Iowa City Community School District Bidopportunities #26-01 Kos972821A

Construction of Nutrient Reduction Wetland in Kossuth County, Iowa

This opportunity seeks contractors for the construction of a nutrient reduction wetland 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 (Water Resources Bureau) - Project supported by the Natural Resources Conservation Service (NRCS) and Iowa Department of Natural Resources - Project Scope: - Construction of a traditional breakpoint nutrient reduction wetland - Major work includes: - Selective clearing, site stripping, and preparation - Excavation and earthwork (over 12,900 cubic yards) - Installation of 1,444 square feet of steel sheet piling - Drainage tile investigation and installation (over 515 linear feet of tile, 91 linear feet of drawdown pipe) - Installation of water control structures (notably a 48" aluminum water control structure) - Placement of riprap (548 tons) and concrete grout (108 cubic yards) - Topsoil placement (over 1,700 cubic yards in some line items) - Seeding for structure (1 acre) and buffer (16 acres) - Installation of various pipes (HDPE, CMP, aluminum) and stoplog storage structure - Dewatering and pollution control - Products/Materials Requested: - Steel sheet piling, aluminum water control structures, HDPE and CMP pipes, geotextile, riprap, concrete, and seeding materials - Key part numbers include IA CS-001, IA CS-006, IA CS-013, IA CS-021, IA CS-023, IA CS-024, IA CS-026, IA CS-046, IA CS-051, IA CS-061, IA CS-062, IA CS-081, IA CS-011 - Services Requested: - Site preparation, mobilization/demobilization, drainage tile investigation, dewatering, and construction management - Unique/Notable Requirements: - Strict adherence to construction specifications and quality assurance/quality control plans - Compliance with environmental restrictions (no work before August 1, 2026) - Liquidated damages for late completion ($175/day for main work, $125/day for seeding) - 10% bid bond and 100% performance bond required - Sales tax exemption certificate provided for materials - Engineering plans and specifications by Ducks Unlimited - Estimated Contract Value: - $350,000 to $450,000 - No specific OEMs are named for materials or equipment, but aluminum water control structures and HDPE/CMP pipes are key components.

Description

This solicitation is for the construction of a traditional breakpoint nutrient reduction wetland located in Kossuth County, Iowa. The work includes selective clearing, excavation, grading, steel sheet pile installation, tile installation, water control structure, and seeding. The project involves approximately 12,900 cubic yards of earthwork, installation of steel sheetpile, water control structures, tile installation, riprap, concrete grout, and seeding over 17 acres. Construction must be completed by December 31, 2026, with seeding deadlines of May 15, 2027, for structure seeding and June 30, 2027, for buffer seeding. The estimated construction cost range is $350,000 to $450,000.

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