This Iowa Department of Agriculture and Land Stewardship solicitation calls for a contractor to execute the Wright County “Batch and Build” project, which includes the construction of four denitrifying bioreactors and seven saturated buffer structures. The scope covers site preparation, excavation, earthwork, grading, installation of water‑control structures, pipe, geotextile, wood‑chip media, and final seeding/mulching. The work is limited to the physical construction phase; design and engineering are already completed in the attached plans and specifications. The estimated contract value is $165‑$185 K, with a bid window from 9 Oct 2026 to 6 Oct 2026.
• Location: Wright County, Iowa
• Project elements: 4 bioreactors, 7 saturated buffers, water‑control structures, drainage piping, geotextile, wood‑chip media, grading, seeding, mulching
• Required activities: clearing, grubbing, excavation, earthfill, pipe installation, outlet construction, erosion‑control, mobilization/demobilization
• Materials: wood‑chips, geotextile fabric, perforated & non‑perforated pipe, outlet structures, etc.
• Estimated cost: $165,000‑$185,000
• Bid period: 9 Oct 2026 10:00 AM – 6 Oct 2026 3:00 PM
• Contact: Emalyn Polz, Environmental Specialist (email & phone provided)
• Submission: Standard bid book and required documents per the “Bid Book” attachment.