ML102250081
| ML102250081 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 08/13/2010 |
| From: | Constellation Energy Nuclear Group |
| To: | NRC Region 1 |
| References | |
| Download: ML102250081 (9) | |
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Ginna is Committed to Safety Safety Nuclear safety; our plant Industrial safety; our workers Public safety; our families and neighbors Continuous improvement Adopt industry best practices Challenge ourselves through assessments Learn from operational experience CENG a joint venlure (jf._____--,
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Equipment Challenge in 2009 Turbine Driven Auxiliary Feedwater (TDAFW) Pump An important safety system at Ginna Failed to perform as expected during three tests between December 2008 and July 2009 Upgrade TDAFW Maintenance Procedures Major Inspections of Control System Components Weekly stem stroke Monthly full-comp test Quarterly stem inspection CENG a joint venluH; of------,
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Equipment Challenge in 2009 Recent Improvements June 2010 - V-9519E Inspection/Replacement June 2010 - Steam Admission Valve Torque Increase
-- September 2010 - V-9519E Upgrade with new materials 2011 RFO - Steam Admission Valve Replacement 2011 RFO - Steam Admission Check Valve Replacement CENG a joint, ver;!ule of-------,
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Equipment Challenge in 2009 Performance over past year All monthly tests have been satisfactory Weekly stroking shows no indication of binding Reduction of steam leakage has resulted in minimal corrosion buildup CENG a joim venlure o'~-------,
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Implemented Performance Improvement Increased Rigor of Corrective Action Program Augmented Preventive Maintenance Process/Results
&I Enhanced Operational Decision-Making Planned Equipment Upgrades/Replacements Improved Risk Management Procedure CENG venture of ______
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Ginna/s Future NRC oversight and examination has strengthened Ginna's ability to self-identify and implement corrective actions We recognize the responsibility we have to work safely and error-free We are committed to achieving industry-best performance Ginna will continue to play an important role in meeting the energy demands of our community and state.
Constellation Energy Nuclear Group (CENG)
Learnings shared throughout CENG Procedure changes effective fleet-wide Personal commitment and engagement Sustainability CENG
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