ML20141B583

Discusses Completion of Licensing Action for GL 92-08, Thermo-Lag 330-1 Fire Barriers. Based on 960205,960321, 960712, & 970404 Responses,There Remain Open Issues Involving Ampacity Derating of Thermo-Lag 330-1

ML20141B583
Person / Time
Site:	Byron
Issue date:	05/13/1997
From:	Labarge D NRC (Affiliation Not Assigned)
To:	Hampton J DUKE POWER CO.
References
GL-92-08, GL-92-8, TAC-M85528, TAC-M85529, NUDOCS 9705150344
Download: ML20141B583 (5)

Text

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• UMTso STATES

- NUCLEAR REGULATORY ComnHSSION

$~ *= WASHINGTON, D.C. 30006 4001 4 May 13, 1997 E

?

3. - Ms. Irene M Joh'nson,l Acting Manage i F Nuciaar Regt "atory Services .

Commonweali.ii Edison Company . ,

Executive Toters West III-  !

l Jan0 Ocue F1nce, Suite 500 i Downers Grove, IL 60515

SUBJECT:

COMPLETION OF LICENSING ACTION FOR GENERIC LETTER 92 BYRON STATION, UNITS'1 AND 2 (TAC NOS. M85528 AND M85529)-

[

DearMs. Johnson:

L

! .By letters dated April 16, 1993, July 8, 1993, August 4, 1993, February 10, 1994, December 16, 1994, March 29, 1995, September 20, 1995, February 5, 1996, J . March 21, 1996, July 12,.1996, and January 17, 1997, Commonwealth Edison Company (Comed) responded to Generic Letter (GL) 92-08, "Thermo-Lag 330-1 Fire Barriers," dated December 17, 1992, and follow-up requests for additional

information dated May 28, 1993, December 21, 1993, September 19, 1994,  ;

, December-29,.1994, December 4, 1995, and June'12, 1996, in regard to Thermo- l

. Lag 330-1 fire barriers installed at Byron Station, Units 1 and 2. J The U.S. Nuclear Regulatory Commission (NRC) staff has reviewed Comed's

-letters. Comed's responses stated that three methods of resolution would be utilized. They were (1) re-analysis of safe shutdown analises to eliminata the need for the fire barrier; (2) re-routing of cabics sucs that redundant

, safe shutdown trains are not located in the same fire zone; w (3) replacement of the Thermo-Lag 330-1 with a qualified fire barrier. By letter daisd January 17, 1997, Comed stated that all corrective actions for the resolution 4 of the Thermo-Lag issues had been implemented at Byron. On the Oasis of its review, the staff has determined that Comed has.provided the information

requested in GL'92-08 and the actions tracked by TAC Nos. M85528 and M85529 ,

f are complete. l Based on your February 5,1996, March 21,1996, July 12,1996, and April 4, l

-1997, responses,.however, there remain open issues involving ampacity derating i Lof Thermo-Lag 330-1 whic;. emerged as a result of tha GL 92-08 review. The 1 resolution of these ampacity derating issues are 'seing treated generically and-tracked by TAC No. M82809.

i Comed should retain.all. documentation related to~the resolution of the  !

concerns with Thermo-Lag 330-1 fire barrier systems for future NRC audits or I inspections. j hl C u

.9705150344 970513 PDR, ADOCK 05000454 SC 3.E CENTER COPY 1 s

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,. , I. Johnson If you have any qcestions regarding this matter, please contact me at (301) 415-3019.

Sincerely,

+ t L Georg F. Dick,.d ., Project Manager Project Directorate III-2

-Division of Reactor' Projects - III/IV ,

Office of Nuclear Reactor Regulation Docket Nos. STN 50-454 and STN 50-455 cc:. See next page. -

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I. Johnson if you have any questions regarding this matter, please contact me at (301) 415-3019.

Sincerely, ORIGINAL SIGNED BY:

George F. Dick, Jr., Project Manager Project Directorate III-2 Division of Reactor Projects - III/IV Office of Nuclear Reactor Regulation Docket Nos. STN 50-454 and STN 50-455 cc: See next page f

l Distribution. i

@hM: keta File,{T5C3IS l

'PUBLIC?

PDIII-2 r/f J. Roe, JWR E. Adensam, EGAl l R. Capra C. Moore G. Dick OGC, 015818 ACRS, T2E26 R. Lanksbury, RIII D. Oudinot, 08D1 L. Tran, 013E16 J. Calvo, 07E4

.T. Marsh, 0801 l i i

DOCUMENT NAME: BY85528.LTR Ts receive a copy of this document, indkate h the box: 'C' = Copy without enclosures *E' = Copy with enclosures *N* = No copy  ;

0FFICE PM:PDIII-% 1 E ' t.A: PUIII-2 l 6 SPLB 1, l EELB- .

,, 0:PDIII-2 l e )

NAME GDICK /'JO CCWEE TMARSH l I 8' JCALVO /#'" RCAPRA A l 04,f//97 DATE 04/ m/97 Of/ /97 Af/ 5 /97 Of//> /97 g l

OFFICIAE RECORD COPY at y

e

,, q I. Johnson ,

If you have any questions regarding this matter, please contact me at (301) ,

415-3019. '

Sincerely, ORIGINAL SIGNED BY: -

George F. Dick, Jr., Project Manager Project Directorate III-2 Division of Reactor Projects - III/IV Office of Nuclear Reactor Regulation Docket Nos. STN 50-454 and STN 50-455 cc: See next page '

Distribution:

Docket File, T5C3 i PUBLIC PDIII-2 r/f J. Roe, JWR E. Adensam, EGA1 R. Capra C. Moore G. Dick OGC, 015818 ACRS, T2E26 R. Lanksbury, RIII D. Oudinot, 08D1 L. Tran, 013E16 J. Calvo, 07E4 T. Marsh, 08D1

' DOCUMENT NAME: BY85528.LTR Ta receive e copy of this document. Indicato )n the boa: "C" = Copy without enclosures *E' = Copy with enclosures "N* = No copy 0FFICE PM:PDIII-ljhE LA: %QII-E , 6 SPLB F, l EELB __

,, D:PDIII-2 l e NAME GDICK M[ '

(h5$1 TMARSH F JCALVO ( RCAPRA A DATE 04/m/97 04/9/97 Of/ /97 94*/f/97 Of/O /97 0FFICIAL RECORD COPY f dig &

3, 2

a I. Johnson Byron Station Commonwealth Edison Company Unit Nos. I and 2 cc:

Michael I. Miller, Esquire Chairman, Ogle County Board Sidley and Austin Post Office Box 357 One First National Plaza Oregon, Illinois 61061 Chicago, Illinois 60603 Mrs. Phillip B. Johnson Regional Administrator, Region III 1907 Stratford Lane U.S. Nuclear Regulatory Commission Rockford, Illinois 61107 801 Warrenville Road Lisle, Illinois 60532-4351 Attorney General 500 South Second Street Illinois Department of Springfield, Illinois 62701 N:. i?ar Safety Offici of Nuclear Facility Safety EIS Review Coordinator 1035 Outw Park Drive U.S. Environmental Protection Agency Springfield, Illinois 62704 77 W. Jackson Blvd.

Chicago, Illinois 60604-3590 Document Control Desk-Licensing Commonwealth Edison Company Commonwealth Edison Company

.1400 Opus Place, Suite 400 Byron Station Manager Downers Grove, Illinois 60515 4450 North German Church Road  :

Byron, Illinois 61010 Mr. William P. Poirier, Director Westinghouse Electric Corporation Kenneth Graesser, Site Vice President Energy Systems Business Unit Byron Station Post Office Box 355, Bay 236 West Commonwealth Edison Station Pittsburgh, Pennsylvania 15230 4450 N. German Church Road Byron, Illinois 61010 Joseph Gallo i Gallo & Ross j 1250 Eye St., N.W.  !

Suite 302 Washington, DC 20005 Howard A. Learner Environmental law and Policy Center of the Midwest 203 North LaSalle Street Suite 1390 Chicago, Illinois 60601 U.S. Nuclear Regulatory Commission '

Byron Resident Inspectors Office  !

4448 North German Church Road Byron, Illinois 61010-9750 Ms. Lorraine Creek '

Rt. 1, Box 182. l Manteno, Illinois 60950 i