
Construction
Blueprint for the future.
Implenia has been planning and building complex civil engineering projects for 130 years, taking infrastructure forward and promoting mobility. Our work is based on sustainability, reliability and a focus on the future. Best quality and enduring construction methods are always the top priority. From small construction projects to once-a-century blockbusters, we offer all the experts and machinery you need from a single source – from development and planning, to logistics and actual construction, to maintenance and commissioning.
Our References

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

Firmensitz und Produktion AVL SET GmbH, Wangen im Allgäu
Wangen im Allgäu, Germany
Start of construction: January 2021
Construction volume (value of our services): 12,4 M EUR
Turnkey production headquarters and production of AVL SET GmbH

Noise protection walls Flörsheim am Main
Flörsheim am Main, Germany
Start of construction: December 2020
Construction volume (value of our services): 5,352 M EUR
Construction of noise protection walls in Flörsheim am Main

Renovation of two raw meal silos at the Karsdorf cement plant
Karsdorf, Germany
Start of construction: September 2020
Construction volume (value of our services): 3,413 M EUR
Implenia is renovating two 70-metre-high raw meal silos at the Karsdorf cement plant in Saxony-Anhalt on behalf of OPTERRA Zement GmbH.

Subway access structure Oberhafentunnel
Hamburg, Germany
Start of construction: August 2020
Construction volume (value of our services): 12,5 M EUR
Construction of a new subway access structure with connection to the station HafenCity University

Bridge reinforcement with carbon concrete at Kleinsaubernitz
Kleinsaubernitz, Germany
Start of construction: August 2020
Construction volume (value of our services): 128.000 EUR
As part of a pilot project, Implenia reinforced a road bridge with carbon concrete.

Stadtbahn line U81 in Düsseldorf, shell construction for elevated route
Düsseldorf, Germany
Start of construction: May 2020
Construction volume (value of our services): 22 M EUR
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 foundation work and the construction of an arched steel bridge using the incremental launching method.

Stadtbahn line U81, lot 2, shell construction of tunnel
Düsseldorf, Germany
Start of construction: May 2020
Construction volume (value of our services): 23 M EUR
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.

Construction LasmAaZ - Nuclear power plant Krümmel
Geesthacht, Germany
Start of construction: June 2020
Construction volume (value of our services): 21,2 M EUR
Construction of a new storage facility for low- and intermediate-level waste - Hybrid project with Implenia Spezialtiefbau GmbH Hamburg and Hochbau GmbH Berlin.

Further construction of the groundwater basin Ohu
Essenbach, Germany
Start of construction: April 2020
Construction volume (value of our services): 56 M EUR
Construction of a 970m long section of the B15 new as a massive trough structure (groundwater basin) with a connection point in the groundwater (cloverleaf).

Hyparschale Magdeburg
Magdeburg, Germany
Start of construction: October 2020
Construction volume (value of our services): 1,7 M EUR
Reinforcement of the supporting and shell structure of the Hyparschale built in 1969 in Magdeburg using carbon concrete.

380-kV-Kabeldiagonale, 50hertz
Berlin, Germany
Start of construction: August 2019
Construction volume (value of our services): 128 M EUR
Cable diagonal Berlin - Construction of a 6.7 km long cable tunnel with 4 shafts as supply / rescue shafts

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).

Munich Marienhof station
München, Germany
Start of construction: December 2018
Construction volume (value of our services): 394,7 M EUR
The major project 2nd S-Bahn main line Munich consists of the sub-projects "above-ground areas", "inner city area/tunnel" and "supplementary network measures" in the outer branches.

Enclosure construction in Schwamendingen (Zurich) – noise protection measures
Zurich, Switzerland
Start of construction: September 2018
Construction volume (value of our services): 53,055 M CHF
Construction of the new cut-and-cover tunnel with a length of 940 metres, a width of 30 metres and a height of 8 to 10 metres.