Wir922420D 26-05 (Wright)

Construction of a traditional breakpoint nutrient‑reduction wetland in Wright County, Iowa, including extensive earthwork, sheet‑pile installation, tile drainage, water‑control structures, riprap, concrete grout, and two phases of seeding. The contract is firm‑fixed‑price with a $450‑$550 k estimated construction cost range and requires a 10 % bid bond and a 100 % performance bond. The work must be completed by mid‑2027, with liquidated‑damage penalties for late performance. • Scope includes ~12,950 CY earthwork, 932 SF steel sheet‑pile, 2,500 LF tile, 59 LF draw‑down pipe, 532 TN riprap, 106 CY concrete grout, and 26.3 ac seeding. • Mandatory registration with the Iowa Department of Inspections, Appeals & Licensing; all bids submitted via IMPACS. • Pre‑bid conference on July 1 2026 (optional); questions due July 8 2026; bid deadline July 16 2026.