ML20202H958

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Monthly Operating Rept for Mar 1986
ML20202H958
Person / Time
Site: Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date: 03/31/1986
From: Murphy W, Wallin G
VERMONT YANKEE NUCLEAR POWER CORP.
To:
NRC
References
VYV-86-084, VYV-86-84, NUDOCS 8604150495
Download: ML20202H958 (7)


Text

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OPERATING DATA REPORT I

Docket No.

50-271 Date 860410 Completed by G.A. Wallir.

Telephone (802) 257-7711 2

1 OPERATING STATUS 1.

Unit Name:

Vermont Yankee 2.

Reporting Period:

March 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 j

7.

Maximum Dependable Capacity (Net MWe):

504 8.

If changes occur in capacity ratings (Items Number 3 through 7) since last j

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 744.00 2160.00__
12. Number of Hours Reactor was Critical 0.00 0.00 93111.06
13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00
14. Hours Generator On-Line 0.00 0.00 90718.35
15. Unit Reserve Shutdown Hours 0.00 0.00 0.00
16. Gross Thermal Energy Generated (MWH) 0.00 0.00 132109630.50
17. Gross Electrical Energy Generated (MWH) 0.00 0.00 43955902.00
18. Net Electrical Energy Generated (MWH) 0.00 0.00 41700250.00
19. Unit Service Factor 0.00 0.00 76.52
20. Unit Availability Factor 0.00 0.00 76.52
21. Unit Capacity Factor (using MDC Net) 0.00 0.00 69.79
22. Unit Capacity Factor (using DER Net) 0.00 0.00 168.43
23. Unit Forced Outage Rate 0.00 0.00 6.92
24. Shutdowns scheduled over next 6 months (Type, Date and Duration of Each):

Refueling outage began September 21, 1985 for 40 weeks.

25. If shut down at end of report period, estimated date of startup:

June 26, 1988

26. Units in Test Status (prior to commercial operation): N/A' Forecast Achieved Initial Criticality Initial Electricity Commercial Operation y

P i

i i

AVERAGE DAILY UNIT POWER LEVEL-Docket No.

50-271 Unir Vermont Yankee Date 860410 Completed by-G.A. Wallin Telephone (802) 257-7711 MONTH March DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 0

17 0

2 0

18 0

3 0

19 0

4 0

20 0

5 0

21 0

6 0

22 0

7 0

23 0

8 0

24 0

9 0

25 0

10 0

26 0

11 0

27 0

12 0

28 0

13 0

29 0

14 0

30 0

15 0

31 0

16 0

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.

Docket No.

50-271 Unit Vermont Yrnkee UNIT SHUTDOWNS AND POWER REDUCTIONS Date 860410 Completed by G. A. Wallin REPORT M] NTH March Telephone (802) 257-7711 1

2 3

4 5-No.:

Date Type Duration Reason Method of License System Component Cause and Corrective Action to (hours)

Shutting Down Event Code Code.

Prevent Recurrence Reactor Report #

85-14 860301 S

744 C

1 NA N/A N/A 1985-86 RefuelingA4aintenance/

(cont:

Recirc Pipe Replacement Outape in progress.

I i-l I

l l

1 2

.3 4

F-Forced'

'A-Equipment' Failure (Explain)

' Method L Exhibit G.- Instructions

-S-Scheduled B-Maintenance or Test 1-Manual for Preparation of Data Entry C-Refueling.

2-Manual Scram Sheets-for Licensee Event j

D-Regulatory. Restriction 3-Automatic Scram.

Report -(LER) File (NUREG 0161)

E-Operator Training and License Examination 4-Other (E:tplain)

F-Achinistrative 5

G-Operational Error.(Explain)

Exhibit I - Same Source H-Other (Explain)

Docket No.

50-271 Unit Vermont Y nkee Date 860410 Completed by G.A. Wallin SAFETY-RELATED MAINTENANCE Telephone (802) 257-7711 EQUIPMENT NATURE OF LER OR OUTAGE MALFUtCTION CORRECTIVE ACTION MAINTENANCE NLNBER CAUSE RESULT Standby Liquid Control Corrective LER 86-04 Incorrectly wired SLC System Replaced Trigger Squib Valve Trigger t41 86-0278 Trigger Assemblies inoperative Assemblies Assemblies provided by vendor 4

t l

l l

4 W

Docket No.

50-271 Unit Vrrmont Yankro Date 860410 Completed by G.A. Wallin Telephone (802) 257-7711 REPORT MONTH March

SUMMARY

OF OPERATING EXoERIENCES Hiahlights Vermont Yankee operated at 0% of rated thermal power for the month.

Gross electrical generation was O

MWHe or 0% of design electrical capacity.

Operatino 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 1985/1986 Refueling / Maintenance /Recire Pipe Replacement Outage.

{f I

VERhiONT YANKEE NUCLEAR POWER CORPOR ATION P. O. BOX 157 GOVERNOR I!UNT ROAD VERNON, VERMONT 05354 VYV 86-084 April 10,1986 U. S. Nuclear Regulatory Commission Director, Office of Management Information and Program Control Washington, D. C.

20555

Dear Sir:

Submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of March 1986.

Very truly yours, VERMONT YANKEE NUCLEAR F0WER CORP.

A Warren P Murp y Vice Pr sident an Manager of Operations WPM /G4W/gnv:MSRl.lA45R

%N it t

c-VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 86-03 FOR THE MONTH OF MARCH, 1986 i

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