ML20070Q220

Monthly Operating Repts for Feb 1991 for Byron Nuclear Power Station Units 1 & 2.W/910311 Ltr

ML20070Q220
Person / Time
Site:	Byron
Issue date:	02/28/1991
From:	Orris K, Pleniewicz R COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-91-0184, BYRON-91-184, NUDOCS 9103280251
Download: ML20070Q220 (14)

Text

/ - rN. C mm:nw:alth Edis;n

\ Dyron Nuclear Station m' ,", / _

i .. 4450 North Gorman Church Road ,

, ( _':_' ) Byron, Illinois 61010 '

- %d March 11, 1991 LTR DYRON 91-0184 FILE

2.7.200.

i Director, Of fice of Management Inf ormation I

and Program Control United States Nuclear Regulatory Commission Washington, D.C. 20555 ATni s Document Control Desk Gentlemen 1

1 Enclosed for your information is the Monthly Performarce Report I covering Dyron Nuclear Power Station for the period February 1 l thzough February 28, 1991.

Sincerely, hk 7,[

R. Pleniewicz r Station Manage Dyron Nuclear 'ower Station

-RP/K0/mcw (0625M/0062M) cet A.B. Davis, NRC, R e, y n III NRC Resident Inspector Dyron Ill. Dept. of Nuclear Safety M. J. Wallace/K.L. Graesser Nuclear Licensing Manager Nuclear Fu91 Services, PWR Plant Support D. R. Eggett, Station Nuclear Engineering INPO Records Center A. Hsin - USNRC 9103'80251 2 910228 PDR R-ADOCK 05000454 PDR

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BYRON HUCLEAR POWER STATION UNIT 1 AND UNIT 2 HONTl!LY PERFORMANCE REPORT-COMMONNEAL.TH EDISOtt COMPANY NRC DOCKET NO. 050-45(

NRC DOCKET NO. 050-455 LICENSE tlO. NPT-37 LICENSE NO. NPF-66

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( 0625M/0062M/1):

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. ' k . Monthly _Repstt_ Lor _ llyron.J1 nil _1_Lo1_the_ month of _ Febryary._1991 L_._.Eummary_of_Opria. Ling.Jxpmrienc.e . Lor _UniL1

'de unit began tnis reporting period in Mode 1 (Power Operation) and remained there all month. The power level varied due to load following requirements, I-lf (0625M/0062H/2)

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L DfERAIllfG DATA _ REFDRT DOCKET NO. 050-454-UH17: Dyron One DATE: 03/11/91 COMPILED BY: K. Orris a

TELErilONE : (815)234-5441-x2444 OPERATING-STATUS-

1. Reporting Period February, 1991. Gross llours: 672

2. Currently Authorized Power Level 3411 (MWt)

Design Electrical Rating: 1175 (HWe-gross)

Dialgn Electrical Rating: 1120 (ID4e-net)

Max DependeSle Capacity: 1105 (MWe-net)

3. Power Level to Which Restricted (If Any): N/A

4. Reasons for Restriction (If Any):

'1111S WJNTil YR TO DATE CUMULATIVE *

5. Rcport Period firs. 672 1,416 47,809

6. Rx Critical Hours 072 1,416 39,100.2

7. Rx Reserve Sautdown Hours 0 0 38'

8.  : Hours Generator'on Line 672 1,416 38,571.6

9. Unit Reserve Shutdown Ilours 0 0 0

• 10.. Gross Thermal Energy (MWH) 2,195,323' 4,659,904 117,532,508 11.-Gross Elec. Energy (MWH) 747,708 1,577,393 39,65R,473

12. Het Elec. Energy (MWH) 710,888 1,500,144 37,412,409

13. Reactor Service Factor 100 100 81.8 i-b 14. Reactor Availability Factor 100 100 81.9 '

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15. Unit' Service Factor 100 100 80.5-

16. Unit-Availability Factor 1 100 100 83.7 17... Unit Capacity Factor (MDC not) 95.7 95.9 :70.8

18. Unit Capacity Factor (DER net) 94.5 94.6 69.9 p '19. Unit Forced Outage Hrs. 0 0 1,266.4

20. Unit Forced Outage Rate 0 0 3.2 r-21~. Shutdowns Scheduled Over Hext 6 Months: None L 22. If Shutdown at End of Report Periou,-Estimated Date of Startup:

1 L 23'.' Units.In Test' Status (Prior to C;mmerclal Operation): None

• Note-- Tne cumulative numbars do not-reflect power j

. generated prior to ,ommerc8a1 service.  ;

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(0525M/0062M/3)

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- WYIRAGE DAILLUlilLPDHER..LEVIL, DOCFET NO.: 050-454 UNIT: Byron O.,*

DATE: 03/11/91 COMPILED BY K. Orris TELEPIIONE: (815)234 5441 x2444 MONTH: February, 1991 DAY AVERAGE DAILY POWER LEVEL (MWe-Het)

1. lQ21 MW 10. 1012 E

2. .ll.Q2_ MW 17. _ _ 1052 MW

3. 101.2 E _ _ _ _ , . 18. 1010E _ _ _ _ ,

4. 1Q57 MW 19. _ _1QAQJiti S. IC'] tiW 20. 101 LliN

6. _ 101LtiW_ 21. 1Q23E

7. 101LMW 22. 1001 }iVL

8. 1Q15_tiW . 23. _ __l050_li'rL .

9.' 1042 MW _ 24. 1041 MW

10. 94LHW 25. 10 SLIM _ _

'11.' 07 0 ML. 26. lq92.1]W

12. 931 liW 27. 1106 MW

13. 1047 MW _. 20. 1103 MW

14. 1040 MW 15.: 1.015 E

" INSTRUCTIONS

-On this-form. list;the average daily unit power level in HWe-Nat for each day.

-In.the reporting month _ ' Compute to the nearest whole megawact. These figures will be used to: plot a graph for each reporting month. Note that when maximum l

q dependable capacity 19 used for the net electricil *nting of the ,init there may be occ'sions'when the daily verage power-leve) exceeds'the 100% line (or:the restricted power level line.) In such cases the average daily unit-

,~' power _ output she+' should be footnoted to explain the apparent anomaly.

(0625M/0062M/4) t e

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• BYRCN

• Report Period Febrt. 1991 UNIT SEUTDOWNS/ REDUCTIONS .

(UNIT 1) ************************** -

1 Type Hours Rearton Method ,LER Number System __ Comoonent Cause & Corrective Action to Prevent Recurrence l Jo_ Date l

1

{~ No Shutdowns or Major Reductf ons loc February

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o Summary

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Reason Method ___- Syh3em & Compquent TYPE ._

A-Equip Failure F-Admin 1-Manual Exhibit t &H F-Forced B-Maint or Test G-Oper Error 2-Manual ' r mm Instructions for S-Sched C-Refueling E-Other 3-Auto Scram Pret stion of D-Regulatory Restriction 4-Continued Data intry Sheet 5-Reduced Load Licensee Event Report E-Operator Training

& License Examination 9-Other (LER) File (NUREG-Ol61)

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(0625M;0062M/5)

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. E. . UNIOUJi, REPORT 111.0 REOUIREliENTS (Ul[lL.llJgr the montlL2Lf.cbIABIyJ191

1. . Safety /liclief valve operations for Unit one.

VALV0S N ") & TYPE PLANT DESCRIPTION DATE' ACE ATED AGEAT10tf COFDITIQt! QLIYE11T None

2. Licensee-generated changes to ODCM. (Y/N)

None

3. Indications of failed fuel. (Y/N)

No Fuel Reliability Indicatort FRI = 1.3E-4 pC1/ec 4

I (0625M/0062M/6)

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• 4 LICELISIE EVEtIDEPARISlutlM

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The following is a tabular summary of all Licensee T, vent Reports for flyron Nuclear Power Station, Unit One, submitted during the reporting period, February 1 through February 28, 1991. This information is provided pursuant to

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

Occurrence LICE 26SR_IV.RA O PO.Lt_HWRber Date Iltle...QL_QCCWrence None l

L (0625M/0062M/7)

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II. tinnthly_farnrt- for nytsLUtRRinr_thuanth of' FehtyntyJ931 A. -SmryJLDparatinglxpetienceler_UniL2 The unit began-this reporting period in Mode 1 (Power Operation) and ,

continued there_all month. The power level varied due_to load following requirements.

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ui_.0tKRATING_DA7A REPORT I DOCKET NO.: 050-455 1

UNIT; Byron Two DATE: 03/11/91 COMPILED DY: K. Orris TELEPHCHE: (815)234-5441 x2444 OPERAT~NG STATUS

1. Reporting Period: February, 1991. Gross llours: 672

2. . Currently Authorized Power Level 3411 (MWL)

Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Eating: 1120 (MWe-net) +

Max Dependab3e Cspacity 1105 (MWe-net)

'3. Power Level to Which Restricted (If'Any): N/A

4. Recsons for Restriction (11 Any):

THIS MONTil YR TO DATE CUMULATIVE *

5. Report Period llrs.- 672 1,416 30,913-6, Pt ' Critical flours - 672 1,416 26,148.1

7. Rx Reserve Shutdown llours 0 0 0

~8. ' Hours Generator on Line 672 1,416 25,700.6

9. Unit Reserve Shutdown Hours 0 0 0

10. Gross Thermal Energy (MWH) 2,190,398 4,665,324 68,976,716 11.. Gross Elec. Energy (MWil) 753,900 1,593,688 23,331,783

-12. Het Elec.. Energy (NWH) 717,171 1,526,598 21,920,927

13. Reactor Service. Factor 100 100 84.6

14. Reactor' Availability Factor 100 100 84.6

15. Unit Setrice Factor- 100 100 83.1-16l Unit Availsbility' Factor 100 100 83.1 17 Unit Capacity Factor'(MDC net) 96.6 96.9 64.3

18. ' Unit Capacity ' Fact or (DER not) 95.3 95.6 63.31

- 19. Unit Fo rced - Outage - firs . 0 0 -886.4

20. Unit; Forced Outage Rate 0 0 3.3 21.-Shutdowns Scheduled Over Next-6 Monthat Hone

'.12. JC Shutdown at End of. Report Period,= Estimated Date of Startup'.

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

• liote - The cumulative ucmbers'do not re lect power generated priot to commercial service. ,

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-C. AVIRAGILDAILX_Illi? I_I'IMER- LEVIL DOCKET NO.: 050-455 UNIT: Dyron'Two DATE: 0~,/11/91 COMPILED UY: a. Orris TELEPHONE: (815)234-5441 x2444

-MONTH: February, 1191 DAY. AVERAGE DAIIJ' POWER LEVEL (MWe-!!e t )

1. 1051LFLW 16, 10.9(L.MW

2. 105B MW 17. 1251Jiw

3. 1056 MW 18. 1010 MW

4. 1069 MW 19. 1036 MW 5, 1022 MW 20. 1075 Mli _ .,

6. 107.9 MW 21. _ 1Qf6 MW-7, 992 MW 22. 1066 MW

% 1016 MW 23. 10j1Jfd' 1035.J1W 24. 106h llW

10. 1013J4W 25. 1QE9 MW 11.- 1Q23.EW 26. 1102_MW

12. -1107 MW 27. 1102 M11 _

-13. 11Q4 JfW 20. 1102 MW 14, 1099 MW

15. 1112_ytt a

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'INSTRUC7 IONS On-this form' list the average daily unit power level in MWe-Het for each day in the reporting montn. Compute t0 the nearest;whole megawatt. These figures (c

w111.b3.used to. plot a graph for each reporting month. Note that when maximum dependable capacity is used for the net electrical rating of the unJL there may h3 occasions.'when the daily average power level exceeds the 100% line (or L'1e restricted power level line. ) In such cases the average daily unit power output. sheet should be footnoted to explain the apparent anomaly.

(0625M/0062M/10)

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Report Period February, 1991' UNIT SHUTDOWNS / REDUCTIONS.

• BYRON *

(UNIT 2) -

No. Dar M e Hours Reason Method LIR Number System Comnonent. Cause & Corrective Action to Prevent "'ecurrence No Shutdowns or Major Reductions in February I

4-occ**********

o Summary

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ripe Reason 14ethod Syrtem & Component

't 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-R..%ced Load Licensee Event Report

& License Examination 9-Otne (LER) File (NUREG-0161)

(0625M/0062M/11) m

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. -8 F u _Ul!IQULBEEORIlliG_REQU LREMEliTS iUlilLU_ f o r_.t.he_mont.h s Lf ebr u ary 1991

1.  : Safety /Rellef' valve operations for Unit Two.

VALVES 110 & TYPE PLANT DESCRIPTION DAIE ACEATED ACTUATIori CollDITIO11 of_EVEtLT None

2. Licensee generated changes to ODCM. (Y/N; None

3. Indications of failed fuel. (Y/ti)

Yes Fuel Reliability Indicatcri FRI = 2.0E-( Ti/cc U

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.(0625H/0062M/12)

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- L__LICENSEElVEHLREPOEIS._1UNILZ1 i The-following 10 -a tabular summary of all Licensee Event Reports for Dyron Nuclear Power Station, Unit Two, submitted during the reporting period, February l'through February 28, 1991. This information is provided pursuant to i the reportable occurrence reporting regulrements as set forth in 10CFR 50.73.

Occurrence hlCCDEDS_Eytnt_Regarf Htehe1 Date Title _.nL_0ccuuttacs None L

s (0625M/0062H/13) f + sevy -