26-06 Cer962218C (Cerro Gordo)

The Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality, is requesting sealed bids for construction of a tile zone nutrient reduction wetland in Cerro Gordo County under Project 26-06 Cer962218C, with bids due July 16, 2026 at 3:00 p.m. local time via the Iowa Management of Procurement and Contracts System (IMPACS).

The scope encompasses selective clearing, excavation, and grading; installation of one inlet and one outlet concrete structure and two concrete manholes; 3,762 linear feet of tile installation; placement of 22 tons of riprap and 1,202 square yards of turf reinforcement mat; and 10.2 acres of seeding across approximately 33,356 cubic yards of earthwork. Construction must commence within 14 days of the preconstruction meeting and be substantially complete by June 15, 2027, with buffer seeding by June 30, 2027, and structural seeding by September 15, 2027. The estimated construction cost range is $350,000 to $400,000.

All bidders must be registered with the Iowa Department of Inspections, Appeals & Licensing. A bid bond equal to ten percent of the bid amount is required at submission; the successful bidder must furnish a Performance/Payment Bond equal to one hundred percent of the contract price. Plans and specifications were prepared by Brandon Short, P.E., of Bolton & Menk Inc. and are available through the Iowa Agriculture and Department of Administrative Services websites.

A non-mandatory pre-bid conference is scheduled for 1:00 p.m. on July 1, 2026, at Lynne Lornzen Park/Ventura Boat Ramp in Ventura, Iowa. Written questions regarding plans and specifications are due by 3:00 p.m. on July 8, 2026. Interested parties must register on the plan holders list by attending the pre-bid conference or contacting Tracy Blocker at tracy.Blocker@iowaagriculture.gov or 515-344-6279 to receive meeting minutes, addenda, and updates. Public bid opening will be held the same day as the submission deadline via Microsoft Teams.