University Park Wastewater Lagoon Facility - Riley County, KS

The Riley County Board of Commissioners is soliciting competitive bids for the design‑build construction of a two‑cell, non‑discharging wastewater lagoon facility and an associated submersible sanitary sewer pump station at University Park. The scope includes extensive earthwork (≈38,097 CY common excavation, 917 CY contractor‑supplied excavation), placement of 31,211 CY compacted fill, installation of pond sealant, stone rip‑rap slope protection, influent structures, 8‑inch DIP and PVC force mains, fencing, and the pump station itself. All labor, equipment, materials, and related incidental work are required to complete the improvements as shown in the bid documents. • Approximately 38,000 cy of excavation and 31,000 cy of fill – large earth‑moving contract. • Installation of 4,486 ft of 8‑in PVC force main, 284 ft of 8‑in DIP piping, and a submersible pump station. • Site work includes 2,271 ft of fencing, pond sealant (278 tons bentonite) and 4,021 sq yd of stone rip‑rap.