ML20217A195

Monthly Operating Repts for Oct 1990 for Braidwood Nuclear Power Station

ML20217A195
Person / Time
Site:	Braidwood
Issue date:	10/31/1990
From:	Dundek K, Kofron K COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BW-90-1118, NUDOCS 9011200221
Download: ML20217A195 (14)

Text

.. _ _ . _ _ _ _ _ _ __ _ _ _ _ _ _ _ _

r'= T' Commonwo-ith Edison S 4 [ -

t Brildwood Nucint Pour St: tion

, .! __ y Rout 3 c1, Box 84

\ v Braceville, Illinois 60407

\ Telephone 815/458-2801  ;

November 8,1990 V

BW/90-1118 I

Director, Office of Resource Management l United States Nuclear Regulatory Commission Washington, D.C. 20555 ATTN: Document Control Desk Gentlemen: 1 Enclosed for your information is the Monthly h'rformance Report l

covering Braidwood Nuclear Power Station for the period October 1 through October 31,1990.

Very truly yours, K. L. Ko r .

Station Manager Braidwood Nuclear Station KLK/EWC/cif i (166/ZD85G)

Attachments .

cc: A. B. Davis, NRC, Region Ill NRC Resident inspector Braidwood l

111. 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 Braidwood Station Nuclear Group. Tech Staff Braidwood Station S. Sands - USNRC A. R. Checca D.R. Eggett-Nuclear Engineering Department i

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BRAIDWOOD NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT l'

COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-456, LICENSE NO. NPF-72 i

NRC DOCKET NO. 050-457, LICENSE NO. NPF-77 i l

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I .* Monthly Report for Braidwood Unit 1 A Summary of Operatina Experience The unit entered the month of October in a forced outage

! to repair the Solid State Protection System, h:siliary Feedwater Control Valves and Main Steam Line .upports.

The unit returned to power October 22, 1990 ar.S continued power generation through the remainder of the month.

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(166/ZD85G/3)

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B. OPERATING DATA REPORT DOCKET NO.: 50-456 UNIT Braidwood 1 DATP.: 11/10/90 COMPILED BY K. M. Dundek '

TELEPHONE: (815)458-2801 ext. 2480 OPERATING STATUS

1. Reporting Period October, 1990 Gross Hours: 745

2. Currently Authorised 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 which' restricted (If Any): None

4. Reasons for restriction (If Any): None THIS MONTH YR TO DATE CUMULATIVE..

5. Report period Hours: 745 7206 19785

6. Hours Reactor Critical 230.4 6454.9 .. 15552.1

7. RX Reserve Shutdown Hours: 0. 0 . 0.0 0.0

8. Hours Generator on Line 234.7 6420.0 15270.5

9. Unit Reserve Shutdown Hours: 0.0 0.0 0.0

10. Gross Thermal Energy (MWH): 724077 20419989 45223197

11. Gross Elec. Energy (MWH): 249326 7065972 15546039 ,...

12. Net Elec. Energy (MWH): 232400 6789741 14846912

13. Reactor Service Factors 32.1 88.5 78.6 14.- Reactor Availability Factors 32 1. 88.5 78.6

15. Unit Service Factors 31. 5_ _ 88.0 77.2

16. Unit Availability Factors 31.5 __ 88.0 7 7 . 2__

17. Unit Capacity Factor (MDC net): 27.9 83.1 67.g_

18. Unit Capacity Factor (DER net): 27.0 83 1 67.0

19. Unit Forced Outage Rates 68.5 12.0 8.3 I

20. Unit Forced Outage Hours: 510.3, 875.1 1375._4__

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

22. If Shutdown at End of Report Period, ]

Estimated Date of Startups (166/ZD85G/4)

t C. $yERAGEDAILYUNITNETPOWERLEVELLOG DOCKET NO.: 50-456 UNIT Braidwood 1 DATE: 11/10/90 ,

COMPILED BY K. M. Dundek TELEPHONE: (815)458-2201 ext. 2480 ,

MONTH: October, 1990

1. - 14 17. - 14

2. - 14 18. - 15

3. - 14 19. - 15

4. - 14 20. - 15

5. - 14 21. - 15

6. - 14 22. 201

7. - 14 23. 677

8. __ - 14 24, 1112

9. - 14 25. *1134

10. - 15 26. *1135

11. - 15 27. *1134

12. - 14 28. *1134

13. - 14 29. *1134

14. -14 30. *1135

15. -14 31. *1140

16. -14 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 not electrical i 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 (166/ZDs5G/5) 1

D. UN_Il SHUTDOWNS / REDUCTIONS DOCKET NO.: 50-456 ,

UNIT: Braidwood 1 DATE: 11/10/90 .

COMPILED BY: K. M. Dundek j TELEPHONE: (815)458-2801 ext. 2480 REPORT PERIOD: October, 1990 No DATE T7PE HOURS REASON METHQD LER NUMBER :s s:..x QLMPQWENT CAUSE & CGREECIIVE ACTION TO PREVENT RECURRENCE 4 900929 F 510.3 A 3 90-018 JG CBD Continuation of Outage caused by spurious "B" Train Solid State Proection System Actuations.

Several Control Boards were replaced and the system was returned to service.

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TYPE REL.,d METHOD 51stui & COriiivuesA 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 Examin.. tion 5 - Reduced Load (LER) File (NUREG-0161)

F-Administration 9 - Other G-Oper Error H-Other i

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F. L'ICENSEE= EVENT REPORTS - UNIT 1 The following is a tabular summary of all Licensee Event Reports submitted during the reporting period, October 1 through October 31,'1990. This information is provided pursuant to the 7 reportable occurrence reporting requirements as set forth in 10 CFR 50.73. l Licensee Event Report Report.yumber. Date Title of occurrence 90-017 10-05-90 Inadequate Thrust Capability of  ;

Auxiliary Feedwater Valve Operators  ;

due to Pre-Service Design Deficiency.

,90-018 10-29-90 Spurious Train B Solid State Protection System Actuation due to a Component Failure, Personnel Error and Component Design Interface Deficiency.

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(166/ZD85G/8)

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I.. Nonthly Report for Braidwood Unit 2 A. Summary._of Operatina Experience The unit entered the month of October at approximately 964-  !

reactor. power. On October 27, 1990 a load reduction was ,.

initiated to repair a leaking check valve on the feedwater isolation valve operator. The repair was completed and

.; < c the unit was returned to full power on October 30, 1990.

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1 B.' QEERATIFG DATA REPORT DOCKET NO.: 50-457 UNIT: Braidwood 2 7 DAYt - 11/10/90 COMPILED B): K. M. Dundek TELEPHONE: (815)458-2801 ext. 2480 OPERATING STATUS

1. Reporting Period October, 1990 Gross Hours: 745

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

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

4. Reasons for restriction (If Any): None THIS MONTH YR TO DATE CUMULATIVE

5. Report period Hours: 745 7296 17867

6. Hours Reactor Critical: 745 5440.2 14575.5 17 . RX Reserve Shutdown Hours: 0.0 0.0 0.0.

8. Hours Generator on Lines 745 5386.4 14447.2

9. . Unit Reserve Shutdown Hours: 0.Q_ 0.0 0.0 10 .^ Gross Thermal Energy (MWH): 2316935 .14809429 40650387-

11. Gross Elec. Energy (NDRI): 800624 5029464 13920852 12 . - Net Elec. Energy (MWH): 765166 4783611 13276586

!.1 13. Reactor Service Factor 100 74.6_ 81.6

14. Reactor Availability Factors. 100 74.6 81.6

15. Unit Service Factor: 100 73.8 80.9

16. . Unit Availability Factor: 100 73.8 80.9 17 . - Unit Capacity Factor (MDC net): 91.7 58.5 66.3 18 . ' Unit Capacity Factor (DER net): 91.7 58.5 66.3

19. Unit Forced Outage Rate: 0.0 2.7 4.1

20. Unit Forced Outage Hours 'O.0 147.9 613._6

! 21. Shutdowns Scheduled Over Next 6 Months: None

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

1 (166/ZD85G/10) 1

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$EERAGE DAILY- UNIT NET POWER LE /EL LOG DOCKET NO.: 50-457 UNITI Braidwood 2 DATE: 11/10/90 l COMPILED BYt K. M. Dundek TELEPHONE: (815)458-2801 1 oxt. 2480 ,

MONTH: October, 1990 i i

.1. 1084 17. 1107

2. 1115 18. 1116

3. *1123 19. 1118 I

4. 1120 20, 1120

5. 1094 21. 1115

6. 1114 22. 1093

7. 969 23. *1135

8. 1060 24. *1137 j

9. *1123 25. *1132

10. 1118 26, 1076

11. 1119 27. 242

12. *1130 28. 303

13. *1129 29. 529

14. , 1055 30. 946 15, 1115 31. 1094 t

16. *1124 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' *Due.to Condenser Efficiencies i

(166/ZD850/11)

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b D. ILNIT SHUTDOWNS / REDUCTIONS DOCKET NO.: 50-457 .

UNIT: Braidwood 2 DATE:11/10/90 . .

COMPILED BY: K. M. Dundek TELEPHONE: (815)456-2801 ext. 2480.

REPORT PERIOD: October, 1990 No DATE TYPE HOURS REASON METHOD' LER NUMBER SYSTEM COMPOWENT CAUSE & CORRECTIVE ACTION TO PREVENT RICURRENCE 4 901027 F 0 A 5 NA FN INV Reduced load to repair a leaking check valve on a feedwater isolation valve operator.

Repair was completed and the unit was returned to full power.

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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-Rafueling 3 - Auto Scram Data Entry Sheet

! D-Regulatory Restric'. ion 4 - Continued Licensee Event Report I E-Operator Training E. License Examination 5 - Reduced Load (LER) File (NUREG-0161)

F-Administration 9 - Other G-Oper. Error H-Other l

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• F. LICENSEE EVENT REPORTS - UNIT 2 i.

The following is a tabular summary of all Licensee Event Reports submitted during the reporting period, October 1 through .

October 31, 1990. This information is provided-pursuant to the  ;

reportable occurrence reporting requirements as set forth in 10 CFR 50.73.

Licensee Event Report Report Number _ DAtg Title of Occurrence NONE i

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