Active Transportation – Sidewalk Installation 31st St. from 500’ West of Douglas to Trailhead Learning Center and Peninah Street along Hillcrest Golf Course

The City of Yankton is soliciting sealed bids for a municipal active‑transportation project that includes the construction of new sidewalks, curb & gutter, aggregate base course, and associated storm‑sewer and water‑main infrastructure along 31st St. and Peninah St., as well as related erosion‑control and landscaping work. The contract will be awarded to the lowest responsive and responsible bidder, with performance and payment bonds required and liquidated damages for schedule overruns. • Scope includes 6‑in. concrete sidewalks (≈ 26,009 SF), 18‑in. reinforced concrete pipe (Class 3), aggregate base course (2,890 SY), and miscellaneous items such as detectable warning panels, tree removal, and site restoration. • Contractor must provide a 5 % bid guarantee (cash or 10 % bid bond), 100 % performance and payment bonds, and maintain 24/7 traffic control and erosion‑control measures with daily penalties for non‑compliance. • Project schedule: bids close August 4 2026, award announced August 10 2026, work to be completed by October 30 2026; delays beyond this date incur $650 per working day in liquidated damages. • Required bonds, insurance, and a detailed SWPPP are mandated; the city will supply drawings/specifications, and the successful bidder must adhere to MUTCD traffic‑control standards and South Dakota environmental regulations.