ML20212H509

Monthly Operating Repts for Dec 1986

ML20212H509
Person / Time
Site:	Byron
Issue date:	12/31/1986
From:	Querio R, Spitzer D COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
BYRON-87-0042, BYRON-87-42, NUDOCS 8701210464
Download: ML20212H509 (14)

Text

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I BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISDN COMPANY

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NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 LICENSE NO. NPF-60 l

8701210464 861231 l PDR ADOCK 05000454

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• y' I. _ Monthly Report for Byron Unit 1

'A. Summary'of Operating Experience for' Unit 1- .

l The Unit was at power for the entire reporting period. There were no' reactor trips or~ forced reductions of power. The unit began ,

"coastdown", starting power reduction, on December 23, 1986 in i preparatior. for an anticipated February 1987 refueling outage., ,

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B. OPERATING DATA REPORT DOCKET NO.: 050-454 UNIT: Byron One DATE: 01/10/87 COMPILED BY: D. J. Spitzer TELEPHONE: (815)234-5441 x2023 ,

OPERATING STATUS

l. Reporting Period: December 1986. Gross Hours: 744 -

2. Currently Authorized Power Level (MWt): 3411 Design Electrical Rating: 1175 (MWe-gross) l Design Electrical Rating: 1120 (MWe-net) .

Max Dependable Capacity (MWe-net): NOT DETERMINED

3. Power Level to Which Restricted (If Any): 1105 (MWe-gross) . .

4. Reasons for Restriction (If Any): Reduction of Hot Leg Temperature for Primary Water Stress Corrosion Cracking Concerns.

THIS MONTH 'IR TO DATE CUMULATIVE *

5. Report Period Hrs. 744 8760 11329

6. Rx Critical Hours 744 7823.9 9813.4

7. Rx Reserve Shutdown Hours  ; O 21.7 37.8

8. Hours Generator on Line 744 7761.3 8953.7

9. Unit Reserve Shutdown Hours '

O O O

',10. Gross Thermal Energy (MWH) ' 2301166 23206642 26545834

11. Gross Elec. Energy (MWH) 769763 7835643 8924232

12. Net Elec. Energy (MWH) 729497 7396003 8408901

13. Reactor Service Factor 100 89.3 86.6

14. Reactor Availability Factor 100 89.6 87.0

15. Unit Service Factor 10J 88.6 79.0

16. Unit Availability Factor 100 88.6 79.0 l 17. Unit Capacity Factor (MDC net) N/A N/A N/A

18. Unit Capacity Factor (DER net) 87.5 75.4 66.3

19. Unit Forced Outage Hrs. 0 674.4 777

20. Unit Forced Outage Rate 0 8.0 8.0 l

11. Shutdowns Scheduled Over Next 6 Months: Scl led refueling outage to start 2/3 soul

22. If Shutdown.at End of Report Period, Ectimated Date of Startup: N/A

23. Units in Test Status (Prior to Commercial Operation): See Unit 2 (II.B.23)

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

(0625M/0062M)

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C. AVERAGE DAILY UNIT POWER LEVEL -

DOCKET NO.: 050-454 UNIT: Byron One DATE: 01/10/87 COMPILED BY: D. J. Spitzer TELEP110NE: (815)234-5441 x2023

)

MONTH: December, 1986 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 1022 MW 17. 1009 MW i

2. 1090 MW 18. 936 MW

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3. 1020 MW 19. 934 MW

4. 1020 MW 20. 1012 MW

5. 1018 MW 21. 1012 MW

6. 1015 MW 22. 1011 MW

7. 1015 MW 23. 997 MW

8. 1015 MW 24. 974 MW

9. 1015 MW 25. '

941 MW

10. 998 MW 26. 932 MW

11. '

998 MW 27. 932 MW

12. 1000 MW 28. 920 MW 13, 992 MW 29, 910 MW

14. 999 MW 30, 879 MW

15. 1005 MW 31. 825 MW

16. 1001 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.

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(0625M/0062M) ggg l

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• • • • • • • • • • • • • • • • • eemeneene ,-

RIport Period December, 1986 UNIT SHUTDOWNS / REDUCTIONS' BYRON (UNIT 1) **************************

No. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence No..s I

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• Summary

• There were no unit shutdowns /re'duclions during the month of December.

Reason Method System & Component TYPE 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 f (LER) File (NUREG-0161)

& License Examination 9-Other (0625M/0062M) ,

+ .

E. UNIQUE REPORTING REQUIREMENTS (UNIT 1) e

1. Safety / Relief valre operations for Unit One. .

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

2. Licensee generated changes to ODCM. (Y/N)

No

3. Indications of failed fuel. (Y/N)

Yes. Iodine spikes during power changes indicate failed fuel. Judging from the extent of the spikes it is estimated that there are four to eight failed rodlets.

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(0625M/0062M)

F. LICENSEE EVENT REPORTS (UNIT 11 The following is a tabular summary of all Licensee Event Reports for Byron -

Nuclear Power Station, Unit One, submitted during the reporting period, Decestber 1 through December 31, 1986. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Licensee Event Report Number Date Title of Occurrence 86-031-00 12-19-86 Failure to perfor:n post maintenance testing i

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(0625M/0062M)

II. Monthly R: port for. Byron Unit 2

h. Summary ~of Operating Experience for Unit 2 .

Byron Unit 2 started this reporting period in Mode 5.(cold shutdown). On December 11, 1986, the unit entered Mode 4 (hot shutdown). On December 16, 1986, the unit entered Mode 3 (hot

,- standby). On December 18, 1986, the unit returned to Mode 4 due to an accummulator pressure boundary leak. On December 19, 1986, the

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8 unit re-entered Mode 3 and remained in Mode 3 through the end of this reporting period.

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'B. OPERATING CATA REPORT DOCKET NO.: 050-455 UNIT: Byron Two DATE: 01/10/87 COMPILED BY: D. J. Spitzer TELEPHONE: (815)234-5441 x2023 OPERATING STATUS ,

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1. Reporting Period: December 1986. Gross Hours: 744

2. Currently Authorized Power Level (MWt): 170 Max Depend Capacity Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Rating: 1120 (MWe-net)

Max Dependable Capacity-(MWe-net): NOT DETERMINED

3. Power Level to Which Restricted (If Any): 58.75 (MWe-gross)

4. Reasons for' Restriction dIf Any): Condition of Facility Operating License NPF-60.

THIS MONTH fR TO DATE CUMULATIVE *

5. Report Period Hrs. 744 1464 1464

6. Rx Critical Hours 0 0 0

7. .Rx Reserve Shutdown Hours 0 0 0

8. Hours Generator.on Line 0 0 0

9. Unit Reserve Shutdown Hours 0 0 0

10. Gross Thermal Energy (MWH) 0 0 0

11. Gross Elec. Energy (MWH) 0 0 0

12. Net Elec. Energy (MWH) 0 0 0

13. Reactor Service Factor 0 0 0

14. Reactor Availability Factor O O O

15. Unit Service Factor -

O O O

16. Unit Availability Factor 0 0 0

17. Unit Capacity Factor (MDC net) -

N/A N/A N/A

18. Unit Capacity Factor (DER net) 0 0 0

19. Unit Forced Outage Hrs. 0 0 0

20. Unit Forced Outage Rate 0 0 0

21. Shutdowns Scheduled Over Next 6 Months: N/A

> 22. If Shutdown at End of Report Period, Estimated Date of Startup: N/A

23. Units in Test Status (Prior to Commercial Operation): (UNIT 2)

Forecast Achieved i Initial Criticality 01/08/87 01/09/87 Initial Electricity Commercial Operation

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

(0625M/0062M)

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

DATE: 01/10/87 COMPILED BY: 'D. J. Spitzer TELEPHONE: (815)234-5441 x2023 MONTH: December, 1986 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. O MW 17. O MW

2. O MW 18. O MW

3. O MW 19. _ 0 MW

4. O MW 20. O MW

5. _ 0 MW 21. O MW

6. O MW 22. O MW

7. O MW 23. O MW

8. O MW 24. O MW

9. O MW 25. O MW '

10. O MW 26. O MW

11. O MW

27. O MW

' i'2 . O MW 28. O MW

13. O MW 29. O MW

14. O MW 33. O MW

15. O MW 31. O MW

16. O 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.

(0625M/0062M)

R port Period December, 1986 UNIT SHUTDOWNS / REDUCTIONS

• BYRON *

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

No. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence N/A 1

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.l emee***********

• Summary

• eseo***********

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)

(0625M/0062M) ,, ,

E. UNIQUE REPORTING REQUIREMENTS-(UNIT 2)-

1. Safety / Relief valve operations for Unit Two.

VALVES NO & TYPE PLANI DESCRIPTION DATE ACTUATED ACTUATION CONDITION OF EVENT None

2. License,e generated changes to ODCM. (Y/N)

No

3. Indicat' ions of failed fuel. (Y/N)

No

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.-- -o-F. LICENSEE EVENT REPORTS (UNIT 2)

The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit Two, submitted during the reporting period, December 1 thecugh December 31, 1986. This information is provided pursuant-1 to the reportable occurrence reporting requirements as set forth in 10CFR

~ 50.73. .,

i Licensee Event Report Number Date Title of Occurrence.

1 86-001-00 12/19/86 Both trains of Component Cooling inoperable due to a personnel error in a relief valve setting.

86-002-00 12/18/86 Rod position indication mismatch requiring manual reactor trip due to failed circuit card.

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(0625M/0062M) t 9

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January 10, 1987 LTR: BYRON 87-0042 File: 2.7.200 Director, Office of Management Information and Program Control United States Nuclear Regulatory Commission ,

Washington, D.C. 20555 -

ATTN: Document Control Desk Gentlemen:

Enclosed for your information is the Monthly Performance Report covering Byron Nuclear Power Station for the period December 1 through December 31, 1986.

Douglas J. Spitzer (extens'_ ion 2023) has replaced Paul H. Dandrea as preparer of this report for the NRC Greybook.

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Very truly yours,

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R. E. Querio Station Manager -

Byron Nuclear Power Station REQ /PHD/bb l

l cc: J.G. Keppler, NRC, Region III

( NRC Resident Inspector Byron Gary Wright, Ill. Dept. of Nuclear Safety l D.P. Galle T. J. Maiman D.L. Farrar

( Nuclear Fuel Services, PWR Plant Support i

, L. Anastasia, Station Nuclear Engineering

(

INPO Records Center ,

Thermal Group, Tech Staff Byron Station Nuclear Group, Tech Gtaff Byron Station L. Olshan - USNRC D. J. Spitzer (0625M/0062M)

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