UAS Used for Landfill Management
Client: Cowlitz County Headquarters Landfill
Location: Castle Rock, Washington
Unmanned aerial systems (UAS) aided a county in efficient and accurate landfill management.
As municipal solid waste is unloaded into landfill cells, the waste compacts and settles, reducing the landfill’s surface elevation. Accurately measuring and documenting how much compaction has occurred is an important task in landfill management. Although they are relatively new technologies, UAS and aerial maps are the perfect tools for measuring landfill compaction accurately and efficiently.
Working with Cowlitz County Headquarters Landfill, we utilized a fixed-wing UAS to capture high-resolution orthoimagery, contours, and 3D point cloud data, georeferenced to the county’s local coordinate system. Landfill managers used the information to document landfill conditions and volumes and to update the remaining capacity of each landfill cell, helping the landfill managers better estimate the total remaining capacity of the landfill.
Our deliverables were ready for seamless AutoCad Civil 3D integration, and were validated by a county surveyor, who determined that the topographic surface was accurate to 6 inches.
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