ML20070F258

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Monthly Operating Rept for June 1994 for Byron Nuclear Power Station Units 1 & 2
ML20070F258
Person / Time
Site: Byron  Constellation icon.png
Issue date: 06/30/1994
From: Colglazier R, Schwartz G
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-94-0251, BYRON-94-251, NUDOCS 9407180249
Download: ML20070F258 (14)
v • d • e


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[D)' C:mm::nw::lth Byron Nuclear StationEdison k O- 4450 North German Church Road Byron. Illinois 61010 4

1 July 8, 1994 i LTR: BYRON 94-0251 FILE: 2.7.200 (1.10.0101)

Director, Office of Management Information and Program control United States Nuclear Regulatory Commission Washington, D.C. 20555 ATTN: Document Control Desk Gentlemen:

Enclosed for your information is the Monthly Performance Report covering Byron Nuclear Power Station for the period June 1 through June 30, 1994.

Sincerely, i

/G. -K. Schwartz Station Manager Byron Nuclear Power Station GKS/RC/mn cc:

J.B. Martin, NRC, Region III NRC Resident Inspector Byron IL Dept. of Nuclear Safety Nuclear Licensing Manager Nuclear Fuel Services, PWR Plant Support D.R. Eggett, Station Nuclear Engineering INPO Records Center G.F. Dick, Jr. - USNRC F. Yost - Utility Data Institute, Inc.

(9928MM/070894/1) 9407180249 94rv'o /

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a BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONNEALTH EDISON COMPANY NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 LICENSE FO. NPF-66 (9928MM/070894/2) e

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l I, Monthly Reoort for Byron LWir 1 for the month of June 1994 j i

E m gummary of Ooeratina Exnerience for Unit 1 l The Unit began this reporting period in Mode 1 (Power Operations).

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i' The power level varied due to load following requirements.

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B. OPERATING n&TA REPORT DOCKET NO.. 050-454

, UNIT: Byron One DATE: 07/08/94 COMPILED BY: R. Colglazier l TELEPHONE: (815)234-5441 x2282 )

OPERATING STATUS

1. Reporting Period: June, 1994. Gross Hours: 720 i i
2. Currently Authorized Power Level: 3411 (MWt) -!

Design Electrical Rating: 1175 (MWe-gross) l Design Electrical Rating: 1120 (MWe-net) f Max Dependable Capacity: 1105 (MWe-net)

3. Power Level to Which Restricted (If Any) : None i
4. Reasons for Restriction (If Any) : N/A THIS MONTH YR TO DATE CUMULATIVE *
5. Report Period Hrs. 720 4,343 77,040 i
6. Rx Critical Hours 720 4,343 65,153.5 j 7 Rx Reserve Shutdown Hours 0 0 3B *
8. Hours Generator on Line 720 4,343 64,475.1
9. Unit Reserve Shutdown Hours 0 0 0 {,
  • 10. Gross Thermal Energy (MWH) 2,406,999 14,542,143 197,603,242
11. Gross Elec. Energy (MWH) 820,312 4,993,782 66,812,327
12. Net Elec. Energy (MWH) 783,872 4,775,248 63,338,583
13. Reactor Service Factor 100 100 84.57
14. Reactor Availability Factor 100 100 84.62
15. Unit Service Factor 100 100 83.69
16. Unit Availability Factor 100 100 83.69
17. Unit Capacity Factor (MDC net) 98.53 99.50 74.40 I
18. Unit Capacity Factor (DER net) 97.21 98.17 73.41
19. Unit Forced Outage Hrs. 0 0 1,498.2
20. Unit Forced Outage Rate 0 0 2.27
21. Shutdowns Scheduled Over Next 6 Months: 1 (B1R06)  !

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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.

(9928MM/070894/4)

C. AVEP3dE DAILY UNIT POWER LEVEL DOCKET NO.: 050-454 UNIT: Byron One DATE: 07/08/94 COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 x2282 MONTH: June, 1994 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 1112 MW 16. 1087 MW
2. 1119 MW 17. 1088 MW
3. 1117 MW 18. 1088 MW
4. 1104 MW 19. 1091 MW
5. 1091 MW 20. 1090 MW
6. 1088 MW 21. 1088 MW
7. 1104 MW 22. 1092 MW B. 1118 MW 23. 1099 MW
9. 1117 MW 24. 1099 MW
10. 1093 MW 25. 1084 MW
11. 1047 MW 26, 1077 MW
12. 1100 MW 27. 1068 MW
13. 1093 MW 28. 1052 MW
14. 1084 MW 29. 1041 MW
15. 1084 MW 30. 1032 MW 31.

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/070894/5)

Report Period June, 1994

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

h Date TyDe Hours Reason Method LER Number System Compenent Cause & Corrective Action to Preveg Recurrence 2 06/24/94 S H 9 Unit One Began It's Coastdown to BIR06

  • 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/070894/6)

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l E. UNIOUE REPORTING REQUIREMENTS (UNIT 1) for the month of June. 1994

1. Safety /Reljef valve operations for Unit One.

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VALVES NO & TYPE PLANT DESCRIPTION DATE ACTUATED tscTUATION CONDITION OF EVENT {

None  !

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2. Licensee generated changes to ODCM.

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3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 3.8 E-5 pCi/CC f

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i F. LICENSEE EVENT REPORTS (UNIT 1)

The fol' lowing is a tabular summary of all Licensee Event Reports for l Byron Nuclear Power Station, Unit One, occurring during the reporting period, j June 1, 1994 through June 30, 1994. This information is provided pursuant to the ,

reportable occurrence reporting requirements as set forth in 10CFR 50."3.  !

Occurrence {

Licennee Eyent Report Number Date Title of Occurrence None ,

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II. Monthly Report for Byron UfiIT 2 for the month of June 1994 A. Summary of Operatina Exnerience for Unit 2 The Unit began this reporting period in Mode 1 (Power operations).

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4 (9928MM/070894 / 9)

B_ OPERATING DATA REPORT DOCKET NO.* 050-455  !

UNIT: Byron Two l DATE: 07/08/94 j COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: June, 1994. Gross Hours: 720
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, 720 4,343 60,144
6. Rx Critical Hours 720 4,343 52,148.9
7. Rx Reserve Shutdown Hours 0 0 0
8. Hours Generator on Line 720 4,343 51,548.6
9. Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal Energy (MWH) 2,413,890 14,495,946 150,567,873

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11. Gross Elec. Energy (MWH) 826,224 4,991,565 51,174,839  !
12. Net Elec, Energy (MWH) 789,910 4,774,762 48,557,989
13. Reactor Service Factor 100 100 86.71 l
14. Reactor Availability Factor 100 100 86.71
15. Unit Service Factor 100 100 85.71
16. Unit Availability Factor 100 100 85.71
17. Unit Capacity Factor (MDC net) 99.28 99.49 73.06
18. Unit Capacity Factor (DER net) 97.96 98.16 72.09 ,
19. Unit Forced Outage Hrs. 0 0 1,343.4
20. Unit Forced Outage Rate 0 0 2.54 21, .thutdowns Scheduled over Next 6 Months: 0
22. Lf Shutdown at End of Report Period, Date of Startup: None
23. Jnits 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/070894/10)

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c. AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.. 050-455 j UNIT: Byron Two '

DATE: 07/08/94 j COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 i x2282 MONTH: June, 1994

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

1. 1115 MW 16, 1092 MW
2. 1121 MW 17. 1093 MW
3. .. 1119 MW 18, 1091 fed -t i
4. 1083 MW 19. 7086 MW ,
5. 1046 MW 20. 1042 MW 6, 1095 MW 21. 1097 MW
7. 1106 MW 22. 1103 MW 5
8. 1078 MW 23. 1107 MW .
9. 1099 MW 24, 1106 MW
10. 1115 MW 25. 1102 MW ,
11. 110 8 MW 26, 1103 MW l 8

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12. 1100 MW 27, 1107 MW '

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13. 1098 MW 28, 1102 MW 29, 1105 MW
14. _ LOB 9 MW f 15, 1099 MW 30, 1104 MW l t
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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 j 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 l restricted power level line.) In such cases the average daily unit power t output sheet should be footnoted to explain the apparent anomaly.

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-(9928MM/070894/11) {

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Report Period June, 1994 UNIT SHUTDOWNS / REDUCTIONS

  • BYRON *

(miIT 2) ***************+++++++++++

jiL Date TvDe Ecurs Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence NO SHUTDOWNS OR MAJOR REDUCTIONS FOR UNIT TWO i

                        • +++
  • Summary *

+*e++**********

"TPE Reanen 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-9161)

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(9928MM/070894/12) 4

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UltiL3E REPORTING F3OUIREMENTS (UNIT 2) for the month of June 1994 E.

1. Safety / Relief valve operations for Unit Two.

VALVES NO & TYPE PLANT DESCRIPTION  ;

DJs ACTUATED ACTUATION CONDITION OF EVENT .

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2. Licensee generated changes to ODCM.

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3. Indications of failed fuel. f No. Fuel Reliability Indicator: FRI = 2.6 E-5 pCi/CC l I

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r. LICENSEE EVENT REPORTS (UNIT 2) I The following is a tabular summary of all Licensee Event Reports for  !

Byron Nuclear Power Station, Unit Two, occurring during the reporting period, l June 1, 1994 through June 30, 1994. This information is provided pursuant to the l reportable occurrence reporting requirements as set forth in 10CFR 50.73. )

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Occurrence [

Licannee Event Report Number Date Title of Occurrence ,

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(9928FN/070894 /14) )

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