ML041110870
| ML041110870 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 04/13/2004 |
| From: | Bryan Hanson Exelon Nuclear |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML041110870 (4) | |
Text
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Exelon Nuclear Limerick Generating Station www.exeloncorp.com Nuclear PO. Box 2300 Pottstown, PA 19464 T.S. 6.9.1.6 April 13, 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 March 2004 Attached is the monthly operating report for Limerick Units 1 and 2 for the month of March 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 March 2004 for Units 1 and 2.
If you have any questions or require additional information, please do not hesitate to contact us.
Sincerely, Bryan C. Hanson Plant Manager-LGS Attachments cc: H. Miller, Administrator, Region I, USNRC A. Burritt, LGS USNRC Senior Resident Inspector
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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: 4/13/04 Completed by: Greg Lee Telephone: (610) 718-3707 A. OPERATING DATA REPORT REPORTING PERIOD-March 2004 l Design Electrical Rating (MWe-Net) l 1191.00l Maximum Dependable Capacity (MWe-Net) 1134.00 Month Year to Date Cumulative Hours Reactor Critical (Hours) 349.17 1,789.17 140,355.64 Hours Generator On-Line (Hours) 305.38 1,745.38 138,326.58 Unit Reserve Shutdown Hours (Hours) 0.00 0.00 0.00 Net Electrical Energy (MWh) 306,088.00 1,897,002.00 143,723,291.00 B. UNIT SHUTDOWN No. Date Type Generator Reason Method Corrective Actions/Comments (yymmdd) Off-line Duration (hrs) 1 040301 S 438.62 C j1iR10 Refuel Outage
SUMMARY
Unit 1 began the month of March 2004 at 90.6% of rated thermal power (RTP). The unit operated at less than 100% power on March 1 in end-of-cycle coastdown until the beginning of 1R1 0 outage.
On March 15sat 1406 hours0.0163 days <br />0.391 hours <br />0.00232 weeks <br />5.34983e-4 months <br />, the main turbine was manually tripped at 21.5% RTP. At 1415 hours0.0164 days <br />0.393 hours <br />0.00234 weeks <br />5.384075e-4 months <br />, the reactor was manually scrammed at 23.6% RTP for the refueling outage.
On March 1 8 n at 0105 hours0.00122 days <br />0.0292 hours <br />1.736111e-4 weeks <br />3.99525e-5 months <br />, reactor criticality was achieved.
On March 19tn at 1445 hours0.0167 days <br />0.401 hours <br />0.00239 weeks <br />5.498225e-4 months <br />, the main generator was synchronized to the grid at 21.5% RTP. At 1802 hours0.0209 days <br />0.501 hours <br />0.00298 weeks <br />6.85661e-4 months <br />, the main generator was tripped at 21.4% RTP for voltage regulator and overspeed testing. At 2043 hours0.0236 days <br />0.568 hours <br />0.00338 weeks <br />7.773615e-4 months <br />, the main generator was resynchronized to the grid at 21.5% RTP.
On March 22n at 1607 hours0.0186 days <br />0.446 hours <br />0.00266 weeks <br />6.114635e-4 months <br />, reactor power was restored tol 00% RTP.
On March 2 3ra at 2202 hours0.0255 days <br />0.612 hours <br />0.00364 weeks <br />8.37861e-4 months <br />, reactor power was reduced from 99.5% to 53.4% RTP for rod pattern adjustment and SJAE swap.
On March 2 4Cn at 1226 hours0.0142 days <br />0.341 hours <br />0.00203 weeks <br />4.66493e-4 months <br />, reactor power was restored to 99.6% RTP.
On March 26 n at 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br />, reactor power was reduced from 99.7% to 72.9% RTP for rod pattern adjustment.
On March 27 n at 0435 hours0.00503 days <br />0.121 hours <br />7.19246e-4 weeks <br />1.655175e-4 months <br />, reactor power was restored to 100.0% RTP.
Unit 1 ended the month of March 2004 at 100.0% 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 l Date l Valves Actuated l No. & Type of Actuation l Plant Condition l Description of Event I None During March 2004 1 l
Unit: Limerick 2 Docket No: 50-353 Date: 4/13/04 Completed by: Greg Lee Telenhone: (610) 718-3707 C. SAFETY/RELIEF VALVE OPERATION I Date I Valves Actuated I No. & Type of Actuation I Plant Condition I Description of Event I I I None During March 2004 1 1