ML20076G609

Monthly Operating Repts for Sept 1994 for Byron Nuclear Power Station

ML20076G609
Person / Time
Site:	Byron
Issue date:	09/30/1994
From:	Colglazier R, Schwartz G COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-94-0396, BYRON-94-396, NUDOCS 9410200100
Download: ML20076G609 (13)

Text

'#' '

' 7' ' C:mmenwnith Edis n

[C^^'/ ? Byron Nuclear Station l

'\ Byron, Illinois 61010

\s] 4450 North German Church Road October 8, 1994 LTR: BYRON 94-0396 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 September 1 through September 30, 1994.

Sincerely, 0

/ fblOW ^*

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

J.B. Martin, NRC, Region III NRC Resident Inspector Byron IL Dept. of Nuclear Safety Regulatory Services Manager ,

Nuclear Fuel Services, PWR Plant Support l D.R. Eggett, Station Nuclear Engineering l INPO Records Center j G.F. Dick, Jr. - USNRC l F. Yost - Utility Data Institute, Inc.

4p,irn 2 vo. v -.<

I I

( 9928MM/100894 /1) 9410200100 940930 [g DR ADOCK 05000454 -

i PDR

e J ,Ae.i - # -# h- 4 4 4 $ _Mu 5

-i

-i'l I  !

4- .- j 9

3 l

BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT c

COMMONWEALTH EDISON COMPANY-NRC DOCKET NO. 050-454 NRC DOCKET NO, 050-455 LICENSE NO. NPF-37 ,

LICENSE NO. NPF-66

't 4

(9928MM/100894/2)

I

+

I. . Monthly Reoort for Byron UNIT 1 for the month of September 1994 A. Summary of Onerating Experience for Unita The U' nit began this reporting period in Mode 1 (Power Operations).

The power level varied due to BIR06 Coastdown, a

f l

)

I 1

l I

i l

(9928MM/100894/3)

<  : l l

• B. ' OPERATING DATA _RJ2GBT DOCKET NO.: 050-454 I UNIT: Byron One DATE: '10/08/94 COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: September, 1994. Gross Hours: 720

2. Currently Authorized Power Level: 3411 (MWt)

Des.gn Electrical Rating: 1175

. (MWe-gross)

DCsign 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. 720 6,551 79,248

6. Rx Critical Hours 169.4 6,000.4 66,810.9

7. Rx Reserve Shutdown Hours 0 0 38

8. Hours Generator on Line 168.6 5,999.6 66,131.7

9. Unit Reserve Shutdown Hours 0 0 0

• 10. Gross Thermal Energy (PGCd) 259,090 18,241,053 201,302,152 11.. Gross Elec. Energy (MWH) 83,986 6,245,959 68,064,504

12. Net Elec. Energy (MWH) 69,537 5,943,751 64,507,086

13. Reactor Service Factor 23.53 91.60 84.31

14. Reactor Availability Factor 23.53 91.60 84.35

15. Unit Service Factor 23.42 91.58 83.45

16. Unit Availability Factor 23.42 91.58 83.45

17. Unit Capacity Factor (MDC net) 8.74 82.11 73.66

18. Unit Capacity Factor (DER net) 8.62 81.01 72.68

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)

22. If Shutdown at End of Report Period, Estimated Date of Startup: 11/12/94

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

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

(9928MM/100894/4)

, . ~. .. . . . . . .- _.. _ - . . . - - . . . ~ ,

Ti-  :

C. AVERAGE DAILY UNIT POWER LEVEL DOCKET.NO.. 050-454 {

UNIT: Byron One DATE: 10/08/94 COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 x2282 MONTH: September, 1994 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 491 MW 16. -13 MW

2. 475 MW 17. -13 MW i

3. 464 MW 18 -13 MW 4, 458 MW 19. -13 MW

5. 455 MW 20. -13 MW

6. 452 MW 21. -13 MW

7. 416 MW 22. -13 MW

8. -10 MW 23. -13 MW

9. -14 MW 24. -14 MW

10. -14 MW 25. -15'MW

11. -14 MW 26. -14 MW

12. -14 MW 27. -13 MW

13. -13 MW 28. -12 MW

14. -13 MW 29. -12 MW

15. -13 MW 30. -12 MW

31. ,

1 INSTRUCTIONS l 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/100894/5) i i

_ _ , . . , , l

Report Period: September, 1994 UNIT SHUTDOWNS / REDUCTIONS

• BYRON *

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

No. Date Type Hours Reason Method LER Number System Component cause & Corrective Action to Prevent Recurrence 5 09/08/94 S 551.2 C 2 Began B1R06 U-1 RX Tripped on SR High Flux Just As Reactor Power Had Decreased Below P-10.

t

• 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/100894/6)

o. .

1 L UNIOUE' REPORTING REOUIREMENTS (UNIT 1) for the month of Sectember. 1994 l

1. Safety / Relief valve operations for Unit One.

I 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 = 0 pCi/CC I

i l

l I

I l

1 (9928MM/100894/7) l I

5

'F. LICFNSEE EVENT REPORTS (UNIT 1)

The following is a tabular summary of all Licensee Event Reports for j Byron Nuclear Power Station, Unit One, occurring during the reporting period, September 1, 1994 through September 30, 1994. This information is provided  !

pursuant to the reportable occurrence reporting requirements as set forth in  ;

10CFR 50.73. l 4

Occurrence Licensee Event Report Number Date Title of Occurrence 454: 94-009 09/08/94 Reactor Trips Due To SSPS Circuit Board Failure.

454: 94-011 09/24/94 IST Surveillances For Several Valves Performed Past Critical Dates.

1 I

l l

1 (9928MM/100894/3) l l

i .

1 4

II. Monthly Report for Byron inTIT 2 for the month of September 1994 A. Summary of Ooerating Experience for Unit 2 The Unit began this reporting period in Mode 1 (Power operations).

l l

l .

(9928MM/100894/9) i l

t l

, . _ , _ _. ~. -. . . _.

.s -  :

D. OPERATING DATA REPORT DOCKET NO.t 050-455 UNIT: Byron Two DATE: 10/08/94 COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: September, 1994. 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 t

THIS MONTH YR TO DATE CUMULATIVE *

5. Report Period Hrs. 720 6,551 62,352

6. Rx Critical Hours 669.5 6,500.5 54,306.4

-7. Rx Reserve Shutdown Hours 0 0 0

8. Hours Generator on Line 664.2 6,495.2 53,700.8

9. Unit Reserve Shutdown Hours 0 0 0

10. Gross Thermal Energy (MWH) 2,096,254 21,525,120 157,597,047

11. Gross Elec. Energy (MWH) 718,605 7,400,461 53,583,735 12.' Net Elec. Energy (MWH) 685,737 7,069,244 50,852,471

13. Rea;Lur Service Factor 92.99 99.23 87.10

14. Reactor Availability Factor 92.99 99.23 87.10 1

15. Unit Service Factor 92.25 99.15 86.13

16. Unit Availability Factor 92.25 99.15 86.13

17. Unit Capacity Factor (MDC net) 86.19 97.66 73.81

18. Unit Capacity Factor (DER net) 85.04 96.35 72.82

19. Unit Forced Outage Hrs. 55.80 55.80 1,399.2

20. Unit Forced Outage Rate 7.75 0.85 2.54

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) None

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

(9928MM/100894/10) i y c. _ - _ .

. . - . _ - ~ .. - - - - . . . . - .~ ..

14l - >

C. AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.: 050-455 UNIT: Byron Two DATE: 10/08/94 COMPILED BY: R. Colglazier TELEPHONE: (815)234-5441 x2282 MOtmI: September, 1994 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 1011 MW 16. 1111 MW

2. 1080 MW 17. 1119 MW 3; 800 MW 18, 1031 MW l- 4, 786 MW 19. 1085 MW

5. 848 MW 20. 1114 MW

6. 1043 MW 21. 1116 MW

7. 1088 MW 22. 1119 MW

8. 1091 MW 23. 1128 MW

9. 1083 MW 24. 468 MW

10. 1082 MW 25. -14 MW

11. 1060 MW 26. 46 MW

-L

12. 1092 MW 27, 527 MW

13. 1093 MW 28. 1113 MW

14. 1095 MW 29, 1121 MW

15. 1103 MW 30, 1114 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.

l (9928MM/100894/11) i

Report Period: September, 1994

• BYRON

• UNIT SHUTDOWNS / REDUCTIONS (UNIT 2) **************************

a No. Date Tyne Hours Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence 5 09/24/94 F 55.8 A 3 RD Control Card Failure Causing Rod Drop And Subsequent Card Forced Outage B2F15 4

• 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-Ol61)

(9928MM/100894/12)

'a '

t E. UNIOUE REPORTING REOUIREMENTS (UNIT 2) for the month of September 1994 l

1. Safety / Relief valve operations for Unit Two.

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

]

. None l

I

2. Licensee generated changes to ODCM. I None I

3. Indications of failed fuel.

l No. Fuel Reliability Indicator: FRI = 2.78 E-5 pCi/CC l 1

I (9928FBf/1008 94 /13 )

J- ;

, 1 l

,- 1 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, 1994 through September 30, 1994. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licensee Event Report Number Date Ti.tle of Occurrence 94-002 09/23/94 Rod Urgent Failure Alarm Causes SDB To Remain In Core.94-003 09/24/94 Auto Start Of The 2B AF pumps On LoLo Steam Generator Level.94-004 09/24/94 Reactor Trip On Negative Flux Rate.

(9928MM/100894/14)