Microtunnelling with compressed air

District heating in Central Switzerland

Creation of a culvert pipeline

(FW VL) for Messe combined heating and power plant (HKW), second construction stage

New construction of the stormwater treatment

Full cut driving under compressed air, civil engineering and foundation construction (drill-foundation piles)

second and fourth construction stage

Construction of a new Old Rhine culvert in Mannheim at river km 4.4

Construction of a 2.5 km long underground rainwater retention channel

Construction of the new connection

New culvert under the Dortmund-Ems-Canal

“Wolfsbachtal Sammler” collector in the nature reserve