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This document provides an overview of the requirements of Welding Requirements CSA-N287.5 Examination and testing requirements for concrete containment structures for nuclear power plants with respect to welding. It is designed to provide guidance for individuals and organizations involved in examination and testing requirements that apply to the work of any organization participating in the construction, fabrication, or installation of parts or components of concrete containment structures for nuclear power plants that are designated as class containment for CANDU nuclear power plants.

This document is only for general guidance purposes; reference to the full text of CSA N287.5 should be made.