Excavation and Trenching Safety Public Works This informative training program features

This informative training program features key insights into the world of fire prevention and fire protection plans

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Excavation and Trenching Safety Public Works This informative training program featuresExcavation is among the most dangerous construction jobs, causing four fatalities per month. Over a five year period, 30 percent of worker deaths occurred in trenches five to nine feet deep; far fewer in trenches 20 or more feet deep. This video explains support systems such as benching, shielding and trench boxes, shoring and sloping. It describes how trench failures occur, symptoms of trench failure and cave in progression. Employees learn they must