ML20069G606
| ML20069G606 | |
| Person / Time | |
|---|---|
| Site: | Clinton  |
| Issue date: | 03/23/1983 |
| From: | Wuller G ILLINOIS POWER CO. |
| To: | Schwencer A Office of Nuclear Reactor Regulation |
| References | |
| L30-83(03-23)6, L30-83(3-23)6, U-0620, U-620, NUDOCS 8303280092 | |
| Download: ML20069G606 (1) | |
Text
n_OiB Power Company U-062 t39_93(o3-23)6 500 SOUTH 27TH STREET, P. O. BOX 511. DECATUR, ILLINOIS 62525-1805 Docket No. 50-461 March 23, 1983 Director of Nuclear Reactor Reguiation Attention: Mr. A. Schwencer, Chief Licensing Branch No. 2 Division of Licensing U.S. Nuclear Regulatory Commission Washington, D.C.
20555
Dear Mr. Schwencer:
Clinton Power Station Unit #1 Analog Trip Modules & Optical Isolators (SER Confirmatory Issue #26)
This and design of the optical isolators used in the Clinton Powerlette Station (CPS).
qualified to meetThe optical isolators used at CPS have been IEEE 323-1974 and IEEE 344-1975 standards.
The qualification program included the review of aging, environmental and electromagnetic interference affects. seismic, l
optical isolators used in the NSSS systems are of the same design The l
as those used at the Grand Gulf Station.
)
NSSS optical isolators is similar to that used for the NSSS andThe design of the non-the requirements for physical independence in Regulatory meets Guide 1.75.
We feel this information is sufficient to close SER Confirmatory Issue #26.
Please let us hear, at your earliest you have any questions.
convenience, if Sincerely, G. E. Wuller Supervisor-Licensing Nuclear Station Engineering JP0/LG/j mm cc:
H. Abelson, NRC Clinton Proj ect Manager R. A. Kendall, ICSB, NRC H. H. Livermore, NRC Resident Inspector Illinois Department of Nuclear Safety 8303280092 830323 G ()C) I PDR ADOCK 05000461 E
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