Site work for a road / highway in Rowan, Iowa. Completed plans call for site work for a road / highway.

This project is for a traditional breakpoint nutrient reduction wetland. In general, the work involves, but is not limited to, selective clearing, excavation, grading, steel sheetpile installation, tile installation, water control structure and seeding. This project includes about 12,950 cubic yards of earthwork, installation of 932 square feet of steel sheetpile, water control structure, 2,500 linear feet (LF) of tile installation, 59 LF of drawdown pipe, 532 tons of riprap, 106 cubic yards of concrete grout and 26.3 acres of seeding. The estimated construction cost range for this project is $450,000 to $550,000. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. Bids must be submitted on the appropriate bid forms provided and shall include a bid bond in the amount of ten percent (10%). Construction will commence within 14 days of the preconstruction meeting, unless otherwise mutually agreed upon. Construction deadline: 06/15/2027 Seeding deadline-buffer: 06/30/2027 Seeding deadline-structure: 09/15/2027 The successful bidder shall be required to furnish a Performance/Payment Bond in an amount equal to one hundred percent (100%) of the contract price. Questions concerning the Plans and Construction Specifications should be in writing and addressed to Andrew Schippers, P.E., aschippers@ducks.org, and must copy Tracy Blocker, Division, tracy.blocker@iowaagriculture.gov. All other questions concerning other Contract Documents should be addressed to Tracy Blocker, Division, tracy.Blocker@iowaagriculture.gov or 515-344-6279. To be considered in a final addendum, written questions must be received by 3:00 PM The Division reserves the right to reject any or all proposals and to waive technicalities and irregularities.