ML20087F649

Monthly Operating Rept for July 1995 for Byron Nuclear Power Station

ML20087F649
Person / Time
Site:	Byron
Issue date:	07/31/1995
From:	Kofron K, Vogl J COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-95-0271, BYRON-95-271, NUDOCS 9508150367
Download: ML20087F649 (14)

Text

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,._ Commonweahh Elliwn Gimpany

!*' , flyton Generati.ng Station

, . 4450 North German Church Road

• - Ilyron, IL 610149*91 Tc!N15-2%5141 August 7, 1995 l

LTR: BYRON 95-0271 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 ,

July 1 through July 31, 1995.

Sincerely, a

K. L. Ko r 2 Station Manager Byron Nuclear Power Station KLK/JV/rp ,

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 G.F. Dick, Jr. - USNRC 1

F. Yost - Utility Data Institute, Inc.

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A Unicom company

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e BYRON NUCLEAR POWER STATION s

UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 i

LICENSE NO, NPF LICENSE NO. NPF-66 l

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T .I,  : Monthly Report for Byron UNIT 1 for the month of Julv 1995 i A Summary of Ooeratino Exoerience for Unit 1 The Unit began this reporting period in Mode 1 (Power Operations).

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B. OPERATING DATA REPORT DOCKET NO.4 050-454

. UNIT: Byron One a

DATE: 08/07/95 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: July, 1995 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 5,087 86,544

6. Rx Critical Hours 744 5,087 73,072.3

7. Rx Reserve Shutdown hours 0 0 38

8. Hours Generator on Line 744 5,087 72,357.2 9 Unit Reserve Shutdown Hours 0 0 0

• 10. Gross Thermal Energy (MWH) 2,457,632 16,684,259 220,727,248

11. Gross Elec. Energy (t@GI) 828,447 5,688,453 74,666,735 12-. Net Elec. Energy (MWH) 790,248 5,435,275 70,790,504

13. Reactor Service Factor 100 100 84.43

14. Reactor Availability Factor 100 100 84.48

15. Unit Service Factor 100 100 83.61

16. Unit Availability Factor 100 100 83.61

17. Unit Capacity Factor (MDC net) 96,12 96.69 74.02

18. Unit Capacity Facter (DER net) 94.84 95.40 73.03

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

20. Unit Forced Outage Rate 0 0 2.42

21. Shutdowns Scheduled Over Next 6 Months: 1 (B1P02)

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/080795/4)

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C. ' AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.: 050-454 UNIT: Byron One DATE: 08/07/95 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 MOFTH: July, 1995 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 1093 MW 16. 017 MW

2. 1092 MW 17. 1007 MW

3. 1084 MW ___

18, 1084 MW

4. 1077 MW 19. 1081 MW

5. 1077 MW 20. 1001 MW

6. 1081 MW 21. 1084 MW

7. 1085 MW 22. 1079 MW .

8. 1090 MW 23. 1001 MW

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9. 1085 MW 24, 1077 MW

10. 1082 MW 25, 1076 MW

11. 1075 MW 26. 1081 MW l

12. 1060 MW 27, 1077 MW

13. 1008 MW 28, 1074 MW 14, 1010 MW 29. 1071 MW I

15. 1005 MW 30, 1068 MW

31. 1070 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.

(9928MM/080795/5)

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Report Period': July, 1995 UNIT SHUTDOWNS / REDUCTIONS '

• BYRON- *

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

• No. Date Type.. Hours Reason Method LER Number System Component Cause & Corrective Actibn to' Prevent Recurrence 5 07/15/95 F 37 A 5- CW Reduced Load To Investigate Tube' Leak In 1C CW Box

• 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 l 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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r (9928MM/080795/6) i

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E .' UNIOUE REPORTING REOUIREMENTS (UNIT 1) for the month of Julv. 1995 1 Sa'fety/ Relief valve operations for Unit One.

l VALVES NO & TYPE PLANT DESCRIPTION M ACTUATED ACTUATION CONDITION OF EVENT None

2. Licensee generated changes to ODCM.

None 1 l

3. Indications of failed fuel. I Yes. Fuel Reliability Indicator: FRI = 4.1 E-4 pCi/CC  ;

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. F. LICENSEE EVENT REPORTS (UNIT 1)

The fpilowihg.is a tabular summary of all Licensee Event Reports for Byron , Nuclear Power Station, Unit One, occurring during the reporting period, July 1, 1995 through July 31, 1995. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence

- Licensee Event Report' Number M Title of Occurrence None I

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II. Month 1v'Recort for Byron UNIT 2 for the month of Julv. 1995 A. Summary of Operatinc7 EvDerience for Unit 2 Th'e' Unit began this reporting period in Mode 1 (Power Operations).

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l B. OPERATING DATA REPORT DOCKET NO.: 050-455

. , UNIT: Byron Two DATE: 08/07/95 COMPILED BY: J. Vogl' l TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: July, 1995. 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 5,087 69,648

6. Rx Critical Hours 744 4,066.5 60,581.9

7. Rx Reserve Shutdown Hours 0 0 0

8. Hours Generator on Line 744 4,037.9 59,947.7

9. Unit Reserve Shutdown Hours 0 0 0

10. Gross Thermal Energy (MWH) 2,460,467 12,736,392 177,720,290

11. Gross Elec. Energy (MWH) 835,287 4,359,940 60,494,124

12. Net Elec. Energy (MWH) 797,334 4,146,387 57,433,"84

13. Reactor Service Factor 100 79.94 84.98

14. Reactor Availability Factor 100 79.94 86.98

15. Unit Service Factor 100 79.38 86.07

16. Unit Availability Factor 100 79.38 86.07

17. Unit Capacity Factor (MDC net) 96.99 73.76 74.63

18. Unit Capacity Factor (DER net) 95.69 72.78 73.63

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

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, 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

• - DOCKET NO.: 050-455

. . UNIT: Byron Two

. DATE: 08/07/95 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 '

x2282 MONTH: July, 1995 DAY AVERAGE DAILY POWER IEVEL (MWe-Net)

1. 1009 MW 16. 1095 MW

2. 1025 MW 17. 1104 MW

3. 1021 MW 18. 1108 MW

4. 909 MW 19. 1104 MW

5. 1045 MW 20. 1105 MW

6. 1088 MW 21, 1106 MW

7. 1043 MW 22. 1099 MW 8, 2004 MW 23. 1014 MW 9, 1058 MW 24. 1102 MW

10. 1056 MW 25. 1102 MW

11. 1100 MW 26, 1106 MW ___

12. 1091 MW 27. 1088 MW

13. 1078 MW 28. 1100 MW

14. 1077 MW 29. 1099 MW

15. 1085 MW 30, 1094 MW 31, 109) 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.

(9928MM/080795/11)

Report Period: July, 1995

• BYRON

• UNIT SHUTDOWNS / REDUCTIONS ,

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

4 No. Date Tvoe Hours Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence NO SHUTDOWNS OR REDUCTIONS FOR UNIT TWO IN JULY

• 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 i 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)

(9928MM/080795/12)

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E. UNIOUE* REPORTING REOUIREMENTS (UNIT 2) for the inonth of July. 1995

1. Safety / Relief valve operations for Unit Two.

VALVES NO & TYPE PLANT DESCRIPTION plIl ACTUATED ACTUATION CONDITION OF EVENT None 4

2. Licensee generated changes to ODCM.

None

3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 3.4 E-5 pCi/CC t

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,., F. LICENSkE EVENT REPORTG (UNIT 2)

The following is a tabular summary of all Licensee Event Reports for Dyron Nuclear Power Station, Unit Two, occurring during the reporting period, July 1, 1995 through July 31, 1995. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Qcensee Event Report Number patg Title of Occurrence None (9928MM/080795/14)