Drones sent flying underground to check sewers

Drones are being flown underground to check the condition of sewers in Scotland.
Scottish Water is using drones to accurately assess the condition of its infrastructure and make key decisions about investment in maintenance or rehabilitation work.
Traditional teams of up to 15 workers can be replaced with just two operatives using drone and Light Detection and Ranging (LiDAR) scanning and measurement techniques.The bespoke drones fly into sewers effectively replacing workers in challenging and d