for safe, economic trench and shoring solutions during a 30-foot-deep excavation project. California Steel (Cal Steel) is the West Coast’s only remaining steel supplier and was in need of a new ...

A 28 foot deep excavation was required to pour-in-place the new concrete shaft. Excavating within the corner of two existing walls is an exceedingly challenging operation, much less shoring the ...

Water – and mud – flow downhill. This fact of nature can be an enormous problem in managing excavation and tunnelling projects. One of the best ways to stop water is to freeze it. Freezing ...