ML20140D637
| ML20140D637 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 03/19/1986 |
| From: | Adensam E Office of Nuclear Reactor Regulation |
| To: | Farrar D COMMONWEALTH EDISON CO. |
| Shared Package | |
| ML20140D641 | List: |
| References | |
| NUDOCS 8603260397 | |
| Download: ML20140D637 (2) | |
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March 19, 1986 Docket Nos: 50-373 and 50-374 Mr. Dennis L. Farrar Director of Licensing Commonwealth Edison Company P.O. Box 767 Chicago, Illinois 60690
Dear Mr. Farrar:
Subiect:
Qualification of Diesel Engine Mounted Control and Monitoring Instrumentation at the La Salle County Station, Units 1 and 2 By letter dated December 4, 1985, you submitted the results of a qualification test program for vibration aging of the engine mounted control and monitoring instrumentation for la Salle County Station. The results showed that except for two General Electric (GE) control switches'per engine, all equipment, control, and monitoring instrumentation is qualified with respect to diesel vibration for the life of the plants (11,500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br /> of diesel generator operation). Tre GE switches will be removed from the engine prior to start-up after the first refuel-ing outage for each unit, as committed to within each license.
The NRC staff has reviewed the information end the enclosed Safety Evaluat on finds the test results and commitments acceptable.. Therefore, License Conlition 2.C.(21)(c) for La Salle Unit 1 and License Condition 2.C.(12)(a) for La Salle Unit 2 will be satisfied when the GE switches are removed from the engine.
Sincerely, 1
OL 44w Elinor G. Adensam, Director RWR Project Directorate No. 3 Division of BWR Licensing
Enclosure:
As stated cc: See next page
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B603260397 860319 PDR ADOCK O 33 P
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-a Mr. Dennis L. Farrar La Salle County Nuclear Power Station Commonwealth Edison Company Units 1 & 2 cc:
Philip P. Steptoe, Esquire John W. McCaffrey Suite 4200 Chief, Public Utilities Division One First National Plaza 160 North La Salle Street, Room 900 Chicago, Illinois 60603 Chicago, Illinois 60601 Assistant Attorney General 188 West Randolph Street Suite 2315 Chicago, Illinois 60601 Resident Inspector /LaSalle, NPS U.S. Nuclear Regulatory Commission Rural Route No. 1 Post 0Ffice Box 224 Marseilles, Illinois 61341
' Chairman La Salle County Board of Supervisors La Salle County Courthouse Ottawa, Illinois 61350 Attorney General 500 South 2nd Street Springfield, Illinois 62701 Chairman Illinois Commerce Commission Leland Building 527 East Capitol Avenue Springfield, Illinois 62706 Mr. Gary N. Wright, Manager Nuclear Facility Safety Illinois Department of Nuclear Safety 1035 Outer Park Drive, 5th Floor Sprin~gfield, Illinois 62704 Regional Administrator, Region III U. S. Nuclear Regulatory Commission 799 Rossevelt Road Glen Ellyn, Illinois 60137