Bre911312B Nutrient Reduction Wetland

The Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality, is soliciting bids for the Bre911312B Nutrient Reduction Wetland Project located in Bremer County, Iowa. The project involves constructing a nutrient removal wetland in the floodplain, with comprehensive scope including selective clearing, excavation, grading, steel sheet pile weir construction, tile installation, water control structures, and seeding. Key deliverables encompass 24,892 cubic yards of earthwork, 414 square feet of steel sheet pile, 3,162 linear feet of tile installation, 430 tons of riprap, 60 tons of 2-inch clean stone, 63 cubic yards of concrete grout, and 8.8 acres of seeding. The project has strict completion deadlines, with all construction work required to be completed by June 1, 2025, and seeding finalized by June 30, 2025. A mandatory pre-bid conference is scheduled for July 15, 2024, at the Denver City Hall, and sealed bids will be received until 3:00 PM local time on August 1, 2024, with a public bid opening at 3:10 PM. Bidders must submit a bid bond for 10% of the bid amount and be registered with the Iowa Division of Labor.

There are no specific set-aside designations or restrictions mentioned for disadvantaged enterprises in the procurement documents. Contractors must provide a Performance/Payment Bond for 100% of the contract price and submit detailed documentation including a list of subcontractors, principal suppliers, and required permits. The estimated construction cost range is $350,000 to $450,000, with liquidated damages established at $175 per day for non-completion of work by June 1, 2025, and $125 per day for seeding not completed by June 30, 2025. The project is funded through state agricultural conservation programs and focuses on nutrient reduction and watershed management. Contract documents, prepared by Shive-Hattery Architecture + Engineering, are available through the Iowa Agriculture website, and interested parties must request to be added to the plan holders list. The project includes a tax exemption for materials and will have construction observation by Shive-Hattery for critical aspects such as embankment grading, sheet pile installation, and seeding.