Underground down the hole (DTH) and Jet Grouting drill rig
GM has developed drilling rig for the demanding underground reparation work. The rig is one of the smallest in the market for the very narrow underground spaces available. Drilling unit can go through the door of 80 cm wide and 160 cm high, its weight is 2.3 ton. The unit performs up to 5” DTH holes, does jet piling and micro piling. Drilling unit body is built on crawler with the 360° mast tilting and max 2 m pipes. Power unit is diesel engine powered or electric driven as an option.
Ideal machine for construction and reparation companies specialized for underground foundation works.