CONFINED SPACE: A space that: a) is large enough and so configured that an employee can bodily enter and perform assigned work; and b) has limited or restricted means for entry or exit, such as tanks, vessels, silos, storage bins, hoppers, vaults, and pits; and c) is not designed for continuous employee occupancy.
CONFINED SPACE RESCUE: The personnel designed to rescue employees from permit required confined spaces.
PERMIT REQUIRED CONFINED SPACE: A confined space that has one or more of the following characteristics: a) contains or has a potential to contain a hazardous atmosphere; b) contains a material that has the potential for engulfing an entrant; c) has an internal configuration such that an entrant could be trapped or asphyxiated by inwardly converging walls or by a floor which slopes downward and tapers to a smaller cross section; or d) contains any other recognized serious safety or health hazard. (Ord. 98-3845, 8-25-1998)