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Monthly Operating Rept for Apr 1993 for Davis-Besse Nuclear Power Station Unit 1
	ML20036B205
Person / Time
Site:	Davis Besse
Issue date:	04/30/1993
From:	Sarsour B; TOLEDO EDISON CO.
To:	;
Shared Package
ML20036B201	List: ML20036B200; ML20036B205; ML20036B210;
References
	NUDOCS 9305180297
	Download: ML20036B205 (4)
	v • d • e

.

AVERAGE D AILY UNIT POWER LEVEL DOCKET NO.

50-346 l

Davis-Besse #1 LNIT DATE May 12, 1993 COMPLETED BY Bilal Sarsour TELEPHONE

~

i April 1993 MONTil DAY AVER AGE D AILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL i-tMke-NeO 4 ywe.Neo I

O 0

g7 2

0 0

gg 3

0 0

39 0

0

}

4 20 0

O 5

7, 0

0 l

6 77 7

0 0

,3

{

g 0

0 74 9

0 0

1 25 10 0

.0 26 i.

11 0

0 3

0 0

l 12

,s 0

0 13

,9 14 0

0 30 i

t 15 0

3, 16 0

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l INSTRUCTIONS On this format, list the average daily unit power lesel in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

19777) 9305180297 930512 PDR ADOCK 05000346 i

R PDR l

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OPERATING DATA REPORT 50-346 DOCKET NO; DATE N l ') - 1993 COMPLETED BY Bilal Sarsour TELEPilONE (419)321-7384 OPERATING STATUS Davis-Besse #1 N"teS

1. Unit Narae:

April 1993

2. Reporting Period:

2772

3. Licensed Thermal Power (MWt):

925

4. Nameplate Rating (Gross MWeI:

906

5. Design Electrical Rating (Net MWe):

921

6. Maximum Dependable Capacity (Gross MWe):

877

7. Maximum Dependable Capacity (Net MWe):

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

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

10. Reasons For Restrictions,if Any:

This Month Yr.-to-Date Cumulative 719.0 2,879.0 129,312

11. Hours in Reporting Period

12. Number Of Hours Reactor Was Critical 48.3 1.467.8 76.402.8 I

13. Reactor Resene Shutdown Hours 0.0 0.0 5,532.0

14. Hours Generator On-Line 6.5 1,425.4 74,200.8

15. Unit Rewrve Shutdown Hours 0.0 0.0 1,732.5

16. Gross Thermal Energy Generated (MWH) 9,314.0 3,402,242 184,081,365 I

17 Gross Electrical Energy Generated (MWH) 816.0 1.150.448 61.082.761 0.0 1,087,527 57,530,500

18. Net Electrical Energy Generated (MWil)

19. Unit Sen-ice Factor 0.9 49.5 57.4

20. Unit Availability Factor 0.9

'49.5 58.7

21. Unit Capacity Factor (Using MDC Net) 0.0 43.1 50.7 0.0 41.7 49.1

)

22. Unit Capacity Factor (Using DER Net) _

0.0 0.0 22.6

23. Unit Forced Outage Rate

24. Shutdowns Scheduled Oser Next 6 Months tType. Date, and Duration of EachL

25. If Shut Down At End Of Report Period. Estimated L) ate of Startup:

26. Units in Test Status (Prior to Commercial Operation t forecast Achiesed INITIA L CRITICALITY INITI AL ELECTRICITY COMMERCI A L OPER ATlON gor 73

tJNIT SHUT 13*tS AND POWER QEIRCT10ft3 oncyEr no.

50-346 ffMIT MAME Davis-Besse 91 onTE May 12, 1993 COMrirTED BY silal Sarnoiar REPORT NDrfrH April 1993 TEtzrnant M19) 321-73s4 n

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2 93-03-01 S

710.1 C

4 NA NA NA Scheduled maintenance and refueling (cont.)

outage.

3 93-04-30 S

2.4 B

9 NA NA NA A manual turbine-generator trip was initiated to perform overspeed I

testing.

F I

F Forced Reason:

Method:

Exhibit G - Instructions for Preparation of Date 5: Scheduled

& Equipment railure (Explain) 1-Manual Entry Sheets for Licensee Event keport (IIR)

B-Maintenance or Test 2-Manual scram File (NURIG-0161)

C-Refueling 3-Automatic scram D-Regulatory Restriction 4-Continuation from E-Operator Training & !.icense Examination Previous Month Exhibit 2 - Some Source T-Adrainistrative 5-toed R. duction

Report challenges to Power operated Relief valves G-operational Error (Explaini 9-other (Explain)

(FORVs) and Pressuriser Code safety valves (PC3ys)

H-other (Explain) s s

-___-___mm__m_ _. _ - _ _ _ _

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{

.I Operational Summary i

April 1993 i

t Zero power physics testing began at 1212 hours0.014 days 0.337 hours 0.002 weeks 4.61166e-4 months on April 28, 1993, and was completed at 2206 hours0.0255 days 0.613 hours 0.00365 weeks 8.39383e-4 months on April 29, 1993.

t i

The turbine-generator was synchronized on line at 1507 hours0.0174 days 0.419 hours 0.00249 weeks 5.734135e-4 months on April 30, l

1993, marking the completion of the unit outage which began on March 1,

i 1993.

Reactor power was slowly increased and approximately 20 percent of full power was attained at 1800 hours0.0208 days 0.5 hours 0.00298 weeks 6.849e-4 months on April 30, 1993.

At 1931 hours0.0223 days 0.536 hours 0.00319 weeks 7.347455e-4 months on April 30, 1993, a manual turbine trip vas initiated to perform overspeed turbine testing.

i r

The turbine-generator was synchronized on line at 2152 hours0.0249 days 0.598 hours 0.00356 weeks 8.18836e-4 months on April 30,

)

1993, and reactor power was slowly increased.

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The following are the more significant outage activities performed during the month of April 1993:

}

Completed the Ercsion/ Corrosion Program inspections Completed Safety Features Actuation System (SFAS) testing l

Completed the manual Inservice Inspection'(ISI)

Successfully completed the Local Leak Rate Testing (LLRT)

Completed all originally scheduled motor operated valve testing Completed overspeed testing of auxiliary feedvater pump turbines and main feedvater pump turbines Successfully completed the heat load test for containment air l

coolers Auxiliary boiler outage was completed t

Installed new turbine bypass valves Completed the installation of flov elements and piping' spool l

pieces / access points into the service vater system to enhance j

inspection capability i

Replaced the Number.2 Letdown Cooler Replaced the existing steam valves to the Auxiliary Feedpump Turbines (AFPTs) with valves of a different vendor and design

.I Replaced the Bailey 855 computer with redundant Modcomp computers l

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ML20036B205

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