ML20204C311

Monthly Operating Repts for Feb 1999 for Sequoyah Nuclear Plant,Units 1 & 2.With

ML20204C311
Person / Time
Site:	Sequoyah
Issue date:	02/28/1999
From:	Holloman T, Salas P TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9903230022
Download: ML20204C311 (10)

Text

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.. :a v IUA Tennessee Valley Authonty Post Office Box 2000, Soddy Daisy. Tennessee 37379 l

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l March 12, 1999 i

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

In the Matter of ) Docket Nos. 50-J/ '

Tennessee Valley Authority ) 50 a 8 SEQUOYAH NUCLEAR PLANT (SQN) - FEBRUARY MONTHLY OPERATING REPORT The enclosure provides the February Monthly Operating Report as required by SQN Technical Specifications 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, P r c as Lic ing and Industry Affairs Manager Enclosure cc: See page 2 d

g4A rrunm%4 R ,y,,v, .

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9 U.S. Nuclear Regulatory Commission Page 2

. March 12, 1999 JDS:JWP:PMB cc (Enclosure) :

Mr. R. W. Hernan, Senior Project Manager U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852-2739 INPO Records Center Institute of Nuclear Power Operations 700 Galleria Parkway Atlanta, Georgia 30339-5947 Ms. Barbara Lewis, Assistant Editor, Database McGraw-Hill, Inc.

1200 G Street, NW, Suite 1100 Washington, D.C. 20005 NRC Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy-Daisy, Tennessee 37379-3624 Regional Administrator U.S. Nuclear Regulatory Commission Region II Atlanta Federal Center 61 Forsyth Street, SW, Suite 23T85 Atlanta, Georgia 30303-3415 l

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• l l ENCLOSURE f

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TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PLANT (SQN) l MONTHLY OPERATING REPORT FEBRUARY 1999 UNIT 1 DOCKET NUMBER E0-327 LICENSE NUMBER DPR-77 l

UNIT 2 DOCKET NUMBER 50-328 LICENSE NUMBER DPR-79 t

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OPERATIONAL

SUMMARY

FEBRUARY 1999 t

I. SEQUOYAH OPERATIONAL

SUMMARY

UNIT 1 Unit 1 generated 799,210 megawatthours (MWh) (gross) electrical power during February with a capacity factor of 102.4 percent. Unit 1 was operating at 100 percent power at the end of February.

UNIT 2 Unit 2 generated 788,547 MWh-(gross) electrical power during February with a capacity factor of 101.5 percent.

Unit 2 operated at 100 percent power until February 20 at 1830 Eastern standard time, when Unit 2 entered coastdown to the Unit 2 Cycle 9 refueling outage. Unit 2 was operating at 92 percent power at the end of Felsruary.

II. CHALLENGES TO THE ORESSURIZER POWER-OPERATED RELIEF VALVES (PORVs) OR PRESSUR(ZER SAFETY VALVES No PORVs or safety valves were challenged in February.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-327 UNIT NO. ONE DATE: March 9, 1999 ,

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, COMPLETED BY: Tanya J.-Hollomon TELEPHONE: (423) 843-7528 i MONTH: FEBRUARY 1999 l AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY' -(MWe-Net) DAY (MWe-Net) -

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1. 1154 17. 1156  !

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2. 1154 18. 1153 l 1

3. 1157 19. 1153 ,

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4. 1156 20. 1153 '

5. 1154 21. 1156 l

6. 1150 22, 1156 ]

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7. 1156 23, 1156

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8. 1155- 24. 1153

9. 1154 25. 1152

10. 1154 26. 1155

11. 1154 27. 1155 12 1154 28. 1153

13. 1153 29. NA i

14 . - 1155 30. NA

.15, 1153 31. NA

16. 1156 i l

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AVERAGE DAILY-UNIT POWER LEVEL DOCKET NO. 50-328 UNIT NO. TWO DATE: March 9, 1999 COMPLETED BY: Tanya J. Hollomon TELEPHONE: (423) 843-7528 .

MONTH: FEBRUARY 1999 ,

' AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) DAY (MWe-Net)

1. 1153 17. 1152 r

2. 1151 18. 1154

3. 1150 19. 1154

4. 1148 20. 1153

5. 1151 21. ,

1144

6. 1151 22. 1 34

7. 1149 23. 1124

8. 1149 24. 1115

9. 1151 25. 1104

10. 1152 26. 1096

11. 1152 27. 1089 i

12 1154 28, 1076 1

13. 1152 29. NA

14. 1154 30. NA l

15. 1154 31. NA j

16. 1154 I E-3

OPERATING DATA REPORT Docket No. 50-327 Date: March 9,1999 Completed By: T. J. Hollomon Telephone: (423) 843-7528

1. Unit Name: SQN Unit 1

2. Reporting Period: February 1999

3. Licensed Thermal Power (MWt): 3411.0

4. Nameplate Rating (Gross Mwe): 1220.6

5. Design Electrical Rating (Net Mwe): 1148.0

6. Maximum Dependable Capacity (Gror.s MWe): 1161

7. Maximum Dependable Capacity (Net MWe): 1122

8. If changes Occur in Capacity Rating (Item Numbers 3 & 7) Since Last Report, Give Reasons: N/A

9. Power Level To Which Restricted, If any (net MWe): N/A

10. Reasons for Restrictions, If any: N/A This Month Yr-to-Date Cumulative

11. Hours in Reporting Period 672 1,416 154,849

12. Number of Hours Reactor was Critical 672.0 1,416.0 94,293

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 672.0 1,416.0 92,443.3

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWh) 2,290,346.4 4,826,733.6 302,748,153

17. Gross Electric Energy Generated (MWh) 799,210 1,683,951 103,299,576

18. Net Electrical Energy Generated (MWh) 775,130 1,632,431 99,238,010

19. Unit Service Factor 100.0 100.0 59.7

20. Unit Availability Factor 100.0 100.0 59.7

- 21. Unit Capacity Factor (Using MDC Net) 102.8 102.7 57.1

22. Unit Capacity Factor (Using DER Net) 100.5 100.4 55.8

23. _ Unit Forced Outage Rate 0.0 0.0 27.9

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each> This information is no longer required by NRC.

25. If Shutdown at End of Report Period, Estimate Date of Startup. N/A E-4

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OPERATING DATA REPORT i

l Do..et No. 50-328 Date: March 9,1999 Completed By: T. J. Hollomon l

Telephone: (423) 843-7528 l

1. Unit Name: SQN Uni',2 ,

2. Reporting Period: February 1999 l

3. Licensed Thermal Power (MWt): 3411.0

! 4. Nameplate Rating (Gross Mwe): 1220.6 1

5. Design Electrical Rating (Net Mwe): 1148.0

6. Maximum Dependable Capacity (Gross MWe): 1156

7. Maximum Dependable Capacity (Net MWe): 1117 ,

8. If changes Occur in Capacity Rating (Item Numbers 3 & 7) Since Last Report, Give Reasons: N/A

9. Power Level To Which Restricted, If any (net MWe): N/A

10. Reasons for Restrictions, If any: N/A j This Month Yr-to-Date Cumulative j

11. Hours in Reporting Period 672 1,416 146,809  ;

, 12 Number of Hours Reactor was Critical 672.0 1,416.0 97,746  !

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0  !

14. Hours Generator On-Line 672.0 1,416.0 95,747.8

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWh) 2,261,901.6 4,797,614.4 308,205,089

17. Gross Electric Energy Generated (MWh) 788,547 1,669,726 105,001,811

18. Net Electrical Energy Generated (MWh) 765,643 1,620,614 100,825,569

19. Unit Service Factor 100.0 100.0 65.2

20. Unit Availability Factor 100.0 100.0 65.2

21. Unit Capccity Factor (Using MDC Net) 102.0 102.5 61.5 ,

22. Unit Capacity Factor (Using DER Net) 99.2 99.7 59.8  !

23. Unit Forced Outage Rate 0.0 0.0 27.0

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): This information is no longer required by NRC.

25. If Shutdown at End of Report Period, Estimate Date of Startup. N/A t

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UNIT SHUTDOWNS AND POWER REDUCTIONS ,L' i REPORT MONTH: FEBRUARY 1999  !

DOCKET l'O: 50-327.

UNIT NAME: SQN-1 DATE: March 9,1999 COMPLETED BY: T. J. Hollomon TELEPHONE: (423) 843-7528 2

N& Date) iType' Doration'

. Reason . Method or ; Licensee; Systent Component: .Cause and Corrective Action to' Prevent =

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(Hours)l 'Shu'tting i Event lReportj Codey Mode [

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Down i ...' Non '

Reactor'ii There were no outages or power reductions of greater than 20 percent in the average daily power level during February.

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' F: Force Reason: Method

• Exhibit G -Instructions for (NUREG S: Scheduled A-Equipment Failure (Explain) 1-Manual Preparation of Data Entry sheets B-Maintenance or Test 2-Manual Scram for Licensee Event Report (LER)

C-Refueling 3-Automatic Scram File - NUREG - 1922 D-Regulatory Restriction 4-Continuation of Existing ,

E-Operator Training and License Outage -

8 Examination 5-Reduction Exhibit I-Same Source F-Administrative 9-Other G-Operational Error (Explain)

H- Other (Explain) a E-6

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UNIT SHUTDOWNS AND POWER REDUCTIONS ,

REPORT MONTH: FEBRUARY 1999 DOCKET NO: 50-328 UNIT NAME: SQN-2

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DATE: March 9,1999 COMPLETED BY: T. J. Hollomon TELEPHONE: (423) 843-7528 No.1 Date ;  : Type'~

' Duration. Reason

• Method of:' Licensee Event J Systein Component Cause and. Corrective Action to Prevent:

f(Hours) Shutting ( ' Report Nok.; Codet Code 7 Recurrencei

Down L . ~

ReactorE There were no outages or power reductions of greater than 20 percent in the average daily power level during February.

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' F: Forte Reasmi: ' Method

• Exhibit G -Instructions for (NUREG S: Scheduled A-Equipment Failure (Explain) 1-Manual Preparation of Data Entry sheets B-Maintenance or Test 2-Manual Scram for Licensee Event Report (LER)

C-Refueling 3-Automatic Scram File - NUREG - 1922 D-Regulatory Restriction 4-Continuation of Existing E-Operator Training and License Outage Examination 5-Reduction

• Exhibit f-Same Source F-Administrative 9-Other G-Operational Error (Explain)

H- Other (Explain)

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