DCL-02-121, September 2002 Monthly Operating Report for Diablo Canyon Units 1 & 2

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September 2002 Monthly Operating Report for Diablo Canyon Units 1 & 2
ML023020484
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 10/14/2002
From: Becker J
Pacific Gas & Electric Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
DCL-02-121, GL-97-002
Download: ML023020484 (6)
v • d • e


Text

and Pacific Gas

'It-PacificGas and ElectricCompany James R. Becker Diablo Canyon Power Plant Station Director Mail Code 104/5/504 P0 Box 56 Avila Beach, CA 93424 October 14, 2002 8055453462 Fax 805 545 4234 PG&E Letter DCL-02-121 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 Operating Report for September 2002

Dear Commissioners and Staff:

Attached is the Monthly Operating Report for Diablo Canyon Power Plant, Units 1 and 2, for September 2002. This report is submitted in accordance with Technical Specification 5.6.4 and NRC Generic Letter 97-02.

Sincerely, James R. cker Imp/1 713/R0237690 Enclosures cc/enc: Paul R. Fox, American Nuclear Insurers Robert D. Glynn, Jr.

Barbara Lewis, McGJaw Hill Ellis W. Merschoff, NRC Regional Administrator, Region IV David L. Proulx, NRC Senior Resident Inspector Gregory M. Rueger I Girija S. Shukla, NRC Project Manager INPO Record Centerl A member of the STARi (Strategic Teaming and Resource Sharing) Alliance Callaway

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Enclosure 1 PG&E Letter DCL-02-121 SEPTEMBER 2002, OPERATION SUMMARIES DIABLO CANYON POWER PLANT UNITS I AND 2 Summary of Unit 1 Operation Unit 1 remained in Mode 1 (Power Operation) at approximately 98 percent power, during September. Operators kept the unit curtailed to limit vibration in the main generator.

Summary of Unit 2 Operation Unit 2 began September in Mode 1 at approximately 100 percent power. On September 19, 2002, operators reduced power to approximately 50 percent as planned to support grid maintenance. Operators returned Unit 2 to approximately 100 percent power later in the day.

Actuations of Safety or Pressurizer 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-02-121 OPERATING DATA REPORT DOCKET NO.: 50-275 UNIT NAME: Diablo Canyon Unit 1 DATE: 10/01/2002 COMPLETED BY: L. M. Parker TELEPHONE: (805) 545-3386 REPORT MONTH: September 2002

1. Design Electrical Rating (MWe - Net): 1 1,103
2. Maximum Dependable Capacity (MWe - Net): 1,087 This Month YTD Cumulative
3. Number of Hours Reactor Critical: 720.0 5,835.5 133,255.5
4. Number of Hours Generator On-Line: 720.0 5,718.2 131,760.5
5. Unit Reserve Shutdown Hours: 0.0 0.0 0.0
6. Net Electrical Energy Generated (MWH): 777,507 6,107,388 136,265,477 I

, I Enclosure 2 PG&E Letter DCL-02-121 UNIT SHUTDOWNS DOCKET NO.: 50-275 UNIT NAME: Diablo Canyon Unit 1 DATE: 10/01/2002 COMPLETED BY: L. M. Parker TELEPHONE: (805) 545-3386 REPORT MONTH: September 2002 NO. DATE TYPE DURATION REASON1 METHOD CAUSE & CORRECTIVE (YYMMDD) F(Forced) (HOURS) OF ACTIONS S (Scheduled)

SSHUTTING DOWN 2 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-02-121 OPERATING DATA REPORT DOCKET NO.: 50-323 UNIT NAME: Diablo Canyon Unit 2 DATE: 10/01/2002 COMPLETED BY: L. M. Parker TELEPHONE: (805) 545-3386 REPORT MONTH: September 2002

1. Design Electrical Rating (MWe - Net): 1119
2. Maximum Dependable Capacity (MWe - Net): 1087 This Month YTD Cumulative
3. Number of Hours Reactor Critical: 720.0 6,519.1 129,200.9
4. Number of Hours Generator On-Line: 720.0 6,514.0 127,738.0
5. Unit Reserve Shutdown Hours: 0.0 0.0 0.0
6. Net Electrical Energy Generated (MWH): 780,596 6,999,815 134,405,747 3

Enclosure 2 PG&E Letter DCL-02-121 UNIT SHUTDOWNS DOCKET NO.: 50-323 UNIT NAME: Diablo Canyon Unit 2 DATE: 10/01/2002 COMPLETED BY: L. M. Parker TELEPHONE: (805) 545-3386 REPORT MONTH: September 2002 NO. DATE TYPE DURATION REASON1 METHOD CAUSE & CORRECTIVE (YYMMDD) F(Forced) (HOURS) OF ACTIONS S (Scheduled)

SHUTTING DOWN 2 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) 4

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