Project Title: Indefinite Delivery (ID) Multiple Award Task Order Contract (MATOC) for 110 Stoplog (Bulkhead) Slot Cuts Conversion, McClellan-Kerr Arkansas River Navigation System (MKARNS), Arkansas and Oklahoma. Description of Work: A complete description of work for each specific project will be provided in the technical specifications for individual task orders. The maximum combined contract capacity is $200M. Task order limitations are detailed in FAR 52.216-19. Ordering Period: Five (5) years from the date of contract award. This is a Full and Open procurement. The NAICS Code is 237990, Other Heavy and Civil Engineering Construction, which has a small business size standard of $45M. Bidder Inquiry: A Request for Information (RFI) Review has been set up at www.projnet.org for this solicitation. The Projnet Inquiry Key is NQR3WZ-67YPAW. The submission period is open from March 23, 2023, until April 14, 2023. Block 11: Performance period(s) shall be provided on individual task order. Block 12 A and B: Performance and Payment Bonds will be applicable to individual task orders.