ML20079P445

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

ML20079P445
Person / Time
Site:	Braidwood
Issue date:	10/31/1991
From:	Kofron K, Pershey C COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BW-91-0806, BW-91-806, NUDOCS 9111120426
Download: ML20079P445 (14)

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Commonwealth Edison Braideood Nuclear Power Station G Routo #1. Don 84 DraceWile, llhnois 00407 Telephone B15/458-2801 November 10, 1991 DW/91 0806 Director, Office of Resource Management Unit ed St ates Nucleat Regulatory Commission Wasnington, D.C. 20$55 ATTH: Document Control Desa Gentlement Enclosed for your information is the Monthly Performance report covering Draldwood Nuclersi Tower Station for the period October 1 through October 31, 1991.

Vety ttuly your5, a-

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K. L. Kofron [

Station Manager Braidwood Nuclear Station f KLK/EWC/c1f (227/ZD85G)

Attachments cet A. B. Davir., NRC, Region III NRC Resident Inspector Draidwood Ill. Dept. of Nuclear Safety M. J. Wallace K. L. Graesser T. J. Kovach Nucloat Fuel Services. PWP Plata S"ppor' INPO Records Centet Periormnnce Monit or Ing Group, Tech Staff Draidwood Station 4ucleat Group, Tech Staf f Dreidwood St at ion R. Pulsifer - USNi<C T. W. Simpkin D. R. Eggett - Nuclear Engineering Department 4nrh,y-VUV #

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BRAIDWOOD 11UCLEAR POWER STATION -

UNIT ? AllD UllIT 2 MO!ITitLY PERFORMANCE FEPORT i

CCHMONWEALTil EDISON CIX4 Pain NRC DOCKET NO. 050-456, LICENSE NO HPT-72 HRC DOCKET NO. 050-457, LICENSE NO. NPT-77 5 -

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1. Monthly Report for Braldwood Unit 1 A. Surgtary. 0LOpet ating_EspeIitnce Dialdwood Unit 1 enter ed the month of October at approultnotely 98% power. The unit operated routinely until October 6, 1991 when power was reduced to repals a sightglass on a reactor coolant purnp oil reservoir.

On October 10, 1991 power was again tedvted and the generator taken of f line to repalr a f ailed condensete polisher strainer and to clean up feedwater chemistry. The unit returned to rout.ine operation on October 14, 1991 and continued operating routinely through the remainder of the month.

(227/ZD85G)3 l

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• 18 OPEEAT1HQ_DAT/LEEPORT DOCKET Ho.: 50-456 UNIT: Draldwood 1 I DATE: 11/10/91 COMPILED llY: C. E. Posshey TELEPilW E (81$)4bO-2001 est. 2173 OPERATING STA*n!S

1. Reporting Periods October, 1991 Gross llours: 745

2. Currently Authorized Power Level (HWL): 3411 i Design Electrical Rating (MWe-gross): 117$ l Design Electrical Pating (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 l TIILS_MONIll XIL20_ DATE CUlfdLATlYE  ;

5. Report period llours: '145.0 ._.2 2 9 0_ _ 28545

6. Ilours Reactor Critica$' .___ _14 L.0 .. _ 4 02ftil 10953 d_

7. RX Reserve Shutdown Ito s .0,D 0,0 0. 0_

8. Ilours Generator on Line __ _ A411A 3&78..0 __2050245_

9. Unit Reserve Shutdown llours: 0,# 0,0 -- __0 D.__

10. Gross Thermal Energy (MWil): 2050703___ 11042260_._, ID6R'i330 _  !

11. Gross Elec. Energy (MWil): _.200110 J 10AS49 20BA5490 12._ .!!et Elec. Energy (MWH): 121150 J55 2 212._. 19603910-_

13. Reactor Service factor 10.0aQ_ 55.2 71s t -

14 . . Reactor Availability Tactor 10010 5L2 7324 15, Unit Service ractort 8b1_. SLl .lli.U_

16. Unit Availability factor: . _DQ2L 33.,2 ___ 71.Q_

17 Unit Capacity Tactor (MDC not): _0141._ .__43,6 __._ _ 02.2_

18. Unit Capacity Factor-(DER net): BLL . ti sh - fla L

19. Unit Forced Outage Rate: _.__ lhL _ 2. 613 121.B_

20. Ur.it forced Outage llours: 103,L 1511d 30102 L

21. -- -Shutdowns Scheduled Over Next 6 Months:- None-  ;

22. If Shutdown at End of Repor t Pet im1, Estimated Date of Startup: _ . _ .

(227/ZD85G)4

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C. AVIRAGIJM LLUN1Lii tLPCM E R_Lty tt..LDD DOCKET No.: 50-456 UNIT: Drnidwood 1 DATE: 11/10/91 COMPILED BY C. E. Pershey TELEPHONE: (815)458-2801 ext. 2173 l l

MONTH : October, 1991  ;

1. 1Q9D_ 17. *112.4

2. *1134 18. ,*1140  ;

3. *1113 19. 1033

4. 11Q3 20. 1103

5. 1QQQ_, 21. *1134

6. 6(6 22. 1Q9.0

7. *1130 23. *1132_

a. 1103 24. *1145 __

9. J_Z7 25. *1141..

10 - 1.7 26. 1QjGL.  !

11. -17. 27. 111]

12. - 17 28. *1135 t

13. -17 29. *112$_

14. 191 30. *1136

15. _ 750 31. *1141

16. _*1132 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 megawat t. .

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 efficiency.

(227/UD85G)5

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D. UNIT SEU'OCh375/REDUCON3 DOCIET NC.: 50-456 i (TliIT: Braidwood 1 CATE: 11/10/91 COMPILED BT: C. E. Pershey .

TELEPECtTE: (8151458-2801 ext. 2173 REPORT PERIOD: October, 1991 No DATE MI STES REASON M OD LER NUMB C SYFlQi COMPEG CNSE ._& CCREEC~IVE ACTICN TO PREEfT RETEEEEE j i

15 911006 F 15.4 3 5 N/A - AB LG The oil reservoi sightglass on a reactor coolant pump developed a leak. This resulted  ;

in air being drawn into the sightglass causing ,

a low level alarm in the upper oil reservoir.

The sightglass was repaired.

16 911010 F 103.2 A .5 N/A SF S3 A condensate polisher strainer failed causing an intrusion of a small amount of resin into the feedwater system resulting in an increase in the chemistry parameters above administratively controlled limits. The l condensate polisher was removed from service  !

. and the strainer repaired. Feedwater i chemistry was returned to acceptble limits before returning the unit to power.  ;

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• • • • • • • • • • • • • • • • • f

SUMMARY

s TYPE REASON M M OD STS EM_MCMRpl{EILT I F-Forced A-Equipment Failure 1 - Manual Exhibit F & H 7 S-Scheduled B-Maint or Test 2 - Manual Scram Instructions for Preparation of  !

C-Refueling 3 - Auto Scram Data Entry Sheet f

. D-Regulatory Restriction 4 - Continued Licensee Event Report l

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E-Operator Training & License Examinatiou 5 - Reduced Load (LER) File (NUREG-0161)  !

F-Administration 9 - Other +

G-Oper Error i l

H-Othee (227/ZD85G)6 '.

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F. LICENSEE EVDIT_REPQRIS.sVNIT_1 (

The following is a tabular summary of all Licensee Event Report s submitted during the reporting period, October 1 through October 31, ,

1991. This information is ptovided pursuant to the reportable occurrence i reporting requirements as set forth in 10 CFR $0.73.

Licensee Event Report Resntt._Humbet Date Title _oL0cs urrence l 91-010 10-17-91 Containment ventilation isolation fignal due to spurious spike from '

1RE-AR012 as a result of component iallure.

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I. Monthly Report for Braidwood Unit 2 A. SwinAry_QI_DF91611pg_It perlennt Braidwood Unit 2 reaained shutdown the entire month as it continued its sectud ref ueling outage.

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n. OEEEATING_ DATA _ ret 0RT DOCKET NO.: 50-457 UNITt Braidwood 2 DATE: 11/.10/91 COMPILED BY: C. E. Pershey TELEMIONE: (015)458-2801 ext. 217!

OPERATING STA*IUS

1. Reporting Period October, 1991 Gross Hour;* 745

2. Cutrently 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 (hWe-net): 1120

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

4. Reasons for restriction (If Any): None IlllS_M0tml YILT0_DATE CUMULATIVE

5. Report period Hours: ______ 1451Q 129fL_ 2 0D 21__

6. Hours Reactor Critical: QJ 581022 _.__2190921

7. RX Reserve Snadown Hours: 03.0 Q20 Dif B. Hours Generator on Line: 0Q 2 ____.502121 ___2.1)) 2d

9. Unit Reserve Shutdown Hours: .010 Q10 . _ . 010

10. Gross Thermal Energy (MWH): 0.0 119D1325 _ s]211403_._

11. Gross Elec. Energy (MWH): Q,D ._6D9161L 21626.450__

12. Het Elec. Energy (MWH): _ 10108._. _584566 L_ 206111A L

13. Reactor Service Factor: dad 3015 _3221

14. Reactor Availability Factor: _ DzQ_ _6D15 ____BL3

15. Unit Service Factor . 0a.D_ __ 7 9 .E E116

16. Unit Availability Factor: _. DiD_ _ 70.B B116

17. Unit Capacity Factor (MDC net): - 122_. 71J _.__. __6 9 t3

18. Unit Capacity Factor (DER net): Z .2 1125 _____b923

19. Unit Forced Outage Rate: Ot0_ 413 bD

20. Unit Forced Outage Hours: 0,0_ __.__ _2 91 fz 91112

21. Shutdowns Scheduled Over Next 6 Months: lj

22. If Shutdown at End of Report Period, Estimated Date of Startup- Ilm& L LL_.1291 ,

(227/20050)10

4 C. AVIFAG LD AILL1MILilEL FDMEIL L EVI;L _ LOG DOCKET NO. 50-457 UNIT: Braidwood 2 DATE: 11/10/91 COMPILED BY: C. E. Pershey TELEPilON E : (Bib)458-2B01 ext. 2173 MONTil t October. 1991

1. -11 ___ 17. ___ _ ll . _ - _ _

2. -13 _ _ _

18. -13_

3. -11 19. .. _-13_ . . _ .

4. - 13 __

20. -13_._

5. _-13 ___

21. - 13_.

6. -13 22. -13

7. -13 23. -13

8. -13 24. -13

9. -13 25. __-13 _ ._.

10. _17 __ 26. _ -13

11. -17 __ 27. -12

12. -16 ._._ 28. -13

13. -16 29. - 11_.

14. -13 _ 30. -13

15. -13 31. -13

16. -11 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 [or 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.

(227/ZDB5G)11

DOCKET NG.: 50-457 D. UNIT SHUTDOWNS / REDUCTIONS CNIT: Braidwood 2 DATE: 11/10/91 COMPILED BY: C. E. Pershey-TELETEONE: (815)458-2801 ext. 2173 REPORT PERIOD: October, 1991

_Eq._ DATE Uf_E HQURS REASON METHOD LER NUMBER SYSTEM COMPONENT CAUSE & CORRECTIVE ACTION TO PREVDIT RECURE 745 C 4 N/A N/A N/A Continuation of schedu3ed second refueling 9 910913 S outage.

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• S U M M A R:Y *

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METHOD SYSTEM & COMPONEliT TYPE _..R6ASQN F-Forced A-Equipment Failure 1 - Manual Exhi, bit F & H 2 - Manual Scram Instructions for Preparation of 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)12 i - - e i ,

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F. LifEllSEE EVENT. REPORTW1RT J -

i The following is a tabular summary of all Licensee Event Reports submitted during the reporting period, October 1 through October 31, 1991. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10 CFR 50.73.

Licensee Event Report Repsrt Numbat DAtn Titin _of Ocet'Irence None T

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(227/ZD85G)14

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