Winn981024D 25-20

The Winn981024D Nutrient Reduction Wetland Project involves the construction of a nutrient reduction wetland with a chute outlet structure. The project includes selective clearing, excavation, grading, installation of tied concrete block mat, tile installation, water control structure, and seeding. The estimated construction cost range is $200,000 to $300,000. The project is located in Winneshiek County, Iowa. • The project requires the completion of approximately 15,200CY of earthwork, installation of 6,608SF of tied concrete block mat, water control structure, 1,100LF of tile installation, 108LF of RCP drawdown pipe, 48TN of riprap, 2 anti-seep collars, 1 concrete apron with footing guard, and 8.0 ACS of seeding. • The project has a specified completion date of November 15, 2026, for all work except seeding, and December 15, 2026, for seeding. • Liquidated damages will be assessed at $175.00 per day for all work except seeding and $125.00 per day for seeding.