Civil engineering: Expertise in complex infrastructures.

Civil engineering: Expertise in complex infrastructures.

Tunnelling, geotechnics, foundation engineering and more: together we bring infrastructure to its destination.

WE BUILD THE FUTURE WITH YOU - FOR 150 YEARS

Civil engineering services

Civil engineering to the highest standards: We also offer you complex projects from a single source - interdisciplinary and leanly organised. Are you looking for a partner for tunnels, roads, geotechnics or civil engineering? We work for you to the highes


FROM SMALL CONSTRUCTION PROJECTS TO LARGE CENTENARY PROJECTS:

We cultivate cooperation at eye level - also in civil engineering.


References Civil Engineering

Galerie de sécurité du tunnel du Fréjus

Fréjus, France

Start of construction: January 2009
Construction volume (value of our services): 166,521 M CHF Costs converted according to average yearly exchange rates during project realization

Following the fire of the Mont Blanc Tunnel in 1999, substantial changes were made to the regulations which resulted in the Fréjus Tunnel being brought into compliance. The Société Française du Tunnel Routier du Fréjus (SFTRF)…

Noise protection tunnel A7 Hamburg-Altona

Hamburg, Germany

Start of construction: April 2021
Construction volume (value of our services): 202,24 M CHF

Construction of a noise protection tunnel on the A7 motorway in Hamburg-Altona

Renovation of two raw meal silos at the Karsdorf cement plant

Karsdorf, Germany

Start of construction: September 2020
Construction volume (value of our services): 3,67 M CHF Costs converted according to average yearly exchange rates during project realization

Implenia is renovating two 70-metre-high raw meal silos at the Karsdorf cement plant in Saxony-Anhalt on behalf of OPTERRA Zement GmbH.

Pontons von Cologny, Genf

Cologny, Switzerland

Start of construction: October 2019
Construction volume (value of our services): 1,8 M CHF

The attraction of this new bathing area is undoubtedly the "Great swimming Wooden Circle" on the lake which is located in front of the shore. It is the largest platform of its kind on Lake Geneva. The special attraction of this…

Hyparschale Magdeburg

Magdeburg, Germany

Start of construction: October 2020
Construction volume (value of our services): 1,828 M CHF Costs converted according to average yearly exchange rates during project realization

Reinforcement of the supporting and shell structure of the Hyparschale built in 1969 in Magdeburg using carbon concrete.

Subway access structure Oberhafentunnel

Hamburg, Germany

Start of construction: August 2020
Construction volume (value of our services): 13,041 M CHF Costs converted according to average yearly exchange rates during project realization

Construction of a new subway access structure with connection to the station HafenCity University

Construction LasmAaZ - Nuclear power plant Krümmel

Geesthacht, Germany

Start of construction: June 2020
Construction volume (value of our services): 22,341 M CHF Costs converted according to average yearly exchange rates during project realization

Construction of a new storage facility for low- and intermediate-level waste - Hybrid project with Implenia Spezialtiefbau GmbH Hamburg and Hochbau GmbH Berlin.

Stadtbahn line U81 in Düsseldorf, shell construction for elevated route

Düsseldorf, Germany

Start of construction: May 2020
Construction volume (value of our services): 23,184 M CHF Costs converted according to average yearly exchange rates during project realization

Construction of a new rail line to connect the airport in two sections/lots. New construction of civil engineering structures (ramp structures, an elevated trough section, bridge near access gate 1) including the associated…

Stadtbahn line U81, lot 2, shell construction of tunnel

Düsseldorf, Germany

Start of construction: May 2020
Construction volume (value of our services): 24,238 M CHF Costs converted according to average yearly exchange rates during project realization

Construction of a new railway line to connect the airport in two sections/lots. Construction of ramp, trough section, tunnel and train station (underground station) Düsseldorf Airport as cut-and-cover construction. …

SMS 2A - New double track railway Sandbukta-Moss-Såstad

Såstad, Dilling, Moss, Norway

Start of construction: June 2019
Construction volume (value of our services): 728 M CHF

The new double track railway Sandbukta-Moss-Såstad (SMS) is part of the Intercity development and is one of the sections of the line towards Halden (the Østfold railway's western line).