ML20137C716

Monthly Operating Rept for Feb 1997 for Maine Yankee

ML20137C716
Person / Time
Site:	Maine Yankee
Issue date:	02/28/1997
From:	Stewart Bailey, Hebert J Maine Yankee
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
RTR-NUREG-0020, RTR-NUREG-20 JRH-97-62, MN-97-45, NUDOCS 9703250099
Download: ML20137C716 (5)

Text

M m .

MaineYankee REllABLE ELECTRICITY SINCE 1972 1

329 BATH ROAD + BRUNSWICK, MAINE 04011 * (207) 798-4100 i

March 17,1997 MN-97-45 JRH-97-62 ]

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UNITED STATES NUCLEAR REGULATORY COMMISSION Attention: Document Control Desk i Washington, DC 20555 d

References:

(a) License No. DPR-36 (Docket No. 50-309) 1 (b) NUREG-0020, Licensed Operating Reactor Status Summary Report i

Subject:

Maine Yankee Monthly Statistical Report - February 1997 l 2

i Gentlemen: 1 l

Enclosed pleas, find the February 1997 Monthly Statistical Report for Maine Yankee. l i

1 If you have any questions, please do not hesitate to contact me.  ;

Very truly yours, m . ,

// i a 9ames R. Hebert, Manager 3 Licensing & Engineering Support Department SJB Enclosures @/:

=

2 c: Mr. Hubert Miller /

Mr. J. T. Yerokun i

Mr. Daniel H. Dorman Mr. Patrick J. Dostic Mr. Uldis Vanags

[ f 9703250099 970228 PDR ADOCK 05000309 i

R PDR '

hI 5,4 L:\97MNi9745.WPD

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l OPERATING DATA REPORT Docket No.: 50-309 Date: 17/ Mar /97 Completed By: S. J. BAILEY Telephone: 207-798-4241

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

2. Reporting Period................................ February 1997

3. Licensed Thermal Power (HWt).................... 2700

4. Nameplate Rating (Gross HWe).................... )

920

5. Design Electrical Rating (Net HWe).............. 870 1

6. Maximum Dependable Capacity (Gross HWe)......... _ _900

7. Maximum Dependable Capacity (Net HWe)........... 860

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

Since Last Report, Give Reasons:

NO CHANGES

9. Power Level to Whtch Restricted, if Any (Net HWe) 795

10. Reasons for Restrictions, if Any:

By NRC Confirmatory Order dated Jan. 3, 1996. Maine Yankee is restricted to 2440 MWt. A new computer code for Small Break LOCA is beino evaluated at Maine Yankee to allow operation to 2700HWt THIS HONTH YEAR-TO-DATE CUMULATIVE

11. Hours In R(porting Period 672.00 1.416.00

12. Number of Hours Reactor Was Critical........... 0.00 0.00 163.902.19

13. Reactor Reserve Shutdown

• Hours.................. 0.00 0.06 0.00

14. Hours Generator On-line.. 0.00 0.00 159,020.30

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

16. Gross Thermal Energy Generated (HWH)........ 0.00 0.00 377.611,152.00 j

17. Gross Electrical Energy i Generated (HWH)........ 0.00 0.00 124.570,384.00

18. Net Electrical Energy Generated (HWH)........ 0.00 0.00 119,543.416.00

19. Unit Service Factor...... 0.00 0.00 , 74.64

23. Unit Availabilty Factor.. 0.00 0.00 74.64

21. Unit Capacity Factor (Using HDC Net)........ 0.00 0.00 69.25

22. Unit capacity Factor (Using DER Net)........ 0.00 0.00 67.81

23. Unit Forced Outage Rate.. 1G0.00 100.00 8.99_

24. Shutdowns Scheduled Over Next 6 Months: NONE

25. If Shutdown at End of Report Period, Estimated Date of Startup 8/31/97

I AVERAGE DAILY UNIT POWER LEVEL {

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'FOR FEBRUARY 1997 I s

Docket No.: 50-309 j

} Unit: Maine Yankee '

Date: 14/Har/97 Completed By: S. J. BAILEY Telephone: 207-798-4241 l 1

l DDy Avg. Daily Power Level Day Avg. Daily Power Leve (HWe-Net) (HWe-Net) 1 .................... 0 16

.................... 0 2 .................... 0 17 O

.................... j i

3 .................... 0 18 .................... O q

4 .................... 0 19 .................... O 4 L

5 .................... 0 20 .................... 0 1 l 6 .................... 0 21 .................... 0 7 .................... 0 22 .................... 0 2

8 .................... 0 23 .................... 0 9 .................... 0

• 24 .................... O i le .................... 0 25 .................... O 11 .................... 0 26 .................... 0 12 .................... 3 27 .................... 0 13 .................... 0 28 .................... O 14 .................... 0 15 .................... 0 4

4 3

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Docket No: 50-309 Unit Name: Maine Yankee Date: 3-14-97 Completed By: S.J. Bailey Telephone: 207-798-4241 Report Month: February , 1997 l

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s i NARRATIVE SUNHARY OF OPERATING EXPERIENCES I

Plant remained off-line due to continued cable separation review, fuel inspection and fuel replacement. Maine Yankee began the refueling outage on February 12, 1997. l l

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UNIT SHUTDOWNS AND POWER REDUCTIONS Docket No.: 50-309 FOR FEBRUARY 1997 Unit: Maine Yankee l Date: 19/Har/97 Completed By: S. J. BAILEY Telephone: 207-798-4241 Page: 1 of 1 Number L.R. to 90.3% 06-96-15 07-97-15 1

Date L 960124 [ 961205 h 970212

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Type (1) l F L F S I ll Duration (Hours) 0 264 408 Reason (2) L D [ D L C l

l Hethod (3) l 4 L 1 L 1 LER # [ N/A L 96-038 N/A System i

Code (4) ZZ IA ZZ l

Component '

Code (5) ZZZZZZZZ CKTBRK-A ZZZZZZZZ By NRC Confirma- Remained off-line Unit began tory Order, Maine due to continued refueling outage Yankeo is cable separation on 2/12/97.

restricted to review and fuel Cause and 2440 MWTh until a inspection.

Corrective new computer code Action is evaluated to allow operation at 2700 MWTh.

1. TYPE: 2. REASON: (cont) 4. SYSTEH 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. HETHOD: (LER) File (NUREG.0161)

D-Haintenance or Test 1-Hanual 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