26-10_CAR833409A_Doc CC Schedule of Prices (WORKSHEET).pdf

This document is a Schedule of Prices worksheet for Bid No. 26-10, issued by the Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality, for the Car833409A Nutrient Reduction Wetland Project located in Section 09, Township 83 North, Range 34 West, Carroll County, Iowa. The project involves construction of a nutrient reduction wetland system with a solar-powered pump to treat water from an existing ditch. Key work items include site stripping and preparation, excavation of approximately 13,310 cubic yards, placement of earthfill totaling approximately 4,916 cubic yards, installation of reinforced concrete pipe (120 linear feet of 18-inch diameter and 130 linear feet of 36-inch diameter), a SW-401 pump basin, a solar pump system, a Modified SW-513 outlet structure, corrugated HDPE pipe installation (954 linear feet), CMP tile outlets, anti-seep collars, riprap placement (29.3 tons), and seeding of approximately 2.4 acres. The pre-bid meeting is scheduled for October 6, 2026 at 11:00 AM at Carroll Public Library with virtual attendance available. Written technical questions must be submitted to Brandon Short, P.E. of Bolton & Menk by 3:00 PM on October 14, 2026. Bids are due October 27, 2026 at 3:00 PM through the Iowa Management of Procurement and Contracts System (IMPACS). The contract term extends from commencement within 7 days of the preconstruction meeting through September 1, 2027, with seeding deadlines of December 15, 2027.

The estimated construction cost range is $175,000 to $275,000. Bid security equal to 10% of the bid price is required, and the successful bidder must furnish a Performance/Payment Bond equal to 100% of the contract price. All bidders must be registered with the Iowa Department of Inspections, Appeals & Licensing prior to contract execution. This worksheet is intended for preparation purposes only; official bids will be accepted exclusively through the online IMPACS portal. Interested parties must email Tracy Bruun at tracy.blocker@iowaagriculture.gov to be added to the plan holders list for receipt of meeting minutes, addenda, and plan holder updates.