ML041970282
| ML041970282 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 07/12/2004 |
| From: | Scherer A Southern California Edison Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML041970282 (9) | |
Text
SOUTHERN CALIFORNIA EDISON1 An EDISO\\ I.NTERNATIONALt Company A. Edward Scherer Manager of Nuclear Regulatory Affairs July 12, 2004 U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555
Subject:
Docket Nos. 50-361 and 50-362 Monthly Operating Reports for June 2004 San Onofre Nuclear Generating Station, Units 2 and 3 Gentlemen:
As required by Technical Specification 5.7.1.4 of Facility Operating Licenses NPF-10 and NPF-15, this letter provides the Monthly Operating Reports for June 2004 for San Onofre Nuclear Generating Station, Units 2 and 3, Attachments I and 2, respectively.
If you have any questions, please contact Mr. C. E. Williams at (949) 368-6707.
Sincerely, C
a Attachments 1 & 2 cc:
B. S. Mallett, Regional Administrator, NRC Region IV B. M. Pham, NRC Project Manager, San Onofre Units 2 & 3 C. C. Osterholtz, NRC Senior Resident Inspector, San Onofre Units 2 & 3 P.O. Box 128 San Clemente. CA 92674-0128 949-368-7501 Fax 949-368-7575
>6ZS~
Attachment I Monthly Operating Report, June 2004 San Onofre Nuclear Generating Station, Unit 2
MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 2 June 2004 Docket No:
Unit Name:
Date:
Completed by:
Telephone:
50-361 SONGS - 2 July 12, 2004 C. E. Williams (949) 368-6707 Page 2 of 4 OPERATING DATA REPORT I I I Design Electrical Rating (Net MWe) l 1070 2 l Maximum Dependable Capacity (Net MWe) l 1070 This Month Yr-to-Date Cumulative 3
Number of Hours in Period 720 4,367 182,952 Number of Hours Reactor Was Critical*
720 3,070 148,842 5
Hours Generator On-line*
720 2,939 146,869 6
Unit Reserve Shutdown Hours 0
0 0
Net Electrical Energy Generated (MWh)*
807,206 3,230,360 1 157,346,316
- Rounded
MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 2 June 2004 Docket No:
Unit Name:
Date:
Completed by:
Telephone:
50-361 SONGS - 2 July 12, 2004 C. E. Williams (949) 368-6707 Page 3 of 4 UNIT SHUTDOWNS Number N/A Date (YY/MM/DD)
N/A Type (1)
N/A Duration (Hours)*
N/A Reason (2)
N/A Method of Shutting Down the Reactor (3)
N/A Cause/Corrective Actions/Comments N/A (Include LER number, if any)__
- Rounded (1) F-Forced S-Scheduled (2) Reason:
A-Equipment Failure (Explain)
B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training & Ucense Examination F-Administrative G-Operational Error (Explain)
H-Other (Explain)
(3) Method:
1-Manual 2-Manual Trip/Scram 3-Automatic Trip/Scram 4-Continuation from Previous Month (Explain) 5-Other (Explain)
MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 2 June 2004 Docket No:
Unit Name:
Date:
Completed by:
Telephone:
50-361 SONGS - 2 July 12, 2004 C. E. Williams (949) 368-6707 Page 4 of 4
SUMMARY
OF OPERATING EXPERIENCE FOR THE MONTH Date Time 06101/04 l 0000 I Unit in Mode 1.
06130104 l 2400 l Unit in Mode 1.
Note: There were no challenges to the pressurizer safety valves during the month.
Monthly Operating Report, June 2004 San Onofre Nuclear Generating Station, Unit 3
MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 3 June 2004 Docket No:
Unit Name:
Date:
Completed by:
Telephone:
50-362 SONGS - 3 July 12, 2004 C. E. Williams (949) 368-6707 Page 2 of 4 OPERATING DATA REPORT I1 Design Electrical Rating (Net MWe)
I 1080 2
Maximum Dependable Capacity (Net MWe)
I 1080 l
This Month Yr-to-Date Cumulative 3
Number of Hours in Period 720 4,367 177,503 l
4 Number of Hours Reactor Was Critical*
676 4,161 147,509 5
Hours Generator On-line*
664 4,140 145,360 6
Unit Reserve Shutdown Hours 0
0 0
7 Net Electrical Energy Generated (MWh)*
730,003 4,601,598 154,133,809
- Rounded
MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 3 June 2004 Docket No:
Unit Name:
Date:
Completed by:
Telephone:
50-362 SONGS - 3 July 12, 2004 C. E. Williams (949) 368-6707 Page 3 of 4 UNIT SHUTDOWNS Number 2004-02 Date (YY/MM/DD) 04/06/04 Type (1)
F Duration (Hours)*
55.7 Reason (2)
H Method of Shutting Down the Reactor (3) 2 Plant operators manually tripped the reactor due to degraded circulating water pump suction caused by heavy influx of sea grass. This event was Cause/Corrective Actions/Comments reported in LER 2004-001, dated (Include LER number, if any)
July 2, 2004.
- Rounded (1) F-Forced S-Scheduled (2) Reason:
A-Equipment Failure (Explain)
B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training & Lcense Examination F-Administrative G-Operational Error (Explain)
H-Other (Explain)
(3) Method:
1-Manual 2-Manual Trip/Scram 3-Automatic Trip/Scram 4-Continuation from Previous Month (Explain) 5-Other (Explain)
MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 3 June 2004 Docket No:
Unit Name:
Date:
Completed by:
Telephone:
50-362 SONGS - 3 July 12, 2004 C. E. Williams (949) 368-6707 Page 4 of 4
SUMMARY
OF OPERATING EXPERIENCE FOR THE MONTH Date Time 06/01104 0000 Unit in Mode 1.
06/04/04 0445 Plant operators manually tripped the reactor due to degraded circulating water pump suction caused by heavy influx of sea grass. Entered Mode 3.
06/06/04 0023 Unit entered Mode 2.
06/06/04 0053 Reactor critical.
06/06/04 0317 Unit entered Mode 1.
06/06/04 1229 Turbine and Main Generator synchronized to the grid.
06/07/04 1005 Unit returned to essentially full power.
06/30/04 2400 Unit in Mode 1.
Note: There were no challenges to the pressurizer safety valves during the month.