ML20085D398

Monthly Operating Repts for Sept 1991 for Byron Nuclear Power Station

ML20085D398
Person / Time
Site:	Byron
Issue date:	09/30/1991
From:	Ehle D, Pleniewicz R COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-91-0772, BYRON-91-772, NUDOCS 9110160141
Download: ML20085D398 (14)

Text

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[. *'-y'N Commonwrith Edison

) Dyton Nucle:r Station

(  ::00

\g] 4460 Notth German Byron, Ilknots 61010 Church Rozd Octobe: 0, 1901 .

LTRs liYRCal 91-0772 FILET 2.7.200 Director, office of Management informat1(n and Program Control United 3tates Nuclear Regulatory Commissics.

Washington, D.C. 20555 a

ATTH: Document Control Desk Centlement Enclosed for your luformation is the Monthly Pufformanco Report covering liyron Nuclear Power Stat ion f or the period Sept ember 1 t hrough Sept ember 30, 1991.

Sincerely,

( ,tW m -

H. Plenlewicz

-f ff' Station Manager gy Byron Nuclear Power Station RP/DE/bl (3607M/VS) cc: A.D. Davis, NRC, Region III HRC Resident Inspector Dyron Ill. Dept. of Nuclear Safety M. J. Wallace/K. L. Greesser Nuclear Licensing Manager Nuclear fuel Services, PWR Plant Support D. R. Eggett, Station Nuclear Engineering INPO Records Center A. Hola - USNRC T. Yost - Utility Data Institute, Inc.

9110160141 910930 F PDR ADOCK 05000454 -

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UYtitH NUCLEAR IWr.R STATIC.?!

UNIT 1 AND Ui:!T 2 MONTitLY PERFORMANCE REPORT COMMONWEALTil EDISON COMPANY NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 1.If MSE HO. NPF-37 LICENS3 NO. NPF-6t c

(3687M/vs/1) l

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- I .-- -Monthly _ Revert f ur_Byl.oILUltitl_ Lor __ the ment.h_oLSeriember_1991 h,._Swnmary_o toperating.Japellence_LoLUnit_1 lThe unit Is in Mode-6 of refueling outage.

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II (3687M/VS/2)

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IluDPDAIIHLDATLREPoliT DOCKET NO.: 050-454 UNIT: byron One DATE: 10/08/91 COMPILED BY: D. Ehle TELEPHONE: (815)234-5441 x2263 OPERATING STATUS

1. Reporting Period September, 1991. Gross llours: 720

2. Currently Authorized Power Level: 3411 (MWt)

Design Ele:trical Hating: 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 Restriction (If Any): N/A Tills MCNTH YR TO DATE CUMULATIVE *

5. Report Period Hrs. 720 6,551 52,944

6. Rx Critical flours 121.9 5,952.9 43,637.1

7. Rx Reserve Shutdown flours 0 0 38

8. Ilouts Generator on Line 120.1 5,951.1 43,106.7

9. Unit Reserve Shutdown Hours 0 0 0

• 10. Gross Thermal Energy (MWH) 140,704 16,514,0>4 129,386,638

11. Gross Elec. Energy (MWH) 42,116 5,549,491 43,630,571

12. Net Elec. Energy (HWil) 29,736 5,240,172 41,152,437 _

13. Reactor Service Factor 16.93 90.87 82.42

14. Reactor Availability Factor 16.93 90.87 82.49

15. Unit Service Factor 16.68 90.84 81.42

16. Unit Availability Factor 16.68 90.84 81.42 17, Unit Capacity Factor (MDC net) 3.74 72.39 10.34

18. Unit Capacity Factor (DER net) 3.69 71.42 69.40

19. Unit Forced Outage Hrs. 0 0 1,206.4

_. 20. Unit Forced Outage Rate 0 0 2.85

21. Shutdowns Scheduled Over Next 6 Months: Unit I fourth ref uel outace.

22. If Shutdown at End of Report Period, Estimated Date of Startup: 13/06/91

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

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

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. ' Ci_lAVEBAGE._DAILL.11 HIT _f2fEILLEYEL ^

DOCKET NO.: 050-454 UNIT: Dyron One DATE: 10/08/91 COMPILED BY: D. Ehle w TELEPHONE: (815)234-5441 x2263 (MONTH: Soptember, 1991 DAY AVERAGE DAILY POWER LEVEL (MWe-Het)

• 1.

_ _ , _ - -3 2LW 16. . __ _,__-J L W

2. .12LMM, - 17. -lLMN l 3.- 31LMM 18. -1LMW 4.- 31},Jf4 19 -13 MW

5. -289 MW _ 20. -1L}iW d=

6. -15 if4 21. -13 MW _

.7. 22.

-14_}M -1LNW _

'i

. 8. -14.,JfW 23. -la MW

'9.. -13_MW . 24 -12 MW _ _

10 . _ -1LEN__ _ 25. -1LMW _ _ _ _ _ . .

-11. -13 MW .__, 26. -12 MW

-12. -13_}m 27. -1LHW

= 13 . _ -13 MW 28 -12 MW .

'14. _ -lL}M 29. -12.lM _

'15.

-13 NW 30. -12_}M _

31. MW

' INSTRUCTIONS On this form list the average daily unit power level in MWo-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 Gependable-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.

r

( 3687M/.VS / 4 )

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W Report Per:iod September, _1991 UNIT SHUTDCf*'NS/ REDUCTIONS

• BYRON *

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

No,. Date Tyne 'h ts Reason Method LER Utunber System Component fause & Corrective Action to Prevent Recurrence 3 09/06/91 5 599:54 C 1' Unit I refueling Cutage BIR04.

• • eee**********

• Summary

• TYPE Reason Mgt. hod System & Component F-Forced A-Eqt p Failure F-Admin 1-Manual Exhibit F & H S-Sched B-Maint or Tes.t G-Oper E'ror 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)

(3687M/VS/5)

- E,_..TH100E_RERORTING_ REQUIREMENTS. (UMII 1Linr_1hn_JunthJ2LEcptember_1M1 '

1.=.~ Safety /Felletl-valve operations ~for Unit One.

VALVES NO & TYPE PLANT DESCRIPTION

-DATE ACTUAIED ACIVATION CONDITION Of_EYENT Hone

2. Licenneo generated changes to ODCH.

None.

3.. Indications of failed fuel.

No Fuel'Heliability Indicator: FR1 =.1.5E-4 itC1/cc

.First-5 days of month only. Unit shut-down on 9/06/91.

t (3687M/VS/6)

F- ' L LCEliS EE_EVIllI_REl'ORIS_iBtilT_11 The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, submitted during the reporting period, September 1 through Septe:aber 30, 1991. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licensta_ErenLResDLt_Ilmnh21 Dale IltitLRf_Oscurrence None.

(3087M/VS/7) 1

I I . ' Mu nthly_Repo.ti_f o tDyr on_UN ILLf otthe_mo n th..o LS ep t.cmbe L 1991 A dwuury_otryes atinglaperlenen IotUniL2 The unit began this reporting period in Mode 1 (Power Operation) and continued there all mont.h. The power level varied due to load following requi1ements.

L (3687M/VS/8) l

_ _ _ _ _ _A

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- D. ' OPERATitlG_ DATA _RfffRT DOCZET NO. 050-455 UNITt byron Two DATE. 10/08/91 COMPILED bY: D. Ehle TELEP110NE t (815)234-5441 x2263 OPERATING STATUS

~

1. Reporting Periodt _ September, 1991. Gross lloorst 720 2 .CurrentlyfAuthorited Pouer 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): N/A 4 . -- Reasons for-Restriction (If Any):

THIS MONTH YR TO DATE CUMULATIVE * ,

5.- Report Period Ilts. 720 6,551 36,048

6. Rx Critical Hours 720 6,551- 31,283.1

7. Rx Reserve Shutdovn Hours 0 0 0

8. liours Generator on tine 720 6,551 30,835.6 9 .- Unit Reserve Shutdown' Hours 0- 0 0

10. Gross Thermal Energy (M.fH) 2,263,850 20,873,718 '85,185,110 11'. Gross-Elec. Energy (MWH) 160,729 7,072,604 28,810,699

12. N st Elec. : Energy-- (MWH) . 729,324 6,727,089 27,131,418 13, Readtor Service Factor 100 100 86.78' L 114.nReactor Availability Factor 100 100 86.78

15. Unit Service Factor 100 100 85.54 116. Un.it Availability Facter 100 100 85.54-

[ 17. Unit Capacity Tactor (MDC net) 91.67 92.93 08.11

'18. Unit Capacity Factor (DER net) 90.44 91.69 67.20

19. Unit Forced Outage Hrs. D 0 886.4

20. Unit Forced Outage Rate 0 0 2.79

- 21. Shutdowns Scheduled Over Next 6 Monthst Unit 2 third refuel outage.

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

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

~

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

(3687M/VS/9) b

m . ._ _ . . _ . _ _ . . _ . . - _ . _ . _ . . . . . _

. _ _ . . , , _ . ~ . , _ . .

A C,CVERAGE DAILY UNIT POWEILLEVEL DOCKET NO.: .050-455 UNIT: Byron Two DATE: 10/08/91- l COMPILED BY: D. Ehle TELEPHONE: (815)234-5441 x2263 MONTH: September, 1991 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)-

.- 1. 788 MW 16. _1083 MW

2. H9JiW 17. _ .105 9_KW._

3, 104pJfW _ 18. 1923 MW ._

4, 8 9 9__.tg_ 19. 1021 MW

5. 22D E _ 20 101DJiw >

6. 018 MW 21, 802 MW 7 _- 1019_.MW 22. a QS._M4 ._.

G. _ 1026 MW 23. 959 MW

9. 3027 MW 24. 11D2 MW _

10. 106E 25. 1084 MW

.11. 1104 MW 26. . 1030 MW

12. 1982 MM 27. 1100 MW

13. 1010 MW 28. 1087 MW _

14. 1071 MW __ 29.- 1087 MW 15;. 1067 MW .30.. 1096 MW-

31. . M14 I STRUCTIONS On this' form list the average daily unit power level in MWe'-Net for each day- -

in the reporting month. Compute to the nearest whcle 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 occablons when the' daily average power level exceeds the 100% line (or the restricted power invol line.) In such cases the average daily unit power output sheet should be footnoted to explain the apparent anomaly.

(3687M/VS/10) 4 m + - . .

+

twp;rt Period September, 1991 UNIT SHUTDOWNS /REDUCTICNS

• BYRCN *

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

No. Date Type Hours Eggann Methnd LER Number System Component Cause & Corrective Actior to Prevent Recurrence 3 9/21/91 S 48 A 5- CW ' Reduced load to clean water bozos.'

• .'iummary

• eme************

TYPE Etagon Method System & Component F-Forced A-Equip Failure F-Admin 1-Manual Exhibit F & H S-Sched 3-Maint or Test G-Oper Error 2-Manual Scram Instructions for C-Refueling H-Othe r 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)

(3587M/VS/ll)

.a

_4- .,,

LID {IOUE HEEORTING REOUIREMENTS (UR12.) for the manth af SeptembeI_1.911

- 11 Safety /Redef valvo operations for Unit Two, VALVES .NO & TYPE. PLANT DESCRIPTION

'DATE~ ACTUATED ACIUATIOli CORDITIQti RLIYENT 1

i None-

2. -Licensee genert.ted changes to ODCM.

None.

~

3. - . Indications ...of- f ailed fuel .

Ye s Fuel: Reliability Indicator FRI = 8.bE-4 pC1/cc

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(3687M/VS/12)

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. fa__LifERSIIL.EYINT_REEQRIS IUH1Tll -

The following is a tabular summary of:all Licensee Event Reports for Byron Nuclear. Power Station, Unit Two, submitted during_the reporting period, September 1.through September 3 0, ~ 19 91'. . This-information is provided pursuant

.to t e h reportable occurrence reporting requirements as set _forth'in 10CFR 50.73.

' Occurrence LICanE12. Event Rep. ort NutnAct Date Title ofJssungnce None d

f' a

e (3687M/VS/13) w w 'I *m 4"' # -

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