ML20134P982

Monthly Operating Rept for Oct 1996 for Davis-Besse Nuclear Power Station,Unit 1

ML20134P982
Person / Time
Site:	Davis Besse
Issue date:	10/31/1996
From:	Lash J, Matranga E TOLEDO EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
KB-96-00334, KB-96-334, NUDOCS 9612020029
Download: ML20134P982 (5)

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• j TOLEDO

%sm EDISON A Centmim Energy Canpany November 15,1996 sg g AA KB-96-00334 l Document Control Desk U. S. Nuclear Regulatory Commission i Washington, D. C. 20555 Ladies and Gentlemen:

Monthly Operating Report, October 1996 Davis-Besse Nuclear Power Station Unit 1 Enclosed is a copy of the Monthly Operating Report for Davis-Besse Nuclear Power Station Unit I for the month of October 1996.

If you have any questions, please contact E. C. Matranga at (419) 321-8369. i Very truly yours, n il N /

- lj WOQ James H. Lash l Plant Manager Davis-Besse Nuclear Power Station  !

ECM/ljk Enclosure i

1 cc: A. B. Beach ,}

NRC Region til Administrator

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l A. G. Hansen

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NRC Project Manager S. Stasek l 3

NRC Senior Resident Inspector 9612020029 961031 PDR ADOCK 05000346 i R PDR i I

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' AVERAGE DAILY UNIT POWER LEVEL I DOCKET NO. 50-0346 e c

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UNIT Davis-Besse Unit 1 3

} DATE November 2,1996 COMPLETED BY Eugene C. Matranga  !

l TELEPHONE 419/321-8369

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MONTH October,1996 ]'

' AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL i DAY (MWe-Net) DAY (MWe-Net)

! l 2 1 880 17 881 1

2 879 18 884 1'

I 3 887 19 886 1

4 4 887 20 885 j 5 886 21 885

! 6 883 22- 884 7 882 23 884 8 885 24 885 9 887 . . _ .

25 884 10 886 _

26 883 11 886 27 882 12 883 28 885 13 866 29 885 14 884 30 884 15 883 31 887 l

'16 880

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. OPERATING DATA REPORT l DOCKET NO 50-0346 DATE November 2.1996 COMPLETED BY Euaene C. Matranaa TELEPHONE 419/321-8369 OPERATING STATUS

1. Unit Name: Davis-Besse Unit 1 Notes

2. Reportina Period October,1996

3. Licensed Thermal Power (MWt) 2772

4. Nameplate Ratina (Gross MWe) 925

5. Desian Electrical Ratina (Net MWe) 906

6. Maximum Dependable Capacity (Gross MWe) 917

7. Maximum Dependable Capacity (Net MWe) 873 i

8. If Chanaes Occurin Capacity Ratinas l (Items number 3 through 7) since last report, give reasons:  ;

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

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

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This Month Yr-to-Date Cumulative

11. Hours in Reporting Period 745.00 7,320.00 160,033.00

12. Number Of Hours Reactor Was Critical 745.00 6,026.20 104,731.97

13. Reactor Reserve Shutdown Hours 0.00 0.00 5,532.00 l

14. Hours Generator On-Line 745.00 5,988.60 102,439.50

15. Unit Resene Shutdown Hours 0.00 0.00 1,732.50

16. Gross Thermal Energy Generated (MWH) 2,063,033 16,288,716 266,526,624

17. Gross Electrical Energy Generated (MWH) 691,597 5,434,035 86,568,137

18. Net Electrical Energy Generated (MWH) 658,188 5,165,252 81,747,192

19. Unit Service Factor 100.00 81.81 64.01

20. Unit Availability Factor 100.00 81.81 65.09

21. Unit Capacity Factor (Using MDC Net) 101.20 80.83 58.51

22. Unit Capacity Factor (Using DER Net) 97.51 77.88 56.38

23. Unit Forced Outage Rate 0.00 0.00 17.48

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): A 23 day shutdown is beina planned for early February to replace RCP 2-2 motor due to increasina thrust bearina temperatures.

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25. If Shut Down At End Of Report Period, Estimated Date of Startup- l i

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

Forecast Achieved  !

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

e UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50446 -

UNIT NAME Davis-Besse #1 -

DATE November 2.1996 e Report Month October.1996 - COMPLETED BY E. C. Matranga TELEPHONE (419) 321-8369 "u

8^ "e D 8' b E* E= Cause & Corrective l f$h No. Date j Action to h Re F $E y g5 u) O O Prevent Recurrence i

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No Significant Shutdowns Or Pcwer Reductions.

1 2 3 4 F: Forced Reason: Method: Exhibit G-Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File (NUREG-D-Regulatory Restriction 4-Continuation from 0161)

E-Operator Training & License Examination Previous Month F-Administrative 5-Load Reduction 5 G-Operational Error (Explain) 9-Other (Explain) Exhibit I- Same Source H-Other (Explain) .

• Report challanges to Power Operated Relief Valves (PORVs) and Pressurizer Code Safety Valves (PCSVs)

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OPERATIONAL

SUMMARY

October 1996 -

Reactor power was maintained at approximately 100 percent full power until 0003 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> on October 13,1996, when a manual power reduction was initiated to perform turbine valve testing and control rod exercising.

Reactor power was reduced to approximately 93 percent full power by 0108

- hours, and control valve testing and control rod exercising was conducted.

At the completion of testing at 0150 hours0.00174 days <br />0.0417 hours <br />2.480159e-4 weeks <br />5.7075e-5 months <br />, power was maintained at approximately 93 percent full power at the request of the load dispatcher. At 0555 hours0.00642 days <br />0.154 hours <br />9.176587e-4 weeks <br />2.111775e-4 months <br />, power was then gradually increased to approximately 100 percent full power, which was achieved at 0650 hours0.00752 days <br />0.181 hours <br />0.00107 weeks <br />2.47325e-4 months <br />.

Reactor power was maintained at approximately 100 percent full power for the remainder of the month.

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