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Bidjugde
JOB
(CMAR) Signal Butte Water Treatment Plant Expansion
BID DATE
03/24/21 - 12:00
AGENCY
Mesa
ESTIMATE
$70,000,000
SCOPE
SHORTS NOV 2021: The City of Mesa seeks to expand the existing Signal Butte Water Treatment Plant at the northeast corner of Signal Butte and Elliot Roads. The plant receives Colorado River water, supplied by the Central Arizona Project (CAP) Canal, and treats the water to drinking water standards. The plant’s current treatment capacity is 24 Million Gallons per Day (MGD), with this project expanding the plant to its ultimate capacity of treating 48 MGD. The project consists of the following scope: • Expansion of the raw water pressure and flow control facility; • Expansion of the raw water ozone contactor and pH adjustment; • Expansion of the ballasted flocculation facilities; • Expansion of the deep-bed biological filtration, including backwash and air-scour facilities; • Expansion of the residuals facilities, including recovered water basin and pumps, recovered water treatment, and mechanical dewatering; • Expansion of the chemical bulk storage, chemical feed systems, ozone generation, and sodium hypochlorite generation systems; • Expansion of the electrical distribution system, including improvements to the existing improvements to the electrical building and standby power generation; • Addition of a second 8-million-gallon reservoir Engineering-RFQ@mesaaz.gov
UPDATES