ML20044F129

Monthly Operating Repts for Mar 1993 for Byron Nuclear Power Station Units 1 & 2.W/930406 Ltr

ML20044F129
Person / Time
Site:	Byron
Issue date:	03/31/1993
From:	Colglazier R, Schwartz G COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-93-0206, BYRON-93-206, NUDOCS 9305260479
Download: ML20044F129 (14)

Text

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,j f Commonwealth Edison Byron Nuclear Station h

3 4450 North German Church Road i Byron, lilinois 61010

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1 Apir) 6, 1903 LTR: D'iRO!1 93-0206 FILE: 2.7.200 (1.10.0101)

Director, Of fice of 14anagement Information and Program Control finited St at es fluc l e a r Regulatory Commission Washington, D.C. 20555 ATTIJ : Do r mna n t Cont.f ol Desk Contlemen:

Enclosed for your information is t he liont hly Performance Report r<evering flyion Nuclear Power "tation for the period March 1 through Manch 31, 1093.

Since ely,

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G K Schwattz Stat ion 14anage Dyron Nuclear PiM r Station

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<c' A.B. Davin, URC, Region III NRC Resi(lant Inspect or Byron IL Dept. of Nuclear Safety M.J. Wallace/E.D. Eenigenburg Nuclear Licensing Manager Nuclear Fuel Services, FWP Plant Support D.R. Egget t, Station 14uclear Engineoring INPO Pecords Center J.D. H i c k rn a n - USNRC F. Yost - Utility Data Institute, Inc. I I

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9305260479 930331 -

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BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 LICENSE NO. NPT-66 j

(3927M/VS/040693/1)

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I. Monthly _leport for Byron UNIT 1 for the month of March 1331- ')

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A. Summetry of Operatina Experience for Unit 1  !

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The Unit began this reporting period in Mode 6 (Refueling Outage).  !

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DOCKET NO.~: 050-454 i' UNIT: Byron One DATE: 04/06/93 COMPILED BY: R. Colglazier TELEPIlONE : ' (815)234-5441-x2282 OPERATING STATUS

1. Reporting Period: March, 1993. Gross Hours: 744

2. Currently Authorized Power Level: 3411 (MWt) '

Design Electrical Rating: 1175 (MWe-gross).

Design Electrical Rating: 1120 (MWe-net) i Max Dependable Capacity: 1105 (MWe-net)  ;

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3. Power Level to Which Restricted (If Any): None

4. Reasons for Restriction (If Any): N/A 'f THIS MONTH YR TO DATE CUMULATIVE * '

5. Report Period Mrs. 744 2160 66,097  !

6. Rx Critical Hours 0 842.4 54,500.7

7. Rx Reserve Shutdown Hours 0 0 38 [

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8. Hours Generator on Line 0 842.4 53,869.2.

9. Unit Reserve Shutdown Hours 0 0 0

• 10. Gross Thermal Energy (MWH) 0 2,641,131 163,097,422

11. Gross Elec. Energy (MWH) 0 889,469 54,991,057 3

12. Het Elec. Energy (MWH) -9,392 848,322 52,054,188 3

13. Reactor Service Factor 0 39.00 82.46.-

14. Reactor Availability Factor 0 39.00 82.51 [

15. Unit Service Factor 0 38.99 81.50

- 16. Unit Availability Factor 0 38.99 81.50

17. Unit Capacity Factor (MDC net) -1.14 35.54 71.27

18. Unit Capacity Tactor (DER net) -1.13 35.07 70.32

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

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20. Unit Forced Outage Rate 0 0 2.54' {

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21. Shutdowns Scheduled Over Next 6 Months: Refueling Outage BIR05 2/5/93 l 1

, 22. If Shutdown at End of Report Period, Estimated Date of Startup: 4/15/93 .j

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

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• Note - The cumulative numbers do not reflect power .

generated prior to commercial service. j l

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.'L. AVIEAGE._ DAILY Uli1T POWER _LUV_EL i

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DOCKET NO.: 050-454  !

UNIT: Byron One DATE: 04/06/93

COMPILED BY

R. Colg1eeier~  ;

TELEPHONE: (815)234-5441 l x2282 MONTH: March, 1993 s .

I DAY AVERAGE DAILY POWER LEVEL *

, (MWe-Net) f

1. -12 MW 16. -12 MW l i

2. -1LMW 17. -12 MW j

3. -1LMW 18. -12 MW f

4. -12 MW 19. -12 IF

5. -12 MW 20. -12 MW  !

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6. -1Lis 21. -12_MW j

7. -12 MW 22. -12 MW t

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8. _ -2LMW 23. -12 MW- }

] 9. -12 MW 24. -13 MW I

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10. - U_kM 25. -11_MW ,

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11. -ILMW 26. -13 MW '

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12. -12 MW 27. -13 MW  ;

13. -12_MW 28. -13 MW  ;

6 j- 14. -1LMN 29. -13 MW j 4 .

15. -12._MW 30. -JJ__MW  !

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31. -13 MW i

INSTRUCTIONS On t his form list the average daily unit power level in MWe-Fet 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 uonth. Note that when maximum j 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 .'j 4

power output sheet should be footnoted to explain the apparent anomaly.

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(3927M/VS/040693/4) i I

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Report Period March, 1993 UNIT SHUTDOWNS / REDUCTIONS -* BYRCN *

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

No. Date Typpe_ Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence 2 3/01/93 S 744 C 4 BIR05

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• Summary

• BIR05 eme************

I TYPE Reason Method 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 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 Report

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

( 3 9'27M/VS/ 040693 / 5 ) l O

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UtilQILE REPORTING REOUIREtiENTS (U13IT 1) for the month oLMar_Cltl293 _l b

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1. Safety / Relief valve operations for Unit One. l r

VALVES NO & TYPE PLANT DESCRIPTION HATE ACTUATER ACTUATIDIl .CQHPlIl0E OF EVENT ,

i None i f

2. Licensee generated changes to ODCM.

.I None

3. Indications of failed fuel.

Fuel Reliability Indicator:

No FRI: Unit Shutdown l

4. 10CFR50.46 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)  !

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Large Break LOCA Small Break LOCA ,

2051.3 1681.6 {

Explain differences from previous report:  !

l The small break LOCA value changed to account for incorrect safety .

4 injection data for the centrifugal charging pump (166.5*) and uncertainty  !

of the pressurizer 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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- L l,1CEJEEE EVENT REPORTS (UNIT 1) {

The following is a tabular summary of all Licensee Event Reports for Dyron Nuclear Power Station, Unit One, occurring during the reporting period, March 1, 1993 through March 31, 1993. This information is provided pursuant to  ;

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

Occurrence l' Eicraste__EXs11t_ Report Numbs 1 Date Title of OccpIranse i I

LER: 454:93-003 3/06/93 Damaged fuel. assemblies and j upper internals .i i

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!2 II. Pipath]L_ Report for By_Lc;LifMIT_J_[pr_Lhe month of Matrch 1993 ,

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, A. Summary of Operatino Experience for Unit 2 l t

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

i The power 3evel varied due to load following requirements.

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. .B . OPIRA*URG DATA REPOPJ

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DOCEET NO.: 050-455  !

UNIT: Byron Two  !

DATE: 04/06/93 l COMPILED BY: R. Colglazier l TELEPHONE: (815)234-5441 i x2282 i OPERATING STATUS ,

1. Reporting Period: March, 1993. Cross Hours: 744 ,

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2. Currently Authorized Power Level: 3411 (MWt) i Design Electrical Rating: 11'a i (MWe-gross) l Design Electrical T:ating: 1120 (MWe-net) l Max Dependable Capacity: 1105 (MWe-net)

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

4. Reasons for Restriction (If Any): l t

If THIS MONTH YR TO DATE CUMULATIVE

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5. Report Period Hrs.- 744 2,160 49,201 {

6. Ex Critical Hours 744 2,160 42,495.6 i i

7. Ex Reserve Shutdown Hours 0 0 0 l

8. Hours Generator on Line 744 2,160- 41,965.3 I 9. Unit Reserve Shutdown Hours 0 0 0  ;

' 2,500,150 7,087,014 119,837,471 j

10. Gross Thermal Energy (MWH)

11. Gross Elec. Energy (MWH) 855,112 2,429,777 40,645,715 i

'12. Net Elec. Energy (MWH) 829,093 2,366,394 38,527,153 i 13. Reactor Service Factor 100 100 86.37 l

14. Reactor Ava11 ability Factor 100 100 86.37 j l

- 15. Unit Service Factor 100 100 85.29 f 3 1

16. Unit Aval. ability Factor 100 100 85.29 l

. 17. Unit Capacity Factor (MDC net) 100.85 99.15 70.86 l 4

18. Unit Capacity Factor (DER net) 99.50 97.82 69.92

19. Unit Forced Outage Hrs. 0 0 1244

20. Unit Forced Outage Rate 0 0 2.88 j

21. Shutdowns Scheduled Dver Next 6 Months: 1 -B2R04- 08/29/93 '

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

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

• Hele - The cumulative numbers do not reflect power i generated prior to commercial service. l

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C_._AVERAGU_RAILY UNIT POWERlEVIL i DOCKET NO.: 050-455 ,l UNIT: Byron Two i DATE: 04/06/93 COMPILED DY: R. Colglazier TELEPHONE: (815)234-5441 l x2282 i

i l MONTH: March, 1993 i

4.  ;

DAY AVERAGE DAILY POWER LEVEL  ;

(MWe-Het)  !

1. _ 1.11LtiW 16. _.322LNW  :

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2. 1126 MW 17. -1139 MW  ;

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3. IllLMW IB. 1133 14W

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4. _JJ 2 3 MW 19. 1130 MW t

5. 1128 tm 20. 1126 MW

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6. 112LMW 21. 1128 MW  :

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7. UO7 MW 22. 1126 MW i i

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8. __ IMLMH 23. 111LMW r

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9. 1130 MW 24. 1108 MW i

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10. 112LMW 25. 1078 MW

11. 1136 MW 26, 1055 MW

12. 1139 EW 27. 1098 MW _

i l 13. 1137 MW 28. 1067 MW k

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14. ,,_ IJ 21. PiW 29. 103B MW i

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15. 112Lt4W 30. 1088 MW  !

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31. 1083 MW f 1

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INSTRUCTIONS l I

On this form list the average daily unit power level in MWe-Het 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 max 2 mum 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 j (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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(3927M/VS/040693/10)  !

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• • • • • • • • • • • • • • • • • • • • • • • =**

Report Period March, 1993 UNIT SHUTDCWNS/ REDUCTIONS

• SYRCN *

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

. N o . ._ Date 'e Ha m Reason Methgd LER Numbfti System Component Cause & Corrective Action to Prevent Recurrence

• Summary

• No Shutdown or Major Reductions for Unit 2 in March TYPE Reason Method 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 Instructions for C-Refueling H-Other 3-Auto Scram Preparation of i D-Regulatory Restriction 4-Continued Data Entry Sheet E-Operator Training S-Reduced Load Licensee Event Report

& License Examination 9-Other (LER) File (NUREG-0161) m B (3927M/VS/040693/11) h

., , , , = , . , , . - - - . . , - , . . , , . . . , - . - , , . .

E _* UNIQUEJEP_0RTI11G._REQUIREMENTSJWITlLlotthe_ month _ouintch_.1331

1. Safety / Relief valve operations for Unit Two.

VALVES NO & TTPE PLANT DESCRIPTION -

DATE ACT11ATED ACTUhTlRN _COHRITION _ OF EVENI. -

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2. Licensee generated changes to ODCM.

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3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 2.3E-5 pCi/CC f

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

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Current licensing basis PCT plus major allocations ('F)  ;

i Large__Br eaLLRCA Small31_e.ak_LOCA f 2064.1 1681.6 l r

Explain differences from previous report: 'j i

The small break LOCA value changed to account for incorrect safety injectJ.an ~

data for the centrifugal charging pump (166.5*) and uncertainty.of the  !

pressurizer pressure initial consdition during EGC operation (5*) per December l 22, 1992 letter from Marcia A. Jackson to Dr. Thomas E. Murley. [

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l f_, M LCENSEE EVENT REEOllTS (UNIT 2)  ;

l The following is a tabular summary of all Licensee Event Reports for I Byron Nuclear Power Station, Unit Two, occurring during the reporting period, l March 1, 1993 through March 31, 1993. This information is provided pursuant to '

the reportable occurrence reporting requirements-as set forth in 10CTR 50.73. j kirEDEfe_E_Y.ent_Rgrort Number Occyr_tence Date Titlt.cf Occurrenge l LER 455:93-002 3/31/93 Unit I service l water pump i availability to j Unit 2. j I

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