ML20128Q061

Monthly Operating Rept for Sept 1996 for Davis-Besse NPP, Unit 1

ML20128Q061
Person / Time
Site:	Davis Besse
Issue date:	09/30/1996
From:	Lash J, Matranga E TOLEDO EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
KB-96-0312, KB-96-312, NUDOCS 9610180210
Download: ML20128Q061 (5)

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T-15,96 08:12 FROM:03 PLfe4T Et*3 419-249-2340 TO:3014153861 PAGE:02

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l TOLEDO EDISON A Cenlever Energy company EDISON PLAZA

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October 15,1996 KB-96-0312 l

Docket No. 50-346 License No. NPF-3 IT S. Nucicar Rt.gulatuiy Coinmission Document Control Desk l l

Washington, DC 20555 Ladies and Gentlemen: i Monthly Operating Report, September 1996 Davis-Besse Nuclear Power Station Unit 1 Enclosed is a copy of the Monthly Operating Report for Davis-Besse Nuclear Power Station Unit I for the month of September 1996.

If you have any questions, please contact E. C. Matranga at 419-321-8369.

Very tmly yours, M l r~/'

ames H. Lash Plant Manager Davis-Besse Nuclear Power Statwn j l

ECM/ljk cc: A. B. Beach NRC Region 111 Administrator A. G. Hansen NRC Project Manager

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S. Stasek NRC Senior Resident Inspector, DB-4030 9610180210 961015 PDR ADOCK 05000346 R PDR

OCT-15,96 08:12 FROM:DB PLANT ENG 419-249-2340 TO:3014153861 PAGE:03

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-0346 UNIT Davis-Besse Unit 1 DATE October 1,1996 COMPLETED BY Eugene C. Matranga TELEPHONE 419/321-8369-i MONTH September,1996 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) DAY (MWe-Net) 1 876 16 883 2 856 17 881 3 876 18 881 4 876 19 883 5 875 20 883 6 870 21 882 7 874 22 881 8 876 23 883 9 875 24 882 10 878 25 885 11 876 26 883 12 __

881 27 878 13 884 28 885 14 885 29 _ _ _

884 15 848 30 883 me.,r- --e - - -

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ocT-15 % 08:12 FROM DB PLANT ENG 419-249-2340 TO 3014153861 PAGE:04 OPERATING DATA REPORT s

i DOCKET NO 50-0346

DATE October 1.1996

COMPLETED BY Euoene C. Matranaa TELEPHONE _419/321-8369 -

OPERATING STATUS 4

Notes 1..U. nit Name: Davis Besse Unit i -

g,2. Reoortina Period September,1996

3. Jcensec Thermal Power (MWt) --2772 4

4. 4ameola e Ratina (Gross MWei 925

! 5. Jesian Eectrcal Ratina (Net MWel 906

}' 6. Waximym Jeoenda>e Canacity(Gross MWe) 917

7. Maximum Seoendable Capacity (het MWe) 873

8. ' Chances Occur in Canacity Ratinas (Items number 3 through 7) since last repcrt, 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 Reporting Period 720.00 6,575.00 159,288.00

12. Number Of Hours Reactor Was Critical i ~0.00 5,281.20 103,986.97

13. Reactor Reserve Shutdown Hours 0.00' O.00 5,532.00

14. Hours Generator On Line 720.00 5,435.60 101,886.50

15. Unit Reserve Shutdown Hours 0.00 0.00 1,732.50

16. Gross Thermal Energy Generated (MWH) 1,989.852 14,225,682 264,463,591

17. Gross Electrical Energy Generated (MWH) 664,485 4,742,438 85,876,540

18. Net Electrical Energy Generated (MWH) 632,204 4,507,064 81,089,004

19. Unit Service Factor 100.00 82.67' 63.96

20. Unit Availability Factor 100.00 82.67 65.05

21. Unit Capacity Factor (Using MDC Net) 100.58 78.52 58.31

22. Unit Capacity Factor (Using DER Net) 96.92 75.66 56.19 )

23. Unit Forced Outage Rate 0.00 0.00 17.56

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: l

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION l

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ocT-15 96 08:13 FROM:DB PLANT EF)3 419-249-2340 TO:3014153861 PAGE:06 OPERATIONAL

SUMMARY

September 1996

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Reactor power was maintained at approximately 100 percent full power 3

until 0230 hours0.00266 days <br />0.0639 hours <br />3.80291e-4 weeks <br />8.7515e-5 months <br /> on September 2,1996, when a manual power reduction was initiated at the request of the load dispatcher Reactor power was reduced to approximately 90 percent full power by 0330 hours0.00382 days <br />0.0917 hours <br />5.456349e-4 weeks <br />1.25565e-4 months <br />. At 0800 hours0.00926 days <br />0.222 hours <br />0.00132 weeks <br />3.044e-4 months <br />, power was then gradually increased to approximately 100 percent full power, which was achieved at 0911 hours0.0105 days <br />0.253 hours <br />0.00151 weeks <br />3.466355e-4 months <br />.

Reactor power was maintained at approximately 100 percent full power until 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> on September 15,1996, when a manual power reduction was again initiated to perform turbine valve testing and control rod i exercising. Reactor power was reduced to approximately 93 percent full power by 0110 hours0.00127 days <br />0.0306 hours <br />1.818783e-4 weeks <br />4.1855e-5 months <br />, and control valve testing and control rod exercising was conducted. At the completion of testing at 0204 hours0.00236 days <br />0.0567 hours <br />3.373016e-4 weeks <br />7.7622e-5 months <br />, power was i further reduced to approximately 90 percent full power at the request of the load dispatcher. At 1000 hours0.0116 days <br />0.278 hours <br />0.00165 weeks <br />3.805e-4 months <br />, power was then gradually Wereased to

approximately 100 percent full power, which was achieved at 1127 hours0.013 days <br />0.313 hours <br />0.00186 weeks <br />4.288235e-4 months <br />.

Reactor power was maintained at approximately 100 percent full power for the remainder of the month.

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