ML20154H678

Monthly Operating Repts for Sept 1998 for LaSalle County Nuclear Power Station,Units 1 & 2

ML20154H678
Person / Time
Site:	LaSalle
Issue date:	09/30/1998
From:	Shaun Anderson, Dacimo F COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9810140292
Download: ML20154H678 (8)

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Commonwealth 1kliwn Company

. lasalle Generating Marion 2G)] North 21st Road Marseilles, 11.61.41l 9757 Tel H I 5-3574i76I October 9,1998 United States Nuclear Regulatory Commission l Attention: Document Control Desk l l Washington, D.C. 20555 i

Subject:

Monthly Performance Report for September,1998 LaSalle County Nuclear Power Station, Units 1 and 2 '

Facility Operating License 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 September 1998.

If there are any questions or comments conceming this letter, please refer them to Perry L. Barnes, Regulatory Assurance Manager, at (815) 357-6761, extension 2383.

l Respectfully, p (.. -

Fred R. Dacimo Site Vice President LaSalle County Station l

Enclosure cc: J. L. Caldwell, Acting NRC Region lil Administrator M. P. Huber, NRC Senior Resident inspector - LaSalle i

Office of Nuclear Facility Safety - IDNS 9810140292 900930  ?

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A lfnicom Compan}'

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I LASALLE NUCLEAR POWER STATION I

UNIT 1 AND UNIT 2' MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY i

l NRC DOCKET NO. 050-373 NRC DOCKET NO. 050-374 LICENSE NO. NPF-11 LICENSE NO. NPF-18 l

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j. TABLE OF CONTENTS  !

i r I- Monthly Report for LaSalle Unit One *

- A. Operating Data Summary B. Unit Shutdowns and Operating Summary i- C. Unique Reporting Requirements  !

l 11. Monthly Report for LaSalle Unit Two  ;

l l A. Operating Data Summary  !

B. Unit Shutdowns and Operating Summary )

C. Unique Reporting Requirements '

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t l 1. Monthly Report for LaSalle Unit One--September,1998 A. OPERATING DATA

SUMMARY

FOR UNIT ONE DOCKET NO.: 050-373 UNIT: LaSalle One DATE: October 1,1998 COMPLETED BY: S. Anderson TELEPHONE: (815) 357-6761 x2620

1. Reporting Period: September,1998 Gross Hours: 720

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

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

Max Dependable Cap'a city: 1,036 (MWe-net)

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

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

5. Reactor Cntical Hours 720 1317.9 80,059.8

6. Reactor Reserve 0.0 0.0 1,641.2 Shutdown Hours

7. Hours Generator On- 720 1125.9 77,963.9 une

8. Unit Reserve 0.0 0.0 1.0 Shutdown Hours

9. Gross Thermal 2,387,780 3,316,220 231,915,809 Energy (MWHt)

10. Gross Electric Energy 811,715 1,105,920 77,556,404 (MWHe)

11. Net Electrical Energy 802,262 1,087,960 74,757,414 (MWHe)

12. Reactor Service 100.0 20.1 61.9 Factor (%)

13. Reactor Availability 100.0 20.1 63.2 Factor (%)

14, Unit Service Factor 100.0 17.2 60.3

(%)

15, Unit Availability 100.0 17.2 60.3 Factor

16. Unit Capacity Factor 107.6 16.0 55.8 (MDC)

17. Unit Capacity Factor 103.4 15.4 53.6 (design MWe)

18. Unit Forced Outage 0.0 82.8 14.5 Factor (%)

19. Shutdowns Scheduled Over Next 6 Months: Planned Surveillance Outage L1PO2, beginning l December 5,1998

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

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l B. UNIT SHUTDOWNS AND OPERATING

SUMMARY

( REPORT MONTH SEPTEMBER 1998 NO DATE TYPE (1) DURATION REASON METHOD OF CORRECTIVE ACTIONS /

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

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SUMMARY

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i Th3 Unit operated at 100% for the duration of September 1998 with the exception of a 5 hour5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> downpower for performance of scheduled surveillance testing.

I Ycar-to-date forced outage hours = 5,419.3 )

Cumulative forced outage hours = 13,227.8 i

TABLE KEY:

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F: Forced Method:

S: Scheduled 1. Manual

2. Manual Scram (2) 3. Automatic Scram i 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 1 G Operational Error (Explain)  !

H Other (Explain) l t

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C. UNIQUE REPORTING REQUIREMENTS FOR UNIT ONE

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

2. Major Changes to Radioactive Waste Treatment System-None

3. Off-Site Dose Calculation Manual Changes-None 1

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i II. Monthly Report for LaSalle Unit Two-September,1998

~ A. OPERATING DATA

SUMMARY

FOR UNIT TWO DOCKET NO.: 050-374 UNIT: LaSalle Two j DATE: October 1,1998 COMPLETED BY: S. Anderson TELEPHONE: (815) 357-6761 x2620  !

1. Reporting Period: September,1998 Gross Hours: 720 1

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

l Design Electrical Rating: 1,078 (MWe-net) l L Max Dependable Capacity: 1,036 (MWe-net)

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

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

5. - Reactor Critical Hours 0.0 0.0 77,028.4 l

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

9. Gross Thermal 0.0 0.0 230,522,687 )

Energy (MWHt)

10. Gross Electric Energy 0.0 0.0 77,175,924 i

(MWHe)

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

12. Reactor Service 0.0 0.0 63.0 Factor (%)

13. Reactor Availability 0.0 0.0 64.4 Factor (%)

14. Unit Service Factor 0.0 0.0 62.1

(%)

15. Unit Availability 0.0 0.0 62.1 Factor

16. Unit Capacity Factor 0.0 0.0 58.4 (MDC)

17. Unit Capacity Factor 0.0 0.0 56.1 1 (design MWe)

18. Unit Forced Outage 100.0 100.0 15.7 Factor (%)

19. Shutdowns Scheduled Over Next 6 Months: None

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

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,a B. UNIT SHUTDOWNS AND OPERATING

SUMMARY

REPORT MONTH SEPTEMBER 1998 NO DATE TYPE DURATION REASON (2) METHOD OF CORRECTIVE ACTIONS /

(1) (HOURS)* SHUTTING COMMENTS DOWN REACTOR (3) 07 98/01/01 F 6,551 D 2 Management re-reviewed the circumstances for the shutdown and determined that the outage would be reclassified as forced due to regulatory concerns.

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SUMMARY

Tha unit remained shutdown for the entire report period.

1 Yctr-to-date forced outage hours = 6,551 Cumulative forced outage hours = 14,183.3 TABLE KEY:

(1) (3)

! F: Forced Method:

S: Scheduled 1. Manual

2. Manual Scram (2) 3. Automatic Scram Reason: 4. Continuation i 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) 1 l

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I C. UNIQUE REPORTING REQUIREMENTS FOR UNIT TWO i

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

! 2 Major Changes to Radioactive Waste Treatment Systems-None .

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3. Off-Site Dose Calculation Manual Changes-None

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