ML20081D899

Monthly Operating Rept for Feb 1995 for Davis-Besse Nuclear Power Station

ML20081D899
Person / Time
Site:	Davis Besse
Issue date:	02/28/1995
From:	Wolf D, Jeffery Wood TOLEDO EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
KB-95-0054, KB-95-54, NUDOCS 9503210063
Download: ML20081D899 (5)

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TOLEDO EDISON A Centerior Energy company EDO O 1

March 14, 1995 KB-95-0054 Docket No. 50-346 k

License No. NPF-3 U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C.

20555 Gentlemen:

Monthly Operating Report, February, 1995 Davis-Besse Nuclear Power Station Unit 1 Enclosed are ten copies of the Monthly Operating Report for Davis-Besse Nuclear. Power Station Unit No. 1 for the month of February, 1995.

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

Very trt:ly yours,

& hd u.

John K. Vood Plant Manager Davis-Besse Nuclear Power Station GMW/dmc Enclosures cc:

L. L. Gundrum NRC Project Manager J. B. Martin Region III Administrator S. Stasek NRC Senior Resident Inspector, Stop 4030 9503210063 950228 PDR ADOCK 05000346

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AVERAGE DAILY UNIT POWER LEVEL 4

DOCKET NO. '50-0346 UNIT Davis-Besse Unit 1 DATE 01 - 95 COMPLETED BY GERALD WOLF TELEPHONE 419 - 321 - 8114 MONTH FEBRUARY 1995 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net)

DAY (MWe-Net) 1 889 15 887 2

887 16 889 3

890 17 890 4

889 18 889 5

890 19 888 6

889 20 888 7

889 21 888 8

888 22 888 9

889 23 888 10 888 24 890 11 890 25 888 12 889 26 872 13 889 27 889 14 890 28 889

4 OPEP,ATING DATA REPORT DOCKET NO. 50-0346 DATE March 2,1995 COMPLETED BY Gerald Wolf TELEPHONE 419 - 321 - 8114-OPERATING STATUS

1. Unit Name: Davis-Besse Unit 1

2. Reporting Period FEBRUARY 1995 Notes

3. Ucensed Thermal Power (MWt) 2772

4. Nameplate Rating (Gross MWe) 925

5. Design Electrical Rating (Net MWe) 906

6. Maximum Dependable Capacity (Gross MWe) 913

7. Maximum Dependable Capacity (Net MWe) 868 5 IfChanges Occur in Capacty Ratings (items number ? c ough 7) since last report, give reasons:

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 Report N Nriod 672.00 1,416.00 145,369.00

12. Number Of Hours R'6 actor Was Cntical 672.00 1,416.00 91,361,77

13. Reactor Reserve Shutdown Hours 0.00 0.00 5,532.00

14. Hours Generator On-Une 672.00 1,416.00 89,106.90

15. Unit Reserve Shutdown Hours 0.00 0.00 1,732.50

16. Gross Thermal Energy Generated (MWH) 1,860,438 3,920,145 230,016,218 H. nross Electrical Energy Generated (MWH) 627,131 1,319,219 74,390,707

18., set Electrical Energy Generated (MWH) 596,841 1,255,421 70,166,790

19. Unitllervice Factor 100.00 100.00 61.30

20. Unit Availability Factor 100.00 100.00 62.M

21. Unit Capacity Factor (Using MDC Net) 102.32 102.14 55.61

22. Unit Capacity Factor (Using DER Net) 98.03 97.86 53.28

23. Unit Forced Outage Rate 0.00 0.00 19.58 243hutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

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

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

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'4.3 UNIT' SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.:

50-346 ~

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UNIT NAAE: - Davis-Besse #1 DATE:.

March 2.1995 Completed by:

G. M. Wolf Report Month February 1995 Telephone:

.(419)321-1114 _,

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Cause & Corrective l

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Action to g1 No.

Date p-g 3g9 P y" gu eu d

Prevent Recurrence

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No Significant Shutdowns or -

Power Reductions 4

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2 3'

4 F: Forced Reason:

Method:

Exhibit G -Instructions for Preparation of Data S: Scheduled A-Equipment Failure (Explain) 1-Manual Entry Sheets for Licensee Event Report (LER).

B-Maintenance or Test 2 o.,ual Scram

_ File (NUREG-0161)

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

5-i E-Operator Training & License Examination Previous Month Exhibit 1 - Same Source -

F-Administrative 5-Load Reduction

_ Report challanges to Power Operated Relief Valves G-Operational Ermr(Explain)

9-Other (Explain)

(PORVs and Pressurizer Code Safety Valves (PCSVs) '

H-Other (Explain)

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OPERATIONAL

SUMMARY

February 1995 l

Reactor. power was maintained at approximately 100 ' percent full power l

until 2338 hours0.0271 days <br />0.649 hours <br />0.00387 weeks <br />8.89609e-4 months <br /> on February 25,1995,.when a manual power redu'ction was-1 initiated to perform stop valve testing, control' valve testing, and control rod.

drive exercising. Power was' manually reduced to approximately 95 percent full power by 0016 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br /> on February 25,1995, and control valve testing was performed. Reactor power was then reduced to approximately 85 '

percent full power, which was attained at 0211 hours0.00244 days <br />0.0586 hours <br />3.488757e-4 weeks <br />8.02855e-5 months <br />.. At this point stop valve testing and control rod drive exercising was performed. Reactor power was reduced to approximately 82 percent as a result of control rod drive exercising. ' At 0305 hours0.00353 days <br />0.0847 hours <br />5.042989e-4 weeks <br />1.160525e-4 months <br />, reactor power was gradually increased to :

approximately 100 percent full power, which was achieved at 0520 hours0.00602 days <br />0.144 hours <br />8.597884e-4 weeks <br />1.9786e-4 months <br />.

Reactor power was' maintained at approximately 100 percent full power for.

the rest of the month, i

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