Projects

Seattle Public Utilities replaced the North Transfer Station with a modern and efficient facility. Parametrix, as a subconsultant, provided civil design, traffic planning, and permitting. Site design elements include grading, drainage, sewer, water, a combined sewer lift station, and vehicle circulation. The project has a new offsite stormwater drainage system for direct discharge to Lake […]

Parametrix has provided engineering services to Kootenai County since 1986, beginning with alternatives evaluation and landfill siting and continuing today with landfill gas and leachate management and groundwater monitoring. We designed the Kootenai County Farm Landfill to meet the requirements of the Resource Conservation and Recovery Act Subtitle D Standards. The landfill currently receives more

The new $56 million replacement Factoria Transfer Station was built on the same site as the existing facility, while maintaining operations throughout construction.

Parametrix has worked with Grant County since 1998 to evaluate solid waste disposal options; evaluate new site locations; permit the continued operation and eventual closure of an older landfill; and permit, design, and assist during construction of a new landfill. When we started working with the County the existing landfill was unlined and contributing to

The Central Oregon Irrigation District (COID) was established more than 100 years ago and has served residents water needs well. To conserve nearly 12 billion gallons of water lost annually to seepage and evaporation, the District initiated this modernization project to pipe more than 20 miles of currently open irrigation canal between Redmond and Bend,

Edmonds WWTP PLC and SCADA System Upgrade – The Edmonds WWTP is a regional facility needed SCADA system needed to be upgraded.

King County is progressing toward a 100% zero emission fleet by 2040. As existing diesel hybrid and older diesel-only buses are retired, Metro is replacing them with battery-electric buses. This program will implement up to 11 new quick-charging battery-electric bus charging stations at locations throughout Metro’s service area. Metro is also developing future strategies and assessing implementation of a larger, long-range electric bus fleet.