ML20128M947

Monthly Operating Repts for Jan 1993 for Byron Nuclear Power Station,Units 1 & 2

ML20128M947
Person / Time
Site:	Byron
Issue date:	01/31/1993
From:	Colglazier R, Schwartz G COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-93-0087, BYRON-93-87, NUDOCS 9302220407
Download: ML20128M947 (14)

Text

___ _ _ - _ _ _ - _ _ _ _ _ - _ - _ _ _

Commonwealth Edison C.

Byron Nuclean Station t

G 4450 North German Church Road

+

Byron, tilinois 61010 1

rebruary 11, 1993 1

LTR4 BYRON 93-0087 FILE:

2.7.200 Director, Office of Management Information and Program Control United States Nuclear Regulatory Commission Washington, D.C.

20555 5

ATTN:

Document Con _rol Desk a

Gentlemen:

Enclosed for your information is the Monthly Performance Report covering Byron Nuclear Power Station for the period January 1 through January 31, 1993.

Sincerely, ll. [/, [fiL

,O t-y%

G.

K.

Schwartz Station Manager Dyron Nuclear Power Station RP/RC/cf cc:

A.B.

Davis, NRC, Region III NRC Resident Inspector Byron Ill. Dept. of Nuclear Safety M.

J. Wallace/E.

b. Eenigenburg Nuclear Licensing Manager Nuclear Fuel Services, I%.R Plant Suppor t D.

R. Eggett, Station Nuclear Engineerjng INPO Rccords Center J. B. Hickman USNRC F.

Yost - Utility Data Institute, Inc.

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9302220407 930131

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,4 BYRON NUCLEAR POWER-STATION:

UNIT 1 AND UNIT 2:

ry7 MONTHLY PERFORMANCE REPORT cot 040NWEALTH EDISON COMPANY-NRC DOCKET NO. 050-454

.NRC DOCKET NO. 050-455 LICENSC NO. NPF-37 LICENSE NO. NPF-66 P

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Montitly_29PDrt for Byron UNIT _1 for tbs _ month ol_ January 1993

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Sum ary__of Operatino~Exp3rience-for Unit'-l-

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The Unit l began;this reporting period in. Mode 1 (Power Operations)._:?The -

power 2evel varied due-to.-load.-following requirements.

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' L_.Di'IRATIllGJATA_RIEORT

_ 050-454'

-DOCKET NO.'s -

-UNITt -Byron One DATE:

02/11/93 COMPILED BY:

R. Colglazier-

TELEPHONE: -(815)234'5441 x2262 OPERJ. TING STATUS -

l 1.

Reporting Period:

January, 1993.

Gross Hours:

744~

2.

Currently Authorized Power Level: 3411 (MWt)

.MWe-gross)

Design Electrical Rating: 1175

(

Design Electrical Rating: 1120 (MWa-net)

Max Dependable Capacitys 1105 (MWe-net) 3.

Power Level to Which Restricted (If Any): None

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4.

Reasons for Restriction (If Any): N/A

-l THIS MONTH YR TO DATE CUMULATIVE

• 5.

Report Period Hrs.

744-744 64,681-6.

Hx Critical Hours 744.

~ 744

-54,402.3 7.

Rx Reserve Shutdown Hours 0

0.

38.

B.

Hours Generator on Line 744 744 53,771 9.

Unit Heserve Shutdown Hours 0

0 0

a C10. Gross Thermal Energy (MWH) 2,382,891 23,828,891-162,839,182

11. Gross Elec. Energy (MWH) 802,121 8(2,121 54,903,709L

12. Net Elec. Energy (MWH) 779,558 719,558 51,985,424

13. Reactor Service Factor 100 100 84.11

14. Reactor Availability Fector 100

-100

-84'.17

15. Unit Service Factor 100 100

-82.94

16. Unit Availability Factor

.100 100

-83.13'

17. Uilt. Capacity Factor (MDC net) 94.82 94.82 72.73 18._ Unit Capacity Factor (DER net) 93.55 93.55 71.76 14 Unit Forced Outage Hrs.

0-O.

1,403.4

20. Unit Forced Outage Rate

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2.54' 4

4

21. Shutdovns Scheduled Over Next 6 Months:

Refueling Outagn DIR05 2/5/93

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

4/10/93

23. Units in Test Status (Prior to.Commercini Operation): None O Note - The cumulative numbers do not reflect power generated prior to commercial service.

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AVERAGE DAILY UNIT POWER LKEEL.

10501454' DOCKET NO s.

-UNIT --cByron One

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02/11/93 COMPILED BY:-* R.:Colglasler TELEPHONEJ- (815)234-5441L x2282 MONT118 - January, 1993 s,

lm DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

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1.

785 MW 16.-

1101_MW'-

2.

780 MW 17.

-1111 MW

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859 MW 18, 1110 MW i

.4.

1077j}{H 19.

11D_4 MW 5.

1111 MW 20, 1091 MW1 6.

1111 MW

-21.

1075'MW I.

7.

113 0 Mit 22, 1069-MW 8,

1110 MW 23.

-1045 MW-9.

1103 MW

24. _

1046 MW--

5 10.

1105 MW 25.

1041 MW 11.

11Q4 MW 26.

1021 MW 12.

1102 MW 27.

1Q16 MW' 13.

110H_lDf 28.

1007 MW s

14.

1111 MW 2 9..

1000 MW

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-15.

1107 MW 30.

982-MW i

31.

.26.2 MW-INSTRUCTIONS p

On this form list the average daily unit power let'el 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 =

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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%Eline

- (or-the restricted power level li m.)

In such casos t.he average daily! unit power output sheet. should be-footnoted = to explain the apparent-anomaly.--

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Report Period January, 1993 UNIT' SHUTDOWNS / REDUCTIONS BYRON (UNIT 1)

Iygg_hoursReasonMethod LER' Number System Component Cause & Corrective Action to Prevent Recurrence No.

., Date

.1 1/19/93 S

H 9

Unit began its Coastdown to BIR05 Unit began its Coastdown:to BIR05:

Summary IIEE Reason Bethod System &' 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 Instructiocs for C-Refue'. ng H-Other' 3-Auto Scram Preparation of D-Regulatory Restriction,'

4-Continued Data, Entry Sheet E-Operator Training 5-Reduced' Load Licensee Event Report

&' License Examination 9-Othe r (LER). File (NUREG-0161) c :-

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i E[_1310UE_REEORIIELEIOUIREMEUIS_IUNIT1) for the month of_JAnunty j i l.

Safety / Relief valve operations for Unit-One.-.

21 VALVES-NO & TYPE

-PLANT-DESCRIPTION DATE

', ACTUATED-ACTUAllON CONDITION :

OF EVENT F

None.

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Licensee generated changes to ODCM.

3.

Indications of failed fuel.;

Fuel Reliability Indicator:-

Yes FRI:

5.9E-4 pC1/cc-4.

10CFR50.46 Reporting _Requirementst -Peak Clad tamperature (PCT) changes resulting Irom change or-errors to.the ECCS evaluation model.

Cur rent.lleensing basis PCT plus. margin allocation ~ (*F)

IarJgte_. Ate.ak_LOCA EmalLALeak._LOCA -

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2051.3 1681.6 Explain differences from previous report:

The small break LOCA value changed to account for incorrect' safety injection data for the centrifugal. charging. pump-(166.5')'and uncertal'nty of the pressurizer pressure initial' condition.during EGC operation'(5')

per December ::2, 1992 letter from Marcia_ A. Jackson to,Dr. Thomas'E.

Murley.

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.1 i LICIHSIE_,IYENT REPORTS (UNIT 1)

The following is a-tabular summary _of all Licensee F, vent Reports for-l-

= Byron Nuclear Power. Station, Unit One, -submitted during _ the reporting ' period,:

January 1, 1993'through January 31, 1993.'_This'information is provided pursuant to the reportable. occurrence reporting requirements'as' set forth in 10CFR 50,73.':

Occurrence-LisRAGER_EYEAOCport Number Data '

Title _QLRcrurrence NONE i-I t

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., y-II. Koni.hlyJepart lar_JyysrLUBIT 2 for_ the_ month olhunIy_l123

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f*ummary_0LSPflatingDDRflance - for' Unit 2 The Unit began this>r porting period =in Mode:1 (Power Operations).-

The power 1evel varied'due to load following requirements.

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Da_DEIRAIDIG_ RATA REPORI

-DOCKET NO, 3 -050-455.-

UNIT: Dyron Two DATE : 02/11/93 COMPILED BY:

R.-Colglazier TELEPHONES- (815)234-5441 x2282' OPERATING-STATUS 1.

~ Reporting Period: January, 1993.

GrossLHours: 744 2.

Currently Authorized Power Level 3411-(MWt)

Design Electrical Rating: 1175 -(MWe-gross)

Design Elsetrical Rating: 1120 (MWe-not)

Max Dependable Capacity -3105 (MWe-aet)--

3.

Power Level to Which Restricted (If Any):

N/A-4.

Reasons for Hestriction (If Any):

THIS MONTH YR TO DATE.

CUMULATIVE

• 5.

Report Period Hrs.

744 744 47,785 6.

Rx Critical Hours 744 744 41,079.6 7.

Rx Reserve ~ Shutdown Hours 0

01 0

8.

Hours Generator on Line 744 744-40,549.3' 9.

Unit Reserve Shutdown Hours 0

0 0'

10. Gross Thermal Energy (MWH) 2,377,986 2,377,986 115,128,443.

11. Gross Elec. Energy (MWH) 815,162 815,162 39 031,100-

12. Net Elet. Energy (MWH) 792,307 792,307 36,953,v66

13. Reactor Service Factor 100 100 85.97

14. Reactor Availability Factor 100 100 35.97

15. Unit Service Factor 100 100'

'84.86-

16. Unit Availability Factor 100 100

'84.86

17. Unit. Capacity Factor (MDC. net) 96.37 96.37 69.98

18. Unit Capacity Factor (DZR net) 95.08 95.08 69.05

19. Unit Forced Outage Hrs.

0 0

1244

20. Unit Forced Outage-Rate 0

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2.98

21. Shutdowns Scheduled Over Next 6 Months:

1 82R04 n08/28/93

22. If Shutdown at Ead~of Report Period, Estimated Date of Startup: NONE

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

• Note - The cumulative numbars do not reflect power j

generated pticr to commercial service.

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DOCKET NO.

050-455<

UNIT -- Byron-Toro DATES- 02/11/93-COMPILED.bl. :R.'Colglazier-TELEPHONE:-.(815)234-54411 f

x2202L MONTH: January, 1993 s r DA7' AVEFAG51 DAILY POWER LEVEL

'(MWe-Net) 1.

1052 MW 16.

_1007..MW 2.

.. 10Sl_NW 17.

-1105 MW 3,

1015 MW 18.

1124 MW 4.

1055_MW 19.

112B_MW 5,

1000 W

20..

1128 MW.

6, 835 MN

21. -

1;?(_NW 7,

1071 MW 22.

1114 MW-8.

1135 MW 23.

1033 MW~

1128 MW 2 4. -.

991 MW-9.

10, 1117 MN 25, 1125.MW 11.

312fLNW 26.

1111 MW f

12. _ _._

112d MW 2'7.

1101 MW 13.

1127 MW 28.

1039 MW 3.1 14.

1132 MW 29.

1126 MW-15.

112R_MW 30.

1121:MW 31.

575 MW INSTRUCTIONS On this form list the average daily unit power level in HWc-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 out.put sheet should be footnoted to explain the. appcrent anomaly.

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t Report Period Jannary, 1993 UNIT SHUTDOWNS / REDUCTIONS BYRON (UNIT 2) a

_No _

D C 'Iygg Hours. Reason Method LER Number SyEleJ Cc:r gonent Cause & Corrective Action to Prevent Recurrence' l'

01/30/93 A

5 FW Pump Reduced load to repair leak on 2FWO90D.

Sumary. *

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TYPE _

_ Eggspn Method S stem & Compg int i

F-Forced A-Eguip Failure F-Admin 1-14anual Exhibit F & H

.S-Sched-B-Maint.or Test' G-Oper Error 2-Manual Scram Instructions for C-Refueling H-Other 3-Auto Geram Preparation of D-Regulatory Restriction 4-Continued Data' Entry Sheet E-Operator Training 5-Reduced Load Licer

+ Event' Report

& License E. amination 9-Other

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Ex._.3fil10VLEEf0RIING_REOUIRE14ENTS l(UNIT 2)i. fat _the montlLQLdanu y.-1993 1.1 Safety / Relief. valve' operations.for Unit-Two.-

VALVES NO & TYPE'

'PLANTc DESCRIPTION s

DATE ACTUATED ACTUAT101{ -

COND1TIQti' OF EVFti2; None 2.

Licensee generated changes to ODCH.

c 3.

Indications of failed fuel.

Ho.

Fuel Reliabillty Indicator FRI = 7.BE-5 pCl'!C 4.

10CFR50.46 Reporting R'equirements: ' Peak Clad temperature (PCT) changes:

resulting from changes or errors-to the ECCS evaluations model..

Current lit.ensing basic PCT plus major allocations -('F)-

i Large_ Break LOCA Sjnall Break LOCA 2064.1 1681.6 Explain differences from previous toport:

Tne small-break LOCA value changed to account for.: incorrect safety Injection =

data for~the centrifugal charging pump (166.5') and uncertainty of the pressurizor pressure initial condition during EGC operation'(5') per December; 22, 1992 letter from Marcia~A. Jackson to Dr. Thomas E. Murley.

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- E, LICENSEE EVENT' REP _QRTS (UNIT.21 The.f2110 wing: 1s a-tabular summary of'all Licensee Event Reportsefor--

Dyron Nuclear Power Station,' Unit Two,-submitted during the.-reporting ~ period,

-January'1, 1993 through:_ January,314f1993. This information is provided pursuanti to the_ reportable occurrence reporting' requirements an-set forth in 10CTR-50.73.

L.i.C. RAG 29_1YRRt lePDIA lhil!!h21 QCcurrenCD DA.te1

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