![]() ![]() Our TSHDs are ideal for many dredging jobs, such as land reclamation, port maintenance and aggregates dredging. TSHD is a versatile dredger that unite dredging, transport and discharge in a single piece of equipment. The idea is to extend the beach by several hundred feet and build a dune 22 feet high. We design and build a variety of standardised and custom-built trailing suction hopper dredgers (TSHDs). ![]() "Bring it into a location where we hook up to a buoy and then the sand is pumped out pipelines to the beach," Steve O'Hara of Great Lakes Dredge & Dock said.Ī small army of bulldozers and other heavy equipment move the sand around. "Lowers some drag arms, literally sucks up the sand with water, stores it in the hopper and then transports it back to the pump," Lt Col. They drop 30 inch suction pipes from either side of the ship that claw through the ocean floor at what's called a 'borrow site.' Working with the US Army Corps of engineers, crews from the Great Lakes Dredge and Dock Company work around the clock. Well, there's a lot that goes behind it, a lot of engineering, a lot of science goes behind it," NJDEP Commissioner Bob Martin said. ![]() "It sounds easy: we're going to pump sand on to the beach. It is one of three vessels currently working on the massive $138 million project to build berms and dunes on LBI, part of the overall plan to protect the entire Jersey coast from hurricane and storm damage. That's the end result of dredging that beach-goers typically see.Īction News had the chance to get on board the dredge ship Liberty Island off the coast of Long Beach Island to see how the entire process works. Welcome aboard the dredge ship Liberty Island.īEACH HAVEN PARK, N.J. ![]()
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