26-01 Kos972821A (Kossuth)

The Iowa Department of Agriculture and Land Stewardship, Division of Soil Conservation and Water Quality, in cooperation with Jasper County and Alburnett City, is procuring construction services for Project 26-01 (Kos972821A), a nutrient reduction wetland restoration project located in Section 21, Township 97 North, Range 28 West, Kossuth County, Iowa. The procurement encompasses comprehensive wetland construction services including selective clearing, excavation, grading, steel sheet pile installation (1,444 square feet), drainage tile installation (515 linear feet), water control structure installation, riprap placement (548 tons), concrete grouting (108 cubic yards), earthwork operations (approximately 12,900 cubic yards total), and seeding of 17 acres across two phases. The project requires contractors to submit sealed bids through the Iowa Management of Procurement and Contracts System (IMPACS) by 3:00 PM local time on May 20, 2026, with bid opening occurring immediately thereafter via Microsoft Teams; a pre-bid conference is scheduled for 10:30 AM on April 23, 2026, at the USDA Service Center-NRCS in Algona, Iowa (attendance encouraged but not mandatory). All construction work except seeding must be completed by December 31, 2026, with structure seeding due by May 15, 2027, and buffer seeding by June 30, 2027; contractors must commence work within 14 days of the preconstruction meeting. Required bidder qualifications include registration with the Iowa Department of Inspections, Appeals & Licensing, ownership of at least 20 percent of required equipment, demonstrated performance history on similar projects, technical competency of key personnel, and satisfactory current contract status. Bidders must submit a proposal guarantee (bid bond) equal to 10 percent of the base bid amount and a notarized affidavit confirming examination of contract documents and absence of collusion; technical questions regarding plans and specifications must be directed to engineer Andrew Schippers (aschippers@ducks.org) and received by 3:00 PM on May 4, 2026, to be included in a final addendum.

No set-aside designations, disadvantaged enterprise restrictions, or incumbent vendor information are identified in the contract documents. The successful contractor must execute a Performance Bond equal to 100 percent of the contract price within 14 days of receiving the Notice-of-Award and must furnish all materials, equipment, supervision, labor, insurance, and necessary services to complete the work in a workmanlike manner. Materials purchased for the project are exempt from Iowa sales and use tax under Iowa Code Sections 422.42(16)(17) and 422.47(5), with an exemption certificate provided by IDALS. Liquidated damages are assessed at $175.00 per calendar day for failure to complete all work except seeding by December 31, 2026, and $125.00 per calendar day for seeding work delays beyond the specified deadlines. Monthly payment will be made at 97 percent of completed work value, with retention withheld for 30 days following final acceptance. The estimated construction cost range for this project is $350,000 to $450,000, with payment methodology structured as lump sum for site stripping, mobilization and demobilization, and water control structures, and unit-price bids for excavation, earthfill variants, topsoil placement, drainage tile, riprap placement, and seeding components.