Schedule of Prices - REVISED.pdf

This is a Schedule of Prices document for a sealed-bid construction contract issued by the Iowa Department of Agriculture and Land Stewardship, Division of Soil Conservation and Water Quality, for the HAM892326B Nutrient Reduction Wetland Project located in Section 26, Township 89 North, Range 23 West, Hamilton County, Iowa. The project encompasses construction services including site stripping and preparation, excavation totaling 19,671 cubic yards, earthfill placement of 1,464 cubic yards, installation of reinforced concrete pipe in three diameter sizes (12", 15", and 18") totaling 2,645 linear feet, smooth-lined CPDT pipe (15" diameter) of 1,579 linear feet, concrete structures including inlet/outlet structures and manhole construction, tied concrete block matting of 2,350 square feet, riprap placement of 33.3 tons, and seeding operations across 21.5 acres. Sealed bids must be submitted through the Iowa Management of Procurement and Contracts System (IMPACS) by 3:00 PM on Wednesday, May 20, 2026, with public bid opening via Microsoft Teams at the same time. A pre-bid conference is scheduled for 9:00 AM on April 20, 2026, at Williams Public Library in Williamsburg, Iowa. Construction must commence within 14 days of the preconstruction meeting, with all work except seeding completed by December 31, 2026, structure seeding by May 15, 2027, and buffer seeding by June 30, 2027. Written technical questions must be submitted to Engineer Brandon C. Short, P.E. at brandon.short@bolton-menk.com by 3:00 PM on May 1, 2026.

The estimated project cost ranges between $250,000 and $350,000, with award based on lowest responsible bidder considering bid price and bidder qualifications. Bidders must submit a proposal guarantee (bid bond) equal to 10 percent of the base bid amount and must be registered with the Iowa Department of Inspections, Appeals & Licensing while demonstrating ownership of at least 20 percent of required equipment. The successful bidder will be required to furnish a Performance Bond equal to 100 percent of the contract price within 14 days of award notification. Progress payments will be made monthly at 97 percent of completed work value with 3 percent retained until final project acceptance. Liquidated damages of $175 per day apply for delays in non-seeding work and $125 per day for seeding activity delays. No specific set-asides for disadvantaged enterprises are identified, and materials purchased are exempt from Iowa sales and use taxes with an exemption certificate provided by the Division.