ML20199E460
| ML20199E460 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 12/31/1998 |
| From: | Shaun Anderson, Jamie Benjamin COMMONWEALTH EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9901200427 | |
| Download: ML20199E460 (9) | |
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Commonwealth lihson Company laSalle Generating Station 2601 North 21st Road Marseilles,11. 61.4 i1-9757 Tel H15 35742761 January 15,1999 i
United States Nuclear Regulatory Commission Attention: Document Control Desk j
Washington, D.C. 20555 i
Subject:
Monthly Performance Report for December,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 i
Enclosed is the LaSalle County Station Monthly Performance Report for the month of December 1998.
Should you have any questions concerning this letter, please contact Perry L. Bames, Regulatory Assurance Manager, at (815) 357-6761, extension 2383.
Respectfully, A
~
C Jeffrey A. Benjamin Site Vice President LaSalle County Station Enclosure cc:
Regional Administrator-NRC Region 111 NRC Senior Resident inspector - LaSalle County Station I
9901200427 981231 DR ADOCK 05000373 PDR l
A Unicum Company M
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UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY l
l NRC DOCKET NO. 50-373 NRC DOCKET NO. 50-374 1
LICENSE NO. NPF-11 l
LICENSE NO NPF-18 1.
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TABLE OF CONTENTS
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Monthly Report for LaSalle Unit One l
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A. Operating Data Summary i
B. Unit Shutdowns and Operating Summary i
C. Unique Reporting Requirernents i
11.
Monthly Report for LaSalle Unit Two i
A. Operating Data Summary l
B. Unit Shutdowns and Operating Summary 1
C. Unique Reporting Requirements 3
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- 1. Monthly Report for LaSalle County Station Unit One-December,1998
- A. OPERATING DATA
SUMMARY
FOR UNIT ONE L
(
DOCKET NO.:
50-373
)
UNIT:
LaSalle One DATE:
January 5,1999 COMPLETED BY:
S. Anderson l'
TELEPHONE:
(815) 357-6761 x2620 -
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- 1. Reporting Period: December,1998 Gross Hours: 744 i
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- 2. Currently Authorized Power Level: 3,323 (MWt)
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Design Electrical Rating: 1,078 (MWe-net) i 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 599.1 3382.0 82,123.9 Hours 6.
Reactor Reserve 0.0 0.0 1,641.2 l
Shutdown Hours J
7.
Hours Generator On-584.7 3175.6 80,013.6 Line 8.
Unit Reserve 0.0 0.0 1.0 Shutdown Hours 9.
Gross Thermal 1,915,726 10,079,760 238,679,760 Energy (MWHt) 10.
Gross Electric Energy 646,336 3,411,767 79,862,251 (MWHe) 11.
Net Electrical Energy 629,263 3,336,672 77,006,126 (MWHe) 12.
Reactor Service 80.5 38.6 62.4 Factor (%)
13.
Reactor Availability 80.5 38.6 63.7 Factor (%)
14.
Unit Service Factor 78.6 36.3 60.8
(%)
15.
Unit Availability 78.6 36.3 60.8 l
Factor j
- 16. -
Unit Capacity Factor 81.6 36.8 56.5 (MDC) 17.
Unit Capacity Factor 78.5 35.3 54.3 (design MWe) 18.
Unit Forced Outage 0.0 63.0 14.2 i
l Factor (%)
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- 19. Shutdowns Scheduled Over Next 6 Months:
None 4
- 20. lf Shutdown at End of Report Period, Date of Startup: N/A 1
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l B. UNIT SHUTDOWNS AND OPERATING
SUMMARY
REPORT MONTH DECEMBER 1998 NO DATE TYPE (1)
DURATION REASON METHOD OF CORRECTIVE ACTIONS /
(HOURS)*
(2)
SHUTTING COMMENTS DOWN l
REACTOR (3) l 3
12/5/98 S
159.3 B
2 Planned Maintenance Outage L1PO2.
SUMMARY
l The Unit operated at 100% during December 1998 with the exception of a 6 day,15 hour1.736111e-4 days <br />0.00417 hours <br />2.480159e-5 weeks <br />5.7075e-6 months <br /> maintenance outage, which included a 5 hour5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> coastdown and 40 hour4.62963e-4 days <br />0.0111 hours <br />6.613757e-5 weeks <br />1.522e-5 months <br /> ascension to full power.
Year-to-date forced outage hours = 5,419.3 Cumulative forced outage hours = 13,227.8 l
TABLE KEY:
(1)
(3)
F: Forced Method:
S: Scheduled
- 1. Manual
- 2. Manual Scram l
(2)
- 3. Automatic Scram Rg.gs.gn:
- 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) l l
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- ,, c 1 C. UNIQUE REPORTING REQUIREMENTS FOR UNIT ONE 1.1 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
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- II, Monthly Report for LaSalle County Station Unit Two-December,1998 A. OPERATING DATA
SUMMARY
FOR UNIT TWO DOCKET NO.:
50-374 UNIT:
LaSalle Two DATE:
January 5,1999 COMPLETED BY:
S.Andemon TELEPHONE:
(815) 357-6761 x2620
- 1. Reporting Period: December,1998 Gross Hours: 744
- 2. Cerrently 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 l
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 (MWHe) 11.
Net Electrical Energy 0.0 0.0 73,973,643 (MWHe) 4 12.
Reactor Service 0.0 0.0 61.9 Factor (%)
13.
Reactor Availability 0.0 0.0 63.2 Factor (%)
14.
Unit Service Factor 0.0 0.0 61.0
(%)
15.
Unit Availability 0.0 0.0 61.0 Factor 16.
Unit Capacity Factor 0.0 0.0 57.3 (MDC) 17.
Unit Capacity Factor 0.0 0.0 55.1 (design MWe) 18.
Unit Forced Outage 100.0 100.0 17.7 Factor (%)
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- 19. Shutdowns Scheduled Over Next 6 Months: None
- 20. If Shutdown at End of Report Period, Date of Startup: May 16,1999 h
t B. UNIT SHUTDOWNS AND OPERATING
SUMMARY
REPORT MONTH DECEMBER 1998 NO DATE TYPE DURATION REASON (2)
METHOD OF CORRECTIVE ACTIONS /
(1)
(HOURS)*
SHUTTING COMMENTS DOWN REACTOR (3) 07 98/01/01 F
8,760 D
2 Management re-reviewed the circumstances for the shutdown and determined that the outage would be reclassified as forced due to regulatory concems.
SUMM/.RY:
Th3 unit remained shutdown for the entire report period.
Ycir-to-date forced outage hours = 8,760 Cumulative forced outage hours = 16,392.3 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 4
D Regulatory Restriction E Operator / Licensing Exam F Administrative G Operational Error (Explain) l H Other (Explain) i 1
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- C. UNIQUE REPORTING REQUIREMENTS FOR UNIT 1WO
- 1. l Challenges other than routine surveillance testing to Safety / Relief Valve Operations--None
- 2. Major Changes to Radioactive Waste Treatment Systems--None h
- 3. Off-Site Dose Calculation Manual Changes--None l
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