ML20112E606

Monthly Operating Rept for Mar 1996 for David-Besse Nuclear Power Station,Unit 1

ML20112E606
Person / Time
Site:	Davis Besse
Issue date:	03/31/1996
From:	Wolf G, Jeffery Wood TOLEDO EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
KB-96-0105, KB-96-105, NUDOCS 9606070006
Download: ML20112E606 (5)

Text

.

l TOLEDO

%ms EDISON .

l A Centerior Energy Company l EDISON PLAZA 300 MADISON AVENUE TOLEDO OHIO 436520001 l

April 15, 1995 ,-

I l KB-96-0105 Docket No. 50-346 l License No. NPF-3 l

t l

U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555 Gentlemen:

Monthly Operating Report, March 1996 Davis-Besse Nuclear Power Station Unit 1 Enclosed is a copy of the Monthly Operating Report for Davis-Besse Nuclear Power Station Unit No. 1 for the month of March 1996.

If you have any questions, please contact G. M. Wolf at (419) 321-8114.

Very truly yours, K Ld an John K. Wood Plant Manager Davis-Besse Nuclear Power Station GMW/dmc Enclosures .

cc: L. L. Gundrum NRC Project Manager l

H. J. Miller Region III Administrator l S. Stasek NRC Senior Resident Inspector, Stop 4030 l

l 060059 9606070006 960415 PDR ADOCK 05000346 R PUR

AVERAGE DAILY UNIT POWER LEVEL '

DOCKET NO. 50-0346 UNIT Davis-Besse Unit 1 DATE April 1,1996 COMPLETED BY Gerald M. Wolf TELEPHONE 419/321-8114 MONTH March,1996 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) DAY (MWe-Net) 1 881 17 854 2 881 18 845 3 882 19 836 4 882 20 831 l 5 880 21 820 6 876 22 820 I 7 880 23 806 1

8 880 24 797 9 880 25 786 10 880 26 778 l 11 879 27 765 -

12 878 28 767 13 877 29 750 14 863 30' 746 15 877 31 735 16 858

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-346 .

UNITNAME: Davis-Besse #1 DATE: April 1.1996 Completed by: G. M. Wolf Report Month March 1996 Telephone: (419) 321-8114 g ,s Licensee g Cause & Corrective

-$ g Event hi Eo k"j Action to 2ogg No. Date H B m Ei O fv@

• Report #

ej Prevent Recurrence No Significant Shutdowns or Power Reductions

'F: Forced Reason: Method: Exhibit G - Instructions for Preparation of Date S: Scheduled A-Equipment Failure (Explain) 1-Manual Entry Sheets for Licensee Event Report (LER)

B-Maintenance or Test 2-Manual Scram File (NUREG-0161)

C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continuation from 5

E-Operator Training & License Examination Previous Month Exhibit I- Same Source F-Administrative' S-Load Reduction

• Report challanges to Power Operated Relief Valves G-Operational Error (Explain) 9-Other(Explain) (PORVs) and Pressurizer Code Safety Valves (PCSVs)

H-Other (Explain)

OPERATING DATA REPORT DOCKET NO 50-0346 DATE _ April 1,1996 '

COMPLETED BY Gerald M. Wolf TELEPHONE 419/321-8114 OPERATING STATUS

1. Unit Name: Davis-Besse Unit 1 Notes

2. Reporting Period March,1996

3. Licensed Thermal Power (MWt) 2772

4. Nameplate Rating (Gross MWe) 925

5. Design Electrical Rating (Net MWe) 906

6. Maximum Dependable Capacity (Gross MWe) 915 I

7. Maximum Dependable Capacity (Net MWe) 871 l

8. If Changes Occur in Capacity Ratings I

(items number 3 through 7) since last report, give reasons: '

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

10. Reasons For Restrictions, if Any (Net MWe):

This Month Yr-to-Date Cumulative

11. Hours in Reporting Period 744.00 2,184.00 154,897.00

12. Number Of Hours Reactor Was critical 744.00 2,184.00 100,889.77

13. Reactor Reserve Shutdown Hours 0.00 0.00 5,532.00

14. Hours Generator On-Line 744.00 2,184.00 98,634.90

15. Unit Reserve Shutdown Hours 0.00 0.00 1,732.50

16. Gross Thermal Energy Generated (MWH) 1,958,584 5,946,938 256,184,846

17. Gross Electrical Energy Generated (MWH) - 656,885 1,992,760 83,126,862

18. Net Electrical Energy Generated (MWH) 623,269 1,894,028 78,475,968

19. Unit Service Factor 100.00 100.00 63.68

20. Unit Availability Factor 100.00 100.00 64.80 l

21. Ur'it Capacity Factor (Using MDC Net) 96.18 99.57 58.17 l

22. Unit Capacity Factor (Using DER Net) 92.46 95.72 55.92

23. Unit Forced Outage Rate 0.00 0.00 18.03 l

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

Scheduled maintenance and refueling outage - April 8,1996. Planned duration - 39 days.

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25. If Shut Down At End Of Report Period, Estimated Date of Startup:

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

Forecast Achieved 1

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

4 OPERATIONAL

SUMMARY

l March 1996 I l

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Reactor power was maintained at approximately 100 percent full power until 1751 hours0.0203 days <br />0.486 hours <br />0.0029 weeks <br />6.662555e-4 months <br /> on March 7,1996, when the Reactor Coolant System (RCS) average temperature reduction was initiated. RCS average ,

l temperature was gradually reduced approximately one degree per day to '

l maintain the desired Control Rod Drive index, starting at 582 degrees l l Fahrenheit and ending at 576 degrees Fahrenheit on March 15 at 0021 hours2.430556e-4 days <br />0.00583 hours <br />3.472222e-5 weeks <br />7.9905e-6 months <br />. Throughout the RCS average temperature reduction Reactor power was maintained at approximately 100 percent full power. At 2259 hours0.0261 days <br />0.628 hours <br />0.00374 weeks <br />8.595495e-4 months <br /> on

! March 15 the end of cycle full power life was reached. Reactor power was l manually reduced approximately one percent per day to maintain the l desired Control Rod Drive index, reaching approximately 83 percent full l power by the end of the month.

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