Car853313A Nutrient Reduction Wetland

The Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality, is seeking bids for the Car853313A Nutrient Reduction Wetland Construction project located in Carroll County, Iowa. This Request for Bid (RFB) involves constructing a traditional breakpoint nutrient reduction wetland with comprehensive infrastructure development. The project scope includes approximately 17,500 cubic yards of earthwork, 2,595 square feet of steel sheet pile weir construction, water control structures, inlet risers, 136 feet of 15-inch diameter CMP, 812 tons of riprap, 98 cubic yards of concrete grout, 12.7 acres of seeding, and 2,175 feet of 9-inch diameter straw wattle. The bid opens on September 11, 2025, and closes on October 8, 2025, at 3:00 PM CDT, with a mandatory pre-bid conference scheduled for September 23, 2025, at the Calhoun County Extension Service. Bidders are required to submit a 10% bid bond and must be registered with the Iowa Department of Inspection, Appeals & Licensing. Potential bidders must contact Tracy Bruun at tracy.bruun@iowaagriculture.gov or +1 515-344-6279 to be added to the plan holders list and receive potential addenda or updates.

The contract has an estimated construction cost range between $350,000 and $400,000, with the successful bidder required to furnish a Performance/Payment Bond for 100% of the contract price. The project must be completed by November 15, 2026, with specific component delivery dates outlined in the bid documents. Bid documents, including detailed plans and construction specifications, are available through the Iowa Agriculture website and the Iowa Department of Administrative Services website. While no specific set-aside designations for disadvantaged enterprises are mentioned in the documentation, standard state procurement regulations likely apply. The project appears to be a standalone infrastructure improvement initiative focused on nutrient reduction and watershed management, with no indication of incumbent vendors or existing technological infrastructure requiring integration. Interested contractors should carefully review all technical specifications and be prepared to demonstrate capability in large-scale earthwork, wetland construction, and environmental restoration techniques.