Infrastructures

Tunnels

Laval Metro

The metro extension to Laval totals 5.2 km of track with three new stations (Cartier, Concorde and Montmorency), the construction of eight auxiliary structures and the integration of incentive parking.

Sanitary District 1 Tunnel in Allen Park, Michigan

3,800 feet of 96” diameter sewer tunnel with a 35 foot invert.  Completed earth retention design and construction inspection and testing for shafts.