ML20093J234

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

ML20093J234
Person / Time
Site:	Davis Besse
Issue date:	09/30/1995
From:	Wolf G, Jeffery Wood TOLEDO EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
KB95-0176, KB95-176, NUDOCS 9510230162
Download: ML20093J234 (6)

Text

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TOLEDO EDISDN A Centenor f acegy Compacy October 13, 1995

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$$.Ecoo 1 KB95-0176 Docket No. 50-346 License No. NPF-3 U. S. Nuclear Regulatory. Commission Document Control Desk Vashington, D.C.

20555 Gentlemen:

Monthly Operating Report, September, 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 I for the month of September, 1995.

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

Vpry uly yours, b

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Jo K. Wood P ant Manager Davis-Desse Nuclear Power Station GMV/nig Enclosures cc:

L. L. Gundrum NRC Project Manager H. J. Miller Region III Administrator S. Stasek NRC Senior Resident Inspector, Stop 4030 20C037 9510230162 950930 Mh PDR ADOCK 05000346 lD R

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October 13, 1995 Docket No. 50-346 License No. NPP-3 U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C.

20555 Gentlemen:

Monthly Operating Report, September, 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 September, 1995.

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

V,e uly yours, f627/

Jo K. Vood P ant Manager Davis-Besse Nuclear Power Station GMV/nig Enclosures cc:

L. L. Gundrum NRC Project Manager H. J. Miller Region III Administrator S. Stasek NRC Senior Resident Inspector, Stop 4030

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-0346 UNIT Davis-Besse Unit 1 DATE Oct. 2,1995 COMPLETED BY Gerald M. Wolf TELEPHONE 419/321 8114 MONTH September,1995 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net)

DAY (MWe-Net) 1 876 16 876 2

877 17 879 3

873 18 882 4

875 19 881 5

873 20 879 6

872 21 880 7

875 22 883 8

878 23 884 9

880 24 883 10 881 25 882 11 881 26 882 12 874 27 879 13 870 28 879 14 876 29 877 15 880 30 876 f

1 OPERATING DATA REPORT DOCKET NO 50-0346

~Oci.~271T95 DATE COMPLETED BY Gerald M. Wolf

~

TELEPHONE 419/321-8114 OPERATING STATUS

1. Unit Name: Davis-Besse Unit 1 Notes

2. Reporting Period __

Sept.,1995 LLicensed Thermal Power (M_Wjt 2772

4. Nameplate Rating (Gross MWe) 925

5. D_e_ sign Electrical Rating.(Net MWe}

906

6. Maximum Dep_endable Capacity _(Gross M_We) 915

-7._ Maximum Dependabl.e Capacity _(Net MWe) 871

.8. If Changes Occurin Cap _acity Ratings (Items number 3 through 7) since last report, give reasons:

It_ ems 6 and 7 changed as a

_. result of the_ performance of an eight-hour maximum dependable capacity test.

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 720.00 6,551.00 150,504.00

12. Number Of Hours Reactor Was Critical 720.00 6,551.00 96,496.77 3

13. Reactor Reserve Shutdown Hours 0.00 0.00 5,532.00

14. Hours Generator On-Line 720.00 6,551.00 94,241.90

15. Unit Reserve Shutdown Hours 0.00 0.00 1,732.50

16. Gross Thermal Energy Generated (MWH) 1,994,509 18,047,871 244,143,944

17. Gross Electrical Energy Generated (MWH) 664,311 6,025,489 79,096,977

18. Net Electrical Energy Generated (MWH) 632,210 5,732,674 74,644,042

19. Unit Service Factor 100.00 100.00 62.62

20. Unit Availability Factor 100.00 100.00 63.77

21. Unit Capacity Factor (Using MDC Net) 100.81 100.47 56.94

22. Unit Capacity Factor (Using DER Net) 96.92 96.59 54.74

23. Unit Forced Outage Rate 0.00 0.00 18.72

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:

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

UNIT SHUTDOWNS AND POWER REDUCTIONS.

DOCKETNO.:

50-346 e.

UNITNAME: Davis-Besse #1 '

DATE:

October 2.1995..

Completed by:

G. M. Wolf' Report Month September 1995 Telephone:.

(419) 321-8114--

m gy Licensee Cause & Corrective y

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Event Action to No.

Date F-og c

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2 Report #

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Prevent Recurrence 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) _

H-Other(Explain)

4 OPERATIONAL

SUMMARY

4 September 1995 t

Reactor power was maintained at approximately 100 percent full power

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until 0003 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> on September 3,1995, when a manual power reduction was initiated to perform control valve testing. Reactor power was manually reduced to approximately 92 percent full power by 0040 hours4.62963e-4 days <br />0.0111 hours <br />6.613757e-5 weeks <br />1.522e-5 months <br />, and control valve testing was conducted. At the completion of testing at 0134 hours0.00155 days <br />0.0372 hours <br />2.215608e-4 weeks <br />5.0987e-5 months <br />, power was gradually increased to approximately 100 percent full power, which was achieved at 0224 hours0.00259 days <br />0.0622 hours <br />3.703704e-4 weeks <br />8.5232e-5 months <br />. Reactor power was maintained at approximately 100 percent full power for the rest of the month.

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