Technical specifications

Scope of works:

Connection of the Düsseldorf main railway station with the airport, the Düsseldorf trade fair center and the Airport City business park, construction of an underground railway station at the airport terminal.

Lot 1: Construction of several civil engineering structures: ramp structures, elevated trough section, bridge in the area of access gate 1 including the associated foundation work as well as construction of an arch-shaped steel-bridge (6-span stell-structure, approx. 480 m long, 12 m wide) using the incremental launching method Track construction and overhead line work, construction of noise barriers

Lot 2: Construction of the excavation pit using anchored diaphragm walls and solider pile shoring, excavation (partly as underwater excavation) and construction of ramp structure and station using the cut-and -cover method (length of the underground station approx. 182 m). Both lots include traffic routing and safety measures during all construction phases and intermediate states as well as the corresponding road construction and dewatering works

Construction method:

Cut-and-cover method

Geology:

Lower Rhine River Terraces / Gravel - Sand;

General data

Project
Light Rail Line U 81, lots 1 and 2

Client
City of Düsseldorf, Germany

Contractor
Wayss & Freytag Ingenieurbau AG in a Joint Venture

Construction period
May 2020 to 2023

Net construction costs
113 Mio. € (total project)

 

Utilisation
Infractructure
Type
Underground tunnel
Length
Lot 1 and 2 approx. 1.7 km
Construction Method
Cut-and-cover method
Related Projects
Crossrail Western Tunnels
Crossrail Western Tunnels
Great Britain

Upgrade for London’s Wastewater System

Read more
Weinberg Tunnel, Lots 3.1 and 3.2
Weinberg Tunnel, Lots 3.1 and 3.2
Switzerland

The Zurich main station - Altstetten - Oerlikon cross-city line forms the central part of the West- East-axis of the Swiss railway lines. The Weinberg tunnel is the centrepiece of the cross-city line and connects the new through station “Löwenstraße” in Zurich with Oerlikon station.

Read more
Emscher Sewerage Tunnel
Emscher Sewerage Tunnel
Germany

47 km sewerage tunnel across the Ruhr area

Read more