ML20078H782

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Monthly Operating Repts for Oct 1994 for Byron Nuclear Power Station
ML20078H782
Person / Time
Site: Byron  Constellation icon.png
Issue date: 10/31/1994
From: Colglazier R, Schwartz G
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-94-0437, BYRON-94-437, NUDOCS 9411180104
Download: ML20078H782 (14)
v • d • e


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Byron Nuclear Staton 4450 North German Church Fbad Byron, Illinois 61010 November 3, 1994 l

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LTR: BYRON 94-0437 ,

FILE: 2.7.200 j Director, Office of Management Information and Program Control United States Nuclear Regulatory Commission Washington, D.C. 20555 ATTN: Document Control Desk l

Gentlemen: l Enclosed for your information is the Monthly Performance Report covering Byron Nuclear Power Station for the period October 1 through October 31, 1994.

Sincerely, Y i

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G. K. Schwartz Station Manager Byron Nuclear Power Station GKS/RC/rp l l

cc: l J.B. Martin, NRC, Region III 1 NRC Resident Inspector Byron IL Dept. of Nuclear Safety Regulatory Services Manager Nuclear Fuel Services, PWR Plant Support D.R. Eggett, Station Nuclear Engineering INPO Records Center i l

G.F Dick, Jr. - USNRC F. Yost - Utility Data Institute, Inc.

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9411100104 941031 PDR ADDCK 05000454 /

R PDR \

(9928MM/110394/1)

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BYRON NUCLEAR POWER STATICN  :

UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT 4

I COMMONWEALTH EDISON COMPANY i NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 1

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

(9928MM/110394/2)

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I. Monthly Reoort for Byron UNIT 1 for the month of October 1994 A. Summary of OoeratincJ Exoerience for Unit 1 i

I The Unit began this reporting period in Mode 6 (Refueling Operations).

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(9928MM/110394/3)

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B. OPERATING DATA REPORT DOCKET NO.: 050-454 ]

UNIT: Byron One DATE: 11/03/94 COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: October, 1994. 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)

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

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4. Reasons for Restriction (If Any): N/A' i THIS MONTH YR TO DATE CUMULATIVE *
5. Report Period Hrs. 745 6,551 79,248

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6. Rx Critical Hours 0 6,000.4 66,810.9
7. Rx Reserve Shutdown Hours 0 0 38 l
8. Houra Generator on Line 0 5,999.6 66,131.7 l
9. Unit Reserve Shutdown Hours 0 0 0
  • 10. Gross Thermal Energy (MWH) 0 19,241,053 201,302,152
11. Gross Elec. Energy (MWH) 0 6,245,959 68,064,504 ,

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12. Net Elec. Energy (:MWH) -9,660 5,943,091 64,497,426
13. Reactor Service Factor 0 91.60 84.31
14. Reactor Availability Factor 0 91.60 84.35 l
15. Unit Service Factor 0 91.58 83.45
16. Unit Availability Factor 0 91.58 83.45
17. Unit Capacity Factor (MDC net) 0 81.98 73.65
18. Unit Capacity Factor (DER net) 0 80.88 72.67
19. Unit Forced Outage Hrs. 0 0 1,498.2
20. Unit Forced Outage Rate 0 0 2.22
21. Shutdowns Scheduled Over Next 6 Months: 0 0 0

, 22. If Shutdown at End of Report Period, Estimated Date of Startup: 11/01/94 l

  • 23. Units in Test Status (Prior to Commercial Operation): None
  • Note - The cumulative numbers do not reflect power generated prior to commercial service.

(9928MM/110394/4)

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'C. AVERAGE DAILY UNIT POWER LEVEL i DOCKET NO.: 050-454 UNIT: Byron One DATE: 11/03/94 COMPILED BY: R. Colglazier  !

TELEPHONE: (815)234-5441 '

x2282 MONTH: October, 1994 i

I DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. -12 MW 16. -12 MW
2. -12 MW 17. -13 MW
3. -12 MW 18. -13 MW 4 -12 MW 19. -12 MW
5. -12 MW 20. -13 MW
7. -12 MW 22. -13 MW
8. -12 MW 23. -13 MW
9. -12 MW 24. -13 MW
10. -13 MW 25. -13 MW
11. -13 MW 26. - 13 MW
12. -12 MW 27. -14 MW 13 -12 MW 28. -14 MW 142 -12 MW 29. -14 MW
15. -12 MW 30. -14 MW
31. -14 MW a

INSTRUCTIONS e

On this fer" list the average daily unit power level in MWe-Net for each day in the report - a month. Compute to the nearest whole megawatt. These figures will be w d to plot a graph for each reporting month. Note that when maximum depenasi: capacity is used for the net electrical rating of the unit there may be occasaons when the daily average power level exceeds the 100% line (or the restricted power level line.) In such cases the average daily unit power autput sheet should be footnoted to explain the apparent anomaly.

(9928MM/110394/5)

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Report Period: October, 1994

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

, No. Date Type HQurs Reason Method LER Number System Comronent Cause & Corrective Action to Prevent Recurrence 5 10/01/94 S 744 C 4 BIR06 1 i I

  • 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 ,

i E-Operator Training 5-Reduced Load Licensee Event Report

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

(9928MM/110394/6)

. - - - , - - - - , , , , . - . .. , - . , -,m-, %-v--- - ,,

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E. UNIOUE REPORTING REOUIREMENTS (UNIT 1) for the month of October, 1994 '

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1. Safety / Relief valve operations for Unit One.

VALVES NO & TYPE PLANT DESCRIPTION DATE ACTUATED ACTUATION CONDITION OF EVENT l 3

10-29-94 S/U 1B S/G PORV i

2. Licensee generated changes to ODCM.

None i

3. Indications of failed fuel.

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

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I (9928MM/110394/7)

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.-.~. ... .-. ..-...._._ - .-.. -... - . . . - -. .

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, . F. LICENSEE EVENT REPORTS (UNIT 1) l The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit one, occurring during the reporting period, October 1, 1994 through October 31, 1994. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

i Occurrence l Licensee Event ReDort Number pate Title of Occurrence i

454: 94-012 10/06/94 Steam Generator Tube Degradation.  ;

l 454: 94-013 ,

/10/94 Breaker Found In Wrong Position.

2 454 94-014 09/15/94 Diesel-Generator Operability Concern In Mode 5.

454: 94-015 10/14/94 Shift Foreman Left MCR During SCRE Duty.

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( 9928 MM/1103 94 /8 )

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C. Jug _RJAGE DAILY UNIT POWER LEVEL DOCKET NO. 050-455 ,

UNIT: Byron Two l DATE: 11/03/94 COMPILED BY: R. Colglazier ,

TELEPHONE: (815)234-5441 j x2282 j i

MONTH: October, 1994 DAY AVERAGE DAILY POWER LEVEL ]

(MKe-Net) ,

1. 1120 MW 16. 1117 MW ,
2. 1090 MW 17. 1112 MW
3. 1122 MW 18. 1113 MW ,
4. 1121 MW 19. 1116 MW
5. 1122 MW 20, 1120 MW  ;

I 6, 1116 MW 21. 1113 MW

7. 1117 MW 22. 1115 MW ,
8. 1127 MW 23. 1120 MW
9. 1126 MW 24. 1120 MW
10. 1117 MW 25, 1121 MW 't
11. 1122 MW 26. 1110 MW
12. 1126 MW 27. 1098 MW
13. 1126 MW 28. 1097 MW
14. 1120 MW 29. 1099 MW
15. 1120 MW 30. 971 MW
31. 1100 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.

(9928MM/110394/11)

B. OPERATING DATA REPORT DOCKET NO.. 050-455

, UNIT: Byron Two DATE: 11/03/94 COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: October, 1994. 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)

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 7,296 63,597
6. Rx Critical Hours 745 7,245.5 55,051.4
7. Rx Reserve Shutdown Hours 0 0 0
8. Hours Generator on Line 745 7,240.2 54,445.8
9. Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal Energy (.MWH) 2,489,426 24,014,546 160,086,473 I
11. Gross Elec. Energy (MWH) 860,886 8,261,347 54,444,621
12. Net Elec. Energy (lMWH) 827,767 7,897,011 51,680,238
13. Reactor Service Factor 100 99.31 87.25 l
14. Reactor Availability Factor 100 99.31 87.25 j
15. Unit Service Factor 100 99.24 86.29
16. Unit Availability Factor 100 99.24 86.29
17. Unit Capacity Factor (MDC net) 100.55 97.95 74 12
18. Unit Capacity Factor (DER net) 99.21 96.64 73 13
19. Unit Forced Outag, Hrs. 0 55.80 1,399.2 20.. Unit Forced Outage Rate 0 0.76 2 51
21. Shutdowns Scheduled Over Next 6 Months: 1 (B2R05)
22. If Shutdown at End of Report Period, Date of Startup: None
23. Units in Test Status (Prior to Commercial Operation)- None l
  • Note - The cumulative nu:sbers do not reflect power i generated prior to commercial service. l i

l (9928MM/110394/10)

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  • Repart Period: October, 1994 *
  • UNIT SHUTDCWNS/ REDUCTIONS BYRON (UNIT 2) **************************

No. Date Tyce Hours Reason Method LER Number System Comconent Cause & Corrective Action To Prevent Recurrence NO SHUTDOWr!S OR MAJOR REDUCTIONS FOR UNIT TWO IN OCTOBER 1

  • Summary
  • 4 *****..********

i TYPE Reason Method System & Comconent 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 l & License Examination 9-Other (LER) File (NUREG-0161) l (9928MM/110394/12)

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. . . . . . = -. . . . . . - . . . . . .- .. _ - . .

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II. Monthly Reoort for Byron UNIT 2 for the month of October 1994 A. Summary of OperatLna Exnerience for Unit 2 The Unit began this reporting period in Mode 1 (Power Operations).

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(9928MM/110394/9)

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E. UNIOUE REPORTING REOUIREMENTS (UNIT 2) for the month of October 1994 l l

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1. Safety / Relief valve operations for Unit Two. i i

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

2. Licensee generated changes to ODCM.

None

3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 3.15 E-5 pCi/CC t

+

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l (9928MM/110394/13) i I

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P. LICENSEE EVENT REPORTS (UNIT 2)

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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, 1994 through October 31, 1994. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73. ,

Occurrence  ;

Licensae Event Reoort Number Date Title of Occurrence None  !

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(9928hM/110394/14)

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