ML031420533
| ML031420533 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 05/15/2003 |
| From: | Bryan Hanson Exelon Nuclear |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| GL-97-002 | |
| Download: ML031420533 (3) | |
Text
Exek u5nm Exelon Nuclear Limerick Generating Station P.O. Box 2300 Pottstown, PA 19464 www.exeloncorp.com Nuclear T.S. 6.9.1.6 May 15, 2003 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 April 2003 Attached is the monthly operating report for Limerick Units 1 and 2 for the month of April 2003 forwarded pursuant to Technical Specification 6.9.1.6 and the guidance of NRC Generic Letter 97-02.
If you have any questions or require additional information, please do not hesitate to contact us.
Sincerely, Bryan C. Hanson Plant Manager
-Attachments cc:
H. Miller, Administrator, Region I, USNRC A. Burritt, LGS USNRC Senior Resident Inspector
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/-
Unit:
Docket No:
Date:
Completed by:
Telephone:
Limerick 1 50-352 5/15/03 Greg Lee (610) 718-3707 A.
OPERATING DATA REPORT REPORTING PERIOD-April 2003 I Design Electrical Rating (MWe-Net) 11191 1
Maximum Dependable Capacity (MWe-Net) 1134 Month Year to Date Cumulative Hours Reactor Critical (Hours) 657.1 2,817.1 132,685.5 Hours Generator On-Line (Hours) 1 631.11 2,791.1 130,700.2 Unit Keserve Shutdown Hours (Hours)
Net Eiectrical tnergy (MVVl)
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720,0U62 13ib,U37,826 I Unit 1 ended the month of April 2003 at 100% RTP.
__---Type Reason F-Forced
- A-Equipment Failure-(Explain)
S-Scheduled B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training/License Examination F-Administrative G-Operational Error (Explain)
H-Other (Explain)
Method Manual --
2-Manual Trip/Scram 3-Automatic Trip/Scram 4-Continuation 5-Other (Explain)
C.
SAFETY/RELIEF VALVE OPERATION I Date I Valves Actuated I No. & Type of Actuation Plant Condition I Description of Event None During April 2003 U. I B.
UNIT SHUTDOWN No.
Date Type Generator Reason Method of Corrective Actions/Comments (yymmdd)
Off-line SD Rx Duration (hrs) 1i-030423 F t 87.9 3
1 F38 Reactor Scram due to loss of RFP suction pressure.
SUMIx ARY IUnit 1 began the month of April 2003 at 100% of rated thermal power (RTP).
On April 23'" at 02:07 hours, the reactor was automatically scrammed at 100% RTP due to loss of Reactor Feed -
Pump (RFP) suction pressure. At 02:09 hours, the turbine was tripped.
On April 25"' at 16:03 hours, reactor criticality was achieved.
On April 26"' at 16:13 hours, the main generator was synchronized to the grid at 19% RTP. At 20:11 hours, the main generator was tripped at 21 % RTP. At 22:00 hours, the main generator was resynchronized to the grid at 21 % RTP.
On April 27" at 18:36 hours, reactor power was restored to 100% RTP.
On April 28' at 01:55 hours, reactor power was reduced from 100% to 95% RTP for rod pattern adjustment. At 05:30 hours, reactor power was restored to 100% RTP.
- 3,269,0U2
Unit:
Docket No:
Date:
Completed by:
Telephone:
A.
OPERATING DATA REPORT REPORTING PERIOD-April 2003 Design Electrical Rating (MWe-Net) 1191 Maximum Dependable apacity Me-Net 1134 Limerick 2 50-353 5/15/03 Greg Lee (610)718-3707 Month Year to Date Cumulative Hours Reactor Critical (Hours) 719.0 2,441.6 108,569.1 Hours Generator On-Line (Hours) 719.0 2,398.7 106,833.7
- .=.<... J ff I Unit Keserve Shutdown Hours (Hours)
Net llectrical Energy (MW) u.u 99,2b9 u.u u.u 114,318,56 B. UNIT SHUTDOWN Type Reason Method F-Forced A-Equipment Failure (Explain) 1-Manual S-Scheduled B-Maintenance6rTest
- 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 I Plant Condition Description of Event None During April 2003 No.
Date Type Generator Reason Method Corrective Actions/Comments (yymmdd)
Off-line Duration (hrs)
Nfo-ne During April 2003 Unit 2 began the month of April 2003 at 100% of rated thermal power (RTP).
On April 5'" at 22:01 hours, reactor power was reduced from 100% to 87% RTP for control rod exercise test.
On April 6' at 01:00 hours, reactor power was restored to 100% RTP.
On April 9"' at 10:26 hours, reactor power was reduced from 100% to 57% RTP for power suppression testing.
On April 13"' at 21:08 hours, reactor power was restored to 100% RTP.
On April 14"' at 02:24 hours, reactor power was reduced from 99% to 90% RTP for rod pattern adjustment. At 19:24 hours, reactor power was restored to 100% RTP.
On April 15'm at 22:01 hours, reactor power was reduced from 99% to 89% RTP for rod pattern adjustment.
On April 16"' at 07:37 hours, reactor power was restored to 100% RTP.
Unit 2 ended the month of April 2003 at 100% RTP.
I 2,684,323