ML20207N588

Monthly Operating Repts for Sept 1988 for Byron Nuclear Power Station Units 1 & 2

ML20207N588
Person / Time
Site:	Byron
Issue date:	09/30/1988
From:	Pleniewicz R, Spitzer D COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
BYRON-88-1070, NUDOCS 8810190236
Download: ML20207N588 (14)

Text

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BYRON NUCLEAR POWER SThrION UNIT ) AND UNIT 2 MOlmILY PERFORMANCE REPORT COMMONWEALTil EDISON COMPANY NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPP-37 LICENSE NO. NPP-66 f

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(0625M/0062M-2) e'[ '

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GS10190236 880930 PDR ADOCK 050004'54 R PDC

I. !4onthly Riport for Byron Unit 1 for the month of S:ptsmber 1988 A. Sumary of Operating _ Experience for Unit 1 The unit began this reporting period in Mode 1 at 94% power. The unit i operated at power levels of up to 94% until 09/03/88 when Mode 2 (Startup) was entered for the unit's second refueling outage. The turbine was taken off line at 0141 the same day. Mode 6 (Refueling) was entered at 1200 on  ;

09/16/88. The unit remained in Mode 6 for the rest of the reporting l period. l 4

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, *g . $PERATINGDATAREPORT DOCKET NO.: 050-454 UNIT: Byron One DATE: 10/10/88 COMPILED BY: D. J. Spitzer TELEPilONE: (815)234-5441 x2023 OPERATING STATUS

1. Reporting Period: September 1988. Gross Hours: 720

2. Currently Authorized Power Level: 3411 (MWt)

Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Rating: 1120 (HWe-net)

Max Dependable Capacity: 1105 (MWe-net)

3. Power Level to Which Restricted (If Any): 1097 (MWe-net)

4. Reasons for Restriction (If Any): Steam Generator Split Flow (23MW)

TilIS MONT11 YR TO DATE CUMULATIVE *

5. Report Period firs. 720 6575 26664

6. Rx Critical llours 50.7 5176.4 20488.4

7. Rx Reserve Shutdown Ilours 0 0 37.8

8.  !!ours Gonorator on Line 49.7 5144.4 20105.4

9. Unit Reserve Shutdown flours 0 0 0

10. Gross Thernal Energy (MWil) 148423 16148483 59744333

11. Gross Elec. Energy (MW11) 50500 5410014 20035791 4

12. Net Elec. Energy (MWil) 38281 5098576 18838053

13. Reactor Service Factor 7.0 78.7 76.8

14. Reactor Availability Factor 7.0 78.7 76.8

15. Unit Service Factor 6.9 78.2 75.4

16. Unit Availability Factor 6.9 78.2 75.4

17. Unit Capacity Factor (MDC net) 4.8 70.2 63.9

18. Unit Capacity lactor (DER net) 4.7 69.2 63.1

19. Unit Forced Outage fles. 0 122.5 1034.6

20. Unit Forced Outage Rate 0 2.3 4.9  !

21. Shutdowns Scheduled Over Next 6 Months:

22. If Shutdown at End of Report Period, Estimated Date of Startup

11/06/88

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

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

P (0625M/0062M-1)

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, Co AVERAGE DAILY UNIT POWER tE _/EL DOCKET No.: 050-454 UNIT: Byron One '

DATE: 10/10/88 -l COMPILED BY: D. J. Spitser r TELEPHONE: (815)234-5441 x2023 i MONTH: September, 1988  ;

t it 3 DAY AVERAGE DAILY POWER LEVEL f (MWe-Net) r 1. 1040 MW 16. -13 MW l

2. 942 MW 17. -14 MW

3. -13 MW 18. -12 MW j

4. -23 MW 19. -11 MW ,

5. -12 MW 20. -10 MW t

6. -9 MW 21. -12 MW

7. 22. -14 MW  ;

_-10 MW

, 8. -12 MW 23. -14 MW

9. -14 MW 24. -13 MW  !

10. -14 MW 25. -15 MW j

11. -14 MW 26. -15 MW ,

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12. -14 MW 27. -14 MW  !

13. -14 MW 28. -14 MW [

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14. -13 MW __

29. -14 MW ,

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-12 MW 30. -14 MW j 13.

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I INSTRUCTIONS t l

l On this form list the average daily unit power level in M'fe-Net for each day i in the reporting month. Coropute to the nearest whole megawatt. These figures  ;

will be used to plot a graph for each reportir.g month. Note that when maximum j 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-5)

cecccccccenocee cearecce** ,

Report Period September, 1988 UNIT SIUfDCRIS/ REDUCTIONS 0 BYRON O (UNIT 1) ************************** -

No. Date M e_ Hours Reason Method LER Number System Cornponent Cause & Corrective Action to Prevent Recurrence

11. 09/03/88 S 670.3 C 1 Scheduled Refueling Outage BIR02 coco ***********

a Summary a ococe**********

TYPE Reason Method System & Component F-Forced. A-Equip Failure F-Ad:nin 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 (h M 0161)

(0625M/0062M-6)

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.$. bHIQUE REPORTING REQUIREMENTS (UNIT 1; fer th7 month rf September 1988

1. Safety / Relief valve operations for Unit Ono.

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

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

No

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

N/A Refueling Outage l

(0625M/0062M-7)

• , 'f . k.ICENSEE EVDrr REPORTS (UNIT 1)

The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit one, submitted during the reporting period, September 1 through September 30, 1988. 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 88-006-00 08/26/88 ruel llandling Building Booster Fan Actitation due to Voltage Transient Caused by Fallen Static Line.

1 (0625M/0062M-8)

II. Monthly _ Report fer Byron Unit 2 for tho month of September 1988 A. Sunnary__of_0geratino Experience for Unit _2 The unit began this reporting period in Mode 1 (Power Operation) at approximately 28% power. By 0800 on 09/01/88 power was increased to 60.7%. The unit operated at power levels of up to 94% until 09/06/88 when power was reduced for the load dispatcher. The unit operated at power leve'.s cf up to 69% for the rest of the reporting period.

(0625M/0062M 9)

, ,h, OPERATING DATA REPORT DOCKET NO t 050-455 UNIT Byron Two DATE: 10/10/88 COMPILED BY D. J. Spitzer TTLEPl!ONE: (815)234-5441 l x2023 OPERATING STATUS

1. Reporting Period September 1988. Gross llourst 720

2. Currently Authorized Power Level 3411 (HWL)  ;

Design Electrical Ratin.g 1175 (MWe-gross) '

Design Electrical Rating: 1120 (MWe-net)  ;

Max Dependable Capacity: 1105 (MWe-net)  :

3. Power Level to Which Restricted (If Any): 1055 (HWe-net)

4. Reasons for Restriction (If Any): Steam Generator Split Flow. (65 MW) f Ti!It' MONTH YA TO DATE CUMULATIVE *  !

5. Report Period !!rs. 720 6575 9768  :

6. Rx Critical llours 720 6481,9 8811.1

7. Rx Reserve Shutdown llours 0 0 0

8.  !!ours Generator on Line 720 6231.2 8511.6 i j 9. Unit Reserve Shutdown llours 0 0 0 ,

10. Grcss Thermal Energy (MW!!) 1375537 16874453 23346617

11. Gross Elec. Energy (MWil) 461258 566669 7770977 ,

12. Net Elec. Energy (MilH) 427129 5331758 7302659  ;

l 13. Reactor Service Factor 100 98.5 90.2  ;

14. Reactor Availability Factor 100 98.5 90.2 f

15. Unit Service Factor 100 94.8 87.1 ,

16. Unit Availability Tactor 100 94.8 87.1

17. Unit Capacity Tactor (MDC net) 53.7 73.4 67.7 i t

18. Unit Capacity Tactor (DER net) 53.0 72.4 66.6 l

19. Unit Forced Outage !!rs. 0 156.2 443.2 [

! 20. Unit Forced Outage Rate 0 2.7 5.4 (

21. Shutdowns Scheduled Over Next 6 Months: 1/7/89 L

22. If Shutdown at En's of Report Period, Estimated Date of Startupt i 23. Units in Test Status (Prior to Commercial Operation): None i

• Note - The cumulative nunters do not reflect power generated prior to commercial service, i

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. C. < AVERAGE DAILY UNIT POWER LEVEt DOCKET NO.s 050-455 UNIT: Byron Two

, DATE: 10/10/88 COMPILED BY: D. J. Spitzer TELEPHONE: (815)234-5441 x2023 MONTH: September, '.968 r,

' DAT AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 723 MW 16 . . 763 MW ,

2. 865 MW ,_

17. 738 MW 4 3. 938 MW 18. , 720 MW

4. 986.MW , 19 . . _ 717 MW

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1019 MW 20. 71fi_MW

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976 MW 21. 677 MW

7. 760 MW .22. 462 MW _

8. 508 MW 23. 403 MW ,

9. 406 MW- 24, 396 MW

10. 405 MW 25. 402 MW

11. 405 Mi 26, 405 MW

12. 410 AW 27. __,,405 MW

13. ,, 413 MW 28. 404 MW . . _ ,

14. 412 MW 29. 405 MW . , _  ;

15. ,_ 544 MW 30. 405 MW h

INSTRUCTIONS On this form list the average daily unit power level in MWe-Net for each day I 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 maxistum i

dependable capacity is used for the not electrical rating of the unit thoro 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 t

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

(0625M/0062M-11) i- - - - _ _ - , _

4 ococe sceae: ecee:eemreco .'

o BYRON O Report Period Septecber. 1988 UNIT SHUTDOWNS / REDUCTIONS 0000000000000000000C0000c0 (UNIT 2) s- .

~ No. Date Type Hours Reason Method LER Number System Cooponent Cause & Corrective Action to Prevent Recurrence

17. 09/06/88 H 5 Reduced Load Per SPSO l

18. 09/22/83 H 5 Reduced Ioad Per SPSO i

J ococoneeeemmene o S e ry

• ocoon....... a Reason Method System & Component TYPE F-Forced A-Equip Failure F-Admin 1-Manual- Exhibit F & H S-Schad B-Maint or Test G-Oper Error 2-Manual Scram Instructions for C-Refueling H-Other 3-Auto Scram Preparation of 4-Continued Data Entry Sheet D-Regulatory Restriction Licensee Event Report E-Operator Training 5-Reduced Ioad

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

(0625M/0062M-12)

E. UNIQUE REPORTING PROUIRDENTS (UNIT 2) for tha month of Stptsmber 1988

1. Safety / Relief valve operations for Unit Two.

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

.None

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

No

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

Yes. No steady state data.

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(0625M/0062M-13)

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. F. LICENSEE EVENT REPORTS (UNIT 2)

The following is a tabular sumnary of all Licensee Event Reports for Byron

~ Nuclear Power Station, Unit Two, submitted during the reporting period, '

September 1 through September 30, 1988. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CER i

50.73.

Occurrence Licensee Event Report Number Date Title of Occurrence None i

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l x Commonwzith Edison Byron Nucleir Station

.; 4450 North German Church Road v Byron, Illinois 61010 (

October 10, 1988 I

Director, Office of Management Information I and Program Control j United States Nuclear Regulatory Consission ,

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, 1988.

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Sincerely, l

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Ork R. Plenlewicz Station Manager Byron Nuclear Power Station 4

cc: A.B. Davis, NRC, Region III NRC Resident Inspector Byron i

Gary Wright, Ill. Dept. of Nuclear Safety T.J. Maiman/K.L. Graesser

! H. E. Bliss Nuclear Puel Services, PWR Plant Support L. Anastasia, Station Nuclear Engineering l INPO Records Center L. Olshan - USNRC i

LTR: BYRON 88-1070 l

FILE: 2.7.200 i

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