ML20097F626

Monthly Operating Rept for May 1992 for Davis-Besse Nuclear Power Station

ML20097F626
Person / Time
Site:	Davis Besse
Issue date:	05/31/1992
From:	Sarsour B, Storz L TOLEDO EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
KB92-0309, KB92-309, NUDOCS 9206150430
Download: ML20097F626 (5)

Text

_ _ - _ _ - _ _. - _ - _ _ _ _ - _. _ - - - _ - _. - - _ - - _ - _ - - - - - _. _ _ _ _ - _ _ _ _ - - - _ _ _ - - _ _ _ _ _ _ _ - _ - _ _ - - - - - - - - _ _ - - _ _ _ _ _ _ _. _ - _ _ - - _..

e.

~

TOLEDO

% a EDISON A C c wvy (<egy Comtwy

[Dl90N l'1 A7A 300 t/ADtSON Avf Nuf TOL f DD OHIO 43M;NXYJ1 June 9, 1992 KB92-0309 Docket No. $0-346 License No. NPF-3 U.S. Nuclear Regulatory Commission Docoment Control Desk Vashington, D.C.

20555 Gentlemen:

Monthly Operating Report, Hay, 1992 Davis-Besse Nuclear Power Station Unit 1 Enclosed are ten copies of the Monthly Operating Report for Davis-Besse Nuclear Power Station Unit No. I for the month of Hay, 1992.

If you have any questions, please contact Bilal Sarsour at (419) 321-73f14.

Very truly yours,

/

(ctN>

(

.h Louis F. Storz Plant Manager Davis-Besse Nuclear Power Station BHS/ tid Enclosures cc Mr. A. Dert Davis Regional Administrator, Region III Hr. J. B. Hopkins NRC Senior Project Hanager Mr. Vil* lam 1.evis NRC Senior Resident Inspector i

rV

=9206150430 920532 DR ADOCK 05000346 PDR

__m..__.__.

1 AVER AGE D AILY UNIT POhER LEVEL 50-346 DOCKTT No.

UdVI"~8C""" #I UNIT DATE 3""' 9* 1992 COMPLE1LD BY Bilal Sarsour (419)321-7384 IELEPHONE

"#Y' 99 MONill I

DAY AVER AGE DAILY POWER LEVEL DAY AVER AGE D ALLY POhER LEVEL (MWeNeo (MWe.Neo 875 17 871 871 f

gg 875 3

881 39 ggo 882 4-

o 877 83 873 5

21 88I 83I 6

22 883 7

23 371 8

880 24 376 880 688 9

25 878 10 26 884 875 11 27 885 870 gg4 32 gg 875 885 13

,9 34 -

881 883 39 15 881 11 884 878 16 INSTRUCTIONS j-On this format, hst the aserage dails unit power lesel in MWe Nei fut each day in the reportmg month. Compute to the nearest whole rnegawatt.

IC77)

OPER AllNG DAT A RLPORT 50-346 DOCKL1NO ogit '. lune 9, 1992 COM"LLTLD BY IGlal sat soer TELLPilONL J 4191321 -7 384 OPERATING ST A1US Davis-liesse Unit #1 N"$

1. Unit Name; Fla y, 1992

2. Reporting Period:

2772

3. Licenwd t hennal Power (MWI):

925 4, Nameplate Rating (Grou MWe):

906 5 Design Electrical Rating (Net MWe):

921

6. Mastmum Dependable Capacity (Grou MWe):

877

7. Masimum Dependable Capacity (Net MWe);

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

9. Power Level To which Restricted,if Any (Net MWet 10, Reasons For Restrictions.lf Any:

This Month Yr. to-Date Cumulaine

11. Ilours in Reporting Period 744.0 3,647.0 121,290 744.0 3,622.2 69,798

12. Number Of Hours Reactor was Criticat 0.0 24.8 5,532.0

13. Reactor Resene Shutdown Four, 744.0 3,605.3 67,638.4 j

14. Hours Generator On Line 0.0 0.0 1,732.5

15. Unit Resene Shutdown llours

16. Gross Thermal Energy Generated (MWil) 1.974,551 9,884,065 166,493,358 656,533 3,315.060 55,208,437 17 Grou Electrical Energy Generated (MWil)

18. Net Electrical Energy Generated (MWil) 624,500 3,153,322

_51,945,810 100.0 98.9 55,g

19. Unit Senice f actor 100.0 98,9 57.2

20. Unit Asailability Factor 95.7 98.6 48.8

21. Unit Capacity Factor (Using MDC Net) 92.6 95.4 47.3

22. Unit Capacity Factor (Using DER Net)

23. Unit forced Outage Rate 0.0 1.1 2i L

24. Shutdowns Scheduled Oser Nest 6 Months (T)pe, Date.and Duration of Eacht

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

26. Units in Test Status (Prior to Commercial Operationt Forecast Achiesed tNITI AL CHillCALiTY INillAL ELECTRICITY COMMERCIAL OPER ATlON to/77 >

turr Smirn: nets n:o PauEa =mcmcm3 50-366

- m, tarrr me: e.n.-se.- el cm June 9, 1992 CDMPLETED BY 811a1 Sarseer sEr w r m ers May, 1992 TEtzP,anc < <1s = 3:1-not i

T;!

uten.ee ts c=uee & correcties 34 5

7: :

Event

• e 30 actica to no.

nate

g 4 -.

T, g

g=

j menet e Prevoet s.currence g o.

3 92-05-22 S

H NA NA NA NA Reactor power reduction to approxi-saately 50 percent to locate and plug condensec tube leak (s), to clean condenser water boxes, and to clean containment air coolers.

See Operational Surr.ary for further details.

F Forced Reason:

' Method:

Exhibit G - Instructions for Freparation of Data S: Schedkaled A-Equipment Failure (Explais) 1-Manual Entry Sheets for Licensee Event Report (IZ51) 5-Maintenance er Test 2-Manual Scram File (MUREG-0161)

C-Refueling 3-Aartomatic Scram D-Regulatory Bestriction 4-continuation from E44*ratcr Training & License Enemination Previous Month Exhibit I - Same Source F-Administrative 5-Ioad Redtaction

• Poport challenges to Power Operated Relief Valves GM)perational Error (Explain) 9-ether (Esplaint (Pcavs) and Pressurizer code Safety valves (PC$vs) 15-other (Explain)

M 4.

Operational Summary Hay, 1992 Reactor power was maintained at approximately 100 percent full power until 1900 hours0.022 days <br />0.528 hours <br />0.00314 weeks <br />7.2295e-4 months <br /> on May 22, 1992, when a planned power teduetion to appioximately 50 percent was initiated to perform the following activities:

a) Clean main condenser water boxes.

b)- Locate and plug main condenser tube leak (s).

c) Clean containment air coolers, d) Inspect the cooling tower, e) Adjust oil pressure regulator on Main Feed Pump fJumber 1.

f) Change the oil on Circulating Vater Pump flumber 2 thrust bearing.

g) Perform main turbine-valve testing and control tod drive exercise testing.

Reactor power vas slovly increased to approximately 100 percent full power, which was achieved at approximately 1200 hours0.0139 days <br />0.333 hours <br />0.00198 weeks <br />4.566e-4 months <br /> on May 25, 1992, and maintained at this power level for the rest of the month.

l.

I i

I s

5 a

l-

- ~

.. ~..--..

. -