26-12 (25-17) Emm1003114B (Emmett)

The Iowa Department of Agriculture and Land Stewardship is seeking qualified contractors to construct a breakpoint nutrient‑reduction wetland in Emmet County (Section 14, T100N R31W). The scope includes selective clearing, excavation of approximately 6,000 cubic yards, installation of 2,172 sq ft of steel sheet‑pile, placement of 151 lf of 12″ HDPE dual‑wall pipe, construction of aluminum water‑control structures, stop‑log storage, riprap (≈ 672 tons) with concrete grout, topsoil handling, and seeding of roughly 17.3 acres (buffer and structure). Estimated construction cost range is $375,000‑$475,000. Bids must be submitted via IMPACS by 27 Oct 2026, with a 10 % bid bond required. A pre‑bid conference (virtual and optional in‑person) is scheduled for 14 Oct 2026. Completion of all non‑seeding work is required by 15 Sep 2027; seeding must be finished by 15 Dec 2027. Liquidated damages of $175/day (non‑seeding) and $125/day (seeding) apply. • Site work: clearing, grading, earth‑fill, and dam/berm construction. • Structural work: sheet‑pile weir, aluminum water‑control structures, HDPE pipe, and riprap with grout. • Environmental work: topsoil management, seeding (buffer and structure) and compliance with NRCS and endangered‑species safeguards. • Procurement: electronic bid submission, 10 % bid bond, performance bond equal to 100 % of award, and registration with Iowa DIAL required.