ML041050380

March 2004 Monthly Operating Report for San Onofre Units 2 & 3

ML041050380
Person / Time
Site:	San Onofre
Issue date:	04/12/2004
From:	Scherer A Southern California Edison Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML041050380 (9)

Text

7&j SOUTHERN CAIFORNIA A. Edward Scherer

_DS EDI S O NCa Manager of Nuclear Regulatory Affairs An EDISON INTERNVATIONVALS Company April 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 March 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 March 2004 for San Onofre Nuclear Generating Station, Units 2 and 3, Attachments 1 and 2, respectively.

Ifyou have any questions, please contact Mr. C. E. Williams at (949) 368-6707.

Sincerely, Attachments 1 & 2 cc: B. S. Mallelt, 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, March 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: April 12,2004 March 2004 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 2 of 4 OPERATING DATA REPORT I I I Design Electrical Rating (Net MWe) l 1070 l 2 lMaximum Dependable Capacity (Net MWe) l 1070 This Month Yr-to-Date Cumulative 3 Number of Hours in Period 744 2,184 180,769 4 Number of Hours Reactor Was Critical* 29 978 146,750 5 Hours Generator On-line* 0 948 144,878 6 Unit Reserve Shutdown Hours 0 °0 0 7 Net Electrical Energy Generated (MWh)* 1 0 1 1,062,407 , 155,178,364

• Rounded

MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 2 UNIT 2 Date: April 12, 2004 March 2004 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 3 of 4 UNIT SHUTDOWNS Number 2004-01 Date (YY/MM/DD) 04/02/09 Type (1) S Duration (Hours)* 744.0 Reason (2) C Method of Shutting Down the Reactor (3) 4 Cause/Corrective Actions/Comments Continuation of Scheduled Unit 2 (Include LER number, if any) Cycle 13 Refueling Outage

' Rounded (1) F-Forced S-Scheduled (2) Reason: A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training & License 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: April 12, 2004 March 2004 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 4 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time 03/01/04 0000 Unit defueled.

03/06/04 1851 Entered Mode 6.

03/15/04 0138 Entered Mode 5.

03/20/04 1513 Entered Mode 4.

03/21/04 2301 Entered Mode 3.

03/23/04 1701 Entered Mode 2.

03/23/04 1756 Reactor critical.

03/24/04 2325 Based on decision to repair failed Resistance Temperature Detector (RTD) on Reactor Coolant Cold Leg, manually tripped reactor and entered Mode 3.

03/25/04 1559 Entered Mode 4.

03/26/04 1650 Entered Mode 5.

03/31/04 2400 Unit in Mode 5.

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

Attachment 2 Monthly Operating Report, March 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: April 12,2004 March 2004 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 2 of 4 OPERATING DATA REPORT I 1 l Design Electrical Rating (Net MWe) l 1080 2 lMaximum Dependable Capacity (Net MWe) 1080 This Month Yr-to-Date Cumulative 3 Number of Hours in Period 744 l 2,184 175,320 4 Number of Hours Reactor Was Critical* 744 2,023 145,370 5 Hours Generator On-line* 744 2,013 143,233 6 Unit Reserve Shutdown Hours 0 2, 0 7 Net Electrical Energy Generated (MWh)* 831,733 2,235,864 151,768,074

• Rounded

MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 3 UNIT 3 Date: April 12, 2004 March 2004 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 3 of 4 UNIT SHUTDOWNS Number N/A Date (YYIMM/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 & License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

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

MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 3 UNIT 3 Date: April 12, 2004 March 2004 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 4 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time 03/01/04 l0000 I Unit in Mode 1.

03/31/04 l 2400 l Unit in Mode 1.

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