Frontier-Kemper-Tutor-Perini JV on Feb. 3 landed the $1.8 billion Manhattan Tunnel Project contract from the Gateway Development Commission (GDC) Board of Commissioners, which authorized the notice to ...

Polycrystalline diamond (PCD) and ultra-hard materials developer and manufacturer Element Six (E6), which is part of the De Beers Group, and drilling and mechanised rock excavation technology ...

They excavated the tunnel, lining it with 112,000 pre ... begin passing through at 200mph.” Headhouses are buildings on top ...

The agency overseeing construction of the new rail tunnel connecting New Jersey and Manhattan on Monday awarded a $1.8 billion contract for the connection on the tunnel’s New York side.

Element Six (E6), a pioneer in the development and manufacturing of polycrystalline diamond (PCD) and ultra-hard materials, and Master Drilling, a global leader in drilling and mechanized rock ...