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OSHA Soil Classification for Construction Safety - DVD

Item #: MD-492
Our Price: $49.95
 
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Some types of soil are stable and some are not—and since one cubic yard of earth weighs as much as 3,000 pounds, trench cave-ins can be deadly for construction workers. The best way to prevent such tragedies is to determine the soil type before any excavation work begins. Featuring detailed scenes of professional trenching jobs, this video introduces trainees to OSHA soil classification techniques, preparing them to properly slope, bench, or shore a trench. Viewers learn how a visual inspection of soil is conducted (encompassing signs of vibration, previous disturbance, water seepage, and fissuring), followed by the three most common testing methods: plasticity, thumb penetration, and pocket penetrometer. The meanings of soil Types A, B, and C are explained, as are cohesive and granular soil categories as well as the concept of unconfined compressive strength. An indispensible guide for any construction training program! This DVD is offered in either English or Spanish.
ISBN UPC: 9781622905331
Format: DVD
Copyright: 2011
Length: 11 minutes

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