![]() To quickly drain water from sediment disposal sites a Amphiroll is used. This little dredge can operate in the smallest of waterways.Įco Dredging Ltd has an extended and versatile range of ancillary equipment for the execution of dredge projects.įloating equipment like work pontoon with hoisting facilities, survey vessels, safety boats, aquatic plants and weed cutter.įor the laying of delivery pipes in difficult and rugged terrain an swamp tracked vehicle has been modified and fitted with hoisting gear and some all terrain fork lifts. The smallest of the cutter suction dredge has a width of 1,40 metres, draft of about 0,50 metres and vertical clearance of 0,40 metres. Our Cutter Suction Dredges can dredge in waters from 0, 40 metres down till 40, 00 metres.Įco Dredging Ltd has at her disposal more than 20 cutter suction dredges with size varying from 5” to 12” dredge pumps. The small dredge can also operate as any other cutter suction dredge and work on wires and anchors. The extended ladders can reach lengths of 20 metres. ![]() The long ladder also allows for dredging under pontoons, yachts, fishing boats and anything else afloat. With extended and articulated ladders a wide area can be dredged. When the dredger is positioned on the spuds the ladder with the cutter head moves from starboard to portside and back by means of hydraulic rams. It is positioned on wires and anchors and/or spuds. The Cutter suction Dredge is a stationary dredge. Our cabins on all equipment can be pressurized as to work in strongly contaminated sediments. This is a very fast method and can be done when the sediments in the waterway are not or only slighted contaminated.Įco Dredging Ltd has many years of experience in the dredging of lightly The pump sucks up the pushed up sediments and pump/sprays it over the land right behind the excavator. The pump is placed in the specially designed bucket at the end of the jib. The machine is a strong excavator on tracks with jib and pump. In these cases the contaminated sediments are excavated with the aid of excavators or pushed up by the floating bulldozers.ĭredged sediments can also be transported over greater distances inĪ special machine is the combination of mechanic and hydraulic dredging. Citizens are worried by the hazardous contents pumped in and do strongly oppose the presence of such a deposit in their neighborhood. The costs of the construction and organization of such a deposit are very high. In case sediments on the water bottoms are very contaminated it is mostly impossible to pump the dredged sediments to a disposal site. Hydraulic excavators (with long jibs if required) on land, on pontoons or on their own stabilizing legs, small hopper barges and push boats, floating bulldozers are very unique machines that have proven their effectiveness and transported over water in hopper barges and over road in trucks with water tight containers. Mechanical dredging (as opposed to hydraulic dredging with cutter suction dredges) is the dredge method in which sediments are dredged with machines like excavators, floating bulldozers, etc. Read the opinion document (PDF, 297 pages).Eco Dredging Ltd has a wide range of mechanical dredge equipment at her disposal. In April 2021, NOAA Fisheries completed its most recent evaluation of the impacts to sea turtles and other protected species from southeast shrimp fisheries under Section 7 of the Endangered Species Act. waters of the Gulf of Mexico and South Atlantic are required by federal law to equip their trawls with a TED. Today, many shrimp trawlers operating in the U.S. NOAA Fisheries gear experts continue to work with the shrimp fishing industry to develop new and effective ways to reduce bycatch. Current TED designs have been determined to be 97 percent effective in excluding turtles from shrimp trawls. When larger animals like sea turtles enter the trawl net, they are redirected by the TED and are able to exit through an opening either at the top or bottom of the net. Small animals, such as shrimp, pass through the grid into the mesh bag at the end of the trawl and are caught. The modern TED is a simple grid made of metal bars that is fit into a trawl net. The result of over a decade of gear development, and subsequent evaluation, was the turtle excluder device. Our Harvesting Systems Unit, with assistance from the commercial shrimping industry, initiated research to develop solutions to this problem. By the late 1970s, incidental bycatch of sea turtles in shrimp trawling gear in the southeastern United States was determined to be a major threat to the survival of sea turtle populations. waters are listed under the Endangered Species Act as either threatened or endangered.
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