ML20082N649

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Monthly Operating Repts for Mar 1995 for Byron Nuclear Power Station
ML20082N649
Person / Time
Site: Byron  Constellation icon.png
Issue date: 03/31/1995
From: Schwartz G, Vogl J
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-95-0124, BYRON-95-124, NUDOCS 9504250316
Download: ML20082N649 (14)
v • d • e


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  • 4490 North German Church Road M 3 run,!!.610109794 Tel Nih 2M 5441 April 7, 1995 LTR: BYRON 95-0124 FILE: 2.7.200 Director, Office of Management Information and Program Control United States Nuclear Regulatory Commission Washington, D.C. 20555 ATTN: Document Control Desk i Gentlemen:

Enclosed for your information is the Monthly Performance Report covering Byron Nuclear Power Station for the period March 1 through March 31, 1995.

Sincerely,

, s

  • G. K. Schwartz Station Manage Byron Nuclear Power Station GKS/JV/rp cc: J.B. Martin, NRC, Region III NRC Resident Inspector Byron IL Dept. of Nuclear Safety Regulatory Services Manager Nuclear Fuel Services, PWR Plant Support INPO Records Center G.F. Dick, Jr. - USNRC F. Yost - Utility Data Institute, Inc.

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(9928MM/040795/1) l 9504250316 950331 PDR A t 'mcom compan, R ADDCK 05000454 PDR

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BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 1

MONTHLY PERFORMANCE REPORT  ;

COMMONWEALTH EDISON COMPANY ;

r NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 l 1

LICENSE NO. NPF-66

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  • l I. Monthly Report for Byron UNIT 1 for the month of March 1995 A. ' Summary of Operatina Exnerience for Unit 1 The Unit began this reporting period in Mode 1 (Power Operations),

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(9928MM/040795/3) b

, .B. OPERATING DATA REPORT DOCKET HO.: 050-454

, UNIT: Byron One DATE: 04/07/95 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS 1.. Reporting Period: March, 1995 Gross Hours: 744

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. 744 2,160 83,617
6. Rx Critical Hours 744 2,160 70,145.3
7. Rx Reserve Shutdown Hours 0 0 38
8. Hours Generator on Line 744 2,160 69,430.2
9. Unit Reserve Shutdown Hours 0 0 0
  • 10. Gross Thernal Energy (MWH) 2,496,842 7,089,552 211,132,541  ;
11. Gross Elec. Energy (MWH) 854,668 2,425,642 71,403,924
12. Net Elec. Energy (MWH) 817,602 2,318,953 67,674,182
13. Reactor Service Factor 100 100 83.89
14. Reactor Availability Factor 100 100 83.93
15. Unit Service Factor 100 100 83.03
16. Unit Availability Factor 100 100 83.03
17. Unit Capacity Factor (MDC net) 99.45 97.16 73.24
18. Unit Capacity Factor (DER net) 98.12 95.86 72.26
19. Unit Forced Outage Hrs. O O 1,794.5
20. Unit Forced Outage Rate 0 0 2.52 ,
21. Shutdowns Scheduled Over Next 6 Months: 1 (B1P02)
22. If Shutdown at End of Report Period, Estimated Date of Startup: None ,
23. Units in Test Status (Prior to Commercial Operation). None 1
  • Note - The cumulative numbers do not reflect power generated prior to commercial service. I i

(9928MM/040795/4) i 1

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' C. AVERAGE DAILY UNIT POWER' LEVEL  ;

DOCKET NO.: 050-454 l UNIT: Byron One DATE: 04/07/95  !

COMPILED BY
J. Vogl l TELEPHONE: (815)234-5441 x2282 ,

MONTH: March, 1995 j DAY AVERAGE DAILY POWER LEVEL l (MWe-Net)  !

1. 1111 MW 16, 1104 MW l 2. 1111 MW 17. 1110 MW l
3. 1107 MW 18. 1107 MW l 4, 1105 MW 19. 1097 MW 1
5. 1103 MW 20. 1051 MW
6. 1107 MW 21. 1100 MW
7. 1108 MW 22. 1100 MW l 8. 1112 MW 23. 1099 MW l

l 9. 1109 MW 24. 1088 MW 10, 1100 MW 25. 1091 MW

11. 1091 MW 26. 1096 MW l

12, 1087 MW 27. 1098 MW

13. 1088 MW 28. 1098 MW
14. 1096 MW 29. 1092 MW
15. 1101 MW 30. 1091 MW
31. 1093 MW INSTRUCTIONS o r 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.

(9928MM/040795/5)

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Report Period: March, 1995

  • BYRON
  • UNIT SHUTDOWNS / REDUCTIONS (UNIT 1) ************************** ,

No. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence NO SHUTDOWNS OR MAJOR REDUCTIONS FOR UNIT ONE

  • Summary
  • TYPE Reason Method System & Component 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)

(9928MM/040795/6)

4 E. UNIOT"E REPORTING REOUIREMENTS (UNIT 1) for the month of March, 1995

1. Safety / Relief valve operations for Unit One.

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

2. Licensee generated changes to ODCM.

None

3. Indications of failed fuel.

Yes. Fuel Reliability Indicator: FRI = 2.3 E-4 pCi/CC i

1 (9928MM/040795/7) l I

F. LICENSEE EVENT REPORTS (UNIT 1)

The fol, lowing is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, occurring during the reporting period, March 1, 1995 through March 31, 1995. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence

. Licensee Event Report Number Date Title of Occurrence None I

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(9928MM/040795/8)  !

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TI.' Monthly Report for Byron UNIT 2 for the month of March, 1995 5 A. Summary of Operatiner Exoerience for Unit 2 The Unit began this reporting period in Mode 6 (Refueling Operations) . !

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'B. OPERATING DATA REPORT

. DOCKET NO.: 050-455 UNIT: -Byron Two DATE: 04/07/95 '

COMPILED BY: J. Vogl.

TELEPHONE: (815)234-5441 x2282 OPERATING STATUS I

1. Reporting Period: March, 1995. Gross Hours: 744 1 l
2. Currently Authorized Power Level: 3411 (MWt)  ;

Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Rating:.1120 (MWe-net) .j 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. 744 2,160 66,721  ;
6. Rx Critical Hours 176.5 1,139.5 57,654.9  !
7. Rx Reserve Shutdown Hours 0 0 0
8. Hours Generator on Line 149.3 1,110.9 57,020.7
9. Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal Energy (MWH) 205,820 3,029,627 168,013,525 i
11. Gross Elec. Energy (MCR) 64,118 1,037,280 57,171,464
12. Net Elec. Energy (PGGI) 50,362 970,652 54,258,049
13. Reactor Service Factor 23.72 52.75 86.41
14. Reactor Availability Factor 23.72 52.75 86.41
15. Unit Service Factor 20.07 51.43 85.46
16. Unit Availability Factor 20.07 51.43 85.46
17. Unit Capacity Factor (MDC net) 6.13 40.67 73.59
18. Unit Capacity Factor (DER net) 6.04 40.12 72.61
19. Unit Forced Outage Hrs. 0 0 1,399.2
20. Unit Forced Outage Rate 0 0 2.40
21. Shutdowns Scheduled Over Next 6 Months: None
22. If Shutdown at End of Report Period, Date of Startup: None
23. Units in Test Status (Prior to Commercial Operation): None
  • Note - The cumulative numbers do not reflect power generated prior to commercial service.

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( 9928MM/04 0795/.10)  ;

C. AVERAGE DATLY UNIT POWER LEVEL j

. DOCKET NO.: 050-455 ,

UNIT: Byron Two DATE: 04/07/95

  • COMPILED BY: J. Vogl ,

TELEPHONE: (815)234-5441 s x2282 MONTH: March, 1995 l DAY AVERAGE DAILY POWER LEVEL i (MWe-Net)

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1. -13 MW 16. -13 MW
2. -13 MW 17. -13 MW
3. -13 MW 18. -13 MW
4. -13 MW 19. -13 MW [

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5. -13 MW 20. -13 MW
6. -13 MW 21. -14 MW
7. -13 MW 22. -14 MW I
8. -13 MW 23. -14 MW f i
9. -13 MW 24. -14 MW  !
10. -13 MW 25. 22 MW
11. -13 MW 26, 227 MW
12. -13 MW 27. 235 MW  ;
13. -13 MW 28. 345 MW ,

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14. -13 MW 29. 454 MW i
15. -13 MW 30. 454 MW <
31. 676 MW INSTRUCTICNS
  • 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.

(9928MM/040795/11) ,

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Report Period: March, 1995

  • BYRON
  • UNIT SHTJTDOWNS/ REDUCTIONS (UNIT 2) **************************

No. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence 2 03/25/95 S 594.7 C 4 B2R05 Ended

  • Summary
  • TYPE Reason Method System & Component 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 dntry Shect E-Operator Training 5-Reduced Load Licensea Lvent Report

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

(9928MM/040795/12)

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9 E. UNIOUE REPORTING REOUIREMENTS (UNIT 2) for the month of March 1995
1. Safety / Relief valve operations for Unit Two.

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

't . Licensee generated changes to ODCM.

None

3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 0 pCi/CC i

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F. LICENSEE EVENT REPORTS (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, March 1, 1995 through March 31, 1995. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licensee Event Report Number pate Title of Occurrence ,

t None f

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{9928MM/040795/14) _

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