Combined Sewage Storage Tunnel (CSST) | City of Ottawa. A Tunnel Boring Machine (TBM) is constructing the tunnel. The face of the machine has a rotating cutter wheel that chips away the rock in various sizes ranging from tiny gravel to fist size pieces as the machine moves forward.
offers 23 foundation tbm cutter products. About 56% of these are tool parts, 34% are construction machinery parts, and 8% are mining machinery parts. A wide variety of foundation tbm cutter options are available to you, such as drill bit, drill pipe.