ML20023C237
| ML20023C237 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 05/09/1983 |
| From: | Burger F VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | |
| Shared Package | |
| ML20023C236 | List: |
| References | |
| NUDOCS 8305170007 | |
| Download: ML20023C237 (7) | |
Text
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VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAI, REPORT 83-04 FOR THE MONTH OF APRIL, 1983 0305170007 830512 PDR ADOCK 05000271 R
PDR i
l OPERATING DATA REPORT DOCKET NO.
50-271 DATE 830509 COMPLETED BY F.J. Burger TELEPHONE 802/257-7711 Ext. 136 OPERAT7NG STATUS tes
- 1. Unit Name:
Vermont Yankee
- 2. Reporting Period:
April
- 3. Licensed Thermal Power (MWt):
1593
- 4. Nameplate Rating (Gross MWe):
540
- 5. Design Electrical Rating (Net MWe): 514(oc) 504(cc)
- 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:
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 719.00 2,879.00
- 12. Number Of Hours Reactor Was Critical 0.00 1,471.42 75,014.41
- 13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00
- 14. Hours Generator On-Line 0.00 1,459.20 72,878.89
- 15. Unit Reserve Shutdown Hours 0.00 0.00 0.00
- 16. Gross Thermal Energy Generated (MWH) 0.00 1,939,956.50 105,029,199.00-
- 17. Cross Electrical Energy Generated (MWH) 0.00 666,902.00 34,928,0'>9.00
- 18. Net Electrical Energy Generated (MWH) 0.00 637,364.00 33,127,905.00
- 19. Unit Service Factor 0.00 50.68 78.38
- 20. Unit Availability Factor 0.00 50.68 78.38
- 21. Unit Capacity Factor (Using MDC Net) 0.00 43.93 70.69
- 22. Unit Capacity Factor (Using DER Net) 0.00 43.07 69.32
- 23. Unit Forced Outage Rate 0.00 3.49 6.30
- 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
Refueling outage. currently in progress, started March 5, 1983
- 25. If Shut Down At End Of~ Report Period, Estimated Date of Startup: June 15 1983
- 26. Units In Test Status (Prior to Commercial Operation):
Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION
AVERAGE DAILY UNIT POWER LEVEL 50-271 DOCKET NO.
UNIT Vermont Yankee DATE 830509 COMPLETED BY F.J. Burger TELEPHONE 802/257-7711 Ext. 136 MONTH April DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) 1.
0 17, 0
2.
0 18.
0 0
0 19.
3.
0 0
4.
20.
0 0
5.
21.
0 0
6.
22.
0 0
7.
23.
0 0
8.
24.
0 0
9.
25.
0 O
10.
26.
0 0
11.
27.
0 0
12.
28.
0 13.
29.
0 14.
30.
15.
31.
O 16.
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.
__r UNIT SliUTDOWNS AND POWER REDUCTIONS DOCKET NO 50-271 UNIT NAME vermont Yankee f
DATE NW REPORT MONTil April COMPLETED BY F.J. Burger l
TELEP110NE 802/257-7711 Ext. 136
$7 y
Cause & Corrective N
o o
No.
Date g
gg g
gg License g
9 rt#
g g
o S
83-04 830305 S
719 C
3 N/A N/A N/A Continuing the 1983 Refueling Outage.
(cont) b i
1 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 l
C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Other (Explain)
E-Operator Training & License Examination F-Administrative 5 Exhibit I - Same Source G-Operational Error (Explain)
II-Other (Explain) t 7/80 f
DOCKET EO.
50-271 UNIT Vermont Yankee DATE 830509 COMPLETED BY F.J. Burger TELEPIIONE 802/257-7711 Ext. 136 SAFETY RELATED MAINTENANCE Page 1 of 2 NATURE OF LER OR OUTAGE MALFUNCTION EQUIPMENT HAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION Drywell 111 Pressure Scram P'reventative N/A Worn Parts Relay Chatter Rebuild Relay Relay SA-K4A MR 82-0387 RCIC Valve V13-21 Corrective N/A Worn Parts Seat Leakage Lapped Seat MR 82-0726 RCIC Instrument Isolation Corrective N/A Worn Parts Leakage Replaced Valve Valve V13-87C MR 82-0882 MR 83-1090 IRM "D" Corrective N/A Failed Parts Erra tic Replaced Detector and MR 82-1070 Indication Drywell Cable IRM "B" Corrective N/A Failed Parts Erratic Replaced Detector and MR 82-1071 Indication Drywell Cable Instrument Isolation Valve Corrective N/A Worn Parts Leakage Replaced Valve A-12 for Main Steam Flow MR 82-1275 Instruments MR 82-1548 HPCI Low Pressure Switch Corrective N/A Worn Parts Leakage Replaced Valve PS-23-68D Instrument MR 83-0162 Isolation Valve Reactor Building Ventilation Corrective N/A Failed Parts Erratic Spiking Replaced Parts Monitor 17-452B MR 83-0265 Causing Group III Isolation a
DOCKET NO.
50-271 UNIT Vermont Yankee DATE 830509 COMPLETED BY F.J. Burger TELEPIIONE 802/257-7711 Ext. 136 SAFETY RELATED MAINTENANCE NATURE OF ER OR OUTACE MALFUNCTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION Reactor Jet Pump Instrument Corrective N/A Worn Parts Leakage Replaced Valve Block Valve 2-3-64W MR 83-0278 Reactor Jet Pump Instrument Corrective N/A Worn Parts Leakage Replaced Valve Block Valve 2-3-63B MR 83-0283 Of f Gas Rad Fonitor Corrective N/A Failed Parts Erra tic Replaced Drawer 17-150A MR 83-0437 Indication RWCU Valve V12-74 Corrective N/A Worn Parts Seat Leakage Lapped Seat and MR 83-0516 Ground Disc Main Steam Flow Instrument Corrective N/A Worn Parts Leakage Replaced Valve Block Valve MR 83-0569 RWCU Valve V12-68 Corrective N/A Failed Limit Valve Continues Replaced Limit Switches MR 83-0608 Switches To Drive Shut and Valve Stem After Closed l
1 s
Q
DOCKET NO.
50-271 UNIT Vermont Yankee DATE 830509 COMPLETED BY F.J. Burger TELEPHONE 802/257-7711 Ext. 136 REPORT MONTH April
SUMMARY
OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 0%
of rated thermal power for the month.
Gross electrical generation was O
MWH r 0 f design electrical e
capacity.
Operating Summary The following is a chronological description of plant operations including other pertinent items of interest for the month:
Throughout the reporting period the plant was shutdown for the 1983 Refueling Outage.
.