ML18025A297

Susquehanna Units 1 and 2 - Letter Responding to Letters Dated April 17, 1975 and April 23, 1975 and Informing the NRC That a Schedule and Program for Resolution of This Matter Is Being Developed in Conjunction with Other Utilities Owning M

ML18025A297
Person / Time
Site:	Susquehanna
Issue date:	05/08/1975
From:	Curtis N W Pennsylvania Power & Light Co
To:	Butler W R Office of Nuclear Reactor Regulation
References
840-2, ER 100450, PLA-66
Download: ML18025A297 (3)

Text

NIIC.DIB1RIBUTIONiORPART.">0DOCKET~iriATER AL(TEI(rIPORARY FORfvl)0CONTROLNO:Wi~+VFILE.FRONt.i'ennsylvania Power&LightAllentown, Pa.Co.NormanW,CurtisTO:Dr,HalterR.ButlerDATEOFDOC5-8-75ORIG1SignedDATEREC'D512rr75CCOTHERLTRTWXRPTXX'ENTAECPDRSENTI.OCALPDROTHERCLASSUNCLASSXXXPROPINFOINPUTDESCRIPTION:Ltr,advisingwillprovidescheduleforsubm.req.containment designinf,6Eval.bytheweof6275o~~~o~NOCYSREC'D1ENCLOSURES:

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LAB1-G.ULRIKSON, O1-AGMED(RUTr!Cv'S-"Ai')RrriB-127GT1-J.D.RUI'ANKLES, RrnE201GT PP@ILTWONORTHNINTHSTREET,ALLENTOWN, PA.18101PHONEst215)821-5151May8,1975DocketNos.50-3875O-388Dr.WalterR.Butler,ChiefLightWaterReactorsBranch1-2DivisionofReactorLicensing U.S.NuclearRegulatory Commission Washington, D.C.20555SUSQUEHANNA SESADDITIONAL INFORMATION

-CONTAINMENT DESIGNERloo45OFILE840-2PLA-66y1t.~s/sC

DearDr.Butler:

Youhaverecentlytransmitted.

two(2)letterstousrequesting additional information relativetothedesignofMarkIIcontainments toaccountforsuppression pool,hydrodynamic loadsthatoccurduringlossofcoolantaccidents (letterdatedApril17,1975)andsafety/relief valvedischarge events(letterdatedApril23,1975).Inresponsetotheseletters,we(willprovideyouwithourscheduleforsubmitting therequested.

containment designinformation and.evaluations bytheweekofJune2,1975)Thisscheduleandaprogramforresolution ofthismatteris'beingdeveloped inconjunction withotherutilities owningMarkIIcontainments and.theGeneralElectricCompany.Asdiscussed.

withMr.J.M.Cutchin,thescheduleforourresponsetoItem1ofyourMarch14,1975letter(regarding thedesignofwetwelltodrywellvacuumbreakers) willbeincludedwiththeschedules mentioned above.Vrytryyours,NormanW.CurtisVicePresident-Engineering 8Construction CTC:JMRPENNSYLVANIA POWER8LIGHTCOMPANY yrykh'ICk~k~y<<'ClfCr"I~~'hr,Cfrr~Ih~F~V~.~yyCrr~Lh~'~'~r~r