Water/Wastewater & Power


Treatment Plants

91st Avenue WWTP UP05 Upgrades, Phoenix AZ – geotechnical investigation & construction materials testing for City of Phoenix UP05 program, a $160M upgrade project to the existing facility.

Tres Rios Rios Ecosystem Restoration & Flood Control Project, Phoenix AZ – construction materials testing for restoration of the wetlands including mass earthwork, soils stabilization, new channels, spillways and flood control structures.

Taliesin West Water Supply Improvements, Scottsdale AZ – geotechnical investigation for new reservoir and pipeline.

Evergreen Waste Water Treatment Plant, Evergreen CO – materials testing and observation services to existing treatment plant improvements.

Pipeline

Jefferson Street Storm Drain, Phoenix AZ – geotechnical investigation and construction materials testing for new storm drain including 14,000 feet of new laterals and 120 new inlets.

SPA2 Pipeline, Surprise AZ – geotechnical investigation and construction materials testing for 9,500 feet of sanitary sewer line.

City of Phoenix Basin N Sewer Relief and Replacement Program, Phoenix AZ – geotechnical investiagation for replacement of over 2 miles of sanitary sewer.

Power

Rainbow Hydro-Electric Redevelopment Project, Great Falls MT – full-time construction observation and testing during reconstruction of the Rainbow Hydro-Electric Dam including access roads, bridges, channels, intake structures, powerhouse, penstocks, substations, etc.

Miscellaneous

Arvada-Blunn Reservoir Enlargement, Arvada CO – materials testing and observation services for modification of an existing dam, spillway and associated structures.

Percolation Testing – stormwater retention and septic disposal systems using falling head and double-ring infiltrometer methods.

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