Modernizing electrical and mechanical systems at an operating treatment facility.
Project Type
Wastewater Treatment
Constructed Value
$19,856,329Delivery Method
Construction Manager at RiskArchitect/Engineer
Wilson EngineersThe challenge
Modernizing critical infrastructure at the Union Hills Water Treatment Plant required replacing aging electrical and mechanical systems while maintaining operations at the active facility. The work involved upgrading major power distribution equipment that supports plant processes, installing new treatment and pumping equipment and expanding the finished water electrical building to accommodate new infrastructure. Construction had to be carefully coordinated within the operating treatment plant so upgrades could be completed without interrupting water treatment operations serving the City of Phoenix.
highlights
Primary electrical switchgear replacement
Three 250-horsepower blowers
Emergency chlorine scrubber
Challenge met
Filanc delivered the rehabilitation project using the Construction Manager at Risk delivery method and self-performed approximately half of the work. The project included replacement of primary 5-kV and 480-V electrical switchgear and motor control centers, along with expansion of the finished water electrical building to house the new equipment.
Mechanical improvements included replacement of sludge scraper mechanisms and installation of three 250-horsepower aeration and filter backwash blowers. Filanc also installed new flow meters and control valves and a 12-ton emergency chlorine scrubber. Additional upgrades included replacement of PLCs and associated electrical equipment. Filanc completed startup, testing and commissioning to ensure the upgraded systems operate reliably and support continued water treatment for the Phoenix community.
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