CEDAR HILLS REGIONAL LANDFILL (CHRLF) AREA 8 DEVELOPMENT
King County
Washington
34-acre MSW landfill horizontal expansion with relocation and processing of refuse from a previously-closed area to make room for environmental control facilities
A successful regulatory demonstration that the proposed alternative lining system is equivalent to the prescriptive system under WAC 173-351
New contaminated surface water and stormwater detention, treatment, and storage lagoons
Leachate pumping facilities and leachate pre-treatment lagoon hydraulic improvements
Hydrogeologic and Geotechnical Engineering Reports
EXPLORE OUR PROJECTS
See how we brought some of the most complex infrastructure challenges to life.