Alley Reconstruction from Riverside Drive to 4th Street between Green Street and Locust Street

The City of Yankton is seeking sealed bids for the complete reconstruction of an alley from Riverside Drive to 4th Street, including demolition, utility relocation, new sanitary sewer installation, concrete paving, sidewalk construction, and associated traffic‑ and erosion‑control measures. The project requires compliance with strict performance‑bond, insurance, and environmental‑protection requirements, and carries liquidated‑damage penalties for late completion. • Remove existing asphalt and concrete pavement, perform grading, and install new 6‑in. PCC pavement, approach pavement, and sidewalks. • Replace an 8‑in. clay sanitary sewer with new 6‑in. PVC pipe, install a 48‑in. manhole, and provide temporary bypass pumping. • Provide comprehensive traffic‑control, erosion‑control, topsoil, seeding, mulching, and detectable‑warning panels, with daily penalties for lapses. • Contractor must furnish 100 % performance and payment bonds, a 5 % bid guarantee, and meet a final completion date of October 2, 2026.