Janssen Lastechnieken was commissioned by the company DSI (Dywidag-Systems International) to manufacture 24 pieces of "post-tensioning systems" for project Galecopperbrug. This project had to meet the ROK (Guidelines Design of Artworks) from Rijkswaterstaat and carried out in accordance with EN 1090-2 EXC-4. LAB Verduyn BV. was responsible for all welding activities and welding procedure and welder qualifications. Janssen Lastechnieken has now also two trained Welding coordinators (RWC-B) and is in possession of the certificate of conformity for EN 1090-1 steel and aluminium in EXC-3.