Constructed Nutrient Reduction Wetland

Background

The Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality is issuing a Request for Bids (RFB) for the construction of a Nutrient Reduction Wetland in Chickasaw County. The project aims to enhance water quality through the establishment of wetlands that reduce nutrient runoff. This contract is part of the agency's mission to promote sustainable agricultural practices and improve water quality in Iowa.

Work Details

The work involves selective clearing, excavation and grading, sheet pile installation, tile and outlet structures, riprap placement, and seeding. Specific quantities include approximately: - 25,970 cubic yards (CY) of earthwork - 600 square feet (SF) of sheet pile installation - 425 tons (TN) of riprap with 8 CY of grout - 86 linear feet (LF) of CMP pipe - 1.10 acres (AC) of structure seeding - 18.90 AC of buffer seeding. The project also includes site stripping and preparation, pollution control measures, silt fence installation, mobilization and demobilization, tile investigation, and various earthfill tasks. Construction will commence within 7 days following the preconstruction meeting.

Period of Performance

Construction is expected to start within 7 days after the preconstruction meeting and must be completed by June 15, 2027. Seeding deadlines are set for: - June 30, 2027 for buffer seeding - September 15, 2027 for structure seeding.

Place of Performance

The contract will be performed in Chickasaw County, Iowa.

Bidder Requirements

Bidders must be registered with the Iowa Department of Inspections, Appeals & Licensing. A bid bond equal to ten percent (10%) of the bid amount is required. Successful bidders must furnish a Performance/Payment Bond equal to one hundred percent (100%) of the contract price. Non-Iowa corporations must provide proof of authorization by the Secretary of State to do business in Iowa.