This course covers the OSHA Excavation Standard and safety and health aspects of excavation and trenching. Course topics include practical soil mechanics and its relationship to the stability of ...

The key to safe excavations between 5 and 20 feet deep is that the work be supervised closely by a trained, competent person. (Trenches 20 feet or deeper require a safety system devised by a ...

An intelligent inversion framework for soil parameters in deep excavations is established by using BIM technology, finite difference method (FDM), and nondominated sorting genetic algorithm II ...

When an environmental firm took soil samples at the Convention Center in July 2013 to test the dirt for contaminants, it said heavy metals such as arsenic and lead “exceed regulatory levels” and any ...

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 water in ...

Despite the variety of trench safety practices and protective devices available on the market, excavation and trenching remain among the most hazardous operations on a construction site. As defined by ...

Scientists classify soil based on factors such as mineral content, texture, drainage capacity, and fertility. Globally, the 7 most common types of soil form the basis of farming and ecosystem balance: ...