ML20129C218

Monthly Operating Rept for Aug 1996 for Sequoyah Nuclear Plant

ML20129C218
Person / Time
Site:	Sequoyah
Issue date:	08/31/1996
From:	Hollomon T, Shell R TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9609240161
Download: ML20129C218 (10)

Text

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a Tennessee Valley Authority, Post Offico Box 2000, Soddy-Daisy. Tennessee 37379-2000 l

September 13,1996 l

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

I In the Matter of ) Docket Nos. 50-327 ,

Tennessee Valley Authority ) 50-328 SEQUOYAH NUCLEAR PLANT (SON) - AUGUST 1996 MONTHLY OPERATING REPORT Enclosed is the August 1996 Monthly Operating Report as required by SON Technical Specification 6.9.1.10.

If you have any questions concerning this matter, please telephone J. W. Proffitt at (423) 843-6651.

Sincerely, hek.

R. H. Shell Manager SON Site Licensing c,,gu n a. n n-G

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Enclosure cc: See page 2 h

9609240161 960831 PDR ADOCK 05000327 R PDR

U.S. Nuclear Regulatory Commission Page 2 September 13,1996 cc IEnclosure):

Mr. R. W. Hernan, 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 30339-5957 Mr. James Lang, Manager .

Advanced Reactor Department Electric Power Research Institute 3340 Hillview Avenue Palo Alto, California 94304 NRC Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy-Daisy, Tennessee 37379-3624 Regional Administrator U.S. Nuclear Regulatory Commission Region 11 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323-2711 Mr. F. Yost, Director Research Services Utility Data institute 1200 G Street, NW, Suite 250 Washington, D.C. 20005 l

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4 TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PLANT MONTHLY OPERATING REPORT TO THE NUCLEAR REGULATORY COMMISSION l

AUGUST 1996 UNIT I DOCKET NUMBER 50-327 LICENSE NUMBER DPR-77 UNIT 2 DOCKET NUMBER 50-328 LICENSE NUMBER DPR-79 i

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l OPERATIONAL

SUMMARY

AUGUST 1996 UNIT I Unit I generated 840,120 megawatthours (MWh) (gross) electrical power during August with a capacity factor of 98.1 percent. On August 2 at 0812 EDT, a power decrease to 62 percent was initiated to allow maintenance on main feedwater pump turbine (MFPT) 1 A. Maintenance was completed, and a reactor power increase was initiated on August 3 at 2057 EDT. Unit 1 operated at 100 percent reactor power throughout the remainder of August.

UNIT 2 Unit 2 generated 859,016 megawatthours (MWh) (gross) electrical power during August with a capacity factor of 100.8 percent. Unit 2 operated at 100 percent reactor power throughout the month of August.

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l AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-327 UNIT NO. One DATE: 09-04-96 1

COMPLETED BY: T. J. Hollomon TELEPHONE: (423) 843-7528 MONTH AUGUST 1996 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) DAY (MWe-Net) 1 1082 17 1118 l

2 841 18 1117 3 702 19 1118 4 1116 20 1118 5 1114 21 1117 6 1114 22 1117 7 1114 23 1115 8 1111 24 1114 9 1113 25 1115 10 1113 26 1115

.11 1111 27 1114 12 1109 28 1117 13 1116 29 1118 14 1115 30 1119 l

15 1117 31 1116

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16 1119 r

I AVERAGE DAILY UNIT POWER LEVEL i

DOCKET NO. 50-328 UNIT NO. Two DATE: 09-04-96 i COMPLETED BY: T. J. Hollomon TELEPHONE: (423) 843-7528 i MONTH. AUGUST 1996 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL i DAY (MWe-Net) DAY (MWe-Net) l 1

.I 1112 17 1117 2 1115 18 1116 ,

3 1118 19 1115 i

4 1118 20 1115 5 1117 21 1115 6 1116 22 1112 i

7 1113 23 1112 l 8 1114 24 1113 9 1112 25 1113 1 10 1112 26 1113 l 1

11 1114 27 1115 12- 1116 28 1115 13 1115 29 1115 14 1116 30 1116 l

'15 1118 31 1116 16 1118

OPERATING DATA REPORT DOCKET NO, 50 'D7 DATE 09/04/96 COMPLETED BY T. J. Hollomon j TELEPHONE (423) 843-7528 OPERATING STATUS Notes

1. Unit Name: - Seouovah Unit One

2. Reporting Period: Atwito 1996 i

3. Licensed Thermal Power (MWt): 34110 l

4. Nameplate Rating (Gross (MWe): 1220 6

5. Design Electrical Rating (Net MWe): 114R0

6. Maximum Dependable Capacity (Gross MWe): 11510

7. Maximum Dependable Capacity (Net MWe): 1111 0

8. If Changes Occur in Capacity Ratings (Item Numbers 3 Through 7) Since Last Report, Give Reasons:

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 744 5,855 132,984

12. Number ofHours Reactor Was Critical 744.0 5,539.3 74,434

13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 744.0 5.472.7 72,699.1

15. Unit Reserve Shatdown Hours - 0 0 0

16. Gross Thermal Energy Generated (MWh) 2,486,074.4 18,345,127.5 236,676,543

17. Gross Electrical Energy Generated (MWh) 840,120 6,288,588 80,453,933

18. Net Electrical Energy Generated (MWh) 812,232 6,068,596 77,152,743

19. Unit Service Factor 100.0 93.5 54.7 ,

20. Unit Availability Factor 1000 93 5 54.7 j

21. Unit Capacity Factor (Using MDC Net) 98 3 93 3 52 2

22. Unit Capacity Factor (Using DER Net) 95.1 90.3 50.5

23. Unit Forced Outage Rate 0.0 0.9 32.9

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

25. If Shut Down At End of Report Period, Estimated Date of Startup:

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OPERATING DATA REPORT +

l DOCKET NO. 50-328 l DATE 09/04/96 l COMPLETED BY T. J. Hollomon l TELEPHONE (423) 843-7528 OPERATING STATUS j Notes

! 1. Unit Name: Seauovah Unit Two  ;

L '2.- Reporting Period: Aunust 1996 l

3. Licensed Thermal Power (MWt): 34110

4. Nameplate Rating (Gross (MWe): 1220 6  !

5. Design Electrical Rating (Net MWe): 1148.0 ,

6. Maximum Dependable Capacity (Gross MWe): 1146.0 7 - Maximum Dependable Capacity (Net MWe): 1106.0

8. If Changes Occur in Capacity Ratings (Item Numbers 3 Through 7) Since Last Report, Give Reasons:

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9. Power Level to Which Restricted, If Any (Net MWe): N/A .

10. Reasons for Restrictions, If Any: N/A l

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This Month Yr-to-Date - Cumulative l

11. Hours in Reporting Period 744 5,855 124,944  ;

12. Number ofHours Reactor Was Critical 744.0 4,675.2 77,269

.13. Reactor Reserve Shutdown Hours 0 0 0-  !

14. Hours Generator On-Line 744.0 4,621.7 75,397.9 i 0 0 I

15. Unit Reserve Shutdown Hours 0

16. Gross Thermal Energy Generated (MWh) 2,535,479.4 15,521,039.6 240,062,636 l

17. Gross Electrical Energy Generated (MWh) 859,016 5,337,888 81,561,660  !

18. Net Electrical Energy Generated (MWh) 829,000 5,142,416 78,144,285

- 19. Unit Service Factor 100.0 78.9 60.3 .

20. Unit Availability Factor 1000 78.9 60.3 l 21.1 Unit Capacity Factor (Using MDC Net) 100.7 79.4 56.5  !

- 22. Unit Capacity Factor (Using DER Net) 97.1 76.5 54.5 '

23. Unit Forced Outage Rate 0.0 0.0 - 31.5

! 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

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25. If Shut Down At End.of Report Period, Estimated Date of Startup:

DOCKET NO.: 50-327 UNIT NAME: One ., ,

UNIT SilUTDOWNS AND POWER REDUCTIONS DATE: 09/04/96 -

COMPLETED BY: T. J. Holicmon REPORT MONTil: AUGUST 1996 TELEPIIONE: (423) 843-7528 No. Date Type' Duration Reason 2 Method of Licensee System Component Cause and Corrective Action to Prevent (llours) Shutting Event Report Code

• Code' Recurrence Down No.

Reactor' 8 960802 F N/A A 5 N/A N/A N/A On August 2 at 0812 EDT, a reactor power decrease was initiated to allow repairs on MFPT 1 A following the failure of the EllC convener torque motor. The cause was a random failure of the EllC convener torque motor. The EllC converter torque motor was replaced, and the equipment was returned to service.

'F: Forced ' Reason: ' Method ' Exhibit G-Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuation of Existing Outage (NUREG-1022)

E-Operator Training and License Exam 5-Reduction 5

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

II-Other (Explain)

DOCKET NO.: 50-328 UNIT NAME: Two *;

• UNIT SHUIDOWNS AND POWER REDUCTIONS ,

DATE: 09 M 96

• COMPLETED BY: T. J. Hollomon ~

REPORT MONTH: AUGUST 1996 - TELEPHONE: (423) 843-7528 2

No. - Date Type' Duration Reason Method of Licensee System Component Cause and Corrective Action to Prevent 5

4 (llours) Shutting Event Code

• Code Recurrence Down Report No.

Reactor' There were no outages or power reductions of greater than 20 percent to report during August.

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'F: Forced Reason: ' Method ' Exhibit G-Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuation of Existing Outar (NUREG-1022)

E-Operator Training and License Exam 5-Reduction 5

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

H-Other (Explain)

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