Maintenance Dredging of the Isle au Haut Thoroughfare near Isle au Haut, Maine

This bid is for maintenance dredging of the Isle au Haut Thoroughfare in Maine. The project involves removing approximately 3,355 cubic yards of shoaled material, primarily coarse sand and gravel, to a depth of -6 feet MLLW plus overdepth. The dredged material will be disposed of at the Flake Island Disposal Site. Bidders must use a mechanical dredge capable of handling compacted material and adhere to a specific dredging window to protect marine resources.