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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Unmanned Aerial Systems (UAS)
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Erik Strandhagen

Senior GIS Analyst & FAA-Certified Remote Pilot

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