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Sealed bids are due by 3:00 PM local time on July 16, 2026, submitted via the Iowa Management of Procurement and Contracts System (IMPACS). The project involves constructing a nutrient reduction wetland, including clearing, excavation, grading, sheet pile and tile installation, water control structure, and seeding. The estimated construction cost is between $450,000 and $550,000. Construction must commence within 14 days of the preconstruction meeting, with a construction deadline of June 15, 2027, and seeding deadlines in June and September 2027. A prebid conference is scheduled for July 1, 2026, at 9:00 AM, attendance is encouraged but not mandatory. Questions regarding plans and specifications should be submitted in writing to Andrew Schippers, P. E. , copying Tracy Blocker, by July 8, 2026, 3:00 PM, for inclusion in a final addendum. Bidders must be registered with the Iowa Department of Inspections, Appeals, and Licensing and provide a 10% bid bond. A performance and payment bond of 100% of the contract price will be required from the successful bidder.
Construction must be completed by June 15, 2027. Seeding deadlines are June 30, 2027, and September 15, 2027.
Bidders must be registered with the Iowa Department of Inspections, Appeals, and Licensing.
A prebid conference will be held on July 1, 2026, at 9:00 AM. Attendance is not mandatory but encouraged.
Written questions must be received by 3:00 PM on July 8, 2026, to be considered in a final addendum.
The division reserves the right to reject any or all proposals and to waive technicalities and irregularities.
The estimated construction cost range for this project is $450,000 to $550,000.