ML032120536

June 2003 Monthly Operating Report for Columbia Generating Station

ML032120536
Person / Time
Site:	Columbia
Issue date:	07/14/2003
From:	Oxenford W Energy Northwest
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
G02-03-108
Download: ML032120536 (3)

Text

ENERGY NORTHWEST PO. Box 968 a Richiand, Washington 99352-0968 July 14, 2003 G02-03-108 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001

Subject:

COLUMBIA GENERATING STATION, DOCKET NO. 50-397 MONTHLY OPERATING REPORT JUNE 2003

Dear Sir or Madam:

Transmitted herewith is the Monthly Operating Report for the month of June 2003 as required by Technical Specification 5.6.4.

Respectfully, WS Oxen Plant General Manager Mail Drop 927M Attachment cc: TP Gwynn - NRC RIV BJ Benney - NRC NRR NRC Senior Resident Inspector - 988C TC Poindexter - Winston & Strawn INPO ANI Library Utility Data Institute RN Sherman - BPA / 1399

OPERATING STATUS REPORT for Columbia Generating Station Date: July 1, 2003

1. Docket: 50-397

2. Reporting Period: June 2003

3. Utility

Contact:

Patricia Campbell (509) 377-4664

4. Design Electrical Rating (Net MWe): 1153

5. Maximum Dependable Capacity - summer (Net MWe): 1107 MONTH YEAR CUMULATIVE

6. Hours Reactor Critical 137.5 2,778.6 122,474.1

7. Hours Generator On-Line 63.6 2,680.4 119,051.9

8. Unit Reserve Shutdown Hours 0.0 0.0 3,274.7

9. Net Electrical Energy (MWH) 11,567 2,876,772 118,129,551 Challenges to safety/relief valves are no longer required to be reported per Technical Specification Amendment # 182.

UNIT SHUTDOWNS DOCKET NO.: 50-397 UNIT NAME: Columbia Generating Station DATE: July 1, 2003 COMPLETED BY: P. Campbell TELEPHONE: (509) 377-4664 REPORT PERIOD: June, 2003 l Type Method of Cause / Corrective Actions F: Forced Duration Shutting No. Date S: Scheduled (Hours) ReasoDown (2) Comments 03-03 5/9/03 S 651.5 C 4 Refueling and Maintenance Outage R-16 continued until June 28.03-004 6/30/03 F 14.7 A 3 Forced outage due to a turbine trip caused by a main transformer fault that occurred on June 30.

L .5. 5 L

SUMMARY

The plant began the month in a Refueling Outage that ended on June 28. -A-1 Forced Outage began June 30 due to a turbine trip caused by a main transformer fault.

(1) REASON (2) METHOD A - Equipment Failure E - Operator Training & 1 - Manual B - Maintenance or Test License Examination 2 - Manual Trip/Scram C - Refueling F - Administration 3 - Auto Trip/Scram D - Regulatory Restriction G - Operational Error 4 - Continuation H - Other 5 - Other (Explain)