ML20244B274

Monthly Operating Repts for Apr 1989 for Braidwood Nuclear Station Units 1 & 2

ML20244B274
Person / Time
Site:	Braidwood
Issue date:	04/30/1989
From:	Peterson M, Querio R COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BW-89-564, NUDOCS 8906130050
Download: ML20244B274 (14)

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\ BrIldwood Nuct:crEdison ' ~

PowIr Station

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L' Braceville, Illinois 60407 ,

' Telephone 815/458-2801

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May 10,1989 .

'BH/89-564L d

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l Director,' Office of Resource Management .1

-United States Nuclear Regulatory Commission LHashington, D.C. 20555L ATTN: Document Control Desk Gentlemen:

Enclosed for your information is the Monthly . Performance Report covering Braidwood Nuclear Power Station for the period j April 1 through April 30, 1989. D Very truly yours, et

. E. Querio ,

Station Manager Braidwood Nuclear Station REQ /PMB/ jab (4957z)  !

l Attachments i

cc:. A. B. Davis, NRC, Region III .j NRC Resident Inspector Braidwood  :

Gary Wright, Ill. Dept. of Nuclear Safety  !

T. J. Maiman  !

K. L. Graesser i l- T. J. Kovach l

Nuclear Fuel Services, PHR Plant Support INPO Records Center- . . .

Performance Monitoring Group, Tech Staff Braidwood Station d Nuclear Group, Tech Staff Braidwood Station l S. Sands - USNRC i

~S. C. Hunsader Production Services (4957z/13)

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. BRAIDWOOD' NUCLEAR POWER STATION  ;

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MONTHLY PERFORMANCE' REPORT 1.,-

1 COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-456, LICENSE NO.'NPF 1 NRC DOCKET NO. 050-457, LICENSE NO. NPF-77

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I.- Monthly Report for Braidwood Unit l' A. Summarv of Doeratino Experience The unit entered the month at approximately 97% power. On April 8,1989,: power was' reduced to approximate 1y' 47% due to a Quadrant Power Tilt RatioL equal-to .l.03 on channel N-41.- On April:10,1989,. the unit was taken off line to, replace the #4 Turbine Governor Valve.- The valve was replaced and the unit was brought back'on:line. On April

23. 1989, the unit was:again.taken off line due to a

' failure of the Instrument InverterLforLBus'111. .The

. inverter was repaired, and the unit.was brought back on-line and remained;on line through the end of the month.

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B. OPERATING DATA REPORT DOCKET NO.: 50-456 UNIT: Braidwood 1 DATE: 05/10/89 COMPILED BY: M. H. Peterson TELEPHONE: (815)458-2801 ext. 2480 OPERATING STATUS

1. Reporting Period: April, 1989 Gross Hours: 719.0

2. Currently Authorized Power Level (MHt): 3411 Design Electrical Rating (MWe-gross): 1175 Design Electrical Rating (MWe-net): 1120 Max Dependable Capacity (MWe-gross): 1175 Max Dependable Capacity (MWe-net): 1120

3. Power level to which restricted (If Any): 1034

4. Reasons for restriction (If Any): The 15A Drail Cooler; ISA,16A, &

17A Feedwater Heaters are out of service, excessive mositure carryover.

THIS MONTH YR TO DATE CUMULATIVE

5. Report period Hours: 719.0 2879.0 6608.0

6. Hours Reactor Critical: 497.5 2145.9 _5fdifL_

7. RX Reserve Shutdown Hours: 0.0 0.0 0.0

8. Hours Generator on Line: 484.2 2100.1 .5511.5

9. Unit Reserve Shutdown Hours: 0.0 0.0 0.0

10. Gross Thermal Energy (MHH): 1276516 6212755 16583217

11. Gross Elec. Energy (MWH): 431998 2151830 5740794

12. Net Elec. Energy (MHH).: 412427 2054114 _5_478338

13. Reactor Service Factor: 69.2 74.5 85.6

14. Reactor Availability Factor: 69.2 74.5 85.6

15. Unit Service Factor: 67.3 72.9 83.4

16. Unit Availability Factor: 67.3 72.9 83.4

17. Unit Capacity Factor (MDC net): 51.2 63.7 74.0

18. Unit Capacity factor (DER net): 51.2 63.7 74.0

19. Unit Forced Outage Rate: 14.3 69 2 7.9

20. Unit Forced Outage Hours: 80.8 156.4 474.4

21. Shutdowns Scheduled Over Next 6 Months: - Refueling Outage September 1989

22. If Shutdown at End of Report Period, Estimated Date of Startup:

l (49572/4)

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C., AVERAGE DAILY UNIT NET POWER LEVEL LOG ~DOCKET NO.: 50-456'

. UNIT:. Braidwood 1 DATE:' 05/10/89 COMPILED BY: M. W. Peterson TELEPHONE: (815)458-2801 ext. 2480 MONTH: April, 1989

1. 1035 '17. '113'

2. -1011 18. 517 ,

3, 1021 19. 982 4, 1045 20.- 975'-

5. 1062 21. 973 6, 1062 22. 952 l' '7. __

1080 23. 621

8. '1023 24. - 9. 519 25. -11

10. 460 ' 26. -12

11. -9 27. -179

12. -11 28. 792 l 13. -11 29. 949 l

14. -11 30. 948

15. -11

16. -11 INSTRUCTIONS l

On this. form list the average daily unit power level in MHe-Net' for each day in the reporting month. Compute to the. nearest whole megawatt.

These figures.will.be usec' to_ plot a graph for each reporting month.

L Note that when maximum dependable capacity is: used for:the net electrical l- rating of the unit there may be occasions when the daily average power

. level exceeds the 100% line (or the restricted power level line). In such cases-the average daily unit power output sheet'should be footnoted to explain the apparent anc,maly.

(4957z/5)

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l I F. LICENSEE EVENT REPORTS - UNIT 1 The foilowing is a tabular summary of all Licensee Event Reports submitted during the reporting period, April 1 through April 30, 1989.

This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10 CFR 50.73.

Licensee Event Reoort Reoort Number Date Title of Occurrence 89-004 03/31/89 Reactor Trip from Governor Valve closure due to Defective Turbine Trip Test . Switch..

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II. Monthly Report for Braidwood Unit 2  ;

i A. Symmary of Ooeratina ExDerience l The unit entered the month at approximately 1007. power, and remained on line for the remainder of the month'.

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(4957z/9)

L4 -" .{ B. . OPERATING DATA REPORT- DOCKET NO.:1 50-457 UNIT: Braidwood 2-DATE: 05/10/89 COMPILED BY: M. H. Peterson TELEPHONE: (815)458-2801 ext' 2480 OPERATING STATUS 1.- Reporting Period: . April,1989 Gross. Hours: 719.0

2. Currently Authorized Power Level (MHt): 3411 Design Electrical Rating (MHe-gross): 1175 Design Electrical Rating (MHe-net): 1120.

Max Dependable Capacity (MWe-gross): 1175 Max Dependable Capacity (MHe-net): 1120

3. Power level to which restricted-(If Any): None

4. Reasons for restriction (If.Any): None THIS MONTH YR TO DATE ' CUMULATIVE

5. Report period Hours: 719.0 2879.0 4690.0

'6. Hours Reactor Critical: 719.0 1845.9 3363.1

7. RX Reserve Shutdown Hours: 0.0 0.0- O A__

8. Hours Generator on Line: 719.0 1834.5 -3311.9

9. Unit Reserve Shutdown Hours: 0.0 0.0 0.0

10. Gross Thermal Energy (MHH): 2278398 5550441 9628059

11. Gross Elec. Energy (MHH): 798451 1938713 3358905

12. Het Elec. Energy (MHH): 766969 1842993 '3193933

13. Reactor Service Factor: 100 64.1 71.7 Reactor Availability Factor:

14. 100- 64.1 71.7

15. Unit Service Factor: 100 63.7 70.6

16. Unit Availability Factor:' 100 63.7 70.6

17. Unit Capacity Factor (MDC net): 95.2 57.2 60.8

18. Unit Capacity Factor (DER net): 95.2 57.2 60.8

19. Unit Forced Outage Rate: 0 0 9.2

20. Unit Forced Outage Hours: 0 0- 333.6-

21. Shutdowns Scheduled Over Next 6 Months:

22. If Shutdown at End of Report Period, Estimated Date of Startup:

(4957z/10) ,

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" LC." -AVERAGE DAILY UNIT NET POWER LEVEL' LOG DOCKET NO : 50-457 UNIT: Braidwood 2 DATE: 05/10/89

~ COMPILED BY: M. W. Peterson TELEPHONE:- (815)458-2801 ext.-2480 MONTH: April, 1989

1. 1155* 17. 1089-

2. 1145* 18. 1108

3. 965 -19. 1082 4, 692- 20. 1074

5. -1138* 21. 1112

6. 1131* 22. 1087

.7. [118* 23. 1062 8, 1151* 24, 1069'

9. 997 .25. 1083'

10. 996 26. 1079

11. 990 27. 1066

12. 1118 28. 1079

13. 1142* 29. 1065

14. 1071 30. 930

15. 1112

16. 1061 INSTRUCTIONS On this form list the average daily unit power'1evel in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

These figures will be used to plot a graph for each reporting month.

Note that when maximum dependable capacity is used for the ~ net electrical rating of the unit there may be~ occasions when the daily average power level exceeds the-100% line (or the restricted power _ level line). In such cases the average daily unit power output sheet should be footnoted ~

to explain the apparent anomaly.

• Due to Condenser Efficiencies (4957z/11) l

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. .F..- LICENSEE EVENT-REPORTS - UNIT 2-. 1 The following is a tabular. summary of all Licensee Event Reports . ,

submitted during the reporting period,-' Apr11 1 thro'igh April- 30,.:1989.

This information ir, provided pursuant _to the' reportable occurrence.: 'l reporting requirements as' set forth~in 10 CFR 50.73.  !

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