5-26-12_Emm1003114B_Doc CC_ 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 Emmett County. The project (RFB 26-12, Project ID Emm1003114B) encompasses construction of a Constructed Nutrient Reduction Wetland across approximately 17.3 acres, with work including selective clearing, excavation, grading, steel sheetpile installation, drainage tile work, water control structures, riprap placement, concrete grout work, and seeding. The 24-line-item bid schedule details specific quantities for major components including 1 lump-sum stripping and mobilization/demobilization; 17.3 acres of seeding (0.5 acres structure seeding and 16.8 acres buffer seeding); 2,172 square feet of steel sheet piling; approximately 6,000 cubic yards of earthwork across multiple classifications; 378 linear feet of various pipe installations; 1 aluminum water control structure and 1 stoplog storage structure; 672 tons of riprap; 118 cubic yards of concrete grout; and 50 tons of macadam stone. Sealed bids were due October 27, 2026 at 3:00 PM CDT through the Iowa Management of Procurement and Contracts System (IMPACS). A non-mandatory pre-bid meeting was scheduled for October 14, 2026 at 10:30 AM CDT at Armstrong Public Library in Armstrong, Iowa, with written questions due October 20, 2026 at 3:00 PM CDT. Construction must commence within 7 days of the preconstruction meeting and be completed by September 15, 2027, with seeding deadlines on December 15, 2027.

The estimated construction cost range is $375,000 to $475,000, with bidders required to submit a bid bond equal to 10 percent of the bid amount. All unit prices and the total base bid are to be completed in the worksheet, though actual bids must be submitted through the IMPACS online system. The successful bidder must furnish a Performance/Payment Bond equal to 100 percent of the contract price and register with the Iowa Department of Inspections, Appeals & Licensing prior to contract execution. Contract documents, including plans and specifications prepared by Project Engineer Andrew Schippers, P.E. of Ducks Unlimited, are available through the Iowa Department of Administrative Services website. Interested parties must request inclusion on the plan holders list to receive meeting minutes, addenda, and updated communications regarding the project.