ML17037C375

Letter Regarding a Primary Containment Integrated Leak Rate Test on June 27 and 28, 1970 and Advising That the Present Test Is Well within Allowable Limits

ML17037C375
Person / Time
Site:	Nine Mile Point
Issue date:	11/03/1970
From:	Schneider F Niagara Mohawk Power Corp
To:	Morris P US Atomic Energy Commission (AEC)
References
Download: ML17037C375 (4)

Text

FROIIL DATE OF DOCUMEN1'. DATE RECEIVED

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POST OFFICE REG. NO 50 220 DEscRII'TIDN; (Must Be Uncfassified) REFERRED TO DATE RECEIVED BV DATE Ltr submitting pursuant to Para. 11-10 70 II. 3,3(EI) of Tech Specs "trans the folloving. ACTXO ENCLOSURES

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t Regulatory File Report Leak Test. Compliance (2)

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November 3, 1970 Dr. Peter A. Morris, Director Division of Reactor Licensing United States Atomic Energy Commission Washington, D. C. 20545

Dear Dr. Morris:

In the Technical Specifications for Nine Mile Point Nuclear Station, paragraph 4.3.3(d), we were required to conduct a primary containment integrated leak rate test within 12 months, plus or minus 8 months, of initial criticality. This test was conducted on June 27 + 28, 1970, (initial criticality was September 5, 1969), therefore within the time requirement.

We are pleased to report that at 22 psig, leakage by the reference method was 0.56~~ of the contained volume. The validity was checked at 0.57~ by pump-back. Inasmuch as the allowable operational leak rate has been established as 0 '7~a from initial test data, the present test is well within allowable limits.

Enclosed are forty (40) copies of the test for your distribution.

Compliance with Technical Specifications would require the next testing of the containment during mid-1972.

Very truly yours, F. . Schneider Vice President - Operations I l I PAB/lrs /~~

Enclosures DOCKETED USAEC NOV1 0 1970 >:/

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