Author: Lester Apley, CHST, CUSP

Soil Classification and Excavation Safety

An excavation – the act of creating a man-made cut, cavity, trench or depression in the earth’s surface – is one of the most hazardous activities that we deal with in construction. This Tailgate will shed light on proper soil classification, slope angle calculations and a simple rule that will help your employees make safe excavation decisions. Four Types of SoilEmployees who work on excavations must be trained in the four soil classifications: stable rock, Type A, Type B and Type C. In general, stable rock is not common because we disturb it by excavating, leaving us with the following three...

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