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April 2020

Temecula Valley WRF Expansion named Project of the Year by CMAA-San Diego

The Construction Management Association of America - San Diego Chapter has selected the 23 MGD expansion of the Temecula Valley Regional Water Reclamation Facility as its 2020 Project of the Year.

Archer Western increased the Temecula Valley Regional Water Reclamation Facility treatment capacity to 23 MGD with the construction of a new treatment plant and modifications to existing facilities. The Plant 3A facilities include new primary clarifiers, sludge/drain pump station, scum pump station, in-channel fine screens, bioreactors, RAS pump station, WAS pump station, blower building, membrane tanks and equipment system. Additional features include an air scour blower facility, citric acid storage and feed system, CIP tank, chlorine contact basin, TEPS electrical building, a new biogas compression system with purification facility and drain pump station. The new facilities also include a 33-kV to 12kV substation and installation of power conduits from the Southern California Edison (SCE) system.

Modifications to the existing facilities included replacing the manual bar rack with a mechanical bar screen and adding a bypass channel and splitter box at the existing headworks. Work also included adding tertiary effluent pumps and surge control system, adding tertiary effluent piping parallel to existing tertiary effluent piping from the tertiary effluent pump station to the identified limit and reinforcing existing wet well cover, adding a rotary drum thickener adjacent to the existing thickening building, and modifications to the existing electrical and instrumentation control systems.



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