ML20210L406

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Monthly Operating Repts for Jul 1997 for Byron Nuclear Power Station,Units 1 & 2
ML20210L406
Person / Time
Site: Byron  Constellation icon.png
Issue date: 07/31/1997
From: Vogl J
COMMONWEALTH EDISON CO.
To:
Shared Package
ML20210L395 List:
References
NUDOCS 9708210131
Download: ML20210L406 (13)
v • d • e


Text

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BYRON NUCLEAR POWER STATION E

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 4

9708210131 970812 PDR ADOCK 0500 ]4 4 R

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,' . 'I . - Monthly Report for Byron UNIT 1 for the month of July, 1997.

A. Summary of Operating Experience. for Unit 1 The_ Unit began this reporting period in Mode 1 (Power Operations),

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B. OPERATING DATA REPORT UNIT ONE DOCKET NO.: 050-454 UNIT: Byron One

, DATE: 08/12/97

' COMPILED BY: J. Vogl TELEPHONE:. (015)234-5441 x2282 OPERATING STATUS

~

1. - Reporting Period: July, 1997 Gross Hourst- 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 5,087 104,088
6. Rx Critical Houts .744 4,558.8 86,444.3 i
7. Rx Reserve Shutdown Hours 0 0 38
8. Hours Generator on Line 744 4,512.1 85,600.1
9. Unit Reserve Shutdown Hours 0 0 0
  • 10. Gross Thermal Energy (MWH) 2,445,005 14,646,845 263,466,115.0
11. _ Gross Elec. Energy (MWH) 832,026 5,033,717 89,298,738
12. Net Elec. Energy (MWH) 792,899 4,786,873 84,691,628
13. Reactor Service Factor 100 89.62 83.05 I
14. Reactor Availability Factor 100 89.62 83.09
15. Unit Service Factor 100 88.70 82.24
16. Unit Availability Factor 100 88.70 82.24
17. Unit Capacity Factor (MDC net) 96.45 85.16 73.63
10. Unit Capacity Factor (DER nat) 95.15 84.02 72.65

-19. Unit Forced Outage Hrs. 0 79 .,912.4

20. Unit Forced Outage Rate 0 1,72 2.19
21. Shutdowns Scheduled Over .. ext 6 Months: BIR08
22. If Shutdown at End of Report Period, Estimated Date of Stsrtup: None
23. Units in Test Status (Prior to Commercial Operation): None
  • Note - The cumulative 1. umbers do not reflect power generated prior to commercial service.

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I

C. AVERAGE DAILY UNIT-POBER LEVEL UNIT ONE DOCKET No.: 050-454 UNIT:- Byron One

, DATE: 08/12/9*/

COMPILED BY: J. Vogl TELEPHONE: (815)234-5441-x2282 MONTH: July, 1997 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)-

l. 1054 MW 16. 1076 MW
2. 1057 MW 17. 1077 MW
3. 1068 MW 18. 1078 MW
4. 1J72 MW 19.- 1081 MW
5. 1069 MW 20. 1077 MW
6. - -1062 MW 21. 1080 MW
7. 971 MW 22, 1085 MW 8._ 1049 MW 23. 1086 MW 9, 1075 MW 24. 1086 MW
10. 1009 MW 35. 1074 MW-

'11, 1088-MW 2 6.- 1067 MW-

12. 1081 MW; 27, 1030 MW-
13. 1074-MW 2 8 .' - 1025 MW

-14, 1077 MW 29. 1043 MW

15. 1079 MW ,
30. 1085 MW

-l

31. . ~~1087 MW INSTRJCTIONS

-On this fetm list the averago 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, ipt\$% yrttssit74191.wpf 5)

BYRON Report Period: July, 1997 UNIT. SHUTDOWNS / REDUCTIONS (UNIT 1)~ .

l No. Date Type.. Hours Reason Method LER Number -System Component Cause & Corrective Action to Prevent Recurrence

.I NO SHUTDOWNS OR MAJOR PEDUCTIONS'FOR UNIT ONE IN JULY.

Summary Reason Method System & Componer;t TYPE 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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i-E. UNIQUE REPORTING REQUIREMENTS (UNIT 1) for the month of July, 1997

1. Safety / Relief valve operations for Unit One.

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 = 9.29 E-6 pCi/CC

. (pt \97bytitts\ 979191.wpr-7),

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, July 1, 1997 through July 31, 1997. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licensee Event Report Number Date Title of Occurrence None i

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4-

. II. Monthly Report for Byron UNIT 2 for the month of July, 1997 A.. Summary of Operating Experience for Unit 2 The Unit began this reporting period in Mode 1 (Power Operations).

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B. OPERATING DATA REPORT UNIT Tt50 DOCKET NO.: 050-455 L

UNIT: Byron Two

., DATE: 08/12/97 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282

. OPERATING. STATUS

1. Reporting Period: July, 1997. Gross. Hours: 744
2. Currently Authorized Power Level: .3411 (MWt)

' Design Electrical Rating: 1175 (MWe-grossi Design. Electrical Rating: 1120 (MWe-net)

Max-Dependablo 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 5,087 87,192
6. Rx Critical Hours 744 4, 97 ti . 3 76,499 7.. Rx Reserve Shutdown Hours. 0 0 0

-8. Hours Generator on Line 744 4,950.1 75,796.7

9. . Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal Energy (MWH) 2,472,252 16,413,760 230,276,234.6 11.= Gross Elec, Energy (MWH) 839,404 5,627,659 78,528,148 12.-Net Elec. Energy (MWH) 803,625- 5,382,104 74,674,075
13. Reactor Service Factor 100 97.82 87.74-
14. Reactor Availability Factor 100 97.82 87.74
15. Unit Service Factor 100 97.31 86.93

.16. Unit Availability Factor- 100 97.31 86.93

17. Unit Capacity Factor (MDC net) 97.75 95.75 77.51
18. Unit Capacity Factor (DER net) 96.44 .94.47 76.47-
19. Unit' Forced Outage Hrs. 0 0 1,815.4
20. Unit Forced Outage Rate -0 0 2.34

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

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C. AVERAGE DAILY UNIT POMER LEVEL UNIT TWO DOCKET NO.: 050-455 UNIT: Byron Two DATE: 08/12/97 COMPILED BY J. Vogl TELEPHONE: (815)234-5441 x2282

' MONTH:- ' July, 1997

' DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 1.- 1100 MW 16. 1100 MW

2. 1103 MW 17, 1102 MW 3.- 1115 MW 18. 1101 MW
4. 1120 MW 19, 1029 MW

-5. 1115 MW 20. 1100 MW

6. '1112 MW 21. 1105 MW

-~7. 1117 MW 22. 1111 MW 8, 1107 MW 23. 1110 MW

9. 1121 MW 24, 1108 MW
10. 1118 MW 25, 1094 MW
11. 1113 MW 26. 1083 MW

'12. 1104 MW 27. 1047 MW

13. _ 1097 MW 28. 868 MW

.14. 1099 MW 29. 773 MW 15 .' 1104 MW 30, 982 MW

31. 1112 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 nearese whole megawatt. .These figures twill be used to plot a graph for each reporting month. Note that when naximum 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.

. (pt\97bytitss\970191 wpt-11)

Report Period:' July, 1997  : UNIT SHUTDOWNS / REDUCTIONS BYRON (UNIT 2) ,

o t Date l. Type Hours Reason Method'LER Number System Component Cause & Corrective Action To Prevent Recurrence

_No NO SilU7DOW!S OR MAJOR REDUCTIONS FOR UNIT TWO IN JULY.

            • +********
  • Summary Reason Method System & Component TYPE F-Fcrced 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)

( p: \ 9 7tyr lt rs\ 910191.wpf- 123

E. UNIQUE-REPORTING REQUIREMENTS (UNIT 2) for the month of July, 1997

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 = 4.79 E-5 Ci/cc (p:19Toyaltrs\S70191 g f43)

l-. -

i

- ,3 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, July 1, 1997 through July 31, 1997. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73. ,

Occurrence

_ Licensee Event Report Number Date T_itle of Occurrence None (ps\97byritts\910141.wpf*14t

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