Answer:
OSHA has many guidelines for a variety of different situations. It would be necessary to specify the particular workplace or hazard before a more useful answer can be provided but basically, it has been made to ensure the safety of the workers and the pedestrians who could get affected with certain workplaces.
First answer by Pzavon. Last edit by Johnywalter. Contributor trust: 1 [recommend contributor recommended]. Question popularity: 1 [recommend question].