ML19211C509

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Responds to NRC Re NSSS Vendor & Fuel Supplier ECCS Evaluation Models Concerning Fuel Cladding,Swelling & Incidence of Rupture.B&W 791102 & 09 Responses to Concerns Are Adequate & Applicable to Facility
ML19211C509
Person / Time
Site: Rancho Seco, 050312E
Issue date: 01/02/1980
From: Mattimoe J
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To: Eisenhut D
Office of Nuclear Reactor Regulation
References
NUDOCS 8001110549
Download: ML19211C509 (1)


Text

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SACRAMENTO MUNICIPAL UTILITY otsTRICT O 6201 S street, Box 158'30,' Sacramento, California 95813; (916) 452-3211

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January 2, 1980 Mr. Carell G. Eisenhut Acting Director Division of Operating Reactors Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Conmission Washington, D.C.

20555 Docket No. 50-312 Rancho Seco Nuclear Generating Station, Unit No. 1

Dear Mr. Eisenhut:

This letter is in response to your letter of November 9,1979, which discusses your concerns with those portions of NSSS vendors' and fuel suppliers' ECCS evaluation models dealing with fuel cladding, swelling, and the incidence of rupture. The Babcock & Wilcox Company responded to these concerns with letters dated November 2,1979, November 9, 1979, and November 20, 1979.

The District has reviewed these responses and determined that they are both adequate and applicable to Rancho Seco, Unit No. 1.

If you have any questions please feel free to contact us.

Respectfully submitted, SACRAMENT 0 MUNICIPAL UTILITY DISTRICT ohn

. Mattimoe Assistant General Manager and Chief Engineer 1742 008 Subs ribed and sworn to before me this e/g day of January,1980

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