ML17258A788

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Forwards Proprietary & Nonproprietary Versions of Low Pressure Turbine Disk Info, in Response to NRC 800225 Request.Proprietary Version Withheld (Ref 10CFR2.790)
ML17258A788
Person / Time
Site: Ginna Constellation icon.png
Issue date: 02/12/1981
From: MAIER J E
ROCHESTER GAS & ELECTRIC CORP.
To: EISENHUT D C
Office of Nuclear Reactor Regulation
Shared Package
ML17258A789 List:
References
NUDOCS 8102180271
Download: ML17258A788 (6)


Text

HlREGULATORY I)RMATION DISTRIBUTION SYS(RIBS)ACCESSION NBR:8102180271 DOCBDATE:

81/02/12NOTARIZED:

NODOCKETFACIL:50240RobertEmmetGinnaNuclearPlantiUnit1FRochester G05000244AUTHINANEAUTHORAFFILIATION HAIERgJ~E~Rochester Gas8ElectricCorp,RECIP,NAMERECIPIENT AFFILIATION EISENHUTEDBC.

DivisionofLicensing

SUBJECT:

Forwardsproprietary 8nonforoprietaryversions'f "LowPressureTurbine.Disk.Infoi'!.inresponse.to.

NRC800225.-requestsProprietary versionwithhed(ref10CFR2~790),SSS.Pied.Eam~)type'B'AV-y DISTRIBUTION CODE$PA01SCOPIESRECEIVED:LTR

+ENCL+SIZEDTITLE:Proprietary InfoafterIssuanceofLicenseNOTES:1copy:SEPSectsLdr~asHe~8~A.'E~7RECIPIENT COPIESIDCODE/NAME LTTRENCLIACTION:CRUTCHFIELD10SNAIDERrR~11RECIPIENT I0CODE/NAt<E CRUTCHFIELD02COPIESLTTRENCL770500024Ll INTERNAL:

ILEOELDEXTERNAL:

ACRSNSIC09192210161610REGFILLPDR01011100)9gggTOTALNUMBEROFCOPIESREQUIRED:"

LTTR+ENCL~l AFfiPIIII

///////////

II/////El//////EN'OCHESTER GASANDELECTRICCORPORATION SR~,':.-.

A89EASTAVENUE,ROCHESTER, N.Y.14649JOHNE.MAILERVICEPRESIDENTTEECPHONC

  • RCAcoDE7ld546-2700February12,1981Nr.DarrellC.Fisenhut, ActingDirectorDivisonofOperating ReactorsOfficeofNuclearReactorRegulation U.S.NuclearRegulatory Commission Washington, DC20555

Subject:

Supplemental Information inResponse, toNRCRequestforInformation ofFebruary25,1980,RelativetoLowPressureTurbineDis'cIntegrity R.E.GinnaNuclearPowerPlant,UnitNo.1DocketNo.50-244

DearNr.Eisenhut:

Enclosedare:1.Onecopy2.Onecopy-AppendixA(Proprietary)

-Updatedresponses toQuestion1-d.-AppendixB(Non-Proprietary)

-Updatedresponses toQuestion1-d.Alsoenclosedare:1.OnecopyofApplication forWithholding AN-80-3(Non-Proprietary).

2.OnecopyofAffidavit (h'on-Proprietary).

'Ã~kLt'I>%;&~I1"gfg)I,a(C"isIChalThepurposeofthisletteristoprovideyouwithupdatedinformation inresponsetoyourrequestforinformation ofFebruary25,1EI80relativetoturbinediscintegrity.

OuroriginalresponsedatedMarch19,1980contained theresultsofsite-specific calculations, torespondtoguestion1-dofyourletter.Thesecalculations havenowbeenrepeatedemploying amoresophisticated calculational model,whichnowaccountsforthermalandsteambendingstresses, andarevisedcorrelation forcalculating thecrackgrowthrate.Theresultsofthesecalculations arepresented intheattach-mentswhichconstitute arevisiontoApppendix A(proprietary) padAppendixB(non-proprietary) ofourprevioussubmittal.

P/8IoIi/g(r".I-C"P810SI88'(

0IHI ROCHESTER GASANDELECTRICCORP.February12,1981Mr.DarrellC.Eisenhut, ActingDirectorSHEETNO.Theattachedsitespecificresponses (Appendix A)containproprietary information oftheNestinghovse ElectricCorporation.

Acopyofthepreviously submitted Application forNithholding Atl-80-('3) datedMarch14,1980andtheassociated affidavit isattachedandisequallyapplicable tothisnewmaterial.

Accordingly, itisrequested thatthesubjectNestinghouse proprietary information bewithheldfrompublicdisclosure inaccordance withtheprovisions of10CFR2.790oftheCommission's regulations.

Correspondence withrespectto,theaffidavit, orappli-cationforwithholding shouldreference AN-80-(3) andshouldbeaddressed toHr.E.J.Barsness, Manager,CRDiscProgram,Nestinghouse ElectricCorporation, SteamTurbineDivision, N206)LesterBranchBox9175)Philadelphia, PA19113.Verytrulyyours,JonE.MaierEnclosure Subscribed andSworntomeonthis/+~dayofFebruary1981.SHARONG:CAVALERIlfOTARYPUBLIC,StateofN.Y.,MonroeCounty.MyCommission ExpiresMarch3019P'J