San Francisco-based startup Built Robotics is testing an autonomous track loader that can excavate holes for building foundations at the same rate as its human counterparts — and up to 24 hours per day. The unmanned Bobcat tractor is outfitted with a cargo carrier filled with electronics and uses lidar to navigate the job site around it. That lidar is designed to work specifically on a construction excavation site, allowing the robot to work in the high-vibration environment while also enabling it to measure the material it has loaded. Operators need only set coordinates and input the size of the hole they want before the robot carries out those instructions. 

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