Air Hammer Wells
The directorate for Water works does Air Hammer or Percussion Drilling which is used when the water table is deep and/or drilling must pass through hard bedrock. The drill bit is repeatedly hit with a compressed air driven piston to crush the material at the base of the bore hole. Cuttings are removed by the compressed air. This type of drilling is expensive but is the only option for deep wells or wells in solid rock with enough water. Directorate of Water works under COMT has contracted and implemented several wells of this nature with high success.
Air hummer driiling
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