– Dredging activities may be subject to regulation under the Clean Water Act. – Extra costs can occur if material is classified as hazardous waste – Increases costs if dredged materials need to be transported and relocated to landfill or another site – Exposes biota to heavy metals and other toxins – Causes silting and increases in turbidity, which stresses and can kill aquatic life – Bathymetry can be altered, potentially eliminating shallow water habitat essential to spawning, nesting and rearing of – Disrupts the aquatic ecosystem through physical removal of both plants and animals. However, other issues can occur, for example: By increasing the depth of water, weed growth is discouraged, water temperature lowered and oxygen levels increased. Dredging in this manner physically removes sediment, some excess nutrients, pollutants and organic matter. These types of dredging techniques have been the main solution for dying ponds, lakes, retention basins, and rivers. Stones and rocks as large as an inch can pass through the pump and anything larger is blocked.When we think of dredging we automatically envision a large machine removing copious amounts of sediment from rivers or harbors either through suction or with a grabber. The maximum hose length we recommend is 450 Ft, maximum lift height is 78 Ft. Many people also buy an extra quick coupling so you can easily divide the hose into the appropriate lengths. It's best to mount it on a platform that you can remove from the raft when you want to use the raft for something else. You can mount it on a raft, a steady boat or you could do some dredging from the ice. The dredge is delivered with a variable mounting, 10-foot transparent hose stub for connecting to your discharge hole and one Cam Lock coupling. Proven design has been used for many years.īottom Softening Knife Attachment for loosening firm packed bottoms - This attachment will also help protect the dredge blades from large rocks.The sludge can be pumped up to 492' away depending on lift height and sediment concentration.Capable of moving about 15,800 gallons of water per hour along with about 211 cubic feet of sediment per hour.Reed roots and mud easily gets sucked up and get pumped away.No damage to the beaches or the bottom of the lake or pond.Does not pollute lakes, ponds or streams.This portable lake suction dredge is designed to provide homeowners, contractors and shoreline management services the ability to dredge and transfer unwanted aquatic debris and sediment out of lakes and ponds.Īdditionally, the portability of this dredge makes it a money saving alternative to hiring an excavator who has limited reach, can be destructive to the shore and typically deposits the material adjacent to the shore only to have it wash right back in after the first good rain. The centrifugal pump is also equipped with a mill that effectively grinds down the roots of reeds and other seaweed. The unique design of the portable dredge allows you to hover the pump over the bottom of the lake to efficiently remove muck, silt and lake bottom sentiment. *Volumes may vary based on the nature of your application. The capability of this powerful sediment pumping system allows it to pump about 2118 cubic feet of water per hour, (15,800 gallons) along with up to 211 cubic feet of sediment per hour. This dredge system has a powerful 190cc Briggs & Stratton Professional Series 4-stroke gas powered engine. An adjustable mount makes for easier handling and allows you to set the cleaning depth and angle of attack.One controls the dredge pump and the other controls the floating platform. In practice two people are needed in the cleaning operation.Stones over 1 inch in diameter can cause premature wear and if constantly ingested may cause damage.The result can be prematurely worn out internal components Large volumes of sand will increase wear. Pump is NOT designed to remove hard packed clay.Dredge pump designed for muck, sludge, mud and plant waste that can be easily removed from bottom.
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