View full size Marvin Fong, The Plain Dealer A view of the cutter head of the tunnel boring machine called "Mackenzie" , which is being used to cut a shaft for the Northeast Ohio Regional Sewer ...

With its cutter head rotating relentlessly, the tunnel boring machine has been working around the clock for a year and a half, grinding through 25 millimeters of rock face each minute to carve out ...

PWD to enter into MoA with NSKFDC for procurement of machines. Machines will ensure visual inspection, cleaning of sewer lines, manholes and cutting of roots. 46 MLD of sewage generated in Puducherry.

With Akron's $1.4 billion sewer project underway, residents can keep up with the work via the Akron Waterways Renewed website or take a trolley tour of some of the key sites.

Nicknamed “Bumblebee,” to honor Louisville boxing great Muhammad Ali and his “float like a butterly, sting like a bee” slogan, the boring machine recently descended 200 feet underground to cut ...

Pittsburgh Water has been working on upgrading the sewers throughout Pittsburgh’s South Side. On Wharton Street, they used a new construction technique that doesn’t involve digging a trench.

After spending six months deep underground, a tunnel boring machine has finished drilling a new 1.6-mile tunnel that will soon carry millions of gallons of wastewater daily from West Ashley to the … ...

The tunnel machine breaks up the rock using the 34-foot-diameter cutter head mounted to its front end. The head rotates at about three revolutions per minute, its 64 steel disc cutters grinding ...