Chlorination disinfects the borehole, accompanied by dewatering until chlorine levels fall under 0.5mg for every liter.  Station variety: Choose a minimum of a few stations determined by these analyses, and choose the very best position for drilling. Compressed air not just powers the DTH hammer

In DTH drilling, the percussion system – commonly called the hammer – is situated straight over the drill little bit. The drill pipes transmit the necessary feed pressure and rotation towards the hammer as well as the little bit, combined with the fluid (air, water or drilling mud) used to actuate t