Citywide Water Resources Infrastructure

Project Owner: City of Scottsdale
Project Type: Job Order Contract
Construction Dates: 04/25 to 04/30

This project includes water and sewer infrastructure improvements in public right-of-way throughout the City of Scottsdale. Work involves the installation of new sewer lines, water lines, removal and replacement of sewer and water mains, manhole construction and reconstruction, demolition of existing water and sewer facilities, large diameter valve installation/replacement, and associated apparatus. Highlights include:

Scottsdale Road Water Line Abandonment: We removed a tee from an existing 12” water line, installed a new in-line valve, and abandoned the 12” water line at Scottsdale Road and Mayo Boulevard. This work was completed at the same time as other CMAR projects in the area. Utilizing our JOC and coordinating this work to occur during previously-planned water shutdowns and traffic control setups allowed us to save cost for the City.

Mary Katherine Water Line: We replaced water lines in a residential neighborhood along Mary Katherine Drive and portions of Cholla Drive. This project is located in a high-profile area and requires extensive coordination with individual homeowners to determine private service locations, minimize impacts to private property, coordinate necessary water shutdowns, and obtain homeowner approvals prior to construction. Services needed to be installed in the residents’ backyards, requiring our team to evaluate and understand existing conditions, including underground utilities, sprinkler systems, and necessary restorations. We received sign-offs from each homeowner approving the new service locations. Achen-Gardner completed all the work from the new or existing main to the meter box, and our subcontractor, RKS Plumbing and Mechanical, completed the private-side work from the meter box to the connections in the backyards of the individual homes. In total, the project included more than 2,100 LF of water line (6” and 8”), 9 valves (6” and 8”), and 12 residential services.

Pressure Reducing Valves (PRVs) 64, 65, and 66: The project consists of the rehabilitation and replacement of existing PRV facilities within the Desert Highlands area. The work includes demolition of the existing PRV vaults and associated piping, construction of new reinforced concrete PRV vault structures, installation of new pressure-reducing valves and appurtenances, modifications to existing water transmission and distribution piping, and site restoration. Work is being completed in an active residential community, and an active communication program has been vital to keeping stakeholders informed. There is also an ongoing pavement restoration project in the area that we have coordinated with to minimize impacts to their work.

East Thomas Road Sewer Line: We are improving sewer infrastructure along East Thomas Road between 56th Street and 73rd Street to support the City of Scottsdale’s long-term infrastructure needs. The work includes the installation of 11 new manholes and the rehabilitation of 11 existing manholes (48” to 60”), 80 LF of storm drain (18”), and more than 1,000 LF of sanitary sewer (8 to 12”). Our team is coordinating construction and traffic control throughout the corridor to complete this work safely and efficiently while minimizing disruptions to the traveling public and surrounding properties.