ML20141B952

Monthly Operating Rept for Apr 1997 for Davis-Beese Nuclear Power Station Unit 1

ML20141B952
Person / Time
Site:	Davis Besse
Issue date:	04/30/1997
From:	Lash J, Matranga E TOLEDO EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
KB-97-0074, KB-97-74, NUDOCS 9705160079
Download: ML20141B952 (5)

Text

,

• TOLEDO L

. %s= EDISON A Centenor Energy Company oavis-Besse Nuchw Power State

$501 North State Route 2 l ' Oak Harbor.OH 43449 9760 l

May 13,1997 KB-97-0074 Document Control Desk U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Ladies and Gentlemen:

Monthly Operating Report, April 1997._

Davis-Besse Nuclear Power Station Unit 1 Enclosed is a copy of the Monthly Operating Report for the Davis-Besse Nuclear Power Station for the month of April 1997, if you have any questions, please contact E. C. Matranga at (419) 321-8369. j Very truly yours, O Ll Of James II. Lash Plant blanager l Davis-13csse Nuclear Power Station ECM/ljk Enclosure cc: A. B. Beach NRC RegionIII Administrator g A. G. Hansen NRC Project Manager S. Stasek NRC Senior Resident inspector 160008 ll ll ll sllllll o a e llll 9705160079 970430 PDe ADOCK 05000346 PDR;

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AVERAGE DAILY UNIT POWER LEVEL J

DOCKET NO. 50-0346 i UNIT Davis-Besse Unit 1  ;

I DATE May 5,1997 COMPLETED BY Eugene C. Matranga l 1

TELEPHONE 419/321-8369 MONTH April,1997 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL )

DAY (MWe-Net) DAY (MWe-Net) l 1 882 16 881 l 2 879 17 882 1

3 875 18 886 1 4 874 19 881 5 871 20 882 6 872 21 882 l I

7 881 22 882 1 8 883 23 881 9 883 24 879 10 883 25 879 ,

L i 11 887 26 877 l

l 12 884 27 862  !

l i 13 879 28 878 -

1 14 885 29 878 i 15 876 30 871 4

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,' .'. OPERATING DATA REPORT DOCKET NO 50-0346 l DATE May 5,1997 COMPLETED BY Euaene C. Matranaa TELEPHONE 419/321-8369 i OPERATING STATUS ,

I l 1. Unit Name: Davis-Besse Unit i Notes j

2. Reportina Period April,1997 '

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

! 8. If Chanaes Occur in Capacity Ratinas (Items number 3 through 7) since last report, give reasons: i l

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

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

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This Month Yr-to-Date Cumulative

11. Hours In Reporting Period 719.00 2,879.00 164,376.00 l

12. Number Of Hours Reactor Was Critical 719.00 2,879.00 109,074.97 l

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

14. Hours Generator On-Line 719.00 2,873.26 106,776.76

15. Unit Reserve Shutdown Hours 0.00 0.00 1,732.50 l

16. Gross Thermal Energy Generated (MWH) 1,989,719 7,927,763 278,506,608 l

17. Gross Electrical Energy Generated (MWH) 664,531 2,655,427 90,585,504

18. Net Electrical Energy Generated (MWH) 632.148 2,525,253 85,568,447

19. Unit Service Factor 100.00 99.80 64.96

20. Unit Availability Factor 100.00 99.80 66.01

21. Unit Capacity Factor (Using MDC Net) 100.71 100.47 59.63

22. Unit Capacity Factor (Using DER Net) 97.04 96.81 57.46

23. Unit Forced Outage Rate 0.00 0.20 16.89

! 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

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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 l

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- - . .. -..----- - , _ . . - ~ . . ~ = _ . _ _ . -

_ _ - ~ - ~ . . - . - .

j OPERATIONAL

SUMMARY

l April 1997 Reactor power was maintained at approximately 100 percent full power i until 2300 hours0.0266 days <br />0.639 hours <br />0.0038 weeks <br />8.7515e-4 months <br /> on April 26,1997, when a manual power reduction was initiated to perform turbine valve testing. Reactor power was reduced to  ;

approximately 92 percent full power by 2359 hours0.0273 days <br />0.655 hours <br />0.0039 weeks <br />8.975995e-4 months <br />, and control valve and stop valve testing were conducted. At the completion of testing at 0207 i hours on April 27,1997, power was maintained at approximately 93 percent per the load dispatcher's request. At 0623 power was gradually increased to  ;

i approximately 100 percent full power, which was achieved at 0732 hours0.00847 days <br />0.203 hours <br />0.00121 weeks <br />2.78526e-4 months <br />.

I Reactor power was maintained at approximately 100 percent full power for

, the remainder of the month. i 4

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6 UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50446 .'

UNIT NAME Davis-Besse #1 -

DATE May 5.1997 -

Report Month April.1997~ COMPLETED BY E. C. Matranga ,

TELEPHONE (419) 321-8369 No. Date g

53 e8 8

g j5$

Licensee Event  !'e

• e g

Action to Re # # 1g a H $E y g ijj rn O O Prevent Recurrence O

No Significant Shutdowns Or Power Reductions

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

E-Operator Training & License Examination Previous Mcmth  !

F-Administrative 5-Load Reduction 5 ,

G-Operational Error (Explain) 9-Other (Explain) Exhibit 1 - Same Source ,

H-Other (Explain)

• Report challartges to Power Operated '

Relief Valves (PORVs) and Pressurizer Code Safety Valves (PCSVs)

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