ML040490226

January 2004 Monthly Operating Report for San Onofre Nuclear Generating Station, Units 2 and 3

ML040490226
Person / Time
Site:	San Onofre
Issue date:	02/13/2004
From:	Scherer A Southern California Edison Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML040490226 (9)

Text

SOUTHERN CALIFORNIA A. Edward Scherer EDISON C Manager of Nuclear Regulatory Affairs An EDISON INTERNA TIONALt Company February 13, 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 January 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 January 2004 for San Onofre Nuclear Generating Station, Units 2 and 3, Attachments 1 and 2, respectively.

If you have any questions, please contact Mr. Geoff Cook at (949) 368-7571.

Sincerely, 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

Attachment I Monthly Operating Report, January 2004 San Onofre Nuclear Generating Station, Unit 2

MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 2 UNIT 2 Date: February 13, 2004 January 2004 Completed by: G. Cook Telephone: (949) 368-7571 Page 2 of 4 OPERATING DATA REPORT I1 l Design Electrical Rating (Net MWe) l 1070 2 1 Maximum Dependable Capacity(Net MWe) l 1070 l This Month Yr-to-Date Cumulative 3 Number of Hours in Period 744 744 179,329 4 Number of Hours Reactor Was Critical* 744 744 146,517 5 Hours Generator On-line* 744 744 144,674 6 Unit Reserve Shutdown Hours 0 0 0 7 Net Electrical Energy Generated (MWh)* 837,927 837,927 154,953,884

• Rounded

MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 2 UNIT 2 Date: February 13, 2004 January 2004 Completed by: G. Cook Telephone: (949) 368-7571 Page 3 of 4 UNIT SHUTDOWNS Number NIA 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) I__

• 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 Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 2 UNIT 2 Date: February 13, 2004 January 2004 Completed by: G. Cook Telephone: (949) 368-7571 Page 4 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time l 01/01/04 l 0000 I Unitin Mode 1.

01/31/04 l 2400 l Unit in Mode 1. I1 Note: There were no challenges to the pressurizer safety valves during the month.

Attachment 2 Monthly Operating Report, January 2004 San Onofre Nuclear Generating Station, Unit 3

MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 3 UNIT 3 Date: February 13, 2004 January 2004 Completed by: G. Cook Telephone: (949) 368-7571 Page 2 of 4 OPERATING DATA REPORT I I Design Electrical Rating (Net MWe) 1 1080 2 Maximum Dependable Capacity (Net MWe) 1080 This Month Yr-to-Date Cumulative 3 Number of Hours in Period 744 744 173,880 4 Number of Hours Reactor Was Critical* 583 583 143,930 5 Hours Generator On-line* 573 573 141,793 6 Unit Reserve Shutdown Hours 0 0 0 7 Net Electrical Energy Generated (MWh)* 637,290 637,290 150,169,500

• Rounded

MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 3 UNIT 3 Date: February 13, 2004 January 2004 Completed by: G. Cook Telephone: (949) 368-7571 Page 3 of 4 UNIT SHUTDOWNS Number 2004-01 Date (YY/MMWDD) 04/01/24 Type (1) F Duration (Hours)

• 171.0 Reason (2) A Method of Shutting Down the Reactor (3) 1 Cause/Corrective Actions/Comments Shutdown needed to repair a minor leak (Include LER number, if any) in the Chemical and Volume Control

_System inside the containment building. _

• 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-AdmInisrative G-Operatlonal Error (Explain)

H4-her (Explain)

(3) Method: 1-Manual 2-Manual Trip/Scram 3-Automatic TriplScram 4-Continuation from Previous Month (Explain) 5-Other (Explain)

- I MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 3 UNIT 3 Date: February 13, 2004 January 2004 Completed by: G. Cook Telephone: (949) 368-7571 Page 4 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time 01101/04 0000 Unit in Mode I at essentially full power.

01/24/04 1222 Commenced Unit 3 shutdown to repair a minor leak in the Chemical and Volume Control System (CVCS) inside the containment building.

01/24/04 1956 Manually tripped Main Turbine and Generator. Unit offline.

01/24/04 1958 Manually tripped Reactor from approximately 15% power. Unit entered Mode 3.

01/25/04 0920 Unit entered Mode 4.

01/30104 1204 Unit entered Mode 3.

01/31/04 1229 Unit entered Mode 2.

01/31/04 1326 Reactor critical.

01/31/04 1644 Unit entered Mode 1.

01/31/04 2254 Generator synchronized to the grid.

01/31/04 2400 Unit in Mode I at reduced power.

Note: There were no challenges to the pressurizer safety valves during the month.