ML18094A032

Re Suppression Pool Temperature Transients

ML18094A032
Person / Time
Site:	Nine Mile Point
Issue date:	12/23/1977
From:	Dise D Niagara Mohawk Power Corp
To:	Lear G Office of Nuclear Reactor Regulation
References
Download: ML18094A032 (1)

Text

Donald P. Disc NIAGARA MQHAwK PowER coRPQRATIQN/300 ERIE BQULEYARD wEsT. BYRAcUBE, N.Y. 13202/$ ELEPHQNE (315) 474-1511 Vice President Engineering December 23, 1977 Director of Nuclear Reactor Regulation Attn: Mr. George Lear, Chief Operating Reactors Branch //3 U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Re: Nine Mile Point Unit 1 Docket No. 50-220 DPR-63 Gentlemen:

In response to your letter of December 9, 1977 regarding Nine Mile Point Unit 1 Suppression Pool Temperature Transients, we will perform the analysis required to provide the information which you have requested. Preliminarily, we estimate that a minimum of seven months will be required for completion of this analysis and submittal of the required information.

We require clarification from your staff on the design basis and assumptions to be used for the analysis. For example, the bulk pool temperature of 120F in Part A.l(c) is not con-sistent with the Nine Mile Point Unit 1 Technical Specifications.

Within two weeks of this letter, we will submit all items which require clarification. After these items are resolved, work on this analysis will begin.

Very truly yours, NIAGARA MOHAWK POWER CORPORATION Donald P. Disc Vice President-Engineering

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