ML19290E139

Forwards Small Break W/Failed Power Operated Relief Valve, in Response to NRC .Small Breaks in Primary Sys Will Not Cause Repressurization to Setpoint Unless All Feedwater Is Lost to Steam Generator

ML19290E139
Person / Time
Site:	Rancho Seco
Issue date:	02/21/1980
From:	Mattimoe J SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:	Ross D NRC - TMI-2 BULLETINS & ORDERS TASK FORCE
Shared Package
ML19290E140	List: ML19290E139 ML19290E141
References
NUDOCS 8003040412
Download: ML19290E139 (1)

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SACRAMENTO MUNICIPAL UTILITY DISTRICT O 6201 s street. Box 15830, sacramento, California 95813. (916) 452-3211 February 21, 1980 Mr. D. F. Ross, Jr., Director Bulletins and Orders Task Force Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Docket No. 50-312 Rancho Seco Nuclear Generating Station Unit No. 1

Dear Mr. Ross:

The Sacramento Municipal Utility District herein foivards the. analysis of a small break which repressurizes to the PORV set point.

Item 2.b of Attachment A to Enclosure I of your Auaust 21, 1979 letter required this analysis.

Sincerely, D. k Joh J. Mattimoe Assistant General Manager and Chief Engineer Enclosure Goo 3 S

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