ML20079C214
| ML20079C214 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 05/31/1991 |
| From: | Ehle D, Pleniewicz R COMMONWEALTH EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| BYRON-91-0411, BYRON-91-411, NUDOCS 9106190074 | |
| Download: ML20079C214 (14) | |
Text
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C:mm:nw:alth Edison Byron Nuclear Station kO*
4450 North German Church Road Byron. Illinois 61010 June 10, 1991 LTR BYRON 91-0411 FILE:
2.7.200 Diret'or, Office of Management Information and Pro] ram Control United States Nuclear Regulatory Commission Washington, D.C.
20555 ATTH:
Document Control Desk Gentlemen Enclosed for your information is the Monthly Performance Report covering Byron Nuclear Power Station for the period May 1 through May 31, 1991.
Sincerely, M
R. Plenlewics Station Manager Byron Nuclear Power Station 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 Nuclear fuel Services, PWR Plant Support D.
R. Eggett, Station Nuclear Engineering t
INPO Records Center A.
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BYROli HUCLEAR POWER STATION UNIT 1 AND Ut11T 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. HPF-37 LICENSE NO. NPF-66 (0625M/0062M/1)
1 4
I.
HQRthly_ Report for Byron UNIT 1 for th0_ month of May E l A.
Summary _pf,ypggg gg y p,g,g The unit began this reporting period in Mode 1 (Power Operation) and remained there all month. The power level varied due to load following requirements.
I i
- (0625M/0062M/2) l i-
7
'. o lb _DPIRAT111LDATA_.RIERRT DOCKET NO.a 050-454 UNIT:
Byron One DATE:
06/10/91 COMPILED BY:
D. Ehle TELEP110NE:
(815)234 5441 x2263 OPERATING STATUS 1.
Reporting Period May, 1991.
Gross Hours:
744 2.
Currently Authorized Power Level 3411 (MWt)
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):
Ti!IS MONTH YR TO DATE CUMULATIVE
- 5.
Report Period llrs.
744 3,623 50,016 6.
Rx Critical Hours 744 3,623 41,307.2 7.
Rx Reserve Shutdown 11ours 0
0 38 8.
Hours Generator on Line 744 3,623 40,778.6 9.
Unit Reserve Shutdown Hours 0
0 0
- 10. Gross Thermal Energy (MWil) 2,517,536 11,857,186 124,729,790
- 11. Gross Elec. Energy (MWH) 850,736 4,020,482 42,101,562
- 12. Net Elec. Energy (MWil) 809,682 3,823,679 39,735,944
- 13. Reactor Service Factor 100 100 82.6
- 14. Reactor Availability Factor 100 100 82.7
- 15. Unit Service Factor 100 100 81.5
- 16. Unit Availability Factor 100 100 81.5
- 17. Unit Capacity Factor (MDC net) 98.5 95.5 71.9
- 18. Unit Capacity Factor (DER net) 97.2 94.2 70.9
- 19. Unit Forced Outage Hrs.
0 0
1,266.4
- 20. Unit Forced Outage Rate 0
0 3.0
- 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)=
l
- - - - -. =... ~
~
4 C._._ AVE RAG E_D AILLUli1LPDN CILLEVEL DOCKET NO.
050-454 UNIT:
Byron One DATE:
06/10/91
+
COMPILED BY:
D. Ehle TELEPHONE :
(815)234-5441 i
x2263 MONTH: May, 1991 DAY AVERAGE DAILY POWER LEVEL (IMe-Ne t )
+
1.
1Qs2 MW 16.
1QB2 MW 2,
1006 MW 17.
1051 MW 3.
1108 MW 19.
11DS_RW 5.
1104 MW 20.
1098 MW i
6.
1109 MW 21.
1Q21.,BW 7.
1109 MW 22.
1026 ffd 8.
1097 MW 23.
1Df6 MW y
9, 1091 MW 24.
1087 MW 10.
1095 MW 25.
1087 MW 11.
1089 MW 26.
1084 MW 13.
1084 MW 28.
1074 MW 14.
1087 MW' 29.
1072_MW 15.
1988_MW 30, 1068 MW 31.
1059 MW r
l INSTRUCTIONS On this form list the average daily unit power level in MWe-Net for each day in the reporting month.
Compute to the nearest whole megawatt. These figures l
will be used to plot a graph for each reporting month. Note that when maximum L
dependable capacity is'used for the not 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.
(0625M/0062M/4) i L.., _... _
.-.a.-
Report Period May, 1991 UNIT SHUTDOWNS / REDUCTIONS BYRON (UNIT 1)
No.
Date Tygq_ Hours Reasqn Methnd LER Number System Comoonent Cause & Corrective Action to Prevent Recurrence No shutdowns or major reductions for Unit 1 in May.
Summary TYPE Reas.gn Method System &_ Component i
F-Forced A-Equip Failure F-Admin 1-Manual
. Exhibit F & E 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 i
E-Operator Training 5-Reduced Load Licensee Event Report
& License Examination 9-Other (LER) File (NUREG-0161) i i
i i
1 (0625M/0062M/5) i
)
4 E U RIOUE REPOR11HG REOUIREMENTS (UNIT 1) for the mmtth of May 1991 1.
Safety / Relief valve operations for Unit One.
VALVES NO & TYPE PLANT DESCRIPTION DATE ACIUATED ACIUAIIDH C0 tid.IT10ti Of_.1VEII None 2.
Licensee generated changes to ODCM.
(Y/li)
None i
3.
Indications of failed fuel.
(Y/N)
No Fuel Rellability_ Indicator FRI = 1.2E-4 pC1/cc l'
1 (0625M/0062M/6) y e
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,s E __ LICENSER _EVEIC_.REPORTEJUtUL1)
The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, submitted during the reporting period, May 1 through May 3b 1991.
This information is provided pursuant to the reporteble occurrence reporting requiremeats as set forth in 10CTR 50.73.
Occurrence LiceR512_Elent_RepMLliumbel Date Iltle_af_QCs.urre nce 91-002 05-05-91 ESF Actuation due to lightning strike on 345 KV transmission lines.
(0625M/0062M/7)
=
4 II. Monthly _Bepo1Lio r_DyIon.UNIL2_ f oI_1he__ month _oLMay_1991 A.
S umm ar y_oLQp eint ing_E2 pe11nn te_.loI_Un11_2 The unit began this reporting period in Mode 1 (Power Operation) and continued there all rnonth. The power level varied due to load following rcquirements.
(0625M/0062M/8)
B.
OPERATIRC DATA REPORT DOCKET NO.
050-455 UNIT: Byron Two DATE:
06/10/91 COMPILED BY:
D. Ehle TELEPHONE:
(815)234-5441 x2263 OPERATING STATUS 1.
Reporting Period: May, 1991.
Groso Hours:
744 2.
Currently Authorized Power Level 3411 (MWt)
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):
1 THIS MONTH YR TO DATE CUMULATIVE
- 5.
Roport Period Hrs.
744 3,623 33,120 6.
Rx Critical Hours 744 3,623 28,355.1
'7.
Rx Reserve Shutdown Hours 0
0 0
8.
Hours Generator on Line 744 3,623 27,907.6 9.
Unit Reserve Shutdown Hours 0
0 0
- 10. Gross Thermal Energy (HWH) 2,374,353 7,600,307 76,110,499
- 11. Gross Elec. Energy (MWH) 804,410 4,022,509 25,760,604 12.. Net Elec. Energy (MWH) 764,762 3,826,955 24,231,284
- 13. Reactor Service Factor 100 100 85.6
- 14. Reactor Availability Factor 100 100 85.6
- 15. Unit Service Factor 100 100 84.3
- 16. Unit Availability Factor 100 100 84.3
- 17. Unit Capacity Factor (MDC net) 93.0 95.6 66.2
- 18. Unit Capacity Factor (DER net) 91.8 94.3 65.3
- 19. Unit Forced Outage Hrs.
0 0
886.4
- 20. Unit Forced Outage Rate 0
0 3.1
- 21. Shutdowns Scheduled Over Next 6 Months: None
- 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/9)
e CuAVERAGE_DALLX_UH11_ PRE!LLIVIL DOCKET NO.:
050-455 UNIT:
Byron Two DATE:
06/10/91 COMPILED BY:
D. Ehle TELEPilONE:
(815)234-5441 x2263 MONTH:
May, 1991 DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 1.
1051 MW 16.
1064 MW 2.
1019_MW 17.
109_i_MW 3.
1044 MW 18.
954 MW, 4.
1063 MW 19.
951_MW S.
9.96 MW 20.
1092_HN f,
1064 MW 21.
10ji!1 MW 7.
103.1 MW 22.
1019 E
)
8.
9.
1Q02 MW 24.
LQ11_MW 10.
1Q23_FM 25, 858 MW 11.
1019 MW 26.
_919 MW 12.
LQ19_MN 27.
10&B MW 14.
1061 MW 29.
103L MW 15.
1090 MW 30.
INSTRUCTIONS 1
l On this form list the average daily unit power level in MWe-Net for each day in the reporting month.
Compute to the nearest whole megawatt.
These figures l
will be used to plot a graph for each reporting month. Note that when maximum l
dependable capacity is used for the net electrical rating of the unit there mcy 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 sh:
be footnoted to explain the apparent anomaly.
(0625M/0062M/10) i 1
l Report Period May, 1991 UNIT SHUTDOWNS / REDUCTIONS BYRON (UNIT 2) h linnrs Etanga Method LER Number System Component Cause & Corrective Action to Prevent Recurrence JL Date No Shutdowns or Major Reductions in May 1
i l
l l
l i
- me***********
Summary TYPE Rgason Methed 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 -Othe r (LER) File (NUREG-0151)
I (0625M/0062M/11)
E s._UN IQUE_R EPORTitlG_REQU.I EEM EHIS_lU111TlLIRIlhe_mu n tito LH ayl191 1.
Safety / Relief valve operations for Unit Two.
VALVES NO & TYPE PLANT DESCRIPTIO!1 DATE ACTUATED ACTUAIlDH COH21210H OLIVIt1I None 2.
Licensee generated changes to ODCM.
(Y/H)
None 3.
Indications of failed fuel.
(Y/N) 4.4E-4 HCi/cc Yes Fuel Reliability Indicator:
FRI e (06254/0062M/12)
s
.e f2__LICEllSILlVEliLEEEORTE_IU111T_11 The following is a tabular summary of all Licensee Event Reports for Dyron Nuclear Power Station, Unit Two, submitted during the reporting period, May 1 through May 31, 1991.
This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.
Occurrence Licensee _E_venL EepoLLMwnbe.t Date Ti.tl e_I ', Dccurrence None L
(0J25M/0062M/13)