Considered as the largest transport project in Europe, the Grand Paris Express is an automated transit network planned to be operational in 2025, with a new metro including 68 new stations and 200 kilometers of additional tracks.
As the site is still in construction, there’re plenty of hard-to-reach areas for employees (with dust, rubble, concrete, scrap metal…), however they still need to make site documentation (to evaluate the progress of the construction site for example). To face this challenge, Spot was used to perform a 3D scan of a tunnel to get accurate data of the construction site. To achieve the mission, Spot was equipped with a 3D scanner (Leica BLK ARC)