ML20104B169

Monthly Operating Rept for Aug 1992 for DBNPS Unit 1.W/

ML20104B169
Person / Time
Site:	Davis Besse
Issue date:	08/31/1992
From:	Sarsour B, Storz L TOLEDO EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
KB92-1886, NUDOCS 9209150028
Download: ML20104B169 (5)

Text

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%m EDISON A Cemenor Ecergy Cmnrany i OlSON M A7A i

300 MADISON AVLNUE 101 E 00. OHIO 4305N1001 September 8, 1992 KB92-1886 Docket No. 50-346 License No. NPF-3 l

U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C.

20555 Gentlemen Monthly Operating Report August 1992 Davis-Besse Nuclear Power Station Unit 1 Enclosed are ten copies of the Monthly Operating Report for Davis-Desse

-Nuclear Pover Station Unit No. 1 for the month of August 1992.

If you have any questions, please contact Bilal Sarsour at (419) 321-7384.

Very-truly yours, w

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' Louis F. Storz GC Plant Manager Davis-Besse Nuclear Power Station BMS/ tid Enclosures cci Mr. A. Bert Davis Regional Administrator, Region III Mr. J. B. Hopkins NRC Senior Project Manager

-Mr. Villiam Levis NRC Senior Resident Inspector h,

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AVERAGE D AILY UNIT POWER LEVEL DOCKET NO.

50-346 Davis-Besse INIT D ATE September 8. 1992 COMPLETED BY Bilal Sarsour TELEPilONE (419)321-7384 MONUl August 1992 DAY AVERAGE D AILY POWER LEVEL DAY AVER AGE DAILY POWER LEVEL (M We-Net I (MWe Net) 877 878 3

874 875 2

IS 3

874 877 19 875 877 20 077 879 5

21 876 875 6

873 809 7

23 866 871 g

3 871 866 9

25 864 866 10 26 874 870

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jg 875 870 g

,g 877 870

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,9 877 800 y

30 874 855 15 31 16 822 INSTRUCTIONS On this format,hst the average daily unit power lesel in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

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4 OPERATING D ATA REPORT 50-346 DOCKET NO DATE September 8, 1992 COMPLETED BY IIPhl Sarsour TELEPHONE U.TO 321-/384 OPERATING STATUS Davis-Besse Unit #1 Notes

1. Unit Name:

2. Repordig Period:

August 1992 2772

3. Licensed Thermal Power (MWt):

925

4. Nameplate Rating (Gross hlwe,.

906

5. Design Electrical Rating (Net MWe):

921

6. Maximum Dependable Capacity (Gross MWe):

877

7. Maximurt Dependable Capacity (Net MWe):

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

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

10. Reasons For Restrictions,if Any; This Month Yr..to-Date Cumulative 744.0 5,855.0 123,504 11, Hours in Reporting Period

12. Number Of Hours Reactor Was Critical 744.0 5,830.2 72,006 0.0 24.8 5,532.0

13. Reactor Reserse Shutdown Hours

14. Hours Generator on-Line 744.0 5,813.3 69,846.4 0.0 0.0 1,732.5

15. Unit Re:erve Shutdown Hours

16. Gross Therrr al Energy Generated (MbH) 2,046,461 15,984,682 172,593,975 678,321 5,339,402 57,232,779 17 Gross Electrical Energy Generated (MWH) 645,416 5,079,970 53,872,458 18.- Net Electrical Energy Generated (MWH) 100.0 99.3 56.6

19. Unit Service Factor 100.0 99.3 58.0

20. Unit Availability Factor

21. Unit Capacity Factor (Using MDC Net) 98.9 98.9 49.7 95.7-95.8 48.I

22. Unit Capacity Factor (Using DER Net) 0.0 0.71 23.7

23. Unit Forced Outage Rate

24. Shutdowns Scheduled Over Next 6 Months (1ype. Date,and Duration of Each):

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

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

Forecast Achiesed INITIA L CRITICALITY INITI AL ELECTRICITY COMMERCIAL OPER ATION I

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UNIT SIETDoWNS M7D FDWER FIDtKTIorG 50-346 oemr re.

UNIT NAME Davis-Besse 91 oATz September 8, 1992 CQ 91ETED BY Silal Sarsour REroRT Mcenn August 1992 retz - gl,, 321-73s4 g.

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v No significant shptdowns

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Method:

Exhibit G - Instructions for Preparation of Data 5: Scheduled A-Equipment Failure (Explain) 1--Manual Entry Sheets for Licensee Event Report (LER)

B-Nintentence or Test 2-Manual Scram File (NUPEG-0161)

C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continuation from E-Operator Training s License Examination Previous Nnth Exhibit I - Same source T-Administrative 5-Ioad Reduction

• Report challenges to Power Operated Relief Valves G-operational Error (Explain) 9-Other (Explain)

(PORVs) and Pressurizer Code Safety valves (PCSVs)

H-Other (Explain)

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Operational Summary August 1992 Reactor power was maintained at approximately 100 percent full power until 2400 hours0.0278 days <br />0.667 hours <br />0.00397 weeks <br />9.132e-4 months <br /> on August 15, 1992, when a manual power reduction to approximately 83 percent was initiated to perform turbine valve testing and control rod drive (CRD) exercise testing.

After completion of turbine valve testing and CRD exercise testing, reactor power was maintained at 83 percent of full power due to lov system demand as requested by the Systems Operation Center.

At 0817 hours0.00946 days <br />0.227 hours <br />0.00135 weeks <br />3.108685e-4 months <br /> on August 16, 1992, reactor power was slowly increased to approximately 100 percent, which was achieved at 0941 hours0.0109 days <br />0.261 hours <br />0.00156 weeks <br />3.580505e-4 months <br /> on August 16, 1992.

Reactor power was maintained at approximately 100 percent full power until 0122 hours0.00141 days <br />0.0339 hours <br />2.017196e-4 weeks <br />4.6421e-5 months <br /> on August 23, 1992, when a manual power reduction ta approximately 92 percent was initiated due to lov system demand as requested by the Systems Operation Center.

At 0835 hours0.00966 days <br />0.232 hours <br />0.00138 weeks <br />3.177175e-4 months <br /> on August 23, 1992, reactor power was slowly increased to approximately 100 percent full power, which was achieved at 0955 hours0.0111 days <br />0.265 hours <br />0.00158 weeks <br />3.633775e-4 months <br /> on August 23, 1992.

Reactor power was maintained at approximately 100 percent until 2325 hours0.0269 days <br />0.646 hours <br />0.00384 weeks <br />8.846625e-4 months <br /> on August 28, 1992, when a manual power reduction to approximately 94 percent was initiated due to High Pres.'ure Feedvater Heater 2-6 level controller LC361B problems.

At 0015 hours1.736111e-4 days <br />0.00417 hours <br />2.480159e-5 weeks <br />5.7075e-6 months <br /> on August 29, 1992, reactor power was slowly increased to approximately 100 petcent full power, which was achieved at 0305 hours0.00353 days <br />0.0847 hours <br />5.042989e-4 weeks <br />1.160525e-4 months <br /> on August 29, 1992.

Reactor power was-maintained at approximately 100 percent until 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br /> on August' 29, 1992, when a manual pover reduction to approximately 91 percent was initiated due to lov system demand as requested by the Systems Operation Center.

At 0530 hours0.00613 days <br />0.147 hours <br />8.763227e-4 weeks <br />2.01665e-4 months <br /> on August 31, 1992, reactor power was slowly increased to approximately 100 percent full power, which was achieved at 0610 honrs on August 31, 1992, and maintained at this power level for the rest of the month.

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