ML20096C116

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Monthly Operating Repts for Dec 1995 for Byron Nuclear Power Station
ML20096C116
Person / Time
Site: Byron  Constellation icon.png
Issue date: 12/31/1995
From: Kofron K, Vogl J
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-96-0010, BYRON-96-10, NUDOCS 9601170129
Download: ML20096C116 (14)
v • d • e


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Commonw ealth 1:tlium Company

, 11)nin Generating Station IMO North German Church Road

! ltyron, 11,6101a9791 Tel H14.0 4-5111 January 9, 1996 LTR: BYRON 96-0010 FILE: 2.7.200 Document Control Desk United States Nuclear Regulatory Commission Washington, D.C. 20555 Gentlemen:

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

Sincerely,

/

6 V K. L. Kof o Station Manager Byron Nuclear Power Station KLK/JV/mn cc: H.J. Miller, 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.

170033 9601170129 951231 PDR ADOCK 05000454 R PDR (p:\%byritrs\960010.wpf\010996\l )

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BYRON NUCLEAR POWER STATION 1

l UNIT 1 AND UNIT 2 )

1 MONTHLY PERFORMANCE REPORT l

COMMONWEALTH EDISON COMPANY l NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 LICENSE NO. NPF-66 l

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I. Monthly Report for Byron UNIT 1 for the month of December, 1995 A. Summary of Coeratino Experience for Unit 1 The Unit began this reporting period in Mode 5 (Cold Shutdown).

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B. OPERATING DATA REPORT UMIT ONE

, DOCKET NO.: 050-454 UNIT: Byron One DATE: 01/09/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: December, 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 8,760 90,217
6. Rx Critical Hours 178.1 7,234 75,219.3
7. Rx Reserve Shutdown Hours 0 0 38
8. Hours Generator on Line 173.9 7,229.4 74,499.6
9. Unit Reserve Shutdown Hours 0 0 0
  • 10. Gross Thermal Energy (MWH) 468,985 23,721,966 227,764,955
11. Gross Elec. Energy (MWH) 157,668 8,077,976 77,056,258
12. Net Elec. Energy (MWH) 142,399 7,697,231 73,052,460
13. Reactor Service Factor 23.94 82.58 83.38
14. Reactor Availability Factor 23.94 82.58 83.42
15. Unit Service Factor 23.37 82.53 82.58
16. Unit Availability Factor 23.37 82.53 82.58
17. Unit Capacity Factor (MDC net) 17.32 79.52 73.28
18. Unit Capacity Factor (DER net) 17.09 78.45 72.30
19. Unit Forced Outage Hrs. 0 0 1,794.5
20. Unit Forced Outage Rate 0 0 2.35
21. Shutdowns Scheduled Over Next 6 Months: 1 (B1R07)
22. If Shutdown at End of Report Period, Estimated 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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, ,C. AVERAGE DAILY UNIT POWER LEVEL UNIT ONE DOCKET NO.: 050-454 UNIT: Byron One DATE: .01/09/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 MONTH: December, 1995 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. -13 MW 16. -13 MW
2. -13 MW 17. -13 MW
3. -13 MW 18. -13 MW
4. -13 MW 19. -13 MW
5. -13 MW 20. -13 MW
6. -13 MW 21. -13 MW
7. -13 MW 22. -13 MW
8. -13 MW 23. -14 MW
9. -13 MW 24. 36 MW
10. -13 MW 25. 322 MW
11. -13 MW 26. 568 MW
12. -13 MW 27. 1053 MW
13. -13 MW 28, 1062 MW
14. -13 MW 29. 1060 MW
15. -13 MW 30. 1065 MW
31. 1064 MW 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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Report Period: December 1995

  • BYRON
  • UNIT SHUTDOWNS / REDUCTIONS ,

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

Fo. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence 10 12/24/95 S 570:13 B 4 S/G B1P02 Ended 12/24/95 at 18:13 Hours oo*************

o Summary

  • oo************* ,

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 (UNIT 1) for the month of December, 1995,

1. Safety / Relief valve operations for Unit One.

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

2. Licensee generated changes to ODCM.

None

3. Indications of failed fuel.

Yes. Fuel Reliability Indicator: N/A (p:\%by rltrs\960010.wpf\010996\7 )

t F. LkCENSEE 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, December 1, 1995 through December 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 l

None l

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II. Monthly ReDort for Byron UNIT 2 for the month of December. 1995 l

l l A. Summary of Operatino Excerience for Unit 2 l The Unit began this reporting period in Mode 1 (Power Operations).

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B. OPERATING DATA REPORT UMIT TWO )

DOCKET NO.: 050-455 UNIT: Byron Two i DATE: 01/09/96 1 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 l x2282 OPERATING STATUS

1. Reporting Period: December, 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 0,760 73,321
6. Rx Critical Hours 744 7,739.5 64,254.9
7. Rx Reserve Shutdown Hours 0 0 0 l
8. Hours Generator on Line 744 7,710.9 63,620.7
9. Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal Energy (MWH) 2,498,987 25,017,305 190,001,203
31. Gross Elec. Energy (MWH) 859,232 8,571,481 64,705,665
12. Net Elec. Energy (MWH) 823,838 8,183,770 61,471,167
13. Reactor Service Factor 100 88.35 87.64
14. Reactor Availability Factor 100 88.35 87.64
15. Unit Service Factor 100 88.02 86.77
16. Unit Availability Factor 100 88.02 86.77 17 Unit Capacity Factor (MDC net) 100.21 84.54 75 87
18. Unit Capacity Factor (DER net) 98.87 83.41 74.86
19. Unit Forced Outage Hrs. 0 0 1,399.2
20. Unit Forced Outage Rate 0 0 2.15 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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C. AVERAGE DAILY UNIT POWER LEVEL UNIT TWO DOCKET NO.: 050-455 UNIT: Byron Two DATE: 01/09/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 MONTH: December, 1995 1

DAY AVERAGE DAILY POWER LEVEL l l (MWe-Net) l l

1. 1101 MW 16. 1127 MW l 2. 1116 MW 17, 1120 MN
3. 1116 MW 18. 1063 MW
4. 1123 MW 19. 1129 MW
5. 1123 MW 20. 1127 MW
6. 1130 MW 21, 1124 MW l
7. 1131 MW 22. 1115 MW
8. 1131 MW 23. 1108 MW 9, 1124 MW 24. 1113 MW l

10, 1117 MW 25. 931 MW l

11. 1115 MW 26. 1044 MW 12, 1111 MW 27. 1125 MW l 13, 1118 MW 28. 1123 MW l
14. 1118 MW 29. 1121 MW
15. 1122 MW 30. 1120 MW 31, 1026 MW 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: December, 1995 UNIT SHUTDOWNS / REDUCTIONS '

(UNIT 2) **************************

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i No. Date Tvoe Hours Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence l

NO SHUTDOWNS OR MAJOR REDUCTIONS FOR UNIT TWO IN DECEMBER l.

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                              • i
  • Summary
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L TYPE Reason Method System & Component ,

(

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F-Forced A-Equip Failure F-Admin 1-Manual Exhibit F & H j S-Sched B-Maint or Test G-Oper Error 2-Manual Scram Instructions for ,

C-Refueling H-Other 3-Auto Scram Preparation of l 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 I

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r (p396byrltrs\960010.wpf\010996\ 12 )  !

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E. UNIOUE REPORTING REOUIREMENTS (UNIT 2) for the month of December, 1995 1

1.

Safety / Relief valve operations for Unit Two.

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

2. Licensee generated changes to ODCM.

None =

3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 1.8 E-5 pCi/CC (p:\96by ritrs\960010.wpf\010996\ l 3 )

e 1 F. LICENSEE EVENT REPORTS (UNIT 2)

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

l Occurrence l Licensee Event Report Number Date Title of Occurrence None (p:\%by ritrs\960010.wpf\010996\ l 4 )

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