ML20067D288

Monthly Operating Repts for Jan 1991 for Braidwood Nuclear Power Station,Units 1 & 2

ML20067D288
Person / Time
Site:	Braidwood
Issue date:	01/31/1991
From:	Dundek K, Kofron K COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BW-91-0119, BW-91-119, NUDOCS 9102130019
Download: ML20067D288 (14)

Text

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) Comm:nw:alth Braidwood Nuclear Power RWte #1, Box 84 Edison Station

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• \ Braceville illinois 60407 v Telephone 815/458-2801 February 8,1991 BW/910119 Director, Office of Resource Management United States Nuclear Regulatory Commission Washington, D.C. 20555

' ATTN: Document Control Desk Gentlemen:

Enclosed for your information is the revised Monthly Pedormance Report covering Braldwood Nuclear Power Station for the period January 1 through January 31,1991.

Very truly yours,

%4 K. . KofronN Station Manager Braldwood Nuclear Station KLK/EWC/cif (227/ZD85G)

Attachments cc: A. B. Davis, NRC, Region ill NRC Resident inspector Braldwood lil. Dept. of Nuclear Safety '

M. J. Wallace K. L. Graesser T.J.Kovach Nuclear Fuel Services, PWR Plant Support INPO Records Center Performance Monitoring Group, Tech Staff Braldwood Station Nuclear Group Tech Staff Braidwood Station R. Pulsifer - USNRC A. R, Checca D. R. Eggett - Nuclear Engineering Department 91o213oo19 91o131 PDR ((

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,' .s BRAIDWOOD NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-456, LICENSE NO. NPF-72 HRC DOCKET NO. 050-457, LICENSE NO. NPF-77 1

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

I. Monthly Report for Braidwood Unit 1 A. Sumianry of OPR atingl xperienen Braidwood Unit i entered the month of January in a forced outage due to a neutral ground overcurrent trip off the main generator. The unit remained in the outage the entire month.

(227/ZD85G)3

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4 y D. OEIRAIING DATA REEQRT DOCKET NO. 50-456 UNIT Draidwood 1 DATE: 02/10/91 COMPILED DY: K. M. Dundek TELEPHONE: (815)458-2801 ext. 2480 OP: HATING STARIS

1. Reporting Period: January, 1991 Gross Hours: 744

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

3. Power level to whlch restricted (If Any): None

4. Reasons for restriction (If Any): None TilIS MONTH YR TO DATE ,,_ CUMULATIVE -

5. Report period Hours: 744 744__ 21993

6. Ilours Reactor Critical Ad 01Q 16927.3

7. RX Reserve Shutdown Hours: 0.0. 0.0 0.0

8. Ilours Generator on Line O d_ 0.0 16630.9

9. Unit Reserve Shutdown flours: 0 .D_ 0.0 0.0

10. Gross Thermal Energy (MWH): 0.0 0.0 19151Q10

11. Gross Elec. Energy (MWil): O t Q._. 0.0 17080641

12. Het Elec. Energy (MWH) - _1C191 _ __-10096 16311660

13. Reactor Service Factor 0.0 0.0 7 7 .D._

14. Reactor Availability. Factor 0.0 0.0 77.0

15. Unit Service Factor 0.0 DQ 75.6

16. . Unit Availability Factor 0 _Q_, 0.0 75.6

17. Unit Capacity Factor (MDC not): - 1 2_,

-1.2 61.jl.,

18. Unit Capacity Factor (DER net): -1.2 -1.2 66.2

19. Unit Forced Outage Rate 100 100 11.8

20. Unit Forced Outage Hours: 744 744 2223

21. Shutdowns Scheduled Over Next 6 Months: Refueling Outage - February, 1991

22. If Shutdown at End of Report Period, Estimated Date of Startups May_2L._1191 _

i I

(227/ZD85G)4 l

4 C. AYIEAGE _ DAILY UNIT NET POWER LEVEL LQG DOCKET NO. 50-456 UNIT: Braidwood 1 DATE: 02/10/91 COMPILED BY K. M. Dundek TELEPHONE: (815)458-2801 ext. 2480 MONTH: i'anuary, 1991

1. -14 17. -13

2. -14 18. -14

3. -14 19. -13

4. -14 20. -13

5. -14 21. -12

6. -14 22. -14

7. -13 28 -13

8. -13 24. -13

9. -13 25. -13

10. -13 26. -13

11. -13 27. -13 3

12. -13 28. -13

13. -13 _ 29. -13

14. -13 30. -13

15. -13 31. -14

16. -13 INSTRUCTIONS On this form list the average daily unit power level in HWe-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.

• Due to Condenser Efficiencies (227/ZD85G)5 l

DCCKET NO.: 50-456

-D. UNIT SHUTDOWNS / REDUCTIONS UNIT: Braidwood 1 DATE: 02/10/91 ' '

COMPILED BY: K. M. Dundek TELEPHONE: (815)458-2801 ext. 2480 REPORT PERIOD: January, 1991 t

_FJ2_ D1i[E TYPE HOURS REASON METHOD LER NUMBER SISTEM COMPONENT CAUSE & CORRECTIVE ACTION TO PREVENT RECURRENCE 6 901230 F 744 A 4 90-023 TG GEN This outage is continued from the previous month when the Neutral ground overcurrent trip of main generator occurred. The fault was caused by a vent spacer coming loose and damaging a bottom coil in the stator. The failure is considered to be an isolated event.

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SUMMARY

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METHOD SYSTEM & COMPONENT TYPE REASON 1 - Manual Exhibit F & H F-Forced A-Equipment Failure Maint or Test Instructions for Preparation of 2 - Manual Scram S-Scheduled B-Maint or Test Data Entry Sheet C-Refueling 3 - Auto Scram 4 - Continued Licensee Event Report D-Regulatory Restriction E-Operator Training & License Examination 5 - Reduced Load (LER) File (NUREG-0161)

F-Administration 9 - Other G-Oper Error H-Other (227/ZDS5G)6

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F. LLCEl(SEE EVENT REEDR'IS - tJHII_1 The following is a tabular summary of all Licensee Event Reports submitted during the reporting period, January 1 through January 31, 1991. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10 CFR 50.73.

Licensee Event Report RegnIt Number Data Title of Occurrence 90-022 01-04-91 Inadequate Fuel Handling Duilding Crane Interlocks due to an apparent preservice design deficiency.90-023 01-28-91 Reactor trip caused by Main t Generator Phase C ground fault.

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1. Monthly Report for Braldwood Unit 2 A. Summary sL0parating3xperhnce Braidwood Unit 2 operated routinely in January with no outages or significant power reductions.

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i (227/ZD85G)9

D. OEERAIlliG_IATA_ltEEORT DOCKET NO.: 50-457 UNIT: Braidwood 2 DATE: 02/10/91 COMPILED BY K. M. Dundek TELEPilONE: (815)458-2801 ext. 2480 OPERATING STATUS

1. Reporting Period: January, 1991 Gross llours 744

2. Currently Authorized Fower Level (MWt): 3411 Design Electrical Rating (MWe-gross): 1175 Design Electrical Rating (HWe-net): 1120 Max Dependable Capacity (HWe-gross): 1175 Max Dependable Capacity (HWe-net): 1120

3. Power level to which restricted (If Any): None

4. Reasons for restriction (If Aty): None IllIS MONTH YR TO DATE CUl{UldTlYE

5. Report period Hours: 744 744 20075

6. 11ours Reactor Critical 744 744 16783 5

7. RX Reserve Shutdown Hours: 0.0 Q19 0.0

8. Ilours Generator on Lines 744 744 16655 1

9. Unit Reserve Shutdown Hours: 0.0 0.0 0D 1

10. Gr* ss Thermal Energy (MWil): 2498943 2498943 12jQBJJ1_,

11. Gross Elec. Energy (HWH): .862442 . . . . 862441__ 15397216

12. Net Elec Energy (MWH): 835632 835632 15663111__

13. Reactor Service Factor 100.0 100.0 83 1

14. Reactor Availability Factor: 100.0 100.0 83.6

15. Unit Service Factor 100.0. 100.0 83.0

16. Unit Availability Factors 100.0 1002 D 83,D

17. Unit Capacity Factor (MDC net): 100.3 100.3 69.7

18. Unit Capacity Factor (DER net): 100.3 1QQ22 69 2

19. Unit Forced Outage Rate: 0.0 0.0 3.6

20. Unit Forced Outage llours: 0.0 0.0 61121

21. Shutdowns Scheduled Over Next 6 Months: None

22. If Shutdown at End of Report Period, Estimated Date of Startups (227/ZD85G)10

C. AYXRAGE DAILY UNIT NET POWER LEVEL LQG DOCKET NO.I 50-457 UNIT Braidwood 2 DATE: 02/10/91 COMPILED BY K. M. Dundek TELEPHONE: (815)458-2801 ext. 2480 MONTH: . January, 1991

- 1, 1117 17. *1132

2. 1093 18. *1132

3. *1125 19. *1124

4. *1126 20. 1055

5. *1122 21. *1129 6.- *1125- 22. *1134

7. *1136 23. *1136 8.. *1140 24. *1136

9. *1139 25. *1136

10. *1136 26. *1127

11. *1137 27. *1127 12.- *1140 28. 1100

13. *1139 29. 1118

14. *1139 30. *1131

15. 1066 31. *1131

16. 1075  ;

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.

i 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 l'

level exceeds the 100% line (or the restricted power level line). In i: .such cases lthe average daily unit power output sheet should be footnoted to explain the apparent anomaly.

• Due to Condenser Efficiencies (227/Z0050)11 v- , s t r ny em m ., - ,e r ,,-.,,mr ,,.,,.+.+,-e, , - - - - . , - + , - < , . . . . - - - - - ,-- -- ~ ,.,, r-.~, - - , ,

D. UNIT SHUTCOWNS/ REDUCTIONS DOCKET NO.: 50-457

• UNIT: Braidwood 2 DATE: 02/10/91 COMPILED BY: K. M. Dundek TELEPHONE: (815)458-2801 ext. 2480 REPORT PERIOD: January, 1991 i

No DATE TYPE HOURS REASON METHOD LER NUMBER SYSTEM CCMPONENT CAUSE & CORRECTIVE ACTION TO PREVENT RECURRENCE

? NONE

SUMMARY

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TYPE REASON METHOD SYSTEM & COMPONENT F-Forced A-Equipment Failure Maint or Test 1 - Manual Exhibit F & H S-Scheduled B-Maint or Test 2 - Manual Scram Instructions for Preparation of C-Refueling 3 - Auto Scram Data Entry Sheet D-Regulatory Restriction 4 - Continued Licensee Event Report E-Operator Training & License Examination 5 - Reduced Load (LER) File (NUREG-0161)

F-Administration 9 -- Other G-Oper Error H 9ther (227/ZD85G)12

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F. LifEHjIE EVENT REPDRI!L- UNIT _1 The following is a tabular summary of all Licensee Event Reports submitted during the reporting period, January 1 through January 31, 1991. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10 CTR 50.73.

Licensee Event Report Repsrt Number DAte. Iltle of Occurrgate Hone d

3, (227/ZDB50)14