This is a
10CFR50.55(e) initial notification for a significant breakdown in the Quality Assurance (
QA) Program of Chicago Bridge &
Iron (
CB&I) Lake Charles facility, a sub-supplier of
CB&I.
CB&I Lake Charles supplies safety-related structural sub-modules for the Vogtle 3 and 4 construction project.
In March, 2014, CB&I Lake Charles issued a root cause analysis report for welding program deviations associated with the fabrication of sub-modules being supplied to domestic AP1000 construction projects. An evaluation of the root cause analysis results concluded that a significant QA program breakdown had occurred that could have produced a defect. No defect has been identified.
This initial notification is being made in accordance with 10CFR50.55(e)(4)(iii) and 10CFR50.55(e)(5)(i).
The licensee notified the NRC Resident Inspector.
