The roof below is a 100m x 65m commercial unit that a surveying company required high-definition images of to support their work on behalf of the building owner.
Due to access restrictions, the scale of the site (and expense!) cherry-pickers or scaffolding were not viable, so a drone was the only realistic option - and by far the safest and most effective.
After cordoning off a secure landing/take-off area, Levitate Aerial was able to obtain a range of high definition images and video of the entire structure, as well as specific sections of interest.
Additional metadata captured during the flight included the exact height at which the images were taken, along with the lat/long coordinates.