Renaturations, environmental reports etc. With CSD you realise projects in accordance with the environment. Read more

Quarries and gravel pits

Gravel pits: Successful approval thanks to our comprehensive expertise in environmental and procedural issues. Read more


Dump "La Pila" (pictured): CSD integrates expertise with creativity in order to handle waste and contaminated sites Read more

Areas and buildings

Integral solutions for new housing developments and redevelopment of neighborhoods. (Pictured: Housing development Gütsch) Read more

Road and rail

Tunnel de base du Gothard Sedrun

CSD provides engineering services in harmony with the environment for successful transport infrastructure projects, for example at the Gotthard base tunnel. Read more


Photo: Geothermal drilling St Gallen, City of St Gallen / Sankt Galler Stadtwerke, 2013. Read more


Near-natural, healthy and economical solutions for the entire water cycle (Pictured: Hydrogeological drilling at Vallorbe). Read more


CSD, environmental pioneer among engineering companies, is committed to economic solutions that improve the quality of living and the environment.

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