ML20070F946

Monthly Operating Rept for June 1994 for Davis-Besse Nuclear Power Station Unit 1

ML20070F946
Person / Time
Site:	Davis Besse
Issue date:	06/30/1994
From:	Wolf G, Jeffery Wood TOLEDO EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
KB-94-1439, NUDOCS 9407190245
Download: ML20070F946 (5)

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TOLEDO

% Ei[)lEit)l%I A Centerior Energy Company EOISON PUAZA 33] MAOISON AVENUE TOLEDO. OHIO 436520001 July 14, 1994 KB-94-1439 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 1994 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 June 1994.

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

Very truly yours, x->' Jo (' e 6L John K. Vood Plant Manager Davis-Besse Nuclear Power Station CMV/dmc Enclosures ec: Mr. J. B. Martin Region III Administrator Mr. S. Stasek NRC Senior Resident Inspector Mr. R. J. Stransky, Jr.

NRC Senior Project Manager 1

i 9407190245 940630 PDR ADOCK 05000346 l R PDR s

4 AVERAGE DAILY UNIT POWER LEVEL 4

DOCKET NO. 50 -0346 UNIT Davis-Besse Unit 1 DATE July 5,1994 COMPLETED BY GERRY WOLF TELEPHONE 419-321 -8114 MONTH JUNE 1994 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) DAY (MWe-Net) 1 871 17 854 2 874 18 855 3 874 19 857 4 872 20 858 5 868 21 855 6 860 22 864 ,

1 7 868 23 863 8 873 24 860 9 873 25 866 10 869 26 864 11 867 27 866 12 861 28 862  ;

13 864 29 863 14 861 30 865 15 855 16 856 u -s

4 OPERATING DATAREPORT DOCKET NO 50 -0346 DATE 7-5-94 COMPLETEDBY GERRYWOLF TELEPHONE 419 -321 - 8114 OPERATING STATUS

1. Unit Name: Davis-Besse Unit 1

2. Reporting Period JUNE 1994 Notes

3. Ucensed Thermal Power (MWt) 2772

4. Namep_ late Rating (Gross MWe) 925

5. Design ElectricalRating (Net MWe) 906

6. Maximum DependableCapacity (Gross MWe) 913

7. Maximum DependableCapacity (Net MWe) 868

8. If Changes Occurin CapacityRatings (ltems number 3 through 7) since last report, give reasons:

9. Power LevelTo Which Restricted,if Any_(Net MWe):

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

l This Month Yr-to-Date Cumulative l

11. Hours in Reporting Period 720.00 4343.00 139536.00

12. Number Of Hours Reactor Was Critical 720.00 4343.00 86583.45

13. Reactor Reserve Shutdown Hours 0.00 0.00 5532.00

14. Hours Generator On-Line 720.00 4343.00 84366.73

15. Unit Reserve Shutdown Hours 0.00 0.00 1732.50

16. Gross Thermal Energy Generated (MWH) 1,994,509 12,012,961 217,784,730

17. Gross Electrical Energy Generated (MWH) 654,301 3,980,597 70,320,618

18. Net Electrical Energy Generated (MWH) 622,008 3,785,430 66,311,800 j

19. Unit Service Factor 100.00 100.00 60.46

20. Unit Availability Factor 100.00 100.00 61.70

21. Unit Capacity Factor (Using MDC Net) 99.53 100.42 54.75

22. Unit Capacity Factor (Using DER Net) 95.35 96.20 52.45

23. Unit Forced Outage Rate 0.00 0.00 20.46

24. ShutdownsScheduledOver Next 6 Months (Type, Date, and Duration of Each):

Scheduled maintenance and refueling outage - October 1,1994.

Planned duration - 54 days.

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 COMMERCIALOPERATION

4 UNIT SHUTD0VNS AND POVER REDUCTIONS- DOCKET No.: 50-346 ,

. UNIT NAME: Davis-Besse il DATE: Julv 6. 1994

. Completed by: G. M. Wolf 1 Report Month June, 1994 Telephone: (419)3211-8114 4

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P: Forced Reason: Method: . Exhibit 0 - Instructions for Preparation of Data S: Scheduled A-Equipment railure (Explain) 1-Manual Entry sheets for Licensee Event Report (IIR)

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

C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continuation f rom -

E-operator Training & License Examinatica Previous Month '

Exhibit 2 - Same Source F-Administrative 5-toad Reduction ' Report challenges to Power Operated Relief Valves G-operational Errer (Explain) 9-Other (Emplain) (PORVs) and Pressuriser Code Safety valves (PCSve)

W er (Explain) #

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OPERATIONAL

SUMMARY

June 1994

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Reactor power was maintained at approximately 100 percent full power until 2346 hours0.0272 days <br />0.652 hours <br />0.00388 weeks <br />8.92653e-4 months <br /> on June 11,1994, when a manual power reduction to approximately 90 percent power <

was initiated to perform main turbme control valve testmg, main turbine combined '

I intermediate valve testing, and control rod exercising. ATter the completion of the main turbine valve testing and control rod exercising at 0137 hours0.00159 days <br />0.0381 hours <br />2.265212e-4 weeks <br />5.21285e-5 months <br />, reactor power was gradually increased to a 0243 hours0.00281 days <br />0.0675 hours <br />4.017857e-4 weeks <br />9.24615e-5 months <br /> on June 121994.pproximately 100 percent Reactor power full power, was mamtained which at this waslevel power achieved for theat remainder of the month.

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