Permanent Formwork for Sports Facilities, Wannsee, Germany

During a fundamental reconstruction in 2009, new locker rooms were built in Berlin Wannsee for Wannsee Stadium. As the old changing rooms were beyond repair, an elliptically shaped new building was designed in its place. The new structure was partly embedded into the ground in order to ensure an optimum adaptation to the surrounding topography.

The locker rooms are also accessible via the sports field below and feature a green roof. In addition, an environmentally friendly ventilating system with heat recovery was installed in the changing and shower rooms. The complicated formwork geometry with strip foundations posed a special challenge. DSI Porta Westfalica performed the detailed design and provided a comprehensive formwork plan for the project. DSI Porta Westfalica’s permanent formwork elements were used for the foundation of the new building’s entrance area.

All in all, 462m² of type FS recostal foundation formwork was used. The system which was used allows a cantilever concrete height of up to 1.2m without additional reinforcement. An effective forming time of 0.15 h/m² could be achieved thanks to the easy assembly and due to the fact that all necessary components were custom-fitted and that angles and bonding were prepared in advance. Consequently, construction times could be shortened on the whole.


Bezirksamt Steglitz Zehlendorf, Steglitz, Germany


WZ Bau GmbH, Berlin, Germany


Ruiken&Vetter Dipl.-Ing. Architekten, Berlin, Germany

DSI Unit

DSI Porta Westfalica, Germany

DSI Scope

Supply of 462m² of type FS recostal® foundation formwork; designing of a detailed formwork plan

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