Mine surveyors from Eesti Energia subsidiary Enefit Kaevandused use drones to map material stores and various objects, such as the area of a solar park that is soon to be built.
Allan Viil’s chief surveying engineer said that using drones saves a lot of time compared to conventional surveying work. “If a person used to take half a day of fieldwork to survey an oil supply store, they can now fly over it in half an hour.”
One argument in favor of using drones was the safety of workers, as surveyors spend less time climbing over dangerous terrain, “said Enefit Kaevandused CEO Andres Vainola.” Drones were procured and deployed after trying to keep our mine safe. Surveyors spend their days walking around oil shale shops, limestone piles, and work. You are responsible for surveys to determine mining volume and soil displacement. Since safety is our priority, we always look for ways to improve it. “
Vainola added that the company was keeping an eye on developments in appropriate land surveying technologies.
“We had tested a few drones to take pictures for reclamation purposes, but they didn’t give the best results. However, drone technology is developing rapidly. I believe that both the technology and our needs are now coming together,” said the CEO.
Analysis by the Geological Institute of Tallinn University of Technology found that drone surveys are accurate enough for the company’s needs.
“Their accuracy can be compared to that of GNSS equipment and is the level to which mine surveyors need to be accurate in their work,” said Allen Viil.
Mine surveyors from Enefit Kaevandused have two specialized drones.
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