ML20195D319

Monthly Operating Repts for Oct 1998 for LaSalle County Station.With 981109 Ltr

ML20195D319
Person / Time
Site:	LaSalle
Issue date:	10/31/1998
From:	Shaun Anderson, Dacimo F COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9811170341
Download: ML20195D319 (9)

Text

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Corntnonwealth Edhon Company g lasalle Generating $tation 2601 North 2ist Road

%1arseilles, 11.61311-9757 Tel HI 5-3574i761 Comed November 9,1998 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555

Subject:

Monthly Performance Report for October,1998 LaSalle County Station, Units 1 and 2 Facility Operating License Nos. NPF-11 and NPF-18 NRC Docket Nos. 50-373 and 50-374 Enclosed is the LaSalle County Station Monthly Performance Report for the month of October 1998.

Should you have any questions concerning this letter, please contact Perry L. Barnes, Regulatory Assurance Manager, at (815) 357-6761, extension 2383.

Respectfully, e

Fred R. Dacimo Site Vice President LaSalle County Station Enclosure ggQLf '

cc: J. L. Caldwell, Acting NRC Region 111 Administrator M. P. Huber, NRC Senior Resident inspector - LaSalle Office of Nuclear Facility Safety - lDNS 9811170341 981'031 PDR ADOCK 05000373 R PDR ,,

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• LASALLE COUNTY STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 50-373 NRC DOCKET NO. 50-374 LICENSE NO. NPF-11 LICENSE NO. NPF-18 l

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( TABLE OF CONTENTS ,

i l, Monthly Report for LaSalle Unit One  !

A. Operating Data Summary.

B, Unit Shutdowns and Operating Summary E

C, Unique Reporting Requirements l

II. . Menthly Report for LaSalle Unit Two A. Operating Data Summary B.' Unit Shutdowns and Operating Summary l C, Unique Reporting Requirements - i i

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l. Monthly Report for LaSalle Unit One-October,1998 A. OPERATING DATA

SUMMARY

FOR UNIT ONE I I

DOCKET NO.: 50 373 UNIT: LaSalle One DATE: November 2,1998 COMPLETED BY: S. Anderson TELEPHONE: (815) 357-6761 x2620

1. Reporting Period: October,1998 Gross Hours: 745 I

2. Currently Authorized Power Level: 3,323 (MWt)

Design Electrical Rating: 1,078 (MWe-net) '

Max Dependable Capacity: 1,036 (MWe-net)

3. Power Level To Which Restricted (if Any): None

4. Reasons For Restriction (if Any): N/A l THIS MONTH YEAR-TO-DATE CUMULATIVE

5. Reactor Critical 745 2062.9 80,804.8 Hours

6. Reactor Reserve 0.0 0.0 1,641.2 Shutdown Hours

7. Hours Generator On- 745 1870.9 78,708.9 Line i

8. Unit Reserve 0.0 0.0 1.0 Shutdown Hours

9. Gross Thermal 2,461,220 5,777,440 234,377,029 Energy (MWHt)

10. Gross Electric Energy 842,212 1,948,132 78,398,616 (MWHa)

11. Net Electrical Energy 823,012 1,910,972 75,580,426 (MWHe)

12. Reactor Service 100.0 28.3 62.1 Factor (%)

13. Reactor Availability 100.0 28.3 63.4 Factor (%)

14. Unit Service Factor 100.0 25.6 60.5

(%)

15. Unit Availability 100.0 25.6 60.5 Factor

16. Unit Capacity Factor 106.6 25.3 56.1 (MDC)

17. Unit Capacity Factor 102.5 24.3 53.9 (design MWe)

18. Unit Forced Outage 0.0 74.3 14.4 Factor (%)

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19. Shutdowns Scheduled Over Next 6 Months: Planned Surveillance Outage L1 PO2, beginning December 5,1998

20. If Shutdown at End of Report Period, Date of Startup: N/A i

B. UNIT SHUTDOWNS AND OPERATING

SUMMARY

l REPORT MONTH OCTOBER 1998 l

l NO. DATE TYPE (1) DURATION REASON METHOD OF CORRECTIVE ACTIONS!

(HOURS)* (2) SHUTTING COMMENTS DOWN REACTOR (3) l Nons

SUMMARY

} The Unit operated at 100% for the duration of October 1998 with the exception of two downpowers October 4* and 11 for performance of control rod pattern adjustments and scheduled surveillance testing.

Year-to-date forced outage hours = 5,419.3 Cumulative forced outage hours = 13,227.8 TABLE KEY:

(1) (3)

F: Forced Method:

S: Scheduled 1. Manual ,

2. Manual Scram (2) 3. Automatic Scram Reason: 4. Continuation l A Equipment Failure (Explain) 5. Other (Explain) l l- B Maintenance or Test  ;

1 C Refueling  !

D Regulatory Restriction  !

E Operator / Licensing Exam F Administrative G Operational Error (Explain) l H Other (Explain) 1 I.

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' O. UNIQUE REPORTING REQUIREMENTS FOR UNIT ONE

1. Challenges other than routine surveillance testing to Safety / Relief Valve Operations None a

2. Major Changes to Radioactive Waste Treatment System- None j l

3. Off Site Dose Calculation Manual Changes--None i

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11. Monthly Report for LaSalle Unit Two-October,1998 A. OPERATING DATA

SUMMARY

FOR UNIT TWO DOCKET NO.: 50-374 UNIT: LaSalle Two DATE: November 2,1998 COMPLETED BY: S.Andemon TELEPHONE: (815) 357-6761 x2620

1. Reporting Period: October,1998 Gross Hours: 745

2. Currently Authorized Power Level: 3,323 (MWt)

Design Electrical Rating: 1,078 (MWe-net)

Max Dependable Capacity: 1,036 (MWe-net)

3. Power Level To Which Restricted (If Any): None

4. Reasons For Restriction (if Any): N/A THIS MONTH YEAR-TO-DATE CUMULATIVE

5. Reactor Critical 0.0 0.0 77,028.4 Hours

6. Reactor Reserve 0.0 0.0 1,716.9 Shutdown Hours

7. Hours Generator On- 0.0 0.0 75,970.2 Line

8. Unit Reserve 0.0 0.0 0.0 Shutdown Hours

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9 Gross Thermal Energy (MWHt) 0.0 0.0 230,522,687

10. Gross Electric Energy 0.0 0.0 77,175,924 (MWHe)'

11. Net Electrical Energy 0.0 0.0 73,973,643 (MWHe)

12. Reactor Service 0.0 0.0 62.6 Factor (%)

13. Reactor Availability 0.0 0.0 64.0 Factor (%)

14. Unit Service Factor 0.0 0.0 61.7

(%)

15. Unit Availability 0.0 0.0 61.7 Factor

16. Unit Capacity Factor 0.0 0.0 58.0 (MDC)

17. Unit Capacity Factor 0.0 0.0 55.8 (design MWe)

18. Unit Forced Outage 100.0 100.0 16.4 Factor (%)

L 19. Shutdowns Scheduled Over Next 6 Months: None

20. If Shutdown at End of Report Period, Date of Startup: March 28,1999 l.

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[ B. UNIT SHUTDOWNS AND OPERATING

SUMMARY

REPORT MONTH OCTOBER 1998 l

l NO DATE TYPE DURATION REASON (2) METHOD OF CORRECTIVE AGl :'NS/

l (1) (HOURS)* SHUTTING COMMENTS DOWN REACTOR (3) 07 98/01/01 F 7,296 D 2 Management re-reviewed the circumstances for the shutdown and determined that the outage would be reclassified as forced due to regulatory concems.

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SUMMARY

The unit remained shutdown for the entire report period.

Ycar-to-date forced outage hours = 7,296 Cumulative forced outage hours = 14,928.3 j

TABLE KEY:

(1) (3)

F: Forced Method:

S: Scheduled 1. Manual

2. Manual Scram (2) 3. Automatic Scram  :

Reason: 4. Continuation A Equipment Failure (Explain) 5. Other (Explain)

B Maintenance or Test C Refueling D Regulatory Restriction E Operator / Licensing Exam F Administrative G Operational Error (Explain)

H Other (Explain)

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C, UNIQUE REPORTING REQUIREMENTS FOR UNIT TWO 1 Challenges other than routine surveillance testing to Safety / Relief Valve Operations None 1: - 2. Major Changes to Radioactive Waste Treatment Systems--None '

3. Off Site Dose Calculation Manual Changes--None  !

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