ML13170A335

Presentation - NRC Special Inspection Meeting - Harris Reactor Pressure Vessel

ML13170A335
Person / Time
Site:	Harris
Issue date:	06/13/2013
From:	Reis T Division of Reactor Safety II
To:
References
Download: ML13170A335 (17)

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Terry Reis Director, Division of Reactor Safety NRC Region II 3 Introductions Background NRC Inspection Focus Areas Major SIT Activities Exam & Repair Results NRC Evaluation for Continued Operations NRC Conclusions Public Questions and Comments 4 Terry Reis, Director, Division of Reactor Safety (DRS) Steven Vias, Chief, Engineering Branch 3 (EB3), DRS Dr. Robert Williams, Reactor Inspector, EB3, DRS - SIT Lead Inspector Jay Collins, Senior Materials Engineer, Nuclear Reactor Regulation (NRR) Joey Ledford, Public Affairs Officer Gena Woodruff, Regional Government Liaison Officer, Meeting Facilitator Joe Austin, Senior Resident Inspector, DRP Patrick Lessard, Resident Inspector, DRP Brendan Collins, Reactor Inspector, EB3, SIT Team member Ann Kroeger, Site Administrative Assistant 5 6 Dr. Robert Williams Reactor Inspector SIT Lead Inspector Barrier #1: cladding enclosing the fuel Barrier #2: reactor vessel & piping Barrier #3: containment 7 Fission Product Barriers Generic Issues/NRC Order EA-03-009 Harris-specific evaluation Reactor vessel head inspections 8 9

10 11 12 Determine the facts surrounding the event Observe and evaluate the examinations and the repair Evaluate the non-destructive examinations from the 2012 outage and the corrective actions taken 13 NRC SIT Focus Areas Develop a timeline of the event Assess the condition of the vessel head Review the 2012 refueling outage vessel head examinations Observe the nozzle weld repair process and its return to service 14 Plant safety was not compromised There were no indications of leakage Vessel head structural integrity was not challenged The flaw was successfully repaired Licensee failed to identify the flaw in 2012 15 16 Contact: NRC Region II Office of Public Affairs 404-997-4000 Roger Hannah Joey Ledford 17