ML20117M385

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Monthly Operating Repts for May 1996 for Byron Nuclear Power Station
ML20117M385
Person / Time
Site: Byron  Constellation icon.png
Issue date: 05/31/1996
From: Kofron K, Vogl J
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-96-0167, BYRON-96-167, NUDOCS 9606180468
Download: ML20117M385 (14)
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Text

Onnnuinwealth 1.dhon Company

., . Ilyron Generating station 4150 North Gernun Chur(h Road Ilyron,11. 610109791 Tel HI5 2305141 June 10, 1996 LTR: BYRON 96-0167 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 May 1 through May 31, 1996.

Sincerely, o

K. L. of.on Station Manager Byron Nuclear Power Station KLK/JV/mn cc: II . 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.

9606180468 960531 PDR ADOCK 05000454 R PDR (p:\96byrttrs\960167wpf\0610%\1) f'p i

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b BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 LICENSE NO. NPF-66 I

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I. Nonthlv Report for Byron UNIT 1 for the month of May, 1996 4

A. Suttimary of Operatina Experience for Unit 1 1

The Unit began this reporting period in Mode 6 (Refueling),

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B. OPERATING DATA REPORT UNIT ONE

. DOCKET NO.- 050-454

- UNIT: Byron One DATE: 06/10/96 l COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 l OPERATING. STATUS

1. Reporting Period: May, 1996 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 3,647 93,864
6. Rx Critical Hours 0 2,282.3 77,501.6
7. Rx Reserve Shutdown Hours 0 0 38 I 8. Hours Generator on Line 0 2,282.1 76,781.7
9. Unit Reserve Shutdown Hours 0 0 0 l
  • 10. Gross Thermal Energy (MWH) 0 7,519,181.8 235,284,136.8
11. Gross Elec. Energy (MWH) 0 2,563,845 79,620,103
12. Net Elec. Energy (MWH) -9,239 2,431,280 75,483,740 ,

l l 13. Reactor Service Factor 0 62.58 82.57 l

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14. Reactor Availability Factor 0 62.58 82.61 1 1
15. Unit Service Factor 0 62.57 81.80
16. Unit Availability Factor 0 62.57 81.80 j
17. Unit Capacity Factor (MD2 r.et) -1.12 60.33 72.78
18. Unit Capacity Factor (DER net) -1.11 59.52 71.80
19. Unit Fcrced Outage Hrs. 0 0 1,794.5
20. Unit Forced Outage Rate 0 0 2.28
21. Shutdowns Scheduled Over Next 6 Months: None
22. If Shutdown at End of Report Period, Estimated Date of Startup: 7/05/96
23. Units in Test Status (Prior to Commercial Operation) None j l
  • 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: 06/10/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 MONTH: May, 1996 DAY AVERAGE DAILY POWER LEVEL (MWe-Net) ,

1. -13 MW 16. -12 MW
2. -13 MW 17. -12 MW
3. -12 MW _ 18. -13 MW
4. -12 MW 19. -13 MW
5. -12 MW 20. -13 MW
6. -12 MW 21. -13 MW
7. -12 MW 22. -13 MW
8. -12 MW 23. -10 MW
9. -13 MW 24. -10 MW
10. -12 MW 25. -10 MW
11. -12 MW 26. -10 MW
12. -12 MW 27. -11 MW
13. -12 MW 28. -13 MW
14. -12 MW 29. -14 MW

, 15. -12 MW 30. -13 MW

31. -13 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: May 1996 UNIT SHUTDOWNS / REDUCTIONS '* ~ BYRON- - *

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

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

2 5/01/96 S 744 C 4 Continue BIR07 t

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  • Summary *  !

I TYPE Reason Method System & Component  ;

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F-Forced A-Equip Failure F-Admin 1-Manual Exhibit F & H I 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) r I

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S E. UNIOUE REPORTING REOUIREMENTS (UNIT 1) for the month of May, 1996

- 1. Safety / Relief valve operations for Unit One, j VALVES NO & TYPE PLANT DESCRIPTION j DATE ACTUATED ACTUATION CONDITION OF EVENT None

2. Licensee generated changes to ODCM.

None

3. Indicacitna of failed fuel.

No. Fuel Reliability Indicator: N/A i

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, F. LICENSEE EVENT REPORTS (UNIT 1)

The .following is a tabular surr. mary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, occurring during the reporting period, May 1, 1996 *'"ough May 31, 1996. This information is provided pursuant to the reportable t rrence reporting requirements ao set forth in 10CFR 50.73.

Occurrence Licensee Event Report Number p_ah Title of Occurrence -

454-180-96-0007 05/23/96 Loss of Offsite Power on Unit 1.

454-180-96-0008 05/28/96 Fuel Assemblies Located in Incorrect Region of Spent Fuel Pool.

454-180-96-0009 05/07/96 SI Flow Above Tech. Spec.

Limits.

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l II, Monthly ReDort for Byron UNIT 2 for the month of May, 1996 A. Summary of Operatina Experience for Unit 2 The Unit began this reporting period in Mode 1 (Power Operations).

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, B. OPERAT7NG DATA REPORT' UNIT TWO-DOCKET NO.: 050-455-UNIT: Byron Two DATE: 06/10/96 COMPILED BY: 'J.-Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

-1. Reporting Period: May, 1996. Gross Hours: 744 2 Currently Authorized Po'.;er evel: 3411 (MWt)

Design Electrical. Rating: 1175 (MWe-gross)

Design Electri:al 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 3,647 76,968
6. Rx Critical Hours 585.5 3,488.5 -67,743.4
7. Rx Reserve Shutdown Hours 0 0 0
8. Hours Generator on Line 581.1 3,484.1 67,104.8
9. Unit. Reserve Shutdown Hours 0 0 0

'10. Gross Thermal Energy (MWH) 1,919,793 11,748.661 201,749,863 11- Gross Elec. Energy (MWH) 657,017 4,045,150 68,750,815

12. Net Elec. Energy (MWH) 632,859 3,879,106 65,350,273
13. Reactor Service Factor 78.70 95.65 88.02 14.' Reactor Availability Factor 78.70 95.65 88.02
15. Unit Service Factor 78.10 95.53 87.19
16. Unit Availability Factor 78.10 95.53 87.19 4

j 17. Unit Capacity Factor (MDC net) 76.98 96.26 76.84 ]

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18. Unit Capacity Factor (DER net) 75.95 94.97 75.81 l l 19. Unit Forced Outage Hrs. 162.9 162.9 1,562.1
20. Unit Forced Outage Rate 21.9 4.47 2.27 i,
21. Shutdowns Scheduled Over Next 6 Months: 1 (B2R06)
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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C. AVERAGE DAILY UNIT POWER LEVEL UNIT TWO DOCKET NO.: 050-455 UNIT: Byron Two DATE: 06/10/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 MONTH: May, 1996 l

DAY AVERAGE DAILY POWER LEVEL l (MWe-Net)

1. 1126 MW 16. 1132 MW i
2. 1126 MW 17. 1117 MW l
3. 1126 MW 18. 1110 MW
4. 1125 MW 19. 1107 MW
5. 1047 MW 20. 1126 MW
6. 1140 MW 21. 1126 MW
7. _

1139 MW 22. 1123 MW

8. 1133 MW 23. 368 MW
9. 1128 MW 24. -9 MW
10. 1134 MW 25. -10 MW
11. 1141 MW 26. -9 MW
13. 1143 MW 27 -10 MW
13. 1141 MW 28. -12 MW 14, 113 9 MW 49. -14 MW 15, 1135 MW 30. 353 MW 31, 938 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 anome.ly. ,

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Report:PeriodE May, 1996 UNIT SHUTDOWNS / REDUCTIONS * '

BYRON- .*

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

-No. Date Tvoe Hours Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence 1 5/23/96 -F 162:58 H 2- AP SAT At 0804 5/23/96 SAT 142-2 Had A Deluge Actuation.

B2F16 Caused By Water Intrusion Into The 4 KV Non-Segregated Bus Duct .

  • 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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O E. UNIOUE REPORTING REOUIREMENTS (UNIT 2) for the month of Mav. 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 = 1.6 E-5 pCi/CC I

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

Occurrence Licensee Event Report Number Date Iltle of Occurrence None i

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