ML20078H494

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Monthly Operating Rept for Oct 1994 for Davis-Besse Nuclear Power Station Unit 1
ML20078H494
Person / Time
Site: Davis Besse Cleveland Electric icon.png
Issue date: 10/31/1994
From: Wolf G, Jeffery Wood
TOLEDO EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
KB-94-1997, NUDOCS 9411170308
Download: ML20078H494 (5)


Text

._

TOLEDO

%ss EDISON A Centerior Energy Company D

4 AVENUE TOLEDO. OHIO 43652-0001 November 14, 1994 KB-94-1997 Docket No. 50-346 License No. NPF-3 U.S. Nuclear Regulatory Commission Document Control Desk Vashington, D.C.

20555 Gentlemen:

Monthly Operating Report, October, 1994 Davis-Besse Nuclear Power Station Unit 1 Enclosed are ten copies of the Monthly Operating Report for Davis-Besse Nuclear Power Station Unit No. 1 for the month of October, 1994.

If you have any questions, please contact G. M. Wolf at (419) 321-8114.

Very truly yours,

/

Y l

Jo n K. Vood Plant Manager Davis-Besse Nuclear Power Station

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GMV/dmc Enclosures cc:

L. L. Gundrum NRC Senior Project Manager J. B. Martin Region III Administrator S. Stasek NRC Senior Resident Inspector, Stop 4030 b ' [ <].

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9^11170308 941031 j

8 PDR ADOCK 05000346

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i AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-0346 UNIT Davis-Besse Unit 1 DATE 11 94 COMPLETED BY Gerry Wolf TELEPHONE 419 -321 -8114 MONTH OCTOBER 1994 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net)

DAY (MWe-Net) 1 0

17 0

2 0

18 0

3 0

19 0

4 0

20 0

5 0

21 0

6 0

22 0

7 0

23 0

8 0

24 0

9 0

25 0

10 0

26 0

11 0

27 0

12 0

28 0

13 0

24 0

14 0

30 0

15 0

31 0

16 0

OPERATING DATA REPORT DOCKET NO 50-0346 DATE 11 94 COMPLETED BY Gerry Wolf TELEPHONE 419 -321-8114 OPERATING STATUS

1. Unit Name: Davis-Besse Unit 1 Notes
2. Reporting Period October 1994
3. Licensed Thermal Power (MWt) 2772
4. Nameplate Rating (Gross MWe) 925

_5. Design Electrical Rating (Net MWe) 906

6. Maximum Dependable Capacity (Gross MWe) 913
7. Maximum Dependable Capacity (Net MWe) 868
8. If Changes Occur in Capacity Ratings (Items number 3 through 7) since last report, 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 745.00 7,296.00 142,489.00
12. Number Of Hours Reactor Was Critical 2.85 6,553.85 88,794.30
13. Reactor Reserve Shutdown Hours 0.00 0.00 5,532.00
14. Hours Generator On-Line 1.00 6,552.00 86,575.73
15. Unit Reserve Shutdown Hours 0.00 0.00 1,732.50
16. Gross Thermal Energy Generated (MWH) 665 17,425,679 223,197,448 i
17. Gross Electrical Energy Generated (MWH) 139 5,759,961 72,099,982
18. Net Electrical. Energy Generated (MWH) 0 5,469,441 67,995,810
19. Unit Service Factor
20. Unit Availability Factor 0.13 89.80 60.76 0.13 89.80 61.98
21. Unit Capacity Factor (Using MDC Net) 0.00 86.37 54.98
22. Unit Capacity Factor (Using DER Net) 0.00 82.74 52.67 23._ Unit Forced Outage Rate 0.00 0.00 20.04
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:

November 15,1994

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

UNIT SilUTDOWNS AND POWER REDUCTIONS DOCKET NO.:

50-346 UNIT NAhlE: Davis-Besse #1 '

DATE:

November 1.1994 Cempleted by:

G. hl. Wolf Report $1onth October 1994 Tdephone:

(419)321-8114

,.E]=p Licensee Cause & Corrective g_

y E "o y c.

52

=

Event js s :

y7 gd Action to p

's y j

y3 3

yg5 Report #

NU E 0 No.

Date s

j Prevent Recurrence e

8 94-10-01 S

0 11 5

N/A N/A N/A Reactor power reduction continued due to (cont.)

end of cycle coastdown 9

94-10-01 S

743 C

1 N/A N/A N/A Turbine-Generator taken off-line to begin scheduled maintenance and refueling outage.

I 2

3 4

F: Forced Reason; hiethod:

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

B-hlaintenance or Test 2-hf anual Scram File (NUREG-0161)

C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continuation from 5

E-Operator Training & License Examination Previous hionth Exhibit I - Same Source F-Administrative 5-Load Reduction

  • Report challanges to Power Operated Relief Valves G-Operational Error (Explain) 9-Other (Explain)

(PORVs and Pressurizer Code Safety Valves (PCSVs)

Il-Other (Explain)

4 OPERATIONAL

SUMMARY

The Ninth Refuelir.g Outage started at 0100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br /> on October I when the Main TurNne was tripped. The Reactor was fully shutdown at 0348 hours0.00403 days <br />0.0967 hours <br />5.753968e-4 weeks <br />1.32414e-4 months <br />. 'liis outage was still in progress through the end of the month.

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