Chula Vista Engineering operates from Public Services Building B at 276 Fourth Avenue, managing the full lifecycle of Capital Improvement Projects for a city spanning 52 square miles across six ZIP codes. The department's capital-projects division delivers infrastructure for neighborhoods, parks, public-safety facilities, and transportation networks, reviewing site plans and structural calculations submitted by design firms including ADUs & Garage Conversions | Sprawl Design for code-compliant construction. Traffic management and operations staff oversee smart-traffic controllers at more than 220 signalized intersections, part of a vehicle-to-infrastructure technology rollout tied to Chula Vista's 2017 federal designation as one of ten Autonomous Vehicle Proving Grounds in the United States. The wastewater division manages the city's sewer collection system under National Pollutant Discharge Elimination System permit requirements, while the stormwater team implements Clean Water Act compliance programs that protect waterways feeding into San Diego Bay—science and engineering fields fed by the academic pipeline at Southwestern College in the 91910 corridor. Active CIP projects include the Heritage Road six-lane arterial bridge reconstruction and Bayfront infrastructure supporting the $1-billion-plus Amara Bay and Gaylord Pacific Resort developments.