ML20042C475
| ML20042C475 | |
| Person / Time | |
|---|---|
| Site: | Dresden, Quad Cities, Zion, 05000000 |
| Issue date: | 03/23/1982 |
| From: | Rausch T, Rausch T COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| REF-SSINS-6820 IEB-79-14, NUDOCS 8203310432 | |
| Download: ML20042C475 (2) | |
Text
Commonwealth Edison x) one First N tion 31 Pl:n, Chicigo, Ittanois l
i 7 Addr:ss Reply to. Post Offica Box 767 g
/ Chicago, lihnois 60690 March 23, 1982 Mr. James G. Keppler, Regional Administrator Directorate o f Inspection ano Enforcement - Region III U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137
Subject:
Dresden Station Units 2 and 3 Quad Cities Station Units 1 and 2 Zion Station Units 1 and 2 g
Monthly Report of Status o f I.E.
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Bulletin 79-14 Evaluations (through February, 1982)
A NRC Docket Nos. 50-237/249, RECEIVED 50-254/265 and 50-295/304 gg 9
References (a):
J. G. Keppler letter to Cordell
$8j8[Q$pt riac Reed dated August 18, 1980.
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Dear Mr. Keppler:
In accordance with the request o f Reference (a), the following monthly status report is provided for your use regarding the evaluations performed at Dresden, Quad Cities and Zion Statons in response to I.E.Bulletin 79-14.
The content o f this report now only addresses systems found to be inoperable per discussions with Messrs.
I.
Yin and D. Daniellson of your office.
At Dresden and Quad Cities Stations, there are no changes since the last status report for I.E.Bulletin 79-14.
At Zion Station, stress points in subsystem 1SW-50B have been found to exceed the 2.4 Sh primary pipe stress SSE loading limit.
The nodal points in the subsystem where this condition occurs, as well as the associated stress, is as follows:
Nodal Point 2.4 Sh (psi)
Computed Stress (psi) 271 36,000 61,725 801 36,000 39,451 8203310432 820323 PDR ADOCK 05000237 G
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A J. G. Keppler March 23, 1982 such that pipe system stresses are within the FSAR allowables matte r t'o this o f fice.Please address any questions you may have concerning this Very truly yours, M
Thoma s J. Rausch Nuclear Licensing Administrator im Region III. Inspector - Oresden cc:
Region III Inspector - Quad Citie s Region III Inspector - Zion 3693N
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