ML20046D780
| ML20046D780 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 09/16/1997 |
| From: | Nunn D SOUTHERN CALIFORNIA EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20046D781 | List: |
| References | |
| NUDOCS 9709230001 | |
| Download: ML20046D780 (2) | |
Text
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l An Ll)l50% l%TLR\\ Allo \\ Al Comguny September'16, 1997 U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C.
20555 Gentlemen:
Subject:
Docket Nos. 50-361 and 50-362 Amendment Application Nos. 170 and 156 Steam Generator Sleeving San Onofre Nuclear Generating Station Units 2 and 3 Enclosed are Amendment Application Numbers 170 and 156 to Facility Operating Licenses NPF-10 and NPF-15 for the San Onofre Nuclear Generating Station, Units 2 and 3, respectively. These amendment applications consist of Proposed Technical Specification Change Number NPF-10/(TS) 3.4.13. "RCS Operational 15-487 (PCN-487).
PCN-487, which requests changes to Technical Specification Leakage," TS 5.5.2.11, " Steam Generator (SG) Tube Surveillance Program," and TS 5.7.2, "Special Re) orts," is provided as Enclosure 1 to this letter.
Proposed changes to tie affected Bases section are provided in Enclosure 2 for information only.
Additionally, an editorial correction is made to TS 5.5.2.11.e.2.
The proposed change is to allow steam generator tube repair using ASEA Brown Boveri/ Combustion Engineering (ABB/CE) leak tight sleeving as an alternative Steam Generator tube repair to plugging. The sleeves will be in accordance with the following ABB/CE generic topical report (Enclosure 3 includes proprietary and non-proprietary versions):
" Repair of 3/4" 0.D. Steam Generator Tubes Using Leak Tight Sleeves,"
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Report No. CEN-630-P, Revision 02, Proprietary Version, dated June, l
1997.
1 Examination of the sleeves will be in accordance with the following report (Enclosure 4 includes proprietary and non-proprietary versions):
"EPRI Steam Generator Examination Guidelines - Appendix H Qualification ao For Eddy Current Plus-Point Probe Examination of ABB CE Welded Sleeves,"ff[
Report No. 96-0SW-003-P, Rev. 00 Because Enclosures 3 and 4 contain information proprietary to ABB/CE, they are supported by Affidavits (Enclosure 5) signed by ABB/CE, the owner of the information.
The Affidavits set forth the basis on which the information may be withheld from public consideration by the Commission and addresses with specificity the consideration listed in paragraph (b)(4) of 10 CFR Section 2.790_of_the_
ss/on'sregulations.
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- s..u.m. mum P. O. Box 128
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San Clemcme, CA 92674 0128 1
714 368-1480 Fax 714-368-1490 u v J. O
Document Control Desk September 16, 1997 Accordingly, it is res)ectfully requested that the information which is proprietary to ABB/CE )e withheld from public disclosure in accordance with 10 CFR Section 2.790 of the Connission's regulations.
Correspondence with respect to the proprietary aspects of the enclosed reports and Affidavits should be addressed to:
Mr. Edward P. Kurdziel ABB Combustion Engineering Nuclear Operations 2000 Day Hill Road Windsor, CT 06095 This amendment request is being submitted to use Steam Generator sleeving as a contingency during the mid-cycle outages, which are currently scheduled to begin in February and March 1998.
Installation of sleeves is expected during the Unit 2 Cycle 10 refueling outage and is a possibility during the Unit 3 Cycle 10 refueling outage.
If you have any questions on this subject, please call me.
1 Very truly yours, h
Enclosures cc:
w/o enclosures E. W. Herschoff, Regional Administrator, NRC Region IV K. E. Perkins, Jr., Director, Walnut Creek Field Office, NRC Region IV M. B. Fields, NRC Project Manager, San Onofre Units 2 and 3 J. A. Sloan, NRC Senior Resident Inspector, San Onofre Units 2 & 3 H. Kocol, California State Department of Health Services
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