ML041410204

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April 2004 Monthly Operating Report for Columbia
ML041410204
Person / Time
Site: Columbia 
Issue date: 05/12/2004
From: Oxenford W
Energy Northwest
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
G02-04-092
Download: ML041410204 (3)


Text

ENERGY NORTHWEST PO. Box 968 z Richiand, Washington 99352-0968 May 12, 2004 G02-04-092 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 APRIL 2004

Dear Sir or Madam:

Transmitted herewith is the Monthly Operating Report for the month of April 2004 as required by Technical Specification 5.6.4.

Respectfully,.

Ws,.

Plant neral Manager Mail Drop 927M Attachments cc:

BS Mallett - NRC RIV WA Macon - 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: May 1, 2004 1.

2.

3.

4.

5.

Docket: 50-397 Reporting Period: April 2004 Utility

Contact:

Patricia Campbell (509) 377-4664 Design Electrical Rating (Net MWe): 1153 Maximum Dependable Capacity - summer (Net MWc):

1107 7.

8.

9.

_ -Hours ReaotQ-Critical Hours Generator On-Line Unit Reserve Shutdown Hours Net Electrical Energy (MWH)

MONTH 719.0 -

719.0 0.0 798,993 YEAR

_2,903.0 2,903.0 0.0 3,208,542 CUMULATIVE 129,76L5.-

126,316.6 3,274.7 126,076,194

UNIT SHUTDOWNS DOCKET NO.: 50-397 UNIT NAME:

Columbia Generating Station DATE: May 1, 2004 COMPLETED BY: P. Campbell TELEPHONE: (509) 377-4664 I

REPORT PERIOD: April, 2004 Type f

Method of Cause / Corrective Actions F: Forced Duration Sutn No.

Date S: Scheduled (Hours)

Reason (1)

(

Comments NA I_

I I_

I SlUMARY:

Columbia Generating Station entered and ended the month at full reactor pbwer. On April 3rd to 4th, power was reduced to about 83% for Control Rod Sequence Exchange. On April 10th to 11th, power was reduced to about 84% for CRD HCU Recovery and Bypass Valve Testing. On April 17th to 18th, power was reduced to aboit 85% for CRD HCU Recovery. On April 24th to 25th power was reduceil to about 82% for CRD HCU Recovery.

I

- x _

,,.r* L (1) REASON A - Equipment Failure B - Maintenance or Test C - Refueling D - Regulatory Restriction E - Operator Training &

License Examination F - Admiinistration G - Operational Error H - Other (2) METHOD 1 - Manual 2 - Manual Trip/Scram 3 - Auto Trip/Scram 4 - Continuation 5 - Other (Explain) l f