Consist in the creation of a hole with a auger which is putting out the ground at the same time is digging. Either directly in the ground or in a pipe which is pushing by jack-screws which are running whith the auger.

ADVANTAGES:

  • Réactivity
  • Evolutionnary material

INCONVENIENTS:

  • Need of a special item to change direction.
  • Relevant for diameters less than 1000.

 WHAT FOR?

  •  Dry or wet network, under pressure or gravity.
  • Concrete, Sandstone, Melting, PRV & PVC pipes.