ML20069M407
| ML20069M407 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 05/31/1994 |
| From: | Hollomon T, Powers K TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9406210341 | |
| Download: ML20069M407 (10) | |
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A Tennessee Valiey Authonty, Post Ofhco Eka 2000. ScxMcDaisy. Tennessee 37379 2000 Ken Powers Vk;e Presdent. Segoyan Nuclear Plant June 15, 1994 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 Gentlemen:
In the Matter of
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Docket Nos. 50-327 Tennessee Valley Authority
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50-328 SEQUOYAH NUCLEAR PLANT (SQN) - MAY 1994 MONTHLY OPERATING REPORT Enclosed is the May 1994 Monthly Operating Report as required by SQN Technical Specification 6.9.1.10.
l If you have any questions concerning this matter, please call J. W. Proffitt at (615) 843-6651.
Sincerely, j
Ken Powers l
Enclosure ec: See page 2 I
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9 9406210341 940531 M i PDR ADOCK 05000327 l
R PDR
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I U.S. Nuclear Regulatory Commission Page ?
June 15, 1994 cc (Enclosure):
INPO Records Center Institute of Nuclear Power Operations 700 Galleria Parkway Atlanta, Georgia 30339-5957 Mr. D. E. LaBarge, Project Manager i
U.S. Nuclear Regulatory Commission One Wh1Le Flint, North 11555 Rockville Pike Rockville, Maryland 20852-2739 Mr. Ted Marston, Director Electric Power Research Institute l
P.O. Box 10412 l
Palo Alto, California 94304 NRC Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy-Daisy, Tennessee 37379-3624 Regional Administration U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323-2711 Regional Administrator U.S. Nuclear Regulatory Commission Region II 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
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4 TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PIANT MONTHLY OPERATING REPORT 4
d TO THE NUCLEAR REGULATORY C0fftISSION j
MAY 199_It i
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UNIT 1 DOCKET NUMBER 50-327 LICENSE NIMBER DPR-77 i
UNIT 2 l
DOCKET NUMBER 50-328 i
LICENSE NUMBER DPR-79 4
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t I
5 OPERATIONAL
SUMMARY
MAY 1994 ENIT 1 l
Unit 1 generated 661,130 megawatthours (MWh) (gross) electrical power
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during May with a capacity factor of 77.2 percent.
j On May 1 at 0140 EDT with Unit 1 operating at approximately 50 percent f
power, a reactor trip occurred as a result of the loss of the 1A main j
feedwater pump (MFP). The 1B MFP was out of service for maintenance.
1 The cause of the trip was personnel error. As part of the 1B MFP maintenance, the alternating-current oil pump for the 1B MFP was to be tagged out.
Operations personnel inadvertently opened the 1A MFP oil pump breaker. When the breaker was deenergized, the oil pressure dropped below the setpoint, causing the MFP to trip. With the IB MFP already in the tripped condition, a turbine trip and subsequent reactor trip occurred. Unit 1 entered Mode 3.
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Unit I was critical on May 4 at 0027 EDT, entered Mode 1 on May 5 at 1052 EDT, and was tied online at 1825 EDT on May 5.
i Unit 1 was operating at near 100 percent reactor power at the end of May.
IINJI_2 Unit 2 generated 869,762 megawatthours (MWh) (gross) electrical power during May with a capacity factor of 102.0 percent. Unit 2 operated at near 100 percent reactor power during the month of May.
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I AVERAGE DAILY UNIT POWER LEVEL i
l DOCKET NO.
50-321 UNIT No.
One DATE:
_Q5-Q1-94 COMPLETED BY:
T. J. Ho11omon TELEPHONE: 1615) 843-7528 f
MONTH:
MAY 1994
\\
i AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DM (tNe-Net)
DAY (MWe-Net) l l
1 21 17 1123 2
-16 18 1126 3
-14 19 1134 4
-14 20 1135 i
j 5
12 21 1&4 l
6 389 22 1074 7
525 23 1133 1
l 8
747 24 1133 9
869 25 1134 10 872 26 1114 11 889 27 1093 12 901 28 1144 13 1095 29 1146 14 1113 30 1147 15 1112 31 1147 16 1121 I
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AVERAGE DAILY UNIT POWFJt UNEL l
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I DOCKET NO.
50-328 UNIT No.
Two DATE:
06-01-94 COMPLETED BY:
T. J. HollomRn TELEPHONE: _(6.11L843 Z32B MONTH: _MAY_1994 6
AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL l
RAY (MWe-Net)
DAX (MWe-Net) i 1
1120 17 1133 2
1120 18 1L12 3
1120 19 1132 l
4 1122 20 1138 1
5 1120 21 1127
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6 L131 22 1112 7
1135 23 1119 i
8 1132 24 1132 9
1141 25 1127 10 1D14 26 1130 11 1111 27 1130 12 1131 28 1127 13 1127 29 1127 14 1134 30 1128 15 Ll29 31 1127 16 1132
OPERATING DATA REPORT DOCKET NO.
_50:327 DATE _fflRIL94 COMPLETED BY 11_L_.tlolloalqIL._
TELEPHONE (615) 843-7528 QPER611DG STATUS l Notes l
1.
Unit Name: __Sgguovah Unit One l
l 2.
Reporting Period: __t133_l994 l
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3.
Licensed Thermal Power (MWt): 3411.0 l
l 4.
Nameplate Rating (Gross MWe): _1220.6 l
l 5.
Design Electrical Rating (Net MWe): 1148.0 l
l 6.
Maximum Dependable Capacity (Gross MWe): 1151.0 l
l 7.
Maximum Dependable Capacity (Net MWe): 1111.0 l
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8.
If Changes Occur in Capacity Ratings (Item Numbers 3 Through 7) Since Last Report, Give Reasons:
)
1 9.
Power Level To Which Restricted, If Any (Net MWe):
N/A 4
- 10. Reasons for Restrictions, If Any:
N/A This Month Yr-to-Date Cumulative
- 11. Hours in Reporting Period 744
_31623.
113_il.32
- 12. Number of Hours Reactor Was Critical 673.2 1.093 H_
57.123 t
- 13. Reactor Reserve Shutdown Hours 0
0 0
- 14. Hours Generator On-Line 631.3 891.7 E5121Q12__
- 15. Unit Reserve Shutdown Hours 0
0 0
- 16. Gross Thermal Energy Generated (MWH) 1.948.705 2 2.3791454_,2_
._18L273.218
- 17. Gross Electrical Energy Generated (MWH) 661.130 180.520 61.483.174
- 18. Net Electrical Energy Generated (MWH) 635.812 728.777 58.892.814
- 19. Unit Service factor 84.8 24.6 49.2
- 20. Unit Availability factor 841Q 24.6 49 R__
t
- 21. Unit Capacity factor (Using MDC Net) 76.9 18.1 46.8
- 22. Unit Capacity factor (Using DER Net)
__14.4 17.5 45.3
- 23. Unit Forced Outage Rate 15.1 11.2 38.4
- 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:
N f
a
f OPERATING DATA REPORT DOCKET NO. _50-328 DATE - 06/01/94 COMPLETED BY T. J. Hollomsn__
TELEPHONE (615) 84.3-152H__
OPERATING STATU1 l Notes l
1.
Unit Name: __Se2M21Rh_ypit Two l
l 2.
Reporting Period: May 1994 l
l 3.
Licensed Thermal Power (MWt): 3411.0 l
l 4.
Nameplate Rating (Gross MWe): 1220.6 l
l 5.
Design Electrical Rating (Net MWe): 1148.0 l
l 6.
Maximum Dependable Capacity (Gross MWe): 1146.0 l
l 7.
Maximum Dependable Capacity (Net MWe): 1106.0 l
l 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 3.623 105,122
- 12. Number of Hours Reactor Was Critical 14_4dL__
__3,55324_
62.322
- 13. Reactor Reserve Shutdown Hours 0
0 0
- 14. Hours Generator On-Line 744.0 3.509.4 60.802.9
- 15. Unit Reserve Shutdown Hours 0
0 0
- 16. Gross Thermal Energy Generated (MWH)
_L535,186. 2 11.863.400.2
_191,526.352
- 17. Gross Electrical Energy Generated (MWH) 869.762 4.086.597 65.014.541
- 18. Net Electrical Energy Generated (MWH) 839.618 3.940.104
_62.218.390
- 19. Unit Service factor 100.0 96.9 57.8 j
- 20. Unit Availability Factor 100.0 96.9 57.8
- 21. Unit Capacity factor (Using MDC Net) 102.0 9813_
53 E__
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- 22. Unit Capacity Factor (Using DER Net) 98.3 94,I_
_5LtE__
- 23. Unit Forced Outage Rate 0.0 3.1 35.8
- 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
Unit 2 Cycle 6_Refuelino Outage scheduled to btS n 07/04/94 with dVIAlina_DL91Ldays.
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- 25. If Shut Down At End Of Report Period. Estimated Date of Startup:
DOCKET NO:
50-327 UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME:
One DATE:
06/01/94 REPORT MONTH: May 1994 COMPLETED BY:T. J. Hollomon TELEPHONE:f615) 843-7528 Method of Licensee Cause and Corrective Du rati on Shutting Down Event System Component Action to 2
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No.
Date Type (Hours)
Reason Reactor Report No.
Code #
Code Prevent Recurrence 3
940501 F
112.8 G
3 327/94008 SJ SL On May 1, a reactor trip occurred '
as a result of the loss of the 1A main feedwater pump (MFP). The cause of the trip was personnel error. As part of the 18 MFP maintenance activity, the alternating-current oil pump for the 1B MFP was to be tagged out.
Operations personnel inadvertently opened the 1A MFP oil pump breaker.
When the breaker was deenergized, the oil pressure dropped below set-point, and the MFP tripped. The appropriate disciplinary action was taken with the involved individual.
Unit 1 entered Mode 3.
Unit I was critical on May 4 at 0027 EDT, entered Mode 1 on May 5 at 1052 EDT, and was tied online at 1825 EDT on May 5.
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Method:
Exhibit G-Instructions F: Forced Reason:
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 l
D-Regulatory Restruction 4-Continuation of Existing Outage (NUREG-1022)
E-Operator Training and License Examination 5-Reduction F-Administrative 9-Other 5
I G-Operational Error (Explain)
Exhibit I-Same Source h-Other (Explain)
DOCKET NO:
50-323 UNIT SHUiDOWNS AND POWER REDUCTIONS UNIT NAME:
Two DATE:
06/01/94 REPORT MONTH: May 1994 COMPLETED BY:T. J. Hollomon TELEPHONE:f615) 843-7528 Method of Licensee Cause and Corrective Duration 5 hutting Down Event System Component Action to l
2 3
4 5
No.
Date Type (Hours)
Reason Reactor Report No.
Code Code Prevent Recurrence There were no outages or power reductions of greater than 20 percent to report during Hay.
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I: Forced Reason:
Method:
Exhibit G-Instructions F
5: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Haintenance or Test 2-Manual Scram Entry sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulztory Restruction 4-Continuation of Existing Outage (NUREG-1022)
E-Operator Training and License Examination 5-Reduction F-Administrative 9-Other S
G-Operational Error (Explain)
Exhibit I-Same Source H-Other (Explain)
,-.