ML20244D813

Forwards SER Accepting Util ATWS Mitigating Sys Actuation Circuitry Designs & Compliance W/Atws Rule (10CFR50.62). Conclusion Based on Certain Human Factors Engineering Reviews

ML20244D813
Person / Time
Site:	Byron
Issue date:	06/13/1989
From:	Olshan L Office of Nuclear Reactor Regulation
To:	Kovach T COMMONWEALTH EDISON CO.
Shared Package
ML20244D817	List: ML20244D813 ML20244D819
References
TAC-59077, TAC-63258, NUDOCS 8906190272
Download: ML20244D813 (2)

Text

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UNITED STATES '

g: r NUCLEAR REGULATORY COMMISSION e5 F WASHINGTON, D. C. 20666 .

. %CM.T. bkC

. .. June 13,.1989 r

DocketHos.:!50-454and'50-455 -

zMr. ThomasiJJKovach , , 'j Nuclear Licensing; Manager '

Commonwealth Edison Company.-

Post Office: Box 767 Chicago. IL 60690 ,

SUBJECT:

ATWS RULE'(10 CFR 50.62) --BYRON STATION.

(TAC: NOS. 59077: AND 63258)j Enclosed is the safety evaluation report associated 'with the propose'd

-implementation of the ATWS Rule (10 CFR 50.62) requirements as related to;

Byron-Station, Unit

1 and 2. "

We have concluded, pending final resolution'of the'technica1' specification-issue, that the ATWS design that you proposed is in compliance with the ATWS~

Rulerequirements;of10CFR50.62, paragraph (c)(1). Our conclusion is' based on the' successful completion of certain noted human-factors engineering .

reviews. Until 'our review of the technical: specification' issue;is completed, you should continue.with the scheduled installation and implementation'

.(planned operation) of the ATWS design using administrative procedures.:

j Leonard.N. 01shan, Project Manager Project Directorate -III . Division;of. Reactor Projects III, a

~IV,:V, and.Special Projects jl

Enclosure:

As stated j cc w/ enclosure:

See next page 1 R

'I

~

L FP289 ngus y PDC yl

Mr. Thomas J. Kovach Byror Station Commonwealth Edison Company Units 1 and 2 cc:

Mr. Jack Tain Regional Administrator Atomic Power Distribution U. S. Nuclear Regulatory Westinghouse Electric Corporation Comission Post Office Box 355- 799 Roosevelt Road, Bldg. f4 Pittsburgh, Pennsylvania 15230 Glen Ellyn, Illinois 60137 Michael Miller, Esq. Mr. Michael C. Parker, Chief Sidley and Austin Division of Engineering One First National Plaza Illinois Department of Chicago, Illinois 60603 -Nuclear Safety 1035 Outer Park Drive Springfield, Illinois, 62704 Mrs. Phillip B. Johnson 1907 Stratford Lane. Joseph Gallo, Esq.

Rockford, Illinois 61107 Hopkins and Sutter Suite 1250 Ms. Lorraine Creek 1050 Connecticut Avenue, N.W.

Rt. 1, Box 182 Washington, D.C. 20036 Manteno. Illinois 60950 Douglass Cassel, Esq.

Dr. Bruce von Zellen 109 N. Dearborn Street Department of Biological Sciences Suite 1300 Northern Illinois University Chicago, Illinois 60602 DeKalb, Illinois 61107 Ms. Pat Morrison Mr. Edward R. Crass 913 N Main Street #707 Nuclear Safeguards & Licensing Rockford, Illinois 61103-7058 Sargent & Lundy Engineers 55 East Monroe Street Attorney General Chicago, Illinois 60603 500 South 2nd Street Springfield, Illinois 62701 U. S. Nuclear Regulatory Comission Byron / Resident Inspectors Offices Chairman, Ogle County Board 4448 North German Church Road Post Office Box 357 Byron, Illinois 61010 Oregon, Illinois 61061 EIS Review Coordinator Environmental Protection Agency Region V 230 S. Dearborn Street Chicago, Illinois 60604 Comorwealth Edison Comparty Byron Station Manager 4450 North German Church Road Byron, Illinois 61010

, June 13, 1939 Docket Nos. 50-454 and 50-455 DISTRIBUTION Docket file OGC NRC & Local PDRs EJordan Mr. Thomas J. Kovach PDIII-2 r/f BGrimes Nuclear Licensing Manager MVirgilio ACRS (10)

Commonwealth Edison Company LLuther Plant file Post Office Box 767 L01shan Chicago, IL 60690

SUBJECT:

ATWS RULE (10 CFR 50.62) - BYRON STATION (TACN05.59077AND63258)

Enclosed is the safety evaluation report associated with the proposed implementation of the ATWS Rule (10 CFR 50.62) requirements as related to Byron Station, Unit 1 and 2.

We have concluded, pending final resolution of the technical specification issue, that the ATWS design that you proposed is in compliance with the ATWS Rule requirements of 10 CFR 50.62, paragraph (c)(1). Our conclusion is based on the successful completion of certain noted human-factors engineering reviews. Until our review of the technical specification issue is completed, y(ou should planned continueofwith operation) the scheduled the ATWS installation design using administrative and implementation procedures.

S Leonard N. Olshan, Protect Manager Project Directorate III-2 Division of Reactor Projects III, IV, V, and Special Projects

Enclosure:

As stated cc w/ enclosure:

See next page PDIII-2:PM PD 72$A p PDIII-2:(A)PD QC L01shan:dmj LLu er f" PShemanski 6/gp/89 6// 6/tb/89

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