ML20134N056

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Monthly Operating Rept for Oct 1996 for Byron Nuclear Power Station,Units 1 & 2
ML20134N056
Person / Time
Site: Byron  Constellation icon.png
Issue date: 10/31/1996
From: Vogl J
COMMONWEALTH EDISON CO.
To:
Shared Package
ML20134N048 List:
References
NUDOCS 9611260148
Download: ML20134N056 (13)
v • d • e


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BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERrORMANCE REPORT COMMONWEALTH EDISON COMPANY i

NRC DOCKET NO. 050-454 l NRC TJ'KET NO. 050-455 l

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

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9611260148 961108 PDR ADOCK 05000454 R PDR fpi\t6byritrs\960209.wpr-2) m,-

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,I. Monthly Report for Byron UNIT 1 for the month of october, 1996. i A. Summary of ODeratino ExDerience for Unit 1  !

i The Unit began this reporting period in Mode 1 (Power

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i Bs OPE' RATING DATA REPORT UNIT ONE DOCKET NO.: 050-454 UNIT: Byron One DATE: 11/08/96 COMFILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: October, 1996 Gross Hours: 745

' . 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. 745 7,320 97,537
6. Rx Critical Hours 745 5,202.2 80,421.5
7. Rx Reserve Shutdown Hours 0 0 38
8. Hours Generator on Line 745 5,124.4 79,624
9. Unit Reserve Shutdown Hours 0 0 0
  • 10. Gross Thermal EnerTy (MWH) 2,448,419 16,268,911.8 244,033,866.8
11. Gross Elec. Energy (MWH) 846,078 5,551,609 82,607,867
12. Net Elec. Energy (MWH) 807,076 5,269,566 78,322,026 j
13. Reactor Service Factor 100 71.07 82.45
14. Reactor Availability Factor 100 71.07 82.49
15. Unit Service Factor 100 70.01 81.63
16. Unit Availability Factor 100 70.01 81.63
17. Unit Capacity Factor (MDC net) 98.04 65.15 72.67
18. Unit Capacity Factor (DER net) 96.73 64.28 71.70 1
19. Unit Forced Outage Hrs. 0 38.9 1,833.4
20. Unit Forced Outage Rate 0 0.75 2.25
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 Operation): None i

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

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n C. AVE'R AGE DAILY UMIT POMER LEVEL UNIT ONE DOCKET NO.: 050-454 UNIT: Byron One s'

i DATE: 11/08/96 i COMPILED BY: J. Vogl

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TELEPHONE: (815)234-5441  !

x2282 1 MONTH: October, 1996 i  !

DAY AVERAGE DAILY POWER LEVEL l

(MWe-Net) 1, 1073 MW 16. 1084 MW

2. 1077 MW 17. 1086 MW i
3. 1083 MW 19. 1094 MW i
4. 1080 MW 19. 1032 MW 5, 1078 MW 20. 1091 MW
6. 1066 MW 21, 1096 MW 7 .. 1018 MW 22. 1093 MW
8. 1087 MW 23. 1100 MW
9. 1089 MW 24. 1098 MW
10. 1091 MW 25, 1092 MW
11. 1090 MW 26, 1088 MW
12. 1084 MW 27. 1081 MW
13. 1082 MW 28. 1091 MW
14. 1090 MW 29. 1085 MW l l
15. 1084 MW 30, 1091 MW ]

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31. 1092 MW l l

INSTRUCTIONS ,

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on this form list the average daily unit power level in MWe-Net for each day in i the reporting month. Compute to the nearest whole megawatt. These figures I will be used to plot a graph for each reporting month. Note that when maximum l 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 app:: rent anomaly.

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  • BYRON
  • Report Period: October, 1996 UNIT SHUTDOWNS / REDUCTIONS (UNIT 1) ************************** .

No. Dc;e Type Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence No shutdowns or majc,r derating reductions for Unit One.

  • Summary
  • _T_T/E Reason Method System & Comnonent 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).

(pi\96byrltrs\960289.wpf-6)

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. . i E. UNIOUE REPORTING REOUIREMENTS (UNIT 1) for the month of October, 1996 i

1. Safety / Relief valve operations for Unit One. ,

l VALVES NO & TYPE PLANT DESCRIPTION .

DATE ACTUATED ACTUATION CONDITION OF EVENT None

2. Licensee generated changes to ODCM.

None

3. Indications of failed fuel. .

t No. Fuel Reliability Indicator: FRI = 2.5 E-5 pCi/CC l

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f. LICENSEE EVENT REPORTS (UNIT 1)

I The following is a tabular summary of all Licensee Event Reports for Byron Nuclear i Power Station, Unit One, occurring during the reporting period, October 1, 1996 through October 31, 1996. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

j Occurrence Licensee Event Report Number Date Title of Occurrence 454-100-96-0019 10/15/96 SX Cooling Tower Basin Inspection Revealed Silt Buildup Exceeding Surveillance Acceptance.

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II. Monthly Report for Byron UNIT 2 for the month of October, 1996 l

l A. Summary of Ooeratino Excerience for Unit 2 )

The Unit began this reporting period in Mode 3 (Hot Standby).

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B. OPERATIMG DATA REPORT UNIT TWO DOCKET NO.: 050-455 UNIT: Byron Two DATE: 11/08/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: October, 1996. Gross Hours: 745 )
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) l

3. Power Level to Which Restricted (If Any) : None l 4 Reasons for Restriction (If Any) : N/A THIS MONTH *in TO DATE CUMULATIVE
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5. Report Period Hrs. 745 7,320 80,641 l
6. Rx Critical Hours 672.4 5,803.8 70,058.7
7. Rx Reserve Shutdown Hours 0 0 0
8. Hours Generator on Line 635.1 5,761.9 69,382.6 j
9. Unit Reserve' Shutdown Hours 0 0 0
10. Gross Thermal Energy (MWH) 1,802,942 18,921,751.6 208,922,954.6
11. Gross Elec. Energy (MWH) 616,027 6,489,730 71,195,395
12. Net Elec. Energy (MWH) 584,411 6,189,216 67,660,383
13. Reactor Service Factor 90.26 79.29 86.88 I 14. Reactor Availability Factor 90.26 79.29 86.88
15. Unit Service Factor 85.25 78.71 86.04
16. Unit Availability Factor 85.25 78.71 86.04
17. Unit Capacity Factor (MDC net) 70.99 76.52 75.93
18. Unit Capacity Factor (DER net) 70.04 75.49 74.91
19. Unit Forced Outage Hrs. 0 416.2 1,815.4 )
20. Unit Forced Outage Rate 0 6.74 2.55
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 ,

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

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1 Cr -AVERAGE DMLY UNIT POWER LEVEL UNIT TWO DOCKET NO.: 050-455 UNIT: Byron Two DATE: 11/08/96 I COMPILED BY: J. Vogl

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TELEPHONE: (815)234-5441 '

x2282 MONTH: October, 1996 I DAY _ AVERAGE DAILY POWER LEVEL )

(MNe-Net) i

1. -14 MW 16. 1061 MW l i

2, -14 MW 17. 1096 MW )

3. -14 MW 18. 1109 MW
4. -14 MW 19, 1116 MW
5. 54 MW 20. 1094 MW 1
6. 215 MW 21. 1099 MW i
7. 244 MW 22. 1094 MW i
8. 462 MW 23. 1096 MW
9. 470 MW ,,

24, 1085 MW l

10. 690 MW 25. 1077 MW 11, 775 MW 26. 1073 MW 12, 768 MW 27. 1094 MW l
13. 976 MW 28. 1116 MW l l

14, 1063 MW 29. 1110 MW I

15. 10C4 MW 30. 1123 MW I
31. 1125 MW INSTRUCTIONS On this form list the averagc 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
  • Repcrt Period: October, 1996 UNIT SHUTDOWNS / REDUCTIONS (UNIT 2) ************************** ,

No. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence 5 10/05/96 S 109:56 C 4 B2R06 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 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 2) for the month of October, 1996

1. Safety / Relief valve operations for Unit Two.

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 = 6.6 E-5 pCi/cc

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l 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, October 1, 1996 through October 31, 1996. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

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Licensee Event Report Number Date Title of Occurrence None.

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