The initial launch of the world’s largest TBM unfortunately has to contend with very soft and poor ground conditions. The…
There is a time and cost impact of keeping a TBM (tunnel boring machine) moving forward. For example, the added…
Austin Builds WTP4 to Ensure Safe and Reliable Drinking Water By Larry Laws, Jim Brennan and Stacie Long In 2009,…
Tunneling Gets Under Way for San Francisco Central Subway This summer, tunneling for San Francisco Municipal Transportation Authority’s (SFMTA) Central…
Euclid Creek Tunnel Mining Completed in Cleveland Mackenzie, the 1,500-ton tunnel boring machine drilling the 3-mile long Euclid Creek Tunnel…
Lorain, Ohio, Embarks on Its Own ‘Big Dig’ When it comes to sewer overflows, water does not discriminate. So, big…
The concept of light is fascinating and if you look up the term in the dictionary the definitions provided are…
By Eric Bescher, Nick de Ocampo and Mike Ballou Underground construction conditions vary from project to project. Things typically considered…
WSIP Tunnels Help Reshape San Francisco’s Future By Jim Rush The San Francisco Bay area is well known for its…
Mackenzie, the 1,500-ton tunnel boring machine drilling the 3-mile long Euclid Creek Tunnel 200 ft under Cleveland, Ohio, broke through…