A scaffold must support its own weight and at least how many times the maximum intended load?

The requirement that a scaffold must support its own weight and at least four times the maximum intended load is based on safety standards in construction. This regulation ensures a substantial margin of safety to accommodate unexpected overloads or dynamic forces that might occur while the scaffold is in use.

By being designed to handle loads four times greater than the maximum intended, the structure is better equipped to remain stable and secure under varying conditions, preventing accidents or failures that could arise from one-off spikes in weight or movement. Such safety factors are crucial in construction, where the risks associated with tool and material weight, as well as worker activity, can vary significantly.

Understanding this principle is essential for anyone involved in scaffold design, inspection, or use, as it demonstrates a commitment to safety and compliance with industry standards.