ML032940689

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Summary of Meeting Held on 10/07/2003 with NRC and PG&E to Discuss Steam Generator Issues
ML032940689
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 10/21/2003
From: Shukla G
NRC/NRR/DLPM/LPD4
To:
Shukla G, NRR/DLPM/LPDIV-2/415-8439
Shared Package
ML032950074 List:
References
Download: ML032940689 (4)


Text

October 21, 2003 LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Nuclear Power Plant, Units 1 and 2

SUBJECT:

SUMMARY

OF MEETING HELD ON OCTOBER 7, 2003, TO DISCUSS STEAM GENERATOR ISSUES On October 7, 2003, representatives of Pacific Gas and Electric Company (PG&E) met with the NRC staff to make a presentation on steam generator (SG) issues for Diablo Canyon Nuclear Power Plant, Units 1 and 2.

The meeting began with PG&Es discussion of the license amendment request (LAR) currently being reviewed by the NRC staff for the use of the probability of prior cycle detection (POPCD) method for Unit 2 Cycle 12 operational assessment. The meeting continued with a presentation on the use of a permanent POPCD for future cycles, PG&Es strategy for SG operation until replacement, and planned chemical cleaning of the SGs. PG&E further discussed the wedge region alternate repair criteria exclusion zone reduction, increase of main steam line break (MSLB) leak rate limit, Alloy 800 sleeving and related future LAR, increase of 15 percent plugging limit, and locking of the tube support plate (TSP) to prevent TSP displacement and potential for tube burst under postulated MSLB conditions.

PG&E provided responses to the verbal questions from the NRC staff and discussed tentative schedules for submittal of the future LARs on the subjects discussed in the meeting.

An attendance list is provided in the attachment. The presentation slides used during the meeting are available in ADAMS under Accession No. ML032820023.

/RA/

Girija S. Shukla, Project Manager, Section 2 Project Directorate IV Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket Nos. 50-275 and 50-323

Attachment:

Attendance List cc w/att: See next page

ML032940689 NRC-001 OFFICE PDIV-2/PM PDIV-2/LA PDIV-2/SC NAME GShukla:sab EPeyton SDembek DATE 10/20/03 10/17/03 10/21/03 MEETING ATTENDEES MEETING WITH PACIFIC GAS AND ELECTRIC COMPANY TO DISCUSS STEAM GENERATOR ISSUES FOR DIABLO CANYON OCTOBER 7, 2003 PACIFIC GAS & ELECTRIC S. Ketelsen J. Arhar T. Baldwin D. Beals WESTINGHOUSE T. Pitterle B. Keating R. Smith M. Hu FRAMATOME J. Fleck NRC S. Dembek G. Shukla L. Lund C. Khan K. Karwoski S. Long K. Manoli J. Wu T. Chan

Diablo Canyon Power Plant, Units 1 and 2 cc:

NRC Resident Inspector Richard F. Locke, Esq.

Diablo Canyon Power Plant Pacific Gas & Electric Company c/o U.S. Nuclear Regulatory Commission P.O. Box 7442 P.O. Box 369 San Francisco, CA 94120 Avila Beach, CA 93424 Mr. David H. Oatley, Vice President Mr. Pete Wagner and General Manager Sierra Club California Diablo Canyon Power Plant 2650 Maple Avenue P.O. Box 56 Morro Bay, California 93442 Avila Beach, CA 93424 Ms. Nancy Culver City Editor San Luis Obispo The Tribune Mothers for Peace 3825 South Higuera Street P.O. Box 164 P.O. Box 112 Pismo Beach, CA 93448 San Luis Obispo, CA 93406-0112 Chairman Mr. Ed Bailey, Radiation Program Director San Luis Obispo County Board of Radiologic Health Branch Supervisors State Department of Health Services Room 370 P.O. Box 942732 (MS 178)

County Government Center Sacramento, CA 94234-7320 San Luis Obispo, CA 93408 Mr. James D. Boyd, Commissioner Mr. Truman Burns California Energy Commission Mr. Robert Kinosian 1516 Ninth Street (MS 31)

California Public Utilities Commission Sacramento, CA 95814 505 Van Ness, Room 4102 San Francisco, CA 94102 Mr. James R. Becker, Vice President Diablo Canyon Operations Diablo Canyon Independent Safety and Station Director Committee Diablo Canyon Power Plant ATTN: Robert R. Wellington, Esq. P.O. Box 3 Legal Counsel Avila Beach, CA 93424 857 Cass Street, Suite D Monterey, CA 93940 Mr. Gregory M. Rueger Senior Vice President, Generation and Regional Administrator, Region IV Chief Nuclear Officer U.S. Nuclear Regulatory Commission Pacific Gas and Electric Company Harris Tower & Pavillion Diablo Canyon Power Plant 611 Ryan Plaza Drive, Suite 400 P.O. Box 3 Arlington, TX 76011-8064 Avila Beach, CA 93424