ML030140122
| ML030140122 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 01/13/2003 |
| From: | Salas P Tennessee Valley Authority |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| RIS-01-005 | |
| Download: ML030140122 (5) | |
Text
January 13, 2003 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 - DECEMBER MONTHLY OPERATING REPORT The enclosure provides the December Monthly Operating Report as required by Sequoyah Technical Specification Section 6.9.1.10.
This letter is being sent in accordance with NRC RIS 2001-05.
There are no commitments associated with this letter. 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 cc (Enclosure):
Mr. Raj K. Anand, Senior Project Manager U.S. Nuclear Regulatory Commission MS O-8G9 One White Flint Pike 11555 Rockville Pike Rockville, Maryland 20852-2739
ENCLOSURE TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PLANT (SQN)
MONTHLY OPERATING REPORT DECEMBER 2002 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 SQN Unit 1 Date January 3, 2003 Completed By Tanya Hollomon Telephone (423) 843-7528 Reporting Period December 2002
- 1. Design Electrical Rating (Net MWe): 1160
- 2. Maximum Dependable Capacity (MWe-Net) 1125 Month Yr-to-Date Cumulative
- 3. Number of Hours Reactor was Critical 744.0 8,760.0 125,465.8
- 4. Hours Generator On-Line 744.0 8,760.0 123,540.6
- 5. Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 6. Net Electrical Energy Generated (MWh) 858,192 9,953,530 134,284,090 Docket No. 50-328 Unit Name SQN Unit 2 Date January 3, 2003 Completed By Tanya Hollomon Telephone (423) 843-7528 Reporting Period December 2002
- 1. Design Electrical Rating (Net MWe): 1160
- 2. Maximum Dependable Capacity (MWe-Net): 1126 Month Yr-to-Date Cumulative
- 3. Number of Hours Reactor was Critical 616.3 7,719.2 129,225.5
- 4. Hours Generator On-Line 616.3 7,643.6 127,097.6
- 5. Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 6. Net Electrical Energy Generated (MWh) 708,787 8,542,042 135,724,102 E-1
UNIT SHUTDOWNS DOCKET NO: 50-327 UNIT NAME: SQN-1 DATE: January 3, 2003 COMPLETED BY: Tanya Hollomon TELEPHONE: (423) 843-7528 REPORT PERIOD: DECEMBER 2002 No. Date Type Duration Reason1 Method of Cause and Corrective Action to Prevent Recurrence F:Forced (Hours) Shutting S:Scheduled Down Reactor2 No power reductions of greater than 20 percent during December 2002.
Summary : Unit 1 operated at 100 percent power throughout the month of December with a capacity factor of 102.3 percent. No PORVs or safety valves were challenged in December.
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-ContinuationOutage E-Operator Training / License Examination 5-Other (Explain)
F-Administrative G-Operational Error (Explain)
H- Other (Explain)
E-2
UNIT SHUTDOWNS DOCKET NO: 50-328 UNIT NAME: SQN-2 DATE: Januaary 3, 2003 COMPLETED BY: Tanya Hollomon TELEPHONE: (423) 843-7528 REPORT PERIOD: DECEMBER 2002 No. Date Type Duration Reason1 Method of Cause and Corrective Action to Prevent Recurrence F:Forced (Hours) Shutting S:Scheduled Down Reactor2 2 021226 F 127.7 A 3 Unit 2 experienced an unplanned automatic scram on December 26, 2002, at 1640 Eastern Standard Time. The cause of the trip was an over-current ground fault on the No.3 reactor coolant pump motor. The motor was replaced. Unit 2 was in Mode 5 at the end of the month.
Summary: Unit 2 was operating at 100 percent power until the December 26 scram. Unit 2 capacity factor for December was 84.7 percent.
No power operated relief valves or safety valves were challenged in December.
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-ContinuationOutage E-Operator Training / License Examination 5-Other (Explain)
F-Administrative G-Operational Error (Explain)
H- Other (Explain)
E-3