Charlotte Pipe Addition; Left Turn Lane Improvements

This contract awards a single‑vendor, lump‑sum construction job for the addition of a Charlotte‑type pipe and the construction of a left‑turn lane on 119th St. West north of 53rd St. North in Maize, Kansas. The scope includes pipe installation, roadway grading, concrete surfacing, seeding, pavement marking, and associated drainage and curb work. The project is funded 75 % by the Kansas Department of Transportation’s Economic Development program with the remaining 25 % split equally among the City of Maize, Sedgwick County, and a third local partner. The solicitation followed a standard full‑open competitive bidding process with a bid deadline of April 8 2025 and a bid opening at 2:15 p.m. CT the same day. The lowest responsive bid of $255,283.42 was submitted by Roston Construction LLC and approved by the Board of County Commissioners on April 23 2025. • Scope: pipe installation plus left‑turn lane construction (grading, concrete, seeding, marking). • Funding: 75 % KDOT Economic Development, 12.5 % each from local entities. • Procurement: full open competition; bid bond required ≥ 5 % of bid; addendum acknowledgment required.