Drilled casings is one of most popular piling methods for foundations in urban areas. Today consultants are increasingly interested in utilizing DTH hammers in foundation construction. At the same time they are increasingly concerned about the use of compressed air which might cause damage to surrounding structures due to air leakage or overdrilling. To meet this challenge, Atlas Copco has developed a new system and is now proud to present Elemex flushing control casing drilling system…..more at Atlas Copco