ML20248M310

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

ML20248M310
Person / Time
Site:	LaSalle
Issue date:	05/31/1998
From:	Shaun Anderson, Dacimo F COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9806150280
Download: ML20248M310 (9)

Text

-.-_._-_-_._ _-_ _ _ ___ _ _

Commonu calth Illison Company lealle Generating Station t

g

. 4-2601 North 21st Road Marseilles, 11.61341-9757 Tel HI 5-3574C61

~

June 12,1998 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555

Subject:

Monthly Performance Report for May 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 May 1998.

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

Respectfully, Y

l Fred R. Dacimo Site Vice President LaSalle County Station Enclosure

^L cc:

C. A. Paperiello, Acting NRC Region Ill Administrator M. P. Huber, NRC Senior Resident inspector - LaSalle D. M. Skay, Project Manager - NRR - LaSalle F. Niziolek, Office of Nuclear Facility Safety - IDNS n

vvv"O D. Hills, NRC Region ill - Acting Branch Chief l

C. H. Mathews, IDNS Resident inspector - LaSalle D. Deppa, IDNS Reactor Safety - Springfield A. Jenkins, GE Representative - LaSalle D. L. Farrar, Nuclear Regulatory Services Manager INPO - Records Center l-9906150200 990531 i

PDR ADOCK 05000373 l

R PM A (!nicum Company L___-___.-_______.-

(

t LASALLE NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-373 NRC DOCKET NO. 050-374 LICENSE NO. NPF-11 a

I LICENSE NO. NPF-18 f-I i

l TABLE OF CONTENTS l.

Monthly Report for LaSalle Unit One A. Operating Data Summary B. Unit Shutdowns and Operating Summary C. Unique Reporting Requirements ll.

Monthly Report for LaSalle Unit Two A. 'Opvrating' Data ~ Summary B. Unit Shutdowns and Operating Summary C. Unique Reporting Requirements I

-__-..-____..________-___m_m___________--_.._

44 L Monthly Report for LaSalle Unit One-May,1998 A. QPERATING DATA

SUMMARY

FOR UNIT ONE DOCKET NO.:

050-373-UNIT:

LaSalle One DATE:

06/02/98 COMPLETED BY:

S. Anderson

' TF.LEPHONE:

(815)357-6761 x2620

1. Reporting Period: May,1998 Gross Hours: 744

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

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

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

3. Power LevelTo Which Restricted (if Any): None

4. Reasons For Restriction (If Any): N/A THIS MONTH YEAR-TO-DATE CUMULATIVE 5.

Reactor Critical Hours 0.0 0.0 78,741.9 6.

Reactor Reserve 0.0 0.0 1,641.2 Shutdown Hours 7.

Hours Generator On-0.0 0.0 76,838.0 Une 8.

Unit Reserve 0.0 0.0 1.0 Sholdown Hours 9.

Gross Therrnal 0.0 0.0 228,599,589 Energy (MWHt) 10.

Gross Electric Energy 0.0 0.0 76,450,484 (MWHe) 11.

Net Electrical Energy 0.0 0.0 73,669,454 (MWHe) 12.

Reactor Service 0.0 0.0 62.3 Factor (%)

13.

Reactor Availability 0.0 0.0 63.6 Factor (%)

14.

Unit Service Factor 0.0 0.0 60.8

(%)

15.

Unit Availability 0.0 0.0 60.8 j

Factor i

16.

Unit Capacity Factor 0.0 0.0 56.3 (MDC) 17.

Unit Capacity Factor 0.0 0.0 54.1 (design MWe) 18.

Unit Forced Outage 100.0 100.0 13.0 i

Factor (%)

19. Shutdowns Scheduled Over Next 6 Months: None

20. If Shutdown at End of Report Period, Date of Startup: 07/28/98

B. UNIT SHUTDOWNS AND OPERATING

SUMMARY

REPORT MONTH MAY 1998 i

NO DATE TYPE (1)

DURATION REASON METHOD OF CORRECTIVE ACTIONS /

(HOURS)*

(2)

SHUTTING COMMENTS DOWN REACTOR (3) 06 98/01/01 F

3623 D

2 Management re-reviewed the l

circumstances for the shutdown

]

and determined that the outage would be reclassified as forced due to regulatory concerns.

SUMMARY

Th3 unit remained shutdown for the entire report period.

4 Year-to-date forced outage hours = 3623 Cumulative forced outage hours = 11,431.5 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 Refue!ing D Pegulatory Restriction E Operator / Licensing Exam F Administrative G Operational Error (Explain)

H Other (Explain)

C. UNIQUE REPORTING REQUIREMENTS FOR UNIT ONE

1. Challenges other than routine surveillance testing to Safety / Relief Va!ve Operations-None l

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

3. Off-Site Dose Calculation Manual Changes-None

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

SUMMARY

FOR UNIT TWO DOCKET NO.:

050-374 UNIT:

LaSalle Two DATE:

06/02/98 COMPLETED BY:

S. Anderson TELEPHONE:

(815)357-6761 x2620

1. Reporting Period: May,.1998. Gross Hours:_744

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 Hours 0.0 0.0 77,028.4 6.

Reactor Heserve 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 g,

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) 12.

Reactor Service 0.0 0.0 64.5 Factor (%)

13.

Reactor Availability 0.0 0.0 66.0 Factor (%)_

14.

Unit Service Factor 0.0 0.0 63.6

(%)

15.

Unit Availability 0.0 0.0 6'd.6 Factor 16.

Unit Capacity Factor 0.0 0.0 59.8 (MDC) 17.

Unit Capacity Factor 0.0 0.0 57.5 (desian MWe) 18.

Unit Forced Outage 100.0 100.0 12.9 Factor (%)

19. Shutdowns Scheduled Over Next 6 Months: None

20. If Shetdown at End of Report Period, Date of Startup: To be determined

B. UNIT SHUTDOWNS AND OPERATING

SUMMARY

REPORT MONTH MAY 1998 NO DATE TYPE DURATION REASON (2)

METHOD OF CORRECTIVE ACTIONS /

(1)

(HOURS)*

SHUTTING COMMENTS DOWN REACTOR (3) 07 98/01/01 F

3623 D

2 Management re-reviewed the circumstances for the shutdown and. determined that the outage would be reclassified as forced due to regulatory concerns.

SUMMARY

Th3 unit remained shutdown for the entire report pe lod.

Ycar-to-date forced outage hours = 3623 Cumulative forced outage hours = 11,255.3 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 D Regulatory Restriction E Operator / Licensing Exam F Administrative G Operational Error (Explain)

H Other (Explain) 1

o.

l

. C UbilOUE-REPORTING REQUIREMENTS FOR UNIT TWO

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

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

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