Crews are now drilling a launch pit to hold the massive tunnel-boring machine for the Alaskan Way Viaduct Replacement project. The project will be using the largest diameter tunnel boring machine ever ...
When the original train tunnel beneath the Hudson River connecting Manhattan to New Jersey was built more than a century ago, workers toiled with picks and shovels from each side until eventually ...
These giant floating excavators work through deep water and heavy mud with incredible power and stability. Built for extreme ...