Sometimes when laying down a new pipeline system the project may be compromised due to a rock-bed under the ground.
Rescue Rod has various machine equipped for rock drilling
These machines are equipped with a DTH, which is the hammer that is used to break through the rock.
A down-the-hole hammer, referred to as DTH is designed like a mini jackhammer screwed on the end of a drill string. The fast hammer action breaks hard rock into small flakes, fragments and dust which is blown clear by the air exhaust from the DTH hammer. The DTH hammer is one of the fastest ways to drill hard rock.
Read an article about Directional Rock Drilling here.