26-16 Buc880725C (Buchanan)

The Iowa Department of Agriculture and Land Stewardship is soliciting sealed bids for the design‑build construction of a nutrient‑reduction wetland in Buchanan County. The work includes extensive earthmoving, installation of drainage tile, a water‑control structure, tied concrete block mat, rip‑rap, PVC/PE pipe, corrugated metal pipe, and seeding of approximately six acres. A 10 % bid bond and a 100 % performance bond are required, and bidders must be registered with the Iowa Department of Inspections, Appeals & Licensing. • Scope: Site clearing, excavation (≈ 22,900 CY), earthfill, tile‑drain removal & replacement, PVC/PE pipe (16 in.), water‑control structure, tied concrete block mat (2,500 SF), rip‑rap (30.5 TN), and seeding (≈ 6 ac). • Schedule: Pre‑bid conference 10/28/2026 (optional), bid submission deadline 11/12/2026, construction start within 7 days of the pre‑construction meeting, final completion 11/15/2027 (non‑seeding) with seeding extensions to 12/15/2027. • Requirements: 10 % bid bond, 100 % performance bond, registration with Iowa DIAL, attendance at pre‑bid optional, virtual option available, and compliance with NRCS IA specifications (IA‑CS‑001, IA‑CS‑045, etc.).