Construction Malcolm Drilling utilized a dry, bottom-feed B-27 Vibroflot featuring state-of-the-art technology to construct the stone columns on this project. Powered by a 180-hp electric motor, the B-27 Vibroflot generates in excess of 25-tons of eccentric force. The Vibroflot is suspended from a crawler crane and is modular in nature enabling construction at depths from near surface to greater than 100 feet and diameters ranging from 30

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