Roundabout and Utility Civil Design

This subcontract opportunity involves providing detailed civil engineering design services for prime contractors working on City of Flagstaff capital improvement projects. The scope of work focuses on the design of roundabout geometry, pedestrian and bicycle infrastructure, ADA-compliant crossings, and upgrades to water and wastewater lines. All technical designs must be developed using AutoCAD Civil 3D, and the performing party is required to hold a valid Arizona Professional Engineer license. The selected contractor will be responsible for delivering a series of design plan sets at the 30, 60, 90, and 100 percent completion stages, along with comprehensive bid schedules and construction estimates. This project falls under NAICS code 541330 and is managed by the City Engineering division for Capital Improvements in Arizona. Interested parties must submit their responses by November 10, 2026.