What did we do:
For “Agentschap Wegen & Verkeer”, we inspected and measured 2 culverts under the N43 in Waregem.
Using a boat, we were able to visualise the condition of the culvert, so that an estimate can be made as to whether they need to be repaired or replaced.
The end walls were also measured so that the exact location of these culverts is known.
We made a 3D point cloud of one culvert and one end wall.
A boat was used to sail in the culvert, and a drone was used to map the end wall and its surroundings. These 2 point clouds were combined. The point cloud can be used to distil plans, annotate damage, use in a BIM model, etc.
Even culverts that cannot be sailed in can be inspected with a small inspection vehicle or flying drone.
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Keywords: drone, inspection, divers, point cloud, hard to reach places