Construction Progress imagery has been a standard product of aerial and technical imagers for decades. The proliferation of affordable (and very talented) digital cameras, drones1, and sophisticated software capable of producing everything from time lapse video to 3D models have expanded the practice of photographic documentation-but not without considerable liabilities. A true drone operates autonomously; more common consumer and “prosumer” units are correctly referred to as an sUAS (small Unmanned Aircraft System). ↩

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