ML20059K674

Suppls Responses to Violations Noted in Insp Repts 50-454/89-11,50-455/89-13,50-456/89-11 & 50-457/89-11. Corrective Actions:Procedures Changed & Valve Tagging Status Provided

ML20059K674
Person / Time
Site:	Byron, Braidwood
Issue date:	09/17/1990
From:	Kovach T COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 9009240159
Download: ML20059K674 (2)

Text

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, Commonw0elth Edis5n a '1400 Opus Place L '6 ~

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September 17, 1990

-Mr.lA! Bert Davis Regional' Administrator U. S. Nuclear Regulatory Commission Region'III '

799 Roosevelt Road Glen Ellyn, Illinois 60137

Subject:

Byron Station Units 1'and 2 Braidwood Station Units 1 and 2 Supplemental Response to Inspection Reports Nos. 50-454/89-011 and 50-455/89-013; and 50-456/89-011 and 50-457/89-011 E NRC Docket Nos. 50-454. 50-455. 50-456 and 50-457

References:

(a) G. C. Hright letter to C. Reed dated J me 19, 1989 (b) T. J. Kovach letter to A. B. Davis dated July 19, 1989 (c) T. J. Kovach letter to A. B. Davis dated

, August 7, 1989 (d) T. J. Kovach letter to A. B. Davis dated

' December 29, 1989 (e) H. J. Miller letter to C. Reed dated January 12, 1990

Dear Mr. Davis:

Reference (a) provided the results of the special. safety inspection conducted by a NRC Emergency Operating Procedure (EOP) Inspection Team at Braidwood-Station in Mty,1989. Reference (b);provided Commonwealth Edison Company's.

(Eoison)~ response to the Braidwood inspection report stating that the completion date for procedure changes would be= based on the issuance date of a-scheduled Byron E0P inspection. Reference (c) provided Edison's supplemental response concerning the completion date ef-procedure revisions for Braidwood since .at:that time,-the E0P inspection for Byron had been postponed to a later date. Reference (d) provided Edison's-supplemental response concerning the accessibility of certain RH, valves (IRH8701B and IRH87028) in the Unit I containment at Braidwood Station.

Reference (e) provided the results of the' Byron E0P inspection performed at. Byron-in December, 1989.

The purpose of this letter is to provide; l) additional information concerning the Byron and Braidwood Unit 1 RH valves, including the results of an accessibility review on the Byron-Unit 2 valves (2RH8701B and 2RH8702B); and

2) a revision to the completion dates for procedure changes and valve tagging as presented in references (b) and (c), for both the Byron and Braidwood Stations.

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Eeptember 17, 1990 tr. A. Sert Davis - 2 -

' Byron /Braidwood RH Valves Accessibility )

1 Review of the accessthtitty for the 1/2RH87018 and the 1/2RH87026 valves at Braldwood and the IRH87018 a,i ilH87028 valves ' Byron has determined access to be acceptable. Access to these valves will retW e .ne same as reviewed during the i inspections. Accessib111t/ for the 2RH8701B and the 2RK?'028 valves at Byron will be reviewed during their next refuel outage. ,

Etottdure ChtDge_ Status Reference (c) provided the expected completion dates for procedure changet identified during the Bratdwood Inspection. These dates were based on the t assumption that Byron Station would_not have an EOP inspection during 1989.  ;

However, an EOP inspection was performed at Byron Station during December, 1989.

Since Braidwood and Byron have standardized E07 pro *.edures and coordination-is required for any. procedure change all procedere changes will lot be completed by '

the September 30, 1990 date given in ren rence (c) for Braid rA. With the exception of the procedures that are imDacted by the reso W. ion of the station blackout.tssue, the procedure chang s are expected to be '.copleted by the original l completion date as stated in referenec (4). it,&i date is January 12, 1991, one year from the date of issuance of the Byron inspection report (Reference (e)) which was issued on January 12, 1990. The procedures impacted by the resolution of.the station blackout issue will be revised on existing stativii bladout information, t These revisions are expected to be completed by Apr11 1, 1991. Additional 1 procedure changes may be necessary upon final resolution of the station blackout ,

issue.

Yalve Taagina Status Reference (b) provided dates for the. completion of high visibility valve tags for valves and high visibility labels for electrical equipment referenced in the E0Ps. Due to the magnitude of the job, the high visibility tags and labels are j' now expected to be in place by January 12, 1991.: The installation will also include the E0P referenced valves which currently have the "Itcense plate"_ type ,

tags that were scheduled to be completed by Decehter 31, 1991. ,

Any tags or labei;ng impacted by the resolution of the station blackout i issue will be scheduled for completion aspon resciution of this issue.

Please address any questions con ^rning this supplemental response to this office.

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l .J ovach Nuclear L1 ensing Manager cc: NRO Resident Inspector - Byron NRC Resident Inspector - Braidwood C M C;DocumenttControl; Desk e i

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