Confined or Enclosed Spaces and Other Dangerous Atmospheres » Pre-Entry (Planning)
Click on an area for more specific information. Warning Signs and Labels Warning Signs and Labels Establishing Rescue Teams Training Employees Testing the Atmosphere Establishing Rescue Teams Pre-Entry (Planning)
Figure 1: Pre-Entry (Planning): Training Employees, Exchanging Information Between Employers, Testing the Atmosphere, and Establishing Rescue Teams.
The moment of entry is critical in confined or enclosed space operations. Injuries from fires, explosions, falls, and unsafe atmospheres may be avoided with careful preparation and adequate testing.

OSHA requires the following precautions as part of confined or enclosed space entry: