ML18030A352: Difference between revisions

From kanterella
Jump to navigation Jump to search
(Created page by program invented by StriderTol)
(Created page by program invented by StriderTol)
Line 16: Line 16:


=Text=
=Text=
{{#Wiki_filter:}}
{{#Wiki_filter:R=GULJRYivFOR~ATrnVDISTRTBUTISYSTEV(RIDSiACCKSSIOVVSR:8110160462'OC~DATKi:81/10/14VOTARIZEO:NOFACILi:50-387SusquehannaSteamElectricStationiUnit1,Pennsylve50398SgsquehannaiSteam"ElectricStationiUnit2PPennsylvaAUTHi.NA'41EIAUTHOR'FFILI.Al'"IONCURTIS'o4~Pennsylvania.PowerE,Light'o.RECIP,VAMIRECAPIKVi'FFIl.IAT'IOVTEDESCOPR~Lt,AssistantDirectorforiLicensing30CKKT'050003870.0SUBJ=CT:Discusses'~1ong.termooeraoi1ityofdecodraftpumresponse.toNIiC8108131tr.Origfnalinstallationadequate~Pump%valveiniserviceinsoorogramirequforvibrationsurvei11ancesareisatisfactory~OISTRISJTISNCOOii:B021S'OPIES'EC=EVEO.LTRJ,'NCLQTITL=i"'otrespondcnceiforOperating.LVonOperatingFacile40TES:IWK,:3ccodesFSARi4allamends.LPDR:2cysIB,K::3coniesFSARi4allamends.LPOR:2'yspspin'foumosisirementsSIZE".:~ty(ei,g.VorthAnn0509038705000388ACTION<ECIoIKNT''iICOOK/IVAM"-ILI'R&#xb9;2'C04ST'ARKpRI,05COPIESLTTREVCLi1i1RKCIPIEIVT.IDCOOK/NAMEL'ICBR&#xb9;2LACOPTKSLTTR':NCL1INT'ERNAI1ACCORD1VALBABBCHEMEVGBRi09'OREPKRFBR11DIR'iLICEVBING.EL',GKJSCIKNBRi15HU'4'ACiT'NG8RIIa"'YSBR18IE'/EPDBlLICGUIDBR'NATLEVG.BR'0MPAOPLIC8RIPOHERISYSBR21QASR231RE'ACSYSBRI25,SIJTIANAL.BRz261.11114111111111111AUXSY3BR08CONT'YSBR10OIR'pHUMFACS12'FFTR'YSBR13EQUIPQUAlBR14'iUM''ACT'NG16'YD'/GEOBR17ILE'7IE/KPL8'iIC'QUALBR'NlKCHKNGBR20'VRR'/OSI'O/RSOR1ASSESSBR.ROC/TST'EV22'SSESSBR243FI.OiSTRUCTKNGBR27111111111111133331111111i1iEXlERNALcACR8LPOR148'IC29'30611661FKMA~REPOIVVRCPOR'2'4'TIS1111.1OC~>0c'ITOTAL,VUMBERiOFCOPIES'EQUIRED!:L~TTRENCl,5
 
PennsylvaniaPower8LightCompanyTwoNorthNinthStreet~Allentown,PA18101~215/770.5151NormanW.CurtisVicePresident-Engineering&Construction-Nuclear215/770-5381October14,1981Mr.RobertL.TedescoAssistantDirectorforLicensingDivisionofLicensingOfficeofNuclearReactorRegulationU.S.NuclearRegulatoryCommissionWashington,D.C.20555DocketNos.50-38750-388SUSQUEHANNASTEAMELECTRICSTATIONLONGTERMOPERABILITYOFDEEPDRAFTPUMPSER100450FILE841-2PLA-944
 
==DearMr.Tedesco:==
InresponsetotheAugust13,1981letterontheLongTermOperabilityofDeepDraftPumpswhichdividedtherecommendedactionsintoinstallationinstructionsandtestingprocedures,PennsylvaniaPowerandLightCompanyhasreviewedtheconcernsraisedandhasreachedthefollowingconclusions.Theoriginalinstallationofthedeepdraftpumpsonsiteisdeemedadequate.TheproceduresusedfortheinstallationareavailableonsiteforIEInspectorreview.Theseproceduresensuredinstallationwaswithinthemanufacturers.tolerances.Further,thesepumpshaveoperatedwithoutincident,asdescribedlaterinthisletter.Pumpremovalandreinstallationforthesolepurposeofverifyingproperinstallationisunnecessary.Deepdraftpumpassemblyanddisassemblymaintenanceprocedureswillberevisedtoincludestepssimilar'totherecommendedguidelinesstatedinthesubjectletter.However,opticalalignmenttoassuremaximumstraightnessandconcentricityoftheassemblyisunnecessary.Dialindicationalignmentcheckswillbeperformed.Additionally,thepump-tomotorflangeparallelismandshaftperpendicularitycheckswillbeincluded.Constructionofthesumpsforthedeepdraftpumpshasalsobeencompleted.Pumptestinghasbeenperformedtoverifytheabsenceoffluidanomalies,suchasvortexing'rturbulance,inthesuppressionpoolnear,theResidualHeatRemovalPumpintakesandtheCoreSprayPumpintakes.,Thethreephasetestingprogramproposedtoensurepumpoperabilityandtodeterminebearingweartrendsisconsideredunadvisableatthistime.Thispostureisbasedonthepumpshavingpreviouslyexperiencedaconsiderable//Qnumberofoperatinghourswithoutdifficulty.Further,thepotentialproblemsSiiOih0462SiiOi4PDRADGCK05000387.PDR Mr.RobertL.TedescoPage2'ctober14,1981PLa-944associatedwithrepeateddisassembly/reassemblyoutweighthebeneficialeffectsofsuchchecks.PP&LconsidersthePumpandValveInserviceInspectionProgramrequirementsforvibrationsurveillancesusingcontactprobessatisfactoryfortrenddetermination.Thisdatawillbetakenmonthlyandobservanceofabnormalvibrationorwearwillinitiateconsiderationoftestingsimilartothatdescribedinthesubjectletter.N.W.CurtisVicePresident-Engineering6Construction-NuclearCTC/mks
}}

Revision as of 10:16, 20 April 2018

Discusses long-term Operability of Deep Draft Pumps,In Response to NRC 810813 Ltr.Original Installation of Pumps Is Adequate.Pump & Valve Inservice Insp Program Requirements for Vibration Surveillances Are Satisfactory
ML18030A352
Person / Time
Site: Susquehanna  Talen Energy icon.png
Issue date: 10/14/1981
From: CURTIS N W
PENNSYLVANIA POWER & LIGHT CO.
To: TEDESCO R L
Office of Nuclear Reactor Regulation
References
PLA-944, NUDOCS 8110160462
Download: ML18030A352 (4)


Text

R=GULJRYivFOR~ATrnVDISTRTBUTISYSTEV(RIDSiACCKSSIOVVSR:8110160462'OC~DATKi:81/10/14VOTARIZEO:NOFACILi:50-387SusquehannaSteamElectricStationiUnit1,Pennsylve50398SgsquehannaiSteam"ElectricStationiUnit2PPennsylvaAUTHi.NA'41EIAUTHOR'FFILI.Al'"IONCURTIS'o4~Pennsylvania.PowerE,Light'o.RECIP,VAMIRECAPIKVi'FFIl.IAT'IOVTEDESCOPR~Lt,AssistantDirectorforiLicensing30CKKT'050003870.0SUBJ=CT:Discusses'~1ong.termooeraoi1ityofdecodraftpumresponse.toNIiC8108131tr.Origfnalinstallationadequate~Pump%valveiniserviceinsoorogramirequforvibrationsurvei11ancesareisatisfactory~OISTRISJTISNCOOii:B021S'OPIES'EC=EVEO.LTRJ,'NCLQTITL=i"'otrespondcnceiforOperating.LVonOperatingFacile40TES:IWK,:3ccodesFSARi4allamends.LPDR:2cysIB,K::3coniesFSARi4allamends.LPOR:2'yspspin'foumosisirementsSIZE".:~ty(ei,g.VorthAnn0509038705000388ACTION<ECIoIKNTiICOOK/IVAM"-ILI'R¹2'C04ST'ARKpRI,05COPIESLTTREVCLi1i1RKCIPIEIVT.IDCOOK/NAMEL'ICBR¹2LACOPTKSLTTR':NCL1INT'ERNAI1ACCORD1VALBABBCHEMEVGBRi09'OREPKRFBR11DIR'iLICEVBING.EL',GKJSCIKNBRi15HU'4'ACiT'NG8RIIa"'YSBR18IE'/EPDBlLICGUIDBR'NATLEVG.BR'0MPAOPLIC8RIPOHERISYSBR21QASR231RE'ACSYSBRI25,SIJTIANAL.BRz261.11114111111111111AUXSY3BR08CONT'YSBR10OIR'pHUMFACS12'FFTR'YSBR13EQUIPQUAlBR14'iUMACT'NG16'YD'/GEOBR17ILE'7IE/KPL8'iIC'QUALBR'NlKCHKNGBR20'VRR'/OSI'O/RSOR1ASSESSBR.ROC/TST'EV22'SSESSBR243FI.OiSTRUCTKNGBR27111111111111133331111111i1iEXlERNALcACR8LPOR148'IC29'30611661FKMA~REPOIVVRCPOR'2'4'TIS1111.1OC~>0c'ITOTAL,VUMBERiOFCOPIES'EQUIRED!:L~TTRENCl,5

PennsylvaniaPower8LightCompanyTwoNorthNinthStreet~Allentown,PA18101~215/770.5151NormanW.CurtisVicePresident-Engineering&Construction-Nuclear215/770-5381October14,1981Mr.RobertL.TedescoAssistantDirectorforLicensingDivisionofLicensingOfficeofNuclearReactorRegulationU.S.NuclearRegulatoryCommissionWashington,D.C.20555DocketNos.50-38750-388SUSQUEHANNASTEAMELECTRICSTATIONLONGTERMOPERABILITYOFDEEPDRAFTPUMPSER100450FILE841-2PLA-944

DearMr.Tedesco:

InresponsetotheAugust13,1981letterontheLongTermOperabilityofDeepDraftPumpswhichdividedtherecommendedactionsintoinstallationinstructionsandtestingprocedures,PennsylvaniaPowerandLightCompanyhasreviewedtheconcernsraisedandhasreachedthefollowingconclusions.Theoriginalinstallationofthedeepdraftpumpsonsiteisdeemedadequate.TheproceduresusedfortheinstallationareavailableonsiteforIEInspectorreview.Theseproceduresensuredinstallationwaswithinthemanufacturers.tolerances.Further,thesepumpshaveoperatedwithoutincident,asdescribedlaterinthisletter.Pumpremovalandreinstallationforthesolepurposeofverifyingproperinstallationisunnecessary.Deepdraftpumpassemblyanddisassemblymaintenanceprocedureswillberevisedtoincludestepssimilar'totherecommendedguidelinesstatedinthesubjectletter.However,opticalalignmenttoassuremaximumstraightnessandconcentricityoftheassemblyisunnecessary.Dialindicationalignmentcheckswillbeperformed.Additionally,thepump-tomotorflangeparallelismandshaftperpendicularitycheckswillbeincluded.Constructionofthesumpsforthedeepdraftpumpshasalsobeencompleted.Pumptestinghasbeenperformedtoverifytheabsenceoffluidanomalies,suchasvortexing'rturbulance,inthesuppressionpoolnear,theResidualHeatRemovalPumpintakesandtheCoreSprayPumpintakes.,Thethreephasetestingprogramproposedtoensurepumpoperabilityandtodeterminebearingweartrendsisconsideredunadvisableatthistime.Thispostureisbasedonthepumpshavingpreviouslyexperiencedaconsiderable//Qnumberofoperatinghourswithoutdifficulty.Further,thepotentialproblemsSiiOih0462SiiOi4PDRADGCK05000387.PDR Mr.RobertL.TedescoPage2'ctober14,1981PLa-944associatedwithrepeateddisassembly/reassemblyoutweighthebeneficialeffectsofsuchchecks.PP&LconsidersthePumpandValveInserviceInspectionProgramrequirementsforvibrationsurveillancesusingcontactprobessatisfactoryfortrenddetermination.Thisdatawillbetakenmonthlyandobservanceofabnormalvibrationorwearwillinitiateconsiderationoftestingsimilartothatdescribedinthesubjectletter.N.W.CurtisVicePresident-Engineering6Construction-NuclearCTC/mks