Vashon Island Landfill – King County, WA
Prepared a predesign engineering report and specifications for the closure of an 8-acre landfill. QC of contract documents.
Fairbanks Landfill – Northstar Borough, AK
Design of leachate treatment and pumping facilities for a landfill expansion project.
Lanai Integrated Solid Waste Management Facility – County of Maui, HI
Design lead/project manager for the design of a new solid waste landfill that included a leachate collection system and truck loading facilities.
Southwest Recycling and Transfer Station – Snohomish County, WA
Design lead for the design of a pH control and flow monitoring to treat the transfer station’s leachate that discharged to a POTW.
Cedar Hills Regional Landfill – Area 5 – CH2M-Hill / King County, WA
Design lead for the design of 1,000 gpm duplex and 4,600 gpm triplex submersible lift stations for pumping leachate and contaminated storm water/storm water, respectively. Also provided limited construction review and support and prepared a basic operation and maintenance manual.
Cedar Hills Regional Landfill – Area 6 – King County, WA
Design lead for the design of a 500 gpm, duplex, submersible lift station and force main for contaminated storm water/storm water and pumping system to control groundwater beneath the cell’s liner. In addition, design of a 500 foot, 60-inch microtunnel/jack and bore with an 18-inch HDPE pipe for conveying leachate from the Area 6 cell. […]