Cer962218C 26-06 (Cerro Gordo)

The Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality is requesting bids for a Tile Zone nutrient reduction wetland project in Cerro Gordo County, with bids due July 16, 2026 at 3:00 PM CDT. The solicitation centers on earthwork, concrete structures, tile installation, and seeding across approximately 33,356 cubic yards of material movement.

The scope comprises selective clearing, excavation, and grading; installation of one inlet and one outlet concrete structure plus two concrete manholes; 3,762 linear feet of tile installation; placement of 22 tons of riprap; 1,202 square yards of turf reinforcement mat; and 10.2 acres of seeding. Twenty line items with specific quantities and delivery dates structure the work. Construction must commence within seven days of the preconstruction meeting and be completed by June 15, 2027, with seeding deadlines of June 30, 2027 for structures and September 15, 2027 for buffers.

The estimated construction cost range is $350,000 to $400,000. Bidders must submit a bid bond equal to ten percent of the bid amount and a performance/payment bond equal to one hundred percent of the contract price upon award. All bidders must be registered with the Iowa Department of Inspections, Appeals & Licensing, and non-Iowa corporations must provide proof of authorization to conduct business in Iowa prior to contract execution.

A pre-bid conference is scheduled for July 1, 2026 at 1:00 PM at Lynne Lornzen Park/Ventura Boat Ramp in Ventura, Iowa; attendance is encouraged but not mandatory. Written questions regarding plans and specifications must be received by the project engineer by 3:00 PM on July 8, 2026 to be included in a final addendum. Bids must be submitted through the Iowa Management of Procurement and Contracts System (IMPACS).