26-06_Cer962218C_DocCC_Schedule of Prices _ WORKSHEET.pdf

This is a Schedule of Prices worksheet for a nutrient reduction wetland project administered by the Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality, in Cerro Gordo County, Iowa. The project, identified as Cer962218C Bid No. 26-06, encompasses site preparation, seeding, excavation, pipe installation, and erosion control measures across approximately 33,356 cubic yards of earthwork. Key line items include 32,583 cubic yards of general excavation, 773 cubic yards of earthfill, 9.1 acres of buffer seeding, 1.1 acres of structure and channel seeding, 1,849 linear feet of reinforced concrete pipe in various diameters, 1,913 linear feet of dual-wall HDPE and CPDT pipe, two concrete manholes, one inlet and one outlet structure, 22 tons of Class E riprap, and 1,202 square yards of turf reinforcement mat. Bidders must submit proposals through the Iowa Management of Procurement and Contracts System (IMPACS) with bids due July 16, 2026 at 3:00 PM CDT. A pre-bid conference is scheduled for July 1, 2026 at 1:00 PM at Lynne Lornzen Park in Ventura, Iowa, with written questions due by July 8, 2026. Construction must commence within seven days of the preconstruction meeting and be completed by June 15, 2027, with final 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 are required to 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 before contract execution. The worksheet is for planning purposes only and indicates that the bidder named IMPACS has submitted pricing information across the eighteen line items, with a total base bid amount to be calculated and submitted through the online IMPACS system.