ML19208B387

Responds to IE Bulletin 79-07, Seismic Stress Analysis of Safety-Related Piping. Complete Analysis Will Be Forwarded in Sept 1979 W/Publication of NEDO-24210, Pisys Analysis of NRC Benchmark Problems.

ML19208B387
Person / Time
Site:	LaSalle
Issue date:	08/13/1979
From:	Reed C COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 7909200139
Download: ML19208B387 (2)

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':ub j e c t : f,o fic i. le Cou n Ly ';i.. ' t j on Un i i:a L ;rl 2 Cuppleuantal Ru ,pon';o to .tH Pulletin 73-07, ":iainrai.c Strans Analynia of Sa Ce ty-nela tr/d P i. ping"

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Referencen (a) : C. Reed letter co J. G. ICc ppl e r dated June 1, 1979 (b) : R. L. Gridic.y letter to D. G.

i'icenhut datal July 31, 1979 amar Iir. Meppler:

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ir rence (a), ' u ' r a l :1 - .: 1. r i

. c gle'nned to an.' lyze five (S) b :nch:: ark ;> roble w as ' En cLh 2r .

ve ri f i_ct' t i.on o f the P Uiri cora,pula r co:la , which va.; n nl or n i. : n a ic pi. ping analyni.a on L.'Sille <:auaty Unita 1 nel 2. l'h o re.ults of .: h i s u n' 1 p i. , u a r o all t .i L ia .d t o the .:ncio :r 1 gulatory Co...ai.a n j on (IJC) by R.rforance (b) . For all f i ve probicma, the PLSYS reoulta foe Ercoue ncy and nu<1a l p , r t i ci pa--

tion factora t.;re cho'.7n to ha in agrer: 2nt with the c.aC probica d o ':i n it ionr . 'che lettnr oE noti.ication, Re fer :nce (b) ' ill be

t. a l l o . c d in n! <!-Sept: . ';r ., l' 79 ' tii:h the public.:t ica o f L.ha r :ults in '. :00-N 210, " P i SY: 2 Analynio of :,RC nench:a ark Probb .a (JS, 323.a, b, 101 and 803)." That documentation vill complete the Co:1nonwealth Edi. con response to nulletin 79-07 for LaSalle County Unita 1 ind 2.

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