ML20102A646
| ML20102A646 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 06/30/1992 |
| From: | Ehle D, Pleniewicz R COMMONWEALTH EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| BYRON-92-0487, BYRON-92-487, NUDOCS 9207270171 | |
| Download: ML20102A646 (14) | |
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'N Commonw:alth Edison
/ Byron NuclearSt: tion
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) 4450 North G:rm n Church Road -
\\ j Byron, Illinois 61010 July 10, 1992 3
LTR:
BYRON 92-0487 FILE:
2.7.200 Director, Office of Management Information and Program Control United States Nuclear Regulatory Commission Washington, D.C.
20555 ATTN:
Document Control Desk Gentlemen Enclosed for your information is the Monthly Performance Report covering Byron Nuclear Power Station for the period June 1 through Jur.e 30, 1992, i
Sincerely,
~
k R. Pleniewicz Station Manager i
Dyron Nuclear Power Station RP/DE/ph cc A.L.
Davis, NRC, Region III NRC tiesident Inspector Byron Ill. Dept., of Nuclear Safety M.
J. Wallace/E. D. Eenigenburg Nuclear Licensing Manager ~
Nuclear Fuel Servicen,.PWR Plant Support-D. R. Eggett, Statloa Nuclear-Engineering INPO Recordo Center A. Hsia - USNRC-Utility Data Institute, _Inc.
F. Yost 9207270171 920630 PDR ADOCK 05000454-R PDR V g (3767M/VS)
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BYRON NUCLEAR POWER-STATION UNIT 1 AND UNIT 2 l
- F MONTHLY PERFORMANCh ~ REPORT' COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454.
NRC DOCKET NO.' 050-455-
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LICENSE NO.~NPF-37 LICENSE NO. NPF-66 t
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Monthly _.Rt2a ri_far_Dy2 on_UNII_l_ lor _._themontitoLJsned 931 A." Summary of Operating _Japdgnce for Unit _1_
The Unit began this reporting period In Modo 1 (Power Operations). The power level varied due to load following requirements.
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OPERATING DAL _RrJORT JOCKET NO.
050-454 UNIT:
Byron One DATE:
07/10/92 COMPILED BY:
D. Ehle TELEPHONE:
(815)234-5441 x2263
)
OPERATING STATUS 1
Reporting Period: June, 1992.
Gross Hours 720 2.
Currently Authorized Power Level
$111 (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):~None r
4.
Reasons for Restriction (If Any): N/A THIS MOtml YR TO DATE CUMULATIVE
- 5.
Report Period Hrs.
720 4367 59,520
?.
Rx Critical Hours-720 4314.4 49,241.3 7.
Rx Reserve Shutdown Hours 0
0 38 8.
Hours Generator on Line 720 4306.1 48,610 9.
Unit Reserve Shutdown Hours
-0 0
0
- 10. Gross Thermal Energy-(MWH) 2,261,070 13,720,639
.146,524,219
- 11. Gross Elec. Energy (MWH) 760,697 4,636,128 49,409,377 l
- 12. Het Elec. Energy (HWH) 734,207 4,443,731 46,663,228
- 13. Reactor Service Factor 100:
98.80 82.73
- 14. Reactor Availability Factor
'100-98.80 82.79 15.' Unit Service Factor
- 100
- 98. 61J 81.67
- 16. Unit Availability Factorf 100 98.61 81.67:
- 17. Unit Capacitj Factor (MDC net) 92.28 92.09 70.95
- 18. Unit Capacity-Factor (DER net)
-91.05 90.85 70.00 l
- 19. Unit Forced Outage Hrs.
0-60.9 1,403.4
- 20. Unit Forced Outage Rate 0
1.19 2.81
- 21. Shutdowns Scheduled Over Next 6 Months: N/A
- 22. If Shutdown at'End of Report Periodi Estimated Date of Startup N/A
- 23. Units in Test Status (Prior to Commercial Operation): None
- Note - The cumulhtive numbers do not reflect power-generated prior to commercial service.-
(3767M/VS/3) h n
C... AVERAGLAAILLIMIT POWEL.LEYEL i --
DOCKET NO. - 050-454 UNITal Byron One-DATE:
0'//10/92
. j COMPILED BY:
D. Ehle TELEPHONE:. (815)234-5441
' j 4
.x2263 i
MONTH:
June, 1992 4
Y PAY AVERAGE DAILY POWER LEVEL (MWe-Net) 3.
1091 MW 16.
1081 MW..
i 1
2.
LQ92 MW 17.
1092 MW 3.
193 8 MW
.18.
11.02._MW l
4.
1057 MW-
- 19. _
1989 MW i
5.
_101.6 MW 20.
8 95_Hii_._..
k 6,
863 MW
-23.
6 81 MW 7.
1026 MW 22.
952 MW 8.
980 MW 23.
1091 MW' 9.
104' MW 24.
1064 Mk 1
10.
11.
1087 MW 2 6',
1067 MW a
12.
1057 MW 27.
_967 MW i
13.
913 MW 2 8. _
925 MW-14.
1017 MW 2 9. -
972 MW j -
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 will be used to plot a graph for each reporting month. Note that when maximum dependable capacitJ 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 res::ricted power level line. )-
In such cases the average daily unit power output cheet should be footnoted to explain the apparent anomaly.
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Report Period June, 1992 UNIT SHUTDOWNS / REDUCTIONS BYRON (UNIT 1)
Iypt linnr.s Reason Method 5ER Number System CorrugAgat Cause & Corrective Action to Prevent Recurrence Nc.
Date 7
5/5 S
19 H
5 CW Reduced Load to Clean CW Travelling Screens o
8 6/20 F
5 Reduced Load per SPSG ee********.***e Summary s
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TYPE Re.aagn 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 U-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-Ol61) 4 (3767M/VS/S)
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Ec._IINIQULREPORTING REQQLREME1[TS.'(U#dLinI_the ingnth of JUlillSS) i 4
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Safety / Relief valve operations for Unit One.
VALVES NO & TYPE-
' PLANT DESCRIPTION 2
DATE ACTuhTED ACTUATIQi CGIDlIl01 QE 1YENT t
1 i
None l'
l 3
2.
Licensee generated _ changes-to ODCM.
NONE 1-3.
Indications of failed fuel ~
4 4
1-Fuel Reliability Indicator I
Yes.FRI:
4.2E-3 pC1/cc 4
10CFR50.46 Reporting Requirements:. Peak Clad.t.emperature- (PCT) changes rese.1 ting f rom-change or' errors to the ECCS evaluation model.
-Current Ilcensing basis' PCT plus margin allocation ('F)
Larg L HLenk_LOCA SmalLar3ALLQCA l
2051.3 1510.1 l
Explain differences from. previous report None 4
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L LICQSEE EVENI.RDRTS (UNIT L).
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The f'ollowing is a tabular summary of all Licensee-Event. Reports.for Byron Nuclear Power Station, Unit One,-- submitted during the reporting period,
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j June-1 through June'30, 1992.
This information'is provided pursuant;to the j.
reportable occurrence reporting-requiremer.ts as set forth-in 10CFR 50.73.
1 Occurrence Idcnnace_2rentresort Numdet nate 2ttia.o t.acruttence NWE i
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II. Manthly_ Rep. ort totEyron_ UNIT,2_ Lor the month of Junt_1]L92 AS_ Hwmary_oLQpexatinst_ExperisaceloLUnit_2 Unit'Two was forced down twice during the month of. June. 'The first time was on. June 10th for approximately 16 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br /> because FW Reg. Valve 2rW530 falltd. - The seccaG titta was on June 12th for approximately 71 hours8.217593e-4 days <br />0.0197 hours <br />1.173942e-4 weeks <br />2.70155e-5 months <br /> due to a C loop FW flow problem.
Repairs were made to check valve 2rWO79C. The unit was back on line June 15th and ran the rest of the month, i
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DuR1'IRATIRG_DAIA_ REPORT DOCKET NO.
050-455 UNIT:
Byron Two DATES. 07/10/92 COMFILED BY D. Ehle TELEPHONE:
(815)234-5441-x2263 OPERATING STATUS 1.
Reporting Period:
June, 1992.
Gross Hours:
720 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):
THIS MONTH YR TO DATE CUMULATIVE
- 5.
Report Period Hrs.
720 4367 42,624 l
6.
Rx Critical Hours 643.7-2847.9 36,082 7.
Rx Reserve Shutdown Hours O
C-O.
8.
Hours Generator on Line 631.9 2790.3 35,565.4 9.
Unit Reserve Shutdown Hcurs 0
0 0
- 10. Gross Thermal Energy (HWH) 1,914,673 8,036,689 99,555,409
- 11. Gross Elec. Energy (MIfH) 655,429 2,739,178 33,695,947
- 12. Net Elec. Energy (MWH) 633,700 2,604,636 31,781,644
- 13. Reactor Service Factor 89.40 t5.21 84.65
- 14. Reactor Availability Factor 89.40 65.21' 84.65
- 15. Unit Service Factor 87.76 63.90 83.44-l
- 16. Unit Availability Factor 87.76 63.90 83.44.
- 17. Unit Capacity Factor-(MDC net) 79.65_
.53.98 67.48 j
- 18. Unit Capacity Factor (DER net) 78.58 53.25 66.57
- 19. Unit Forced Outage Hrs.
.88.1 88.1.
1244
- 20. Unit Forced Outage Rate 12.24 3.06 3.38
- 21. Shutdowns Scheduled Over Next 6 Months: NONE
- 22. If Shutdown at End of Report Period,. Estimated Date of Startup:'NONE
- 23. Units in Test Status.(Prior to Commercial-Operation):' None
- Note - The cumulative numbers do not' reflect power.
generated prior to commercial service.
(3767M/VS/9) i
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AVDAGE.DMLY_llNIT_IDWIE..LEYEL '
DOCKET NO.:
050-455-
-UNIT Dyron Two-DATE:
07/10/92 CCt4 PILED BY:
D. Ehle TELEPHONE:
(815)234-$441-x2263
)
MONTH: June, 1992 DAY AVERAGE DAILY POWER LEVEL (MWe -!*e t )
1.
11QQ MN 16.
IQig_MW
-2.
1Q68 MW 18.
'1095 MW 4.
1057 MW 19. _.
1077 MW 5.
1087 MW 21.
1027 MW 7.
1D14_MW 22, 105R_hM.
C.
1068'MW 2 3. -
1090 MW 9,
1068 MW
- 24. _
999 MW 11.
143 MW 26.
~1019 MW 12, 60 MW 27, 955 MW 13.
-14 MW 2 8. -
717-MW-14.
-14 MW 29.
1115 MW 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 f igu re s.-
will be used to-plot a graph for each reporting month. Note that when maximum-4 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% 11ne (or the restricted power level _line.). In such cases the average dailly-unit i
power output sheet should be footnoted to explain the apparent anomaly.
(3767M/VS/10)
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Report Period June, 1992 UNIT SHUTDOWNS / REDUCTIONS BYRON (UNIT 2)
No.
___Q.itta.__ Typft limits Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence 2
6/10 F
16:38 A
2 FW Reg. Valve FW Reg. Valve (2FW350) failed closed (B2Fil) 3 6/12 F
71:24 A
i FW Check Valv.'
C Loop flow problem shutdown to repair 2FWO79C (B2F12) eece.**********
Summary eeee***********
TYPE Reason Method system & Comrgtnent 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)
(3767M/VS/11)
L _._UNIQMC_REEORTING REQUIREMENIL.11RllT_ 2 ) for' the_ month _oLAunn_l292 1.
Safety / Relief valve operations for Unit Two.
j VALVES NO & TYPE PLANT DESCRIPTICH DATE ACIMATED ACTUATION CQHDITION-LQE_EEENT 1
None 2.
Licensee generated changes to ODCM.
NONE 3.
Indications of failed fuel.
No.
Fuol Reliability Irdicator
.FRI = 5.0E-5 pC1/CC 4.
10CFR50.46 Repcrting Requirements:
Peak CJod-temperature'-(PCT) changes resulting from changes or errers to'the ECCS evaluations model.
Current Ticensing basis PCT plus major allocations (*F)
LaL92_BIAnk LOCA Small Braak_LQCA 2064.1 1510.1 Explain differences from previous reports None l
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L___LI.CMSIE_IYrltT_REEORIS _lUllIT 2.1 The ibilowing is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit Two, submitted during the reporting period, June 1, 1992 through June 30i 1992. This information is provided pursuant to the reportable occurr,nce reporting requirements-as set forth in 10CFR 50.73.
Lictnset_JYant_Etr2It._Numhti Oscurianct_Date-Title _oLSccurIante 455:
92-003 6-10-92 Manual Reactor trip due 6.o feedwater Regulating Valve 45bs92-004 6-14-92 Reactor Trip due to Lightning causing spike on source range.
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