Look also for
Blasting Works, Public and Specialized Works

Specific earthworks

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Small size tunnels

 

Realization of a water separation network.
Installing the gate system in trenches (tunnel)
Realization of a water separation network. Installing the gate system in trenches (tunnel)

 

 

Cleaning out of a very small-size tunnel.
Manual cleaning-out using a home-made cart
Cleaning out of a very small-size tunnel

 

After separating the wastewater
and rainwater networks reinforcement,
injection and drainage operations take place.
Urban tunnel.
separating the wastewater and rainwater networks, reinforcement, injection and drainage

 

 

Drilling prior to draining in a small-size tunnel feeding a hydroelectric power plant. (Andorre).
Drilling prior to draining in a small-size tunnel feeding a hydroelectric power plant.

 

 

 

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