4_26-09_Har892022C_Schedule of Prices Worksheet.pdf

This is a Schedule of Prices Worksheet for a nutrient reduction wetland construction project managed by the Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality in Hardin County. The project encompasses site preparation, seeding, mobilization, drain tile investigation and removal, earthwork, pipe installation, water control structures, and associated materials across approximately 6.8 acres. The scope includes 2,800 linear feet of drain tile removal, 904 cubic yards of general excavation, 17,100 cubic yards of earthfill in various configurations, 5,591 cubic yards of topsoil placement, reinforced concrete pipe and corrugated polyethylene pipe installations totaling over 3,200 linear feet, a 4' x 4' water control structure, a stoplog storage structure, three corrugated metal pipe tile outlets of varying sizes, and 245 tons of rip rap. Construction must commence within seven days of the preconstruction meeting with completion targeted for June 15, 2027, with buffer seeding completed by June 30, 2027 and structure seeding by September 15, 2027. The pre-bid conference is scheduled for August 13, 2026 at 9:00 a.m. at the Hardin County ISU Extension Office in Iowa Falls, with sealed bids due August 26, 2026 at 3:00 p.m. CDT through the Iowa Management of Procurement and Contracts System (IMPACS).

The bidder identified in this worksheet is IMPACS, with pricing to be submitted through the online IMPACS platform for each line item. The estimated construction cost range is between $200,000 and $300,000. Bidders must submit a bid bond equal to 10% of the bid amount and a Performance/Payment Bond equal to 100% of the contract price upon award. All bidders must be registered with the Iowa Department of Inspections, Appeals & Licensing prior to contract execution, and non-Iowa corporations must provide proof of authorization from the Iowa Secretary of State to conduct business in Iowa prior to award. Technical questions regarding plans and specifications must be submitted in writing to Dan Jensen, P.E., at Shive-Hattery with copies to Tracy Blocker by 3:00 p.m. on August 20, 2026 for inclusion in a final addendum, and prospective bidders must register on the plan holders list with Tracy Blocker to receive meeting minutes and addenda.