A research project has created the first AI robotics solution to revolutionise the installation of mechanical and civil services in tunnels
The prototype Automated Tunnel Robotic Installation System (ATRIS) can autonomously select brackets, locate where they need to be mounted on a tunnel wall and install them.
In doing so, the automated solution can improve on-site health and safety by reducing the risks associated with manual labour at the tunnel work face, for example, working at height in confined spaces and hand-arm vibration experienced by workers during installation.
Nicholas Beedle, group operations director at VVB Engineering, said: “Tunnel works historically are expensive to build and maintain, and in the higher risk bracket for safety during construction and operation. It is important that ongoing improvements are made to address both of these issues. The development of the robotic AI solution is a step towards solving both of these industry challenges.”
Cutting costs and embodied carbon
Once fully developed, ATRIS is expected to increase productivity by 40% due to faster installation, reduce installation costs for new mechanical and electrical (M&E) systems by 30% and cut construction plant movements by 40% to decrease embodied carbon.
The 22-month project, partly funded by Innovate UK’s Smart grant, was led by Tunnel Engineering Services, which developed the initial AI robotics concept in partnership with a consortium of i3D, the Manufacturing Technology Centre (MTC), Costain and VVB Engineering.
Leveraging its expertise in robotics and automation, MTC spearheaded the design and manufacture of the robot’s end effectors. i3D developed crucial visualisation software for precise navigation, while Costain and VVB provided industry knowledge and expertise in tunnelling and fit-out requirements.
Steve Nesbitt, chief technologist for the built environment at the MTC, said: “Like many sectors, construction has faced labour challenges over the past few years, which has driven greater interest in using robots, beyond manufacturing and logistics, to address these issues. By contributing our expertise to this project, we are paving the way for construction companies to adopt technology for greater control and structuring of on-site works, making infrastructure delivery safer, more productive, and more sustainable.”
Dr Jon Storey, lead engineer at i3D, added: “Developing an automated system to install infrastructure in tunnels has been a longstanding ambition for the construction sector. ATRIS has moved us significantly closer to that goal. The use of stereo vision with machine learning and robotics to place bolts precisely on a curved surface is an unprecedented achievement, with potential applications beyond the construction sector, such as nuclear decommissioning and defence.”
