![]() ![]() The physical environments of the dredging and disposal areas, along with the environments of the areas in between.The quantities of material to be dredged.The physical characteristics of material to be dredged.When selecting dredging equipment for a project, any marine contractor, government agency, or port district must initially determine: – with a focus on application and operation – along with the advantages and limitations of each dredge type. What follows is an in-depth discussion of the equipment used for dredging projects throughout the U.S. The dredging of various bodies of water can also be utilized to reduce fish, wildlife, and people’s exposure to in-water contaminants. The process of removing loose to compacted sediments and debris from the bottom of lakes, rivers, and harbors is paramount to the maintenance and expansion of navigation channels. This technique is often used to keep waterways navigable. Dredging is an excavation activity or operation usually carried out at least partly underwater, in shallow seas or fresh water areas with the purpose of gathering up bottom sediments and disposing of them at a different location. As the dredge worked, it continuously dug into its own pond in front and filled it in with tailings at the back.Vintage engraving of a 19th Century Steam Dredger. After its completion, the pond was filled with the 8-10 feet of water needed to float and operate the 988 ton dredge. Sometimes it took a whole day to load just one truck with some of the pieces needed to build the dredge.Īnother trucking company delivered the twenty-five pontoons, each measuring 10x10x27 feet, by hauling them over Galena Summit, no small feat. One of the largest loads was the 55-foot, 17.5 ton spud. Some pieces were shipped by rail to Mackay and trucked there by Lindberg’s Trucking Company of Mackay to the Yankee Fork site over Spar Canyon Road. It was a major operation to transport the equipment and pieces needed to build the dredge. ![]() Winch room at the Yankee Fork Dredge Construction of the Yankee Fork DredgeĪ pond for the Yankee Fork Gold Dredge was constructed to allow the assembly of the massive four-story floating machine. ![]()
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