Digital Construction

Autonomous quarry plant tested in Plymouth

Image of the Holcim autonomous quarry plant being tested
The Develon crawler excavator is fitted with autonomous technology from Gravis Robotics

AI-powered autonomous quarry plant has been tested at Holcim UK’s quarry in Plymouth.

Over two days at Holcim’s Lee Moor sand and gravel quarry, a 23-tonne Develon crawler excavator fitted with autonomous technology from Swiss startup Gravis Robotics was tasked with feeding a hopper of a screener with sand and gravel with a target of performing 100 cycles per hour.

The machine averaged 133 cycles an hour, shifting 1,500 tonnes of material daily, with a 99% accuracy and minimal spillage.

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