ML040490523

January 2004 Monthly Operating Report for Limerick Generating Station, Units 1 and 2

ML040490523
Person / Time
Site:	Limerick
Issue date:	02/10/2004
From:	Bryan Hanson Exelon Nuclear
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML040490523 (4)

Text

ExeknmSM Exelon Nuclear Limerick Generating Station P.O. Box 2300 Pottstown, PA 19464 www.exeloncorp.com Nuclear T.S. 6.9.1.6 February 10, 2004 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 Limerick Generating Station, Units 1 and 2 Facility Operating License Nos. NPF-39 and NPF-85 NRC Docket Nos. 50-352 and 50-353

Subject:

Monthly Operating Report for January 2004 Attached is the monthly operating report for Limerick Units 1 and 2 for the month of January 2004 forwarded pursuant to Technical Specification 6.9.1.6 and the guidance of NRC Generic Letter 97-02. The attached monthly operating report data has also been entered into the INPO Consolidated Database for the month of January 2004 for Units 1 and 2.

If you have any questions or require additional information, please do not hesitate to contact us.

Sincerely, ryan C. Hanson Plant Manager-LGS Attachments cc:

H. Miller, Administrator, Region I, USNRC A. Burritt, LGS USNRC Senior Resident Inspector I- -7I-Ov"

bcc:

R. DeGregorio - GML 5-1 B. Hanson - GML 5-1 C. Mudrick - SSB 3-1 E. Kelly - SSB 3-1 K. Kemper - SSB 2-4 S. Gamble - SSB 2-4 R. McCall - SSB 2-3 J. Toro - SMB 1-2 G. Lee - SSB 3-1 J. Grimes - KSA 2N D. Dyckman (PABRP) SSB 2-4

Unit:

Limerick 1 Docket No:

50-352 Date:

2/10/04 Completed by: Greg Lee Telephone:

(610) 718-3707 A.

OPERATING DATA REPORT REPORTING PERIOD-January 2004 Design Electrical Rating (MWe-Net)l 1191.00 l

Maximum Dependable Capacit MWe-Net) 1134.00l Month Year to Date Cumulative Hours Reactor Critical (Hours) 744.00 744.00 139,310.47 Hours Generator On-Line (Hours) 744.00 744.00 137,325.20 Unit Reserve Shutdown Hours (Hours) 0.00 0.00 0.00 Net Electrical Energy (MWh) 862,223.00 862,223.00 142,688,512.00 B.

UNIT SHUTDOWN No.

Date Type Generator Reason Method Corrective Actions/Comments (yymmdd)

Off-line Duration (hrs)

None During-l____

January 2004

SUMMARY

Unit 1 began the month of January 2004 at 100.0% of rated thermal power (RTP). Throughout the month, unless specified below, when the unit operated less than 100% RTP, it was due to end-of-cycle coastdown.

On January 2nd at 2201 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.374805e-4 months <br />, reactor power was reduced from 99.9% RTP to 87.4% RTP for scram time &

channel bow testing.

On January 4"' at 1013 hours0.0117 days <br />0.281 hours <br />0.00167 weeks <br />3.854465e-4 months <br />, reactor power was restored to 98.6% RTP.

On January 6In at 1406 hours0.0163 days <br />0.391 hours <br />0.00232 weeks <br />5.34983e-4 months <br />, reactor power was reduced from 97.8% RTP to 94.7% RTP to remove the 6A feedwater heater from service. At 1556 hours0.018 days <br />0.432 hours <br />0.00257 weeks <br />5.92058e-4 months <br />, reactor power was restored to 99.9% RTP.

On January 13In at 1331 hours0.0154 days <br />0.37 hours <br />0.0022 weeks <br />5.064455e-4 months <br />, reactor power was reduced from 98.5% RTP to 94.6% RTP to remove the 6B feedwater heater from service. At 1445 hours0.0167 days <br />0.401 hours <br />0.00239 weeks <br />5.498225e-4 months <br />, reactor power was restored to 100.0% RTP.

On January 14En at 0247 hours0.00286 days <br />0.0686 hours <br />4.083995e-4 weeks <br />9.39835e-5 months <br />, reactor power was reduced from 99.5% RTP to 97.3% RTP to reset scoop tube lockup on the 1 B recirc pump. At 0406 hours0.0047 days <br />0.113 hours <br />6.712963e-4 weeks <br />1.54483e-4 months <br />, reactor power was restored to 99.6% RTP.

On January 17m at 1322 hours0.0153 days <br />0.367 hours <br />0.00219 weeks <br />5.03021e-4 months <br />, reactor power was reduced from 99.5% RTP to 97.4% RTP to reset scoop tube lockup on the 1 A recirc pump. At 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br />, reactor power was restored to 99.4% RTP.

On January 20u at 1347 hours0.0156 days <br />0.374 hours <br />0.00223 weeks <br />5.125335e-4 months <br />, reactor power was reduced from 98.6% RTP to 94.9% RTP to remove the 6C feedwater heater from service. At 1500 hours0.0174 days <br />0.417 hours <br />0.00248 weeks <br />5.7075e-4 months <br />, reactor power was restored to 99.7% RTP.

On January 27"' at 1403 hours0.0162 days <br />0.39 hours <br />0.00232 weeks <br />5.338415e-4 months <br />, reactor power was reduced from 99.1% RTP to 94.1% RTP to remove the 5A feedwater heater from service. At 1528 hours0.0177 days <br />0.424 hours <br />0.00253 weeks <br />5.81404e-4 months <br />, reactor power was restored to 99.9% RTP.

On January 30,n at 2254 hours0.0261 days <br />0.626 hours <br />0.00373 weeks <br />8.57647e-4 months <br />, reactor power was reduced from 99.5% RTP to 98.3% RTP for channel bow testina.

-I.

On January 31 U. at 0039 hours4.513889e-4 days <br />0.0108 hours <br />6.448413e-5 weeks <br />1.48395e-5 months <br />, reactor power was restored to-9940 RTP.

Unit 1 ended the month of January 2004 at 99.3% RTP.

Type Reason Method F-Forced A-Equipment Failure (Explain) 1-Manual S-Scheduled B-Maintenance or Test 2-Manual Trip/Scram C-Refueling 3-Automatic Trip/Scram D-Regulatory Restriction 4-Continuation E-Operator Training/License Examination 5-Other (Explain)

F-Administrative G-Operational Error (Explain)

H-Other (Explain)

C.

SAFETY/RELIEF VALVE OPERATION Date Valves Actuated No. & Type of Actuation Plant Condition Description of Event I

I T 2None During January

Unit:

Docket No:

Date:

Completed by:

Telephone:

A.

OPERATING DATA REPORT REPORTING PERIOD-January 2004 l Design Electrical Rating (MWe-Net) 11191.00 l

Maximum Dependable Capacity (MWe-Net) l 1134.00 Limerick 2 50-353 2/10/04 Greg Lee (610)718-3707 Month Year to Date Cumulative Hours Reactor Critical (Hours) 744.00 744.00 115,194.10 Hours Generator On-Line (Hours) 744.00 744.00 113,431.72 Unit Reserve Shutdown Hours (Hours) 0.00 0.00 0.00 Net Electrical Energy (MWh) 868,622.00 868,622.00 121,889,988.00 B. UNIT SHUTDOWN

-No. _

. Date__

I Type Generator Reason Method Corrective Actions/Comments (yyrnmdd)

Off-line Duration (hrs)

None during January 2004 1

SUMMARY

Unit 2 began the month of January 2004 at 99.9% of rated thermal power (RTP).

On January 8u at 2206 hours0.0255 days <br />0.613 hours <br />0.00365 weeks <br />8.39383e-4 months <br />, reactor power was reduced from 99.9% RTP to 98.5% RTP for scram time testing.

On January 9u at 0325 hours0.00376 days <br />0.0903 hours <br />5.373677e-4 weeks <br />1.236625e-4 months <br />, reactor power was restored to 99.7% RTP. At 2204 hours0.0255 days <br />0.612 hours <br />0.00364 weeks <br />8.38622e-4 months <br />, reactor power was reduced from 99.9% RTP to 58.4% RTP for rod pattern adjustment, scram time & channel bow testing.

On January 12'n at 0128 hours0.00148 days <br />0.0356 hours <br />2.116402e-4 weeks <br />4.8704e-5 months <br />, reactor power was restored to 99.5% RTP.

Unit 2 ended the month of January 2004 at 99.9%. RTP.

Type F-Forced S-Scheduled Reason Method A-Equipment Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Trip/Scram C-Refueling 3-Automatic Trip/Scram D-Regulatory Restriction 4-Continuation E-Operator Training/License Examination 5-Other (Explain)

F-Administrative G-Operational Error (Explain)

H-Other (Explain)

C. SAFETY/RELIEF VALVE OPERATION Date Valves Actuated I No. & Type of Actuation Plant Condition Description of Event None During January I