ML20099K236

Monthly Operating Repts for Jul 1992 for Byron Nuclear Power Station Units 1 & 2

ML20099K236
Person / Time
Site:	Byron
Issue date:	07/31/1992
From:	Ehle D, Pleniewicz R COMMONWEALTH EDISON CO.
To:	NRC
References
BYRON-92-0558, BYRON-92-558, NUDOCS 9208250285
Download: ML20099K236 (14)

Text

.

s Commonwealth Edison Cj Dyron Nuclear Glabon x C Jg 4450 North Gt trnan Church fload gy Ilyrcn, lihnois 61010

@,z August 10, 1992

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1/rR : HYRON 92-0558 FILE: 2.7.200 t

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.. Director, Of fice of Management Inf or nation and Program Control -

Unit.ed States Nuclear Regulator y Cornmission Washington, D.C. 20555 A7.fi Document Ccutrol Desk

,1 Ge nt l erne n :

Enclosed for your information is the Monthly Performance Report covering Dyron Nuclear Power Station for the period July 1 through July 31, 1992.

Sincerely,

~

f ll /* Il >.'t i t (G r- p/n >

} /

R. Plenlewict t

Station Manager Dyson Nuclear Power Station RP/DE/ph cc: A . I.l . Davis, NRC, Region 111 tIRC Resleent inspector Byron 111. Dept. of Nuclear Safety M. J. Wallace/E. D. Eenigenburg

, Nuclear Licensing Manager Nuclear Fuel Servicen, PWR Plant Support D. R. Eggett, Station Nuclear Engineering INPO Records Centar J. B. Hickman - USNRC P. Yost - Utility Data Institute, Inc.

{R0N5028 920731 /Y g ADOCK 05000454 / -

(3767M/VS)

(3767M/VS/14)

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BYRON HllCLEAR POWER STATION UNIT 1 AND UNIT 2 1

1 MONTHLY PERTORMANCE REPORT l COMMONWEAI.Tal EDISON COMPANY NRC DOCKf" NO. 050-454 NRC DOCKE! NO. 050-455 i 1

LICENSE B0. HPF-37 LICENSE BO. NPF.66 1

I (3767M/VS/1) 1

,- . . . . . . -.,---..;..--_.-.._--. . - , . . - . - - . . , _ , . . . . _ . - . - - . - , , . . _ _ _ - _ - - - - _ . _ _ _ . . , ~ - . - , . . _ . . , _ . . . - . _ _ . _ . . _ . _ - .

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

3. Monthly EtynI1_LoL_DytonJHIT 1 f.nr_.the_.lnonth_of July.l992 A _,Ennnary_of_DretAting_Imperience_Inr_Unitl The Unlt began this reporting period in Mode 1 (Power Operations). The power level varied due to load following requirements.

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l (3767M/VS/2)

l Et__DEEEAllitG_ DATA _EIt0RT l DOCKET NO. 050-454 l UNIT: Dyron One DATE: 08/10/92 COMPILED BY: D. Ehle TELEP110HE: (815)234-5441 x2263 OPERAT1HG STATUS

1. Reporting Period: July, 1992. Gross Hours 744

2. Currently Authorized Power Level 3411 (HWt)

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. Itensons-for Restriction (If Any): N/A THIS MONTil YR TO DATE CUMULATIVE *

5. Report Period firs. 744 5111 60,264

.6. Rx Critical _llours 744 5058.4 49,985.3

7. Rx Reserve Shutdown 11ours 0 0 38

8. Ilours Generator on Line 744 5050.1 49,354

9. Unit Reserve Shutdown flours 0 0 0

• 10. Gross Thermal = Energy (MWH) 2,7 ',576 15,997,215 148,800,795

11. Gross = Elec. Energy (HWil) 765,406 5,401,534 50,174,783

12. Net Elec. Energy (MWII) 736,503 5,180,234 47,399,731

13. Reactor Service Factor 100 98.97 82.94

14. Reactor Availability Factor 100 98.97 83.01

15. Unit Service rector 106 98.81 81.90

-16. Unit Availability Factor 100 98.81 81.90

17. Unit Capacity Factor (MDC net) 89.59 91.72 71.18

18. Unit Capacity Factor (DER net) 88.39 90.50 70.23

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

20. Unit Forced Outage-Rato 0 1.19 2.76

21. Shutdowns Scheduled Over Next 6 Months N/A

22. .If Shutdown _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)

--,-.-__--.n,_.,,,, .-. - - , - .- - .... _ - - . - - - - . - -.- -

CdVIEAGE_DAILYEILI1HERIEVIL DOCKET NO. 0b0-454 UNIT: Byron One DATE: 08/10/92 COMPILED BY D. Ehle TELEPHONE : (815)234-5441 x2263 MONTH: July, 1992 DAY AVERAGE DAILY- POWER LEVEL (MWe-Net)

1. 10if_19{ _ 16. 9 3 Lli'4

2. 1010 MW. ,_ 17 1Q81 MW

3. 93LliW 18. 1Q19 MW

4. _ 65L11W 19. 984MW

5. 80Li[1 20. _ 1012 MW

6. 919_19L 21. 191h MW

7. 1Q)L}9f 22. 914_MW

8. 101L11W 23. 91Q_)9f

9. .1013 E 24. 102.1 MW s

10. 105Llin 25. 928 MW

11. 866 MW 26. 102L14W _

-12, 951.11W 27. 9.91.liW -

13. 100D_14W 28. __ 101LliW 14 110111W 29. 1030 MW

15. 1Q99_14W 30. 1006_11W -

31. 100L}4W 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 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.

(3767H/VS/4) l

• BTECC

• Report Period July, 1992 UNIT SHUTDOWNS / REDUCTIONS (UNIT 1) **************************

Type _'E2urs Reason Methed _LER Number System hampqngAt Cause & Correctivg_Af. tag C o Prevent _Rg n trgac; No. Date 7/4 F 5 --- --- --- Reduced Load per SPSO 9 -- --

• Summary

• Methnd SystenL&_Carpenect IIPE Eeason A-Equip Failure F-Admin 1-Manual Exhibit F & H F-Forced B-Maint or Test G-Oper Error 2-Manual Scram Irstructions for S-Sched C-Refueling H-Other 3-Auto Scram Preparation of D-Regulatory Restriction 4-Continued Data Entry Sheet 5-Reduced Load Licensee Event Repart E-Operator Training

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

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I (3767M/VS/5)

E4_ VH1WLREEORT1110.EEQUIRDiIllTS_iUNIL1LicI_the_nonth_oLJULL2992

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' 1. Safety /Rellef valve operations for Unit One. l VALVES NO & TYPE PLANT DESCRIPTION DAIE ACTUATED ACTUATIDH CONDI.110H OfEmiT None i

2. Licensee generated changes to ODCH.

NO!C P

3.' Indications of failed fuel.

T ruel Rellability Indicator Yes TRI: 3.8E-3 pC1/cc

4. 10CTR50.46 Reporting Requirements: Peak Clad temperature (PCT) changes resulting from change-or errors to the ECCS evaluation model. '

Current licensing basis PCT plus margin allocation (*F)

Large_BItakl.QCA SmalLBreak_LRCA '

2051.3 1510.1 Explain differences from previous reports None l

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l (3767M/VS/6) l

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T.a__ LIEENGEE_EYENI_REPDETS_lUNIT_11 The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, submitted during the reporting period, July 1 through July 31, 1992. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Lkenste_E.venLReporLRwiser Date Iltle_nLoccurInnte 454: 92-005 7-24-92 Degraded Equipment Voltage Setpoints 454: 92-006 7-28-92 IST Program Surveillance Deficiency (3767M/VS/7)-

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11. Honutly_Repo t Lio r_.15y t ortUli1T. 2..f o t ..the. montlt o f ... July .19 9 2 A. S winnty_o f _Dre t at ing lxpe r.lenc e _I o r._Unl L2 The Unit began this reporting period in Mode 1 (Power Operations)

Unit 2 was down from July 18 to 24 for maintenance repairs to replace hydrogen seals (M03). The Unit was bacs on line July 25 and ran the rest of the month.

amm (3767M,VS/8)

D.o__Dl! ERAT 1HE_ HAIA.AEEORT DOCKET NO.: 050-455 UNIT: Byron Two DATE: 08/10/92 COMPILED BY: D. Ehle TELEPHONE: (815)234-5441 x2263 OPERATINO STA7US I

1. Reporting Period: July, 1992. Gross Hours: 744

2. Currently Authorized Power Level 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):

71118 HONTH YR TO DATE CUMULATIVE *

5. Report Period Hrs. 744 5111 43,368

6. Rx Critical Hours 500.6 3428.5 36,662.6

7. Rx Reserve Shutdown Hours 0 0 0

8. Hours Generator on Line 566.9 3357.2 36,132.3

9. Unit Reserve Shutdown Hours 0 0 0

10. Gross Thermal Energy (MWH) 1,696,730 9,733,419 101,252,139

11. Gross Elec. Energy (MWH) 576,526 3,315,704 34,272,473

12. Het Elec. Energy (MWH) 555,712 3,160,348 32,337,356 13.' Reactor Service Factor 78.04 67.08 84.54 14.' Reactor Availability Factor 78.04 67.08 84.54

15. Unit Service Factor. 76.20_ .65.69 83.32

16. Unit Availability Factor 76.20 65.69 83.32

17. Unit Capacity Factor (HDC net) 67.59 55.96 67.48

18. Unit Capacity Factor (DER net) 66.69 55.21 66.58 19.: Unit Forced Outage Hrs. 0 88.1 1244 20.. Unit Forced Outage Rate 0 2.56 3.33

21. Shutdowns Scheduled Over Hext 6 Months: NONE 12 2 . 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 power generated prior to commercial service.

I (3767M/vs/9).

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CuAVERAGLDAILY_UNILKHEILLEVEL DOCKET No,t 050-455 (JNIT: ityron Two DATE: 08/10/92 COMPILED 11Y: D. Ehle TELEPilONE : (825)234-5441 x2263 MONTH: July, 1992 DAY AVERAGE DAILY POWER LEVEL (MWe-Het)

1. 111Q_tK _ _ _

16, 111p Jd _ _ _

2. 1QBL E E- _ __ _ _ . _ 17. __3 93_W ______

3. . _ _ 99UM _ . _ _ _ . 18. ._ ___ _._ - 10Ed

4. 750 MW 19. - li_lfd _ _ _ _

5. 14LMW 2 0 . __ -14J R __

(. 97e MW 21. _11_MW

7. _ 111(_tM__ _ 22. -1A_MW . . _

8. .11QiEd 23. -11__ MW ___

9. 1DSQJ'W 24. -li ld_ ___

10. 102 73M__ _

25. 25LW

11. 102hEd _ 26. 7 67 .lfd

12. 9] D iw 27. 933 MW _ _ _ _

13. 1_051 MW 28. 1010_EW 14 931_liW 29. 1QiQEd

15. _ 91 D fW 30, 992 MW

31. 1015jM_____

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 niegawatt. 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 occasions when the daily average power level excteds the 100% line (o rastricted power level line.) In such cases the average daily unit powet output sheet should be footnoted to explain the apparent anomaly.

(3767M/VS/10)

. t Report Period July, 1992 UNIT SHUTDOWNS /RECUCTIONS

• BYRON * ,

(UNIT 2) ************************** ,

ho. __Date.,__ Typt H2Rr_s Reason Method LER Number System Componer.1 Cause & Corrective Action to Prevent Recurrence 4 7/18. S; 177.1 A 1 --- -- --------

Maintenance Outage to replace Hydrogen seals (MO3) '

• Summary *

TffS .Heason Methed System E qmppment i

F-Forced A-Equip Failure F-Admin 1-Manual Exhibit F & H ,

4 l

S-Sched B-Maint or Test G-Oper Error 2-Manual Scram Instructions for  !

C-Refueling H-Othe r 3-Auto Scram Preparation of l D-Regulatory Restriction 4 -Continued Data Entry Sheet i E-Operator Training 5-Reduced Load Licensee Event Report

& License Examinatien 9-Other (LER) File (NUREG-Ol61) ,

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(3767M/VS/11) i i

4 I______ ______ _ _ _ _ s

l E _._URIOUEJEPDEIllM.REQU.1REMEllTEJU1112_2LicLthc_nonth_sLJn2y_19S2

1. Safety /Rellet valve operations for Unit Two.

VALVES NO & TYPE PLMIT DESCRIPTION DATE AC.IVATED ACIVAT10!i C0!iD12101{ OLIVI1C Hone 1

2. Licensee generated changes to ODCH.

HONE

3. Indications of failed fuel.

No. Fuel Reliability Indicator FRI = 6.5E-5 pC1/CC i

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

Current licensing basis PCT plus major allocations (*F) large Break LQCA Small Brenk._LQCA 2064.1 1510.1 Explain differences from previous reports None 9

(3767M/VS/12)

f.. LifERSEI_ININLEIEORTS_fU1HL2) ,

The following is a tabular sunanary of all Licensee Event Reports for Byron Nuclear Power Station, Unit Two, submitted during the reporting period, July 1, 1992 through July 31, 1992. This information la provided pursuant to-the reportable occurrence reporting requirements as set forth in 10CTR 50.73.

Litanate_EYnndepol.LHumbel D.cEntIRnct_Date T.1Lin_oL0ccnnence i

NCHE I

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(3767M/VS/13)

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