ML20245G095

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Monthly Operating Repts for May 1989 for Braidwood Nuclear Power Station
ML20245G095
Person / Time
Site: Braidwood  
Issue date: 05/31/1989
From: Peterson M, Querio R
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BW-89-675, NUDOCS 8908150202
Download: ML20245G095 (16)
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. j ~^N c}/ Braceville, Illinois 60407 - Breldwood Nucisir Powar Station g, ' * .j 7 Rout 3 #1, Box 84 l- .t -._s' g 4\\j Telephone 815/458-2801 ) June 8, 1989 BH/89-675 Director, Office of Resource Management United States Nuclear Regulatory Commission Hasisington, D.C. 2055'i x . ATTN: Document Control Desk . Gentlemen: Enclosed for your information is the Monthly Performance Report covering Braidwood Nuclear Power Station for the period May 1 through May 31, 1989. Very truly yours, \\ d48 R. '. Querio Station Manager Braidwood Nuclear Station REQ /PMB/ jab -(4957z) ' Attachments cc: 'A. B. Davis, NRC, Region III NRC Resident Inspector Braidwood Ill. Dept. of Nuclear Safety T. J. Maiman K. L. Graesser T. J.-Kovach Nuclear Fuel Services, PHR Plant Support INPO Records Center Performance Monitoring Group, Tech Staff Braidwood Station Nuclear Group, Tech Staff Braidwood Station S. Sands - USNRC

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llE.~ 4 ~ ? e r-3,u' ;,,, ' '...i. li'- e-L: BRAIDH000 NUCLEAR POWER STATION UNIT 1 AND UNIT 2 L MONTHLY PERFORMANCE REPORT i- . COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-456, LICENSE NO.-NPF-72 NRC DOCKET NO. 050-457, LICENSE NO. NPF-77

.g< r ' -b 1 -{ I -. Hon.thly Report for Braidwood Unit.1 A. Summary of Ooeratina Exoerience The unit entered the month at approximately 85% power. On May 5, 1989, a Feedwater Pump : rip required a-load reduction to approximately 50%. power. Xenon transient associated with the power reduction forced the unit to remain at this reduced power level until May 8,1989. On May 8,1989, power increased and remained above 80% until May 23, 1989, when a Heater Drain Pump tripped, requiring another power reduction. Again, Xenon transients kept the unit from being returned to higher power, until May 25, 1989. On May 25, 1989, power was increase and remained 80% through the end of the month, i (4957z/3)

i 4.! B. OPERATING DATA REPORT DOCKET NO.: 50-456 E UNIT: Braidwood 1 L 'DATE: 06/09/89 COMPILED BY: M. W. Peterson TELEPHONE: (815)458-2801 ext. 2480 OPERATING STM IS 1. Reporting Period: May, 1989 Gross Hours: 744.0 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 (MWe-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: 744.0 3623.0__ 7352.3 6. Hours Reactor Critical: 744.0 2888.9 6399.3

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RX Reserve Shutdown Hours: 0.0 0.0 0.0 8. Hours Generator on Line: 744.0 2843.1 6254.5 9. Unit Reserve Shutdown Hours: 0.0 0.0 0.0 10. Gross-Thermal Energy (MHH): _2]J6401 8349156 18719618 11. Gross Elec. Energy-(MHH): 733979 2885809 6474773 12. Net Elec. Energy (MHH): 701486 2755600 6179824 13. Reactor Service Factor: 100 79.7 87.0 14. Reactor Availability Factor: 100 79,7 87.0 15. Unit Service Factor: 100 76.5 85.1 16. Unit Availability Factor: 100 78.5 85.1 17. Unit Capacity Factor (MDC net): 84.2 67.9 75.1 18. Unit Capacity Factor (DER net): 84.2 67.9 75.1 19. Unit Forced Outage Rate: 0.0 5.2 7.1 20. Unit Forced Outage Hours: 0.0 156.4 474.4 21. Shutdowns Scheduled Over Next 6 Months: - Refueling Outage September 1989 22. If Shutdown at End of Report Period, Estimated Date of Startup: l (4957z/4) __________u l

) L I C. ' AVERAGE DAILY' UNIT NET POWER LEVEL LOG-DOCKET NO.: 50-456 UNIT: Braidwood 1 l DATE: 06/09/89 i COMPILED BY: M. H. Peterson TELEPHONE: (815)458-2801 ext. 2480. HONTH: May, 1989 1. 943 17. 1124* 2. 935 18. 1123* 3. 955 19. 1109 4. 818 20. 1057 5. 580 21. 1046 6. 610 22, 1091 7. 643 23. 665 8. 871 24. 478 9. 1029 25. 916 10. 1061 26. 1094 11. 1043 27. 1093 12. 1054 28. 995 13. 860 29. 998 14. 841 30. 1072 15. 908 31. 1091 16. 1111 INSTRUCTIONS On this form list the average daily unit power level 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 hoparent anomaly.

  • Due to Condenser Efficiencies (4957z/5)

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i 'F. LICENSEE EVENT REPORTS - UNIT 1 Ths following is a tabular summary of all Licensee Event Reports submitted during the reporting period, May'l through May 31, 1989. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10 CFR 50.73. Li.C3_q119 Event Report Erp.or'._NMEDir_ DjLt1 Title of Occurrence 89-002 05/10/89 Reactor Trip, Safety Injection, and Main Steam Line Isolation during plant heatup'due to management deficiency. 89-005 05/18/89 Reactor shutdown due to failed Instrument-Inverter. i -(4957z/9) +

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II. Hon.thly Report for Braidwood Unit 2 - A. Summarv of Operatina Exnerience The unit entered the month at approximately 95% power. On May 11, 1989, a Reactor Trip occurred as the result of a switchyard breaker failure. The unit was returned to service on May 12, 1989, and continued power operation l through the end of the month. (4957z/10) _____.__.-_.m_________.______ --_-_____-_______J

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OPERATING DATA REPORT DOCKET NO.: 50-457 [ UNIT: Braidwood 2 DATE: 06/09/89 COMPILED BY: M. W. Peterson TELEPHONE: (815)458-2801 ext. 2480 OPERATING STATUS 1. Reporting Period: May, 1989 Gross Hours: 744.0 2. Currently. Authorized Power Level (MWt): 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): None 4. Reasons :for restriction (If Any): None THIS MONTH YR TO DATE CUMULATIVE 5. Report period Hours: 744.0 3623.0 5434.0 6. Hours Reactor Critical: 712.7 2558.6 4075.8 7. RX Reserve Shutdown Hours: 0.0 ___ 0.0 ___ 0.0 8. Hours Generator on Line: 704.8 2539.3 _f.g16.7 9. Unit Reserve Shutdown Hours: 0.0 0.0 0.0 10. Gross Thermal Energy (MWH): 1675139 7225580 11303198 11. Gross Elec. Energy (MWH): 564734 2503447 3923639 12. Net Elec. Energy (MWH): 535941 2378934 3729874 13. Reactor Service Factor: 95.8' 70.6 75.0 14. Reactor Availability Factor: 95.8 70.6 75.0 15. Unit Service Factor: 94.7 70.1 73.9 16. Unit Availability Factor: 94.7 70.1 73.9 17. Unit Capacity Factor (MDC net): 64.3 58.6 61.3 18. Unit Capacity Factor (DER net): 64.3 58.6 61.3 19. Unit Forced Outage Rate: 5.3 1.5 8.5 20. Unit Forced Outage Hours: 39.2 39.2 '372.8 21. Shutdowns Scheduled Over Next 6 Months: 22. If Shutdown at End of Report Period, Estimated Date of Startup: (4957z/11)

i.- - C. --AYIFAGE DAILY UNIT NET POWER LEVEL LOG DOCKET NO.: 50-457 UNIT: Braidwood 2 DATE: 06/09/89 COMPILED BY: M. H. Peterson TELEPHONE: (815)458-2801 ext. 2480 l MONTH: May, 1989 1. 1048 17. 699 [- 2. 962 18. 898 3. 994 19. 1018 4.

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917 5. 1089 21. 569 6. 524 22. 959 7. 518 23. 1082 8. 486 24. 1013 9. 429 25. 957 10. 816 26. 861 11. 137 27. 469 12. 9 28. 469 13. 340 29. 497 14. 437 30. 939 15, 498 si. 1004 16. 553 INSTP'JCTIONS On tnis form list'the average daily unit power level 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/12)

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