Iowa Impacs #Cla953734C 26-11

Construction of Nutrient Reduction Wetland in Clay County, Iowa

This opportunity involves the construction of a traditional breakpoint nutrient reduction wetland in Clay County, Iowa, managed by the Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality. - Government Buyer: - Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality - Project Scope: - Construction of a nutrient reduction wetland - Site preparation including selective clearing, excavation, and grading - Installation of steel sheetpile (2,523 sq ft) - Installation of HDPE tile (540 linear feet) - Installation of reinforced concrete pipe (957 linear feet) - Installation of water control structure - Placement of riprap (303 tons) and concrete grout (46 cubic yards) - Seeding of 15.2 acres - Products Requested: - Steel sheetpile - HDPE tile - Reinforced concrete pipe - Riprap - Concrete grout - Seeding materials - Services Requested: - Site preparation and construction services - Installation of water control structure - Unique Requirements: - Bid bond of 10% required - Performance/payment bond equal to 100% of contract price - Bidders must be registered with Iowa Department of Inspections, Appeals & Licensing - Construction must commence within 7 days of preconstruction meeting - Completion deadlines for construction and seeding - Estimated Construction Cost: - $450,000 to $550,000 - No specific OEMs or vendors are named for materials or equipment - Plans and specifications prepared by Brandon Short, P.E., Bolton & Menk - No administrative or procedural details included in scope

Description

This project is for a traditional breakpoint nutrient reduction wetland located in Clay County. The work includes selective clearing, excavation, grading, steel sheetpile installation, tile installation, water control structure, riprap, concrete grout, and seeding. The estimated construction cost ranges from $450,000 to $550,000. Construction must commence within 7 days of the preconstruction meeting and be completed by November 15, 2027, with seeding deadlines extending to December 15, 2027.

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