Flatiron + HOCHTIEF = Expert Builders and Tunnelers under One Roof
Flatiron's Tunneling Group focuses on large-scale tunnel projects across the U.S. and Canada. Flatiron works in close concert with tunneling experts from our parent company, HOCHTIEF, combining local resources, project management expertise, and experience on large-scale civil projects with HOCHTIEF's technical tunneling expertise to offer clients expert builders and tunnelers under one roof. As one of the largest international tunneling contractors in the world, Flatiron's parent company, HOCHTIEF, has completed more than 400 miles of tunnel for more than 400 different projects since 1945.
|Flatiron + HOCHTIEF Tunneling Services Portfolio|
Lenihan Dam Outlet Modifications - Los Gatos, CA
At the foot of the Santa Cruz Mountains, Flatiron replaced the deteriorating outlet structure for the 50-year-old Lenihan Dam - a 1,000-foot-long earthen barrier holding water stored at the Lexington Reservoir in Los Gatos, Calif. The project was a seismic upgrade for…