanoftheBoard&ChiefExecutive OfficerTheDaytonPower&LightCompanyPE0.Box1034Dayton,Ohio'5401fir.J.RobertNewlin,CounselTheDaytonPower&LightCompanyP.0.Box1034Dayton,Ohio45401Mr.StephenSchumacher MianiValleyPowerProjectP.0.Box252Dayton,.Ohio45401FEB231978DavidB.Fankhauser, PhD3569NineMileRoadCincinnati, Ohio45230ThomasA.Luebbers, Esq.Cincinnati CitySolicitor Room214-CityHallCincinnati, Ohio45202TroyB.Conner,Esq..Conner,Moore&Cober1747Pennsylvania Ave.N.W.Washington, D.C.20006Ms.AugustaPrice601Stanley'AvenueCincinnati, Ohio45226Mr.JamesD.FlynnManager,Licensing
&Environmental AffairsTheCincinnati Gas&ElectricCompanyP.0.Box960Cincinnati, Ohio45201Mr.J.P.Fenstermaker SeniorVicePresident
-Operations Columbus&-Southern OhioElectricCo.215NorthFrontStreetColumbus, Ohio43215
Philadelphi ElectricCompanyATTN;Mr.FdwardG.Bauer,Jr.VicePresident andGeneralCounsel2301MarketStreetPhiladelphia, Pensylva'nia 19101TroyB.Conner,Jr.Ewq.Conner,Moore&Corber1747'Pennsylvania Avenue,N.W.Washington, D..C.20006W.WilliamAnderson, Esq.DeputyAttorneyGeneralRoom512,MainCapitolBuildingHarrisburg, Pennsylvania 17120FrankR.Clokey,Esq.SpecialAssistant AttorneyGeneralRoom218,TowneHouseApartments P.0.Box2063Harrisburg, Pensylvania 17105Honorable LawrenceCoughlinHouseof.Representatives CongressoftheUnitedStatesWashington, D.C.20515RogerB.Reynolds, Jr.,Esq.324SwedeStreetNorristown, Pennsylvania 19401WillardC.Hetzel,Esq.312mainStreetEastGreenville, Pennsylvania 18041LawrenceSager,Esq.Sager8Sager'ssociates 45HighStreetPottstown, Pennsylvania 19464FEB231978EugeneJ.BradleyPhiladelphia ElectricCompanyAssociate GeneralCounsel2301MarketStreetPhiladelphia, Pennsylvania 19101JosephA.SmythAssistant CountySolicitor CountyofMontgomery Courthouse
'Norristown, Pennsylvania 19404
LongIslandLightingCompanyATTN:-Mr.And>ewW.WoffordVicePresident 175EastOldCountryRoadHicksvilie,NewYork11801EdwardH.Barrett,Esq.GeneralCounselLongIslandLightingCompany250OldCountryRoadMineola,NewYork11501EdwardJ.Walsh.Esq.GeneralAttorneyLongIslandLightingCompany250OldCountryRoadMineola,NewYork11501Hr.ThomasBurkeProjectManagerShorehamNuclearPowerStationP.0.Box618WadingRiver,NewYork11792Director, Technical Development ProgramsStateofNewYorkEnergyOfficeAgencyBuilding2EmpireStatePlazqAlbany,NewYork12223HawardL.BlauBlauandCohn,P.C.380NorthBroadwayjericho,NeviYork11753IrvingLike,'Esq.Reilly,Like.andSchnieder 200,WestMainStreetBabylon,NewYork11702HUBTechnical Associates 366California AvenueSuite6PaloAlto,California 94306FEB231978lf~'
FEB231978RequestforAdditional Information GeneralElectricCompanyTopicalReport:NEON-20988, Revision2TestPlan-December, 19761.EffectsofaleakingSRVonquencherloadshasbeenidentified asanareaofconcern.TheCaorsotestplan,however,doesnotaddressthisIconcern.ItisourpositionthattestsonaleakingSRVshouldbeconducted.
Therefore, atestplanconsidering aleakingSRVshouldbeprovided'forourreview.2.TheCaorsotestmatrixindicates thatmostoftheparameters ofinterestwillberepeatedonlyonce.Testsperfor'med eitherforramshead(squadCityandNonticello) orforquencher(NEDE-11314-08) exhibited agreatdegreeofdatascatter.Th'erefore, webelievethatthecurrentCaorsotestmatrixisinsufficient todetermine therepeatabi lityofthetestdata.Merecommend additional testsbeconducted forfirstactuation ofaSRVandsubsequent actuations ofthesameSRVtodemonstrate repeatability.
Thenumberoftestsshouldresultintestdatawith~statistical'significance.
3.Basedonourevaluation ofpreviousSRVtestdata,wefindthattheSRVdischarge timeanddurationbetweenfirstactuation andsubsequent actuation influence thequencherloadduetosubsequent actuation.
Therefore, providethevalueandthebasisfortheselection ofthetimesfortheCaorsotests.
I ~F88319784.Page4-6statesthatacompleteunderstanding ofthesubsequent actuation effectrequiresdataonpooltemperature inthevicinityofthequencher, pipetemperature andpressurefollowing valveclosure,flowrateofairthroughthevacuumbreakeranddynamicsofbackflowofwater.Weagreethattheairtemperature historyinsidethepipecouldbeimportant.
However,insufficient information hasbeengiveninthetestplanregarding themeasurement ofairtemperature inthepipe.Clarify.whatmeasurements orcalculations wi11bemadeto'monitorthis.temperature.
5.ThesensorfailureratewasfoundtobequitehighintheMonticello Planttestprogram.Sensorsofthe.samemanufacturer modelusedintheMonticello willalsobeusedintheCaorso..Inlightofthisexperience, we.believethatredundant instrumentation isneededincriticalareas.Forinstance, redundant sensorsshouldbeprovidedinthefollowing locations:
a.ThevicinityofquencherAandtheplacebywhichcombinedloadsfrommultipleSRV'sactuation willbedetermined.
'b.SRVlinebetweenelevation 51.612and45.770.Inaddition, levelprobesshouldbeaddedbetweenLlandL12.
J 4~w3FFR2819786.Submerged structure loadshavebeenidentified asaprimary'esijn loadfortheMarkIIcontainment.
Mebelievethattheana1ytical programindicated intheMarkIIownergroupmeetingwhichwasheldonFebruary16and17,1977,isinsufficient tosupportthedesignloadsforsubmerged structure withoutexperimental data.Therefore, werecommend thatadditional pressuresensorsshouldbeinstalled onsupportcolumnsanddowncomers tomeasurethedragloadduringSRYoperation.
7.Providethelocations forpressuresensor'sNos.19,23,35,36and37.
CAt