ML20128M601
| ML20128M601 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 05/15/1985 |
| From: | Miosi A COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| 0132K, 132K, 82-10, NUDOCS 8506030031 | |
| Download: ML20128M601 (2) | |
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Commonwealth Edison one First National Plaz'. Chicago, Ilknois Address Reply to: Post Office Box 767 Chicago. Illinois 60690 May 15, 1985 Mr. James G. Keppler Regional Administrator U.S. Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, IL 60137
Subject:
Braidwood Station Units 1 and 2 10 CFR SG.55(e) No. 82-10 Interim Report Structural Steel Installation Records NRC Docket Nos. 50-456/457 References (a):
T. R. Tramm letter to J. G. Keppler dated December 30, 1982 (b):
E. D.
Swartz letter to J. G. Keppler dated July 1, 1983 (c):
E.D. Swartz letter to J. G. Keppler dated May 7, 1984 (d):
E. D.
Swartz letter to J. G. Keppler dated July 3, 1984 (e):
D. H. Smith letter to J. G. Keppler dated November 2, 1984 (f):
D. H.
Smith letter to J. G. Keppler dated January 17, 1985
Dear Mr. Keppler:
References (a) thru (f) provided informatien concerning a potential deficiency reportable pursuant to 10 CFR 50.55(e) regarding structural steel installation inspection records at our Braidwood Station.
The purpose of this letter is to provide an updated status of the corrective actions being taken to resolve this issue.
This letter is considered to be a final Report.
Status of Resolution As discussed in Reference (f) Commonwealth Edison Company will repair or upgrade (when necessary) and inspect all inaccessible field connections with inadequate records in accordance with G. K.
Newberg's Procedure 57.
At that time, the corrective actions being taken were approximately 5% complete.
Currently, the inspections and rework of the field installations are approximately 48% complete.
8506030031 850515 DR ADOCK 05000 6
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, Some discrepancies in shop welds on blockwall columns were observed while performing sample inspections of welded and bolted connections as previously noted (Ref. f).
A sample inspection of the'blockwall column shop welds to determine their adequacy was
-performed.
This inspection is complete and no discrepancies of engineering significance were found.
Based on these results, the quality of shop welds for blockwall columns supplied by American Bridge, Mid City and Ramco are considered acceptable.
In addition, the 83 miscellaneous structural beam connections embedded in concrete and/or masonry have been walked down for accessibility.
accessible, are being incorporated in the rework program.Those (25) connections that are fully (28 The partially accessible connections are being evaluated by Sargent &
Lundy.
The (30) inaccessible connections have been evaluated and tnose that require external modifications will be reworked.
It is anticipated that all corrective actions will be completed by August 15, 1985.
The results of these actions will be available for NRC review at that time.
Very truly yours, h
wh kl A. D. M osi Nuclear Licensing Administrator
/klj cc:
NRC Resident Inspector - Braidwood Director of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C. 20555 0132K
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