Technical specifications

Scope of work

  • 2 double-lane motorway tunnels, each with a length of 1,850 m
    (excavated area: 74 m² - 114 m²)
  • of which 1,650 m are constructed using mining techniques
    and 200 m using the cut and cover method

Construction method

  • Drill and blast method in combination with tunnel excavator
  • Construction of a pipe umbrella support system
    in some areas with shallow soil cover

Geology
Luxembourg Sandstone

General data

Project
Stafelter Berg Tunnel
twin-tube, two-lane motorway tunnel

Client
Grand-Duché de Luxembourg - Ministère des Travaux Publics
[Grand Duchy of Luxembourg - Ministry of Public Works]
represented by Administration des Ponts et Chaussées, Luxembourg
[Bridge and Road Department]

Contractor
Wayss & Freytag Ingenieurbau AG
as technical leader of a joint venture

Construction period
September 2008 to August 2012

Construction costs
€ 100 million

Utilisation
Infrastructure
Type
Road Tunnel, double-track
Length
2 * 1,850 m
Construction Method
Drill and blast method in combination with tunnel excavator
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