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0:05
🦴DIGGIN UP BONES V.1 - NADA • ⚒️EXCAVATION, TRENCHING, & SHORING - PROTECTIVE SYSTEMS: Trenches 20 feet deep OR greater require a Protective System designed by a Registered Professional Engineer - Benching, Sloping, Shoring, Shielding. • 📐Designing a Protective System CAN be complex because you MUST consider many factors: Soil Classification, Depth of Cut, Water, etc. • 🪑Benching means a method of protecting Workers from Cave-Ins by Excavating the sides of an Excavation to form one or a serie
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