ML042890213
| ML042890213 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 10/15/2004 |
| From: | Bryan Hanson Exelon Nuclear |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| IE24 | |
| References | |
| GL-97-002 | |
| Download: ML042890213 (4) | |
Text
T.S. 6.9.1.6 October 15, 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 September 2004 Attached is the monthly operating report for Limerick Units 1 and 2 for the month of September 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 September 2004 for Units 1 and 2.
If you have any questions or require additional information, please do not hesitate to contact us.
Sincerely, Original signed by Bryan C. Hanson Bryan C. Hanson Plant Manager-LGS Attachments cc:
S. Collins, Administrator, Region I, USNRC S. Hansell, LGS USNRC Senior Resident Inspector
Unit:
Limerick 1 Docket No:
50-352 Date:
10/15/04 Completed by: Greg Lee Telephone:
(610) 718-3707 A.
OPERATING DATA REPORT REPORTING PERIOD-September 2004 Design Electrical Rating (MWe-Net) 1191.00 Maximum Dependable Capacity (MWe-Net) 1134.00 Month Year to Date Cumulative Hours Reactor Critical (Hours) 720.00 6,180.17 144,746.64 Hours Generator On-Line (Hours) 720.00 6,136.38 142,717.58 Unit Reserve Shutdown Hours (Hours) 0.00 0.00 0.00 Net Electrical Energy (MWh) 823,001.00 6,952,178.00 148,778,467.00 B.
UNIT SHUTDOWN No.
Date (yymmdd)
Type Generator Off-line Duration (hrs)
Reason Method Corrective Actions/Comments None during September 2004
SUMMARY
Unit 1 began the month of September 2004 at 100% of rated thermal power (RTP).
On September 9th at 22:06 hours, reactor power was reduced from 99.9% RTP to 99.3% RTP for scram time testing.
On September 10th at 01:00 hours, reactor power was restored to 99.8% RTP. At 22:02 hours, reactor power was reduced from 99.9% RTP to 66.6% RTP for the post summer readiness load drop.
On September 11th at 23:06 hours, reactor power was restored to 99.9% RTP.
On September 15th at 16:11 hours, reactor power was reduced from 99.9% RTP to 98.0% RTP to investigate a potential reactor overpower condition.
On September 16th at 12:17 hours, ENS 41043 was submitted to NRC concerning the overpower event on Unit
- 1.
On September 20th at 02:39 hours, reactor power was restored to 99.9% RTP.
Unit 1 ended the month of September 2004 at 100% 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 None During September 2004
Unit:
Limerick 2 Docket No:
50-353 Date:
10/15/04 Completed by: Greg Lee Telephone:
(610) 718-3707 A. OPERATING DATA REPORT REPORTING PERIOD-September 2004 Design Electrical Rating (MWe-Net) 1191.00 Maximum Dependable Capacity (MWe-Net) 1134.00 Month Year to Date Cumulative Hours Reactor Critical (Hours) 720.00 6,544.13 120,994.23 Hours Generator On-Line (Hours) 720.00 6,525.02 119,212.74 Unit Reserve Shutdown Hours (Hours) 0.00 0.00 0.00 Net Electrical Energy (MWh) 755,828.00 7,412,197.00 128,433,563.00 B. UNIT SHUTDOWN No.
Date (yymmdd)
Type Generator Off-line Duration (hrs)
Reason Method Corrective Actions/Comments None During September 2004
SUMMARY
Unit 2 began the month of September 2004 at 100% of rated thermal power (RTP).
On September 2nd at 22:16 hours, reactor power was reduced from 99.9% RTP to 99.4% RTP for scram time testing.
On September 3rd at 04:54 hours, reactor power was restored to 99.9% RTP. At 22:02 hours, reactor power was reduced from 100% RTP to 64.0% RTP for the post summer readiness load drop.
On September 5th at 23:07 hours, reactor power was restored to 99.9% RTP.
On September 6th at 01:30 hours, reactor power was reduced from 99.9% RTP to 97.6% RTP for maintenance on the 2B Recirculation Pump MG Set. At 09:42 hours, reactor power was restored to 100%
RTP. At 23:00 hours, reactor power was reduced from 99.9% RTP to 97.1% RTP for maintenance on the 2B Recirculation Pump MG Set. At 23:45 hours, reactor power was restored to 99.9% RTP.
On September 12th at 09:58 hours, reactor power was reduced from 99.9% RTP to 98.7% RTP for maintenance on the 2B Recirculation Pump MG Set. At 13:13 hours, reactor power was restored to 100%
RTP.
On September 13th at 19:42 hours, reactor power was reduced from 99.7% RTP to 98.7% RTP for maintenance on the 2B Recirculation Pump MG Set. At 21:54 hours, reactor power was restored to 100%
RTP.
On September 16th at 22:00 hours, reactor power was reduced from 99.8% RTP to 89.1% RTP for rod pattern adjustment.
On September 17th at 02:33 hours, reactor power was restored to 99.8% RTP.
On September 22nd at 00:46 hours, reactor power was reduced from 99.9% RTP to 98.3% RTP for maintenance on the 2B Recirculation Pump MG Set. At 03:13 hours, reactor power was restored to 100%
RTP.
On September 24th at 09:59 hours, reactor power was reduced from 99.5% RTP to 97.6% RTP for maintenance of the 2B Recirculation Pump MG Set. At 13:23 hours, reactor power was reduced from 97.6%
RTP to 65.5% RTP for 5A Feedwater Heater maintenance.
Unit 2 ended the month of September 2004 at 98.3% RTP as a result of the 5A Feedwater Heater maintenance power ascension.
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 None During September 2004