ML041070425

March 2004 Monthly Operating Report for Sequoyah, Units 1 and 2

ML041070425
Person / Time
Site:	Sequoyah
Issue date:	04/09/2004
From:	Salas P Tennessee Valley Authority
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML041070425 (4)

Text

April 9, 2004 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 Gentlemen:

In the Matter of ) Docket Nos. 50-327 Tennessee Valley Authority ) 50-328 SEQUOYAH NUCLEAR PLANT - MARCH MONTHLY OPERATING REPORT The enclosure provides the March Monthly Operating Report as required by Sequoyah Technical Specification Section 6.9.1.10.

If you have any questions concerning this matter, please call me at (423) 843-7170 or J. D. Smith at (423) 843-6672.

Sincerely, Original signed by:

Pedro Salas Licensing and Industry Affairs Manager

ENCLOSURE TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PLANT (SQN)

MONTHLY OPERATING REPORT MARCH 2004 UNIT 1 DOCKET NUMBER 50-327 LICENSE NUMBER DPR-77 UNIT 2 DOCKET NUMBER 50-328 LICENSE NUMBER DPR-79

OPERATING DATA REPORT DOCKET NO. 50-327 UNIT NAME Sequoyah 1 DATE April 05, 2004 COMPLETED BY Renee McKaig TELEPHONE (423) 843-8963 REPORTING PERIOD: March 2004

1. Design Electrical Rating 1,160.00

2. Maximum Dependable Capacity (MWe-Net) 1,148.00 This Month Yr-to-Date Cumulative

3. Number of Hours the Reactor was Critical 650.20 2,090.20 134,078.65

4. Number of Hours Generator On-line 628.58 2,068.58 132,053.16

5. Reserve Shutdown Hours 0.00 0.00 0.00

6. Net Electrical Energy Generated (MWHrs) 726,202.00 2,419,111.00 144,054,329.0 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No. Date S: Scheduled (Hours) Reason 1 Down 2 Comments U1FO 03/15/2004 F 115.42 A 3 The cause of the trip was a ground on an

1. 1 incorrectly abandoned cable on a MAR04 transformer protective relay coil circuit. The cable was abandoned in 1999. The ground caused actuation of the relay and a turbine trip followed by the reactor trip. The abandoned cable was correctly terminated and the investigation identified additional abandoned cables that were not properly terminated. The configuration, of the additional abandoned cables, was corrected and the unit was returned to service.

SUMMARY

The Unit 1 gross maximum dependable capacity factor was 84.98 percent for the month of March.

1 2 Reason: 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 E Operator Training & License Examination 5 Other (Explain)

F Administration G Operational Error (Explain)

H Other (Explain)

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OPERATING DATA REPORT DOCKET NO. 50-328 UNIT NAME Sequoyah 2 DATE April 02, 2004 COMPLETED BY Renee McKaig TELEPHONE (423) 843-8963 REPORTING PERIOD: March 2004

1. Design Electrical Rating 1,160.00

2. Maximum Dependable Capacity (MWe-Net) 1,124.00 This Month Yr-to-Date Cumulative

3. Number of Hours the Reactor was Critical 744.00 1,795.95 138,520.18

4. Number of Hours Generator On-line 744.00 1,753.38 136,253.34

5. Reserve Shutdown Hours 0.00 0.00 0.00

6. Net Electrical Energy Generated (MWHrs) 854,541.00 1,978,506.00 145,960,877.0 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No. Date S: Scheduled (Hours) Reason 1 Down 2 Comments

SUMMARY

The Unit 2 gross maximum dependable capacity factor was 101.87 percent for the month of March.

1 2 Reason: 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 E Operator Training & License Examination 5 Other (Explain)

F Administration G Operational Error (Explain)

H Other (Explain)

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