ML041620315

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5/27/04, Summary of Meeting with Diablo Canyon to Discuss Pg&Es Response to the San Simeon Earthquake and Related Licensing Basis Issues
ML041620315
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 06/09/2004
From: Shukla G
NRC/NRR/DLPM/LPD4
To:
Shukla G, NRR/DLPM/LPDIV-2/415-8439
Shared Package
ML041620324 List:
References
Download: ML041620315 (4)


Text

June 9, 2004 LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Nuclear Power Plant, Units 1 and 2

SUBJECT:

SUMMARY

OF MEETING HELD ON MAY 27, 2004, TO DISCUSS PACIFIC GAS AND ELECTRIC COMPANYS (PG&E) RESPONSE TO THE SAN SIMEON EARTHQUAKE AND RELATED LICENSING BASIS ISSUES On May 27, 2004, representatives of PG&E met with the NRC staff to make a presentation on their response to the San Simeon earthquake and related licensing basis issues.

The meeting began with PG&Es discussion that their decision for not shutting down the plant was appropriate. The San Simeon earthquake was significantly less than the design earthquake (DE) and did not have the potential to cause damage to the Diablo Canyon Power Plant (DCPP). PG&E further stated that the excursion from the DE vertical response spectra at top of containment was as expected, and the DCPP DE licensing/design basis provides adequate margin for the operating basis earthquake function. Finally, PG&E also discussed that San Simeon earthquake was consistent with the tectonic framework developed in the DCPP long-term seismic program. Following the meeting, the staff expressed its appreciation to PG&E for their presentation.

An attendance list is provided in the attachment. The presentation slides used during the meeting are available in ADAMS under Accession No. ML041490247.

/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

ML041620315 PKG: ML041620324 NRC-001 OFFICE PDIV-2/PM PDIV-2/LA PDIV-2/SC NAME SDembek for EPeyton SDembek GShukla:mp DATE 6/9/04 6/7/04 6/9/04 MEETING WITH PACIFIC GAS AND ELECTRIC COMPANY ATTENDANCE LIST MAY 27, 2004 PACIFIC GAS & ELECTRIC COMPANY L. Womack S. Ketelsen L. Parker B. Horstman N. Jahangir D. Locke D. Miklush L. Cluff N. Abrahamson B. Norton B. Kennedy NRC G. Shukla G. Imbro K. Manoly G. Bagchi Y. Li S. Wong M. Young D. Tang B. Jones B. Tripathi R. Hall

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 Sierra Club San Lucia Chapter and General Manager c/o Henriette Groot Diablo Canyon Power Plant 1000 Montecito Road P.O. Box 56 Cayucos, CA 93430 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, Chief San Luis Obispo County Board of Radiologic Health Branch Supervisors State Department of Health Services Room 370 P.O. Box 997414 (MS 7610)

County Government Center Sacramento, CA 95899-7414 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