The US Army Crops of Engineers, Little Rock District (CESWL), has been tasked to solicit and award a Design-Bid-Build competitive negotiation procurement in order to obtain construction services for a Hydraulic Containment Structure and Modifications to Owens Lake and LaGrues Lake Navigation System on the McClellan-Kerr Arkansas River Navigation System, Arkansas County, Arkansas. The North American Industry Classification System (NAICS) Code is 237990 ? Other Heavy and Civil Engineering Construction. The US Small Business Administration Size Standard is $45M Project Description: The general scope of the requirements will be Construction of a new containment structure (top elevation 157), installation of a bridge culvert into Owens Weir, replacement of culverts at La Grues Lake, and associate work; located in Arkansas County, near Tichnor, AR. Provide all management, tools, supplies, parts, materials, equipment, transportation, and trained labor necessary for the engineering, and construction of hydraulic structures from materials that can include, but are not limited to, soil cement, concrete, riprap constructed from rock gradations up to R7400 (see Gradation charts in appendix), sheet piling, seepage cutoff walls, culvert installation, underwater excavation and rock placement, and relocation of private fiber optic lines. Please note that document W9127S24R0002_VOL1_PLANS will be uploaded as Amendment 1 on Tuesday, 28 May 2024.Amendment 0001 incorporates W9127S24R0002_VOL1_PLANS.The purpose of Amendment 0002 is to incorporate the Bidding Schedule into the solicitation and to upload Amendment 0001 document. The purpose of Amendment 0003is to extend the Proposal Due Date to Friday, 23 August 2024 at 4:30 pm. CDT and extend the Projnet Close Date to Tuesday, 06 August 2024. The purpose of Amendment 0004 is to revise the solicitation based on the Projnet Questions and Answers.