Underground work constitutes the foundation of our group. A prerequisite for optimal, sustainable urban mobility.Contact us
TUNNELS AND UNDERGROUND WORKApproach and expertise set us apart
Our many years of experience in tunnels and underground structures have allowed us to conclude that no two worksites are alike and that techniques are as complex as they are varied. Expertise, planning and thoroughness make all the difference—these key elements are central to the FDDF approach.