ML20046A123

Monthly Operating Repts for June 1993 for Byron Nuclear Power Station,Units 1 & 2.W/930706 Ltr

ML20046A123
Person / Time
Site:	Byron
Issue date:	06/30/1993
From:	Colglazier R, Schwartz G COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-93-0346, BYRON-93-346, NUDOCS 9307260221
Download: ML20046A123 (14)

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4450 North German Church Road Byron, Illinois 61010 i

t July 6, 1993 LTR: BYRON 93-0346 FILE: 2.7.200 (1.10.0101)

Director, Office of Management Information and Program Control United States Nuclear Regulatory Commission Washington, D.C. 20555 ATTN: Document Control Desk Gentlemen:

2nclosed for your information is the Monthly Performance Report covering Byron Nuclear Power Station for the period June 1 through June 30, 1993.

Sincerely,-

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4D b' G. K. Schwartz Station Manager Byron Nuclear Power Station GKS/RC/xp cc: J.B. Martin, NRC, Region III NRC Resident Inspector Byron IL Dept. of Nuclear Safety M.J. Wallace/R.L. Bax Nuclear Licensing Manager l Nuclear Fuel Services,.PWR Plant Support D.R. Eggett, Station Nuclear Engineering INPO Records Center J.B. Hickman - USNRC F. Yost - Utility Data Institute, Inc.

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BYRON NUCLEAR POWER STATION' UNIT 1 AND UNIT 2 'f MONTHLY PERFO11MANCE REPORT COMMONWEALTH EDISON COMPANY' ,

NRC DOCKET NO. 050-454 j NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 LICENSE NO..NPF-66 i

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, I. Monthly Report for Byron UNIT 1 for the month of June 1993 i

A. Summary of Ooeratina Excerience for Unit 1 4

.The Unit began.this reporting period in Mode 1 (Power Operations).

b The power level varied'due to load following requirements.

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• • ' 'B . OPERATIWG DATA REPORT DOCKET NO.: 050-454 UNIT: Byron One '

DATE: 07/06/93 COMPILED BY: R. Colglazier '

TELEPHONE: (815)234-5441 >

x2282 OPERATING STATUS

1. Reporting Period: June, 1993. Gross Hours: 720

2. Currently Authorized Power Level: 3411 (MWt) .; '

Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Rating: 1120 (MWe-net)

Max Dependable Capacity: 1105 (MWe-net) ,

3. ' Power Level to Which Restricted (If Any) : None

4. Reasons for Restriction (If Any) : N/A THIS MONTH YR TO DATE CUMULATIVE * {

5. Report Period Hrs. 720 4,343 68,280

6. Rx Critical Hours 720 2,735.2 56,393.5

7. Rx Reserve Shutdown licurs 0 0 38

8. Hours Generator on Line 720 2,688.1 55,715.1

9. Unit Reserve Shutdown Hours 0 0 0 s

• 10. Gross Thermal Energy (bGM) 2,308,848 8,177,586 168,633,877

11. Gross Elec. Energy (MWH) 786,460 2,771,534 56,873,122-

12. Net Elec. Energy (MWH) 750,318 2,634,260 53,840,126 q

13. Reactor Service Factor 100 62.98 82.59 '

14. Reactor Availability Factor 100 62.98 82.65 :!

15. Unit Service Factor 100 61.90 .81.60  ;

16. Unit Availability Factor 100 61.90 81.60 ]

17. Unit Capacity Factor (MDC net) 94.31 54.89 71.36

18. Unit Capacity Factor (DER net) 93.05 54,16 70.40

19. Unit Forced Outage Hrs. 0 94.8 1,498.2 :l

20. Unit Forced Outage Rate 0 3.41 2.62

21. Shutdowns Scheduled Over Next 6 Months: 0 j

22. If Shutdown at End of Report Period,. Estimated Date of Startup: -None

23. Units in Test Status' (Prior- to Commercial Operation) : None-t

• Note - The cumulative numbers do not reflect power l generated prior to commercial service.

l (3927M/WPF/070693 /4)'

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. i C. AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.: 050-454 UNIT: Byron One DATE: 07/06/93 COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 x2282 MONTH: June, 1993 a

DAY AVERAGE DAILY POWER LEVEL (MWe-Net) ,

1. 1042 MW 16. 1018 MW r

2. 1036 MW 17. 1041 MW i

3. 1027 MW 18. 1047 MW i

4. 1104 MW 19. 1046 MW .

5. 1060 MW 20. 1006 MW~

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6. 993 MW 21. 1050 MW I i

7, 1004 MW 22. 1048 MW

.1 8, 1021 MW 23. 1034 MW  ;

9. 1091 MW 24, 1080 MW

10. 1092 MW 25, 1066 MW

11. 1052 MW 26, 998 MW I

12. 1014 MW 27. 1076 MW

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.13. 988 MW 28, 1048 MW

14. 1078 MW 29. '1016 MW

15. 1015 MW 30. 1058 MW -l l

31. j 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 apparent-anomaly'.

< (3927M/WPF/070693 /5)

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Report Period June, 1993

• BYRON

• UNIT SHUTDOWNS / REDUC"IIONS (UNIT 1) **************************

i No. Date Tyne Hourty Reason Method LER Number System Comoonent Cause & Corrective Action to Prevent Recurrence NO SHUTDOWNS OR MAJOR REDUs _ sNS FOR UNIT ONE

• Summary

• TYPE Reason Method System & Ccuconent F-Forced A-Equip Failure F-Admin 1-Manual Exhibit F & H S-Sched B-Maint or Test G-Oper Error 2-Manual Scram Instructions for C-Refueling H-Other 3-Auto Scram Preparation of D-Regulatory Restriction 4-Continued Data Entry Sheet E-Operator Training 5-Reduced Load Licensee Event Report

& License Examination 9-Other - (LER) - File (NUREG-0161) i- ,

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9 E. NIOUE REPORTING REOUIREMENTS (UNIT 1) for the month of June 1993

- 1. Safety / relief valve operations for Unit One.

VALVES NO & TYPE PLANT DESCRIPTION .,

p_ ATE ACTUATED ACTUATION CONDITION OF EVEf7T i

L None j L

i 2 .. Licensee generated changes to ODCM.

None

3. Indications of failed fuel.

j Fuel Reliability Indicator:

No FRI: O Ci/cc f

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1 (3927M/WPF/070693/7)

4 FJ LICENSEE EVENT REPORTS (UNIT 1)

The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, occurring during the reporting period, June 1, 1993 through June 30, 1993. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licensee Event Reoort Number Date Title of Occurrence None (3927M/WPF/070693/8)=

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e l II. Monthly Reoort for Byron UNIT 2 for the month of June 1993  :

A: Summary of Ooeratino Exoerience for Unit 2

'I The Unit began this reporting period in Mode 1 (Power Operations).

The power level varied due to load following requiremento.

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• J B. OPERATING DATA REPORT DOCKET NO.: 050-455 UNIT: Byron Two DATE: 07/07/93 COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 x2282 CPERATING STATUS

1. Reporting Period: June, 1993. Gross Hours: 720

2. Currently Authorized Power Level: 3411 (MWt)

Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Rating: 1120 (MWe-net)

Max Dependable Capacity: 1105 (MWe-net) -

3. Power Level to Which Restricted (If Any) ; None

4. Reasons for Restriction (If Any) :

THIS MONTH YR TO DATE CUMULATIVE *

5. Report Period Hrs. 720 4,343 51,384 ,

6. Rx Critical Hours 720 4,305.2 44,640.8' -4

7. Rx Reserve Shutdown Hours 0 0 0

~8. ' Hours Generator on Line 720 4,268.1 44,073.4..

9. Unit Reserve Shutdown Hours 0 0- 0

10. Gross Thermal Energy (1901) . 2,341,733 13,832,938 126,583,395

11. Gross Elec. Energy (MWH) 800,348 4,732,141 42.,948,079

12. Net Elec. Energy (MWH) 764,208 4,558,946 40,719,705 '

13. Reactor Service Factor 100 99.13 86.88 1

14. Reactor Availability Factor 100 99.13 86.88-

15. Unit Service Factor 100 98.28 85.77- ,

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16. Unit Availability Factor 100 '98.28 -85.77'

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17 Unit Capacity Factor (MDC net) 96.05 95.00 71.72 7

18. Unit Capacity Factor - (DER net) 94.77 93.73 70.76

19. Unit Forced Outage Hrs. 0 74.90 1318.9'  ;

~20. Unit Forced Outage Rate 0; :1.72 2.91' l i i-----

21. Shutdowns Scheduled Over Next 6 Months: 1. B2R04 09/03/93  ;

22. If Shutdown at End of Report Period, Estimated Date of Startup: NONE-123.. Units in Test' Status (Prior to Commercial Operation): 'None j

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(3927M/WPF/070693 /10)' Il

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C. AVERAGE DAILY UNIT POWER LEVEL DOCKET NO

050-455 ,

UNIT: Byron Two l DATE: 07/07/93 I COMPILED BY: R. Colglazier l TELEPHONE: (815)234-5441 l x2282 l MONTH: June, 1993 DAY AVERAGE DAILY POWER LEVEL J (MWe-Net)

1. 1038 MW 16. 1093 MW

2. 1088 MW 17. 1078 MW

3. 1091 MW 18. 1047 MW

4. 1093 MW 19, 1016 MW

5. 1064 MW 20. 1021 MW '

6. 1029 MW 21. 1048 MW

7. 1060 MW 22. 1079 MW

8. 1018 MW 23, 1043 MW

9. 1039 MW 24. 1083 MW-

10. 1052 MW 25. 1091 MW 11 1047 MW 26. 1090 MW

12. 977 MW 27. 1088 MW

.13. 987 MW 28, 1096 MW

14. 1077 MW 29. 1099 MW

15. 1099 MW 30. 1098 MW

.31.

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 apparent anomaly.

(3927M/WPF/070693/11)

D Report Period June, 1993

• BYRON

• UNIT SHUTDOWNS / REDUCTIONS (UNIT 2) **************************

No, Date Tvoe Hgurs Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence NO SHUTDOWNS OR MAJOR REDUCTIONS FOR UNIT TWO 1

• Summary

• 1 TYPE Rgason Method System & Comoonent F-Forced A-Equip Failure F-Admin 1-Manual Exhibit F & H S-Sched B-Maint or Test G-Oper Error 2-Manual Scram Instructions for C-Refueling H-Other 3-Auto Scram Preparation of D-Regulatory Restriction 4-Continued Data Entry Sheet E-Operator Training 5-Reduced Load Licensee Event Report

& License Examination 9-Other (LER) File (NUREG-0161)

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(3927M/WPF/070693/12)

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E. UNIOUE REPORTING REOUIREMENTS (UNIT 2) for the month of June 1993 l

1. Safety / Relief valve operations for Unit Two.

VALVES NO & TYPE PLANT DESCRIPTION DATE ACTUATED ACTUATION CONDITION OF EVENT None l

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2. Licensee generated changes to ODCM.

None

3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 3.5E-5 pCi/CC l

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F. LICENSEE EVENT REPORT 1 (UNIT 2)_

The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit Two, occurring during the reporting period, June J, 1993 through June 30, 1993. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Licensee Event Report Numbp_t Occurrence Data Title of Oc_gurrence None I

J (3927M/WPF/070693/14)