ML17037C189

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Letter Regarding a Telephone Conversation on August 15, 1975 Requesting Informing Concerning Potential Operational Limitations of the Onsite Standby Emergency Diesel Engines
ML17037C189
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 09/30/1975
From: Lear G
Niagara Mohawk Power Corp
To: Rhode G
Niagara Mohawk Power Corp
References
Download: ML17037C189 (4)


Text

SEP 3 0 t975 Docket No. 50-220 Niagara Mohawk Power Corpoxation ATTN: Mr. Gerald K. Rhode Vice President - Engineering 300 Erie Boulevard West Syracuse, New York 13202 Gentlemen:

As discussed in a telephone conversation on August 15, 1975 between hfr. C. Mangan and Mr. W. Norwicke of Niagara Mohawk Power Corporation and Mr. J. Guibert and her. F. Clem)nson of the U. S. Nuclear Regulatory Commission, we require information concerning potential operational limitations of the onsite standby emergency diesel engines for Nine Mile Point Unit 1. In this regard, your rosponse to the following is requested:

(a) For each modol diesel engine and its associated subsystems, describe and discuss any known lim~tations on continuous operation for considerable lengths of time (at least thirty days) at rated speed and for all power output levels.

(b) Identify the following:

(1) the components or subassemblies that impose the limitations.

(2) the most adverse consequence should the limitations be disregarded.

(3) the possible design modifications 'and/or alterations which you believe will permit the diesel engine to overcomo any limitations and to meet its intended function.

(c) With these limitations discussed above, provide the power output versus operating time in either tabular or graphical form over the entire poser output ronde of the diesel units (i.e., 100 percent of rated power to zero power output).

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0 U R N A M K 3n DATR 3P'orm AEC 318 (Rcv. 9.33) AECM 0240 Q U, DI OOVERNMENT PRINTINO OPPICCI IOT4 520 100

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Niagara Mohawk Power Corporation 2 SEp 3 p tepg Please contact us if you desire any clarification of the information requested.

Sincerely, George Lear, Chief Operating Reactors Branch I'3 Division of Reactor Licensing cc: Arvin E. Upton, Esquire DISTRIBUTION:

LeBoeuf, Lamb, Leiby 5 MacRae Docket 1757 N Street, N. lf. NRC PDR tfashington, D. C. 20036 Local PDR ORB-3 Reading Anthony Z. Roisman, Esquire Attorney, OELD Roisman, Kessler and Cashdan Olt'TE (3) 1712 N Street, N. if. KRGoller Washington, D. C. 20036 TJCarter GLear Dr. l'filliam Seymour, Staff Coordinator JGuibert New York State Atomic Energy Council CParrish New York State Department of Commerce FClemenson 112 State Street DFischer Albany, New York 12207 VBenaroya TIppolito Oswego City Library RTedesco 120 H. Second Street VStello Oswego, New York 13126 TBAberaathy, DTIE ACRS (16)

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