ML13331A486
| ML13331A486 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 09/10/1990 |
| From: | Nandy F SOUTHERN CALIFORNIA EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML13310A265 | List: |
| References | |
| NUDOCS 9009140005 | |
| Download: ML13331A486 (1) | |
Text
Southern California Edison Company 23 PARKER STREET IRVINE, CALIFORNIA 92718 F. R. NANDY TELEPHONE MANAGER. NUCLEAR LICENSING September 10, 1990 (7)587-5400 U. S. Nuclear Regulatory Commission Attention:
Document Control Desk Washington, D. C. 20555 Gentlemen:
Subject:
Docket No. 50-206 Supplement to Amendment Application No. 185 San Onofre Nuclear Generating Station Unit 1 The purpose of this letter is to provide you with the design calculation and the manufacturer's outline drawing for the Auxiliary Feedwater System (AFWS) venturis. As you know, we are installing new venturis in the AFWS to limit flow to each steam generator to less than 150 gpm. In a telephone conversation on July 24, 1990, you requested this information for use in your review of the subject Amendment Application. In accordance with your request, the SCE venturi design calculation is provided as Enclosure 1 and the manufacturer's outline drawing containing the venturi data is provided as Enclosure 2.
If you have any questions on this matter, please do not hesitate to call me.
Very truly you 7 Enclosures cc: J. B. Martin, Regional Administrator, NRC Region V C. Caldwell, NRC Senior Resident Inspector, San Onofre Units 1, 2, and 3 9009140005 900910 10 04 PDR ADOCK 05000206 P