ML20042A965
| ML20042A965 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 11/09/1981 |
| From: | Burger F VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | |
| Shared Package | |
| ML20042A964 | List: |
| References | |
| NUDOCS 8203240340 | |
| Download: ML20042A965 (8) | |
Text
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t VERMONT YANKEE NUCLEAR POWER STATION j
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l MONTHLY STATISTICAL REPORT 81-10
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FOR THE MONTH OF OCTOBER, 1981 r
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8203240340 011109 3
PDR ADOCK 05000271 R
OPERATING DATA REPORT 50-271 DOCKET NO.
DATE 811109 COMPLETED BY F.J. Burger TELEPHONE (802)257-7711 Ext. 137 OPERATING STATUS Notes
- 1. Unit Name:
Vermont Yankee
- 2. R: porting Period:
October
- 3. Licensed Thermal Power (Wt):
1593
- 4. N:meplate Rating (Gross We):
540
- 5. Draign Electrical Rating (Net We): 514(oc) 504(ce)
- 6. Maximum Dependable Capacity (Gross MWe):
535
- 7. Maximum Dependable Capacity (Net MWe):
504
- 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):
- 10. Reasons For Restrictions, If Any:
This Month Yr -to-Date Cumulative
- 11. Hours In Reporting Period 745.00 7.296.00
- 12. Number Of 11ours Reactor Was Critical 372.83 6,890.95 64.426.73
- 13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00
- 14. Hours Generator On-Line 372.83 6.832.88 62,434.46
- 15. Unit Reserve Shutdown Hours 0.00 0.00 0.00
- 16. Gross Thermal Energy Generated (MWH) 565,667.00 10,506,102.00 89.109.619.00
- 17. Gross Electrical Energy Generated (MWH) 188.242.00 3.491.969.00 29,604,816.09
- 18. Net Electrical Energy Generated (MWH) 176,997.00 3,312,676.00 28,060,255.00
- 19. Unit Service Factor 50.04 93.65 78.16
- 20. Unit Availability Factor 50.04 93.65 78.16
- 21. Unit Capacity Factor (Using MDC Net) 47.14 90.0g 69.70
- 22. Unit Capacity Factor (Using DER Net) 46.22 88.33 68.35
- 23. Unit Forced Outage Rate 2.91 1.47 A 71
- 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:
December 1, 1981
- 26. Units In Test Status (Prior to Commercial Operation):
Forecast Achieved INITIAL CRITILAIITY INITIAL ELECTRICITY COMMERCIAL OPERATION
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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-271 UNIT Vermont Yankee DATE 811109 COMPLETED BY F.J. Burger TELEPHONE (802)257-7711 Ext. 137 MONTH October DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) 1.
478 17.
0.0 2.
481 18.
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0.0 3.
479 19.
0.0 4.
473 20.
o.o 5.
476 21.
n_n 6.
475 22.
n_n 7.
472 23.
nn 8.
472 24.
'0.0 9.
472 25.
0.0 10.
473 26.
0.0 11.
467 27.
0.0 12.
473 28.
0.0 13.
472 29e 0.0 14, 469 30.
0.0 15.
485 31.
0.0 16.
259 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.
6
L' NIT SilUTDOWNS AND POWER REDUCTIONS DOCKET NO 50-271 UNIT NA!!E _
verm2nt Yankee REPORT MONhil DATE 8J1109 October COMPLETED BY F.J. Burger TELEPil0NE
(_802)257-7711 Ext. 137 A
cm m Su u
ause & Corrective No.
Date o
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S 81-19 811016 F
11.17 A
3 N/A IIB INSTRU Reactor scrammed when turbine control switched to MPR.
The MPR failed to respond and the turbine control valves shut. The reactor scrammed on high flux.
Since the annual refueling outage was scheduled to commence later on the same day the unit remained shut down.
81-19 811016 S
361.00 C
N/A N/A ZZ ZZZZZ F: Forced Reason:
Method:
Exhibit G-Instructions S: Scheduled A-Equipment Failure (Explain)
'l-Manuni for Preparation of Data B-tfaintenance o r Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File l
D-Regulatory Restriction 4-Other (Explain)
E-Operator Training & License Examination 5
l F-Administrative Exhibit I - Same Source i
G-Operational Error (Explain)
Il-Other (Explain) 1
DOCKET NO.
Ju-zil UNIT Vermont Ynnkta DATE 811109 COMPLETED BY F.J. Burger TELEPHONE (802)257-7711 Ext. 137 SAFETY RELATED MAINTENANCE page 1 of 3 NATURE OF MALFUNCTION ER OR OUTAGE EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION HPCI Pump, P23-44A Corrective N/A Normal Operation Outboard Bearing Replaced Parts As MR 81-0254 011 Leak Necessary Reactor Mode Switch Corrective
_N/A Dirt Accumulation Spurious Rod Cleaned Contacts MR 81-0260 on Contacts Block Generated When Cycled From Refuel to Start-up. Condition Cleared Itself RWCU Relief Valve Corrective N/A Dirt on Seat Valve Weeping Disassembled and SR 12-85 MR 81-0555 Cleaned Valve HPCI Condensate Pump, Corrective N/A
- Normal Operation Leakage at Replaced Fitting P23-87-1A MR 81-0713 Threaded Fitting on Pump Casing Lower Scram Solenoid Valve Corrective N/A Normal Wear Solenoid Noisey Rebuilt Solenoid for HCU 26-31 MR 81-0773 RCIC Valves Corrective N/A N'ormal Wear Leakage Repacked Valves VI3-150A6B MR 81-0812 Drywall Equip. Drain Corrective N/A 10comal Operation Sump Check Valve V20-90B MR 81-0839 Sticky Operation Disassembled and Cleaned Valve u
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DATE 811109 COMPLETED BY F.J. Burger TELEP110NE 6802)257-7711 Ext. 137 SAFETY RELATED MAINTENANCE NATURE OF MALFUNCTION ER OR OUTAGE EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION Hays Unit 72-BX4 From F-2-3-72B, Used For llPCI Corrective N/A Failed Component Failed Test Replaced Unit rrbine llinh Level Trip MR 81-0848 Circuit DIS Relay 16A-K50C Preventive N/A Normal Wear Relay Coil Replaced Coil MR 81-0870 liousing Dis-colored and Odoriferous orus /Drywell Temperature Corrective N/A Deteriorated Recorder De-Replaced Components
- corder 16-19-45 MR 81-0985 Component in Pen graded But as Necessary Balance Section Operable CIS Temperature Corrective N/A Normal Wear Switch Failed Replaced Switch itch TS 2-121C MR 81-0991 CIC Turbine Corrective LER EGR Inoperable RCIC Inoperable Replaced EGR MR 81-1018 81-24/3L qwell Equip. Sump Corrective LER
,' Normal Operation Would Not Close Cleaned and Lubricated rolation Valve V20-95 MR 81-1064 81-25/3L Actuator.
AD Flow Indicator Corrective N/A Blown Fuse Indicator In-Replaced Fuse MR 81-1067 operable CIS Relay 16A-K49D Corrective N/A Normal Wear Relay Coll Replaced Coil MR 81-1081 Burned Out
DULKEl' NU.
3U-2/1 UNIT Vermont Ytnkte DATE 811109 COMPLETED BY F.J. Burger TELEPIIONE (802)257-7711 Ext. 137 SAFETY RELATED MAINTENANCE oane 3 of 3 NATURE OF MALFUNCTION ER OR OUTAGE EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION IRM "B" Corrective N/A Failed Components Rcadings Irratic Replaced Components MR 81-1146 Two Rod Interlock Corrective LER Faulty Position Interlock In-Replaced Probe MR 81-1155 81-29/3L Indication Probe operable.
Control Cable for llPCI Corrective N/A Cable Accidentally Valve Inoperable Replaced Cable Valve V23-16 MR 81-1200 Cut While removing (Plant Shutdown)
Conduit.
RWCU PCV.12-55 Corrective N/A Faulty Solenoid Irratic Operation Rebuilt Solenoid MR 81-1235
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DOCKET NO.
50-271 Vermont Yankee UNIT 811109 DATE COMPLETED BY F.J. Burger
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TELEPHONE (802)257-7711 Ext. 137 REPORT MONTH ocenhor
SUMMARY
OF OPERATING EXPERIENCES Highlighcs Vermont Yankee operated a: 47.6%
of rated thermal power for the month.
Gross electrical generation was 188,242 MWH, or 46.8% of design electrical capacity.
Operating Summary The following is a chronological description of plant operations including other pertinent items of interest for the month:
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10/1/81 At the beginning of the reporting period the reactor was operating at 97.3% of rated thermal power.
Power coastdown for refueling was in progress.
10/16/81 At 1250 hrs. the reactor scrammed on a high flux trip. (See Unit Shutdowns and Power Reductions).
10/31/81 At the end of the reporting period refueling was in progress.
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