Photogrammetric Survey of a Large Site
Accurate maps and a complete site model in days — instead of weeks of ground survey.
The challenge
A large site needed up-to-date maps and an elevation model for planning and quantity takeoff. A full ground survey would take weeks and cover only scattered points, while available drawings were outdated and no longer matched reality.
Our approach
We planned survey flights with controlled overlap and ground control points to hit the required engineering accuracy, then processed the data photogrammetrically into an orthomosaic, elevation model, and 3D model — validating accuracy against the control points and delivering in CAD/GIS formats.
The outcome
Complete site coverage within days of capture and processing, at a point density impossible to collect manually, with outputs that went straight into the engineering team's tools for planning and quantity takeoff — plus a methodology ready for recurring re-surveys to track change.
Services used
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