Z--Maintenance Dredging, 42-Foot Project, U.S. Naval Station Mayport, FL Entrance Channel, Turning Basin, Destroyer Slip, Carrier Basin, and Pier C-2, U.S. Naval Station Mayport, Duval County, Florida

Work includes dredging approximately 725 thousand cubic yards of material from the Entrance Channel, Turning Basin, Carrier Basin, and Pier C-2. Excavated material from this portion of the project shall be placed in the Jacksonville Ocean Dredged Material Disposal Area (ODMDS) Release Zone. Work also includes dredging approximately 121 thousand cubic yards of material from the Destroyer Slip and Small Craft Basin. Excavated material from this portion of the project shall be placed in the Mayport Naval Station Upland Disposal Area D/A-O. Project work will be subdivided into a base bid and four option bid items as follows: The base bid will require dredging of portions of the Entrance Channel and Turning Basin totaling approximately 291,000 cy of material with placement in the ODMDS. Bid Option A will require dredging of portions of the Turning Basin totaling approximately 422,000 cy of material with placement in the ODMDS. Bid Option B will require dredging of the Destroyer Slip totaling approximately 108,000 cy of material with placement in D/A-O. Bid Option C will require dredging of the Small Craft Basin totaling approximately 13,000 cy of material with placement in D/A-O. And Bid Option D will require dredging of portions of the Entrance Channel totaling approximately 12,000 cy of material with placement in the ODMDS. Required depths for the project range from 14-feet MLLW in the Small Craft Basin to 50-feet MLLW in the Carrier Basin and Pier C-2. There is a 2-foot allowable overdepth applied to all dredging areas.