ML20079A876
| ML20079A876 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 01/23/1976 |
| From: | Mayer L NORTHERN STATES POWER CO. |
| To: | Stello V Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20079A878 | List: |
| References | |
| NUDOCS 9105220328 | |
| Download: ML20079A876 (2) | |
Text
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NOMTHEMN 5YATE5 POWEM COMPANY wiNNaapoue. wisus eov4 es oi
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Janua ry 23, 1976
,3 Mr. Victor Stello, Director
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Division of Operating Reactors 9"
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U.S. !?uclear Regulatory Consnission ad' washington, DC 20555
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Dear Mr. Stello:
MONTICELLO hUC1 JAR GENERATING PIA 1:T Docket No. 50-263 License No. DPR 22 Sunnary Technical Report of Pr', aary Contaitunent c;
Integrated Leakage Rate Test "Reacter Attached you will find 40 copies of the stu:enary technical report, Containment Building Integrated Leak T6.st - November, 1975." 1his report is submitted in accordance with Monticello Technical Specification 6.7.C.I.
As noted in the report, a defective ball valve on No. 3 Traversing Incore resulted in an initially measured leakage rate of approximately Probe (TIP) 1.5 wt %/ day. 'Atis is in excess of the acceptance criterion of 0.9 wt %/ day.
The leaking valve was located and closed and the test was satisfactorily In accord-cotopleted with a final measured leakage rate of 0.2456 we %/ day.
ance with our Technical Specifications, a Type A test will be scheduled during l
the next refueling outage.
l I
,/, @ w Yours very truly, 3
j.
L. O. Mayer, PE Manager, Nuclear Support Services q
LCH/IEM/ deb cc:
J. G. Keppler G. Charnoff MPCA Attn:
J. W. Terman I
Attachment l
9105220320 760123 i
PDR ADOCK ObOOO263 ep D
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