104th Avenue and Washington Plaza Traffic Signal

The City of Thornton is soliciting bids to replace the traffic signal at the intersection of 104th Avenue and Washington Plaza. The work includes demolition of existing pavement, utilities, and trees; installation of new underground conduit, storm‑drain components, and a complete traffic‑signal system (poles, controllers, signal heads, pedestrian hardware, cameras, and related electrical work); and site restoration, landscaping, and temporary traffic‑control measures. The contract is a fixed‑price award with a 45‑day substantial‑completion deadline after the Notice to Proceed. • Demolition of trees, curb‑and‑gutter, asphalt mat, and pavement markings. • Installation of 35‑, 55‑ and 65‑ft steel signal poles, luminous signal heads, controller cabinets, detection cameras, and pedestrian push‑buttons. • New utility conduit (2‑in. & 3‑in.), pull‑boxes, wiring, and storm‑drain inlet protection. • Full site work including grading, paving, landscaping, erosion control, and temporary traffic‑control devices.