permit and should be in place. Second, a qualified person should verify that all precautions and
other measures called for on the permit are still in effect. Finally only operations or work
originally approved on the permit should be conducted in the confined space.
A new permit should be issued or the original permit reissued whenever changing work
conditions or work activities introduce new hazards into the confined space. The employer
should retain each cancelled entry permit for at least one year to facilitate the review of the
confined space entry program. Any problems encountered during an entry operation should be
noted on the pertinent permit so that appropriate revisions to the confined space permit program
can be made.
13.7. ENTRY PROCEDURES
Whenever entry into a confined space is needed, either an Entry Supervisor or the person in
charge of the job may initiate entry procedures, including the completion of a confined space
entry permit. Entry into a confined space should follow the standard entry procedure.
The following are requirements for standard entry:
Training to establish personnel proficiency in the duties required,
Atmospheric testing for entry, and
Atmospheric monitoring during the entry.
Before an employee enters the space, the internal atmosphere should be tested with a calibrated,
direct-reading instrument. If a hazardous atmosphere is detected during entry:
The space should be evaluated to determine how the hazardous atmosphere developed,
Measures should be implemented to protect employees before any subsequent entry takes
Personnel should be prohibited from entering hazardous atmospheres without wearing proper
respiratory equipment as determined by qualified entry supervisors. The entire confined space
entry permit should be completed for a standard entry. Entry should be allowed only when all
requirements of the permit are met and it is reviewed and signed by an Entry Supervisor.
13.8. OPENING A CONFINED SPACE
Any conditions making it unsafe to remove an entrance cover should be eliminated before the
cover is removed. When entrance covers are removed, the opening should be promptly guarded
by a railing, temporary cover, or other temporary barrier that will prevent anyone from falling
through the opening. This barrier or cover should protect each employee working in the space