Wilbert towers build silo in Brake

Both tower cranes were mounted on the cone at the base of the silo, allowing railways around the silo site to continue operating while the rest of the structure was built. The WT 200 e.tronic and a WT 300 e.tronic's baseframes were assembled at a height of 14m on top of the cone, but could not be ballasted because of a lack of space. In order to ensure the necessary absorption of forces, special anchor rods were mounted into the foundation.

As the tower cranes were placed within a very tight space, the displacement had to be limited to 0.5 m in 58.0 m height. Wilbert explained that this procedure prevented a collision of the crane tower with the sliding form of the silo.

The WT 300 e.tronic was assembled with a freestanding tower height of 84m and worked within a radius of 55m. A special 110kW high building hoist winch was used in order to ensure a fast working speed. The WT 200 e.tronic had a freestanding tower height of 73.0m and radius of 40m.