Pier extension project Description: Project Description Lapa City sea port - pier extension project. The foundation layout is composed by 90 drilled piles, 25m long - 100cm external diameter, which have been drilled 15-meter deep into the seabed. Before injecting concrete, the construction company needed to remove the remaining sludge (sand with organic material) inside the tubes. The Problem The customer started the project removing mechanically the material inside the drilled piles. The cleaning operation was taking one day and a half for each pile and that was delaying the project schedule. The client was looking for a solution to speed up this cleaning process. Our Solution The customer after consulting Dragflow Brazilian distributor purchased a EL12,5SS pump to dredge out the materia

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