ML021960448

June 2002 Monthly Operating Report for San Onofre Nuclear Generating Station Units 2 and 3

ML021960448
Person / Time
Site:	San Onofre
Issue date:	07/11/2002
From:	Scherer A Southern California Edison Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML021960448 (9)

Text

I SOUTHERN CALIFORNIA EDISON An EDISON INTERNATIONAL"' Company A Edward Scherer Manager of Nuclear Oversight and Regulatory Affairs July 11,2002 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, 2002 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-1 5, this letter provides the Monthly Operating Report for San Onofre Nuclear Generating Station, Units 2 and 3. This report is required to provide the operating statistics, shutdown experience, and documentation of all challenges to pressurizer safety valves, for each unit. Attachments 1 and 2 provide the subject report for Units 2 and 3, respectively. There were no challenges to pressurizer safety valves for either Unit 2 or 3.

If you have any questions, please contact Mr. Clay E. Williams at (949) 368-6707.

Sincerely, Attachments 1 & 2 cc:

E. W. Merschoff, Regional Administrator, NRC Region IV A. B. Wang, NRC Project Manager, San Onofre Units 2 & 3 C. C. Osterholtz, NRC Senior Resident Inspector, San Onofre Units 2 & 3 P.

0. Box 128 San Clemente, CA 92674-0128 949-368-7501 Fax 949-368-6085 NRC Monthly Operating Report, June, 2002 San Onofre Nuclear Generating Station, Unit 2

USNRC MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 2 June, 2002 Docket No:

Unit Name:

Date:

Completed by:

Telephone:

50-361 SONGS - 2 July 11, 2002 C. E. Williams (949) 368-6707 Page 2 of 4 OPERATING DATA REPORT 1

Design Electrical Rating (Net MWe) 1070 2

Maximum Dependable Capacity (Net MWe) 1 1070 This Month Yr-to-Date Cumulative 3

Number of Hours in Period 720 4,343 165,408 4

Number of Hours Reactor Was Critical

• 20 3,366 132,754 5

Hours Generator On-line

• 0 3,346 130,987 6

Unit Reserve Shutdown Hours 0

0 0

_7 Net Electrical Energy Generated (MWh) 0 3,774,947 139,667,962

• Rounded

USNRC MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 2 June, 2002 Docket No:

Unit Name:

Date:

Completed by:

Telephone:

50-361 SONGS - 2 July 11, 2002 C. E. Williams (949) 368-6707 Page 3 of 4 UNIT SHUTDOWNS (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)

Number 2002-01 Date (YY/MM/DD) 02/05/20 Type (1)

S Duration (Hours) 720 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 12 Refueling Outage

USNRC MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 2 June, 2002 Docket No:

Unit Name:

Date:

Completed by:

Telephone:

50-361 SONGS - 2 July 11, 2002 C. E. Williams (949) 368-6707 Page 4 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time 06/01/02 0001 Unit in Mode 6, defueled.

06/13/02 1420 Unit in Mode 6. Reactor core reload begins.

06/17/02 0045 Reactor core reload complete.

06/20/02 1112 Unit in Mode 5.

06/26/02 1554 Unit in Mode 4.

06/27/02 1813 Unit in Mode 3.

06/29/02 2231 Unit in Mode 2.

06/30/02 1643 Unit in Mode 1.

06/30/02 1858 Reactor Trip from approximately 18% Reactor Power due to Main Steam Isolation Signal. Unit in Mode 3.

06/30/02 2400 Unit in Mode 3.

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

NRC Monthly Operating Report, June, 2002 San Onofre Nuclear Generating Station, Unit 3

USNRC MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 3 June, 2002 Docket No:

Unit Name:

Date:

Completed by:

Telephone:

50-362 SONGS - 3 July 11, 2002 C. E. Williams (949) 368-6707 Page 2 of 4 OPERATING DATA REPORT 1

Design Electrical Rating (Net MWe)

I IAQA I

IuJJ 2

Maximum Dependable Capacity (Net MWe) 1080 This Month Yr-to-Date Cumulative 3

Number of Hours in Period 720 4,343 159,959 4

Number of Hours Reactor Was Critical

• 720 4,269 131,160 5

Hours Generator On-line*

720 4,241 129,061 6

Unit Reserve Shutdown Hours

• 0 0

0 7

Net Electrical Energy Generated (MWh)

• 791,542 4,695,221 136,083,009

• Rounded I

i nQn

USNRC MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 3 June, 2002 Docket No:

Unit Name:

Date:

Completed by:

Telephone:

50-362 SONGS - 3 July 11, 2002 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)

(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)

USNRC MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 3 June, 2002 Docket No:

50-362 Unit Name:

SONGS - 3 Date:

July 11, 2002 Completed by: C. E. Williams Telephone:

(949) 368-6707 Page 4 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time 06/01/02 0001 Unit in Mode 1.

06/30/02 2400 Unit in Mode 1.

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