Description
This Iowa State bid calls for the design‑build construction of two nutrient‑reduction wetland systems (East and West) in Worth County. The contractor must perform site clearing, excavation, grading, install tile and outlet structures, place riprap, construct concrete intake and lift‑station structures, install three solar‑powered pump systems, and seed 2.5 acres. The scope includes approximately 7,500 cubic yards of earthwork, 700 linear feet of pipe, 129 tons of riprap, and multiple concrete structures. Completion is required by September 1 2027 for construction and December 15 2027 for seeding. Estimated contract value is $225‑$325 K.