ML20096E699

Monthly Operating Repts for Apr 1992 for Byron Nuclear Station,Units 1 & 2

ML20096E699
Person / Time
Site:	Byron
Issue date:	04/30/1992
From:	Ehile D, Pleniewicz R COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BRYON-92-0338, BRYON-92-338, NUDOCS 9205190322
Download: ML20096E699 (14)

Text

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• O C:mmenw::lth N) Dyron Edis:n Nuclear Station

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O 7 4450 North Gerrnan Church Road

, (j Byron, Illinois 61010 May 8, 1992 LTR DYRON 92-0330 FILE: 2.7.200 Director, Office of Management Information and Program Control United States Nuclear Regulatory Commisnion Washington, D.C. 205$5 ATTH: Doctunent Control Deck Gentlemen:

Enclosed for ;ur information is the Monthly Performance Report covering Byron Nuclear Power Station for the period April 1 through April 30, 1992.

Sincorely, 14 /, d R. Plenlewicz Station Manager Byron Nuclent Power Station RP/DE/ph cc A.B. Davis, HRC, Region III NRC Resident Inspector Byron Ill. Dept. of Nuclear Safety M. J. Wallace/E. D. Eenigenburg Nuclear Licensing Manager Nuclear Fuel Services, PWR Plant Support D. R. Eggett, Station Nuclear Engineering INPO Records Center A. Hsia - USNRC F. Yost - Utility Data Institute, Inc.

200013 (/9 l

( 3767i4/VS ) \\ \

920D190322 920430 PDR. ADOCK 05000454 R PDR

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r BYR0tl NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454 HRC DOCKET NO. 050-455 LICENSE NO. NPT-37 LICENSE NO. NPT-66 t

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1. MontJLlyJapo r t for_Bylgr_Uli1T 1 for_the month of_Apill 1991  ;

A. . SW7eBIy of OPRIJ11Dg_IIPff.itnge f or Unit _l The Unit began this reporting period in Mode 1 (Power Operations). The power level varied due to load following requirernents.

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BdEEEAIING DATA _FIEDAT

, DOCEET NO.: 050-454 ,

UNIT Dyron One  !

DATE: 05/08/92 CCEPILED BY D. Ehle TELEPHONE: (815)234-5441 x2263 OPERATING STATUS

1. Reporting Period: April, 1992. Cross llours: .719

2. Currently Authorized Power Level: 3411 (MWL)

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 Restrletion (If Any): N/A THIS MONTil YR TO DATE CUMUL ATI'/ E*

5. Report Period Hrs. 719 2903 5 % 056

6. Rx Critical Hours 719 2850.4 47,777.3

7. Rx Rm erve Shutdown Hours 0 0 38

8.  !!ours venerator on Line 719 2842.1 47,146

9. Unit Reserve Shutdown Hours 0 0 0

• 10. Gross Thermal Energy- (MWil) 2,381,724 9,038,001 141,841,581

11. Gross Elec. Energy (MWH) 804,148 3,059,045 47,832,294

12. Net Elec. Energy (MWH) 768,294 2,918,657 4 % 138,154

13. Reactor Service Factor 100 98.19 82.30

14. Reactor Availability Factor 100 98.19 82.36

15. Unit Service Factor 100 97.90 81.21

16. - Unit Availat 111ty Factor 100 97.90 81.21 IT. Unit Copacity Factor (MDC net) 96.70 90.99 70.36

18. Unit Capacity Factor (DER net) 95.41 89.77 69.42

19. Unit Forced Outage Hrs. 0 60.9 1,403.4

20. Unit Forced Outage Rate 0 2.10 2.89

21. Shutdowns Scheduled Over Next 6 Months: N/A

22. If Shatdown at End of Report Period, Estimated Date of Startup N/A 23-. Units in Test Status (Prior to Commercial Operation): None

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

(3767M/VS/3)

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L.__AYERAGE DAILY UNIT POWER LEVEL DOCKET No.: 050-454 UNITt Byron One DATE: 05/08/92 COMPILED BY: D. Ehle TELEPilONE: (815)234-5441 x2263 MONTH: April, 1992 DAY AVERAGE DAILY POWER LEVEL (MWe Net) i

1. 612 MW _ 16. 1923 HW .

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2. 11Q$_liW 17 . _ __11Q;LJfW

3. 1107 MW 18. 1092 MW

4. 1107 MW -_

19 . ___ LQ1 LIM

5. 1109 MW 20. 1072 E

6. 1100 MW 21. 1DfLMW l 7, 1105.MW 22. LQSljiW ,_

8. 1111 MW 23. 105LMH

9. 1042 MW 24. 1081 MW 10, 1108 MW 25, 1002 MW

11. 1115 MW 26, 975 MW

12. 1115 MW '27. 1086 MW

13. 1110 MW 28, 1072 MW

14. 1102 MW 29, 1060 MN ,

15. 1031 MW _

3 0. _ 105.4_.HW INSTRUCTIONS On this form list the average daily unit power level in MWe-Net for-each day in the reporting reonth. Compute to the nearest whole megawatt. These figures will be vsed'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 100V 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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(3767M/VS/4)

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Report Period April, 1992 UNIT SHUTDOWNS / REDUCTIONS

• BTRON

• l (UNIT 1) ************************** '

No. Date Type _ Hants Peason ticthod LER Nup3heI_. System Campanent Caus_e__& Corrective Actigg_tp Prevent Recurrence 6 04/01/92 F 20 H 4 Steam Gen. High Sulfates in Unit 1 S/G continued from 1/31/92 i

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A Summary

• TYPE Faason Method Syltem___fi_ 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 " reparation 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) i i

i (J767M/VS/5) 4 j

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4 E. UNIOUZ_REEQRTING REOUIREMEH.I5_1UlffT li f or the montit o_f APRIL 1932 i

1. Safety / Relief valve operations for Unit One.

l VALVES NO & TYPE PLANT DESCRIPTION DATE ACIVATED ACIVATLOH CClin1110H OLEYENT None i

2. Licensee generated changes to ODCM.

HONE 4

3. Indications of failed fuel. '

Tuel Reliabllity Indicatort Yes TRI: 4.6E-3 pC1/cc 4 10CTR50.46 Reporting Requirements: Peak Clad temperature (PCT) changes resulting from change or errors to the ECCS evaluation model.

Current Ilcensing basis PCT plus margin allocation (*F)

Latge_Dreak LOCA Small Bre.gLLQCA 2051.3 1510.1 Explain differences from previous reports None '

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i F. . LICENSEE EVENT ItEPOP'1 LUHl.I_.11 i

The following is a tribular summary of all Licensee Event Reports for Byron Nuclear Power !ltation, Unit Onn, submitted during the reporting period, April 1 through April 30, 1992. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73. j Occurrence Licens.te IrenLReport Ntuher D. ate Iltle.. oI_Orcurie.nce 454 92-002 4-3-92 Loss of one of two EST Unit Crosstles 1

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II. MQRLhlylepart f or ByImt,1!1{IT 2 fcI_the_2onth of AprilE2 A. Smary of ODRIAt121g_ExpgLlence._fgr Unit 2 -

The Unit began this reporting period in refueling outage B2R03.

Went on line 4/30/92 f

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B t...DPERATING_DATh_MEORT DOCKET 140. 050-455 l

UNIT: Byron Two DATE: 05/08/92 COMPILED BY: D. Ehle TELEPHONE: (815)234-5441 x2263 OPERATING STATUS

1. Reporting Period: April, 1992. Gross Hours: 719

2. Currently Authorized Power Lovel 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) N/A

4. Reasons for Restriction (If Any):

THIS MONTH YR TO DATE CUMULATIVE *

5. Report Period Hrs. 719 2903 41,160

6. Rx Critical Hours 65.1 1460.2 34,694.3

7. Rx Reserve Shutdown Hours 0 0 0

8. Hours Generator on Line 19.6 1414.4 34,189.5 9 Unit Reserve Shutdown Hours 0 0 0

10. Gross Thermal Energy (MWH) 17,935 4,002,734 95,521,454

11. Gross Elec. Energy (MWH) 3004 1,357,111 32,313,880

12. Het Elec. Energy (MWH) -6,858 1,267,572 30,444,580

13. Reactor Service Factor 9.05 50.30 84.29

14. Reactor Availability Factor 9.05 50.30 84.29

15. Unit Service Factor 2.73 48.72 83.06

16. Unit Availability Factor 2.73 48.72- 83.06

17. Unit Capacity Factor (MDC net) -0.86 39.52 66.94

18. Unit Capacity Factor (DER not) -0.85 38.99 66.94

19. Unit Forced Outage Hrs. 0 0 1155.9

20. Unit Forced Outage Rate 0 0 3.27 ,

21. Shutdowns Scheduled Over Next - 6 Months: Unit 2 third refuel outage. NONE

22. If Shutdown at End of Report Period, Estimated Date of Startup NONE

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

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

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Cu _AYIRAGI_ DAILLillu_LF_QHER . LEVEL DOCKET NO. 050-455 UNIT: Byron Two DATE: 05/08/92 COMPILED DY: D. Ehle TELEPHONE: (815)234-5441 x2263 MONTH: April, 1992 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. -13 MW 16. _. -13 MW

2. -13 MW 17. -14 MW

3. -13 MW 18. -14 MW

4. -13 MW 19. . -14 MW

5. -13_JfW 20. -14 MW

6. -11_11W , 21. -14 MW

7. -13 MW 22. -14 MW

8. -13 MW 23. -14 MW

9. -13 MW 24. -13 MW

10. -13 MW 25. _MW

11. -13 MW 76. -13 MW

12. -13 MW 27. -14 MW

13. -13 MW 28. -14 MW

14. _-lLMW 29. -la MW

15. J . MW 30. 1.01 MW INSTRUCTIONS On this form list _ "* 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.

(3767M/VS/10)

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Report Period April, 1992 UNIT SHUTDOWNS / REDUCTIONS

• BYRON *

(UNIT 2) **=***********************

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No. Date Iype Hours Reason Meth2d LER Number System Comoonent Cause & Corrective Action to Prevent Pecurrence .

1 04/30/92 S 699:23 C ------ ---- ------ B2R03 Ended i

• Summary

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a TYPE Reason Method Eystem & Compspent 4 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 Reoort

& License Examination 9-Other (LER) File (NUREG-0161) l 1

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EdllIQUE_.EEEQEIlljG REQUIFoiEli1SJ11111I.lLIor the._montitoLApril_19.92 4

1. Safety /Rellef valve operations for Unit Two.

i VALVES N0 f. TYPE PLANT DESCRIPTION DATE ACTUATID ACTUAI1Oli CQKd1110!i RL EYEliI I

None 1

2. Licensee genesated changes to ODCH.

NONE

3. Indications of failed fuel.

No. Fuel Pr21 ability Indicator: FRI = Unit 2 Shutdown

4. 10CFR50.46 Reporting Requirements: Peak Clad temperature (PCT) changes resulting from changes or errors to the ECCS evaluations model.

Current licensing basis PCT plus major allocations ('r)

Large_BreALLOCA EmnlL.DrenLLOCA 2064.1 1510.1 Explain differences from previous report:

None l

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fm 11CENSEE_IYEHLBIE01TS__Unt1L11 i The following is a tabuler summary of all Licensee Event Reports for Dyron Nuclear Power Station, Unit Two, submitted during the reporting period, April 1, 1992 through April 30, 1992. This information is provided purst. ant to the reportable occurrence reporting requirements as set forth in 10CTR $0.73.

Licentee Irent_Repprt Number QC.Currengf_Date Iltig_0L QCCu1Ifutt l

455: 92-002 4-10-92 Lightning Strike Containment '

VENTILATION Violation EST F

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(3767M/VS/13):

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