A confined space must be large enough to enter, have a restricted means of entry and exit and not be designed for continuous human occupancy. A question that was just posed to me recently was
"Do confined spaces have to be a particular depth before they are considered confined spaces?"
What are your thoughts on this question? Is an open top tank that is 3 feet deep a confined space? Does your company or workplace establish a particular depth for a confined space? If so what is it and why?