ML17037C471
ML17037C471 | |
Person / Time | |
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Site: | Nine Mile Point ![]() |
Issue date: | 05/30/1975 |
From: | Lear G Office of Nuclear Reactor Regulation |
To: | Rhode G Niagara Mohawk Power Corp |
References | |
Download: ML17037C471 (4) | |
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Category:Letter
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DISTRIBUTION:
NRC PDR t,lAY 3 0 i975 Local PDR'ocket ORB¹3 Rdg KRGoller I
Docket No. 50-220 TJCarter GLear CJDeBevec PDiBenedetto Niagara Mohawk Power Corporation SATeets ATTN: Mr. Gerald K. Rhode DRoss Yice President - Engineering OELD 300 Erie Boulevard Nest OIGE (3)
Syracuse, New York 13202 ACRS (14)
Gray file Gentlemen: extra cps (5)
It has been brought to our attention that General Electric has developed a new calculational method for determining void coefficients.
The void coefficients are used in the transient analysis to determine the change of peak pressure and Minimum Critical Power Ratio limits associated with GETAB/GEXL Technical Specifications. To maintain the required conservatism in transient analyses it will be necessary to use the void coefficient determined by the new calculational method. Therefore, you are requested to inform the Nuclear Regulatory Commission, within 10 days from geceipt of this letter, as to how the new void coefficients will be accounted for in your forthcoming GETAB/GEXL submittal.
This request for generic information was approved by GAO under a blanket clearance number B-180225 (R0072); this clearance expires July 31, 1977.
Sincerely, (s/
George Lear, Chief Operating Reactors Branch ¹3 Division of Reactor Licensing cc: See next page ORB¹~3 ORB¹ OPPIC4$
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Arvin E. Upton, Esquire LeBoeuf, Lamb, Leiby 5 MacRae 1757 N Street, N. N.
1'lashington, D. C. 20036 Anthony Z. Roisman, Esquire Berlin, Roisman 5 Kessler 1712 N Street, N. N.
l~lashington, D. C. 20036 Dr. William Seymour, Staff Coordinator New York State Atomic Energy Council New York State Department of Commerce 112 State Street Albany, New York 12207 Oswego City Library 120 E. Second Street Oswego,. New York 13126