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Corona Del Mar Water Treatment Plant

This $22.7 million design-build project for MWH Constructors and Goleta Water District in Goleta, California, increased the existing plant capacity to 24 MGD. The Corona Del Mar WTP is the only source of water for the Goleta Water District which serves the residents of Goleta, California. This contract involved extensive modifications within the boundaries of an operating water treatment plant. As a result, it was imperative that the construction operations would not impact the continuous supply of water. Slayden worked closely with the construction team of the Contractor, plant staff, and the Engineer to devise and execute a plan to perform the modifications within the more restrictive drought-influenced time frame at little or no cost to the Owner.

Scope of work involved construction of new flocculation and sedimentation basins, new chemical storage and feed building, modifications to existing structures, site piping, modifications to 54” raw water feed pipeline and structures, and a new chemical feed system throughout the existing site. This project also involved demolition and construction to convert existing clarifiers into flocculation and sedimentation basins, construction of a new chemical storage and feed building, a new Lab/Administration/ Control Building, a waste water treatment system, and several smaller site structures and modifications.

The project was delivered under an EPC (Engineer, Procure, Construct) delivery method with MWH Constructors as the prime Design/Build contractor.

Total Project Value: $22.7 million

Slayden Construction Role: Primary subcontractor to MWH

Owner: Goleta Water District