Does OSHA Really Require a Trench Box to Extend to 18 Inches Above Grade? Here’s a common misconception about OSHA’s excavation rules — and the real answer straight from a Certified Safety Professional. Find out when that 18-inch extension above grade is required and when it’s not. 💡 Need OSHA excavation training at your site? Request info on our Excavation Safety for the Competent Person class here: [https://oshatraining.com/on-site-training/osha-competent-person-training-trenching-and-excavat

Trenches can pose risks to workers and unsafe trenching has led to fatalities. Learn about the risk controls for safe trenching and safeguard your employees and yourself. www.worksafe.vic.gov.au/trenching | WorkSafe Victoria