The Iowa Department of Agriculture and Land Stewardship is seeking bids for the construction of two nutrient reduction wetlands, CAL883229BN and CAL883229BS, in Calhoun County, Iowa. The project involves selective clearing, excavation, and grading, as well as the installation of lift stations, solar-powered pumps, force mains, tiles, inlet risers, water control structures, drawdown pipes, riprap, and seeding. The estimated construction cost range for CAL883229BN is $375,000 to $475,000, and for CAL883229BS is $175,000 to $275,000. The project has a specified completion date of December 31, 2026, for all work except seeding, and May 15, 2027, and June 30, 2027, for structure and buffer seeding, respectively.
• The project requires the construction of two nutrient reduction wetlands
• The project involves selective clearing, excavation, and grading
• The project requires the installation of lift stations, solar-powered pumps, force mains, tiles, inlet risers, water control structures, drawdown pipes, riprap, and seeding
• The estimated construction cost range for CAL883229BN is $375,000 to $475,000
• The estimated construction cost range for CAL883229BS is $175,000 to $275,000