Description
The City of Thornton is seeking qualified contractors to modify existing traffic signal heads at multiple intersections to incorporate flashing‑yellow‑arrow (FYA) functionality. The work includes removal of existing signal equipment, civil demolition (median covers, curb ramps, trees), installation of new signal hardware, electrical conduit, wiring, LED luminaires, pedestrian devices, pole and mast‑arm erection, landscaping restoration, and extensive utility coordination. The contract is a federally‑aid sealed‑bid procurement with a 120‑working‑day construction window from Notice to Proceed, and a required on‑the‑job‑training component of 320 hours.
• Replace/upgrade signal heads, backplates, and add flashing‑yellow‑arrow capability across a network of intersections.
• Perform civil site work (tree removal, curb‑ramp demolition, concrete work, erosion control, landscape restoration).
• Install new electrical conduit, wiring, power pedestals, LED luminaires, pedestrian push‑buttons, and associated traffic‑control hardware.
• Coordinate with multiple utilities (Xcel Energy, local fiber providers) and comply with Davis‑Bacon prevailing‑wage, EEO‑1, and environmental (noxious‑weed, migratory‑bird) requirements.