PART XXVII CONFINED SPACE ENTRY — Entry into confined space

adequate explosion-proof illumination is provided where appropriate; and

adequate barriers are erected to prohibit unauthorized entry.

the opening for entry and exit is sufficient to allow safe passage of a person wearing personal protective equipment;

mechanical equipment in the confined space is

disconnected from its power source, and (ii) locked out and tagged;

pipes and other supply lines whose contents are likely to create a hazard are blanked off;

measures have been taken to ensure that, where appropriate, the confined space is continuously ventilated;

liquid in which a person may drown or a free-flowing solid in which a person may become entrapped has been removed from the confined space;