For electric cable crossings ... of any underground utility installations, keeping any roadway or waterbody fully operational all throughout the project. John Barbera has been an employee at Barbco ...

Discover the incredible engineering behind Switzerland’s biggest tunnel boring machine, one of the most advanced in the world. In this video, we explore how this massive machine operates to carve ...

Using massive tunnel boring machines, crews are descending underground to drill the tunnels ... and embedding fiber optic cables within the tunnel linings to monitor structural integrity without ...

Though construction has begun for the multiyear, $6 billion project, major digging is still at least a year away.

On a flat, windswept green plain north of Hamburg in the state of Schleswig-Holstein, Germany, a Herrenknecht tunnel boring ... cable installation. It’s a semi-continuous move ahead. The machine ...

A construction company whose tunnel boring machine got stuck underground ... which became ensnared in underground steel cables while it was tunnelling.

But Mr Sexton could not rule out that some of the giant earth movers would be parked permanently underground - if it proved cheaper. A tunnel boring machine in operation in Sydney. One of the ...