ML17261A813: Difference between revisions

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==Subject:==
==Subject:==
GirrwReactorP-essureVessel"B"L&etNozzletoVesselVeldIndicaticnTo:TanV~ach-Nccl~RegulatoryCan~sionOnFebv-~z271979t"..e"8"aleenozz'eoz"""ieGimRe=-c"""Vesselewer.ed=wt".ersozzlebo=e..-'-415'cng''~~ll'ave2nd>'-5'hm:.<veinaccoancewi~.~zoe~ai>'of.Sec""'onC.Cn'Ywch3,1.79tie&awaswwOeva--teoy*~weperse-.:.eL.Cne15cngie&.-~-.dcatim;;~pre'we=yev->--'sc=-cceotmle'~-~"there.=-.-'-iat='cn-.devruat"He~'"an'~s~ccai"cnIvesnotcerectedi.>:a~5she<<WaVee~=-'="-tionCnyt'"..e15'ong~Z3.='vaVeCB~~cted0:~id"C=tCii.OnY2ch~>17,a~i2.~Q:""t:.u~li.~wut.;evesse'aL'sL.=0ongt"n'>ave,45'nd60ang>ebe=--she<<'..ave~~~-:-zticnoz~-.e"3"wetnozz'2waspe:ed.The"2.<ewof~msc""-didrotreve="lanv''.Qicat='cns.'I/l<<..ere.ore,cni~'-"".o,i><9a2-.~.Cnoz-.e.c""-..-"e'pe=-=;..=m~=.eDo&#x17d;=="oru--''"='.=-a1>ang=2=-.,cngi=m"~.-.-2e~'"-"-'"a"ee.-'----c"-s--"dczs-'-c-'"-"a="--'='c=-s~o-whic'.".rec&#x17d;rdec0%D~C2nd~cate~~ii-ces'=->ls~.o~~(asshe:...Iinat"ac'".ed=p~-2i)icent='==edovt'.eir=~@'.aaw'="ei..Cr:&#x17d;ersas61,55,53,102,89and1;7.Theindicaticnwas~~e~rea~~~ed-~~~".6~awa>sea>,2ozAiicare"r=ec507.DACwdccate~li="'esin6a==-side~ti"iedbv~'".~='rn~z-..=.~mlitt"e%L'~Cn=.iersas-',59,58,89',76and115.Theseindic"-t<<cnsc=zineinto3incicat='ons1.inc;.esmartatthe'-ne"-~estpoi.ts.Thisc-..ensionisgreate<<t'.".~athe0.93inch~"o."-awalldiL.e-lionsozthelargerincic"-ticnsotheyareccnsi2edasseparateindicationsinaccordance~v":"athem~esozSectionXi.T.".e2siialindicatic.ahave"a"and"l"d~we~sicnsRichareclear'yal>lowableadertheriesofSect"onZE197<,TableIBM-3510.7".elargerindication'resm"a"oz.W5inches,"l"oz5.271inchesand"t"is9~~chesr~~consder3.~<t.ler~d,eclat-cndatawltDouttzEQzlg,&~toac~~itbca:ilspread,soa/1=.05,.a=5.17/ozt.~M.chezceedsthecodeallowableliwts.7..erev-e~oz"thefabricat'onaccept-aceradiograhsshcwst'.mslagindications(codeacceptable)int~gaeaofthenozzewithgcodcorellationtotheLTevaluation.Inordertogethzeac-atesiz'~gofthislargerindicationbenspre"-sure&#xc3;e.tsweetak=C.L.T/22nd3/>T3/8'c'.c.'.etesidec='~echol~s,~vwch~ivesabemsoreada'.a'eof1/2ce"reesas2~.aH".>a>>antscn3/16'.Cn=-ic3/8~.cnci~~i.eterang-'0~=L-ec.:z-'-"iootGQ"oes(-"-..)'t..e..'tovesseLc-'rat-cn~&et7&-5P.p l~~tsli' TanWavhachNarch11,1979Sheet2of2indicaticn'smetalpathgavemplitudesof50%and112%DACrespecc'velyfrcmas~dardDACcalibracicnutilizingthesm:esearchmitandwedgethatvereusedforthee~inations.The50%DACm~~rerancscnthe3/8inchFBHg'vesabema'spreadangleof61/2demesintheprojectiondirectionmd8degresacrossthebern.Sizingthe3/8inchdimeterrnHtothe50%DAClimitsgives63/60incnesbyI1/8inchesdir~sicnsoversizingthereflectorby.609inchesintheprojectiond~"eccicnand.750inchesacrossthebean.Reflectorsgivingsimilar@rod.toesatsimilarnatalpat~s~&eharesizedtothe50%DACl~ts-~ybeBmectedtobesimilarlyovesized.Bemspreadcor"ect"onofthesubsurfaceindicationdizensicnsassi:r~zinFibre2givesalength""c"of4.521inches,"ac"of.1603inches,"t"=9inches,a/lc=.035,ac=1.78%ot,whichc~~mst"ates"'.at>"~indicat=onisallovmleunce~aeruesofSecticn01974,TableiviB-35'i0.Theindication'slocacedne>>"'".erozz2forgingtoweld'.tenaceofthenozzletovesselweldassaQvtlin"i@~e3.itisdetectedbvt'.".e15'nglebeelongiv.~illwavee~~~'~~~ion=~~thenozzlebore.~e~5~~olebernsne>>wave~mthenczz~ebore,t.e0'cngi-d'~"l,~I.S'he"--and60'neerwavee~~"actions==.~".evesse'alldonocdecec"~~'srl=-'".dicac"cn.m~"edcn~-.eezc~siveevaiuaticnofw~se~ecobvseverPlLevelIIiultas%a"cBF~~~~=t:cnsoecPiscswea2vejMKencthatL2s3~1scoseveQarBCUBtoKcBDDBQslaRooseneo~~the==-br=cat~onraoz.ograp."aanonosz.~-.chic=~~--~ewscz~'this"BloRile1ce"c~c3issKs'c'linte~"jorscc-DT.WePaDBt".'si:cation~i.csyournes.ifyouhaveany~"-~Baues"=cnsc~ce'~"-~"'s='"."ic~cicn,DBaseconocnesita=ecocontactmWe2"2Drcceedi."-;.-i=act~~start-upsc'".e~leano~vldst"IbewiI'~~codiscsst='w8--'".~.~ithycuacycuccnveaenc.Sincerely,AlbecE.C""'si::Weldingand'.fences=""'veEzcQztcn"~p.Ber i0  
GirrwReactorP-essureVessel"B"L&etNozzletoVesselVeldIndicaticnTo:TanV~ach-Nccl~RegulatoryCan~sionOnFebv-~z271979t"..e"8"aleenozz'eoz"""ieGimRe=-c"""Vesselewer.ed=wt".ersozzlebo=e..-'-415'cng''~~ll'ave2nd>'-5'hm:.<veinaccoancewi~.~zoe~ai>'of.Sec""'onC.Cn'Ywch3,1.79tie&awaswwOeva--teoy*~weperse-.:.eL.Cne15cngie&.-~-.dcatim;;~pre'we=yev->--'sc=-cceotmle'~-~"there.=-.-'-iat='cn-.devruat"He~'"an'~s~ccai"cnIvesnotcerectedi.>:a~5she<<WaVee~=-'="-tionCnyt'"..e15'ong~Z3.='vaVeCB~~cted0:~id"C=tCii.OnY2ch~>17,a~i2.~Q:""t:.u~li.~wut.;evesse'aL'sL.=0ongt"n'>ave,45'nd60ang>ebe=--she<<'..ave~~~-:-zticnoz~-.e"3"wetnozz'2waspe:ed.The"2.<ewof~msc""-didrotreve="lanv''.Qicat='cns.'I/l<<..ere.ore,cni~'-"".o,i><9a2-.~.Cnoz-.e.c""-..-"e'pe=-=;..=m~=.eDo&#x17d;=="oru--''"='.=-a1>ang=2=-.,cngi=m"~.-.-2e~'"-"-'"a"ee.-'----c"-s--"dczs-'-c-'"-"a="--'='c=-s~o-whic'.".rec&#x17d;rdec0%D~C2nd~cate~~ii-ces'=->ls~.o~~(asshe:...Iinat"ac'".ed=p~-2i)icent='==edovt'.eir=~@'.aaw'="ei..Cr:&#x17d;ersas61,55,53,102,89and1;7.Theindicaticnwas~~e~rea~~~ed-~~~".6~awa>sea>,2ozAiicare"r=ec507.DACwdccate~li="'esin6a==-side~ti"iedbv~'".~='rn~z-..=.~mlitt"e%L'~Cn=.iersas-',59,58,89',76and115.Theseindic"-t<<cnsc=zineinto3incicat='ons1.inc;.esmartatthe'-ne"-~estpoi.ts.Thisc-..ensionisgreate<<t'.".~athe0.93inch~"o."-awalldiL.e-lionsozthelargerincic"-ticnsotheyareccnsi2edasseparateindicationsinaccordance~v":"athem~esozSectionXi.T.".e2siialindicatic.ahave"a"and"l"d~we~sicnsRichareclear'yal>lowableadertheriesofSect"onZE197<,TableIBM-3510.7".elargerindication'resm"a"oz.W5inches,"l"oz5.271inchesand"t"is9~~chesr~~consder3.~<t.ler~d,eclat-cndatawltDouttzEQzlg,&~toac~~itbca:ilspread,soa/1=.05,.a=5.17/ozt.~M.chezceedsthecodeallowableliwts.7..erev-e~oz"thefabricat'onaccept-aceradiograhsshcwst'.mslagindications(codeacceptable)int~gaeaofthenozzewithgcodcorellationtotheLTevaluation.Inordertogethzeac-atesiz'~gofthislargerindicationbenspre"-sure&#xc3;e.tsweetak=C.L.T/22nd3/>T3/8'c'.c.'.etesidec='~echol~s,~vwch~ivesabemsoreada'.a'eof1/2ce"reesas2~.aH".>a>>antscn3/16'.Cn=-ic3/8~.cnci~~i.eterang-'0~=L-ec.:z-'-"iootGQ"oes(-"-..)'t..e..'tovesseLc-'rat-cn~&et7&-5P.p l~~tsli' TanWavhachNarch11,1979Sheet2of2indicaticn'smetalpathgavemplitudesof50%and112%DACrespecc'velyfrcmas~dardDACcalibracicnutilizingthesm:esearchmitandwedgethatvereusedforthee~inations.The50%DACm~~rerancscnthe3/8inchFBHg'vesabema'spreadangleof61/2demesintheprojectiondirectionmd8degresacrossthebern.Sizingthe3/8inchdimeterrnHtothe50%DAClimitsgives63/60incnesbyI1/8inchesdir~sicnsoversizingthereflectorby.609inchesintheprojectiond~"eccicnand.750inchesacrossthebean.Reflectorsgivingsimilar@rod.toesatsimilarnatalpat~s~&eharesizedtothe50%DACl~ts-~ybeBmectedtobesimilarlyovesized.Bemspreadcor"ect"onofthesubsurfaceindicationdizensicnsassi:r~zinFibre2givesalength""c"of4.521inches,"ac"of.1603inches,"t"=9inches,a/lc=.035,ac=1.78%ot,whichc~~mst"ates"'.at>"~indicat=onisallovmleunce~aeruesofSecticn01974,TableiviB-35'i0.Theindication'slocacedne>>"'".erozz2forgingtoweld'.tenaceofthenozzletovesselweldassaQvtlin"i@~e3.itisdetectedbvt'.".e15'nglebeelongiv.~illwavee~~~'~~~ion=~~thenozzlebore.~e~5~~olebernsne>>wave~mthenczz~ebore,t.e0'cngi-d'~"l,~I.S'he"--and60'neerwavee~~"actions==.~".evesse'alldonocdecec"~~'srl=-'".dicac"cn.m~"edcn~-.eezc~siveevaiuaticnofw~se~ecobvseverPlLevelIIiultas%a"cBF~~~~=t:cnsoecPiscswea2vejMKencthatL2s3~1scoseveQarBCUBtoKcBDDBQslaRooseneo~~the==-br=cat~onraoz.ograp."aanonosz.~-.chic=~~--~ewscz~'this"BloRile1ce"c~c3issKs'c'linte~"jorscc-DT.WePaDBt".'si:cation~i.csyournes.ifyouhaveany~"-~Baues"=cnsc~ce'~"-~"'s='"."ic~cicn,DBaseconocnesita=ecocontactmWe2"2Drcceedi."-;.-i=act~~start-upsc'".e~leano~vldst"IbewiI'~~codiscsst='w8--'".~.~ithycuacycuccnveaenc.Sincerely,AlbecE.C""'si::Weldingand'.fences=""'veEzcQztcn"~p.Ber i0  
(.)C>>)'300'g~t53CP-/og,gyS(.:.30'l>,ergI-"-'-':O/gCUhIFEgEiYTIJLSEA/SIj-20"ytYI/II.SCANS1t'1')g~)I~)f))j~~rr'~'I7/HALI.0IYAWLEQ"gC<ALLSYslNEreme~<ISzs<PBT(rr ft A3-48&Ii/SPllE!0OP(/xi''DiAFl.AIaSIDE81/ilEDboilEsII1l0~~5gpeal~~~g~I 1Itsr' I~llr]Ir~jrIOl 4I  
(.)C>>)'300'g~t53CP-/og,gyS(.:.30'l>,ergI-"-'-':O/gCUhIFEgEiYTIJLSEA/SIj-20"ytYI/II.SCANS1t'1')g~)I~)f))j~~rr'~'I7/HALI.0IYAWLEQ"gC<ALLSYslNEreme~<ISzs<PBT(rr ft A3-48&Ii/SPllE!0OP(/xi''DiAFl.AIaSIDE81/ilEDboilEsII1l0~~5gpeal~~~g~I 1Itsr' I~llr]Ir~jrIOl 4I}}
}}

Revision as of 12:56, 18 May 2018

Discusses Exam of Plant Reactor Pressure Vessel B Inlet Nozzle to Vessel Weld Indication.One 15 Degree Longitudinal Indication Preliminarily Evaluated Unacceptable.Exams Showed Signals Due to Entrapped Slag W/No Serious Flaws in Weld
ML17261A813
Person / Time
Site: Ginna Constellation icon.png
Issue date: 03/11/1979
From: CURTIS A E
ROCHESTER GAS & ELECTRIC CORP.
To: WAMBACH T
NRC
Shared Package
ML17261A806 List:
References
NUDOCS 8901130176
Download: ML17261A813 (10)
v • d • e


Text

~~1S3-1ROCHESTER'G'SnNO"'.EC>RlCC~.cPCRpl>lO><~09=AS>A'>>HUE,RCC.""ES:"="2,>l."..l'5~y'><'a4~fiC4KI~<<C'2-GinnaStation.March11,1979

Subject:

GirrwReactorP-essureVessel"B"L&etNozzletoVesselVeldIndicaticnTo:TanV~ach-Nccl~RegulatoryCan~sionOnFebv-~z271979t"..e"8"aleenozz'eoz"""ieGimRe=-c"""Vesselewer.ed=wt".ersozzlebo=e..-'-415'cng~~ll'ave2nd>'-5'hm:.<veinaccoancewi~.~zoe~ai>'of.Sec""'onC.Cn'Ywch3,1.79tie&awaswwOeva--teoy*~weperse-.:.eL.Cne15cngie&.-~-.dcatim;;~pre'we=yev->--'sc=-cceotmle'~-~"there.=-.-'-iat='cn-.devruat"He~'"an'~s~ccai"cnIvesnotcerectedi.>:a~5she<<WaVee~=-'="-tionCnyt'"..e15'ong~Z3.='vaVeCB~~cted0:~id"C=tCii.OnY2ch~>17,a~i2.~Q:""t:.u~li.~wut.;evesse'aL'sL.=0ongt"n'>ave,45'nd60ang>ebe=--she<<'..ave~~~-:-zticnoz~-.e"3"wetnozz'2waspe:ed.The"2.<ewof~msc""-didrotreve="lanv.Qicat='cns.'I/l<<..ere.ore,cni~'-"".o,i><9a2-.~.Cnoz-.e.c""-..-"e'pe=-=;..=m~=.eDoŽ=="oru--"='.=-a1>ang=2=-.,cngi=m"~.-.-2e~'"-"-'"a"ee.-'----c"-s--"dczs-'-c-'"-"a="--'='c=-s~o-whic'.".recŽrdec0%D~C2nd~cate~~ii-ces'=->ls~.o~~(asshe:...Iinat"ac'".ed=p~-2i)icent='==edovt'.eir=~@'.aaw'="ei..Cr:Žersas61,55,53,102,89and1;7.Theindicaticnwas~~e~rea~~~ed-~~~".6~awa>sea>,2ozAiicare"r=ec507.DACwdccate~li="'esin6a==-side~ti"iedbv~'".~='rn~z-..=.~mlitt"e%L'~Cn=.iersas-',59,58,89',76and115.Theseindic"-t<<cnsc=zineinto3incicat='ons1.inc;.esmartatthe'-ne"-~estpoi.ts.Thisc-..ensionisgreate<<t'.".~athe0.93inch~"o."-awalldiL.e-lionsozthelargerincic"-ticnsotheyareccnsi2edasseparateindicationsinaccordance~v":"athem~esozSectionXi.T.".e2siialindicatic.ahave"a"and"l"d~we~sicnsRichareclear'yal>lowableadertheriesofSect"onZE197<,TableIBM-3510.7".elargerindication'resm"a"oz.W5inches,"l"oz5.271inchesand"t"is9~~chesr~~consder3.~<t.ler~d,eclat-cndatawltDouttzEQzlg,&~toac~~itbca:ilspread,soa/1=.05,.a=5.17/ozt.~M.chezceedsthecodeallowableliwts.7..erev-e~oz"thefabricat'onaccept-aceradiograhsshcwst'.mslagindications(codeacceptable)int~gaeaofthenozzewithgcodcorellationtotheLTevaluation.Inordertogethzeac-atesiz'~gofthislargerindicationbenspre"-sureÃe.tsweetak=C.L.T/22nd3/>T3/8'c'.c.'.etesidec='~echol~s,~vwch~ivesabemsoreada'.a'eof1/2ce"reesas2~.aH".>a>>antscn3/16'.Cn=-ic3/8~.cnci~~i.eterang-'0~=L-ec.:z-'-"iootGQ"oes(-"-..)'t..e..'tovesseLc-'rat-cn~&et7&-5P.p l~~tsli' TanWavhachNarch11,1979Sheet2of2indicaticn'smetalpathgavemplitudesof50%and112%DACrespecc'velyfrcmas~dardDACcalibracicnutilizingthesm:esearchmitandwedgethatvereusedforthee~inations.The50%DACm~~rerancscnthe3/8inchFBHg'vesabema'spreadangleof61/2demesintheprojectiondirectionmd8degresacrossthebern.Sizingthe3/8inchdimeterrnHtothe50%DAClimitsgives63/60incnesbyI1/8inchesdir~sicnsoversizingthereflectorby.609inchesintheprojectiond~"eccicnand.750inchesacrossthebean.Reflectorsgivingsimilar@rod.toesatsimilarnatalpat~s~&eharesizedtothe50%DACl~ts-~ybeBmectedtobesimilarlyovesized.Bemspreadcor"ect"onofthesubsurfaceindicationdizensicnsassi:r~zinFibre2givesalength""c"of4.521inches,"ac"of.1603inches,"t"=9inches,a/lc=.035,ac=1.78%ot,whichc~~mst"ates"'.at>"~indicat=onisallovmleunce~aeruesofSecticn01974,TableiviB-35'i0.Theindication'slocacedne>>"'".erozz2forgingtoweld'.tenaceofthenozzletovesselweldassaQvtlin"i@~e3.itisdetectedbvt'.".e15'nglebeelongiv.~illwavee~~~'~~~ion=~~thenozzlebore.~e~5~~olebernsne>>wave~mthenczz~ebore,t.e0'cngi-d'~"l,~I.S'he"--and60'neerwavee~~"actions==.~".evesse'alldonocdecec"~~'srl=-'".dicac"cn.m~"edcn~-.eezc~siveevaiuaticnofw~se~ecobvseverPlLevelIIiultas%a"cBF~~~~=t:cnsoecPiscswea2vejMKencthatL2s3~1scoseveQarBCUBtoKcBDDBQslaRooseneo~~the==-br=cat~onraoz.ograp."aanonosz.~-.chic=~~--~ewscz~'this"BloRile1ce"c~c3issKs'c'linte~"jorscc-DT.WePaDBt".'si:cation~i.csyournes.ifyouhaveany~"-~Baues"=cnsc~ce'~"-~"'s='"."ic~cicn,DBaseconocnesita=ecocontactmWe2"2Drcceedi."-;.-i=act~~start-upsc'".e~leano~vldst"IbewiI'~~codiscsst='w8--'".~.~ithycuacycuccnveaenc.Sincerely,AlbecE.C""'si::Weldingand'.fences=""'veEzcQztcn"~p.Ber i0

(.)C>>)'300'g~t53CP-/og,gyS(.:.30'l>,ergI-"-'-':O/gCUhIFEgEiYTIJLSEA/SIj-20"ytYI/II.SCANS1t'1')g~)I~)f))j~~rr'~'I7/HALI.0IYAWLEQ"gC<ALLSYslNEreme~<ISzs<PBT(rr ft A3-48&Ii/SPllE!0OP(/xiDiAFl.AIaSIDE81/ilEDboilEsII1l0~~5gpeal~~~g~I 1Itsr' I~llr]Ir~jrIOl 4I

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