Description
The Iowa Department of Agriculture and Land Stewardship is seeking bids for the construction of a CREP Tile Zone nutrient reduction wetland in Sac County, Iowa. The project involves selective clearing, excavation, grading, tile installation, tied concrete block mat, concrete manholes, and seeding. The estimated construction cost range is $375,000 to $475,000. The project includes approximately 9,000 CY of earthwork, 7,231 LF of pipe installation, 46 TN of erosion stone, 7,939 SF of Tied Concrete Block Mat, 8 concrete manholes, concrete riser with bar guard, 1,050 LF of silt fence, and 3.9 AC of seeding.
• The project requires the removal of existing material and vegetation to prepare the site for construction.
• The project involves the installation of erosion control measures, including silt fences and sediment basins.
• The project requires the seeding of disturbed areas with native grasses and forbs.
• The project involves the installation of concrete manholes and risers.
• The project requires the construction of a tied concrete block mat to prevent erosion.