ML051300075

April 2005 Monthly Operating Report for Sequoyah Nuclear Plant

ML051300075
Person / Time
Site:	Sequoyah
Issue date:	05/09/2005
From:	Pace P Tennessee Valley Authority
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML051300075 (4)

Text

May 9, 2005 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 - APRIL MONTHLY OPERATING REPORT The enclosure provides the April 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 James D. Smith for P. L. Pace Manager, Site Licensing and Industry Affairs Enclosure

ENCLOSURE TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PLANT (SQN)

MONTHLY OPERATING REPORT APRIL 2005 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 May 05, 2005 COMPLETED BY Sharon Powell TELEPHONE 423/843-7855 REPORTING PERIOD: April 2005

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 653.85 2,813.85 142,897.03

4. Number of Hours Generator On-line 617.47 2,777.47 140,790.05

5. Reserve Shutdown Hours 0.00 0.00 0.00

6. Net Electrical Energy Generated (MWHrs) 703,094.00 3,249,267.00 154,174,960.0 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No. Date S: Scheduled (Hours) Reason 1 Down 2 Comments 1 04/09/2005 F 101.53 A 3 The reactor trip was a result of the loss of the main turbine auto stop oil pressure. The seal gasket on the turbine protective trip block failed. The seal gasket was replaced.

SUMMARY

The gross maximum dependable capacity factor for Unit 1 is 85.299 for April 2005.

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 May 05, 2005 COMPLETED BY Sharon Powell TELEPHONE 423/843-7855 REPORTING PERIOD: April 2005

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 575.00 2,699.53 147,819.71

4. Number of Hours Generator On-line 575.00 2,673.95 145,527.29

5. Reserve Shutdown Hours 0.00 0.00 0.00

6. Net Electrical Energy Generated (MWHrs) 659,366.00 3,048,546.00 156,495,810.0 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No. Date S: Scheduled (Hours) Reason 1 Down 2 Comments 2 04/25/2005 S 144.00 C 1 Scheduled Unit 2 Cycle 13 Refueling Outage.

SUMMARY

The gross maximum dependable capacity factor was 80.852 for Unit 2 for the month of April 2005.

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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