ML19322C733

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Forwards Review of BAW-10062,Revision 1,BAW-10074,Revision 1 & BAW-10075,Revison 1,re Multinode Analysis of Small Breaks for B&W 145-Fuel Assembly,205-Fuel Assembly & 177-Assembly Plants,Respectively.Repts Acceptable
ML19322C733
Person / Time
Site: Crane Constellation icon.png
Issue date: 01/08/1973
From: Schwencer A
Office of Nuclear Reactor Regulation
To: Suhrke K
BABCOCK & WILCOX CO.
Shared Package
ML19322C734 List:
References
TASK-TF, TASK-TMR 760108, NUDOCS 8001220334
Download: ML19322C733 (3)


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f. NUCLEAR REGULATORY COf.1MISSl[

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JAN. 0 81978

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j Mr. Kenneth E. Suhrke Manager, Licensing Babcock & Wilcox Company Nuclear Power Generation P. O. Box 1260

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Lynchburg, Virginia 24505 Decr Mr. Suhrke:

We have coopleted our review of the non-proprietary B&W topical reports BAW-10062, Rev. 1, ":!ultinode Analysis of S=all Breaks for BSU's 145-Fuel l

Assembly !!uclear Plants with Interr.als Vent Valves," ar.d BAW-10074, P.ov.1, i

"Multinode Analysis of Small Breaks for BSW's 205-Fuel Assembly Nuclear Plants with Internals Vent Valves," and BAW-10075 Rev.1, ":hltinode Analysis of Small Breaks for S&W's 177-Fuel Assembly Nuclear Plants with Raised Loop Arrangement and In*ernals Vent Valves." A copy of our m

evaluation is enclosed.

From our review, we conclude that the analytical methods and codels used in these three topical reports meet the require =ents of 10 CFR 50 Appendix X.

The results presented are acceptable for referen:e in l

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licensing actions, with one exception for BAU-10075 on the 177-FA plant.

This report does not contain results for,the core flood tank lino break.

as do the other reports, but indicates that these results are furnished in the plants' safety analysis reports.

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We do not intend to repeat our review of BAW-10062, BAW-10074, or BAW-10075 when these are referenced in Individual licensing actions.

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l We request that DEU issue a revised version of these reports within three months of receipt of this letter to include the NRC acceptance letter.

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-JAR. 08 t075 A Mr. Kenneth E. Suhrke.

If our criteria or regulations chinge, such that our conclusions regarding BAW-10062, Rev. 1. BAW-10074, Rev. 1 i

we will notify you.and give you oppor,tunity to. revise and, if you de resubmit these topical reports for review.

Sincerely.

a a a a e t- :-

A. Schwencer, Chief i

Light Water Reactors 3 ranch 2-3 Division of Reactor Licensing

Enclosure:

As stated cc w/ enc 1:

l R. Borsun, 25V l

Tennessee Valley Authority ATTN: Mr. James E. Watson Manager of Power 818 Power Building

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i Chattanooga, Tennessee 37401 Toledo Edison Company ATTN: Mr. Lowell E. Roe l

Vice President. Tacilities Development Edison Plaza 300 Madison Avenue l

Toledo Ohio 43652 1.

l Power Authority of the State of New Tork f

ATTN: Mr. George T. Berry l

Ceneral Manager & Chief Engineer

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10 Columbus Circle New York, New Tork.10019 i

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JAN,0 81978 6b C

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Mr. Kenneth E. Suhrke.

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Detroit Edison company ATTN: Mr. Arthur B.. Harris Project Manager 2000 Second Avenue Detmit, Michigan 848226 Virginia Electric & Power company ATTN: Mr. Stanley Ragone Senior Vice President P. O. Box 26666 Richmond, Virginia 23261

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Portland General Electric Comp &ny

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ATTN Mr. Joseph L. W1111ms

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-s-Ylee President Engineering-Construction 621 Southwest Alder Street

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Portland, Oregon 97205 T-Washington Public Power Supply System s-ATTN: Mr. J. J. Stein

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Managing Director P. O. Box 968 3000 George Washington Way T,,

Richland, Washington 9935,2

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