ML20113A904
| ML20113A904 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 03/18/1985 |
| From: | Mangan C NIAGARA MOHAWK POWER CORP. |
| To: | Starostecki R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| (55(E)-85-04), (55(E)-85-4), NMP2L-0366, NMP2L-366, NUDOCS 8504100736 | |
| Download: ML20113A904 (2) | |
Text
r-N3tME NIAGARA ISONAWK POWER CORPORAT10N/300 ERIE BOULEVARD WEST, SYRACUSE, N.Y.13202/ TELEPHONE (315) 474-1511 k
i March 18, 1985 (NMP2L 0366) l Mr. R. W. Starostecki, Director U.- S. Nuclear Regulatory Commission Region I i
Division of Project and Resident Programs 631 Park Avenue King of Prussia, PA 19406 Re: Nine Mile Point - Unit 2 Docket No. 50-410 i
i
Dear Mr. Starostecki:
Enclosed is. a final report in accordance with 10CFR50.55(e) for the problem concerning heat dissipation in diesel generator control panels.
This problem was reported via tel-con to W. Lazarus of your. staff on February 14, 1985.
l Very truly yours,
\\
C. V. Mangan i
Vice President Nuclear Engineering and Licensing I
CVM/GG:cla (0828H)
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xc: Director.ofiInspection and Enforcement U. S.' Nuclear. Reculatory Commission Washington, DC: 20555--
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NIAGARA M0 HAWK POWER CORPORATION NINE MILE POINT - UNIT 2 DOCKET NO. 50-410 Final Report for a s'roblem Concerning Heat Dissipation in Diesel Generator Control Panels (55(e)-85-04)
Description of -the Problem The problem concerns diesel generator control panels, 2CES*PNL407 and 412, supplied by Cooper Energy Services.
The vendor informed Stone & Webster that if the non-Category I control panel heater failed "On" while the generator is running, the heat rise would be above the maximum allowable for the panel.
Analysis of Safety-Implications The heat rise above the maximum allowable could have resulted in the loss of the panels and thus the loss of Division I and II diesel-generator power sys tems.
Therefore, had this condition remained uncorrected, it could have adversely affected the safety of operations of the plant.
Corrective Actions The panel doors have been modified to provide adeqnte ventilation for the heat dissipation.