ML20140D751

From kanterella
Jump to navigation Jump to search
Monthly Operating Repts for Mar 1997 for Byron Nuclear Power Station,Units 1 & 2
ML20140D751
Person / Time
Site: Byron  Constellation icon.png
Issue date: 03/31/1997
From: Kofron K, Vogl J
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-97-0080, BYRON-97-80, NUDOCS 9704240102
Download: ML20140D751 (14)
v • d • e


Text

e Commonweahh Edison Company I

tr4. Ily ron Generating Station 4450 North German Church 1(oad Ilyron. iL 610ln9794 Tel 815-231-5441 April 10, 1997 LTR: BYRON 97-0080 FILE: 2.7.200 F

U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 ATTENTION: Document Control Desk

SUBJECT:

Monthly Operating Report Byron Nuclear Power Station, Units 1 and 2 '

NRC Docket Numbers: 50: 454 and 455 .

Gentlemen:

Enclosed for your information is the Monthly Operating Report covering Byron Nuclear Power Station for the period March 1 through March 31, 1997.

Sincerely, n

K. L. Ko r Station M nager Byron Nuclear Power Station

/Y lf l KLK/JV/rp f}

je cc: A.B. Beach, Regional Administrator - RIII j G. Dick, Byron Project Manager - NRR I S. Burgess, Senior Resident Inspector - Byron I Office of Nuclear Safety - IDNS INPO Records Center F. Yost - Utility Data Institute, Inc.

I

~

9704240102 970331 PDR ADOCK 03000454' R PDR (p:\97byrltrs\970080wpf-1) ll ll 11

. ==c llll Illll e . .

ll A Onicom Company

's t opt:

.t.

Cy

  • BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2  ;

I MONTHLY PERFORMANCE REPORT 1

1

)

COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454 l

NRC DOCKET NO. 050-455 1 I

l l

LICENSE NO. NPF-37 l LICENSE NO. NPF-66 i

(p:\97byrltrs\970080wpf-2)

. p.  :

' O'$ I, Monthly Report for Byron UNIT 1 for the month of March, 1997.

A. Summary of Operatino Experience for Unit 1 The Unit began this reporting period in Mode 5 (Cold Shutdowns.

I 1

i l

l l

l c

(p:\97byrltrs\970080wpf-3) l 1

l l

J

'6 ,

  • Il

,*t oT a

, B. OPERATXWG DATA REPORT UNIT ONE DOCKET NO.: 050-454 UNIT: Byron One DATE: 04/10/97 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: March, 1997 Gross Hours: 744
2. Currently Authorized Power Level: 3411 (MWt)

Design Electrical Rating: 1175 (HWe-gross)

Design Electrical Rating: 1120 (MWe-net)

Max Dependable Capacity: 1105 (MWe-net)

3. Power Level to Which Restricted (If Any) : None l
4. Reasons for Restriction (If Any) : N/A THIS MONTH YR TO DATE CUMULATIVE *
5. Report Period Hrs. 744 2160 101,161
6. Rx Critical Hours 634.9 1702.8 83,588.3
7. Rx Reserve Shutdown Hours 0 0 38

, 8. Hours Generator on Line 628.9 1696 82,784

9. Unit Reserve Shutdown Hours 0 0 0

, *10. Gross Thermal Energy (PGGI) 1,962,625 5,447,641 254,266,911.8 i

11. Gross Elec. Energy (MWH) 677,548 1,887,397 86,152,418 l 12. Net Elec. Energy (MWH) 641,771 1,789,778 81,694,533 i
13. Reactor Service Factor 85.34 78.83 82.63
14. Reactor Avail.'hility Factor 85.34 78.83 82.67
15. Unit Service Factor 84.53 78.52 81.83
16. Unit Availability Factor 84.53 78.52 81.83
17. Unit Capacity Factor (MDC net) 78.06 74.99 73.08
18. Unit Capacity Factor (DER net) 77.02 73.98 72.10 l 19. Unit Forced Outage Hrs. 0 348.9 2,182.3
20. Unit Forced Outage Rate 0 17.06 2.57
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.

(p:\97byrltrs\970080wpf-4) r

d[($ i C. AVERAGE DAILY UNIT POWER LEVEL UNIT ONE DOCKET NO.. 050-454 UNIT: Byron One DATE: 04/10/97 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 MONTH: March, 1997 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. -13 MW 16. 1092 MW
2. -13 MW 17. 1087 MW
3. -13 MW 18, 1083 MW
4. -13 MW 19, 1083 MW
5. 3 MW 20. 1082 MW
6. 339 MW 21. 1084 MW l

l

7. 552 MW 22. 1091 MW l I
8. 1019 MW 23. 1082 MW
9. 1090 MW 24. 1093 MW l
10. 1084 MW 25. 1092 MW
11. 1092 MW 26. 1089 MW 1
12. 1093 MW 27. 1085 MW l
13. 1092 MW 28. 1087 MW 14, 3095 MW 29. 956 MW
15. 1093 MW 30. 1079 MW
31. 1065 MW INSTRUCTIONS

, On this form list the average daily unit power level in MWe-Net for each day in l 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 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% 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.,

i l (p:\97byrltrs\970000wpf-5) l

.Y

.-,,W

  • BYRON
  • Report Period: March, 1997 UNIT SHUTDOWNS / REDUCTIONS (UNIT 1) **************************

No. Date Tvoe Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence 2 3/05/97 S 115.05 B 4 End B1F17 RCFC Repairs

  • Summary *
                              • l 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-0161)

(p:\97byrltrs\970080wpf-6)

1 3, ^r

-gd e

  • E. UNIOUE REPORTING REOUIREMENTS (UNIT 1) for the month of March. 1997 e
1. Safety / Relief valve operations for Unit One, VALVES NO & TYPE PLANT DESCRIPTION DATE ACTUATED ACTUATION CONDITION OF EVENT None
2. Licensee generated changes to ODCM. j
None  !
3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 3.16 E-5 yCi/CC (p:\97byrltrs\970080wpf-7)

....- ~ - . - . - . - . . - . . .. . . _ . . - . - - - - . . . . _ . . . . - .

e

.'g,- * ')

o

  • F. LICENSEE EVENT REPORTS (UNIT 1)

The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, occurring during the reporting period, March 1, 1997 through March 31, 1997. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licensee Event Report Number Date Title of Occurrence None.

I 1

1 l

i i

l i

i l

.e ! Ls:

(P:\97byrltrs\970080wpf-s)

=v b 4

II. Monthly Report for Byron UNIT 2 for the month of March, 1997 A. Summary of Operatino Experience for Unit 2 The Unit began this reporting period in Mode 1 (Power operations). I l

l J

l l

i l

1 I

l l

l l

l l

(p:\97byrltrs\970080wpf-9) i

I' L

s. .~

p' B.' OPERATIMG DATA REPORT UNIT TWO DOCKET NO.4 050-455 l UNIT: Byron Two DATE: 04/10/97 l COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 OPERATING STATUS

1. Reporting Period: March, 1997. Gross Hours: 744
2. Currently Authorized Powr.r Level: 3411 (MWt) l 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 1

1

4. Reasons for Restriction (If Any) : N/A j THIS MONTH YR TO DATE CUMULATIVE
  • l
5. Report Period Hrs. 744 2160 84,265 l
6. Rx Critical Hours 633.3 2049.3 73,572 l
7. Rx Reserve Shutdown Hours 0 0 0 1
8. Hours Generator on Line 607.1 2023.1 72,869.7
9. Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal Energy (?OGI) 1,938,325 6,575,869 220,438,343.6 I
11. Gross Elec. Energy (MWH) 662,588 2,259,257 75,159,746
12. Net Elec. Energy (MWH) 630,689 2,157,682 71,449,653
13. Reactor Service Factor 85.12 94.88 87.31
14. Reactor Availability Factor 85.12 94.88 87.31
15. Unit Service Factor 81.60 93.66 86.48
16. Unit Availability Factor 81.60 93.66 86.48  !
17. Unit Capacity Factor (MDC net) 76.71 90.40 76.73
18. Unit Capacity Factor (DER net) 75.69 89.19 75.71 I
19. Unit Forced Outage Hrs. 0 0 1,815.4
20. Unit Forced Outage Rate 0 0 2.43
21. Shutdowns Scheduled Over Next 6 Months: None
22. If Shutdown at End of Report Period, Date of Startup: None f
23. Units in Test Status (Prior to Commercial Operation)- None j i
  • Note - The cumulative numbers do not reflect power j generated prior to commercial service. j l

l (p:\97byrltrs\970080wpf-10)

. J

'jg 'b C. AVERAGE DAILY UNIT POWER LEVEL UHIT TWO DOCKET NO.. 050-455 UNIT: Byron Two DATE: 04/10/97 COMPILED BY: J. Vogl TELEPHONE: (815)234-5441 x2282 MONTH: March, 1997 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 1111 MW 16. -13 MW i
2. 1123 MW 17. -12 MW l
3. 1124 MW 16. -13 MW
4. 1108 MW 19. -13 MW
5. 1108 MW 20. 49 MW )
6. 1123 MW 21. 588 MW )

l

7. 1121 MW 22. 993 MW
8. 1172 MW 23. 1125 MW l

l

9. 1101 MW 24. 1128 MW l
10. 837 MW 25. 1122 MW ,

1

11. 677 MW 26. 1122 MW I

12, 1004 MW 27. 1116 MW ,

I

13. 1115 MW 28. 1117 MW l
14. 915 MW 29. 1125 MW
15. -13 MW 30. 1124 MW
31. 1129 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 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 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.

(p:\97byrltrs\970080wpf-11)

I

  • BYRON
  • Report Period: March, 1997 UNIT SHUTDOWNS / REDUCTIONS (UNIT 2) **************************

No. Date Type Hours Reason Method LER Number System Component Cause & Corrective Action To Prevent Recurrence 4 3/10/97 F 78 A 5 Tube Leak Investigation On 2A CW Box 5 3/14/97 S 136:53 B 1 S/G B2F18 Plug Hand Hold Leaks On Steam Generators

  • Summary
  • 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-0161)

(p:\97byrltrs\970080wpf-12)

hi .

E. UNIOUE REPORTING REOUIREMENTS (UNIT 2) for the month of March, 1997

1. Safety / Relief valve operations for Unit Two.

VALVES NO & TYPE PLANT DESCRIPTION DATE ACTUATED ACTUATION CONDITION OF EVENT 3/05/97 2RY455A Momentary Mode 1 During Troubleshooting 99.8% Power of the Pressurizer Control Loop, Plant Indications Revealed i that Pressurizer Power i Operated Relief Valve 2RY455A Lifted off its Seat Momentarily l Causing Pressurizer Steam to Enter the Pressurizer Relief Tank.

I

2. Licensee generated changes to ODCM.

None

3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 5.03 E-5 Ci/cc (p:\97byrltrs\970080wpf-13)

I a.. l 1hs -

l F. LICENSEE EVENT REPORTS (UNIT 2)

The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit Two, occurring during the reporting period, March 1, 1997 through March 31, 1997. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

i Occurrence l

Licensee Event Report Number Date Title of Occurrence 455: 97-001 03/10/97 #2 Containment Drain / Trench System l

l l

l l

l l

l (p:\97byrltra\9'0080wpf-14)

Retrieved from "https://kanterella.com/w/index.php?title=ML20140D751&oldid=2861377"