#ARCTIC. #SIBERIA. THIS IS TAIMYR. The renovation program for the housing stock, social and engineering infrastructure of Norilsk until 2035 is estimated at 120 billion rubles. Of these funds, 81.3 billion rubles were allocated by Nornickel. The first facilities to be jointly erected by the company and the administration of Norilsk were two residential nine-story buildings, a lyceum and a polyclinic. Nornickel tests innovative technologies at the sites.
One of the innovative technologies is analytics based on laser scanning for digital control of construction and installation works. It allows the engineers to automatically detect deviations in comparison with the original 3D model in terms of the progress of work and the geometry of the object under construction.
The monitoring technology based on laser scanning works with a point cloud and 360 panoramas built into it. They are obtained using ground-based LiDAR scanners.
For each point on the surface where the beam reached, its coordinates along three axes, the real color and intensity are recorded. In one second, the scanner produces hundreds of thousands of measurements. In total, it takes one day to shoot the construction site.
The resulting point cloud is tied to the geodetic coordinates of the construction site and loaded into the analytical software. Artificial intelligence does the next step work: machine learning algorithms clear the point cloud from noise and foreign objects on the site, compare it with the original 3D model of the object and reflect, using color coding, which elements are built or not built and what geometric deviations are in fact already built elements.
Based on the analysis results, a report on key deviations is generated, which is used to discuss the project status, analyze the work quality by construction control and accept the object by the customer.
The Innovative Development Department plans to work out analytics technologies based on laser scanning along with other innovative products. Among them there is a construction management platform to create a common data environment for adjusting and tracking design, survey and construction work.
The renovation of Norilsk is called one of the ten key events in the Arctic.
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Text: Victor Tsaryov, photo: Nornickel press service