Description
This solicitation seeks a qualified contractor to construct a traditional breakpoint nutrient‑reduction wetland in Clay County, Iowa. The work includes extensive earthwork, steel sheet‑pile installation, HDPE tile and reinforced concrete pipe placement, riprap, concrete grout, and seeding of 15.2 acres. The project’s estimated construction cost is $450,000‑$550,000, with construction to be completed by 15 Nov 2027 and final seeding by 15 Dec 2027. The contractor must comply with NRCS standards, provide pollution control measures, and manage all related permitting and inspections. • Scope: selective clearing, excavation, grading, sheet‑pile, tile, water‑control structure, riprap, grout, seeding. • Quantities: 15,204 cy earthwork, 2,523 sf steel sheet pile, 540 lf HDPE tile, 957 lf reinforced concrete pipe, 303 tons riprap, 46 cy grout, 15.2 acres seed. • Schedule: Bid open 9/27/2026 – 10/27/2026; construction complete 11/15/2027; seeding complete 12/15/2027. • Location: Clay County, IA. • Budget: $450‑$550 K. • Required certifications: NRCS compliance, licensed PE oversight.