ML20086K020

Monthly Operating Rept for June 1995 for Davis-Besse Nuclear Power Station Unit 1

ML20086K020
Person / Time
Site:	Davis Besse
Issue date:	06/30/1995
From:	Wolf G, Jeffery Wood TOLEDO EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
KB-95-0119, KB-95-119, NUDOCS 9507190333
Download: ML20086K020 (5)

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TOLEDO EDISON EDISCN PLAZA 300 MADISON AVENUE TOLEDO. OHIO 43652-0001 July 14, 1995 KB-95-0119 Docket No. 50-346 License No. NPF-3 U.S. Nuclear Regulatory Commission '

Document Control Desk Vashington, D.C. 20555 Gentlemen:

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

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

g truly yours, J in K. Vood Plant Manager Davis-Besse Nuclear Power Station GMV/dmc ,

Enclosures cc: L. L. Gundrum NRC Project Manager J. B. Martin Region III Administrator S. Stasek NRC Senior Resident Inspector, Stop 4030 l

200001 9507190333 950630 PDR ADOCK 05000346 ggy PDR

,. AVERAGE DAILY. UNIT POWER LEVEL

, DOCKET NO. 50-0346 UNIT Davis-Besse Unit 1 DATE July 5,1995 COMPLETED BY Gerald M. Wolf TELEPHONE 419/321-8114 MONTH June,1995 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) DAY (MWe-Net) 1 881 16 878 2 877 17 874 3 _

878 _

18 _

873 4 ._

879 19 869 5 879 _

20 869 i

6 _

875 21 873 j i

7 871 22 875 f

8 882 _

23 873 9 _

882 24 873 l

10 873 _

25 873 1 11 866 26 872 12 881 27 873 13 880 28 871 14 877 29 _

873 j j

15 879 30 872 .

I i

i-

',. OPERATING DATA REPORT q DOCKET NO 50-0346 DATE _ July 5,1995 COMPLETED BY Gerald M. Wolf TELEPHONE 419/321-8114 OPERATING STATUS

1. Unit Name: Davis-Besse Unit 1 Notes 2._ Reporting Period _

June,1995

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} 913

7. Maximum Dependable Capacity (Not MWe) 868

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

1 This Month Yr-to-Date Cumulative

11. Hours In Reporting Period .

720.00 4,343.00 148,296.00

12. Number Of Hours Reactor Was Critical 720.00 ' 4,343.00 94,288.77

13. Reactor Reserve Shutdown Hours 0.00 0.00 5,532.00

14. Hours Generator On-Line 720.00 4,343.00 92,033.90

15. Unit Reserve Shutdown Hours 0.00 0.00 1,732.50

16. Gross Thermal Energy Generated (MWH) 1,993,844 11,937,274 238,033,347

17. Gross Electrical Energy Generated (MWH) 662,112 4,001,304 77,072,793

18. Net Electrical Energy Generated (MWH) 629,968 3,807,061 72,718,429

19. Unit Service Factor 100.00 100.00 62.06

20. Unit Availability Factor 100.00 100.00 63.23

21. Unit Capacity Factor (Using MDC Net) 100.80 100.99 56.49

22. Unit Capacity Factor (Using DER Net) 96.57 96.75 54.12

23. Unit Forced Outage Rate 0.00 0.00 19.08 4 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

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

4

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

Forecast Achieved f

i INITIAL CRITICALITY 1

INITIAL ELECTRICITY COMMERCIAL OPERATION i

7

\

OPERATIONAL

SUMMARY

l June 1995 Reactor power was maintained at approximately 100 percent full power until 0258 hours0.00299 days <br />0.0717 hours <br />4.265873e-4 weeks <br />9.8169e-5 months <br /> on June 11,1995, when a manual power reduction was initiated to perform control valve testing and control rod drive exercising.

Power was manually reduced to approximately 90 percent full power by 0400 hours0.00463 days <br />0.111 hours <br />6.613757e-4 weeks <br />1.522e-4 months <br /> on June 11, and the control valve testing and control rod drive exercising was performed. At the completion of control valve testing and control rod drive exercising at 0545 hours0.00631 days <br />0.151 hours <br />9.011243e-4 weeks <br />2.073725e-4 months <br />, reactor power was maintained at approximately 92 percent full power at the request of the load dispatcher.

At 0745 hours0.00862 days <br />0.207 hours <br />0.00123 weeks <br />2.834725e-4 months <br />, reactor power was gradually increased to approximately 100 percent full power, which was achieved at 1006 hours0.0116 days <br />0.279 hours <br />0.00166 weeks <br />3.82783e-4 months <br />. Reactor power was maintained at approximately 100 percent full power for the rest of the month.

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

UNIT NAME: Davis-Besse #1 -

DATE: Julv 5.1995 Completed by: G. M. Wolf Report Month June 1995 Telephone: (419) 321-8114 5 'i c

gy Licensee E *o g Cause & Corrective o

R 's y y 7.Eg ey

.= Event y1 e 1 *j Action to No. Date o tc c x0 E--

CMO M 2mg Report # m E o Prevent Recurrence o

I No Significant Shutdowns or Power Reductions 1 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-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 5-Load Reduction

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

II-Other (Explain)

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