When a permit space poses no actual or potential atmospheric hazards and, if all hazards within the space are eliminated without entry into the space, the permit space may be reclassifed as a non-permit confined space for as long as the hazards are eliminated.
If the permit space has to be entered to eliminate hazards, the entry must be done following the required steps of a permit entry. When tests and the inspection during the entry show that the hazards have been eliminated, the space may be reclassifed as a non-permit space for as long as the hazards are eliminated.
All entrants must immediately leave a declassified space if any hazards arise. Following evacuation, the space has to be reevaluated as to whether it should be reclassified as a permit space again. When a permit space is reclassified, the employer must document the basis for determining that all hazards have been eliminated. The certification needs to include:
§ Date,
§ Location of the space, and
§ Signature of the person making the reclassification determination.
This document has to be available for review by all entrants prior to entry.
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