ML062980205
| ML062980205 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 10/20/2006 |
| From: | Scherer A Southern California Edison Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| ISI-03-22 | |
| Download: ML062980205 (2) | |
Text
ISOUTHERN CALIFORNIA EDISON
,An EDISON INTERNATIONAL Company A. Edward Scherer Manager of Nuclear Regulatory Affairs October 20, 2006 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001
Subject:
Reference:
Docket No. 50-362 Additional Information Supporting the Third Ten-Year Inservice Inspection (ISI) Interval Relief Request ISI-3-22 for Alternative to ASME Code Rules for the Inside Diameter Structural Weld Overlay Repair Process for Control Element Drive Mechanism (CEDM) #56 San Onofre Nuclear Generating Station, Unit 3 Letter from A. E. Scherer to the U. S. Nuclear Regulatory Commission dated May 11, 2006;
Subject:
Docket No. 50-362, Third Ten-Year Inservice Inspection (ISI) Interval Relief Request ISI-3-22 Request for Alternative to ASME Code Rules for the Inside Diameter Structural Weld Overlay Repair Process for Control Element Drive Mechanism (CEDM)
- 56, San Onofre Nuclear Generating Station, Unit 3
Dear Sir or Madam:
By letter dated May 11, 2006 (referenced), Southern California Edison (SCE) submitted Inservice Inspection (ISI) Relief Request ISI-3-22. In support of the NRC staff's review of Relief Request ISI-3-22, SCE is making the following commitment:
SCE will provide:
- 1) a comparison of the proposed inspection technique to the technique used in the Electric Power Research Institute (EPRI) Material Reliability Program (MRP)-89 demonstration report, and
- 2) the results of the Westinghouse technical justification analysis of the capability to monitor the residual indication and detect future growth in a manner consistent with the original EPRI - MRP demonstration.
P.O. Box 128 San Clemente, CA 92672 949-368-7501 Fax 949-368-7575 6ý7
Document Control Desk October 20, 2006 If you have any questions or would like additional information concerning this subject, please contact Ms. Lynn Pressey at (949) 368-6351.
Sincerely, cc:
B. S. Malleft, Regional Administrator, NRC Region IV N. Kalyanam, NRC Project Manager, San Onofre Units 2 and 3 C. C. Osterholtz, NRC Senior Resident Inspector, San Onofre Units 2 and 3