ML022350417
| ML022350417 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 08/15/2002 |
| From: | Braun R Exelon Nuclear |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| GL-97-002 | |
| Download: ML022350417 (3) | |
Text
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-4 Exelokn Exelon Nuclear Limerick Generating Station PCO Box 2300 Sanatoga, PA 19464 www exeloncorp corn Nuclear T.S. 6.9.1.6 Aug. 15, 2002 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555
Subject:
Limerick Generating Station, Units 1 and 2 Facility Operating License Nos. NPF-39 and NPF-85 NRC Docket Nos. 50-352 and 50-353 Monthly Operating Reports for July 2002 Enclosed are the monthly operating reports for Limerick Units 1 and 2 for the month of July 2002 forwarded pursuant to Technical Specification 6.9.1.6 and the guidance of GL 97-02.
If you have any questions or require additional information, please do not hesitate to contact us.
Sincerely, 2,
L-----,
Robert C. Braun Plant Manager
-Attachments..
cc:
H. J. Miller, Administrator, Region I, USNRC A. L. Burritt, LGS USNRC Senior Resident Inspector
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Unit:
Docket No:
Date:
Completed by:
Telephone:
Limerick 1 50-352 8/15/02 Greg Lee (610)718-3707 A.
OPERATING DATA REPORT REPORTING PERIOD-July 2002 I Design Electrical Rating (MWe-Net) 11191 Maximum Dependable Capacity (MWe-Net) 1134 Mnnth Yenr to Date Cumulative Hours Reactor Critical (Hours) 744.0 4,640.2 126,195.4 Hours Generator On-Line (Hours) 744.0 4,572.0 124,236.1 Unit Reserve Shutdown Hours (Hours) 0.0 0.0 0.0 I 43S.666 Mo P*or-rinn Pn (M
h 8468 B.
UNIT SHUTDOWN No.
Date (yymmdd)
Type Duration Reason Method Corrective Actions/Comments (Hours)
None During July
SUMMARY
Unit 1 began the month of July 2002 at 100% of rated thermal power (RTP).
There were no power changes in July 2002 Unit 1 ended the month of July 2002 at 100% RTP Type F-Forced S-Scheduled Reason A-Equipment Failure (Explain)
B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training/License Examination F-Administrative G-Operational Error (Explain)
H-Other (Explain)
Method 1 -Manual 2-Manual Trip/Scram 3-Automatic Trip/Scram 4-Continuation 5-Other (Explain)
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SAFETY/RELIEF VALVE OPERATION I ~
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Unit:
Docket No:
Date:
Completed by:
Telephone:
Limerick 2 50-353 8/15/02 Greg Lee (610)718-3707 A.
OPERATING DATA REPORT REPORTING PERIOD-July 2002 I Design Electrical Rating (MWe-Net) 11191 I
Maximum Dependable Capacity (MWe-Net) 1134 Mnnth IYear to Date Cumulative Hours Reactor Crtical (Hours) 678.5 5,021.5 102,454.5 Hours Generator On-Line (Hours) 656.1 4,999.1 100,762.0 I Unit Reserve Shutdown Hours (Hours)
"Net Electrical Energy (MWh) 0 I IMIT QLWI ITIlt1IM Ij tj n-nrfat 724.112 J
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Unit 2 endedthe month of July 2002 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 IDate Valves Actuated I No. & Type of Actuationo i
Plant Condition I Description of Event None Durnn July I,.
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- No.
Date Type Duration Reason Method Corrective Actions/Comments (yrnmdd)
(Hours) 1 020723 F
84.9 A
2 2F31 Reactor scram due to loss of condenser vacuum.
SUMMARY
Unit 2 began the mo-nth of July 2002 at 100% of rated thermal power (RTP).
On July 23ru at 16:13 hours, reactor power was reduced due to decreasing condenser vacuum. At 16:32 hours and 74% RTP, th-emain turbine was manually tripped and the reactor was manually scrammed due to decreasing condenser vacuum.
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On July 27' at 05:24 hours, the main generator was synchronized to the grid at 20% RTP. At 08:44 hours, the main generator was tripped for turbine overspeed testing. At 11:44 hours, the main generator was re synchronized to the grid at 18% RTP.
On July 28u' at 08:22 hours, reactor power was restored to 100% RTP. At 22:00 hours, reactor power was reduced from 97% to 78% RTP for rod pattern adjustment.
On July 29' at 03:11 hours, reactor power was restored to 100% RTP. At 23:00 hours, reactor power was reduced to 96% RTP ro perform troubleshooting of the Condenser Air Removal System.
On July 30ý at 00:09 hours, reactor power was restored to 100% RTP.
On July 3 1S', at 22:00 hours, reactor power was reduced to 98% RTP to repair the 2A recirculation pump
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