DCL-02-058, April 2002 Monthly Operating Report for Diablo Canyon Units 1 & 2

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April 2002 Monthly Operating Report for Diablo Canyon Units 1 & 2
ML021440496
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 05/10/2002
From: Becker J
Pacific Gas & Electric Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
DCL-02-058, GL-97-002
Download: ML021440496 (6)
v • d • e


Text

Pacific Gas and Electric Company James R. Becker Diablo Canyon Power Plant Station Director Mail Code 104/5/504 PO. Box 56 Avila Beach, CA 93424 May 10, 2002 805.545.3462 Fax: 805.545.4234 PG&E Letter DCL-02-058 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 .ReortforApril 2002 Dear Commissioners and Staff Attached is the Monthly Operating Report for Diablo Canyon Power Plant, Units I and 2, for April 2002. This report is submitted in accordance with Technical Specification 5.6.4 and NRC Generic Letter 97-02.

Sincerely, James R. Becker Imp/1713/R0231613 Enclosures cc/enc: Robert D. Glynn, Jr.

Paul R Fox, American Nuclear Insurers Barbara Lewis, McGraw Hill Ellis W. Merschoff, NRC Regional Administrator, Region IV David L Proubx, NRC Senior Resident Inspector Gregory M. Rueger Girija S. Shukla, NRC Project Manager INPO Record Center 7

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A member of the STARS (Strategic Teaming and Resource Sharing) Alliance CaLtaway a Comanche Peak a Diablo Canyon

  • Palo Verde
  • Wotf Creek

Enclosure I PG&E Letter DCL-02-058 APRIL 2002, OPERATION SUMMARIES DIABLO CANYON POWER PLANT UNITS I AND 2 Summary of Unit 1 Operation Unit I began April in Mode 1 (Power Operation), at approximately 100 percent power.

On April 28, 2002, operators reduced power, separated the generator from the grid, and shutdown the reactor to begin the eleventh refueling outage (1R1 1), as planned.

Unit 1 ended the month in Mode 5 (Cold Shutdown).

Summary of Unit 2 Operation Unit 2 began April in Mode I at approximately 100 percent power. 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-02-058 OPERATING DATA REPORT DOCKET NO.: 50-275 UNIT NAME: Diablo Canyon Unit 1 DATE: 05/01/2002 COMPLETED BY: L. M. Parker TELEPHONE: (805) 545-3386 REPORT MONTH: April 2002

1. Design Electrical Rating (MWe - Net): 1,103
2. Maximum Dependable Capacity (MWe - Net): 1,087 This Month YTD Cumulative
3. Number of Hours Reactor Critical: 652.9 2,812.9 130,232.9
4. Number of Hours Generator On-Line: 652.1 2,812.1 128,854.4
5. Unit Reserve Shutdown Hours: 0.0 0.0 0.0
6. Net Electrical Energy Generated (MWH): 718,519 3,095,934 133,254,023 I

Enclosure 2 PG&E Letter DCL-02-058 UNIT SHUTDOWNS DOCKET NO.: 50-275 UNIT NAME: Diablo Canyon Unit 1 DATE: 05/01/2002 COMPLETED BY: L. M. Parker TELEPHONE: (805) 545-3386 REPORT MONTH: April 2002 NO. DATE TYPE DURATION REASON' METHOD CAUSE & CORRECTIVE FYMD)S(FotedW) (HOURS) OF ACTIONS

~YYMDD~SfSSUI~) SDTTN2 COMMENTS 1 020428 S 66.9 C 1 Scheduled Refueling Outage

___ _ __ ____ _ ___ __ __ __ _ ___1 (IRI1)

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-02-058 OPERATING DATA REPORT DOCKET NO.: 50-323 UNIT NAME: Diablo Canyon Unit 2 DATE: 05/0112002 COMPLETED BY: L. M. Parker TELEPHONE: (805) 545-3386 REPORT MONTH: April 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: 719.0 2,847.1 125,528.9
4. Number of Hours Generator On-Line: 719.0 2,842.0 124,066.0
5. Unit Reserve Shutdown Hours: 0.0 0.0 0.0
6. Net Electrical Energy Generated (MWH): 788,707 3,024,311 130,430,243 3

Enclosure 2 PG&E Letter DCL-02-058 UNIT SHUTDOWNS DOCKET NO.: 50-323 UNIT NAME: Diablo Canyon Unit 2 DATE: 05/01/2002 COMPLETED BY: L. M. Parker TELEPHONE: (805) 545-3386 REPORT MONTH: April 2002 NO. DATE TYPE DURATION REASON' METHOD OF CUE&CRETV (VM SD SHUTTINGed ACTIONS (OUR).DOWN' F(Pr~e) 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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