The San Mateo Water Treatment Plant project upgrades and expands wastewater treatment facilities in San Mateo, California. CEI is helping build a new headworks plant, and a two-story administration building. The headworks will screen influent water flow before it goes through primary and secondary treatment, which is where solids and dissolved matter are removed. CEI is installing the main line, gensets, Standardized Emergency Management System (SEMS) service, switchgear, controls, instrumentation, lights, receptacles and low voltage systems including fire alarm, security, and telecom.