DCL-03-099, July 2003 Monthly Operating Report for Diablo Canyon, Units 1 & 2

July 2003 Monthly Operating Report for Diablo Canyon, Units 1 & 2

ML032340666
Person / Time
Site:	Diablo Canyon
Issue date:	08/15/2003
From:	Becker J Pacific Gas & Electric Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
DCL-03-099, GL-97-002
Download: ML032340666 (6)

Text

Pacific Gas and Hectic Company James L Becker Diablo Canyon Power Plant Vice President-Diablo Canyon PO. Box 56 Operations and Station Director Avila Beach, CA 93424 August 15, 2003 805.545.3462 Fax: 805.545.4234 PG&E Letter DCL-03-099 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Docket No. 50-275, OL-DPR-80 Docket No. 50-323, OL-DPR-82 Diablo Canyon Units 1 and 2 Monthly ODerating Renort for Julv 2003

Dear Commissioners and Staff:

Attached is the Monthly Operating Report for Diablo Canyon Power Plant, Units 1 and 2, for July 2003. This report is submitted in accordance with Technical Specification 5.6.4 and NRC Generic Letter 97-02.

Sincerel James R. Becker SMG/1713/R0248648 Enclosures cclenc: Paul R. Fox, American Nuclear Insurers Robert D. Glynn, Jr.

Thomas P. Gwynn, NRC Regional Administrator, Region IV David L. ProuIx, NRC Senior Resident Inspector Gregory M. Rueger Girija S. Shukla, NRC Project Manager INPO Record Center 112.)

A member of the STARS (Strategic Teaming and Resource Sharing) Alliance Callaway

• Comanche Peak

• Diablo Canyon

• Palo Verde

• South Texas Project

• Wolf Creek

Enclosure I PG&E Letter DCL-03-099 JULY 2003, OPERATION SUMMARIES DIABLO CANYON POWER PLANT UNITS I AND 2 Summary of Unit I Operation Unit I began the month in Mode 1 (Power Operation), ramping up from approximately 57 percent power, after the completion of tunnel cleaning in the circulating water system.

After reaching approximately 100 percent power on July 1,2003, Unit 1 remained at that power level for the remainder of the month. There were no significant operational activities.

Summary of Unit 2 Operation Unit 2 remained in Mode 1, at approximately 100 percent power during July 2003. There were no significant operational activities.

Actuations of Pressurizer Safety or Power Operated Relief Valves There were no challenges to the pressurizer power operated relief valves, pressurizer safety valves, or steam generator safety valves.

Enclosure 2 PG&E Letter DCL-03-099 OPERATING DATA REPORT

-DOCKET NO.: 50-275 UNIT NAME: Diablo Canyon Unit 1 DATE: 08/01/2003 COMPLETED BY: S. Guess TELEPHONE: (805) 545-4692 REPORT MONTH: July 2003 I 1. I Design Electrical Rating (MWe - Net): I 1,103 l l 2. lMaximum Dependable Capacity(Mwe - Net): l 1,087l This Month YTD Cumulative

3. Number of Hours Reactor Critical: 744.0 5,087.0 139,313.8

4. Number of Hours Generator On-Line: 744.0 5,087.0 137,796.6

5. UUnit Reserve Shutdown Hours: 0.0 0.0 0.0

6. Net Electrical Energy Generated (MWH): 821,615 5,569,499 142,775,798 I

Enclosure 2 PG&E Letter DCL-03-099 UNIT SHUTDOWNS DOCKET NO.: 50-275 UNIT NAME: Diablo Canyon Unit 1 DATE: 08/01/2003 COMPLETED BY: S. Guess TELEPHONE: (805) 545-4692 REPORT MONTH: July 2003 NO. DATE TYPE DURATION REASON' METHOD CAUSE & CORRECTIVE CrYMDD)F forced)

(YYMMDD) FS (Scheduled)

(HOURS) OF SHUTTING ACTIONS DW2 COMMENTS N/A There were no shutdowns this month.

1. Reason 2. Method A-Equipment Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Trip/Scram C-Refueling 3-Automatic Trip/Scram D-Regulatory Restriction 4-Continuation from Previous Month E-Operator Training/License Examination 5-Other F- Administrative G-Operational Error (Explain)

H-Other (Explain) 2

Enclosure 2 PG&E Letter DCL-03-099 OPERATING DATA REPORT DOCKET NO.: 50-323 UNIT NAME: Diablo Canyon Unit 2 DATE: 08/01/2003 COMPLETED BY: S. Guess TELEPHONE: (805) 5454692 REPORT MONTH: July 2003 l 1. I Design Electrical Rating (MWe - Net): l 1119 l

2. 1Maximum Dependable Capacity(MWe - Net): I 1087 1 This Month YTD Cumulative

3. Number of Hours Reactor Critical: 744.0 3,618.4 134,976.9

4. Number of Hours Generator On-Line: 744.0 3,553.2 133,441.1

5. Unit Reserve Shutdown Hours: 0.0 0.0 0.0

6. Net Electrical Energy Generated (MWH): 817,586 3,723,856 140,415,846 3

Enclosure 2 PG&E Letter DCL-03-099 UNIT SHUTDOWNS DOCKET NO.: 50-323 UNIT NAME: Diablo Canyon Unit 2 DATE: 08/0112003 COMPLETED BY: S. Guess TELEPHONE: (805) 545-4692 REPORT MONTH: July 2003 NO. DATE

_(WYMDD)

TYPE Fre)

DURATION (HOURS) REASON' METHOD OF CAUSE ACTIONS

& CORRECTIVE S (Scheduled) 2HTTN COMMENTS DOWN2 N/A Therewere no shutdowns this month.

1. Reason 2. Method A-Equipment Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Trip/Scram C-Refueling 3-Automatic Trip/Scram D-Regulatory Restriction 4-Continuation from Previous Month E-Operator Training/Ucense Examination 5-Other F- Administrative G-Operational Error (Explain)

H-Other (Explain) 4