$9 million design-build membrane treatment plant expansion to add 6 MGD of membrane filtration and the replacement of the existing package filter. This package also involved the construction of a new clearwell, new river intake, and modifications to the existing sedimentation basin, as well as, extensive site piping replacement. Slayden Construction Role: Design-Build Subcontractor (JV with…

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This project included construction of a new two story precast panel building, the housing of three influent trains, and is set up for one more train to meet upcoming future demand. Each train consists of a band screen placed in a specialty fabricated stainless steel tank handling all the primary influent via large modulating pinch…

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This $4.3 million project for the City of Portland, is located at the existing Portland groundwater pump station facility. The scope of work consists of site grading, ground improvements through the use of stone columns, construction of a new chemical building, remodeling the existing control building, yard piping, site work, fencing, electrical work, instrumentation, painting,…

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This small slow sand filter plant was built to provide finished potable water for the City of Falls City.  Construction of the plant included clearing and grubbing a two acre site, installation of RW and FW piping to and from the plant, three new filters, media and pipe distribution, a covered chlorine contact basin and…

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Slayden was selected as the CM/GC Contractor for reconstruction of the Newport Water Treatment Facility. Slayden provided preconstruction services assisting the owner and engineer with value engineering and constructability recommendations as the project progressed from 25% design to the 100% design. The project includes construction of a new Pall Membrane Filtration Process capable of producing…

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