ML20086M286

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Monthly Operating Repts for Nov 1991 for Byron Units 1 & 2
ML20086M286
Person / Time
Site: Byron  Constellation icon.png
Issue date: 11/30/1991
From: Ehle D
COMMONWEALTH EDISON CO.
To:
Shared Package
ML20086M281 List:
References
NUDOCS 9112170317
Download: ML20086M286 (12)
v • d • e


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. BYRON NUCLEAR POWER STATION

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UNIT I AND UNIT ?

M NTHLY PERFORMRICE REPORT

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COMMONWEALTH' EDISON COMPANY NRC DOCKET NO. 050-454

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

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1 PI 1. l /U52 7 y11 gggf hI '930CK 05000454 PDR

-(3750M/VS/1)

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l'. ' Monthly _RepoLLioLUyton Um._LLor_the_manth..sLMnvembet1191 A._._ Summa ry..AL0pe r ating lape rie nc e_ f o r_ Uni t 1 The unit came out of refueling outage on time, but was forced to shut down on November 19 to repair a leak on the CD System. The unit is now in Mode 1.

(3750M/VS/2)

B ..i. 0PERATING.DATh_ REPORT DOCKET NO.: 050-454 UNIT: Byron One DATE: 12/08/91 CLMPILED DY: D. Ehle TELEPHONE: (815)234-5441 x2263 OPERATING STATUS

1. Report.ing Period: November, 1991. Gross Hours: 720
2. Currently Authorized Power Level 3411 (MWt)

Design F.lectrical Rating: 1175 (MWe-gross)

Design Electrical Rating: 1120 (MWe-not)

Maar Dependable Capacity: 1105 (MWe-net.)

3. Power Level to Which Restricted (if Ar.y): None 4, Reasons for Restriction (If Any): N/A Tills MLNTil YR TO DATE COMULATIVE*
5. Report Feriod Mrs. 720 8,016 54,409
6. Rx Critical Hours 545.0 6,490.7 44,102.9
7. Rx Reserve Shutdown llours 0 0 58
8. Hours Generator on Line 453.2 6,404.3 43,559.0
9. Unit Reserve Shutdown flourn 0 0 0
  • 10. Gross Thermal Energy (MWil) 1,016,765 17,530,799 130,403,405
11. Gross Elec. Energy (MWH) 327,116 5,876,607 43,957,687
12. Het Elec. Energy (MWH) 300,010 5,529,347 41,441,612
13. Reactor Service Factor 75.81 81.07 81.21
14. Reactor Availability Factor 75.81 8'1.07 81.27
15. Unit Service Factor 62.94 79.89 80.06
16. Unit Availability Factor 62.94 79.89 80.06
17. Unit Capacity Factor DIDC not) 37.71 62.42 68.93
18. Unit Caperity Factor (DER not) 37.20 61.59 68.01
19. Unit Forced Outage Hrs. 76.10 76.10 1,342.5
20. Unit Forced Outage Rate 14.38 1.17 2.99
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.

(3750M/VS/3)

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Report Period November, 1991' UNIT SHUTDOWNS /RELUCTIONS

  • BYRON *

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

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_.H o _ Date Iygg_ Hours Reason Method LER Numben System Componen buse & Corrective Action to Prrvent._Eecurrence 3 11/08/91 S 190.6 C l' BlR04 ended.

4 11/20/91 F 76.1 A- 1 CD Leak at drain tap connection with 30" CD Conuron header.

  • Sumrary *
      • s***********

TYPE Reason Method System & Co m nent F-Jorced 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 Eerent Report

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

(3750M/VS/5)

i L' 311WEJE00RTING.EWIBEMENTS._(UNIT 1) _ ior the_ rneath ML Hovember.,1991

1. Safety /Rollof valvo operations for Unit. One.

VAINES NO & TYPE PLA!>T DESCRII' TION PATE ACTUATED AC'lVATION CLHDITION Ol'. EVENT None

2. I.icensee generated changes to ODCM, None.
3. Indications of failed fuel.

Fuel Reliability Indicator No STA13LE power conditions during November, o

(3750M/VS/6) i

l Lil. L I C EN !i E C_IVEN T~ RE PORTti_i UN IT. 1 )

The following is a tabular swn. nary of all Licenneo I: vent itoports for flyrou Nuclear Power Station, Unit One, subinitted dut ing the repor t ing period, November 1 through November 30, 1991. This inf orwM ion 3s provided pursuant to the report able occurr ence reporting requit ements as set loith in 10CFR 50.73.

Occurrence Lice nsee._I4Yenkf!tl'QLLNwnbe t Date

Title:

of Occurrence 91-004 10-16-91 Inadver tant Safety Injection during itef ueling due to Personnel Error.91-005 10-27-91 Mode Change made with Contalmnent Spray System Incperable due to Pernonr.o1 Ertar.

(3750M/VS/7)

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11. Monthly _.Repor_t_for_Ilyton.ENIL2_.for_.theJaonut_oLNovemberl991 b__.humtnary_Qf DpcIAt1ng_fKp.cticnce_far_UniL_2 Unit came out of forced outage on November 7 and ran the test of the month

-in Mode 1. The power level varied due to load iollowing requirements.

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.(3750M/VS/8)-

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- L. _ OPERATING.DATILREEORT s

DOCKET NO.: 050-455 UNIT: Byron Two DATE: 12/08/91 COMPILTD DY: D. Ehle TELEPHONE: (815)234-5441 x2263 OPERATING STATUS.  ;

1. Reporting Periodt November, 1991. Gross Hours: 720

- 2.- Currently Authorized Power Level: 3411 (MWt) -l Design Electrical Rating: 1175 (MWe-grone)  !

Design Electrical Rating: 1120 (MWe-net.) l Max Dependable Capacity: 1105 (MWe-net) j

3. ' Power Level to Which Restricted (If Any): N/A 4.- Reasons for Restriction (If Any): j THIS MONTH YR TO DATE CUMULP.I'IVE *

- 5. Report Period Hrs. 720 8,016 T/,513

6. Rx Cr]tical Hours 572.4 7,758- 32,490.1
7. Rx Reserve Shutdown'Houra 0 0 -0
8. Ilours Generator on Lino 561.6 7.746.5 32,031.1
9. Unit Reserve Shutdown Hours 0 0 0 ,
10. Gross Thermal Energy-(MWH). 1,000,203 24,751,957 89,063,349
11. Gross Elec. Energy (MWH) 609,693 8 385,328 30,123,4?3
12. Het Elec.. Energy (MWH) -573,852 7,977,172 16,381,501 -
13. Reactor Service Factor 79.50 96.78- 80.63.

14- . Reactor Availability Factor 79.50 96.78 86.61 15.. Unit Service Factor 78.0 96.64 -85.39

'16. Unit Availability Factor 78.0 96.64 85.'39

- 17. Unit' Capacity Factor-(MDC. net) 72.13 90.06 68.47

18. Unit _ Capacity Factor-(DLR net) 71.16 88.85 67.55
19. Uni't Forced Outage Hrs. -158.4 269.5- 1155.9

, . 20. Unit: forced Outage Rate _ 22.0 3J36 3.48:

.21. Shutdowns Scheduled Over Next 6 Months: Unit.2 third _ refuel outage.

22. If Shutdown at End of Report Period, Estlmated Date of Startup:
23. Units in Test'Gtatus (Prior to Commercial Operation): Nono

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

(3750M/VS/9).

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L AVEBAGLDALLLilli1T.,l'0HEILLEVEL DOCKET NC.: 050-455 UNIT: Byron Two DATU: 12/08/91 i C(HPILED DY: D. Ehle l TELEPi10N E ' (815)234-5441 l x2263 -

MONTH: November, 1991 j i

DAY -AVERAGE DAILY POWER LEV 5L

.(MWe-Net)

1. . _.dQ._HW 16 . _. --__ _103L MW_ '
2. -25 MW 17. __10iLitd l
3. _ -27 tiW _ 1 8 . . _ __ __. . . 103LNH l
4. -2.9_MW 19. - _._10ALMM I
5. -32 MW ,. 20. _ 10.)f_tR, _ . _ . ,
6. _,,._-15_NW 21. . 1023__MW l

~7.. 86 MW 22. __ 1010 lhi ,

D. . __ _ _ _ .. _10D LMW . 23. _ . . . .- _10 2 LIM ]

9. 1093._111 24. ., 10.41_l@L
10. 1097 MW_. , _ _ .. _ 25. . ._

__,.3 05L1ri _

11, 1096 14W 26. 107 6 M'i

12. -1096 MW- 27. - 1Q4 9_1R _

u 13. loff._tE 28. _ IQ11.Mt'

-14. _,_ 1063 MW 29. 936 MW

15. 1Q8LMW- _ ,_ 30. __ 9tLLtM._ _

3 1. _ _ _.. _ FM - -.

@ INSTRUCTICHS

' On this . form list the average daily unit power level in HWe-Net for each day-in the reporting month. - Compute- to the; nearest whole megawatt. These figuros will be used to plot a graph for each-reporting month. Mote that when maximum

' dependable capacity;1s used for the net electr' cal rating of the unit there may be occasions when the daily average power evel exceeds the 100% line (or the restricted power level line.) In suel. cases the average-daily unit power output sheet should be footnoted to explain the apparent anomaly.

(3750M/vs/10)

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1. flatety/ Relief valve operations foi tinit Two.

VnLVES NO (. TYPE PLA!17 DESCRIPT101 UATE AC7WXED ACRIA71W CONDITIW CLIVIHT

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2. Licensee generated changes to ODCH.

None.

3. Indications of' failed' fuel. -

Yes fuel Reliability Indicator FRI r 1.6E-4 hcl /cc ,

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fl._.L I C CH S E ElVDR.lEl'ORIS..I UN I L2]

The following is a tabular summary of all L.4censee 1: vent repot ts f or

- Dyron Nuclear Powet St.ation, Unit Two, subenitted duilng the reporting period, Novernber 1 through November 30, 1991. This infoninot ton la provided pursuant to tio reportable occurrence repotting teguisements as not forth in 10CFR $0.73.

Occurrence License!LEvenLRepotLHumher Date 11tle_oL0tsunence 91-003 10 27-91 Excensive RCS leakage due to a Valve Packing Leak.91-004 10-30-91 Train li roedwater Isolation Signal Actuation due to Logic Card F' allure.

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(3750M/VS/13)- 1

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