ML072900021

(Public) Distribution of Rev 2 of the Nuclear Regulatory Commission'S Significance Determination Process Risk - Informed Inspection Notebooks, and Accompanying Phase 2 Pre-Solved Tables (Tac MD6415)

ML072900021
Person / Time
Site:	San Onofre
Issue date:	10/18/2007
From:	Kalyanam N NRC/NRR/ADRO/DORL/LPLIV
To:	Rosenblum R Southern California Edison Co
Kalyanam N, NRR/DORL/LPL4, 415-1480
Shared Package
ML072900015	List: ML072900021
References
TAC MD6415
Download: ML072900021 (4)

Text

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p UNITED STATES X NUCLEAR REGULATORY COMMISSION ZWASHINGTON, D.C. 20555-0001 October 18, 2007 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 -

DISTRIBUTION OF REVISION 2 OF THE NRC'S SIGNIFICANCE DETERMINATION PROCESS RISK-INFORMED INSPECTION NOTEBOOKS, AND ACCOMPANYING PHASE 2 PRE-SOLVED TABLES (TAC NO. MD6415)

Dear Mr. Rosenblum:

In 2004, the U.S. Nuclear Regulatory Commission (NRC) requested information from licensees to support the Significance Determination Process (SDP) Risk-Informed Inspection Notebook (notebook) enhancement/standardization effort. The NRC has completed this effort and has issued Revision 2 of the notebook for San Onofre Nuclear Generating Station, Units 2 & 3. The NRC developed these notebooks to facilitate Phase 2 of the NRC inspection finding significance determination process detailed in Inspection Manual Chapter 0609, "Significance Determination Process," Appendix A, "Determining the Significance of Reactor Inspection Findings; for At-Power Situations." SECY-99-007A, "Recommendations for Reactor Oversight Process Improvements," sets forth this process and additional details are included in the NRC Inspection Manual Chapter 0308, "Reactor Oversight Process Basis Document." NRC inspectors and risk analysts, who have extensive understanding of plant-specific design features and operation, are expected to use these notebooks. The notebooks will be updated on a case-by-case basis as needed to reflect changes to the facilities.

Revision 2 of the notebooks is accompanied by the Site Specific Pre-Solved Spreadsheet (the Spreadsheet). The NRC added the Spreadsheet to help reduce the time it takes to process inspection findings. The NRC benchmarked the notebooks against licensee Probability Risk Assessments and plant configurations. The enclosed compact disk containing the above documents is provided for your use to facilitate your understanding of the SDP in Inspection Manual Chapter 0609.

The enclosure transmitted herewith contains Security-Related information.

When separated from enclosure, this document is decontrolled.

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• R. M. Rosenblum The information on the enclosed compact disk is designated exempt from public disclosure pursuant to Section 2.390(d)(1) of Title 10 of the Code of FederalRegulations since it contains security-related information.

Ifyou have any questions, please contact me at (301) 415-1480.

Sincerely, N. Kalyanam, Project Manager Plant Licensing Branch Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-361 and 50-362

Enclosure:

Compact Disk for San Onofre Nuclear Generating Station, Units 2 and "3 SDP with Revision 2 and Site Specific Pre-Solved Spreadsheet Official Use Only - Security Related Information cc w/o encl: See next page OFFICIAL U4CE GNL'. - 8EeUlT'R'-REtLA8T~rD 1 INFOKIVIATiION iV

San Onofre Nuclear Generating Station Units 2 and 3 cc:

Mr. Raymond W. Waldo, Vice President, Director, Radiologic Health Branch Nuclear Generation State Department of Health Services Southern California Edison Company P.O. Box 997414, MS 7610 San Onofre Nuclear Generating Station Sacramento, CA 95899-7414 P.O. Box 128 San Clemente, CA 92674-0128 Resident Inspector San Onofre Nuclear Generating Station Mr. Douglas K. Porter, Esquire c/o U.S. Nuclear Regulatory Commission Southern California Edison Company Post Office Box 4329 2244 Walnut Grove Avenue San Clemente, CA 92674 Rosemead, CA 91770 Mayor Dr. David Spath, Chief City of San Clemente Division of Drinking Water and 100 Avenida Presidio Environmental Management San Clemente, CA 92672 California Dept. of Health Services 850 Marina Parkway, Bldg P, 2"d Floor Mr. James T. Reilly Richmond, CA 94804 Southern California Edison Company San Onofre Nuclear Generating Station Chairman, Board of Supervisors P.O. Box 128 County of San Diego San Clemente, CA 92674-0128 1600 Pacific Highway, Room 335 San Diego, CA 92101 Mr. James D. Boyd, Commissioner California Energy Commission Mark L. Parsons 1516 Ninth Street (MS 31)

Deputy City Attorney Sacramento, CA 95814 City of Riverside 3900 Main Street Brian Katz Riverside, CA 92522 Southern California Edison Company San Onofre Nuclear Generating Station Mr. Gary L. Nolff P.O. Box 128 Assistant Director - Resources San Clemente, CA 92764-0128 City of Riverside 3900 Main Street, 40 Floor Mr. Steve Hsu Riverside, CA 92522 Department of Health Services Radiologic Health Branch Regional Administrator, Region IV MS 7610, P.O. Box 997414 U.S. Nuclear Regulatory Commission Sacramento, CA 95899-7414 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-8064 Mr. A. Edward Scherer Southern California Edison Company Mr. Michael L. DeMarco San Onofre Nuclear Generating Station San Diego Gas & Electric Company P.O. Box 128 8315 Century Park Ct. CP21G San Clemente, CA 92674-0128 San Diego, CA 92123-1548 October 2007

Public PKG: ML072900015, Public Letter ML072900021, Non-Public Pkg ML071700413, Non-Public Letter ML072841296, Non-Public Notebook ML071700415, NON-Public Spreadsheet ML071700418 OFFICE NRR/LPL4/PM NRR/LPL4/LA NRR/LPL4/BC NAME NKalyanam JBurkhardt THiltz DATE 10/18/07 10/18/07 10/18/07