The Contractor must verify the material receipt certificates for all equipment (components, tees, elbows, pipes, etc.). In particular, for certificates type 3.1 or 3.2 according to EN 10204, the Contractor is required to understand the metallurgical delivery states of the materials (normalized, quenched and tempered, etc.) for the proper preparation of welding records.
The Contractor must verify the manufacturer’s documentation for the piping