MAINTENANCE DREDGING, U.S. NAVAL STATION MAYPORT, 50-FOOT PROJECT, JACKSONVILLE HARBOR, 47-FOOT PROJECT, AND CONSTRUCTION DREDGING, JACKSONVILLE HARBOR HIGH SPOT REMOVAL DUVAL COUNTY, FLORIDA

Project work consists of maintenance dredging in the Mayport approach channels and turning basin, and the Jacksonville Harbor federal channel. Work also includes construction dredging in the Jacksonville Harbor designated high spots as shown on the drawings. The contract is split between a base and two options. The contract Base element consists of portions of Bar Cut-3, the Mayport Entrance Channel, Turning Basin, Destroyer Basin, and Small Boat Basin. Option A consists of portions of Jacksonville Harbor BarCut-3 to Cut-17. Option B consists of removing designated high spots in the Atlantic Ocean East-Southeast of Bar Cut-3. For Option A, excavated material will be transported to and placed in Buck Island Cell A. For the Base and Option B, excavated material will be transported to and placed in the Jacksonville ODMDS Release Zone shown on the drawings. Work also includes turbidity monitoring, endangered species observers (hopper dredges only), sea turtle trawl-sweeping (hopper dredges only), and marine animal observer (clamshell dredges only).