ML20238D861

Monthly Operating Rept for Nov 1987

ML20238D861
Person / Time
Site:	Maine Yankee
Issue date:	11/30/1987
From:	Rivard D, Whittier G Maine Yankee
To:	Hartfield R NRC
References
9386L-SDE, GDW-87-277, MN-87-136, NUDOCS 8801040483
Download: ML20238D861 (6)

Text

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'A Maine gankee O

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M o ri t h 1 y Statistical R e p ca r- t F;o r- N o v e m b e r- 1987 8801040403 871130 DR ADOCK 0500

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3 OPERATING DATA REPORT Docket No.: 50-309 Date: 03/Dsc/87 Completed By: D.A. RIVARD Telephone: 207-882-6321

1. Unit Name....................................... Maine Yankee

2. Reporting Period................................ November 1987

3. Licensed. Thermal Power (MWt).................... 2630

4. Nameplath Rating (Gross MWe).................... 864

5. Design Electrical Rating (Net MWe).............. 825

6. Maximum Dependable Capacity (Gross MWe)......... 850

7. Maximum Dependable Capacity (Net MWe)........... 810 i

8. If Changes in Capacity Ratings (Items Number 3-7)

Since Last Report, Give Reasons:

NO CHANGES

9. Power Level to Which Restricted, if Any (Net MWe)

10. Reasons f or Restrictions, if Any:

THIS MONTH YEAR-TO-DATE CUMULATIVE

11. Hours In Reporting Period 720.00 8.016.00

12. Number of Hours Reactor Was Critical........... 720.00 4.980.43 105.109.32

13. Reactor Reserve Shutdown Hours.................. 0.00 0.00 0.00

14. Hours Generator On-line.. 720.00 4.671.39 102.011.08

15. Unit Reserve Shutdown Hours.................. 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH)........ 1.877.399.00 11.174.480.00 232,431.792.00

17. Gross Electrical Energy Generated (MWH)........ 595.790.00 3.575.840.00 76.276.850.00

18. Net Electrical Energy Generated (MWH)........ 576.455.00 3.451.078.00 72.879.149.00

19. Unit Service Factor...... InO.OO 58.28 77.28

20. Unit Availability Factor. . 100.00 58.28 77.98

21. Unit Capacity Factor (Using MDC Net)........ 98.84 53.15 69.78

22. Unit Capacity Factor (Using DER Net)........ 97.05 52.18 67.99

23. Unit Forced Outage Rate.. 0.00 22.44 7.36 l

24. Shutdowns Scheduled Over Next 6 Months: NONE ,

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25. If Shutdown at End of Report Period. Estimated Date of Startup: N/A l 1

'I Docket No 50-309 .i L'

, Unit Nnmas Maina Ycnkeni l .

Date: 01/Dec/87 l Completed By: D.A. Rivard

- Tel ephone- 707-882-6321 l

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1' t Report' M*onth: November, 1987 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCES At the beginning of the month, the unit was at 100% power.

On 4 November, power was reduced to 75% for turbine valve'and excess flow check valve testing, and condenser. water box cleaning.

On 5 November, power was raised to 100%.

At the end of the month, the unit was at 100% power.

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l .cAVERAbE DAILY UNIT POWER LEVEL cFOR: NOVEMBER'1987 Docket No.: 50-309 Unit: Maine Yankee Date: 03/Dec/87.

Completed By: D.A. RIVARD' Telephone: 207-882-6321 L

,J-Day Avg. Daily Power Level Day Avg. Daily Power Level (MWe-Net) (MWe-Net) 1 .................... 806 16 .................... 810 2 .................... 806 17 ....................- 810 3 .................... .798 18 .................... 807 4 .................... 658 19 . . . . . . . . . . . . . . . . . . . . - 806 5 .................... 740 20 .................... 810 6 .................... 809 21 .................... 809 7 .................... 808 22 .................... 806 8 ........... ........ 809 23 .................... 809-9 .................... 810 24 .................... 808 10 .................... 809 25 .................... 809 11 .................... 809 26 .................... 808 l

12 .................... 809 ,

27 .................... 809 2 13 .................... 807 28 .................... 808 14 .................... 810 29 .................... 806 15 .................... 809 30 .................... 809 i 4

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. .~. 50-309 UNIT SHUTDOWNS AND POWER REDUCTIONS Dockat No.:

• FOR NOVEMBER 1987 Unit Mnina Ycnkca Date: 03/Dec/87 Completed By: D.A. RIVARD Telephone: 207-892-6321 Page: 1 of 1 h

Number L. R. to 75%

Drte 871104 Type (1) S Duration (Hours) O Reason (2) B M;thod (3) 4 LER # N/A System Code (4) HA Component Code (5) VALVEX-C Reduced power for turbine valve and excess fitw check valve testing, and Cause and condenser water Corrective box cleaning.

Action .

1. TYPE: 2. REASON: (cont) 4. SYSTEM CODE:

(F)orced F-Administrative Exhibit G-Instructions (S)cheduled G-Operational Error for Preparation of Data; H-Other (Explain) Entry Sheets for

2. REASON Licensee Event Report A-Equipment Failure 3. METHOD: (LER) Fil e (NUREG.0161),

B-Maintenance or Test 1-Manual C-Refueling 2-Manual Scram 5. COMPONENT CODE:

D-Regulatory Restriction 3-Automatic Scram Exhibit I-Same source E-Operator Training & 4-Other (Explain) as above.

License Examination

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T. MaineYankee AEUABLE E.ECTRCTY FOR MAINE SINCE 1972

' EDISON DRIVE AUGUSTA. MAINE 04330 .(207) 622 4868 h

8, 1987 December HN-87-136 GDH-87-277

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Office of Resource Management United States Nuclear Regulatory Commission Washington, D. C. 20555

. Attention: Mr. Richard A. Hartfield, Chief Management Information Branch

References:

(a) License No. DPR-36 (Docket No. 50-309).

(b) NUREG-0020, Licensed Operating Reactors Status Summary Report

Subject:

Maine Yankee Monthly Statistical Report

' Gentlemen:

Enclosed you will find the Monthly Statistical Report for the Maine Yankee-Atomic Power Station for November,1987.

Very truly yours, HAINE YANKEE hh bV G. D. Whittier, Manager Nuclear. Engineering and Licensing GDH/bjp Enclosure l

cc: Acting Director, PDI-3 Mr. Hilliam T. Russell gioWh p '/

I Mr. Pat Sears Mr. Cornelius F. Holden pS 1GW . . .

j sti'd 9386L-SDE CF2 y /[