ML20077P967
| ML20077P967 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 07/31/1991 |
| From: | Ehle D, Pleniewicz R COMMONWEALTH EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| BYRON-91-0580, BYRON-91-580, NUDOCS 9108200151 | |
| Download: ML20077P967 (14) | |
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Byron Nuclear Station C'
4450 North German Church Road Byron, Illinois 61010 i
August 12, 1991 l
LTR BYRON 91-0580 FILE:
2.7.200
[
Director, Office of Management Information and Program Control i
United States Nuclear Regulatory Commission Washington, D.C.
20555 ATTN Document Control Desk 1
i Gentlemen
~
Enclosed for your information is the Monthly Performance Roport covering Byron Nuclear Power Station for the period July 1 through July 31, 1991.
i Sincerely, i
i R.
Plenlewicz
/
Station Manager [
Byron Nuclear Power Station 1
RP/DE/mw (0625M/0062M) cc:
A.B.
Davis, NRC, Region III NRC Resident Inspector Byron Ill. Dept. of Nuclear Safety M.
J. Wallace/K. L.
Graesser Nuclear Licensing' Manager i
Nuclear Fuel Services, PWR Plant Support i
D.
R.
Eggett, Station Nuclear Engineering INPO Records Center t
i A. Hsia - USNRC F. Yost - Utility Data Institute, Inc.
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p BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERPORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 LICENSE NO. NPF-66 r
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(0625M/0062M/1)
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Mo.nthly._Emport for__ Byron _11 HIT 1 for_theJnonth_JaLhly_1931 Au Sumrnary._D.LDPeIAting_ExpeI.lence_fo.r_llnit_1 The unit is continuing coastdown for scheduled refueling outage.
(0625M/0062M/2)
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IL 0f5RA21HG_ DATA.lEEDAT :
~ 050-454 DOCKET NO.:
_ Byron One UNIT DATE:
08/12/91 COMPILED BY:
D. Ehle TELEPHONE :
(815)234-5441 x2263 OPERATING STATUS 1.
Reporting Period:
July, 1991.
Gross Hours:
744 2.
Currently Authorized Power Levelt 3411 (MWt)
Design Electrical Rating: 1175 (MWe-gross)
Design Electrical Rating: 1120 (MWe-net)
Max Dependable Capacity: 1105 (MWe-not) 3.
Power Level to Which Restricted (If Any): N/A 4.
Reasons for Restriction (If Any):
THIS MONTH Yo TO DATE CUMULATIVE
- 5.
Report Period Hrs.
744 a,087
.51,480 6.
Rx Critical Hours 744 5,087 42,771.2 7.
Rx Reserve Shutdown Hours 0
0 38 I
8.
Hours Generator on Line 744 5,087 42,242.6 9.
Unit Reserve Shutdown Hours 0
0 0
- 10. Gross Thermal Energy (MWH) 1,466,198 15,331,061 128,203,665 11.-Gross Elec. Energy (MWH) 486,595 5,186,657 43,267,737-
- 12. Net Elec. Energy (MWH) 453,329 4,920,487 40,832,752
- 13. Reactor Service Factor 100 100 83.1
- 14. Reactor Availability Factor 100-100 83.2
- 15. Unit Service Factor 100 100 82.1 16.-Unit Availability Factor 100 100 82.1
- 17. Unit Capacity Factor-(MDC net)-
55.1 87.5 71.8 18.LUnit Capacity Factor (DER net) 54.4 86.4 70.8
- 19. Unit Forced Outage Hrs.
0 0
1,266.4
- 20. Unit Forced Outage Rate 0
0 2.9
- 21. Shutdowns Scheduled Over Next 6 Months: Unit 1 fourth refuel outage.
22._If-Shutdown at End of Report Period, Estimated Date of Startup:
'23. Units in Test Status (Prior to Commercial Operation): None
- Note - The cumulative numbers do not reflect power generated prior to commercial service.
(0625M/0062M/3)
.. ~ _. _,
t CuAVERAGE_DAILI UNIX.fDHER.LEYEL i
DOCKET NO.:
050-954 UNIT:
Dyron.One DATE:
08/12/91 j
COMPILED BY:
D. Ehle TELEPHONE:
(815)234-5441
[
x2263 i
i MONTH: July, 1991 f
f DAY AVERAGE DAILY POWER LEVEL i'
(MWe-Net) i.
1.
737_MW 3b.
6DJ E.
2.
739 MW 17.
591 MW
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3.
7.31.EM.
18.
SAL E I
I 4,
731 MW 19, 553_1M i
5.
702_MW 20, SSS E I
i; 6.
686 MW 21.
551_liW i
7.
681 MW 22.
Si2 E I
(
8.
680.MW.
23.
54.b..}iM i
[
9.
647 MW 24.
541_MW J
I 5
10.
663.MW 25, 513_J1W j
t 11.
651 MW 26.
13J MW f
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- 12.
637 MW 27.
517 MW
\\
i 13.
634 MW.
28.
SlLMW
[
t 14, 623.MW 29.
509 MW
\\
15.
616_.MW 30.
499 E 31.
479 MW i
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INSTRUCTIONS i
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. On this form list the average daily unit power level in MWe-Net for each day j
in the reporting month.
Compute to the nearest whole megawatt. These figures will be used to plot a graph for each reporting ti.onth.
Note..that when maximum
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dependable capacity is used for the net electrical rating of the unit there i
f 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 I
j power output sheet should be footnoted to explain the apparent anomaly.
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1 (0625M/0062M/4) t i
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Report Period July, 1991 UNIT SHUTDOWNS / REDUCTIONS-BYRON (UNIT 1) t I
Hours ErasQn Method 5ER Number System Comnonent Cause & Corrective Action to Prevent Recurrenca.
I
_. No.
Date Tv7e No shutdowns or major reductions for Unit 1 in July.
Unit is still coasting down for scheduled refueling outage.
b Summary 7
(
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-0151) r i
(0625M/0052M/5)
E.
UNIOUE REPORT 2NG REOUIREMENTSJ UNIT li for theJDQatlL.0Lduly 1991 6
1.
Safety / Relief valve operations for Unit One.
VALVES NO & TYPE PLANT DESCRIPTION DATI AC1VATED ACTUATlDN COND1210N QI EVENT None 2.
Licensee generated changes to ODCH.
(Y/N)
None.
3.
Indications of failed fuel.
(Y/N)
No Fuel Reliability Indicator FRI = 1.1E-4 pCi/cc t
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F e
f (0625M/0062M/6)
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LtCENSE52Y31LLREP_0B'XS. (UttLT JLL r.
The following-1s a tabular cummary of.all Licensea Event Reports for Byron Nuclesar. Power Station, Unit One, submitted during th'e reporting period,.
g
' July l'through July 31, 1991. 'This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CTR 50.73.
Occurrence.
Li.cenacelvenLRagnr.t_Hmber.
L>ete 2111e cL0ccurrence None t
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(0625M/0062M/7)
.Vii1LLici.lbt montitoLhly._19.91
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I1. Eonthly_EcaotLlor :
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Swnmary_sL0 pea
.. Egerience_ tor __UntL2 The unit began this.
cing period in Mode 1 (Power Operation) and continued there all ni....tl.
The power level varied due to-load following
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requirements.
(0625M/0062M/8)
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OPF:0,ATING DATA REPQRT
' 050-455 DOCKET NO.
UNIT Byron Two DATES- 08/12/91 COMPILED BY:
D. Ehle TELEPHONE:
(815)234-5441 x2263 OPERATING STATUS 1.
Reporting Period:
July, 1991.
Gross Hours:
744 2.
Currently Authorized Power Level: 3411 (MWt)
Design. Electrical Rating: 1175 (MWe-gross)
Design Electrical Ratings 1120 (MWe-net)
Max Dependt4ble 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 Hrs.
744 5,087 34,584 6.
Rx Critical Hours 744 5,087 29,819.1 7.
Rx Reserve Shutdown Hours 0
0 0
8.
Hours Generator on Line 744 5,087 29,371.6 9.
Unit Reserve Shutdown Hours 0
0 0
- 10. Gross Thermal Energy (MWH) 2,303,117 16,294,392 80,605,784
- 11. Gross Elec. Energy (MWH) 774,662 5,535,880 27,273,975
- 12. Net Elec. Energy (MWH) 734,488 5,262,913 25,667,242
.13.-Reactor Service Factor 100 100 86.2 14 Reactor Availability Factor 100 100 86.2 15, Unit Service Factor 100 100 84.9
- 16. Unit Availability Factor 100 100 84.9 117. Unit Capacity Factor (MDC net) 89.3 93.6 67.2 l
18.= Unit Capacity' Factor (DER net) 88.1-92.4 66.3
.19. Unit Forced Outage Hrs.
0 0
-886.4 l
- 20. Unit Forced Outage Rate 0
0 2.9 j.
- 21. Shutdowns Scheduled Over_.Next 6 Months: None
- 22. If Shutdown at End of-Report Perloo, Estimated Date of Startup
[
- 23. Units in Test Status (Prior to Commercial Operation): None
- Note -- The cumulative. numbers do not reflect power generated prior to commercial service.
l' (0625M/0062M/9)
C.u_ AVERAGE _DAILLWII.lWEILLEVEL DOCKET NO.
050-455 UNIT:
Dyron Two DATE:
08/12/91 COMI'ILED BY:
D. Ehle TELEP!KRiE (815)234-5441 x2263 MONTH:
July, 1991 DAY AVERAGE DAIL' POWER LEVEL (MWe-Net) 1.
976 MW 16.
99,L_FM 2.
1051_MW 17.
__J Qh7J1W 3.
10lLMW
- 18. _. _
101J13fi 4.
_._10.B_MM__
19.
.___.__1010JM ____ _ _ _ _
5.
9.59JiW 20.
___ ___l 0 A L MM __.__ ____
6.
_99LMW 21.
94 fLMW ___ ___
7.
.__9 5 0_ FM ___.
22.
__ _ _._ __ _.. _ _._ _9 8 2 _ MW.. _, _. _, _. _
8.
1GQ.BJM_
23.
la0R_IN 9.
99LMM 24.
_9]hjM 10, 963JM 25.
939JM_
al. _
100LlM_
- 26. ___
.___.9 0 L FM 12.
93A_MW
- 27. __
_910_bM_ _ __ _ _ ____
13.
91LQJfd 28.
9]_4j9 14.
910_1M 29.
JQiLFM 15.
982 MW 30.
986 LiW 31.
10 0 0Jfd_____ _.._..___._
INSTRUCTIONS On this form list the average daily unit power level in MWe-Net for each day in the reporting month.
Compute to the nearm t whole megawatt.
These figures will be used to plot a graph for each ref.orting month.
Note that when maximum dependable capacity is used for the net electrjc*1 rating of the unit there may be occasions when the daily average power level excerds the 100% line (or the restricted power level line.)
In such cc:
t he average daily unit.
power output cheet should be footnoted to expla'n *%
apparant anomaly, (0625M/0062M/10)
- w***********************
Report Period July, 1991 UNIT SHUTDOWNS / REDUCTIONS BYRON (UNIT 2)
_Hou Datt Tvoe H0_ar_s Reason Method LER Number System Compogggt Caq[e&CorrectiveActiontoPreventRecurrence i
2 07/03/91 F
5 Reduced Load per SPSO.
i t
I f
1 l
Summary
-I TYPE Reason Method System & Cornonent t
F-Forced A-Equip Failure F-Admin 1-Manual Exhibit E & H 4
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) i 4
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J (0625M/0062M/ll)
]
-o UNITE REPORTING REOUIREMZ2[TS (UNI W or the mont,h_g U gly J jl E.
1.
Safety / Relief valve operations for Unit Two.
VALVES NO & TYPE PLANT DESCRIPTION DAIE ACI11AIID AC1VAIIDH CQtID1IIDtl OF EVENI None 2.
Licensee generated changes to ODCH.
(Y/N)
None.
3.
Indications of failed fuel.
(Y/N)
Yes fuel Rollability Indicator FRI =
5.3E-4 pC1/cc (0625M/0062M/12)
L__.LICEliSEE_IVEllLREE9RTS - (UNXT 21 The following is a tabular-summary of all Licensee Event Reports for Byron Nuclear Power.Statien, Unit Two,-submitted during the reporting period,.
July 1 through July 30,-1991.
This information is provided. pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.
Occurrence Licensee,_Eyent_Repsti_Rwnbst Datst Title _oL0ccurrence
.None d
i i=
l.
l -.
I l-(0625M/0062M/13)
__