WINN981024d 25-20

The Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality is seeking bids for the construction of a nutrient reduction wetland. The project involves selective clearing, excavation, grading, installation of tied concrete block mat, tile installation, water control structure, and seeding. The estimated construction cost range for this project is $200,000 to $300,000. A pre-bid conference will be held on December 2, 2025, at the Spillville Public Library. Bidders must submit their bids through the Iowa Management of Procurement and Contracts System (IMPACS) by December 17, 2025. • The project requires the construction of a nutrient reduction wetland with a chute outlet structure. • The work involves selective clearing, excavation, grading, installation of tied concrete block mat, tile installation, water control structure, and seeding. • The project includes about 15,200 cubic yards of earthwork, installation of 6,608 square feet of tied concrete block mat, water control structure, 1,100 linear feet of tile installation, 108 linear feet of RCP drawdown pipe, 48 tons of riprap, 2 anti-seep collars, 1 concrete apron with footing guard, and 8.0 acres of seeding. • The successful bidder shall be required to furnish a Performance/Payment Bond in an amount equal to one hundred percent (100%) of the contract price.