The U.S. Army Corps of Engineers (USACE), Philadelphia District has a requirement for the Maintenance Dredging, Delaware River, Philadelphia to Sea and Wilmington Harbor FY26 Project. 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 350,000 cubic yards within Wilmington Harbor, Christina River. Work includes hydraulic cutterhead dredging only south of Station 190+000 and mechanical or hydraulic cutterhead dredging north of Station 190+000 with placement of the dredged material into the Pedricktown, Delaware City, and/or Killcohook 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 will be 240 calendar days.***** AMENDMENT 0001 - 11 JUN 2026 - The purpose of Amendment 0001 to Solicitation W912BUBA006 is as follows: a) To revise Section 00 21 00 - Instructions; Instructions, Conditions and Notices to Bidders; 1.11 Prospective Bidders Questions and Requests for Information (RFI); RFIs due date from 08 JUL 2026 to 23 JUN 2026. b) To provide Request for Information (RFI) questions and responses. c) Update FAR 52.252-3, Alterations in Solicitation. *****