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{{#Wiki_filter:Rs."ULA>SR'+>I'>FURNATIo>>olsTRIOUTIo'Ist's>l(Rios)'QI/IACCESSIOf'fNBH:8006FACI'ne0410Sf'ATB~f~.>c,r'ILKI>CSUNsT.A.HFCIP~sfA~}E~C'fULLENRH~060384OOC~DATE:80/0IMilePointI'fuclearStat~ilePointNuclearStatAUTHORAFFTLIATIOffArfTtysOept,ofsCorosofFREC1PIFf4IAFFILIAIIONGeosciencesBranch5/30NOTARIZED:NODOCKETiongUnitlsNiagaraPowe05000220ionsUnit2rf4iagaraaloha05000410n91neersSUslSECT:Respondsto80021580509requesgeotechnicalinvestigations'tilimplicationsofcrockinreactorDISfHIBUTIONCODE:6021SCOPIESRECEIVEf)TITLE:DualReviewHesponsibi~fOTES:tsforreviewofplant-shouldevaluatesafetybldgnorthwall,:LTHE'fCISIZE:lity(DOR8OPM)HECIPIENTCUPIESI0COOF/i%A>~1ELTTREf'fACTIuf'.05f'fnP.POW,~W~~~<1Af)8.6RX'maSHECIPIENTCOPIESIOCODE/i<AME'>THEN06BCCg>3>ZmKy5LAO4B&#xb9;8>'CuRgyINTERNAL:')GFIL18I~E14COREPERFBR16REACSFTYBR1>3PLANTSYSBH20BRIRKRAN22OPERALICBR25QAB27STRUCEluGBR29HERCSYSBH31AUXSYSUR"33IffCSYSOR'35ACCONTAfJLYS37KIRK'>AfOODAf)FORENGAOSITEANLfSAO/CORE8Cf)IWTOELD.EXTERNAL:03LPOR39ACRS1211111111l1111111111101002ffRCPI)R13TA/EDO15Ei'lGRBR17EEB19EFLTTHTSYS21EPBOOR23GEOSCIBR26'lECHENGBR28HATLENGOR30ANALYSISBH32CONTAINSYS34POlvERSYSBR36HAOASSTBH36HYDFETORBRADPLANTSYSADSITETECHDIHECTOR>ERR04NSIC1111121111111l11'JUXe5800TOTALIA>bblBEHUFCOPIESHEQU[RED:LTTR~ENCL
 
0DEPARTMENTOFTHEARMYBUFFALODISTRICT,CORPSOFENGINEERS1776NIAGARASTREETBUFFALO,NEWYORK14207NCBED-DF30Hay1980Hr.RichardMcMullenGeologyandSeismologySectionNuclearRegulatoryCommissionWashington,DC20555
 
==DearDick:==
Referenceyourtransmittaldated15february1980,andourverbalconversationon9May1980,requestingourreviewofgeotechnicalinvestigationsperformedatNiagaraMohawk'sNineMilePointNuclearStation,Units1and2.WehavereviewedNiagaraMohawk'sresponsestoseveralofthequestionsposedtotheminyourmemorandumdated11May1979.Asdiscussedwithyoupreviously,atthepresenttimewewillonlybeprovidingcommentsregardingNiagaraMohawk'sresponsetoQuestion361.22.SincemanyofthequestionsregardingtheinvestigationperformedatUnit2areinterrelated,IwouldprefertowithholdcommentingonanyspecificresponseuntilallquestionshavebeenaddressedbyNiagaraMohawk.RegardingtheresponsetoQuestion361.22,itappearsthattheUtilityhasaltereditspositiononthepostulatedcauseforthecrackinthenorthwalloftheUnit1ReactorBuilding.Atthemeetingheldon24April1977,Niagara.Mohawkindicatedthatthecrackwas'suspectedtobecausedbyrocksqueezeofexcavationwalls.IntheirresponsetoQuestion361.22,NiagaraMohawknowstatesthatthecauseofthecrackhasnotbeendetermined.The3-footwideslotbetweentherockandsubstructurewallswouldseemtoprecludewallcon-vergencefromhorizontalrocksqueezeasalikelycauseforcracking.However,asstatedintheresponse,smallmovementsofthefoundationrocksupportingtheadjoiningScreenwellBuilding'swestwall,couldproducesuf-ficientloadtocausecrackingintheReactorBuildingwall.ExpansionofconcretecomprisingthewestwalloftheScreenwellBuildingwasmentionedasanotherpossiblecause..ItismyopinionthatcanceofthecrackinsafeoperationofthethesimplemonitoringifpossibleitsexacttheUtilityshouldberequiredtoevaluatethesignifi-theUnit1ReactorBuildingwallwithrespecttotheplant.Further,theyshouldundertakestudies,beyondofphysicalchangesofthecrack,inordertodeterminecause.TheneedforpossibleremedialtreatmentatQp>8006060~~'(
 
NCBEO-DPMr.RichardMcMullenUnit1andtheneedfordesignandconstructionmodificationatUnit2shouldbethoroughlyaddressedbytheUtility.WelookforwardtoreceivingacopyofNiagaraMohawk'sresponsestothebalanceofthequestionsrelatingtotheUnit2geologicinvestigation.Sincerely,~/'j.Lkkl'HOMASA.ILKINSONDistrictGeologist
 
U.S.NUCLEARREQULATORVCOMMISSIONETTEVRCFoRM1962-7$)NRCOISTRIBUTlONFOR'ART50DOCKMARlALOOCKETNUMSER8V-2dO./FIIENUMSER0Mr.J.M.ToenniesNiagaraMohawkPwrCorpSyracuse,N.Y.FROM:DeptoftheArmyBuffalo,N.Y.14207PaulF.GaumeOATSOF0OCUMENTOATERECEIVEOIETTERC}ORIOINAI.PCOPVC1NOTORIZEO.~NCLASSIFIEOPROP~INPUT'0RMNUMSEROFCOPIESRECEIVEO/CC~ESCRIPTIONForwardingDeptoftheArmy'spermitallowingApplicanttoconstructasubmergedintakestructureandasubmergeddischarge.structureconnectedtoshorebytunnelNo1,andasubmergedintakestructureconnectedtoshoreNo2inLakeOntarioat:SubjectFacility,OswegoCounty,NYPLANTNAME:NINEMILEPOINTUNITS1Bc2jcm06/07/78JIt=WC.CFORACTION/INFORMATION.ENVIRO&#xc3;iENTALASSIGNEDAD:CHCHIEF:PROJECTMANAGER:LIC.ASST:BRANCHCHIEF:uolte.is>UOCAUemR5B-<<.4B.HARLESSINTERNALDISTRIBUTIONSYSTEMSSITESAFETYQENVIRONAVALYSISDENTONCNJLLERTGOSS'ICKGSTAFFEVGIVEERIVGTDTTOCTRSVVIRONTECHERNSTBALL~CTORSAFETYROSSiVOVAKILL(2)ROSZTOCZYCHECKVOLWRYSISPDR:TICCBEGV(J.HAilCHETT)16CYSSENTCATEGOR.EXIERNALDISTRIBUTIONCONTROLNUMBER7-~.i'O;i-
 
}}

Revision as of 07:19, 20 April 2018

Responds to 800215 & 0509 Requests for Review of Plant Geotechnical Investigations.Util Should Evaluate Safety Implications of Crack in Reactor Bldg North Wall
ML18037A261
Person / Time
Site: Nine Mile Point  Constellation icon.png
Issue date: 05/30/1980
From: WILKINSON T A
ARMY, DEPT. OF, CORPS OF ENGINEERS
To: MCMULLEN R
Office of Nuclear Reactor Regulation
References
NCBED-DF, NUDOCS 8006060384
Download: ML18037A261 (8)


Text

Rs."ULA>SR'+>I'>FURNATIo>>olsTRIOUTIo'Ist's>l(Rios)'QI/IACCESSIOf'fNBH:8006FACI'ne0410Sf'ATB~f~.>c,r'ILKI>CSUNsT.A.HFCIP~sfA~}E~C'fULLENRH~060384OOC~DATE:80/0IMilePointI'fuclearStat~ilePointNuclearStatAUTHORAFFTLIATIOffArfTtysOept,ofsCorosofFREC1PIFf4IAFFILIAIIONGeosciencesBranch5/30NOTARIZED:NODOCKETiongUnitlsNiagaraPowe05000220ionsUnit2rf4iagaraaloha05000410n91neersSUslSECT:Respondsto80021580509requesgeotechnicalinvestigations'tilimplicationsofcrockinreactorDISfHIBUTIONCODE:6021SCOPIESRECEIVEf)TITLE:DualReviewHesponsibi~fOTES:tsforreviewofplant-shouldevaluatesafetybldgnorthwall,:LTHE'fCISIZE:lity(DOR8OPM)HECIPIENTCUPIESI0COOF/i%A>~1ELTTREf'fACTIuf'.05f'fnP.POW,~W~~~<1Af)8.6RX'maSHECIPIENTCOPIESIOCODE/i<AME'>THEN06BCCg>3>ZmKy5LAO4B¹8>'CuRgyINTERNAL:')GFIL18I~E14COREPERFBR16REACSFTYBR1>3PLANTSYSBH20BRIRKRAN22OPERALICBR25QAB27STRUCEluGBR29HERCSYSBH31AUXSYSUR"33IffCSYSOR'35ACCONTAfJLYS37KIRK'>AfOODAf)FORENGAOSITEANLfSAO/CORE8Cf)IWTOELD.EXTERNAL:03LPOR39ACRS1211111111l1111111111101002ffRCPI)R13TA/EDO15Ei'lGRBR17EEB19EFLTTHTSYS21EPBOOR23GEOSCIBR26'lECHENGBR28HATLENGOR30ANALYSISBH32CONTAINSYS34POlvERSYSBR36HAOASSTBH36HYDFETORBRADPLANTSYSADSITETECHDIHECTOR>ERR04NSIC1111121111111l11'JUXe5800TOTALIA>bblBEHUFCOPIESHEQU[RED:LTTR~ENCL

0DEPARTMENTOFTHEARMYBUFFALODISTRICT,CORPSOFENGINEERS1776NIAGARASTREETBUFFALO,NEWYORK14207NCBED-DF30Hay1980Hr.RichardMcMullenGeologyandSeismologySectionNuclearRegulatoryCommissionWashington,DC20555

DearDick:

Referenceyourtransmittaldated15february1980,andourverbalconversationon9May1980,requestingourreviewofgeotechnicalinvestigationsperformedatNiagaraMohawk'sNineMilePointNuclearStation,Units1and2.WehavereviewedNiagaraMohawk'sresponsestoseveralofthequestionsposedtotheminyourmemorandumdated11May1979.Asdiscussedwithyoupreviously,atthepresenttimewewillonlybeprovidingcommentsregardingNiagaraMohawk'sresponsetoQuestion361.22.SincemanyofthequestionsregardingtheinvestigationperformedatUnit2areinterrelated,IwouldprefertowithholdcommentingonanyspecificresponseuntilallquestionshavebeenaddressedbyNiagaraMohawk.RegardingtheresponsetoQuestion361.22,itappearsthattheUtilityhasaltereditspositiononthepostulatedcauseforthecrackinthenorthwalloftheUnit1ReactorBuilding.Atthemeetingheldon24April1977,Niagara.Mohawkindicatedthatthecrackwas'suspectedtobecausedbyrocksqueezeofexcavationwalls.IntheirresponsetoQuestion361.22,NiagaraMohawknowstatesthatthecauseofthecrackhasnotbeendetermined.The3-footwideslotbetweentherockandsubstructurewallswouldseemtoprecludewallcon-vergencefromhorizontalrocksqueezeasalikelycauseforcracking.However,asstatedintheresponse,smallmovementsofthefoundationrocksupportingtheadjoiningScreenwellBuilding'swestwall,couldproducesuf-ficientloadtocausecrackingintheReactorBuildingwall.ExpansionofconcretecomprisingthewestwalloftheScreenwellBuildingwasmentionedasanotherpossiblecause..ItismyopinionthatcanceofthecrackinsafeoperationofthethesimplemonitoringifpossibleitsexacttheUtilityshouldberequiredtoevaluatethesignifi-theUnit1ReactorBuildingwallwithrespecttotheplant.Further,theyshouldundertakestudies,beyondofphysicalchangesofthecrack,inordertodeterminecause.TheneedforpossibleremedialtreatmentatQp>8006060~~'(

NCBEO-DPMr.RichardMcMullenUnit1andtheneedfordesignandconstructionmodificationatUnit2shouldbethoroughlyaddressedbytheUtility.WelookforwardtoreceivingacopyofNiagaraMohawk'sresponsestothebalanceofthequestionsrelatingtotheUnit2geologicinvestigation.Sincerely,~/'j.Lkkl'HOMASA.ILKINSONDistrictGeologist

U.S.NUCLEARREQULATORVCOMMISSIONETTEVRCFoRM1962-7$)NRCOISTRIBUTlONFOR'ART50DOCKMARlALOOCKETNUMSER8V-2dO./FIIENUMSER0Mr.J.M.ToenniesNiagaraMohawkPwrCorpSyracuse,N.Y.FROM:DeptoftheArmyBuffalo,N.Y.14207PaulF.GaumeOATSOF0OCUMENTOATERECEIVEOIETTERC}ORIOINAI.PCOPVC1NOTORIZEO.~NCLASSIFIEOPROP~INPUT'0RMNUMSEROFCOPIESRECEIVEO/CC~ESCRIPTIONForwardingDeptoftheArmy'spermitallowingApplicanttoconstructasubmergedintakestructureandasubmergeddischarge.structureconnectedtoshorebytunnelNo1,andasubmergedintakestructureconnectedtoshoreNo2inLakeOntarioat:SubjectFacility,OswegoCounty,NYPLANTNAME:NINEMILEPOINTUNITS1Bc2jcm06/07/78JIt=WC.CFORACTION/INFORMATION.ENVIROÃiENTALASSIGNEDAD:CHCHIEF:PROJECTMANAGER:LIC.ASST:BRANCHCHIEF:uolte.is>UOCAUemR5B-<<.4B.HARLESSINTERNALDISTRIBUTIONSYSTEMSSITESAFETYQENVIRONAVALYSISDENTONCNJLLERTGOSS'ICKGSTAFFEVGIVEERIVGTDTTOCTRSVVIRONTECHERNSTBALL~CTORSAFETYROSSiVOVAKILL(2)ROSZTOCZYCHECKVOLWRYSISPDR:TICCBEGV(J.HAilCHETT)16CYSSENTCATEGOR.EXIERNALDISTRIBUTIONCONTROLNUMBER7-~.i'O;i-