ML19249B803

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Responds to DF Ross 790604 Request to Tm Anderson of Westinghouse Re Small Break LOCA analyses.WCAP-9600, Previously Forwarded,Reflects General Sys Behavior.Studies Are Underway Re Applicability of Analytic Scenarios
ML19249B803
Person / Time
Site: Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date: 08/28/1979
From: Counsil W
CONNECTICUT YANKEE ATOMIC POWER CO.
To: Ziemann D
Office of Nuclear Reactor Regulation
References
NUDOCS 7909050386
Download: ML19249B803 (1)


Text

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T CONNECTICUT YANKEE ATO M IC POWER COMPANY

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BERLIN. CONNECT 1 CUT

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P O. BOX 270 H ARTFORD. CONN ECTICUT 06101 Tr t s mo= r 203-666 6911 August 28, 1979 Docket No. 50-213 h

Director of Nuclear Reactor Regulation Attn:

Mr. D. L. Ziemann, Chief Operating Reactors Branch #2 U. S. Nuclear Regulatory Commission Washington, D.

C.

20555

References:

(1)

Dr. D. F. Ross letter to T. M. Anderson (Westinghouse Electric Corporation) dated June 4, 1979.

(2) WCAP-9600.

1-Gentlemen:

Haddam Neck Plant Small Break LOCA Analyses 1

By Reference (1), Connecticut Yankee Atomic Power Company (CYAPCO) was re-quested to provide additional information regarding small break LOCA analyses.

Accordingly, Reference (2) was provided in accordance with the scope and schedule agreed upon with the NRC Staff.

4 CYAPCO's review to date of Reference (2) has determined that the docketed i

analyses adequately reflect the general system behavior of the Haddam Neck Plant.

Because of some of the unique features and characteristics d

of the Haddam Neck Plant, additional ef forts are underway to substantiate the degree of applicability of the more specific analytical scenarios. CYAPCO's current assessment is that these additional efforts will demonstrate the applicability of the substantive conclusions presented in Reference (2).

We will keep you advised of our progress, i

Very truly yours, A

CONNECTICUT YANKEE ATOMIC POWER COMPANY

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W. G. Counsil Vice President i

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Dr. Denwood F. Ross, Manager 5

Bulletins and Orders Task Force 7909050 3 S6 g

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