
The Poseidon process relies on a barge driving crew on the surface of the 
water and towing equipment necessary for the opening of the trench in the riverbed by a crawler engin equiped with a vibrating plowshare or a wheel trencher.
It allows :
Advantages of this tool :
A smart utilisation of the engin, causing less embarrassment on traffic, environmental respect with natural riverbed or river, and finally the passage of networks does not cause any bad influence on the eco system.


Ideal engin for the installation of telecommunications networks,

The ROBERVAL method is based on trenching in small dimension in the low trail easement below the railway.
It allows :
Advantages of this tool :
No influence on the railway traffic.
The process is approved and certified by SNCF ( French national railway company).

The ULYSSE process is based on opening a micro trencher by punching using a metal disk in the surface layer of bottom side of the highway road.
It allow :
Advantages of this tool :
With no debris and the cleanliness of the cut, we can maintained a vehicle traffic during the work construction, and there is a good preservation of pavement and a considerable reduction in construction costs.

The machine, mounted on a platform propelled, constitued of a turntable 
equipped with jacks for driving a steel pipe holder, at its end LESS, a special tool to push back the soil and make and a stake equal to the diameter of the tool.


This machine can extrude the ditchs and the concrete gutter along the roads 
or a railway and working in the axis of the ditch without any intervention of the surveyor staking and to reuse the truck with a drop-deck trailer on the site.


