DCL-02-131, October 2002 Monthly Operating Report for Diablo Canyon Units 1 & 2

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October 2002 Monthly Operating Report for Diablo Canyon Units 1 & 2
ML023360065
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 11/15/2002
From: Becker J
Pacific Gas & Electric Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
DCL-02-131, GL-97-002
Download: ML023360065 (6)
v • d • e


Text

and PacificGas PacificGas and Electric Company Diablo Canyon Power Plant PO Box 56 Avila Beach, CA 93424 800 545 6000 November 15, 2002 PG&E Letter DCL-02-131 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 October 2002

Dear Commissioners and Staff:

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

Sincerely, James R. Becker Vice President,DCPPOperationsand Stabon Diredor Imp/1713/R0238527 Enclosures cclenc: Paul R. Fox, American Nuclear Insurers Robert D. Glynn, Jr.

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

  • Comanche Peak e Diablo Canyon e Palo Verde
  • Wolf Creek 7

Enclosure 1 PG&E Letter DCL-02-131 OCTOBER 2002, OPERATION SUMMARIES DIABLO CANYON POWER PLANT UNITS I AND 2 Summary of Unit 1 Operation Unit 1 began October in Mode 1 (Power Operation) at approximately 98 percent power.

Operators kept the unit curtailed 2 percent to limit vibration in the main generator. On October 12, operators reduced power to approximately 53 percent in order to repair condenser tube leaks. On October 13, operators returned the unit to approximately 98 percent power. On October 20, operators reduced power and separated Unit 1 from the grid at 14:02 PDT in order to perform planned turbine generator maintenance. On October 27, Unit I entered Mode 5 (Cold Shutdown).

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

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-02-131 OPERATING DATA REPORT DOCKET NO.: 50-275 UNIT NAME: Diablo Canyon Unit 1 DATE: 11/01/2002 COMPLETED BY: L. M. Parker TELEPHONE: (805) 545-3386 REPORT MONTH: October 2002

1. Design Electrical Rating (MWe - Net): 1 1,103
2. Maximum Dependable Capacity (MWe - Net): 1,087 r 1--

This Month YTD Cumulative

3. Number of Hours Reactor Critical: 470.8 6,306.3 133,726.3
4. Number of Hours Generator On-Line: 470.0 6,188.2 132,230.5
5. Unit Reserve Shutdown Hours: 0.0 0.0 0.0
6. Net Electrical Energy Generated (MWH): 488,686 6,596,0741 136,754,163 1

Enclosure 2 PG&E Letter DCL-02-131 UNIT SHUTDOWNS DOCKET NO.: 50-275 UNIT NAME: Diablo Canyon Unit 1 DATE: 11/01/2002 COMPLETED BY: L. M. Parker TELEPHONE: (805) 545-3386 REPORT MONTH: October 2002 NO. DATE TYPE DURATION REASON' METHOD CAUSE & CORRECTIVE (YYMMBD) F (Forced) (HOURS) OF ACTIONS S (Sceduld) SHUTTING COMMENTS DOWN2 3 021020 S 275 A 1 Unit 1 entered a planned mid-cycle shutdown to investigate generator vibrations The rotor is being replaced thus extending the outage.

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-02-131 OPERATING DATA REPORT DOCKET NO.: 50-323 UNIT NAME: Diablo Canyon Unit 2 DATE: 11/01/2002 COMPLETED BY: L. M. Parker TELEPHONE: (805) 545-3386 REPORT MONTH: October 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: 745.0 7264.1 129,945.9
4. Number of Hours Generator On-Line: 745.0 7259.0 128,483.0
5. Unit Reserve Shutdown Hours: 0.0 0.0 0.0
6. Net Electrical Energy Generated (MWH): 815,386 7,815,201 135,193,622 3

Enclosure 2 PG&E Letter DCL-02-131 UNIT SHUTDOWNS DOCKET NO.: 50-323 UNIT NAME: Diablo Canyon Unit 2 DATE: 11/01/2002 COMPLETED BY: L. M. Parker TELEPHONE: (805) 545-3386 REPORT MONTH: October 2002 NO. DATE TYPE DURATION REASON1 METHOD CAUSE & CORRECTIVE (YYMMDD) F(Forced) (HOURS) OF ACTIONS S (Scheduled) SHUTTING2 COMMENTS DOWN 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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