ML20117N505

Monthly Operating Repts for Aug 1996 for Byron Nuclear Power Station,Units 1 & 2

ML20117N505
Person / Time
Site:	Byron
Issue date:	08/31/1996
From:	Kofron K, Vogl J COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-96-0241, BYRON-96-241, NUDOCS 9609190241
Download: ML20117N505 (14)

Text

I Commonwealth Illimn Company ily ron Generating Station 4150 North German Church Road IJg ron, ll. 6101(k9794 TclHl%2 h 5441 I

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September 9, 1996 i LTR: BYRON 96-0241 FILE: 2.7.200 i

U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 i l

ATTENTION: Document Control Desk '

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SUBJECT:

Monthly Operating Report j Byron Nuclear Power Station, Units 1 and 2 l NRC Docket Numbers: 50: 454 and 455 l l

Gentlemen:

Enclosed for your information is the Monthly Operating Report covering Byron Nuclear Power Station for the period August 1 through August 31, 1996.

Sincerely, l

i o n K. L. o n Station Manager Byron Nuclear Power Station KLK/JV/rp l

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, cc: A.B. Beach, Regional Administrator - RIII f l l G. Dick, Byron Project Manager - NRR \ ', l' S. Burgess, Senior Resident Inspector - Byron Office of Nuclear Safety - IDNS INPO Records Center F. Yost - Utility Data Institute, Inc. i a

o t. h D ?e 9609190241 960831

, PDR ADOCK 05000454

! R PDR A l'nicum Company

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1 BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT l

COMMONWEALTH EDISON COMPANY l l

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NRC DOCKET NO. 050-454  ;

NRC DOCKET NO. 050-455 l 1

l LICENSE NO. NPF-37 LICENSE NO. NPF-66 I

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.. i I. Monthly Report for Byron UNIT 1 for the month of August, 1996 A. Summary of Operating Experience for Unit 1 I The Unit began this reporting period in Mode 1 (Power Operations). 1 l

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B. OPERATING DATA REPORT UMIT ONE DOCKET NO.: 050-454 UNIT: Byron One DATE: 09/09/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: August, 1996 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. Powet Level to Which Restrie'.ec (II m.f i: None

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

5. Report Period Hrs. 744 5,855 96,072

6. Rx Critical Hours 744 3,776.5 78,995.8

7. Rx Reserve Shutdown Hours 0 0 38

8. Hours Generator on Line 744 3,698.3 78,197,9

9. Unit Reserve Shutdown Hours 0 0 0

• 10. Gross Thernal Energy (MWH) 7,435,877 11,624,541.8 239,389,496.8

11. Gross Elec. Energy (MWH) 833,120 3,951,557 81,007,815 ,

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12. Net Elec. Energy (MWH) 797,506 3,740,421 76,792,881 1

13. Reactor Service Factor 100 64.50 82.23

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14. Reactor Availability Factor 100 64.50 82.27

15. Unit Service Factor 100 63,16 81.40

16. Unit Availability Factor 100 63.16 81.40

17. Unit Capacity Factor (MDC net) 97.01 57.81 72.34

18. Unit Capacity Factor (DER net) 95.71 57.04 71 37  !

19. Unit Forced Outage Hrs. 0 0 1,794.5

20. Unit Forced Outage Rate 0 0 2.24

21. Shutdowns Scheduled Over Next 6 Months: None

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

23. Units in Test Status (Prior to Commercial Operatien) : None

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

(p:\96byrttn\%0241.wpf-4)

C. AVERAGE DAILY UNIT POWER LEVEL UNIT ONE DOCKET NO.: 050-454 UNIT: Byron One DATE: 09/09/96 COMPILED BY: J. Vogl i TELEPHONE: (815)234-5441 x2282 MONTH: August, 1996 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)  ;

1. 1076 MW 16. 1083 MW l

2. 1072 MW 17. __. 1082 MW

3. 1071 MW 18. 1069 MW

4. 1066 MW 19. 1075 MW

5. 1060 MW 20. 1074 MW l

6. 1058 MW 21. 1071 MW

7. 1058 MW 22. 1070 MW l

8. 1067 MW 23. 1078 MW

9. 1071 MW 24. 1068 MW

10. 1076 MW 25. 1079 MW

11. 1079 MW 26. 1078 MW

12. 1078 MW 27. 1084 MW j

13. 1075 MW 28. 1085 MW

14. 1076 MW 29. 1086 MW 15, 1083 MW 30. 1010 MW

31. 1057 MW INSTRUCTIONS i

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 I 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, ,

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Report Period: August 1996 UNIT SHUTDOWNS / REDUCTIONS

• BYRON *

(UNIT 1) **************************

No. Date _ Type flours 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) i (p:\96byritrs\960241.mTf4)

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UNIODE REPORTING REOUIREMENTS (UNIT 1) for the month of Auoust. 1996

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.

No. Fuel Reliability Indicator: FRI = 3.0 E-5 pCi/CC l

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F. 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 reporL!ng period, August 1, 1996 through August 31, 1996. This information is provided },ursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licensee Event Reoort Number Date Title of Occurre,npqg 454-180-96-0013 08/14/96 Radiation Monitor Setpoint Discrepancy (p:\96byrkrs\960241.wpf-8)

II. Monthly Reoort for Byron UNTT 2 for the month of Aucust, 1996 A. Summary of Ooeratino Experience for Unit 2 t

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

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B. OPERATING DATA REPORT UNIT TWO i

DOCKET NO.: 050-455 UNIT: Byron Two DATE: 09/09/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441  !

x2282 OPERATING STATUS

1. Reporting Period: August, 1996. Gross Hours: 744 i

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 ,

i THIS MONTH YR TO DATE CUMULATIVE *

5. Report Period Hrs. 744 5,855 79,176

6. Rx Critical Hours 178.9 5,131.4 69,386.3

7. Rx Reserve Shutdown Hours 0 0 0

8. Hours Generator on Line 178.7 5,126.8 68,747.5 i i

9. Unit Reserve Shutdown Hours 0 0 0

10. Gross Thermal Energy (MWH) 486,347 17,118,809.6 207,120,012.6

11. Gross Elec. Energy (FGCH) 163,136 5,873,703 70,579,368

12. Net Elec. Energy (MWH) 147,183 5,614,625 67,085,792 f

13. Reactor Service Factor 24.05 87.64 87.64

14. Reactor Availability Factor 24.05 87.64 87.64

15. Unit Service Factor 24.02 87.56 86.83

16. Unit Availability Factor 24.02 87.56 86.83  !

17. Unit Capacity Factor (MDC net) 17.90 86.78 76.68

18. Unit Capacity Factor (DER net) 17.66 85.62 75.65

19. Unit Forced Outage Hrs. 253.3 416.2 1,815.4

20. Unit Forced Outage Rate 58.63 7.51 2.57  ;

21. Shutdowns Scheduled Over Next 6 Months: None l 22. If Shutdown at End of Report Period, Date of Startup: 9/30/96 1

23. Units in Test Status (Prior to Commercial Operation): None

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

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C. AVERAGE DATLY UNIT POWER LEVEL UNIT TWO

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DOCKET NO,: 050-455 UNIT: Byron Two DATE: 09/09/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 MONTH: August, 1996 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 948 MW 16. -13 MW

2. 943 MW 17. -13 MW

3. 931 MW 18. -13 MW

4. 905 MW 19. -13 MW

5. 874 MW 20. -13 MW

6. 864 MW 21. -13 MW

7. 821 MW 22. -13 MW

8. 143 MW 23. -13 MW

9. -14 MW 24. -13 MW

10. -13 MW 25. -13 MW

11. -13 MW 26. -13 MW

12. -13 MW 27. -13 MW

13. -13 MW 28. -13 MW

14. -13 MW 29. -13 MW 1

15. -13 MW 30. -13 MW l

31. -13 MW l

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. )

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• BYRON

• Report Period: August, 1996 UNIT SHUTDOWNS / REDUCTIONS (UNIT 2) . **************************

No. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence 2 8/08/96 F 253:20 A 1 MS Stm Generator Forced Outage B2F17 Due To-Increased Leak Rate In The 2A S/G 3 8/19/96 S 403:00 C 4 Began Refueling Outage B2R06 2

• 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)

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E. UNIOUE REPORTING REOUIREMENTS JUNIT 2) for the month of Auctust. 1996 l

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1. Safety / Relief valve operations for Unit Two.

VALVES NO & TYPE PLANT DESCRIPTION DATE ACTUATED ACTUATION CONDITION OF EVENT I

None l

2. Licensee generated changes to ODCM. l None 1

3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 3.9 E-5 pCi/CC (p:\96byritrs\960241.wpf-13)

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F. LICENSEE EVENT REPORTS (UNIT 2)

The following is a tabular summary of asee Event Reports for Byron Nuclear Power Station, Unit Two, c;u:ut ring during the reporting period, August 1, 1996 through August 31, 1996. This information is provided pursuant to the reportable occurrence reporting requirements as sat forth in 10CFR 50.73.

Occurrence Licensee Event Report Number Date Title of Occurrence None 1

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