ML19319E132

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Responds to AEC Re ECCS Performance & Advises That B&W Preparing Addl Info,Establishing Evaluation Model. 2,772 Mwt to Be Submitted as FSAR Revision Following Acceptance of Evaluation Method
ML19319E132
Person / Time
Site: Rancho Seco
Issue date: 10/01/1971
From: Davis E
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To: Morris P
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML19319E123 List:
References
NUDOCS 8003310638
Download: ML19319E132 (2)


Text

O DATE OF DOCUMENT:

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LtT"Sta"r'is"Ed'bT'NUreour8-11-71 W Ller 10- M1 ltr....adv B4Al is preparing addl inf w/91cys for ACTIOII Novak concerning ECCS performance Si adv power level 2772 1str will be submittel.

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Regulatory SACRAMENTO MUNICIPAL UTILITY DISTRICT C 6201 S Street Box 15230. Sacramento. California 95813; (916) 452-3211 M

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Dr. Peter A. Morris, Director W

Division of Reactor Licensing U. S. Atomic Energy Commission

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Dear Dr. Morris:

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Rancho Seco Nuclear Station, Unit No. 1 AEC Docket No. 50-312 Your letter of August 11, 1971 reauested further information concerning the performance of emergancy core cooling systems following a loss-of-coolant accident to assist you in your evaluation of the ECCS.

We are being kept apprised of your continuing discussions with our supplier, Babcock & Wilcox, concerning their analyses for our plant.

They are preparing additional information to establish an evaluation model which is acceptable to tha AEC for our plant and have scheduled documenta-tion subaittal during Septenber and October in the form of topical reports for a power level of 2365 MWt.

Additional information for the Rancno beco Nuclear Generating Station power level of 2772 MWt will be submitted as a revision to the FSAR following acceptance of the evaluation method.

We call your attention to the need for a timely review of the information submitted in view of our plant schedule.

Respectfully submitted SACRAMENTO' MUNICIPAL UTILITY DISTRICT

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General Counsel for Sacramento E. K. Davis Munic Qal Utility District General Manager By fi f,

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%gM trnas - lCommission expires January 12, 1972.

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