Confined Space Entry

A confined space means a space that:

  • Is large enough and so configured that an employee can bodily enter it,
  • Has limited or restricted means for entry and exit, and
  • Is not designed for continuous employee occupancy.

Employers must establish procedures and methods in accordance with OSHA for safe entry into confined spaces.  Sanitary sewer manholes require a written confined space entry permit due to the hazardous characteristics.  OSHA requires employers to ensure that their workers know about the existence, location, and dangers posed by permit-required confined spaces.


OSHA 1910.146 – Permit-required confined spaces

OSHA Fact Sheet – Confined Spaces in Construction:

OSHA Safety and Health Topics

NIOSH Topics – Confined Space