81st Street and Nieman Road Stream Crossing Repairs – Contract No. SMTC-C046

This Invitation for Bid seeks a qualified contractor to perform comprehensive stream crossing repairs at 81st Street and Nieman Road in Johnson County, Kansas. The work includes full supervision, material supply, labor, equipment, testing, and all incidentals required to replace and rehabilitate existing sanitary sewer infrastructure, install new precast manholes, PVC and ductile‑iron pipe, cured‑in‑place lining, concrete encasements, and associated site restoration and erosion control measures. The contract is awarded on a lump‑sum basis and requires a 5 % bid bond, insurance, and compliance with local preference policies. • Replace existing 4‑ft precast manholes and install new ones along new and existing alignments. • Install 21‑in SDR‑26 PVC pipe and 20‑in Class 50 ductile‑iron pipe, plus cured‑in‑place pipe lining for rehabilitation. • Remove and abandon existing sanitary sewers with flowable fill; install reinforced concrete encasements and pipe supports. • Perform pre‑construction surface video, internal CCTV inspections (pre‑ and post‑construction), and provide traffic control and bypass pumping. • Conduct erosion‑and‑sediment control, surface restoration, seeding, sodding, and stream‑bank stabilization with graded rock. • Submit all bids electronically via IonWave; a non‑mandatory pre‑bid meeting is scheduled for 10/14/2026.