The tunnel boring machine (TBM), called Florence, hit difficult ground in November and has managed to move only 150m since it was first deployed in March 2022. The machine has not moved since December ...

Archaeologists have seen enough 19th-century shell deposits that they can let heavy excavation resume at Seattle’s Pioneer Square waterfront, where workers are digging an access pit to reach buried ...

The Mastenbroek TM80, pictured here with its boom arm in vertical configuration, uses the company’s trenchmix technique – mixing native soil in-situ with a cement binder in the trench as the machine a ...

Winter brings unique challenges to excavation and landscaping projects. Frozen soil, frost heave, snow cover, and unpredictable ground stability can slow progress or even bring work to a halt. The ...

A Vacmasters System 3 air unit potholes at Seattle Tacoma International Airport. Identifying exact locations of buried utility lines is a critical element in the facility's $2.4 billion public ...