Appropriate retrieval equipment or methods should be used whenever a person enters a confined
space. Use of retrieval equipment may be waived by the designated qualified persons if use of
the equipment increases the overall risks of entry or does not contribute to the rescue. A
mechanical device should be available to retrieve personnel from vertical type confined spaces
greater than five feet in depth.
13.12. WARNING SIGNS AND SYMBOLS
All confined spaces that could be inadvertently entered should have signs identifying them as
confined spaces. Signs should be maintained in a legible condition. The signs should contain a
warning that a permit is required before entry. Accesses to all confined spaces should be
The employer should provide training so that all employees whose work is regulated by this
section acquire the understanding, knowledge, and skills necessary for the safe performance of
their duties in confined spaces. Training should be provided to each affected employee:
Before the employee is first assigned duties under this section,
Before there is a change in assigned duties,
Whenever there is a change in permit space operations that presents a hazard for which an
employee has not been trained, and
Whenever the employer has reason to believe either that there are deviations from the
permit space entry procedures required in this section or that there are inadequacies in the
employee's knowledge or use of these procedures.
The training should establish employee proficiency in the duties required by this section and
should introduce new or revised procedures, as necessary, for compliance with this section.
13.13.1. General Training
All employees who will enter confined spaces should be trained in entry procedures. Personnel
responsible for supervising, planning, entering or participating in confined space entry and rescue
should be adequately trained in their functional duties prior to any confined space entry.
Training should include:
Explanation of the general hazards associated with confined spaces;
Discussion of specific confined space hazards associated with the facility, location or
Reason for, proper use, and limitations of PPE and other safety equipment required for
entry into confined spaces;