The use of prefabricated sections permits much faster progress than would be the case if they were cast in place right at the construction site. For Pier G, the supports, ceilings, and reinforcing beams are all made elsewhere. A large, powerful crawler crane assembles them, and the carcass grows piece by piece. As soon as the carcass of a section is finished, other specialists start installing technical systems.(Here Frank Schütz of project management explains the individual construction phases for Pier G.)