ML20129A686

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Monthly Operating Repts for Sept 1996 for Byron Nuclear Power Station Units 1 & 2
ML20129A686
Person / Time
Site: Byron  Constellation icon.png
Issue date: 09/30/1996
From: Kofron K, Vogl J
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-96-0262, BYRON-96-262, NUDOCS 9610220217
Download: ML20129A686 (14)
v • d • e


Text

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Cominonweahh 12bmn Company

,, tt) ton Generating Station si iso North (,cnnan (.horch Road

- 11yron.11. 61010 979 i TrlHIS2if4ill l

October 10, 1996 l

LTR: BYRON 96-0262 FILE: 2.7.200 ]

l 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: 40: 454 and 455 Gentlemen:

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

Sincerely, j

K L. K fr Station Manager Byron Nuclear Power Station KLK/JV/rp j 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 F. Yost - Utility Data Institute, Inc.

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BYRON NUCLEAR POWER STATION T

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

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i I '. . Monthly Report for Byron UNIT 1 for the month of September, 1996 A. Summary of Operatina Experience for Unit 1 The Unit began this reporting period in Mode 1 (Power Operations).

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D. OPERATING DATA REPORT UNIT ONE

. DOCKET NO.4 050-454 UNIT: Byron One DATE: 10/10/96

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

1. Reporting Period: September, 1996 Gross Hours: 720
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) 1 4

3. Power Level to Which Restricted (If Any) : None
4. Reasons for Restriction (If Any): N/A THIS MONTH YR TO DATE CUMULATIVE
  • S. Report Period Hrs. 720 6,575 96,792
6. Rx Critical Hours 689.5 4,466 79,685.3 4 7. Rx Reserve Shutdown Hours 0 0 38
8. Hours Generator on Line 681.1 4,379.4 78,879
9. Unit Reserve Shutdown Hours 0 0 0
  • 10. Gross Thermal Energy (MWH) 2,195,951 13,820,493 241,585,448 1
11. Gross Elec. Energy (MWH) 753,974 4,705,531 81,761,789
12. Net Elec. Energy (MWH) 722,069 4,462,490 77,514,950
13. Reactor Service Factor 95.76 67.92 82.33
14. Reactor Availability Factor 95.76 67.92 82.37
15. Unit Service Factor 94.60 66.61 81.49
16. Unit Availability Factor 94.60 66.61 81.49
17. Unit Capacity Factor (MDC net) 90.76 61.42 72.47
18. Unit Capacity Factor (DER net) 89.54 60.60 71.50 I
19. Unit Forced Outage Hrs. 38.9 38.9 1,833.4
20. Unit Forced Outage Rate 5.40 0.88 2.27
21. Shutdowns Scheduled Over Next 6 Months: None
22. If Shutdown at End of Report Period, Estimated Date of Startup None
23. Units in Test Status (Prior to Commercial Operation): None ,

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

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- .C. AVERAGE DAILY UNIT POWER LEVEL UNIT Olg, DOCKET NO.* 050-454 UNIT: Byron One DATE: 10/10/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 s

MONTH: September, 1996 I

DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 1087 MW 16, 1093 MW
2. 1087 MW 17. 1094 MW
3. 1084 MW 18, 1093 MW 4 .- 1083 MW 19. 1094 MW >
5. 1083 MW 20. 1092 MW
6. 1083 MW 21, 1091 MW
7. 1003 MW 22. 1090 MW
8. 1085 MW 23. 1090 MW
9. 1086 MW 24. 1089 MW i
10. 1087 MW 25. 1085 MW
11. -9 MW 26. 1081 MW
12. 60 MW 27. 1083 MW
13. 703 MW 28. 1081 MW
14. 1084 MW 29. 1078 MW
15. 1078 MW 30, 1074 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 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: September, 1996 UNIT SHUTDOWNS / REDUCTIONS

  • BYRON *

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

No. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence 6 9/11/96 F 38.51 G 3 TG Turbine Trip And Subsequent Reactor Trip During Turbine Overspeed Trip Testing Due To Personnel Error. (B1F16)

  • 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 September, 1996
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 = 2.5 E-5 pCi/CC (p:\%byrltrs\960262.wpf-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, September 1, 1996 through September 30, 1996. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in.

10CFR 50.73.

Occurrence Licentiee Event Report Number Date Title of Occurrence 454-180-96-0014 09/03/96 Boraflex Degradation In Spent Puel Pool 454-180-96-0017 09/11/96 Unit 1 Trip Due To Personnel Error During Surveillance Activities t

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II. Monthly kenort for Byron UNIT 2 for the month of September, 1996 A. Summary of Onerating Experience for Unit 2 The Unit began this reporting period in Mode 6 (Refueling).

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, B. OPERATING DATA REPORT UNIT TWO DOCKET NO.- 050-455 UNIT: Byron Two DATE: 10/10/96 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: September, 1996. Gross Hours: 720
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 i l

THIS MONTH YR TO DA'IE CUMULATIVE *

5. Report Period Hrs. 720 6,575 79,896
6. Rx Critical Hours 0 5,131.4 69,386.3
7. Rx Reserve Shutdown Hours 0 0 0
8. Hours Generator on Line 0 5,136.8 68,747.5
9. Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal Energy (m01) 0 17,118,810 207,120,013
11. Gross Elec. Energy (MWH) 0 5,873,703 70,579,368
12. Net Elec. Energy (MWH) -9,820 5,604,805 67,075,792
13. Reactor Service Factor 0 78.04 86.85 l
14. Reactor Availability Factor 0 78.04 86.85
15. Unit Service Factor 0 77.97 86.05
16. Unit Availability Factor 0 77.97 86.05
17. Unit Capacity Factor (MDC net) -1.23 77.14 75.98
18. Unit Capacity Factor (DER net) -1.22 76.11 74.96
19. Unit Forced Outage Hrs. 0 416.2 1,815.4
20. Unit Forced Outage Rate 0 7.51 2.57
21. Shutdowns Scheduled Over Next 6 Months: None
22. If Shutdown at End of Report Period, Date of Startup: 10/04/96
23. Units in Test Status (Prior to Commercial Operation): None
  • Note - The cumulative numbers do not reflect power  !

generated prior to commercial service. I I

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., C. AVERAGE DAILY UNIT POWER LEVEL UNIT TWO DOCKET NO.. 050-455 UNIT: Byron Two ,

DATE: 10/10/96 COMPILED BY: J. Vogl i TELEPHONE: (815)234-5441 l x2282 )

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

1. -13 MW 16. -13 MW
2. -13 MW 17. -13 MW
3. -13 MW 18. -13 MW
4. -13 MW 19. -13 MW
5. -13 MW 20. -13 MW )

1 6 -13 MW 21. -13 MW

7. -13 MW 22. -13 MW
8. -13 MW 23. -13 MW ,

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9. -13 MW 24. -13 MW i
10. -13 MW 25. -13 MW
11. -21 MW 26. -13 MW
12. -12 MW 27. -14 MW
13. -13 MW 28. -14 MW
14. -13 MW 29. -14 MW
15. -13 MW 30. -14 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 plot a graph . tor each reporting month. Note that when maximum dependable capacity is used for che 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: September, 1996 UNIT SHUTDOWNS / REDUCTIONS

  • BYRON *

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

No. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence-4 10/01/96 S 720 C 4 Continue Refueling Outage B2R06 l

  • 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) 1 (p:\96byritrs\960262.wpf-12) l

O E. UNIOUE REPORTING REOUIREMENTS (UNIT 2) for the month of September, 1996

1. Safety / Relief valve operations for Unit Two.

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

2. Licensee generated changes to ODCM.

None

3. Indications of failed fuel.

No. Fuel Reliability Indicator: N/A 4

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~ 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, September 1, 1996 through September 30, 1996. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in

. 10CFR 50.73.

Occurrence

Licensee Event Henort Number Date Title of Occurrence 455-180-96-0003 09/04/96 Steam Generator Tubes Not Inspected During Outage 455-180-96-0004 09/22/96 Source Range Detectors Inoperable With Reactor Trip Breakers Closed I

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