Iowa City Community School District Bidopportunities #26-01 Kos972821A (Kossuth)

Construction of Kos972821A Nutrient Reduction Wetland in Kossuth County, Iowa

This opportunity seeks contractors for the construction of the Kos972821A Nutrient Reduction Wetland Project in Kossuth County, Iowa, managed by the Iowa Department of Agriculture and Land Stewardship, Division of Soil Conservation and Water Quality. - Government Buyer: - Iowa Department of Agriculture and Land Stewardship, Division of Soil Conservation and Water Quality - Supported by the Natural Resources Conservation Service (NRCS) and United States Fish & Wildlife Service - Project Scope: - Construction of a traditional breakpoint nutrient reduction wetland - Major work includes: - Selective clearing, site preparation, and crop damage mitigation - Excavation and earthwork (approx. 12,900 cubic yards) - Installation of steel sheet piling (1,444 sq ft) - Drainage tile investigation and installation (515 linear feet) - Installation of water control structures (including 48" aluminum WCS, 15" and 36" aluminum CMP pipes, stoplog storage structure) - Placement of riprap (548 tons) and concrete grout (108 cubic yards) - Seeding (17 acres total: structure and buffer) - Additional items: filter diaphragm, topsoil placement, dewatering, mobilization/demobilization - Products & Materials: - Steel sheet piling (IA CS-013) - HDPE dual-wall pipes (perforated and non-perforated, IA CS-046) - Aluminum corrugated metal pipes (IA CS-051) - Riprap (IA DOT Class E, IA CS-061) - Concrete grout (IA CS-062) - Geotextile, sand drainfill, and fabricated metal structures - Services: - Site preparation, crop damage mitigation, mobilization/demobilization, dewatering, and environmental compliance - Notable Requirements: - 10% bid bond and 100% performance/payment bond - Contractor registration with Iowa Department of Inspections, Appeals & Licensing - Strict quality assurance and compliance with all federal, state, and local laws - Sales tax exemption certificate for materials - Liquidated damages for late completion - Engineering and Oversight: - Plans and specifications by Ducks Unlimited (Andrew Schippers, P.E.) - Estimated Construction Cost: - $350,000 to $450,000 - No specific OEMs are mandated; materials must meet contract specifications - Key Locations: - Project site: Section 21, Township 97 North, Range 28 West, Kossuth County, Iowa - Pre-bid conference: USDA Service Center - NRCS, 605 E State St, Algona, IA 50511 - Contracting/government offices: Hoover State Office Building, Des Moines, IA; Ducks Unlimited, Dexter, MI

Description

This solicitation is a request for bids for the construction of a traditional breakpoint nutrient reduction wetland in Kossuth County, Iowa. The work includes selective clearing, excavation, grading, steel sheet pile installation, tile installation, water control structure installation, and seeding. The project involves approximately 12,900 cubic yards of earthwork, installation of 1,444 square feet of steel sheetpile, 515 linear feet of tile, 91 linear feet of drawdown pipe, 548 tons of riprap, 108 cubic yards of concrete grout, and 17 acres of seeding. Construction must commence within 14 days of the preconstruction meeting and be completed by December 31, 2026, with seeding deadlines extending into mid-2027. The estimated construction cost range is $350,000 to $450,000.

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