Lebanon Water Treatment Plant

This Water Treatment Plant project is to replace the existing aged WTP located in Lebanon, Oregon. This replacement will include construction of a new intake on the South Santiam River; a new raw water pump station; new water treatment plant; and raw water transmission, sewer, and storm water pipelines. The new facility will have a…

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Joint Water Commission Water Treatment Plant Expansion

The Joint Water Commission is expanding their current water treatment plant located in Forest Grove, Oregon. JWC is the primary drinking water supplier in Washington County, Oregon and is responsible for treating, transmitting, and storing portable water for over 350,000 customers. The purpose of this expansion is to accommodate growing communities in Washington County. The…

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Spokane River Side Park Water Reclamation Facility

Slayden and MWH Constructors worked with the City of Spokane to achieve major upgrades to their Riverside Park Water Reclamation Facility. The upgrade included a Next Level of Treatment (NLT) – a new membrane filtration system that significantly improved the quality of effluent released into the Spokane River. The primary reason for the NLT was…

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Tri-City Water Pollution Control Plant Phase 1

The Tri-City Phase 1 Expansion includes, but is not limited to, an intermediate pumping station, fine screening, aeration basin, blower building, membrane building, ultraviolet (UV) disinfection system, chemical system, galleries, and ancillary systems to expand the designated activated sludge treatment plant by 4.0 million gallons per day (MGD) average day flow/10.0 MGD peak hour flow…

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Juniper Ridge Hydroelectric Project

The Juniper Ridge Hydroelectric project is a $22 MM EPC (Engineer, Procure, Construct) project. The engineering and construction team includes Slayden, Sunrise Engineering, and Burke Electric. The project consists of 2.5 miles of 108″ steel penstock pipe placed within and beneath the existing irrigation canal system. The penstock entrance consists of a rock excavated forebay,…

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Willow Lake WPCP Headworks and Primary Treatment Improvements

Slayden was selected as the CM/GC on this $92 MM Headworks and Pumping Plant Project for the City of Salem. This fast track project included construction of new headworks, influent and primary pump station, bar screen facility, two electrical buildings, two new primary clarifiers, effluent analyzer building, and an effluent diversion structure. Specific work components…

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Scott Water Treatment Plant Expansion

Slayden was selected, through the RFP process, as the CM/GC on this $27 MM water treatment plant upgrade and expansion for McMinnville Water & Light.  This fast track CM/GC project involved pre-construction services beginning at 80% design.  Slayden provided constructability reviews and value engineering estimates to help bring the project within the budget set by…

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Newport Water Treatment Plant

As the CM/GC for the reconstruction of the Newport Water Treatment Facility, Slayden provided preconstruction services and assisted the owner and engineer with value engineering and constructability recommendations as the project progressed from 25% to 100% design. Slayden constructed the improvements on the existing and fully operational water treatment plant that couldn’t meet current demand.…

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