ML20151N837
| ML20151N837 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 12/27/1985 |
| From: | Medford M SOUTHERN CALIFORNIA EDISON CO. |
| To: | Knighton G Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20151N843 | List: |
| References | |
| TAC-62848, TAC-62849, NUDOCS 8601030159 | |
| Download: ML20151N837 (2) | |
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Southern California Edison Company P. O. BOX 800 2244 WALNUT GROVE AVENUF ROSEMEAD, CALIFORNIA 91770 M.O.MEDFORD TELEPHONE MQNAGER. NUCLEAR LICENSING (8181302 1749 Director, Office of Nuclear Reactor Regulation Attention: Mr. George W. Knighton, Director PWR Project Directorate No. 7 Division of PWR Licensing - B U. S. Nuclear Regulatory Commission Washington, D.C.
20555 Gentlemen:
Subject:
Docket No. 50-362 San Onofre Nuclear Generating Station Unit 3 The Southern California Edison Company (SCE) submitted on January 6, 1983 a package of formal documentation on the Natural Circulation Test Program pursuant to the recommendations of NRL Branch Technical Position (BTP) RSB 5-1, " Design Requirements of the Residual Heat Removal System." The pertinent submittal included the following:
1.
CEN-201(S) Supplement No. 1, Natural Circulation Test Program, San Onofre Nuclear Generating Station, Unit 2 Natural Circulation Cooldown, January, 1983.
2.
Loss of Offsite Power, Procedure 2PA-381-01, Revision 0, San Onofre Nuclear Generating Station, Unit 2.
3.
Natural Circulation Test, Procedure 2PA-215-01, Revision 1, San Onofre Nuclear Generating Station, Unit 2.
In addition, the NRC was informed then that the natural circulation cooldown from the control room under simulated loss-of-offsite power conditions and from shutdown would be performed on San Onofre Nuclear Generating S'ation (SONGS), Unit 3 during its Cycle 1 refueling outage. The c
NRC subsequently requested per NRC/SCE telephone conversations dated September 5 and 10,-1984 that a SONGS 3 Natural Circulation Test Report be submitted after the test.
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Enclosed is the Songs 3 Natural Circulation Test Report which reflects the revised testing scope on natural circulation to demonstrate the RSB 5-1 scenario consistent with the agreements set forth in the January 6, 1983 letter. The demonstration tests were successfully completed on September 16 and 17, 1985.
The tests demonstrated that SONGS 3 could successfully and remotely enter shutdown cooling from natural circulation. These tests further demonstrated satisfactory conformance with the requirements of RSB 5-1 by SONGS Units 2 and 3..
If you have any questions regarding this test report, please let me
- know, i
Very truly yours, h.
SPW:5650F Enclosures cc: Harry Rood, NRC Project Manager F. R. Huey, USNRC Senior Resident Inspector, Units 1, 2 and 3
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