Maintenance Dredging, Delaware River, Philadelphia to Sea and Christina River, Wilmington Harbor

Contract work consists of maintenance dredging of approximately 2.5 million cubic yards of sediment within the Delaware River, Philadelphia to Sea main navigation channel between Stations 0+000 and 515+000 and approximately 400,000 cubic yards within Wilmington Harbor, Christina River. Work includes hydraulic dredging with placement of the dredged material into the Pedricktown and Delaware City disposal areas. All dredging will be performed to the required depths indicated with 1 or 2-foot allowable overdepth. All dredging shall be performed as contour dredging. Before and after dredging surveys for measurement will be performed by the government. The period of performance for the contract will be 240 calendar days. Estimated cost range of the project is $25,000,000 to $100,000,000