ML081220158: Difference between revisions
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{{#Wiki_filter:May 15, 2008 | {{#Wiki_filter:May 15, 2008 Mr. Richard M. Rosenblum Senior Vice President and Chief Nuclear Officer Southern California Edison Company San Onofre Nuclear Generating Station P. O. Box 128 San Clemente, CA 92674-0128 | ||
Mr. Richard M. Rosenblum Senior Vice President and Chief Nuclear Officer Southern California Edison Company San Onofre Nuclear Generating Station P. O. Box 128 San Clemente, CA 92674-0128 | |||
==SUBJECT:== | ==SUBJECT:== | ||
SAN ONOFRE NUCLEAR GENERATING STATION, UNITS 2 AND 3 - CLOSURE OF CONFIRMATORY ACTION LETTER NRR-07-025 (TAC NOS. | SAN ONOFRE NUCLEAR GENERATING STATION, UNITS 2 AND 3 - | ||
MD4181 AND MD4182) | CLOSURE OF CONFIRMATORY ACTION LETTER NRR-07-025 (TAC NOS. | ||
MD4181 AND MD4182) | |||
==Dear Mr. Rosenblum:== | ==Dear Mr. Rosenblum:== | ||
On March 22, 2007, the U.S. Nuclear Regulatory Commission (NRC) issued Confirmatory Action Letter (CAL) No. NRR-07-025 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML070800004) regarding dissimilar metal welds in the pressurizer at San Onofre Nuclear Generating Station (SONGS), Units 2 and 3. This letter acknowledges receipt of your letters dated December 24, 2007 and February 8, 2008 (ADAMS Accession Nos. | On March 22, 2007, the U.S. Nuclear Regulatory Commission (NRC) issued Confirmatory Action Letter (CAL) No. NRR-07-025 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML070800004) regarding dissimilar metal welds in the pressurizer at San Onofre Nuclear Generating Station (SONGS), Units 2 and 3. This letter acknowledges receipt of your letters dated December 24, 2007 and February 8, 2008 (ADAMS Accession Nos. | ||
ML081090184 and ML081090185, respectively), informing the NRC of actions taken in response to this CAL at SONGS, Units 3 and 2. | ML081090184 and ML081090185, respectively), informing the NRC of actions taken in response to this CAL at SONGS, Units 3 and 2. | ||
In your December 24, 2007 letter, you stated that during the recent Unit 3 mid-cycle outage, mitigation of the Unit 3 pressurizer surge line nozzle weld was completed and post-mitigation inspections were performed. The results of these inspections were provided to the NRC by letter dated November 9, 2007 (ADAMS Accession No. ML073170693). No suspected flaw indications, such as lack of bond, weld flaws, planar flaws, or laminar flaws, were observed during the examinations. | |||
In your December 24, 2007 letter, you stated that during the recent Unit 3 mid-cycle outage, mitigation of the Unit 3 pressurizer surge line nozzle weld was completed and post-mitigation inspections were performed. The results of these inspections were provided to the NRC by letter dated November 9, 2007 (ADAMS Accession No. ML073170693). No suspected flaw indications, such as lack of bond, weld flaws, planar flaws, or laminar flaws, were observed during the examinations. | In your letter dated February 8, 2008, you stated that during the Unit 2 Cycle 15 refueling outage, mitigation of the pressurizer surge line nozzle weld was completed and post-mitigation inspections were performed. The results of these inspections were provided to the NRC by letter dated December 24, 2007 (ADAMS Accession No. ML073610392). No suspected flaw indications, such as lack of bond, weld flaws, planar flaws, or laminar flaws, were observed during the examinations. | ||
Based on your letters, the NRC has found that all the commitments listed in the CAL, and supporting commitment letter dated March 7, 2007 (ADAMS Accession No. ML070680042) have been met. No further response is required regarding the CAL. The NRC staff considers the CAL closed. As such, it is no longer necessary to implement enhanced inspection and leakage monitoring requirements for the reactor coolant system. The Technical Assignment Control (TAC) Nos. MD4181 and MD4182 have been closed. | |||
In your letter dated February 8, 2008, you stated that during the Unit 2 Cycle 15 refueling outage, mitigation of the pressurizer surge line nozzle weld was completed and post-mitigation inspections were performed. The results of these inspections were provided to the NRC by letter dated December 24, 2007 (ADAMS Accession No. ML073610392). No suspected flaw indications, such as lack of bond, weld flaws, planar flaws, or laminar flaws, were observed during the examinations. | |||
Based on your letters, the NRC has found that all the commitments listed in the CAL, and supporting commitment letter dated March 7, 2007 (ADAMS Accession No. ML070680042) have been met. No further response is required regarding the CAL. The NRC staff considers the CAL closed. As such, it is no longer necessary to implement enhanced inspection and leakage monitoring requirements for the reactor coolant system. The Technical Assignment Control (TAC) Nos. MD4181 and MD4182 have been closed. | |||
Thank you for informing us of the actions documented in your letter. These actions may be examined during a future NRC inspection of your facility. | R. Rosenblum Thank you for informing us of the actions documented in your letter. These actions may be examined during a future NRC inspection of your facility. | ||
Current NRC guidance regarding CALs is contained in the NRC Enforcement Policy and the NRC Enforcement Manual, which are available at the NRC web site at http://www.nrc.gov/about-nrc/regulatory/enforcement.html (click on Enforcement Policy or Enforcement Guidance) or contacting the Government Printing Office (GPO) toll-free at 1-888-293-6498. The GPO is open from 7:00 a.m. to 9:00 p.m. EST, Monday through Friday (except Federal holidays). | |||
Current NRC guidance regarding CALs is contained in the NRC Enforcement Policy and the NRC Enforcement Manual, which are available at the NRC web site at http://www.nrc.gov/about-nrc/regulatory/enforcement.html (click on Enforcement Policy or | In accordance with Title 10 of the Code of Federal Regulations Section 2.390 of the NRC's "Rules of Practice," a copy of this letter and your response will be made available electronically for public inspection in the NRC Public Document Room or from the NRC=s document system (ADAMS), accessible from the NRC Web site at http://www.nrc.gov/reading-rm.html. | ||
Sincerely, | |||
In accordance with Title 10 of the Code of Federal Regulations Section 2.390 of the NRC's "Rules of Practice," a copy of this letter and your response will be made available electronically for public inspection in the NRC Public Document Room or from the NRC | /RA/ | ||
=s document system (ADAMS), accessible from the NRC Web site at http://www.nrc.gov/reading-rm.html. | Catherine Haney, Director Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-361 and 50-362 cc: See next page | ||
Sincerely, | |||
/RA/ | |||
Docket Nos. 50-361 and 50-362 | |||
cc: | |||
ML081220158 | ML081220158 | ||
* via e-mail OFFICE | * via e-mail OFFICE DCI/CPNB DCI/CPNB LPLX-X/PM LPL4/LA LPL4/BC NAME JCollins TChan KKalyanam GLappert THiltz DATE 5/2/08 5/2/08 5/1/08 5/1/08 5/8/08 OFFICE DCI/D DRP/D RIV DORL/D NAME MEvans DChamberlain CHaney DATE 5/6/08 5/6/08(*) 5/15/08 | ||
5/15/08 | |||
Mr. A. Edward Scherer Director, Nuclear Regulatory Affairs Southern California Edison Company San Onofre Nuclear Generating Station P.O. Box 128 San Clemente, CA 92674-0128}} | R. Rosenblum San Onofre Nuclear Generating Station (December 2007) | ||
Units 2 and 3 cc: | |||
Douglas K. Porter, Esquire San Clemente, CA 92674 Southern California Edison Company Mayor 2244 Walnut Grove Avenue City of San Clemente Rosemead, CA 91770 100 Avenida Presidio San Clemente, CA 92672 Dr. David Spath, Chief Division of Drinking Water and Mr. James T. Reilly Environmental Management Southern California Edison Company California Dept. of Health Services San Onofre Nuclear Generating Station 850 Marina Parkway, Bldg P, 2nd Floor P.O. Box 128 Richmond, CA 94804 San Clemente, CA 92674-0128 Chairman, Board of Supervisors Mr. James D. Boyd County of San Diego California State Liaison Officer 1600 Pacific Highway, Room 335 Vice Chair and Commissioner San Diego, CA 92101 California Energy Commission 1516 Ninth Street, MS 31 Mark L. Parsons Sacramento, CA 95814 Deputy City Attorney City of Riverside Mr. Gary Butner 3900 Main Street Acting Branch Chief Riverside, CA 92522 Department of Public Health Services Radiologic Health Branch Mr. Gary L. Nolff MS 7610, P.O. Box 997414 Assistant General Manager - Resources Sacramento, CA 95899-7414 Riverside Public Utilities City of Riverside, California Mr. Ross T. Ridenoure 3901 Orange Street Vice President and Site Manager Riverside, CA 92501 Southern California Edison Company San Onofre Nuclear Generating Station Regional Administrator, Region IV P.O. Box 128 U.S. Nuclear Regulatory Commission San Clemente, CA 92674-0128 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-8064 Mr. A. Edward Scherer Director, Nuclear Regulatory Affairs Mr. Michael L. De Marco Southern California Edison Company San Diego Gas & Electric Company San Onofre Nuclear Generating Station 8315 Century Park Ct. CP21G P.O. Box 128 San Diego, CA 92123-1548 San Clemente, CA 92674-0128 Resident Inspector San Onofre Nuclear Generating Station c/o U.S. Nuclear Regulatory Commission Post Office Box 4329}} |
Revision as of 18:18, 14 November 2019
ML081220158 | |
Person / Time | |
---|---|
Site: | San Onofre ![]() |
Issue date: | 05/15/2008 |
From: | Catherine Haney Plant Licensing Branch III-2 |
To: | Rosenblum R Southern California Edison Co |
Kalyanam N, NRR/DORL/LPL4, 415-1480 | |
References | |
TAC MD4181, TAC MD4182, NRR-07-025 | |
Download: ML081220158 (4) | |
Text
May 15, 2008 Mr. Richard M. Rosenblum Senior Vice President and Chief Nuclear Officer Southern California Edison Company San Onofre Nuclear Generating Station P. O. Box 128 San Clemente, CA 92674-0128
SUBJECT:
SAN ONOFRE NUCLEAR GENERATING STATION, UNITS 2 AND 3 -
CLOSURE OF CONFIRMATORY ACTION LETTER NRR-07-025 (TAC NOS.
MD4181 AND MD4182)
Dear Mr. Rosenblum:
On March 22, 2007, the U.S. Nuclear Regulatory Commission (NRC) issued Confirmatory Action Letter (CAL) No. NRR-07-025 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML070800004) regarding dissimilar metal welds in the pressurizer at San Onofre Nuclear Generating Station (SONGS), Units 2 and 3. This letter acknowledges receipt of your letters dated December 24, 2007 and February 8, 2008 (ADAMS Accession Nos.
ML081090184 and ML081090185, respectively), informing the NRC of actions taken in response to this CAL at SONGS, Units 3 and 2.
In your December 24, 2007 letter, you stated that during the recent Unit 3 mid-cycle outage, mitigation of the Unit 3 pressurizer surge line nozzle weld was completed and post-mitigation inspections were performed. The results of these inspections were provided to the NRC by letter dated November 9, 2007 (ADAMS Accession No. ML073170693). No suspected flaw indications, such as lack of bond, weld flaws, planar flaws, or laminar flaws, were observed during the examinations.
In your letter dated February 8, 2008, you stated that during the Unit 2 Cycle 15 refueling outage, mitigation of the pressurizer surge line nozzle weld was completed and post-mitigation inspections were performed. The results of these inspections were provided to the NRC by letter dated December 24, 2007 (ADAMS Accession No. ML073610392). No suspected flaw indications, such as lack of bond, weld flaws, planar flaws, or laminar flaws, were observed during the examinations.
Based on your letters, the NRC has found that all the commitments listed in the CAL, and supporting commitment letter dated March 7, 2007 (ADAMS Accession No. ML070680042) have been met. No further response is required regarding the CAL. The NRC staff considers the CAL closed. As such, it is no longer necessary to implement enhanced inspection and leakage monitoring requirements for the reactor coolant system. The Technical Assignment Control (TAC) Nos. MD4181 and MD4182 have been closed.
R. Rosenblum Thank you for informing us of the actions documented in your letter. These actions may be examined during a future NRC inspection of your facility.
Current NRC guidance regarding CALs is contained in the NRC Enforcement Policy and the NRC Enforcement Manual, which are available at the NRC web site at http://www.nrc.gov/about-nrc/regulatory/enforcement.html (click on Enforcement Policy or Enforcement Guidance) or contacting the Government Printing Office (GPO) toll-free at 1-888-293-6498. The GPO is open from 7:00 a.m. to 9:00 p.m. EST, Monday through Friday (except Federal holidays).
In accordance with Title 10 of the Code of Federal Regulations Section 2.390 of the NRC's "Rules of Practice," a copy of this letter and your response will be made available electronically for public inspection in the NRC Public Document Room or from the NRC=s document system (ADAMS), accessible from the NRC Web site at http://www.nrc.gov/reading-rm.html.
Sincerely,
/RA/
Catherine Haney, Director Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-361 and 50-362 cc: See next page
- via e-mail OFFICE DCI/CPNB DCI/CPNB LPLX-X/PM LPL4/LA LPL4/BC NAME JCollins TChan KKalyanam GLappert THiltz DATE 5/2/08 5/2/08 5/1/08 5/1/08 5/8/08 OFFICE DCI/D DRP/D RIV DORL/D NAME MEvans DChamberlain CHaney DATE 5/6/08 5/6/08(*) 5/15/08
R. Rosenblum San Onofre Nuclear Generating Station (December 2007)
Units 2 and 3 cc:
Douglas K. Porter, Esquire San Clemente, CA 92674 Southern California Edison Company Mayor 2244 Walnut Grove Avenue City of San Clemente Rosemead, CA 91770 100 Avenida Presidio San Clemente, CA 92672 Dr. David Spath, Chief Division of Drinking Water and Mr. James T. Reilly Environmental Management Southern California Edison Company California Dept. of Health Services San Onofre Nuclear Generating Station 850 Marina Parkway, Bldg P, 2nd Floor P.O. Box 128 Richmond, CA 94804 San Clemente, CA 92674-0128 Chairman, Board of Supervisors Mr. James D. Boyd County of San Diego California State Liaison Officer 1600 Pacific Highway, Room 335 Vice Chair and Commissioner San Diego, CA 92101 California Energy Commission 1516 Ninth Street, MS 31 Mark L. Parsons Sacramento, CA 95814 Deputy City Attorney City of Riverside Mr. Gary Butner 3900 Main Street Acting Branch Chief Riverside, CA 92522 Department of Public Health Services Radiologic Health Branch Mr. Gary L. Nolff MS 7610, P.O. Box 997414 Assistant General Manager - Resources Sacramento, CA 95899-7414 Riverside Public Utilities City of Riverside, California Mr. Ross T. Ridenoure 3901 Orange Street Vice President and Site Manager Riverside, CA 92501 Southern California Edison Company San Onofre Nuclear Generating Station Regional Administrator, Region IV P.O. Box 128 U.S. Nuclear Regulatory Commission San Clemente, CA 92674-0128 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-8064 Mr. A. Edward Scherer Director, Nuclear Regulatory Affairs Mr. Michael L. De Marco Southern California Edison Company San Diego Gas & Electric Company San Onofre Nuclear Generating Station 8315 Century Park Ct. CP21G P.O. Box 128 San Diego, CA 92123-1548 San Clemente, CA 92674-0128 Resident Inspector San Onofre Nuclear Generating Station c/o U.S. Nuclear Regulatory Commission Post Office Box 4329