ML20117G626

Monthly Operating Repts for Apr 1996 for Byron Nuclear Power Station Units 1 & 2

ML20117G626
Person / Time
Site:	Byron
Issue date:	04/30/1996
From:	Kofron K, Vogl J COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-96-0109, BYRON-96-109, NUDOCS 9605210457
Download: ML20117G626 (14)

Text

Gimmonwealth I:divin Company liyron Generating Station

. 4 450 North German Church Itoad II) run,11. 61010-979 4 l Tcl H15-23 4 5111 May 8, 1996 LTR: BYRON 96-0109 l FILE: 2.7.200 1

Document Control Desk  !

United States Nuclear Regulatory Commission j Washington, D.C. 20555 l l

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l Gentlemen )

Enclosed for your information is the Monthly Performance Report covering Byron Nuclear Power Station for the period April 1 through April 30, 1996.

Sincerely, l

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K. L. Ko on Station Manager Byron Nuclear Power Station KLK/JV/mn j cc: H.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 l G.F. Dick, Jr. - USNRC '-

F. Yost - Utility Data Institute, Inc.

9605210457 960430 PDR ADOCK 05000454 l R PDR (p:\%byrltrs\960109.wpfiO50896\1 ) L# g l

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BYRON NUCLEAR POWER STATION i UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454 l

NRC DOCKET NO. 050-455 l

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

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.. X I. Monthly Report for Byron UNIT 1 for the month of April, 1996 A. Summary of Operatinct 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: 05/08/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: April, 1996 Gross Hours: 719

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 l THIS MONTH YR TO DATE CUMULATIVE

• i i 5. Report Period Hrs. 719 2,903 93,120 1

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6. Rx Critical Hours 98.3 2,282.3 77,501.6  !

7. Rx Reserve Shutdown Hours 0 0 38

( 8. Hours Generator on Line 98.1 2,282.1 76,781.7

9. Unit Reserve Shutdown Hours 0 0 0

• 10. Gross Thermal Energy (MWH) 302,722.8 7,519,181.8 235,284,136.8

11. Gross Elec. Energy (MWH) 102,659 2,563,845 79,620,103 l- 12. ' Net Elec. Energy (MWH) 89,914 2,440,519 75,492,979 ]

13. Reactor Service Factor 13.67 78.62 83.23 ,

14. Reactor Availabil.ity Factor 13.67 78.62 83.27

15. Unit Service Factor 13.64 78.61 82.45

16. Unit Availability Factor 13.64 78.61 82.45

17. Unit Capacity Factor (MDC net) 11.32 76.08 73.37 1

18. Unit Capacity Factor (DER net) 11.17 75.06 72.38 l

19. Unit Forced Outage Hrs. 0 0 1,794.5 l

! 20. Unit Forced Outage Rate 0 0 2.28 I

21. Shutdowns Scheduled Over Next 6 Months: None

22. If Shutdown at End of Report Period, Estimated Date of Startup

6/26/96

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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r O. AVERAGE DAILY UNIT POWER LEVEL UNIT ONE j DOCKET NO.: 050-454 UNIT: Byron One I

DATE: 05/08/96 COMPILED BY: J. Vogl 4

) TELEPHONE: (815)234-5441 I x2282 MONTH: April, 1996 l

! DAY AVERAGE DAILY POWER LEVEL )

(MWe-Net) I i

1. 1090 MW 16 -12 MW l

2. 1002 MW 17. -13 MW j i

3. 1078 MW 18. -13 MW l 4. 831 MW 19. -13 MW 'f l

l 5. -13 MW 20. -13 MW l 6. -13 MW 21. -12 MW  !

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7. -13 MW 22. -12 MW i I

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-13 MW

9. 24. -12 MW  ;

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11. -13 MW 26. -12 MW '

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! 12. -13 MW 27. -12 MW i

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13.. -13 MW 28. -12 MW I

14. -13 MW 29. -12 MW '

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15. -13 MW 30. -13 MW ,

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INSTRUCTIONS I I 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 l 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  !

l output' sheet should be footnoted to explain the apparent anomaly.  !

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• BYRON *-

Report Period: April 1996 UNIT SHUTDOWNS / REDUCTIONS (UNIT 1) **************************

No. Date Tvoe Hours Reason Method LER Number System Component Cause'& Corrective Action to Prevent Recurrence 1 4/05/96 S 620:55 C 1 Began BIR07

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• 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 j 1

E-Operator Training 5-Reduced Load Licensee' Event Report >

& License Examination 9-Other (LER) File (NUREG-0161) i e

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-. ~ . ~ . , . . . _ . ~ . , , - - . - . ....,--...m- . _ . . - - - - . . , - . . . . . . . , , , , ....~....,~.-..-.m. . - . . . , . . - . . .. ..-.-m....,~.-,.. - - .

l E. UNIOUE REPORTING REOUIREMENTS (UNIT 1) for the month of April, 1996

1. Safety / Relief valve operations for Unit One.

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

None j l

2. Licensee generated changes to ODCM.

None

3. Indications of failed fuel.

Yes. A Fuel Reconstitution campaign was performed to find and repair the leaking fuel. Fuel rod G-07 of fuel assembly J54F was replaced by a stainless steel pin.

Fuel Reliability Indicator: FRI = 2.6 E-4 pCi/cc (pd%byrins\W4109 wpf(0%896\7) 1

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• F. LYCENSEE EVENT REPORTS (UNYT 1)

The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, occurring during the reporting period, April 1, 1996 through April 30, 1996. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

l Occurrence Licensee Event Report Number Date Title of Occurrence l l

j 454-180-96-0003 04/17/96 NRC Red Phone Call for B1R07, I

Steam Generator results. ,

454-180-96-0005 04/17/96 Analysis will not allow more than one Accumulator to fill or vent at one time.

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/. II. Monthly Report for Byron UNIT 2 for the month of Aoril, 1996 l 1

l j A. Summary of Ooeratina Experience for Unit 2  ;

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

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.+ B. OPERATING DATA REPORT UNIT TWO DOCKET NO.: 050-455 UNIT: Byron Two DATE: 05/08/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: April, 1996. Gross Hours: 719

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. 719 2,903 76,224

6. Rx Critical Hours 719 2,903 67,157.9 7 .. Rx Reserve Shutdown Hours 0 0 0

8. Hours Generator on Line 719 2,903 66,523.7

9. Unit Reserve Shutdown Hours 0 0 0

10. Gross Thermal Energy (BGGI) 2,424,412.6 9,828,867.6 199,830,070.6

11. Gross Elec. Energy (MWH) 836,132 3,388,133 68,093,798

12. Net Elec. Energy (MWH) 806,138 3,246,247 64,717,414

13. Reactor Service Factor 100 100 88.11

14. Reactor Availability Factor 100 100 88.11

15. Unit Service Factor 100 100 87.27

16. Unit Availability Factor 100 100 87.27

17. Unit Capacity Factor (MDC net) 101.47 101.20 76.84

18. Unit Capacity Factor (DER net) 100.11 99.84 75.81 l l

19. Unit Forced Outage Hrs. 0 0 1,399.2

20. Unit Forced Outage Rate 0 0 2.06 1

21. Shutdcwns 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

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

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• • C. AVERAGE DAILY UNIT POWER LEVEL UNTT TWO l DOCKET NO.: 050-455 l UNIT: Byron Two DATE: 05/08/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 l

MONTH: April, 1996 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 1059 MW 16. 1140 MW l

2. 1117 MW 17. 1083 MW

3. 1113 MW 18. 1131 MW

4. 1123 MW 19. 1134 MW

5. 1116 MW 20. 1137 MW l l

6. 1126 MW 21. 1134 MW l l 1

7. 1136 MW 22, 1142 MW l

l 8. 1136 MW 23. 1136 MW )

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9. 1137 MW 24 1129 MW l

10. 1131 MW 25. 1107 MW I

11. 1125 MW 26. 1124 MW 12, 1123 MW 27. 1069 MW l

13. 1138 MW 28. 1120 MW  !

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14. 1141 MW 29. 1122 MW ,

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15. 1141 MW 30. 1125 MW l l 31.

l INSTRUCTIONS

On this form list the average daily unit power level in MWe-Net for each day i 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: April, 1996 UNIT SHUTDOWNS / REDUCTIONS

• BYRON *

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

No. Date Tvoe Hours Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence NO SHUTDOWNS OR MAJOR REDUCTIONS GREATER THAN 20% FOR UNIT TWO

• 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 2) for the month of ADril, 1996

1. Safety / Relief valve operations for Unit Two.

I VALVES NO & TYPE PLANT DESCRIPTION i DATE ACTUATED ACTUATION CONDITION OF EVEh7 i I

None i

2. Licensee generated changes to ODCM. I l

None I l

3. Indications of failed fuel, i Ea. Fuel Reliability Indicator: FRI = 3.0 E-5 pCi/CC I I

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O F. LICENSEE EVENT REPORTS (UNIT 2) l The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit Two, occurring during the reporting period, April 1, 1996 through April 30, 1996. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence l L_%.g.gnsee Event ReDort Number Date Title of Occurrence 1

i None l

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