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Northwest Water and Wastewater Master Plan

Location

Phoenix, AZ

Value

$23 M

Delivery Method

CMAR

Client Type

Municipal

Project Type

  • Pipeline
  • Pump Station
54 MGD pressure reducing valve station
10,500 LF of 54" water transmission main
5,500 LF of 24" clay gravity sewer main

The City of Phoenix selected Garney as one of the construction managers at risk (CMAR) to complete a portion of new water and wastewater infrastructure that supports a large, new microchip facility being constructed on the north side of the Valley.

The infrastructure Garney constructed includes a 54 million gallon per day (MGD) pressure reducing valve station and associated electrical work, 10,500 linear feet (LF) of 54-inch steel water transmission main, and 5,500 LF of 24-inch clay gravity sewer main. A 220-foot crossing using a tunnel boring machine and a 72-inch steel casing under a major highway were also necessary to support the new water transmission main.

The project was on an expedited schedule to meet the needs of the area, including Maricopa County—the fastest growing county in the United States. With pressing deadlines, Garney determined that self-performance was the key to meeting the scheduled completion date. Garney used a combination of traveling and local resources for all self-performed work.

The CMAR delivery method also played a significant part in facilitating the expedited schedule. Through this delivery method, Garney was able to plan, phase the work, and address unforeseen challenges during preconstruction. All materials were available on site by the time the design was finalized, allowing the team to get to work right away.

Construction of this project began in August 2021 and will be completed in April 2022.

garney construction