ML20245A087

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Monthly Operating Repts for May 1989 for Byron Units 1 & 2
ML20245A087
Person / Time
Site: Byron  Constellation icon.png
Issue date: 05/31/1989
From: Pleniewicz R, Spitzer D
COMMONWEALTH EDISON CO.
To:
NRC
References
(0625M-0062M), (625M-62M), BYRON-89-0550, BYRON-89-550, NUDOCS 8906210064
Download: ML20245A087 (14)
v • d • e


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' ( Comdnwrith Edison

../OO '/ Byron NuclearStation 4450 North German Church Road Byron, Illinois 61010 .

June.10, 1989

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LTR: BYRON 89-0550 FILE: 2.7.200 Director, Office of Management Information-and Program Control i' United Strtes Nuclear Regulatory Commission Washington. D.C. 20555 j

-ATTN Document Control Desk 1

Gentlemen -

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Enclosed for your information is the Monthly Performance Report covering Byron Nuclear Power Station for the period May 1 through May 31, 1989.

Sincerely, 1

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R. Pleniewicz Station Manager Byron Nuclear Power Station RP/DJS/kr (0625M/0062M) cc:  ?.B. Davis, NRC, Region III NRC. Resident Inspector Byron Gary Wright, 113. Dept. of Nuclear Safety.

T.J. Maiman/K.L. Graesser Nuclear. Licensing Manager Nuclear Fuel Services, PWR Plant Support L. Anastasia, Station Nuclear Engineering INPO Records Center L. Olshan - USNRC

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'I 6906210064 890531 ~ -

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I BYRON NUCLEAR POWER STATION I UNIT 1 AND UNIT 2 i

MONTHLY PERFORMANCE REPORT l COMMONWEALTH EDISON COMPANY l

NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 ,

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LICENSE NO. NPF-37 l 1

LICENSE NO. NPF-66  :

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l I. Monthly Report for Byron Unit 1 for_1.he mon ',of May 1989 i l

A,,D.Ary of Operating Enpatience for Unit _.1 The unit began this reporting period in Mode 1 (Power Operation) at approximately 80% power. On 05/11/89 power was reduced to repair the 1C circulating waterbox. By 0750 on 05/13/89 power was returned to approximately 100%. The unit operated at power levels of up to approximately 100% until 05/26/89 when a ,)wer reduction, to swap feedwater pumps, was initiated. The unit operated at power levels of up to 100% for the rest of the reporting period.

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I H. OPERATIliGJATA REPORT DOCKET NO.: 050-454 i UNIT: Byron One DATE: 06/10/89 COMPILED BY: D. J. Spitzer TELEPHONE: (815)234-5441  ;

OPERATING STATUS

1. Reporting Period: May 1989. Gross Hourst. 744
2. Currently Authorized Power Level 3411 (MWt)

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Design Electrical Rating: 1175 (MWe-gross) .

Design Electrical Rating: 1120 (MWe-net) ')

Max Dependable Capacity: 1105 (MWe-net) )

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3. Power Level to Which Restricted (If Any): N/A l
4. Reasons for Restriction (If Any):

1 THIS MONTH YR TO DATE CUMULATIVE *

5. Report Period Hrs. 744 3623 '32496
6. Rx Critical Hours 744 3605.7 25402.8 )
7. Rx Reserve Shutdown Hours 0 0 37.8
8. Hours Generator on Line 744 3601 24957.9
9. Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal Energy (MWH) 2322976 11275124 14802437
11. Gross Elec. Energy (MWH) 794279 3844063 25156944 l
12. Net Elec. Energy (MWH) 750683 3643584 23676092
13. Reactor Service Factor 100 99.5 78.2
14. Reactor Availability Factor 100 99.5 78.3 q
15. Unit Service Factor 100 99.4 -76.8 -l
16. Unit Availability Factor 100 99.4 76.8
17. Unit Capacity Factor (MDC net) 91.3 91.0 65.9 q
18. Unit Capacity Factor (DER net) 90.0 89.7 65.'1 j
19. Unit Forced Outage Hrs. 0 22.4 1057
20. Unit Forced Outage Rate 0 0.6 4.2
21. Shutdowns Scheduled Over Next 6 Months:
12. 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

C d .ERAGE DAILY UNIT PQWER LEVEL DOCKET NO.: 050-454 UNIT: Byron One DATE: 06/10/89 COMPILED BY: D. J. Spitzer TELEPHONE: (815)234-5441 l .x2023 MONTH: May, 1989 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 989 MW 16. 1.001 MW
2. 1109 MW 17, 1039 MW
3. 1136 MW 18. 1120 MW
4. 1035 MW 19. 1151 MW
5. 1044 MW 20. 1164 MW
6. 1169 MW  ?.1. 1032 MW
l. 1170 MW 22, 1131 MW
8. _1165 MW 23. _ 1147 MW
9. 1084 MW 24, 1129 MW
10. 1056 MW 25. 1085 MW 11, 890 MW 26, 987 MW
12. 1095 MW 27. 1022 MW
13. 1137 MW 28. 1031 MW 14, 851_Mf 29. 1052 MW
15. 930 MW 30. 1031 MW 31, 1099 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. -

(0625M/0062M-4) l a

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E. UNIOUE REPORTING REOUIREMENIS (UNIT li for the month of May 1RfLE

1. Safety / Relief valve operations for Unit One.

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

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

No

3. Indications of failed fuel. (Y/N) l Yes 1131 = 1.1E-3 pci/cc k

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(0625M/0062M-6)

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F. LICENSEE EVENT 2EPORTS (UNIT 1)

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 31, 1989. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licenspe Event' Report Number Date Title of Occurrence 89-05 05/01/89 Diesel Generator Inoperable Due to Deficient Post Maintenance Testing, j

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i (0625M/0062M-7)  ;

II. Monthly Report for Byron Unit 2.for the month of May 1989 A. Summary of Operating Experience for Unit 2 The unit began this reporting period in Mode I'(Power Operation) at approximately 60% power. .The unit operated at power levels of up to .j

._ approximately 90% until 05/16/89 when a shutdown,:for'a main generator '

l hydrogen. leak, was initiated. The generator was repaired.- The unit was

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taken critical et 1451 on 05/23/89, and synchronized to'the grid'at 2209 the same day. The unit operated at power' levels of up to 90% for the rest I of the , rep;rting period. ,

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(0625M/0062M-6)

9 B. ' OPERATING DATA REPORT

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. DOCKET NO. . 050-455 UNIT:- ' Byron Two.- ,-

DATE: 06/10/89- -

COMPILED BY: D.'J.lSpitzer .i TELEPHONES- (815)234-5441 ;l x2023 OPERATING STATUS. -4q

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1. Reporting Period May 1909. 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):

THIS MONTH YR TO DATE CUMULATIVE *

5. Report Period Hrs. 744 '3623- 15600
6. Rx Critical Hours 582.4 2107.4 .13112.3-
7. Rx aeserve Shutdown. Hours 0 -0 0
8. Hours Generator on Line 575 2033 12734.2
9. Unit Reserve Shutdown Hours 0 0 0
10. Gross Thermal inergy-(MWH) 1384279 4892219 31717636
11. Grors Elec. Fnergy (MWH) 477640 1673734- 10571651
12. Net Elec. Energy (MWH) 446044 1552453 W A277
13. Reactor Service Factor 78.3 58.2 34.1:
14. Reactor Availability Factor 78.3 58.2 84.1
15. Unit Service Factor 77.3 56.1 81.6
16. Unit Availabi31ty Factor 77.3 56.1 81.6- ,

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17. Unit Capacity Factor (MDC net) 54.3 38.8 '57.3
18. Unit Capacity Factor (DER net) 53.5 38.2 56.6 '(

15'. Unit Forced Outage Hrs. :169 169 631.6'

20. Unit Forced Octage Rate 22.7 7.7 4.7 1
21. Shutdowns Scheduled Over Next 6 Months: 'd-
22. If Shutdown at End of Report Period, Estimated Date.of Startups.
23. Units in Test Status (Prior to Commercial' Operation) . None

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

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-(0625M/0062M-9)- ,

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1 C. AVERAGE DAILY UNIT POWER LEVEL

' DOCKET NO.: 050-455' .)

UNITS Byron Two ,

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DATE: 06/10/89 COMPILED BY: D. J. Spitzer.

TELEPHONES. (815)234-5441 1 x2023 MONTH: May, 1989 l

i DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. 828 MW 16, 826 MW-
2. 873 MW 17. 0 MW
3. 808 MW 18. O'MW I 1
4. 786 MW 19. O MW l
5. 824 MW 20. O MW
6. 844 MW 21. O MW l
7. 812 MW 22. O MW j
8. 802 MW 23. 84 MW
9. 824 MW 24. 418 MW
10. 826 MW 25, 855 MW
11. 856 MW 26. 946 MW i

12, 782 MW __ 27. 969 MW l i

13. _ 612 MW 28. 987 MW
14. 592 MW 29. 1000 MW i
15. 871 MW 30. 1019 MW
31. 1030 MW i

1 l- INSTRUCTIONS On this form list the average daily unit power levellin MWe-Net for each day l

[ in the reporting month. Compute to.the nearest whole megawatt, These figures 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 I (or the restricted power level line.) In-such cases the average daily unit power output sheet should be footnoted to explain-the apparent anomaly.-

(062bM/0062M-10) i I

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'E. UNIOUE REPORTING REOUIRDIENTS (UNIT 21 ' for the month of May 1989 f l'. -Safety / Relief valve' operations for Unit Two.

VALVES 'NO & TYPE PLANT DESCRIPTION DATI. ACTUATED ACTUATim CCNDITION OF EVENT None 4

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2. :Licenz.ee generated changes to ODCM. (Y/N)

No

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

No

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(0625M/0062M-12) .l 1

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T. LICENSEE EVENT REPORTS (UNIT &

The-following is a tabular summary of all Licensee Event Reports for Byron Iluclear Power Station, Unit Two, submitted during the reporting period, May 1 through May 31, 1989. 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 Mone

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(0625M/0062M-13) j lu

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