ML20195K270

Revised Monthly Operating Repts for Apr 1988 for Byron Station Units 1 & 2

ML20195K270
Person / Time
Site:	Byron
Issue date:	04/30/1988
From:	Spitzer D COMMONWEALTH EDISON CO.
To:
Shared Package
ML20155E108	List: ML20155E104 ML20195K219 ML20195K270
References
NUDOCS 8806290381
Download: ML20195K270 (4)

Text

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B.

OPERATING DATA REPORT DOCKET NO.

050-454 UNIT:

Byron One DATE:

05/10/88 COMPILED BY:

D. J. Spitzer TELEPHONE:

(815)234-5441 x2023 OPERATING STATUS 1.

Reporting Period: April 1988. Gross Hours:

719 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): 1097 (Mwe-net) 4.

Reasons for Restriction (If Any):

Steam Generator Split Flow (23MW)

THIS MONTH YR TO DATE CUMULATIVE

• 5.

Report deriod Hrs.

719 2903 22992 6.

Rx Critical Hours 368.7 2552.7 17864.7 7.

Rx Reserve Shutdown Hours 0

0 37.8 8.

Hours Generator on Line 359.1 2543.1 17504.1 9.

Unit Reserve Shutdown Hours 0

0 0

10. Gross Thermal Energy (HWH) 934505 7826762 51422612

11. Gross Elec. Energy (MWH) 310196 2592971 17218748

12. Net Elec. Energy (MWH) 283917 2443456 16182933

13. Reactor Service Factor 51.3 87.9 77.7

14. Reactor Availability Factor 51.3 87.9 77.9 1

15. Unit Service Factor 50.0 87.6 76.1

16. Unit Availability Factor 50.0 87.6 76.1

17. Unit Capacity Factor (MDC net)

N/A N/A N/A

18. Unit Capacity Factor (DER net) 35.2 75.1 62.8

19. Unit Forced Outage Hrs.

65.3 65.3 977.4

20. Unit Forced Outage Rate 15.4 2.5 5.3

21. Shutdowns Scheduled Over Next 6 Months: 09/03/88

22. 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-4) 8806290301 880610 PDR ADOCK 05000454 R

PDR l

Report Period April, 1988 UNIT SHUTDOWNS / REDUCTIONS BYRON (UNIT 1)

A Date Typg_. HQnIs ERASDB Method _LER Number _ SystCm__ ComDQnent.

Cause & CoIIgrJ;ive Action to Prevent Recun.nce 4.

04/03/88 S

294.6 A

1 SG Outage for Snubber Inspection and ID Steam Generator Leak Repair.

5.

04/18/88 F

65.3 A

3 6-88-002-00 Rx Trip On Power Range Flux Rate HIgh.

6.

04/23/88 B

5 Re-Adjust Power Range N.I.

"High Flux Rx Trip" Setpoints.

ceaoco*********

O Sunnary occomo*********

TYPE Eeason 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-Reducad Load Licensee Event Report

& License Examination 9-Other (LER) File (NUREG-0161)

B.

'OPERAT2NG DATA REPORI DCCKET NO.:

050-455 UNIT:

Byron Two DATE:

05/10/88 COMPILED BY:

D. J.

Spitzer TELEPHONE:

(815)234-5441 x2023 OPERATING STATUS 1.

Reporting Period: April 1988.

Gross Hours:

719 2.

Currently Authorized Power Level (MWt): 3411 Design Electrical Rating: 1175 (MWe-gross; Design Electrical Rating: 1120 (MWe-net)

Max Dependable Capacity (HWe-net): NOT DETERMINED 3.

Power Level to Which Restricted (If Any):

1055 (MWe-net) 4.

Reasons for Restriction (If Any):

Steam Generator Split Flow. (65 MW)

THIS MONTH YR TO DATE CUMULATIVE

• 5.

Report Period Hrs.

719 2903 6096 6.

Rx Critical Hours 719 2888.6 5217.8 7.

Rx Reserve Shutdown Hours 0

0 0

8.

Hours Generator on Line 719 2690.2 4970.6 9.

Unit Reserve Shutdown Hours 0

0 0

10. Gross Thermal Energy (MWH) 2215387 7660533 14132697

11. Gross Elec. Energy (MWH) 765010 2561438 4665749

12. Het Elec. Energy (MWH) 723376 2410588 4381489

13. Reactor Service Factor 100 99.5 85.6

14. Reactor Availability Factor 100 99.5 85.6

15. Unit Service Factor 100 92.7 81.5

16. Unit Availability Factor 100 92.7 81.5

17. Unit Capacity Factor (MDC net)

N/A N/A N/A

18. Unit Capacity Factor (DER net) 89.7 74.1 64.2

19. Unit Forced Outage Hrs.

0 25.2 312.2

20. Unit Forced Outage Rate 0

1.0 6.0

21. Shutdowns Scheduled Over Next 6 Months:

22. If Shutdown at End of Report Period, Estimated Date of Startup:

23. Units in 1est Status (Prior to Commercial Operation): None

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

(0625M/0062M-10)

Raport Period April, 1988 UNIT SHUTDOWNS / REDUCTIONS BYRON (UNIT 2)

_Eh_

Date Iype liours Reason Method LER NumDRI System Component Cause & Corrective Action to Prevent Recurrence 7.

04/08/88 S A

5 FW 2C FW Pp 2C Feedwater Pump Low Pressure Governor Valve ocoo***********

Summary ooce***********

TYPE Eeason 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-Othe r (LER) File (NUREG-0161) i I

(0625M/0062M-12)

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