ML20235X359

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Monthly Operating Repts for Sept 1987
ML20235X359
Person / Time
Site: Byron  Constellation icon.png
Issue date: 09/30/1987
From: Querio R, Spitzer D
COMMONWEALTH EDISON CO.
To:
NRC, NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
BYRON-87-1026, NUDOCS 8710190324
Download: ML20235X359 (14)
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i BYRON NUCLEAR POWER STATION.

UNIT 1 AND UNIT 2' MONTHLY PERFORMANCE REPORT 1

COMMONWEALTH EDISON COMPANY i

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! NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPF-37' LICENSE NO. NPF-66 8710190324 070930 PDR ADOCK 05000454 R ppg i

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I. Monthly Report for Byron ' Unit 1 for the month of September 1987 A'. Summary of Operating Experience for Unit 1 The unit began this reporting period in Mode 1 at 95% power. Power was-reduced on 9/7/87 to_ repair a circulating water box tube.' leak. Power ,

remained'at approximately 80%'until 9/13/87:when the leak was repaired. ,

The unit operated at power levels of up to 98% for the rest of the -l reporting period.

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(0625M/0062M) (3)

B. OPERATING DATA REPORT I DOCKET NO.: 050-454 UNIT: Byron One DATE: 10/10/87 COMPILED BY: D. J. Spitzer TELEPHONE: (815)234-5441 x2023 OPERATING STATUS l 1

1. Reporting Period: September 1987. Gross Hours: 720
2. Currently Authorized Power Level (MWt): 3411 Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Rating: 1120 (MWe-net) (

Max Dependable Capacity (MWe-net): NOT DETERMINED

3. Power Level to Which Restricted (If Any): 1152 j
4. Reasons for Restriction (If Any): Steam Generator Split Flow THIS MONTH YR TO DATE CUMULATIVE *
5. Report Period Hrs. 720 6551 18624
6. Rx Critical Hours 720 4001.3 15587.5
7. Rx Reserve Shutdown Hours 0 0 0
8. Hours Generator on Line 720 3798.3 12752
9. Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal Energy (MWH) 2181621 10126117 57250651
11. Gross Elec. Energy (MWH) 731042 3380631 12304863
12. Net Elec. Energy (MWH) 690272 3122246 11531147
13. Reactor Service Factor 100 61.1 83.7
14. Reactor Availability Factor 100 61.1 83.7
15. Unit Service Factor 100 58 68.5
16. Unit Availability Factor 100 58 68.5
17. Unit Capacity Factor (MDC net) N/A N/A N/A
18. Unit Capacity Factor (DER net) 85.5 43 55.3
19. Unit Forced Outage Hrs. 0 135.1 918.1
20. Unit Forced Outage Rate 0 3.4 6.7
21. Shutdowns Scheduled Over Next 6 Months:
22. If Shutdown at End of Report Period, Estimated Date of Startup:
23. Units in Test Status (Prior to Commercial Operation): See Unit 2 (II.B.23)
  • Note - The cumulative numbers do not reflect power generated prior to commercial service.

(0625M/0062M) (4) 1

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C. AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.: 050-454 UNIT: Byron One l DATE: 10/10/87 i COMPILED BY: D. J. Spitzer '(

TELEPHONE: (815)234-5441 l

2023 MONTH: September, 1981 J

'l i DAY AVERAGE DAILY POWER LEVEL (MWe-Net)  ;

1. 994 MW 15. 557 MW

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2. 1000 MW 16. 977 MW {
3. 1053 MW 17. 1058 MW )
4. 1047 MW 18. 1071 MW
5. 1051 MW 19. 1073 MW (
6. 852 MW 20. 1011 MW
7. 554 MW 21. 1031 MW
8. 738 MW 22. 1045 MW )
9. 827 MW 23. 1037 MW
10. 846 MW 24. 1035 MW
11. 814 MW 25, 1022 MW
12. 729 MW 26. 1015 MW i
13. 724 MW 27. 1028 MW
14. 1004 MW 28. 1004 MW
29. 1075 MW i l
30. 1078 MW

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INSTRUCTIONS l 1

On this form list the average daily unit power level in MWe-Net for each day l l in the reporting month. Compute to the nearest whole megawatt. These figures t l

will be used to plot a graph for each reporting month. Note that when maximum j i 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 '

I the restricted power level line.) In such cases the average daily unit power output sheet should be footnoted to explain the apparent anomaly. i i

(0625M/0062M) (5) j i

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.E. UNIQUE' REPORTING REQUIREMENTS (UNIT-1) for tht month of Septemb r'1987

1. Safety / Relief valve operations for Unit One.

VALVES NO & TYPE PLANT DESCRIPTION DATE ACTUATED ACTUATION CONDITION OF EVENT None

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2. Licensee generated changes to ODCM. (Y/N)

No

3. Indications of failed fuel. (Y/N)

No.

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(0625M/0062M) (7)

F. LICENSEE EVENT REPORTS-(UNIT 1)

Tho'following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, submitted.during.the reporting period, September 1 through September 30, 1987. - 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-87-018-00 08/11/87 . Reactor . Trip on' S/G LO-2 following FW Trip.

87-019-00. 08/12/87 ' Reactor. Trip'and Safety

' Injection following TV-GV Transfer.

87-020-00 09/02/87 Temporary lack ~of continuous-fire watch due to personnel.  ;

error.

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II. Monthly Report for Byron Unit 2 for the month of September 1987 A. Summary of Operating Experience for Unit 2 The unit began this reporting period in Mode 4. Mode 3 was entered  ;

at 1318 on 9/3/87. The reactor was taken critcal at 1718 on 9/4/87.

At 0603 on 9/5/87 the unit was synchronized to the grid. Power was j increased to 96% by 0800 on 9/9/87. The unit operated at power ,

levels of up to 96% until 9/26/87 when power was reduced to repair flow transmitter 2FT-445. On 9/27/87 at 0700 power was at 27%. By 0900 on 9/27/87 2FT-445 was repaired and power was ramped back up.

The Unit operated at power levels of tp to 95% for the rest of the  ;

reporting period.

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B. OPERATING DATA REPORT DOCKET .40.: 050-455 JNIT: Byron Two l DATE: 10/10/87 I COMPILED BY: D.'J. Spitzer i TELEPHONE: (815)234-5441 x2023 OPERATING STATUS

1. Reporting Period: September 1987. Gross Hours: 720 1
2. Currently Authorized Power Level (MWt): 3411 Design Electrical Rating: 1175 (MWe-gross)-

Design Electrical. Rating: 1120 (MWe-net)

Max Dependable Capacity (MWe-net): NOT DETERMINED

3. Power Level to Which Restricted (If Any): 1110
4. Reasons for Restriction (If Any): Steam Generator Split Flow.

THIS MONTH YR TO DATE CUMULATIVE *

5. Report Period Hrs. 720 984 984 )
6. Rx Critical Hours 630.7 778 -778
7. Rx Reserve Shutdown Hours 0 0 0
8. Hours Generator on Line 617.9 763.8. 763.8
9. Unit Reserve Shutdown Hours 0 0 0

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10. Gross Thermal Energy (MWH) 1756522 2391662 2391662
11. Gross Elec. Energy (MWH) 590758 741894 741894 j
12. Net Elec. Energy (MWH) 555766 695765 695765 )
13. Reactor Service Factor 87.6 79.1 79.1-
14. Reactor Availability Factor 87.6 79.1 79.1
15. Unit Service Factor 86 78 78
16. Unit Availability Factor 86 78 78
17. Unit Capacity Factor (MDC net) N/A N/A N/A
18. Unit Capacity Factor (DER net) 69 63.1 63.1
19. Unit Forced Outage Hrs. 102.1 220.2 220.2
20. Unit Forced Outage Rate 14.2 22.4 22.4
21. Shutdowns Scheduled Over Next 6 Months: 11/28/87
22. If Shutdown at End of Report Period, Estimated Date of Startup:
23. Units in Test Status (Prior to Commercial Operation): (UNIT 2).

Forecast Achieved ,

Initial Criticality 01/07/87 01/09/87 Initial Electricity 02/05/87 02/06/87 Commercial Operation 05/31/87 08/21/87

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

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(0625M/0062M) (10)

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C. AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.: 050-455 UNIT: Byron Two DATE: 10/10/87 COMPILED BY: D. J. Spitzer TELEPHONE: (815)234-5441 x2023 MONTH: September, 1987 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. -29 MW 15. 930 MW
2. -23 MW 16. 1025 MW
3. -23 MW 17. 971 MW
4. -22 MW 18. 1039 MW
5. 146 MW 19. 984 MW
6. 331 MW 20. 989 MW
7. 611 MW 21, 1038 MW
8. 955 MW 22. 961 MW
9. 1042 MW 23. 1020 MW 10, 1033 MW 24. 1005 MW 11, 1039 MW 25, 1013 MW
12. 1039 MW 26. 784 MW
13. 1044 MW 27. 387 MW
14. 1038 MW 28, 861 MW
29. 988 MW
30. 969 MW INSTRUCTIONS On this form list the average daily unit power level in MNe-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.

(0625M/0062M) (11)

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E. t UNIQUEREPORTINGREQUIREMENTS(UNIT'2)fo[tho'monthof'Septembhr1987

1. , Safety / Relief valve operations for Unit Two.

VALVES NO &. TYPE PLANT. DESCRIPTION DATE ' ACTUATED. ACTUATION CONDITION OF EVENT u

None 2.. Licensee generated changes to ODCM.' (Y/N)'

No

3. Indications of faildd fuel. (Y/N)

No (0625M/0062M) (13)

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F. LICENSEE EVENT REPORTS (UNIT 2)

The following is a tabular sunnery of all Licensee Event Reports for Byron - 1 Nuclear Power Station, Unit Two,' submitted during the reporting period, September 1 through September 30, 1987. 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

  • 87-012-00 07/30/87 2B DG Inop. for. longer than Tech Spec Limits due.to Turbo Charger replacement.

87-013-00 08/19/87' Violation of License Condition 2C3.

87-014-00 08/24/87 Containment Hatch Leakrate Missed Surveillance ~ . j i

87-015 08/29/87 .FW Isolation. caused during Recal Surveillance.

87-016-00 08/31/87 Inadvertent Train A Safety Injection during Surveillance ,

Testing due to personnel error.

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  • LER #87-012-00 was submitted during August and should have been included in the August report submitted in early September.

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'USNRC-DS 19810CT 19 A D lb October 10,-1987

.LTR: BYRON 87-1026 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 Bfron Euclear Power Station for the period September 1 through September 30, 1987.

Very 6.ruly yours, WAl s b R. E. Querio Station Manager Byron Nuclear Power Station REQ /DJS/sm cc: A.B. Davis, NRC, Region III l NRC Resident Inspector Byron Gary Wright, Ill. Dept. of Nuclear Safety D.P. Galle T. J. Maiman L.D. Butterfield l

Nuclear Fuel Services, PWR Plant Support L. Anastasia, Station Nuclear Engineering l INPO Records Center l Thermal Group,. Tech Staff Byron Station Nuclear Group, Tech Staff Byron Station L. 01shan - USNRC D. J. Spitzer ..

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l (0625M/0062M) (1)

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