UAV Surveys
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Airport Obstacle Limitation Surveys
Underhill updated OLS surveys for nine Yukon airports using advanced UAV LiDAR, delivering fast, accurate 3D airspace data that meets TP 312 5th Edition standards.
Site C Hydroelectric Dam – Slope Monitoring
Comprehensive aerial inspections and photogrammetric analysis of winter spillway gate operations
Eagle Gold Mine Construction Surveying
Underhill provided multi-year surveying, CAD, and UAV support during the construction of Eagle Gold Mine, in partnership with Nacho Nyak Dun.