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Tres Rios Environmental Restoration, Phase 3A and 3B

Rehabilitation/Renovation/Restoration Projects, Merit Award

Phoenix, Arizona
 

Owner:
U.S. Army Corps of Engineers, Los Angeles District
Design-Builder and General Contractor:
Kiewit Western Co.
Architect and Engineer:
HNTB Corporation
Specialty Contractor:
Logan Simpson Design Inc. (Landscape Architect)
Classic Excavation (Clear and Grub Subcontractor)
Combs Construction Company (Grading and Excavation Subcontractor)
Other Key Professional:
City of Phoenix
Description:
Phase 3 of the Tres Rios program updated and reconfigured drainage systems and removed salt cedar in a 2.5-mile-long, 650-acre stretch of open water and wetland marshes at the confluence of the Gila, Salt and Agua Fria rivers. The project has created 44 acres of new open water reaches along with 10 acres of marsh habitat and 46 acres of riparian habitat.