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Holcim UK trials AI-powered autonomous technology
02 May 2025
The trial was conducted at the Lee Moor Quarry in Plymouth, using a 23-tonne Develon crawler excavator equipped with autonomous technology from the Switzerland-based start-up Gravis Robotics.

After the initial setup and testing, the machine was tasked with feeding a hopper of a screener with sand and gravel, aiming for a target of 100 cycles per hour. During the two-day testing period, the machine successfully averaged 133 cycles per hour, moving 1,500 tonnes of material daily, achieving 99% accuracy, and experiencing minimal spillage.
Paul Mitchinson, head of mobile plant for Holcim UK, said, 鈥淲e were excited to be able to take part in the trial at one of our quarries and see how autonomous technology could work and be successfully integrated into day-to-day operations.
鈥淭he introduction of this type of technology in our industry could lead to greater productivity through increased output and consistency, improved safety on site and improved sustainability through optimising performance of large plant equipment.
鈥淎s a company we are continuously seeking to innovate and to improve our ways of working in order to enhance productivity. This includes exploring how artificial intelligence can support what we do to help us be more efficient.鈥�
After the trial, Holcim, Hyundai Xitesolutions (Develon), and Gravis Robotics agreed to a three-way memorandum of understanding at the annual Bauma in Munich, Germany.
The strategic partnership aims to develop the commercialisation of autonomous technology designed to enhance productivity, improve safety in quarry operations and within confined material handling.
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