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{{#Wiki_filter:.,ALGOLATO)1Nf-ORvPTInlyOISTRIHUTI()N~,1EH(RIOS)ACCESSIP'r~rVR:f)101050333Obc."'TE:RO/12/23hOTARIZEOFACTL;5rr--"usouehznnaStea~ElectricStationsUnitar.0-3.")1usouetarnaStea~FlectricStationsUritAl.r[HJRAf'FIL14T(OHURTISi'f."'.rennsylvaniapower4LightCo~RCCIP.iAvh'cFCf)'Tt.rvl'FFILIATIO'RE'ER,o,tr.rea>ontir)hiiaaelf.hia<()fficeoftnefvnPennsylvapennsylval)irectnrDOCfcFT050r)038705Q00358r/,SVOJC1:Forwar~isrrvisiontofinalcIeficiencvrectreinproos1oc:incofoioi>>o)r.tt)tuirci1inesforGVinstrur.entatL')nes'~))1ei)stalledw".ichslooeore-f)alfinchoeion~rf:~crsr~"..:irrn~csnc:ntr~srnrrss'.~csr~r~:crsLs;.cc3srr.:DrirL'*;ConstructionOeticiencyReoort(aoCFr:50.55')r'~()TEi:Sen~I>F'coriesrSAR8a11agents~Senr'SF.3coriesrS~~)talla<em~-~05000387>>50nt)3F.~ACTIG)':rFCIPIE"1IwC!)r)F./,"uAvcA/dLICF')5'"l:04f,-U&Hr,r,(,r)g,!,.<OPIESL.TIRE,r'CL111RECIRIF.',T19COOE/r'vAru'EYO).lf't)LOADpr)(r5STARKrR~rrjCrlf'E.SLYTEENCL111it)Tf:ri~"L:A"/))CA<LHF'Iigb6Auif'p).rFLDf)ferr1hE1/IE,ai/J~~~e(l'vr.F1(C!')jALfr;<1),2)ya~PFORnr".IcAE.Qf18f)/nIR~U~FSC15Er';O'1'AFF1)HYrr/CuF0rlR22LIC~r.<<L~)HCPIREGFlLF'V1S~uTr~~r)SI')F.Vc1E)TFRAAL:ACkSBASICaooo16161LPOfC,)hN81987TOTALiMUvbFAOFCOPIFSiFUUIRf:0:LT1Pr)0Er4CL)fo PPaLTWONORTHHIHTHSTREET,ALLENTOWN,PA.18101PHONEr(215)821-5151NORMANW.CURTIS'vicePresident-Engineering8Construction-Nuclear82t.538tDecember23,1980Mr.BoyceH.GrierDirector,RegionIU.S.NuclearRegulatoryCommission631ParkAvenueKingofPrussia,Pennsylvania19406LSUSQUEHANNASTEAMELECTRICSTATIONREVISIONTOTHEFINALREPORTOFADEFICIENCYZNIMPROPERSLOPINGOFPIPINGirrTUBINGLINESFORG.E.INSTRUMENTATZONERs100450/100508FILE840-4/900-10PLA-593
{{#Wiki_filter:.,ALGOLATO)1Nf-ORvPTInlyOISTRIHUTI()N
~,1EH(RIOS)ACCESSIP'r
~rVR:f)101050333 Obc."'TE:
RO/12/23hOTARIZEO FACTL;5rr--
"usouehznna Stea~ElectricStationsUnitar.0-3.")1usouetarnaStea~FlectricStationsUritAl.r[HJRAf'FIL14T(OHURTISi'f."'.rennsylvania power4LightCo~RCCIP.iAvh
'cFCf)'Tt.rvl' FFILIATIO'R E'ER,o,tr.rea>ontir)hiiaaelf.hia<
()fficeoftnefvnPennsylva pennsylva l)irectnr DOCfcFT050r)0387 05Q00358r/,SVOJC1:Forwar~is rrvisiontofinalcIeficiencv rectreinproos1oc:incofoioi>>o)r.tt)tuirci1inesforGVinstrur.entatL')nes'~))1ei)stalledw".ichslooeore-f)alfinchoeion~rf:~crsr~"..:
irrn~csnc:ntr~srnrrss'.~csr~r~:crs Ls;.cc3srr.:DrirL'*;Construction Oeticiency Reoort(aoCFr:50.55')
r'~()TEi:Sen~I>F'coriesrSAR8a11agents~Senr'SF.3coriesrS~~)talla<em~-~05000387>>50nt)3F.~
ACTIG)':rFCIPIE"1IwC!)r)F./,"uAvc A/dLICF')5'"l:
04f,-U&Hr,r,(,r) g,!,.<OPIESL.TIRE,r'CL111RECIRIF.',T19COOE/r'vAru'EYO).lf't)LOAD pr)(r5STARKrR~rrjCrlf'E.SLYTEENCL111it)Tf:ri~"
L:A"/))CA<LHF'Iigb6Auif'p).rFLDf)ferr1hE1/IE,ai/J~~~e(l'vr.F1(C!')jALfr;<1),2)ya~PFORnr".IcAE.Qf18f)/nIR~U~FSC15Er';O'1'AFF1)HYrr/CuF0rlR22LIC~r.<<L~)HCPIREGFlLF'V1S~uTr~~r)SI')F.Vc1E)TFRAAL:
ACkSBASICaooo16161LPOfC,)hN81987TOTALiMUvbFAOFCOPIFSiFUUIRf:0:
LT1Pr)0Er4CL)fo PPaLTWONORTHHIHTHSTREET,ALLENTOWN, PA.18101PHONEr(215)821-5151NORMANW.CURTIS'vicePresident-Engineering 8Construction-Nuclear 82t.538tDecember23,1980Mr.BoyceH.GrierDirector, RegionIU.S.NuclearRegulatory Commission 631ParkAvenueKingofPrussia,Pennsylvania 19406LSUSQUEHANNA STEAMELECTRICSTATIONREVISIONTOTHEFINALREPORTOFADEFICIENCY ZNIMPROPERSLOPINGOFPIPINGirrTUBINGLINESFORG.E.INSTRUMENTATZON ERs100450/100508 FILE840-4/900-10 PLA-593


==DearMr.Grier:==
==DearMr.Grier:==
Thislettertransmitsarevisedfinalreportrelativetoadeficiencyinthe,installationofinstrumentationpipingandtubingconnectedtoG.E.nstrumenaion.TherevisedreportsupercedesinformationpreviouslyprovidedbyPLA-512whichreportedthedeficientconditioninaccordancewiththeprovisionsof10CFR50.55(e).Therevisedreportprovidesatableofacceptancecriteria(TableI)forreworkedlines.Theacceptancecriteriafor,futureinstrumentlineinstalla-tionsremainsasoriginallystated(>I2"perfoot)inPLA-512.Wetrustyouwillfindthissupplementalinformationtobesufficient.Verytrulyyours,N.W.CurtisVicePresident-Engineering&Construction-NuclearAttachmentARS:mcbPENNSYLYANIAPOWERCLLIGHTCOMPANY Mr.BoyceH.Grier2-December23,1980cc:Mr.VictorStello(15)Director-OfficeofZnspectionaEnforcementU.S.NuclearRegulatoryCommissionWashington,D.C.20555~~9~+cDong,4;Q.inctoy~OfficeofManagement'Znformation6ProgramControlU.S.NuclearRegulatoryCommissionWashington,D.C.20555Mr.RobertM.GalloU..S.NuclearRegulatoryCommissionP.0.Box52Shickshinny,Pennsylvania18655 MCAR1-58FINALREPORT(REV1)~SubeccTheinstalledpipingandtubingtoGEequipmentislackinggroperslope.DescritionofPotentialProblemGeneralElectricPipingandTubing,ProcessInstrumentationSpecification22A4019,Paragraph4.2.2.1.2,states:"Whereslopesareindicatedintheinstallationarrangementschematicsorelsewhere,aminimumslopeof1/2"perfootshallbeprovided."Contrarytothestatedrequirement,BechtelNonconformanceReport5807lists41smallpipeinstallationstoGeneralElectricequipmentthatdonotmeettheminimum1/2"perfootsloperequirement.CauseThreeconditionsmayhavecontributedtotheinstallationerror.Theyare:1.Projectengineeringdidnotspecifytherequiredslope(i,e.l/2"perfootmin)onsomeofthedesigndrawings.2.Constructionfailedtoincorporatespecifiedsloperequirementsonsomeofthefieldpreparedfabricationisometricdrawings.3.ConstructionfailedinsomecasestoinstallthesmallpipetotheslopespecifiedontheFieldfabricationisometricdrawings.AnalsisofSafetyImplicationsProjectEngineeringhasdeterminedifthedeficiencyweretohavegoneuncorrecteditcouldhaveadverselyaffectedthesafeoperationoftheplant,anditisthereforedeemedreportableunder10CFR50.55(e).Thisdeficiencycouldproduceanerrorinessentialinstrumentationinexcessofdesignlimits.Inaccurateinstrumentreadingsanddelayedtripscouldresultonlineswhichhavedifferentialinstrumentswhichfunctiononlowdifferentialpressures.Thiswouldbetheresultofairentrapmentinthelinescausedbyimproperslope.'owever,lineswithdeviceswhichoperateonhighdifferentialpressurewouldnotbeassensitivetoslopevariationsandwouldnotadverselyaffectthesafeoperationoftheplant.CorrectiveActionFieldqualitycontrolhasdocumentedonNonconformanceReports5807and6055all.linesthatdonotmeettherequirementsoftheGEspecification(i.e.,1/2"perfootminimumslope).ProjectengineeringhasreviewedtheproblemwithGeneralElectricengineeringandrevisedacceptancecriteriahavebeendevelopedfor"installed"pipingforthevariouscategories.ofinstrumentationinvolved.Engineeringi~iemoforConstruction4992,datedJune16,1980for'wardedthiscriter'atothefield.'AttachmentPage1of2 Rev1Thoselineswhich'havenotyetbeeninstalledshallbeinstalledwithaslope4"perfoot.InstalledlineswhichrequirereworkshallbeslopedtotherequirementsofTableIasaminimum.Fieldconstructionisreworking-identifiedlineswhichdonotmeettherevisedacceptancecriteria.TheUnitIas-builtdrawingswillincludetheactualslopeofinstalledline'.ProjectengineeringwillreviseUnitZZSKM'stoincludeanotethatthepipeandortubingshallbeinstalledtohaveaminimumslopeof4"perfoot(Ref.GESpec.22A4019)andUnitIIP&ZDstoincludetheGEspecificationasareference.FieldengineeringwillrevisetheUnitZIfabricationisometricstoreflecttheaboverecuirements.Pro'ectedCompletionofCorrectiveActionAll.affecteddrawingsareprojectedtoberevisedandUnitIas-builtsareprojectedtobecompletedbyDecember30,1980.Zntheinterim,fieldcon-structionwasnotifiedbyEngineeringMemoforConstruction5062totakestepstoinsurethatthesubjectpipeandtubingareinstalledinaccordancewithGESpecification22A4019.AnyexceptionsaretobedocumentedbyaNoncon-formanceReport.AttachmentPage2of2 TABLEI'ranRPVorprocesslineconnectiontopenetrationfluedheadLinesList'edinMte2.>5/16"perfootcontinuousslopeLinesListedinNote3continuouspositives}ope(1)Frcxnpenetrationfluedheadtoexcessflowcheckvalves(onlyiflengthislessthan3feet)>3/16"perfootcontinuousslopeZeroslopeOKmtes:3.A-.slope'of>-1/8"per=foot-isconsidered-pos'itive2.Wefollowingfunctionsareincluded:{a)RPVlevel(excepttopheadlevelsensingline)(b)CoreSpraydp(c)Y~pnSteamflowsignaltofeedwatercontrolsystem3.Thefollowingfunctionsareincluded:(a)Topheadlevelsensingline(b)Coreap(c)Mainsteamhighflowisolation(d)Elbowtaps(Recirc,RHR,RCZC,HPCZ,RNCUSystems){e)Jetpumpinstrumentation(f)Recircpumpdp(g)Recircloopsuctionpressure(h)Headflangesealpressure(i)Recircpumpsealpressure(j)Belmcoreplatepressure(k)RPVdrainlinepressure4.Recircloopsamplelinedoesnotrequireslope}}
Thislettertransmits arevisedfinalreportrelativetoadeficiency inthe,installation ofinstrumentation pipingandtubingconnected toG.E.nstrumenaion.Therevisedreportsupercedes information previously providedbyPLA-512whichreportedthedeficient condition inaccordance withtheprovisions of10CFR50.55(e).
Therevisedreportprovidesatableofacceptance criteria(TableI)forreworkedlines.Theacceptance criteriafor,futureinstrument lineinstalla-tionsremainsasoriginally stated(>I2"perfoot)inPLA-512.Wetrustyouwillfindthissupplemental information tobesufficient.
Verytrulyyours,N.W.CurtisVicePresident-Engineering
&Construction-Nuclear Attachment ARS:mcbPENNSYLYANIA POWERCLLIGHTCOMPANY Mr.BoyceH.Grier2-December23,1980cc:Mr.VictorStello(15)Director-Office ofZnspection aEnforcement U.S.NuclearRegulatory Commission Washington, D.C.20555~~9~+cDong,4;Q.inc toy~OfficeofManagement'Znformation 6ProgramControlU.S.NuclearRegulatory Commission Washington, D.C.20555Mr.RobertM.GalloU..S.NuclearRegulatory Commission P.0.Box52Shickshinny, Pennsylvania 18655 MCAR1-58FINALREPORT(REV1)~SubeccTheinstalled pipingandtubingtoGEequipment islackinggroperslope.DescritionofPotential ProblemGeneralElectricPipingandTubing,ProcessInstrumentation Specification 22A4019,Paragraph 4.2.2.1.2, states:"Whereslopesareindicated intheinstallation arrangement schematics orelsewhere, aminimumslopeof1/2"perfootshallbeprovided."
Contrarytothestatedrequirement, BechtelNonconformance Report5807lists41smallpipeinstallations toGeneralElectricequipment thatdonotmeettheminimum1/2"perfootsloperequirement.
CauseThreeconditions mayhavecontributed totheinstallation error.Theyare:1.Projectengineering didnotspecifytherequiredslope(i,e.l/2" perfootmin)onsomeofthedesigndrawings.
2.Construction failedtoincorporate specified sloperequirements onsomeofthefieldpreparedfabrication isometric drawings.
3.Construction failedinsomecasestoinstallthesmallpipetotheslopespecified ontheFieldfabrication isometric drawings.
AnalsisofSafetyImplications ProjectEngineering hasdetermined ifthedeficiency weretohavegoneuncorrected itcouldhaveadversely affectedthesafeoperation oftheplant,anditistherefore deemedreportable under10CFR50.55(e).
Thisdeficiency couldproduceanerrorinessential instrumentation inexcessofdesignlimits.Inaccurate instrument readingsanddelayedtripscouldresultonlineswhichhavedifferential instruments whichfunctiononlowdifferential pressures.
Thiswouldbetheresultofairentrapment inthelinescausedbyimproperslope.'owever, lineswithdeviceswhichoperateonhighdifferential pressurewouldnotbeassensitive toslopevariations andwouldnotadversely affectthesafeoperation oftheplant.Corrective ActionFieldqualitycontrolhasdocumented onNonconformance Reports5807and6055all.linesthatdonotmeettherequirements oftheGEspecification (i.e.,1/2"perfootminimumslope).Projectengineering hasreviewedtheproblemwithGeneralElectricengineering andrevisedacceptance criteriahavebeendeveloped for"installed" pipingforthevariouscategories.
ofinstrumentation involved.
Engineering i~iemoforConstruction 4992,datedJune16,1980for'warded thiscriter'atothefield.'Attachment Page1of2 Rev1Thoselineswhich'have notyetbeeninstalled shallbeinstalled withaslope4"perfoot.Installed lineswhichrequirereworkshallbeslopedtotherequirements ofTableIasaminimum.Fieldconstruction isreworking
-identified lineswhichdonotmeettherevisedacceptance criteria.
TheUnitIas-builtdrawingswillincludetheactualslopeofinstalled line'.Projectengineering willreviseUnitZZSKM'stoincludeanotethatthepipeandortubingshallbeinstalled tohaveaminimumslopeof4"perfoot(Ref.GESpec.22A4019)andUnitIIP&ZDstoincludetheGEspecification asareference.
Fieldengineering willrevisetheUnitZIfabrication isometrics toreflecttheaboverecuirements.
Pro'ected Completion ofCorrective ActionAll.affected drawingsareprojected toberevisedandUnitIas-builts areprojected tobecompleted byDecember30,1980.Zntheinterim,fieldcon-struction wasnotifiedbyEngineering MemoforConstruction 5062totakestepstoinsurethatthesubjectpipeandtubingareinstalled inaccordance withGESpecification 22A4019.Anyexceptions aretobedocumented byaNoncon-formanceReport.Attachment Page2of2 TABLEI'ranRPVorprocesslineconnection topenetration fluedheadLinesList'edinMte2.>5/16"perfootcontinuous slopeLinesListedinNote3continuous positives}ope(1)Frcxnpenetration fluedheadtoexcessflowcheckvalves(onlyiflengthislessthan3feet)>3/16"perfootcontinuous slopeZeroslopeOKmtes:3.A-.slope'of
>-1/8"per=foot-is considered-pos'itive 2.Wefollowing functions areincluded:
{a)RPVlevel(excepttopheadlevelsensingline)(b)CoreSpraydp(c)Y~pnSteamflowsignaltofeedwater controlsystem3.Thefollowing functions areincluded:
(a)Topheadlevelsensingline(b)Coreap(c)Mainsteamhighflowisolation (d)Elbowtaps(Recirc,RHR,RCZC,HPCZ,RNCUSystems){e)Jetpumpinstrumentation (f)Recircpumpdp(g)Recircloopsuctionpressure(h)Headflangesealpressure(i)Recircpumpsealpressure(j)Belmcoreplatepressure(k)RPVdrainlinepressure4.Recircloopsamplelinedoesnotrequireslope}}

Revision as of 03:36, 29 June 2018

Revised Final Deficiency Rept Re Improper Sloping of Piping & Tubing Lines for GE Instrumentation.Lines Will Be Installed Which Slope 1/2 Inch Per Ft
ML18030A185
Person / Time
Site: Susquehanna  Talen Energy icon.png
Issue date: 12/23/1980
From: CURTIS N W
PENNSYLVANIA POWER & LIGHT CO.
To: GRIER B H
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
10CFR-050.55E, 10CFR-50.55E, ER-100450, ER-100508, MCAR-1-58, PLA-593, NUDOCS 8101050332
Download: ML18030A185 (6)
v • d • e


Text

.,ALGOLATO)1Nf-ORvPTInlyOISTRIHUTI()N

~,1EH(RIOS)ACCESSIP'r

~rVR:f)101050333 Obc."'TE:

RO/12/23hOTARIZEO FACTL;5rr--

"usouehznna Stea~ElectricStationsUnitar.0-3.")1usouetarnaStea~FlectricStationsUritAl.r[HJRAf'FIL14T(OHURTISi'f."'.rennsylvania power4LightCo~RCCIP.iAvh

'cFCf)'Tt.rvl' FFILIATIO'R E'ER,o,tr.rea>ontir)hiiaaelf.hia<

()fficeoftnefvnPennsylva pennsylva l)irectnr DOCfcFT050r)0387 05Q00358r/,SVOJC1:Forwar~is rrvisiontofinalcIeficiencv rectreinproos1oc:incofoioi>>o)r.tt)tuirci1inesforGVinstrur.entatL')nes'~))1ei)stalledw".ichslooeore-f)alfinchoeion~rf:~crsr~"..:

irrn~csnc:ntr~srnrrss'.~csr~r~:crs Ls;.cc3srr.:DrirL'*;Construction Oeticiency Reoort(aoCFr:50.55')

r'~()TEi:Sen~I>F'coriesrSAR8a11agents~Senr'SF.3coriesrS~~)talla<em~-~05000387>>50nt)3F.~

ACTIG)':rFCIPIE"1IwC!)r)F./,"uAvc A/dLICF')5'"l:

04f,-U&Hr,r,(,r) g,!,.<OPIESL.TIRE,r'CL111RECIRIF.',T19COOE/r'vAru'EYO).lf't)LOAD pr)(r5STARKrR~rrjCrlf'E.SLYTEENCL111it)Tf:ri~"

L:A"/))CA<LHF'Iigb6Auif'p).rFLDf)ferr1hE1/IE,ai/J~~~e(l'vr.F1(C!')jALfr;<1),2)ya~PFORnr".IcAE.Qf18f)/nIR~U~FSC15Er';O'1'AFF1)HYrr/CuF0rlR22LIC~r.<<L~)HCPIREGFlLF'V1S~uTr~~r)SI')F.Vc1E)TFRAAL:

ACkSBASICaooo16161LPOfC,)hN81987TOTALiMUvbFAOFCOPIFSiFUUIRf:0:

LT1Pr)0Er4CL)fo PPaLTWONORTHHIHTHSTREET,ALLENTOWN, PA.18101PHONEr(215)821-5151NORMANW.CURTIS'vicePresident-Engineering 8Construction-Nuclear 82t.538tDecember23,1980Mr.BoyceH.GrierDirector, RegionIU.S.NuclearRegulatory Commission 631ParkAvenueKingofPrussia,Pennsylvania 19406LSUSQUEHANNA STEAMELECTRICSTATIONREVISIONTOTHEFINALREPORTOFADEFICIENCY ZNIMPROPERSLOPINGOFPIPINGirrTUBINGLINESFORG.E.INSTRUMENTATZON ERs100450/100508 FILE840-4/900-10 PLA-593

DearMr.Grier:

Thislettertransmits arevisedfinalreportrelativetoadeficiency inthe,installation ofinstrumentation pipingandtubingconnected toG.E.nstrumenaion.Therevisedreportsupercedes information previously providedbyPLA-512whichreportedthedeficient condition inaccordance withtheprovisions of10CFR50.55(e).

Therevisedreportprovidesatableofacceptance criteria(TableI)forreworkedlines.Theacceptance criteriafor,futureinstrument lineinstalla-tionsremainsasoriginally stated(>I2"perfoot)inPLA-512.Wetrustyouwillfindthissupplemental information tobesufficient.

Verytrulyyours,N.W.CurtisVicePresident-Engineering

&Construction-Nuclear Attachment ARS:mcbPENNSYLYANIA POWERCLLIGHTCOMPANY Mr.BoyceH.Grier2-December23,1980cc:Mr.VictorStello(15)Director-Office ofZnspection aEnforcement U.S.NuclearRegulatory Commission Washington, D.C.20555~~9~+cDong,4;Q.inc toy~OfficeofManagement'Znformation 6ProgramControlU.S.NuclearRegulatory Commission Washington, D.C.20555Mr.RobertM.GalloU..S.NuclearRegulatory Commission P.0.Box52Shickshinny, Pennsylvania 18655 MCAR1-58FINALREPORT(REV1)~SubeccTheinstalled pipingandtubingtoGEequipment islackinggroperslope.DescritionofPotential ProblemGeneralElectricPipingandTubing,ProcessInstrumentation Specification 22A4019,Paragraph 4.2.2.1.2, states:"Whereslopesareindicated intheinstallation arrangement schematics orelsewhere, aminimumslopeof1/2"perfootshallbeprovided."

Contrarytothestatedrequirement, BechtelNonconformance Report5807lists41smallpipeinstallations toGeneralElectricequipment thatdonotmeettheminimum1/2"perfootsloperequirement.

CauseThreeconditions mayhavecontributed totheinstallation error.Theyare:1.Projectengineering didnotspecifytherequiredslope(i,e.l/2" perfootmin)onsomeofthedesigndrawings.

2.Construction failedtoincorporate specified sloperequirements onsomeofthefieldpreparedfabrication isometric drawings.

3.Construction failedinsomecasestoinstallthesmallpipetotheslopespecified ontheFieldfabrication isometric drawings.

AnalsisofSafetyImplications ProjectEngineering hasdetermined ifthedeficiency weretohavegoneuncorrected itcouldhaveadversely affectedthesafeoperation oftheplant,anditistherefore deemedreportable under10CFR50.55(e).

Thisdeficiency couldproduceanerrorinessential instrumentation inexcessofdesignlimits.Inaccurate instrument readingsanddelayedtripscouldresultonlineswhichhavedifferential instruments whichfunctiononlowdifferential pressures.

Thiswouldbetheresultofairentrapment inthelinescausedbyimproperslope.'owever, lineswithdeviceswhichoperateonhighdifferential pressurewouldnotbeassensitive toslopevariations andwouldnotadversely affectthesafeoperation oftheplant.Corrective ActionFieldqualitycontrolhasdocumented onNonconformance Reports5807and6055all.linesthatdonotmeettherequirements oftheGEspecification (i.e.,1/2"perfootminimumslope).Projectengineering hasreviewedtheproblemwithGeneralElectricengineering andrevisedacceptance criteriahavebeendeveloped for"installed" pipingforthevariouscategories.

ofinstrumentation involved.

Engineering i~iemoforConstruction 4992,datedJune16,1980for'warded thiscriter'atothefield.'Attachment Page1of2 Rev1Thoselineswhich'have notyetbeeninstalled shallbeinstalled withaslope4"perfoot.Installed lineswhichrequirereworkshallbeslopedtotherequirements ofTableIasaminimum.Fieldconstruction isreworking

-identified lineswhichdonotmeettherevisedacceptance criteria.

TheUnitIas-builtdrawingswillincludetheactualslopeofinstalled line'.Projectengineering willreviseUnitZZSKM'stoincludeanotethatthepipeandortubingshallbeinstalled tohaveaminimumslopeof4"perfoot(Ref.GESpec.22A4019)andUnitIIP&ZDstoincludetheGEspecification asareference.

Fieldengineering willrevisetheUnitZIfabrication isometrics toreflecttheaboverecuirements.

Pro'ected Completion ofCorrective ActionAll.affected drawingsareprojected toberevisedandUnitIas-builts areprojected tobecompleted byDecember30,1980.Zntheinterim,fieldcon-struction wasnotifiedbyEngineering MemoforConstruction 5062totakestepstoinsurethatthesubjectpipeandtubingareinstalled inaccordance withGESpecification 22A4019.Anyexceptions aretobedocumented byaNoncon-formanceReport.Attachment Page2of2 TABLEI'ranRPVorprocesslineconnection topenetration fluedheadLinesList'edinMte2.>5/16"perfootcontinuous slopeLinesListedinNote3continuous positives}ope(1)Frcxnpenetration fluedheadtoexcessflowcheckvalves(onlyiflengthislessthan3feet)>3/16"perfootcontinuous slopeZeroslopeOKmtes:3.A-.slope'of

>-1/8"per=foot-is considered-pos'itive 2.Wefollowing functions areincluded:

{a)RPVlevel(excepttopheadlevelsensingline)(b)CoreSpraydp(c)Y~pnSteamflowsignaltofeedwater controlsystem3.Thefollowing functions areincluded:

(a)Topheadlevelsensingline(b)Coreap(c)Mainsteamhighflowisolation (d)Elbowtaps(Recirc,RHR,RCZC,HPCZ,RNCUSystems){e)Jetpumpinstrumentation (f)Recircpumpdp(g)Recircloopsuctionpressure(h)Headflangesealpressure(i)Recircpumpsealpressure(j)Belmcoreplatepressure(k)RPVdrainlinepressure4.Recircloopsamplelinedoesnotrequireslope

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