ML20239A618

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Monthly Operating Repts for Aug 1987
ML20239A618
Person / Time
Site: Byron  Constellation icon.png
Issue date: 08/31/1987
From: Querio R, Spitzer D
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
BYRON-87-0938, BYRON-87-938, NUDOCS 8709180007
Download: ML20239A618 (20)
v • d • e


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l BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 i

MONTHLY PERFORMA?'CE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 LICENSE NO. NPF-66

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8709180007 870831 DR ADOCK 050 4 (0625M/0062M) (2)

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I. For the month of August 1987, Monthly Report for Byron Unit 1 A. Summary of Operating Experience for Unit 1 The unit began this reporting period in Mode 3. At 0520 on August 2, the reactor was taken critical. At 0825 the same day, the unit was synchronized to the grid. The unit operated at power levels of up to

'98% until August 9 when power was ramped down to 50% to repair a circulating waterbox. By August 11, at 0800, power was at 80%. At ,

1015 on August 11, a reactor trip occurred due to a trip of the 1B I Feedwater Pump. The reactor was taken critical at 1944 the same day. At 0105 on August 12, a reactor trip occurred due to a failed turbine stop valve servo controller. On August 13, at 1650, the reactor was taken critical and at 1851 synchronized to the grid.

From August 14 through August 16 power was kept at 56% for chemistry i concerns. The unit operated at power levels of up to 100% until August 26 when a. load reduction to 30% was initiated for chemistry  ;

concerns and on OA SX make-up pump problem. By August 31, power was at 90% where it remained for the rest of the reporting period.

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(0625K/0062M) (3) 1 l

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l B. OPERATING DATA REPCRT DOCKET NO.: 050-454 UNIT: Byron One I' DATE: 09/10/87 COMPILED BY: D. J. Spitzer TELEPHONE: (815)234-5441 x2023 OPERATING S7ATUS l

il. Reporting Period: August 1987. Gross Hours: 744

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 l

3. Power Level to Which Restricted (If Any): 1152
4. Reasons for Restriction (If Any): Steam Generator. Split Flow THIS MONTH YR TO DATE CUMULATIVE *
5. Report Period Hrs. 744 5831 17904 i
6. Rx Critical Hours 705.2 3281.3 14867.5
7. Rx Reserve Shutdown Hours 0 0 0
8. Hours Generator on Line 654.9 3078.3 12032
9. Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal Energy (MWH) 1743294 7944496 55069030
11. Gross Elec. Energy (MWH) 580054 2649389 11573821
12. Net Elec. Energy (MWH)' 542327 2431974 10840875 '
13. -Reactor Service Factor ' 94.8 72.6 88.7
14. Reactor Availability Factor 94.8 72.6 88.7
15. Unit Service Factor 88 67.8 77.2 i
16. Unit Availability Factor 88 67.8 77.2
17. Unit Capacity Factor (MDC net) N/A N/A N/A
18. Unit Capacity Factor'(DER net) 65.1 37.2 57.7
19. Unit Forced Outage Hrs, 89 135 918
20. Unit Forced Outage Rate 11.9 4.2 7
21. Shutdowns Scheduled Over Next 6 Months:

122.~ 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)

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

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.(0625M/0062M) (4) -

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_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ J

C. AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.: 050-454 UNIT: Byron One DATE: 09/10/87 COMPILED BY: D. J. Spitzer TELEPHONE: (815)234-5441 x2023 MONTH: August, 1987 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. -31 MW 15. 543 MW
2. 231 MW 16. 634 MW L3. 1066 MW 17. 798 MW j
4. 1085 MW 18. 869 MW
5. 1090 MW 19. 937 MW
6. 1069 MW 20. 1016 MW
7. 1074 MW 21. 1076 MW l
8. 1076 MW 22. 1081 MW
9. 1023 MW 23. 875 MW
10. 441 MW 24. 1037 MW
11. 344 MW 25. 1090 MW
12. -27 MW 26. 1087 MW
13. 14 MW 27. 679 MW
14. 329 MW 28. 245 MW
29. 373 MW 30, 523 MW
31. 936 MW INSTRUCTIONS On this form list the average daily unit power level in MWe-Net for each day 1 in the reporting month. Computetothe(nearestwholemegawatt. These figures will be used to plot a graph for each rdporting month. Note that when maximum l

dependable capacity is used for the net electrical rating of the unit there t 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 I output sheet should be footnoted to explain the apparent anomaly.

(0625M/0062M) (5)

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E. For the month of August 1987, UNIQUE REPORTING REQUIREMENTS (UNIT 1)

1. Safety / Relief valve operations for Unit One.

VALVES NO & TYPE PLANT DESCRIPTION DATE ACTUATED ACTUATION CONDITION OF EVENT 08/11/87 Pressurizer 1RY455A Pressurizer PORV )

PORV lifted because of- ]

plant trip.

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

No ,

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

No.

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.(0625M/0062M) (7) )

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_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . O

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F. LICENSEE EVENT REPORTS (UNIT ll The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, submitted during the reporting period, August 1 through August 31, 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 87-017-00 07/29/87 2 Reactor trips due to lighting strike E

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l (0625M/0062M) (8)

II.. For the month of August 1987, Monthly Report for Byron Unit 2, A. Summary of Operating Experience for Unit 2 The unit began this reporting period in Mode 1 at 61% power. From August 2 through August 10 several load rejection tests were performed. The unit operated at power levels of up to 98% during this period. From August 11 through August 26 the plant was operated at power levels of up to 100%. On August 21, commercial service was declared. On August 26 at 1742, a load decrease was initiated because of a hydrogen leak in the main generator. On August 27 at

-0159, the generator was taken off line. Mode 3 was entered at 0320 on August 27, and Mode 4 was entered at 1200 the same day. The unit remained in Mode 4 - for the rest of the reporting period.

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(0625M/0062M) (9)

l B. ' OPERATING DATA REPORT- 1 1

DOCKET Nd.': 050-455

' I ;' , UNIT : Byron Two

.DATE: 09/10/87)

. COMPILED BY: D. J. Sp4zer TELEPHONE: (815)234-$441 ,

x2023 l OPERATING STATUS . ,, l "1. Reporting Period: August 1987. Gross Hours: 264

2. . Currently Authorized Power Level (MWt): 3411

..~ Design Electrical Rating: 1175 -(MWe-gross) l Design Electrical Rating: 1120 (MWe-net)

Max Dependable Capacity (MWe-net): NOT DETERMINED ,,

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

THIS MONTH YR TO DATE CUMULATIVE *

5. Report Period Mrs. 264 2.64 264
6. Rx Critical Hours 147.3 117.3 147.3
7. Rx Reserve Shutdown Hours 0 0 37.8
8. Hours Generator on Line 145.9 145.9 145.9 i
9. Unit Reserve Shutdown Hours 0 0 0 i 1
10. Gross Thermal Energy (MWH) 635140 635140 635140
11. Gross Elec. Energy (MWH) 151136 151136 151136
12. Net Elec. Energy (MWH) 139999 139999 139999  !
13. Reactor Service Factor 55.8 55.8 55.8  ;

14.' Reactor Availability Factor 55.8 55.8 55.8

-15. Unit Service Factor 55.2 55.2 55.2

16. Unit Availability Factor 55.2 55.2 55.2

'17. Unit Capacity Factor (MDC net) N/A N/A N/A

18. Unit Capacity Factor (DER net) 47.3 47.3 47.3
19. Unit Forced Outage Hrs. 118.1 118.1 118.1 l
20. Unit Forced Outage Rate 4.5 4.5 4.5
21. Shutdowns Scheduled Over Next 6 Months: 11/28/87
22. If Shutdown at End of Report Period, Estimated Date of Startup: 09/05/87
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 k,

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

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(0625M/0062M) (10) i

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-C. AVERAGE DAILY UNIT POWER LEVEL  !

DOCKET NO. : 050-455 UNIT: ' Byron Two DATE: 09/10/87-COMPILED BY: D. J. Spitzer

, TELEPHONE: (815)234-5441 I x2023

MONTH
August, 1987-DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
1. N/A 15. N/A
2. N/A 16. N/A
3. N/A 17. N/A
4. N/A 18. N/A 5.' N/A .19. N/A
6. - N/A 20. N/A  !
7. N/A 21. 997 MW

'8. N/A 22. 1004 MW

9. N/A 23. 1016 MW l
10. N/A 24. 1019 MW
11. N/A 25. 1044 MW
12. N/A 26. 887 MW
13. N/A 27. -15 MW
14. N/A' ,
28. -34 MW
29. -30 MW
30. -27 MW l i
31. -29 MW  !

INSTRUCTIONS On this form list the average daily unit power level in MWe-Net for each day

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l in the reporting month. Compute to the nearest whole megawatt. These figures t I 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. For the month of August'1987, UNIQUE REPORTING REQUIREMENTS (UNIT'2) 1.- Safety / Relief valve operations for Unit Two.

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

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

No

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

No l

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"F. LICENSEE EVENT REPORTS (UNIT 2)

The following is a' tabular sumnary of all Licensee Event Reports for Byron '

l Nuclear Power Station, Unit Two, submitted during the reporting period, August 1~through August _31,.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 87-011-00-~ 07/25/87 .Reac' tor trip and pressurizer PORV opening after 30% load rejection test. )

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.__-____-____-_-___A

Attached are corrected data pages for 3 Unit 2 reports. The corrections are cs follows:

1.- February - 'The report period hours,'Rx critical, and Hours generator on line,-were changed to reflect initial power generation as the starting point. Also, the Shutdown / Reductions page was updated.

2. April -

The Shutdown / Reductions page was corrected. l l

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3. July -

The Shutdown / Reductions page was corrected. 'Also, the l year to date and cumulative numbers were updated to  !

reflect the February changes.

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NOTE: Since Commercial Service was declared August 21, the Unit 2 j numbers will now start with August 21 data. y i

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(L (0625M/0062M) (15)

! - _______ 1_ ________ _ i

3 B. OPERATING DATA REPORT I DOCKET NO.: 050-455 UNIT: Byron Two DATE: 03/10/87 o COMPILED BY: D. J. Spitzer TELEPHONE: (815)234-5441  ;

1 x2023 l i

OPERATING STATUS

! 1. Reporting Period: February 1987. Gross Hours: 530.5

2. Currently ~ Authorized Power Level (MWt): 3411
l. . Design Electrical Rating: 1175 (MWe-gross)

Design Electrical-Rating: 1120 (MWe-net) l Max Dependable Capacity (MWe-net): NOT DETERMINED

3. Power Level to Which Restricted (If Any):
4. Reasons for Restriction (If Any): The Unit is in Startup and Power Assension Test Phase.

THIS MONTH YR TO DATE CUMULATIVE * {

5. Report Period Hrs. 530.5 530.5 530.5 l
6. Rx Critical Hours 429.2 429.2 429.2
7. Rx Reserve Shutdown Hours 0 0 0
8. Hours Generator on Line 347.9 347.9 347.9  ;
9. Unit Reserve Shutdown Hours 0 0 0 l
10. Gross Thermal Energy (MWH) 363797 363797 363797
11. Gross Elec. Energy (MWH) 79015 79015 79015 ,

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12. Net Elec. Energy (MWH) 62604 62604 62604 '
13. Reactor Service Factor N/A N/A N/A l4' . Reactor Availability Factor N/A N/A N/A
15. Unit Service Factor N/A N/A N/A i
16. Unit Availability. Factor N/A N/A N/A ,
17. Unit Capacity Factor (MDC net) N/A N/A -N/A
18. Unit Capacity Factor (DER net) N/A N/A N/A f
19. Unit Forced Outago Hrs. N/A N/A N/A
20. Unit Forced Outage Rate N/A N/A N/A
21. Shutdowns Scheduled Over Next 6 Months: 3/21/87 scheduled 6 day outage for modifications.
22. If Shutdown at End of Report Period, Estimated Date of Startup: N/A  !
23. Units in Test Status (Prior to Commercial Operat, ion): (UNIT 2)  !

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Forecast Achieved l Initial Criticality 01/07/87 01/09/87 Initial Electricity 02/05/87 02/06/87  ;

Commercial Operation 05/31/87 1 l

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(0625M/0062M) (J1) r i

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B. OPERATING DATA REPORT DOCKET NO.: 050-455 i UNIT: Byron Two DATE: 08/10/87 z COMPILED BY: D. J. Spitzer j TELEPHONE: (815)234-5441 x2023 s OPERATING STATUS l 4

1. Reporting Period: July 1987. Gross Hours: 744 )

i

2. Currently Authorized Power Level (MWt): 3411 i Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Rating: 1120 (MWe-net) d Max Dependable Capacity (MWe-net): NOT DETERMINED l

3. Power Level to Which Restricted (If Any): j
4. Reasons for Restriction (If Any): The unit is in Startup and Power Ascension Test Phase.

THIS MONTH YR TO DATE CUMULATIVE *

5. Report Period Hrs. 744 4746.9 4746.9
6. Rx Critical Hours 689.2 3876.7 3876.7
7. Rx Reserve Shutdown Hours 0 0 37.8
8. Hours Generator on Line 597.4 3203.1 3203.1
9. Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal Energy (MWH) 1607744 7467849 7467849
11. Gross Elec. Energy (MNH) 539110 2444351 2444351
12. Net Elec. Energy (MWH) 503846 2263646 2263646 i
13. Reactor Service Factor N/A N/A N/A ,
14. Reactor Availability Factor N/A N/A N/A
15. Unit Service Factor N/A N/A N/A
16. Unit Availability Factor N/A N/A N/A
17. Unit Capacity Factor (MDC net) N/A N/A N/A
18. Unit Capacity Factor (DER net) N/A N/A N/A
19. Unit Forced Outage Hrs. N/A N/A N/A
20. Unit Forced Outage Rate N/A N/A N/A
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 i 01/07/87 01/09/87 j Initial Electricity { 02/05/87 02/06/87  ;

Commercial Operation 05/31/87 l

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

(0625M/0062M) (20) k i

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i l September 10, 1987 LTR: BYRON 87-0938 File: 2.7.200 Director, Office of Management Information and Program Control United States Nuclear Regulatory Commission l Washington, D.C. 20555 l

ATTN: Document Control Desk Gentlemen:

Enclosed for your information is the Monthly Performance Report covering Byron Nuclear Power Station for the period August 1 through August 31, 1987. j l Very truly yours, i

R. E. Querio Station Manager l Byron Nuclear Power Station REQ /DJS/sm cc: A.B Davis, NRC, Region III NRC Resident Inspector Byron Gary Wright, Ill. Dept. of Nuclear Safety D.P. Galle T. J. Maiman L.D. Butterfield Nuclear Fuel Services, PWR Plant Support L. Anastasia, Station Nuclear Engineering INPO Records Center Thermal Group, Tech Staff Byron Station {

j Nuclear Group, Tech Staff Byron Station '

L. Olshan - USNRC D. J. Spitzer I

(0625M/0062M) (1) h

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C___.__._____._

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