ML20136H581

Monthly Operating Repts for Feb 1997 for Byron Nuclear Power Station,Units 1 & 2

ML20136H581
Person / Time
Site:	Byron
Issue date:	02/28/1997
From:	Kofron K, Vogl J COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-97-0046, BYRON-97-46, NUDOCS 9703190190
Download: ML20136H581 (14)

Text

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Commonwealth Ediwn Company II) ron Generating Station

. 4 650 North German Church Road lly ron, IL 6101(k9791

.Tel HI 5 231-54 il March 10, 1997 l

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LTR: BYRON 97-0046 FILE: 2.7.200 U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 ATTENTION: Document Control Desk

SUBJECT:

Monthly Operating Report Byron Nuclear Power Station, Units 1 and 2 NRC Docket Numbers: 50: 454 and 455 Gentlemen:

Enclosed for your information is the Monthly Operating Report covering Byron Nuclear Power Station for the period February 1 through I February 28, 1997.

Sincerely, K. L. Kf n Station Manager Byron Nuclear Power Station KLK/JV/rp

• cci A.B. Beach, Regional Administrator - RIII G. Dick, Byron Project Manager - NRR S. Burgess, Senior Resident Inspector - Byron Office of Nuclear Safety - IDNS INPO Records Center F. Yost - Utility Data Institute, Inc. \

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9703190190 970228 PCR ADOCK 05000454 R PDR l (p : \97byrltrs\970046.wpf-1) l A Unicom Company i

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l BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 i

MONTHLY PERFORP'_ANCE REPORT l

COMMONWEALTH EDISON COMPANY l l

NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 l

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

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I. Monthly Raport for Byron UNIT 1 for the month of February, 1997.

.A. Summary of Operatina 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: 03/10/97 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 l x2282

[ .1 OPERATING' STATUS l

1. Reporting Period: February,.1997 Gross Hours: 672

2. Currently Authorized Power Level: 3411 (MWt)

Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Rating: 1120 (MWe-net)

L 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 *

l. 5. Report Period Hrs. 672 1416 100,417

6. Rx Critical Hours 323.9 1067.9 82,953.4 I

7. Rx Reserve Shutdown Hours 0 0 38

! 8. Hours Generator on Line 323.1 .1067.1' 82,155.1

9. Unit Reserve Shutdown Hours 0 0 0 l

• 10. Gross Thermal Energy (MWH) 1,036,750 3,485,016 252,304,286.8

11. Gross Elec. Energy (MWH) 362,346 1,209,849 '85,474,870

12. Net Elec. Energy (MWH) 339,781 1,148,007 81,052,762.

13. Reactor Service Factor 48.20 75.42 E2.61 14 Reactor Availability Factor 48.20 75.42 82.65 l 15. Unit Service Factor 48.08 75.36 81.81 l

16. Unit Availability Factor 48.08 75.36 81.81 -

, 17, Unit Capacity Factor (MDC net) 45.76 73.37 73.05

18. Unit Capacity Factor (DER net) 45.15 72.39 72.07 f

19. Unit Forced Outage Hrs. 348.9 348.9 2,182.3 l

20. Unit-Forced Outage Rate 51.92 24.64 2.59 21.~ Shutdowns Scheduled Over Next 6 Months: None

22. If Shutdown at End of Report Period, Estimated Date of Startup: 3/05/97 -

23. Units in Test Status (Prior to Commercial Operation) None l

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• Note - The cumulative numbers do not reflect power

! generated prior to commercial service. ,

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Cl AVERAGE DAILY UNIT POWER LEVEL UNIT ONE DOCKET NO.: 050-454 UNIT: Byron One DATE: 03/10/97 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 MONTH: February, 1997 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 1089 MW 16. -13 MW

2. 1094 MW 17. -13 MW

3. 1096 MW 18. -13 MW

4. 1096 MW 19. -13 MW

5. 1C97 MW 20. -13 MW

6. 1097 MW 21. -13 MW

7. 1096 MW 22. -13 MW

8. 1097 MW 23. -13 MW

9. 1097 MW 24. -13 MW

10. 1097 MW 25. -13 MW 11, 1097 MW 26. -13 MW

12. 1098 MW 27. -13 MW 13 1090 MW 28. -13 MW l

14. 93 MW 29.

15. -13 MW 30.

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INSTRUCTIONS l 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, l

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Report Period: February, 1997

• BYRON

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

No. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence 1 2/14/97 F 348.56 B 1 SX RCFC Cooling Coils - RCFC Repairs

• 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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E. UNIOUE REPORTING REOUIREMENTS (UNIT 1) for the month of February, 1997

1. Safety / Relief valve operations for Unit One. )

l VALVES NO & TYPE PLANT DESCRIPTION )

DATE ACTUATED ACTUATION CONDITION OF EVENT None I l

2. Licensee generated changes to ODCM. l I

1 None

3. Indications of failed fuel.  ;

No. Fuel Reliability Indicator: FRI = 2.2 E-5 pCi/CC l

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F. LICENSEE EVENT REPORTS CUNIT 1)

The following is a tabular summary of all Licensee Event Reports for

! Byron Nuclear Power Station, Unit One, occurring during the reporting period, February 1, 1997 through February 28, 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 454-180-97-0002 02/11/97 480 VAC Rackable Breakers not seismic in remove position.

454-180-97-0003 02/18/97 Equipment Hatch Gallery not '

attached to concrete floor at all legs.

I 454-180-97-0004 02/24/97 1B CS Pump axial end play out '

of tolerance. ' l 1

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

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l B .- OPERATYNG DATA REPORT UNIT TWO DOCKET NO.: 050-455 l UNIT: Byron Two DATE: 03/10/97 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS ,

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1. Reporting Period: February, 1997.' Gross Hours: 672

2. Currently Authorized Power Level: 3411 (MWt)

Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Rating: 1120 (MWe-net) l 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. 672 1416 83,521 6 Rx Critical Hours 672 1416 72,938.7

7. Rx Reserve Shutdown Hours 0 0 0

8. Hours Generator on Line 672 1416 72,262.6

9. Unit Reserve Shutdown Hours 0 0 0

10. Gross Thermal Energy (MWH) 2,217,600 4,637,544 218,500,018.6

11. Gross Elec. Energy (MWH) 763,745 1,596,669 74,497,158

12. Net Elec. Energy (MWH) 729,485 1,526,993 70,818,964

13. Reactor Service Factor 100 100 87.33

14. Reactor Availability Factor 100 100 87.33

15. Unit Service Factor 100 100 86.52

16. Unit Availability Factor 100 100 86.52

17. Unit Capacity Factor (MDC net,) 98.24 97.59 76.73

18. Unit Capacity Factor (DER net) 96.92 96.28 75.71

19. Unit Forced Outage Hrs. 0 0 1,815.4

20. Unit Forced Outage Rate 0 0 2.45

21. Shutdowns Scheduled Over Next 6 Months: B2F18

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 numbers do not reflect power l

generated prior to commercial service.

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C, .l AVERAGE DAILY UMZT POWER LEVEL UNIT TWO i DOCKET NO.- 050-455 UNIT: Byron Two DATE: 03/10/97 l COMPILED BY: J. Vogl l TELEPHONE: (815)234-5441 x2282 MONTH: February, 1997 l

DAY AVERAGE DAILY POWER LEVEL I (MWe-Net) 1, 294 MW 16. 1121 MW l l

2. 999 MW 17. 1118 MW

3. 1122 MW 18, 1111 MW 4, 1121 MW 19. 1115 MW

5. 1124 MW 20. 1114 MW I 1

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6. 1125 MW 21. 1119 MW

7. 1088 MW 22. 1123 MW

8. 1122 MW 23. 1121 MW

9. 1122 MW 24. 1126 MW

10. 1122 MW 25. 1121 MW

11. 1123 MW 25. 1116 MW 12, 1124 MW 27. 1116 MW

13. 1124 MW 28. 1117 MW i

14. 1115 MW 29.

15. 1118 MW 30.

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1 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 ds.ily 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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• BYRON '*

Report Period: February, 1997 UNIT SHUTDOWNS / REDUCTIONS

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

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No. Date Tvoe Hours Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence 3 2/02/97 F 48 B 4 FW Vlv Unit Had Ramped Down To Repair' Hydraulic  !

Problem On 2FWOO9D Isolation Valve. f i

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• Summary * -

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TYPE Reason _ Method System & Component F-Forced- A-Equip Failure F-Admin 1-Manual Exhibit F & H f S-Sched B-Maint or Test G-Oper' Error 2-Manual Scram Instructions'for f 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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E.' UNIOUE REPORTING REOUIREMENTS (UNIT 2) for the month of February, 1997 l

1. Safety / Relief valve operations for Unit Two.

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

None l l

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2. Licensee generated changes to ODCM. l l

None

3. Indications of failed fuel.

1 No. Fuel Reliability Indicator: FRI = 6.03 E-5 pCi/cc l l

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s F .* LIChNSEEEVENTREPORTS (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, February 1, 1997 through February 28, 1997. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

l Occurrence l

Licensee Event Report Number Date Title of Occurrence j

l None.

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