What is PtD? Prevention through Design, or PtD, is the process of designing out workplace hazards to either minimize or eliminate hazards or risks of serious injury or illness. PtD involves efforts to anticipate and design out hazards to workers in facilities, work methods and operations, processes, equipment, tools, products, new technologies, and the organization of work. PtD is one of the best ways to prevent and control occupational injuries, illnesses, and fatalities. In addition to reducing the risk of serious injury and illness, significant cost savings are often associated with hazard …