Description
The State of Iowa’s Agriculture and Land Stewardship agency is seeking qualified contractors to construct a 2.4‑acre wetland treatment system in Carroll County. The scope includes selective clearing, excavation and grading of roughly 19,861 cubic yards of earth, installation of 835 linear feet of corrugated metal pipe, placement of 29 tons of riprap, construction of concrete outlet and lift‑station structures (SW‑513 and SW‑401), installation of a solar‑panel‑powered pump, and seeding of the restored area. The project’s estimated construction cost is $150,000‑$250,000, with construction to be completed by September 1 2027 and final seeding by December 15 2027. Contractors must submit bids by October 27 2026.
• Location: Carroll County, Iowa (Des Moines agency office)
• Contract type: Invitation for Bid (RFB)
• Total contract value: $150‑$250 K
• Key work items: earthwork, pipe & tile installation, concrete structures, solar pump, riprap, and seeding
• Schedule: Bid submission by 10/27/2026; construction by 9/1/2027; seeding by 12/15/2027
• Required qualifications: Experience with civil‑engineering construction, wetland restoration, and solar‑powered water‑treatment systems.