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AI Used to Automatically Compare Scans with BIM

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AI Used to Automatically Compare Scan with BIM

In Stavanger, the fourth largest city in Norway, located about 300km from Oslo, the construction of the new university hospital is going at full speed. Hundreds of people work on the project, which covers 130,000 sq m.  To closely keep track of the massive project, the developer SUS2023 has chosen to use 3D scanning and AI throughout the entire construction period.

Instead of manual inspections that can take days, or even weeks, everything is checked digitally and with millimetre accuracy. A single person digitises the job site and the entire team can have access to the results.

To do so, the team uses a tech solution developed by Imerso, a start-up company based in Oslo. After the SUS2023 team scans the construction site, Imerso’s platform compares the laser scans against the BIM plans and immediately reports problematic work deviations.

The goal is to detect issues as early as possible, so these can be corrected before the next phase of the construction process begins.

The project members can navigate the virtual job site together collaboratively from their browser, just like being there in person. It is possible to take measurements and screenshots from any perspective, and append comments directly to virtual objects. The team in charge of quality control had one day of training to use the laser scanner and to use the results in Imerso’s platform.

“This is great security for us. It was a big advantage that this solution was so easy to learn and use. I didn’t need much more training than to learn which buttons to press and where to place the laser scanner to achieve the best results,” says Dan Børge Bø, construction manager for SUS2023.

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