ML20214G784

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Summary of 770615 Meeting W/Utils & GE Re Mark II Containment Pool Dynamic Loads.List of Attendees Encl
ML20214G784
Person / Time
Site: Nine Mile Point, Susquehanna, Columbia, Limerick, LaSalle, 05000000, Zimmer, Shoreham, Bailly
Issue date: 06/23/1977
From: Anderson C
Office of Nuclear Reactor Regulation
To:
Office of Nuclear Reactor Regulation
References
CON-WNP-0183, CON-WNP-183 NUDOCS 8605220501
Download: ML20214G784 (2)


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' 7es'S ',1?CIE'R FFaIH.T NO. 2, ' IIP ?'III NPTT 'trLFan STATIO:? INIT : 0. 2 CU".r;yT: mangy cp M.p7t;;G i Tito q: Jt:E 15, 1977, TO DISCIISS "APJ-: II CO'. tai?.'T.'.T PCSL DY'D."IC IA'85 A 'veti:c *:as Feld on Jtme 15, 1977, betecen representatives of the :'arh II c."ners from, the rnneral Electric Cc g ny and the "RC. The pu gose of the racting 1:as to discuss Icad strrcture inter.,ctic.ns related to the do :nconer lateral loads and draft questiens dealing. i:ith recent

'"arh II pool dynamic topical reports. The attendecs list is atteched.

Ceneral T1cctric provided clarification of the dowcor.er lateral lond to H used in t e Short Tem Trocras' (STP). The STP lateral load consists of the Ica:i as srecifica in the current .N fnaric Torcing Function "eport (3FP). "'Ms load is based on GE licensee data. "ecent .tT <'.ata have been shitted to confim rthe DFFR load. ': *e co rented that the derrce of conservatis a in the jFFR Jnteral load has not been establis' ed. The mjor Jeteral load issues thst retain unresolved at th is tim are: Ioad

, :tructure interaction concerns in t'le test Siciliti6s and specific

arh II plents, the data base to confim t'te PFFR rultivent Isteral lon.1 specification and the data base for the DFR dynaic lateral 1 cad.

TLese ite:s ';ill be discussed at the next i' ark II cir.ers r.rcirp ' ecting in July.

A deficiency of data fron the 4T tests dealing vith the peak positive pressure differential bet' men the drwell an! retvell tras highlisteri.

i rencral Flectric at:rced to provide these dcta in a letter su5pissien to the :PC. Other infor"ation deficiencies dealing with recent "ork II L I' col Dpraic topical reports rero discussed. In each area it *.as detoinined that cur draft questicas fall in one of t ro caterories.

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rbiSion of th0 OFFR, resDouf 0 to a previdis n 2stion, etter ru',-

' er. cs~1u .}7tal or tho r. ifoWation 't:~:f not'necc.ed. - ~~'

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  • . TC 3:9 L.. 0 5 3) A"C C C 43 *,. : . L m t+ w n.r p s.n.ti .2 c aic ts i t ?4.e .i* e 8605220501 770623 PDR ADOCK 05000322 .

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1 d e pre: rd' nur cc :cera t' at t' e 27 val :T:'T test rmits ?o r.ot s' o :

, t? at t' c current nFR u:f r r, ncel F ull hel;.*:t criterien is co :wirrtive.

" x cr vford stated t:uit a rcvi:.e' Pri" criterion is ;nier cce.si?c' atie: r .

~;'.is revised criterion
ill La Jircuc.Ted in t' c July "ari II c rcrs t  : .rct ,) e? ting.

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, 'h nido d!rcusse I plens .'or t':e July " ark IIW. ncrs Creup reetinc.

'd ts r. eting is tentatively schMuled for July 27 nnd 23 in Sr.n Jose.

Ttc"s to 1e incite:cd in t'.e ape:'a include:

- iho 4T ',cun.1ing low!s report (to be ir.st:ed Jin.c 1977).

- FE licensec 8tcan lot! reports

- it;'dnto of "erk II r altivent stenn tests-

- Finn 1 !baticello SW test repert

- Confir..atica of the ET.V :naly tic:1 rodel rith test ?nta

- C/. OPE.0 .".V tests - updato

" ::rk II Leng Tem Prcr.rm (resed s:rpperting pror.rs. renart)

- Po. c.comr lateral loads

- Firid sttuctures i!tterection

- Fotal 2 ruestiois

- EP'd/?echtel " ark II m1tivent cir tests

- hvised DFF2 rexit n pool heifit criterien.

"e e phasized the r,ced for receipt of related reports on schecule.

If re do r.ct receive inferr.stion related to the s';ove areas in sufficient

. tino to alloi a revier of the informtion prior to the July reeting, the need for a July recting t:culd than 1.eco"c questionchle.

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CliUnrel Anderson, Task I*annt;er

! ' - Containmnt Systers iiranch i Division of Systens Fnfety cc: R. Tedesco i J. ISdrick i T. Fu li SS.i'J iner P. Kuo F. Tchcuor J. Glynn C. Crir:cs

. C. Anderson DISTRIBLIFION l Cental files -

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