ML20073B278

Monthly Operating Repts for Aug 1994 for Byron Nuclear Power Station

ML20073B278
Person / Time
Site:	Byron
Issue date:	08/31/1994
From:	Colglazier R, Scwhartz G COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-94-0360, BYRON-94-360, NUDOCS 9409210266
Download: ML20073B278 (14)

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.. I f Byron NuclearStation i O 7 4450 North German Church Road I (j' Byron,!!!inois 61010 l September 8, 1994 LTH: BYRON 94-0360 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 August 1 through August 31, 1994.

Sincerely, 4

//_/ -

.ycW6 G. K. Schwartz Station Manager Byron Nuclear Power o ation GKS/RC/rp CC:

J.B. Martin, NRC, Region III NRC Resident Inspector Byron IL Dept. of Nuclear Safety Nuclear Licensing Manager i Nuclear Fuel Services, PWR Plant Support l D.R. Eggett, Station Nuclear Engineering l INPO Records Center G.F. Dick, Jr. - USNRC F. Yost - Utility Data Institute, Inc.

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9409210266 940831 PDR ADDCK 05000454 /

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BYRON NUCLEAR POWER STATION i

.. I UNIT 1 AND UNIT 2

, MONTHLY PERFORMANCE REPORT ._ i COMMONWEALTH EDISON COMPANY NRC DOCKET NO, 050-454 f NRC DOCKET NO.- 050-455 ,

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LICENSE NO. NPF-37 LICENSE NO.'NPF-66  ;

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(9928MM/090894/2)

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. I _. Monthly Report for Byron UNIT 1 for the month of August 1994 )

A. Summarv of Ooeratina Experience for Unit 1 The Unit began this reporting period in Mode 1 (Power Operations).

The power level varied due to BIR06 Coastdown.

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(9928MM/090894/3) I i

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.. B.* OPERATING DATA REPORT ,

DOCKET WO.. 050-454

, UNIT: Byron One  !

DATE: 09/08/94 ,

COMPILED BY: R. Colglazier  ?

TELEPHONE: (815)234-5441  !

x2282

-OPERATING STATUS

1. Reporting Period: ' August, 1994. Gross Hours: 744 ,

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2. Currently Authorized Power Level: 341" 'MWt)

Design Electrical Rating: 1175 (MWe ... is)  ;

Design Electrical Rating: 1120 (MWe-ut:,

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 5,831 78,528 t

6. Rx Critical Hours 744 5,831 66,641.5

7. Rx Reserve Shutdown Hours 0 0 38 r

8. Hours Generator on Line 744 5,831 65,963.1

9. Unit Reserve Shutdown Hours 0 0 0 <

• 10. Gross Thermal Energy (MWH) 1,431,846 17,981,963 201,043,062

11. Gross Elec. Energy (MWH) 481,165 6,161,973 67,980,518

12. Net Elec. Energy (MWH) 447,835 5,874,214 64,437,549

13. Reactor Service Factor 100 100 84.86

14. Reactor Availability Factor 100 100- 84.91

15. Unit Service Factor 100 100 84.00 16 Unit Availability Factor 100 100 84.00 ,

17. Unit Capacity Factor (MDC net) 54.47 91.17 74.26

18. Unit Capacity Factor (DER net) 53.74 89.95 73.26 19 Unit Forced Outage Hrs. 0 0 1,498.2

20. Unit Forced Outage Rate 0 0 2.22

21. Shutdowns Scheduled Over Next 6 Months: 1 (B1R06) ]

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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/090894/4)

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C. AVERAGE DAILY UNIT POWER LEVEL

, DOCKET NO.- -050-454 ,

,I UNIT: Byron'One DATE: 09/08/94'.

-COMPILED BY: R. Colglazier TELEPHONE: .(815)234-5441 x2282 MONTH: August, 1994 ,

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DAY AVERAGE DAILY POWER LEVEL f (MWe-Net) ,

1. 724 MW 16, 606'MW -l

2. 725 MW 17. ~597 MW -i

3. 711 MW 18. 588 MW f

4, 701 MW 19. 572 MW .

5. 707 MW 20. 578 MW l

6. 697 MW 21. 571 MW 7, 685 MW 22. 561 MW t

8. 659 MW 23. 549 MW r

9, 664 MW 24, 520 MW' f

10, 660 MW 25. 490 MW l

11. 645 MW 26. 494 MW

12. 635 MW 27. 490 MW -

13. 623 MW 28. 497 MW f i

14, 627 MW 29. 490 MW 15, 612 MW 30. 488 MW y i

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31. 480 MW t

. INSTRUCTIONS: j 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~ j "

restricted power level line.) In such cases the' average daily unit power output' sheet should be footnoted to explain the apparent anomaly, t

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Report Period: August, 1994 UNIT SHUTDOWNS / REDUCTIONS '*

• BYRON.

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

4 No. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence 4 08/01/94 S 744 H 9 Unit One Continued It's Coastdown to BIR06 Thru the Month of August L

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0 Summary

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UPE . Reason Method System & Comnonent 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-A'ito Scram Preparation of D-Regulatory Restriction 4-Concinued ' Data Entry Sheet E-Operator Training .5-Reduced Load Licensee Event Report

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

(99281@!/090894/6)

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4 E. UNIOUE REPORTING REQUIREMENTS (UNIT 1) for the month of August. 1991 t

1, Safety / Relief valve spe2ations for Unit One.

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

2. Licensee generated changes to ODCM. j i

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3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI - 4.2 E-5 pCi/CC ,

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(9928MM/090894/7)

F. LICENSEE EVENT REPORTS (UNIT 1)

The fol' lowing is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, occurring during the reporting period, August 1, 1994 through August 31, 1994. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licennee Event Report Number Date Title of Occurrence 454: 94-007 07/25/94 1B WR Hot Leg RTD Indication spiked low.

454: 94-008 08/03/94 1/2 CS007A & B Valves Not Stroke Time Tested.

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. i I . Monthly Report for Byron UNIT 2 for the month of Aucust 1994 ,

A. Summarv of Oneratiner Experience for Unit 2 The Unit began this reporting period in Mode 1 (Power Operations).

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(9928MM/090894/9)

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. 'l B. ' OPERATING DATA REPORT

. DOCKET NO.. 050-455 UNIT: Byron Two DATE: 09/08/94 ]

COMPILED BY: R. Colglazier.

TELEPHONE: (815)234-5441-x2282 .;

OPERATING STATUS

1. Reporting' Period: August, 1994. Gross Hours: 744

2. Currently Authorized Power Level: 3411 (MWt)

- Design Electrical Rating: 1175 (MWe-gross) ,

I 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

THIS MONTH YR TO DATE CUMULATIVE

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5. Report Period Hrs, 744 5,831 61,632

6. Rx Critical Hours 744 5,831- 53,636.9

7. Rx Reserve Shutdown Hours 0 0 0-

8. Hours Generator on Line 744 5,831- 53,036.6

9. . Unit Reserve Shutdown Hours 0 0 0-

10. Gross Thermal Energy (FGm) 2,440,724 19,428,866 155,500,793 -l

11. Gross Elec. Energy (F9m) 837,239 6,681,856 52,865,130 ,

12. Net Elec. Energy (MWH) 795,396' 6,383,507 50,166,734l 13 Reactor Service Factor 100 100 87.03

14. Reactor Availability Factor 100 100 87.03 {

15. Unit Service Factor- 100 -100 -06.05 [

16.' Unit Availability Factor -100 100 86.05

17. Unit Capacity Factor (MDC net) 96.75 99.07 73.66 18 Unit Capacity Factor (DER net) '95.45 97.75 72.68

19. Unit' Forced Outage Hrs.

0 0 -1,343.4  !

20. Unit Forced Outage Rate 0 0- 2.47

21. Shutdowns Scheduled Over Next 6 Months: .1 (B2R05)

22. If Shutdown at End of Report Period, Date of Startup: None

23. Units _in Test Status (Prior to Commercial Operation)2 None

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

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.(9928MM/090894/10) -l l

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C. AVERAGE DAILY UNIT POWER LEVEL

, DOCKET NO.? 050-455 UNIT: Byron Two f DATE: 09/08/94 '

COMPILED BY: R. Colglazier TELEPHONE: .(815)234-5441 i x2282 -j

. MONTH: August, 1994 j

. DAY AVERAGE DAILY POWER LEVEL l (MWe-Net)  !

1. 1095 MW 16. 1096 MW ,

2. 1099 MW 17, 1098 MW

3. 1093 MW 18. 1094 MW

4. 1098 MW 19. 1094 MW

5. 1102 MW 20. 1102 MW ,

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6. 1054 MW 21. 818 MW t

7. 1002 MW 22. 1054 MW

8. 1067 MW 23, 1100 MW

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1109 MW 24, 1091 MW

10. 1110 MW 25. 1087 MW

11. 1109 MW 26. 1093 MW 7

12. 1106 MW 27. 1088 MW

13. 102p MW 28. 1098 MW

14. 1036 MW 29. 916 MW 15, 1102 MW 30, 921 MW

31. 1104 MW INSTRUCTIONS .i 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 i 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 i 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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(9928MM/090894/11) )

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-Report Period: August, 1394 UNIT SHUTDOWNS / REDUCTIONS

• BYRON * . '.

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

_Eo, Date h Hours Reason Method LER Number System Comnonent Cause & Corrective Action To Prevent Recurrence 4 08/21/94 H 5 Reduced Load Per Bulk Power Operations

• 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)

(9928MM/090894/12)'

_______ _ - - . ~ . . . . - . . . . . -. . . _ , - - ~ ...--.-- _ .--- _ .,_. . ._ _ . . . ._ _~___ _ ____.__ _ _ _ _ _ _ _ _ _ _ . . _

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E UN OUE REPORTING REQUIREMENTS CUNIT 2) for the month of August 1994

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

VALVES NO & TYPE PLANT DESCRIPTION .

DATE ACTUATED ACTUATION CONDITION OF EVENT None  ;

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2. Licensee generated changes to ODCM.

None i l

3. Indications of failed fuel.  ;

No. Fuel Reliability Indicator: FRI = 3.4 E-5 pCi/CC 3 f

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(9928MM/090894/13)

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e F. LICENSEE EVENT REPORTS (UNIT 2)  !

1 The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit Two, occurring during the reporting period,  ;

-August 1, 1994 through August 31, 1994. This in nation is provided pursuant to the reportable occurrence reporting requirements m set forth in 10CFR 50.73_. ,

Occurrence Licensee Event Report Number Date Title of Occurrence None t

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-~(9928MM/090894/14) )