ML20063H330

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Monthly Operating Repts for Jan 1994 for Byron Nuclear Station Units 1 & 2
ML20063H330
Person / Time
Site: Byron  Constellation icon.png
Issue date: 01/31/1994
From: Colglazier R, Schwartz G
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-94-0050, BYRON-94-50, NUDOCS 9402170320
Download: ML20063H330 (14)
v • d • e


Text

Commonwaalth Edison C Byron Nuclear Station ge-% / 4450 North German Church Road

- +' Byron, Illinois 61010 February 4, 1994 LTR: BYRON 94-0050 FILE: 2.7.200 (1.10.0101)

Director, Office of Management Infonnation and Program Control United States Nuclear Regulatory Commission Washington, D.C. 20555 l

NITN: Document Control Desk ,

l Gentlemen:

Enclosed for your information is the Monthly Performance Report covering Byron Nuclear Power Station for the period January 1 ]

through January 31, 1994 l

Sincerely, JUlNY&j /<

G. K. Schwartz Station Manager Byron Nuclear Power Station GKS/RC/ng 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 -

J.B. Hickman - USNRC F. Yost - Utility Data Institute, Inc.

9402170320 940131 PDR R

ADOCK 05000454 \k k

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PDR (9928MM/WPF/020394 /1)

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BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 l

I MONTHLY PERFORMANCE REPORT i

COMMONWEALTH EDISON COMPANY ,

i NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 '

I LICENSE NO. NPF-66

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(992 BMM/WPF/020394 /2)

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10 I .' Monthly PeDort for Byron UNIT 1 for the month of January 1994 A Summary of Ooeratina Experience for Unit 1 ,

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

The power level varied due to load following requirements.

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., B. OPERATING DATA RERQBRT DOCKET NO.: 050-454 UNIT: Byron One DATE: 02/04/94 COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 ,

x2282  ;

OPERATING STATUS

1. Reporting Period: Janua ry, 1994. 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 i

THIS MONTH YR TO DATE CUMULATIVE *

5. Report Period Hrs. 744 744 73,441
6. Rx Critical Hours 744 744 61,554.5
7. Rx Reserve Shutdown Hours 0 0 38
8. Hours Generator on Line 744 744 60,876.1
9. Unit Reserve Shutdown Hours 0 0 0
  • 10. Gross Thermal Energy (IGM) 2,486,633 2,486,633 185,547,732
11. Gross Elec. Energy (MWH) 851,792 851,792 62,670,337
12. Net Elec. Energy (IDM) 814,554 814,554 59,377,889 .;
13. Reactor Service Factor 100 100 83.81
14. Reactor Availability Factor 100 100 83.87
15. Unit Service Factor 100 100 82.89
16. Unit Availability Factor 100 100 82.89
17. Unit Capacity Factor (MDC net) 99.08 99.08 73.17
18. Unit Capacity Factor (DER net) 97.75 97.75 72.19
19. Unit Forced Outage Hrs. 0 0 1,498.2
20. Unit Forced Outage Rate 0 0 2.40 21, Shutdowns Scheduled Over Next 6 Months: 0 0 0 4 1
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/WPF/020394 /4 )

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.l Cy AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.: 050-454' '

l UNIT: Byron One DATE: 02/04/94. .

COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 '

x2282 MON'IH : January, 1994 DAY AVERAGE DAILY POWER LEVEL (MWe-Net) l

1. 927 MW 16. 1099 MW ,;
2. 977 MW 17. 1108 MW
3. 1103 MW 18. 1105 MW
4. 1103 MW 19. 1104 MW ,
5. 1110 MW 20. 1102 MW
6. 1105 MW 21. 1090 MW __
7. 1116 MW 22. 1095 MW
8. ___

1113 MW 23, 1.112 MW 9, 1107 MW 24. 1117 MW  !

10. 1105 MW 25, 1116 MW 11, 1114 MW 26 . 1107 MW f
12. 1103 MW 27. 1103 MW
13. 1112 MW 28. 1107 MW [
14. 1109 MW 29. 1107 MW
15. 1106 MW 30. 1101 MW
31. 1045 MW  !

INSTRUCTIONS i 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 I will be used to plot a graph for each reporting month. Note that when maximum- I dependable capacity is used for the net electrical rating of the unit there may j 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.

l

'(9928MM/WPF/020394/5) l

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s Report Period January, 1994 UNIT SHUTDOWNS / REDUCTIONS

  • BYRON *

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

No. Date Type Hours Reason Method LER Nurber System Conrenent a Qause & Corrective Action to Preven _t; s

Recurrence NO SHUTDOWNS OR MAJOR REDUCTIONS FOR UNIT OtG r

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  • Summary
  • l TYPE Reason Method System & Comconent F-Forced A-Equip Failure F-Admin

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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 (9928MM/WPF/020394/6)

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E. UNIOUR REPORTING REOUIREMENTS (UNIT 1) for the month of January 1994 i

1. Safety / Relief valve operations for Unit One.

1 VALVES NO & TYPE PLANT DESCRIPTION D111g ACTUATED ACTUATION CONDITION OF EVEITI' None I

2. Licensee generated changes to ODCM. j The Offsite Dose Calculation Manual (ODCM) was revised effective =

January 1, 1994. This revision addressed changaa to support the new- I 10CFR20 implementation. These major changes include:

Whole body dose factors are now calculated using 1 cm depth as opposed to 5 cm.

Restricted Area Boundaries have been revised and are included in Appendix F. .

The Land Use Census (e.g. nearest resident, dairy and livestock) was used to update Appendix F tables.

Joint Frequency Distribution Tables were added for reference to Appendix F.

Revised Curie limits for radioactivity in unprotected tanks. I

['

?. Indications of failed fuel. '

.M. Fuel Reliability Indicator: FRI = 0 pCi/CC 4

(992SMM/WPF/020394/7) -

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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 reporting period, January 1, 1994 through January 31, 1994. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73. '

Occurrence Idcensee Event ReDort Number Dat;.t Title of Occurrence None r

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(9928MM/WPF/020394 /8)

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II. Monthly Reoort for Byron UNIT 2 for the month of January 1994 ,

A. Summary of Ooeratina Exnerlen.ce for Unit 2 The Unit began this reporting period in Mode 1 (Power Operations).

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p. OPERATING DATA REPDRI DOCKET NO.. 050 455 UNIT: Byron Two

. DATE: 02/04/94 COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: January, 1994. 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 *

6. Report Period Hrs. 744 744 56,545
6. Rx Critical Hours 744 744 48,549.9 7 Rx Reserve Shutdown Hours 0 0 .0
8. Hours Generator on Line 744 744 47,949.6 9, Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal Energy (10m) 2,450,108 2,450,108 138,522,035 I
11. Gross Elec. Energy (MWH) 844,132 844,132 47,027,406 12, Net Elec. Energy (MWH) 807,420 807,420 44,590,647
13. Reactor Service Factor 100 100 85.86
14. Reactor Availability Factor 100 100 85.86
15. Unit Service Factor 100 100 84.80
16. Unit Availability Factor 100 100 84.80
17. Unit Capacity Factor (MDC net) 98.21 98.21 71.37 18 Unit Capacity Factor (DER net) 96.90 96.90 70.41
19. Unit Forced Outage Hrs. 0 0 1,343.4
20. Unit Forced Outage Rate 0 0 2.73
21. Shutdowns Scheduled Over Next 6 Months: 0 0 0
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.

(9928MM/WPF/020394 /10)

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C. AVERAGE DMLY UNIT POWER LEVEL DOCKET NO.: 050-455

, UNIT: Byron Two

, DATE: 02/04/94 ,. q COMPILED BY: R. Colglazier ,

TELEPHONE: (815)234-5441 I x2282 MONTH: January, 1994 ,

DAY AVERAGE DAILY POWER LEVEL (MWe-Net) i

1. 953 MW 16 1098 MW
2. 757 MW 17 1106 MW >
3. 1010 MW 18, 1103 MW
4. 1101 MW 19. 1102 MW
5. 1103 MW 20. 1103 MW 6, 1104 MW 21. 1100 MW
7. 1086 MW 22. 1103 MW
8. 1110 MW 23. 1104 MW 4
9. 1108 MW 24, 1050 MW
10. 1105 MW 25, 1119 MW
11. 1087 MW '26. 1110 MW
12. 1104 MW 27. 1106 MW
13. 1117 MW 28. 1113 MW
14. 1115 MW 29. 1117 MW
15. 1106 MW 30. 1107 MW
31. 1120.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 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/WPF/020394/11) ,

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b Report Period January, 1994 UNIT SHUTDOWNS / REDUCTIONS

  • BYRON *

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

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No. Date Tvoe Hours Reason Method LER Number Svstem Component Cause & Corrective Action To Prevent Recurrence I 1 01/02/94 S H 5 Reduced Load Per Bulk Power Operations.

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  • Summary
  • 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 Preparv ion.of D-Regulatory Restriction 4-Continued Data Entry Sheet ,

E-Operator Training S-Reduced Load Licensee Event Report

& License Examination 9-Other (LER) File (NUREG-G161) i f

e (9928MM/WPF/020394 /12)

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E. UNIOUE REPORTING REQL71E]Q{ EFTS (UNIT 2) for the rnonth of January 1991 e

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1. Safety / Relief valve operations for Unit Two.

VALVES NO & TYPE PLANT DESCRIPTION 4 DATE ACTUATHQ ACTUATIOy CONDITIOtl OF EVENT None i

2. Licensee generated changes to ODC11. l The Offsite Dose Calculation Manual (ODCM) was revised effective January 1, 1994. This revision addressed changes to support the new 10CFR20 implementation. These major changes include:

Whole body dose factors are now calculated using.2 cm depth as opposed to 5 cm.

Restricted Area Boundaries have been revised and are included in Appendix F, ,

The Land Use Census (e.g. nearest resident, dairy and livestock) was used to update Appendix F tables.

Joint Frequency Distribution Tables were added for reference to Appendix F.

Revised Curie limits for radioactivity in unprotected tanks.

3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 5.5 E-5 pCi/CC i

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5 i

(9928MM/WPF/020394/13)

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F. LICEN,SEE 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, January 1, 1994 through January 31, 1994. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50,73.

1 Occurrence  :

Licensee Event Renort Numbgr Date Title of Occurr3nce  !

None e

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