© senseFly, 2019. All rights reserved. 1 PPC’s previous method of calculating its lignite volumes and excavator deposits was to use terrestrial surveying instruments such as LiDAR scanners. However, these ground-based methods took a long time and were dangerous. “Fumes, gases and dust are dangerous for people to breath,” says Dimitris Michailidis, Surveyor Engineer, Head of Surveying Subsector of Kardia Mine. “To survey our excavations, my team would need to scan five or six separate points on deposits, which would require us to create additional access points for each of them.” Because of the challenging and dangerous geography of PPCs mines, as well as the size and the strategic importance of their lignite extraction, PPC’s survey team needed a faster and safer method of surv

Join for free to read