ML030770619

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February 2003 Monthly Operating Report for Vermont Yankee
ML030770619
Person / Time
Site: Vermont Yankee Entergy icon.png
Issue date: 03/10/2003
From: Bronson K
Entergy Nuclear Northeast, Entergy Nuclear Operations
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
BVY-03-21
Download: ML030770619 (7)
v • d • e


Text

Entergy Nuclear Northeast Entergy Nuclear Operations, Inc tergy Vermont Yankee 322 Governor Hunt Rd PO Box 157 Vernon, Vr 05354 Tel 802-257-7711 March 10, 2003 BVY-03-21 United States Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555

Reference:

(a) License No. DPR-28 (Docket No. 50-271)

In accordance with section 6.6.B of the Vermont Yankee Technical Specifications, submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of February, 2003.

Sincerely, Kevin H. Bronson General Manager, Plant Operations cc: USNRC Region I Administrator USNRC Resident Inspector USNRC Project Manager

VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 03-02 FOR THE MONTH OF FEBRUARY 2003

OPERATING DATA REPORT DOCKET NO.50-271 DATE 030310 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 OPERATING STATUS

1. Unit Name: Vermont Yankee
2. Reporting Period: February
3. Licensed Thermal Power(MWt):1593
4. Nameplate Rating(Gross MWe): 540
5. Design Electrical Rating(Net MWe): 522
6. Maximum Dependable Capacity(Gross MWe): 535
7. Maximum Dependable Capacity(Net MWe): 510
8. If changes, occur in capacity ratings(Items Number 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 672.00 1416.00 264384.00
12. Number Of Hours Reactor was Critical 672.00 1416.00 224564.83
13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00
14. Hours Generator On-Line 672.00 1416.00 220929.78
15. Unit Reserve Shutdown Hours 0.00 0.00 0.00
16. Gross Thermal Energy Generated(MWH) 1034855.90 2219242.35 334599659.17
17. Gross Electrical Energy Generated(MWH) 357388.00 767578.00 112348508.00
18. Net Electrical Energy Generated(MWH) 343479.00 737649.00 106920008.00
19. Unit Service Factor 100.00 100.00 82.60
20. Unit Availability Factor 100.00 100.00 82.60
21. Unit Capacity Factor(Using MDC Net) 100.20 102.10 79.00
22. Unit Capacity Factor(Using DER Net) 97.90 99.80 77.40
23. Unit Forced Outage Rate 0.00 0.00 3.91
24. Shutdowns scheduled over next 6 months(Type, Date, and Duration of Each: N/A
25. If shut down at end of report period, estimated date of startup: N/A
26. Units In Test Status(prior to commercial operation): N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION VYDPF 0411.01 (Sample)

DP 0411 Rev. 8 Page 1 of 1 RT No. 13.FO1.19F

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 030310 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 MONTH February DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 530 17. 530
2. 530 18. 530
3. 530 19. 530
4. 530 20. 531
5. 530 21. 530
6. 530 22. 530
7. 530 23. 530
8. 530 24. 530
9. 530 25. 530
10. 530 26. 530
11. 232 27. 529
12. 358 28. 530
13. 489 29. --
14. 514 30 . --
15. 529 31. ---
16. 529 INSTRUCTIONS:

On this format, list the average daily unit power level in MWE-Net for each day in the reporting month. Compute to the nearest whole megawatt.

VYDPF 0411.02 (Sample)

DP 0411 Rev. 8 Page 1 of 1 RT No. 13.FO1.18V

UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH FEBRUARY DOCKET NO 50-271 UNIT NAME Vermont Yankee DATE 030310 COMPLETED BY G.A. Wallin TELEPHONE (802)258-5414 1 2 3 4 5 No. Date Type Duration Reason Method of License System Component Cause and Corrective (hours) Shutting Event Code Code Action to Prevent Down Report # Recurrence Reactor 03-01 030211 S 0.00 B,H* 4 N/A RB CONROD Turbine bypass and MSIV Power testing, 06-23 HCU accumulator Reduction replacement, single rod scram testing, 79-40 breaker SF-6 leak repair, recirc "B" MG scoop tube lock up and "A" condensate pump maintenance, "C" feedpump seal replacement, and a rod pattern exchange.

03-02 030213 5 0.00 H* 4 N/A RB CONROD Power reduction for a rod Power pattern adjustment.

Reduction 1 F: Forced 2 Reason: 3 Method: 4 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 License C-Refueling 3 - Automatic Scram Event Report (LER) File D-Regulatory Restriction 4 - Other (Explain) (NUREG 0161)

E-Operator Training and License Examination 5 Exhibit I - Same Source VYDPF 0411.03 F-Administrative DP 0411 Rev. 8 G-Operational Error (Explain)

Page 1 of 1 *H-(Explain)- rod pattern exchange/adjustment

DOCKET NO. 50-271 DATE 030310 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH February

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 96.6 of rated thermal power for the month.

Gross electrical generation was 357,388 MWHe or 97.4% design electrical capacity.

Operating Summary The following is a chronological description of plant operations including other pertinent items of interest for the month:

At the beginning of the reporting period the plant was operating at 99.9%

of rated thermal power.

030211 At 0200 hours0.00231 days <br />0.0556 hours <br />3.306878e-4 weeks <br />7.61e-5 months <br />, reducing power to 27% to perform turbine bypass valve testing, MSIV full closure testing, 06-23 HCU accumulator replacement, single rod scram post-maintenance testing, 79-40 breaker SF-6 leak repair, recirc "B" MG scoop tube lock up and "A" condensate pump maintenance, "C" feedpump seal replacement, and a rod pattern exchange. (See Unit Shutdowns and Power Reductions) 030211 At 0309 hours0.00358 days <br />0.0858 hours <br />5.109127e-4 weeks <br />1.175745e-4 months <br />, secured the "A" condensate pump for maintenance.

030211 At 0330 hours0.00382 days <br />0.0917 hours <br />5.456349e-4 weeks <br />1.25565e-4 months <br />, completed MSIV full closure testing.

030211 At 0400 hours0.00463 days <br />0.111 hours <br />6.613757e-4 weeks <br />1.522e-4 months <br />, #3 turbine stop valve declared inoperative as found during testing. Under investigation and repair.

030211 At 0710 hours0.00822 days <br />0.197 hours <br />0.00117 weeks <br />2.70155e-4 months <br />, opened 79-40 breaker for leak repair.

030211 At 0719 hours0.00832 days <br />0.2 hours <br />0.00119 weeks <br />2.735795e-4 months <br />, commenced a rod pattern exchange.

030211 At 0808 hours0.00935 days <br />0.224 hours <br />0.00134 weeks <br />3.07444e-4 months <br />, secured the "C" feed pump for seal replacement.

030211 At 0951 hours0.011 days <br />0.264 hours <br />0.00157 weeks <br />3.618555e-4 months <br />, completed the rod pattern exchange.

030211 At 1311 hours0.0152 days <br />0.364 hours <br />0.00217 weeks <br />4.988355e-4 months <br />, closed 79-40 breaker following leak repair.

030211 At 1445 hours0.0167 days <br />0.401 hours <br />0.00239 weeks <br />5.498225e-4 months <br />, declared control rod 06-23 inoperable for accumulator replacement.

030211 At 1931 hours0.0223 days <br />0.536 hours <br />0.00319 weeks <br />7.347455e-4 months <br />, declared #3 turbine stop valve operable.

030211 At 2140 hours0.0248 days <br />0.594 hours <br />0.00354 weeks <br />8.1427e-4 months <br />, secured the "B" recirculation pump for MG scoop tube lock up maintenance.

030212 At 0247 hours0.00286 days <br />0.0686 hours <br />4.083995e-4 weeks <br />9.39835e-5 months <br />, started the "B" recirculation pump following MG scoop tube lock up maintenance.

030212 At 0341 hours0.00395 days <br />0.0947 hours <br />5.638227e-4 weeks <br />1.297505e-4 months <br />, started the "A" condensate pump following repairs.

030212 At 0355 hours0.00411 days <br />0.0986 hours <br />5.869709e-4 weeks <br />1.350775e-4 months <br />, performing single rod scram testing on 06-23 rod following accumulator replacement.

030212 At 0414 hours0.00479 days <br />0.115 hours <br />6.845238e-4 weeks <br />1.57527e-4 months <br />, scram testing satisfactorily completed, HCU 06-23 declared operable.

030212 At 0945 hours0.0109 days <br />0.263 hours <br />0.00156 weeks <br />3.595725e-4 months <br />, completed turbine bypass valve testing.

030212 At 1135 hours0.0131 days <br />0.315 hours <br />0.00188 weeks <br />4.318675e-4 months <br />, commenced a return to full power.

030213 At 2000 hours0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br />, reduced power to 69% for a rod pattern adjustment.

(See Unit Shutdowns and Power Reductions) 030213 At 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br />, completed the rod pattern adjustment and began a return to full power.

At the end of the reporting period the plant was operating at 99.9% of rated thermal power.

VYDPF 0411.04 (Sample)

DP 0411 Rev. 8 Page 1 of 1 RT No. 13.FO1.18X

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