ML20087F146

Monthly Operating Rept for Jul 1995 for Cooper Nuclear Station

ML20087F146
Person / Time
Site:	Cooper
Issue date:	07/31/1995
From:	Ballinger P, Herron J NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
CENG958029, NUDOCS 9508150155
Download: ML20087F146 (5)

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COOPER NUCLEAR STATON '

PJG. BOX M, BROWNVt1E. NE8RASKA M321 Nebraska Public Power District "fM'Tri CENG958029.

August 10,.1995 Document Control Desk U. S. Nuclear Regulatory Commission

. Washington,. - D.C. 20555  :

Subjects Monthly Operating Status Report for July, Docket No. 50-298. i Gentlemen:

' Enclosed for your information and use is the Cooper Nuclear Station Monthly Operating Status Report for July, 1995. The report includes Operating Status, Average Daily Unit Power Level,' Unit Shutdown Data and a Narrative Summary of >

Operating Experience for the month of July. ,

l Should you have any comments, or require additional information.regarding this report, please contact me.

Sincerely, l

. T. Herron lant Manager

-JTH:PLB:tlb c

Enclosures cc: J. R. McPhail R. L. Gangel G R. Horn P. D. Graham A. L. Dostal K. C. Walden D. D. Rieger E. A, Lanning 'i A. J. Hubl R. L. Gumm a J. H. Mueller )

NRC Senior Resident Inspector T. H. Black R. J. Singer i T. L. Bundy 41 L. J. Callan .l INPO Records Center R. W. Beck and Associates ANI Library

-E. J. Mroczka H. J. Green F. E. Yost 9508150155 950731 /

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i OPERATING DATA REPORT DOCKET NO. 050-0298 UNIT CNS DATE Aucust 10. 1995 QPERATING STATUS TELEPHONE f402) 825-5295 14 Unit Name: Coooer Nuclear Station Notes

2. Reporting Period: Julv 1995

3. Licensed Thermal Power (MWt): 2381

4. Ntimeplate Rating (Gross MWe): 836

5. Design Electrical Rating (Net MWe): 778 r

6, Ma imum Dependable Capacity (Gross MWe): 787

7. Me 4imum Dependable Capacity (Net MWe): 764

8. r, 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. fleasons For Restriction, if Any:

I This Month Yr. to-Date Cumulative

11. Hours in Reporting Period 744.0 5.087.0 184.824.0

13. Number of Hours Reactor Was Critical 744.0 3 971.0 137.161.2 l

13, Reactor Reserve Shutdown Hours 0.0 0.0 0.0 {

14. Hours Generator On-Line 744.0 3.848.5 135.127.8

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1.750.104.0 9.008.792.0 280.320.036.0

17. Gross Electric Energy Generated (MWH) 569.352.0 2.958.900.0 91.077.245.0

18. Net Electric Energy Generated (MWH) 552.081.0 2.867.286.0 87.965.724.0

19. Unit Service Factor 100.0 75.7 73.1

20. Unit Availability Factor 100.0 75.7 73.1

21. Unit Capacity Factor (Using MDC Net) 97.1 73.8 62.3

23. Unit Capacity Factor (Using DER Net) 95.4 72.4 61.2

23. Unit Forced Outage Rate 0.0 24.3 8.6

24. Shutdown Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

Refuelina Outace. October 1995.

25. If Shut Down At End of Report Period, Estimated Date of Startup: N/A 1

26. Units in Test Status (Prior to Commercial Operation): Forecast Achieved .

l INITIAL CRITICALITY INITIAL ELECTRICITY __

COMMERCIAL OPERATION

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4 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 050-0298 UNIT CNS '

DATE August 10. 1995 MONTH July 1995 TELEPHONE (402) 825-5295 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 1 (MWe-Ne t) 758 17 744 2 759 18 74 5 3 761 19 744 4 761 20 744 5 759 21 749 6 759 22 749 7 758 23 747 8 758 24 749 9 721 25 751 10 755 26 744 11 711 27 741 12 692 28 746 13 744 29 746 14 742 30 744 15 724 31 746 16 653 INSTRUCTIONS On this format, reporting month. list the average daily unit power level in MWe-Net for each day in the Compute to the nearest whole megawatt.

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w UNIT SHUTDOWNS AND POWER REDUCTION 3 .

DOCKET NO. 050-0298 UNIT NAME Cooper Nuclear Station DATE Auaust 10.1995 COMPLETED BY P. L Ballinoer REPORT MONTH Jufv 1995 TELEPHONE (402)825-5295 Method Licensee Cause & Corrective -

Duration Of Event System

• Component' Action to +

No. Date Type' (Hours) Reason 3 Shutting Report Code Code Prevent Recurrence Down Reactor' None I s.

1 F: Forced 2 Reason: 3 Method: 4 Exhibit G - Instructions for S: Scheduled A - Equipment Failure (Explain) 1 - Manual Preparation of Data Entry B - Maintenance or Test 2 - Manual Scram Sheets for Licensee Event C - Refuehng 3 - Automatic Scrarm Report (LER) File (NUREG0161)

D - Regulatory Restriction 4 - Continued E - Operator Training & License Examination 5 - Reduced Load 5 Exhibit I - Same Source F - Admmistrative 6 - Other G - Operational Error (Explain)

H - Other (Explain)

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g OPERATIONS NARRATIVE COOPER NUCLEAR STATION July 1995 Cooper Nuclear Station operated most of the month at full power.

Surveillance testing and control rod adjustments occurred on July 2nd,9th, 11th,15th,23rd, & 30th. MSIVs were tested on July 9th and repair of a fan cooling unit in the steam tunnel was performed on July 11th and 12th.

Cooper attained a unit capacity factor of 97.1 percent (MDC Net) for the month of July.

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