ML20149D944

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Monthly Operating Repts for June 1997 Byron Nuclear Power Station,Units 1 & 2
ML20149D944
Person / Time
Site: Byron  Constellation icon.png
Issue date: 06/30/1997
From: Kofron K, Vogl J
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-97-0169, BYRON-97-169, NUDOCS 9707180045
Download: ML20149D944 (14)
v • d • e


Text

,

Commonw calth litnon Company

, ll> ron Generating Station i ISO North German Church lload

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July 10, 1997 LTR: BYRON 97-0169 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 Gentlen n:

Enclosed for your information is the Monthly Operating Report covering Byron Nuclear Power Station for the period June 1 through June 30, 1997.

Sincerely,

, -+ - - -

K. L. Kof- I Station Manager Byron Nuclear Power Station KLK/JV/rp cc: 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 B. Lewis, McGraw - Hill Nuclear Publications Dept.

9707180045 970630 PDR ADOCK 05000454 R PDR (p \97byrltrs\9?o169.wpr-1) h if i l

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BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 8

MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 LICENSE NO. NPF-66 l

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

l A. Summary of Operating Experience for Unit 1 j . The Unit began this reporting period in Mode 4 (Hot Shutdown).

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

, UNIT: Byron One

. DATE: 07/10/97 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: June, 1997 Gross Hours: 720
2. Currently Authorized Power Level: 3411 (MWt)

Desiyn 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 Hrt. 720 4,343 103,344
6. Rx Critical Hours 658.1 3,814.8 85,700.3
7. Rx Reserve Shutdown Hours 0 0 38
8. Hours Generator on Line 650.6 3,768.1 84,856.1 Unit Reserve Shutdown Hours 0 0 0
  • 10. Gross Thermal Energy (MWH) 2,116,481 12,201,840 261,021,110.8
11. Gross Elec. Energy (MWH) 720,268 4,201,691 88,466,712
12. Net Elec. Energy (MWH) 685,405 3,993,S74 83,898,729
13. Reactor Service Factor 91.40 87.84 82.93
14. Reactor Availability Factor 91.40 87.84 82.96
15. Unit Service Factor 90.36 86.76 82.11 I
16. Unit Availability Factor 90.36 86.76 82.11
17. Unit Capacity Factor (MDC net) 86.15 83.22 73.47
18. Unit Capacity Factor (DER net) 85.00 82.11 72.49
19. Unit Forced Outage Hrs. 69.4 79 1,912.4
20. Unit Forced Outage Rate 9.64 2.05 2.20
21. Shutdowns Scheduled Over Next 6 Montho: BIR08
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.

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C. AVERAGE DAILY UNIT POWER LEVEL UNIT ONE DOCKET No.: 050-454

, UNIT: Byron One DATE: 07/10/97 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 MONTH: June, 1997 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. -14 MW 16. 1081 MW
2. -14 MW 17. 1088 MW h 2. 4 MW 18. 956 MW
4. 873 Mit '9. 1010 MW _
5. 1082 MW 20. 1050 MW A
6. 1086 MW 21. 1059 MW
7. 1086 MW 2 2 . _,_ 1058 MW A. 1086 MW 23. 1054 MW
9. _ 1086_J % 24. 1054 MW
10. 1083 MW 25, 1001 MW
11. 1094 MW 26. 1063 MW 1082 MW 2~. 1062 MW
13. 1081 MW 28. 1061 MW
14. 1087 MW 29. 1058 MW
15. 1082 MW 30. 1057 MW l r

31.

l INSTRUCTIONS On this form list the average daily unit power level in MTde-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: June, 1997 UNIT SHUTDOWNS / REDUCTIONS BYRON (UNIT 1) ,

No. Date Type Hours Reason Method LER Number Systen Component Cause & Corrective Action to Prevent Recurrence 5 6/01/97 F 69.23 A 4 MS Continued Repair of 1A MSIV ooo************

O Summary

  • eco************

TYPE Reason Met d _

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-Rafueling H-Other 3-Auto Scram Preparation of D-Regulatory Restriction 4-Continued Data Entr Sheet E-Operator Training 5-Beduced Load Licensee Event Report 6 License Examination 9-Other (LER) File (NUREG-0161) tp:\97byrltrs\970169.wpf-61

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l E. UNIQUE REPORTING REQUIREMENTS (UNIT 1) for the month of June, 1997 4

1. Safety / Relief valve operations for Unit One.

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

2. Licensee generated changes to ODCM.

J None l

3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 1.03 E-5 pCi/CC i l

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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, June 1, 1997 through June 30, 1997. Also included are Licensee Event Reports i 454:97-012 and 454:97-013 which had been omitted from the May 1997 report. 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: 97-014 6/12/97 SSPS P-11 ACOT Surveillance Inadequate 454: 97-013 5/22/97 Valve Mistakenly Opened causes Post-LOCA Leakage To Exceed Limit

'454: 97-012 5/31/97 Completion of S/D Required By Tech Spec I

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. .. _ _ . . _ _ , . _ . . . - . . - - . ._ .m.. ._ __ , . - - . . - .- .

l II. Monthly Report for Byron UNIT 2 for the month of June, 1997

  • i l _

A. Summary of Operating 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: 07/10/97

' COMPILED BY: J.;Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: June, 1997. Gross Hours: 720
2. Currently _ Authorized Power Level: 3411 (MWt)

Design Electrical Rating: 11'/5 (MWe gross)

Design Electrical hating: 1120 (MWe-net) 4 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

  • i 5. Report Period Hrs. 720 4,343 86,448 1
6. Rx Critical Hours 720 4,232.3 75,755
7. Rx Reserve Shutdown Hours 0 0 0
8. Hours Generator on Line 720 4,206.1 75,052.7
9. Unit Reserve Shutdown Hours 0 0 7 j
10. Gross Thermal Energy (MWH) 2,434,465 13,941,508 227,803,982.6
11. Gross Elec. Energy (MWH) 829,334 4,788,255 77,688,744.
12. Net Elec. Energy (MWH) 793,144 4,578,479 73,870,450
13. Reactor Service Factor 100 97.45 87.63 97.45
14. Reactor Availability Factor 100 87.63
15. Unit Service Factor 100 96'.85 86.82
16. Unit Availability Factor 100 96.85 86.82 1
17. Unit Capacity Factor (MDC net) 99.69 95.40 77.33 {

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18. Unit Capacity Factor (DER net) 98.36 94.13 76.30 l
19. Unit Forced Outage Hrs. 0 0 1,815.4 e
20. Unit Forced Ontage Rate 0 0 2.36
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. AVERAGZ DAILY UNIT POWER LEVEL UNIT TWO DOCKET NO.: 050-455 UNIT: Byron Two.

DATE: 07/10/97 i COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 l

MO:ITH: June, 1997 l DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 1101 MW 16. 1110 MW
2. 1099 MW 17. 1120 MW  :

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3. 1100 MW 18. 1110 MW j
4. 1120 MW 19. 1106 MW ,
5. 1116 MW 20. 1095 MW
6. 1118 MW 21, 1101 MW
7. 1120 MW 22. 1102 MW
8. 1120 MW 23. 1095 MW j
9. 1118 MW 24. 1095 MW
10. 1115 MW 25. 1101 MW  !
11. 1117 MW 26. 1108 MW
12. 1097 MW 27. 1106 MW
13. 930 MW 28. 1104 MW
14. 1115 MW 29. 1102 MW
15. 1087 MW 30. 1104 MW 31.

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 plct a graph for each reporting month. Note that when maximum dependable capacity is used for the net electrical rating of the unit there l may be occasions when the daily average power level exceeds the 100% line (or the restricted power level Jine.) In such cases the average daily unit

. power output sheet should be footnoted to explain the apparent anomaly.

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Report Period: June, 1997 UNIT SHUTDOWNS / REDUCTIONS BYRON (UNIT 2) .

No. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurre.nce NO SHUTrOWNS OR MAJOR REDUCTIONS FOR UNIT TWO.

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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 i E-Operator Training 5-Reduced Load Licensee Event Report

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

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

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1. Safety / Relief valve operations for Unit Two. '

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

None

2. Licensee generated changes to ODCM.

None

3. Indications of failed fuel, i

No. Fuel Reliability Indicator: FRI = 4.96 E-5 pCi/cc s

j s

i 1

1 1

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. .F. LICENSEE EVENT REPORTS (UNIT 2)

The foIlowing is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit Two, occurring during the. reporting period, June 1, 1997 through June 30, 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 (pr\97Dyritrs\t?0169.wpf-14)

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