ML20138N562

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Provides Supplemental Response to Two of Four Open Items for Generic Ltr 83-28,including Seismic Qualification of Shunt Trip Components & Environ Qualification of Components Used for Automatic Shunt Trip Function
ML20138N562
Person / Time
Site: Byron, Braidwood, 05000000
Issue date: 12/19/1985
From: George Alexander
COMMONWEALTH EDISON CO.
To: Harold Denton
Office of Nuclear Reactor Regulation
References
1035K, GL-83-28, NUDOCS 8512240067
Download: ML20138N562 (1)


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).c Commonwealth Edison

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. One First NItionit Plus. Chic *gof Illinois j

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-' 7 Address Reply to: Post Office Box 767 -

(,f Chicago, Illinois 60690, R'

December' 19.-1985 Mr.-Harold'R. Denton, Director-

Office of_ Nuclear-Reactor Regulation c
U.S. Nuclear. Regulat'ory Connaission
Washington, DC =20555 iSubjects-! Byron and Braidwood Stations-Supplemental-Response to Generic ~ Letter 83-28 NRC Docket Nos.- 50-454/455 and 50-456/457 Reference-(a)

B.-J.LYoungblood letter to'D. L. Farrar dat'ed March 13.--1985

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Dear Mr..Denton:

-Reference (a) transmitted's Safety Evaluation Report for Item 4.3 of

' Generic Letter 83-28. -Four items were left open for future resolution. Two of-those' items have been reviewed by CECO with the following results:

a)..The_ shunt trip components have been seismically qualified, b)

The components used to accomplish the automatic shunt trip function are environmentally qualified for the location where they are

-installed.

The other two ' items regarding testing and submission of Technical -

-Specifications will be addressed in conjunction with Generic Letter 85-09.

4 If there are any further. questions on this topic, please contact this office..

-Fifteen copies'of this lettar are being provided for your use.

Sincerely, s;

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Gros lexander Nuclear Licensing Administrator

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cc:

US NRC Document Control Desk

.L. 01shan - NRR O

J. Stevens - NRR O

g J.LG. Keppler - RIII' RIII; Inspectors'- BY/BW

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