
der Tiefbau
civil engineering
The branch of construction that deals with the planning and building of structures at or below the earth's surface. This includes, for example, roads, tunnels, and sewer systems.
Für den Bau der neuen U-Bahn-Linie sind umfangreiche Arbeiten im Tiefbau erforderlich.
Extensive civil engineering work is required for the construction of the new subway line.
