ZED Tunnel Guidance, located in London, U.K., specializes in development and manufacture of advanced guidance systems for Tunnel Boring Machines (TBMs).
On Dec. 7, 2009, a new milestone was reached for auger boring machines (ABMs) using disc cutterheads. Contractor Gonzales Boring & Tunneling bored a landmark crossing length of 600 feet using a 42-inch diameter small…
The Christiana Hospital and Helen Graham Cancer Center in Newark, DE, are located off Route 4. A local stream passes under the highway through a corrugated metal pipe (CMP) near the hospital.
Barbco has introduced the first “maxi” rig to its line of horizontal directional drilling equipment.