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California Code of Regulation- Title 8, Section 5157. Permit -Required (,)nfined Spaces. Page 8 of 14 (G) Equipment, such as ladders, needed for safe ingress and egress by authorized entrants; (H) Rescue and emergency equipment needed to comply with subsection (d)(9), except to the extent that the equipment is provided by rescue services; and (I) Any other equipment necessary for safe entry into and rescue from permit spaces. (5) Evaluate permit space conditions as follows when entry operations are conducted: (A) Test conditions in the permit space to determine if acceptable entry conditions exist before entry is authorized to begin, except that, if isolation of the space is infeasible because the space is large or is part of a continuous system (such as a sewer), pre -entry testing shall be performed to the extent feasible before entry is authorized and, if entry is authorized, entry conditions shall be continuously monitored in the areas where authorized entrants are working; (B) Test or monitor the permit space as necessary to determine if acceptable entry conditions are being maintained during the course of entry operations, and (C) When testing for atmospheric hazards, test first for oxygen, then for combustible gases and vapors, and then for toxic gases and vapors. NOTE: Atmospheric testing conducted in accordance with Appendix B would be considered as satisfying the requirements of this subsection. For permit space operations in sewers, atmospheric testing conducted in accordance with Appendix B, as supplemented by Appendix E, would be considered as satisfying the requirements of this subsection, (6) Provide at least one attendant outside the permit space into which entry is authorized for the duration of entry operations; NOTE: Attendants may be assigned to monitor more than one permit space provided the duties described in subsection (i) can be effectively performed for each permit space that is monitored. Likewise, attendants may be stationed at any location outside the permit space to be monitored as long as the duties described in subsection (i) can be effectively performed for each permit space that is monitored. (7) If multiple spaces are to be monitored by a single attendant, include in the permit program the means and procedures to enable the attendant to respond to an emergency affecting one or more of the permit spaces being monitored without distraction from the attendant's responsibilities under subsection (i); (8) Designate the persons who are to have active roles (as, for example, authorized entrants, attendants, entry supervisors, or persons who test or monitor the atmosphere in a permit space) in entry operations, identify the duties of each such employee, and provide each such employee with the training required by subsection (g); (9) Develop and implement procedures for rescuing entrants from permit spaces, for providing necessary emergency services to rescued employees, for summoning additional rescue and emergency services, and for preventing unauthorized personnel from attempting a rescue; (10) Develop and implement a system for the preparation, issuance, use, and cancellation of entry permits as required by this section; (11) Develop and implement procedures to coordinate entry operations when employees of more than http://www.dir.ca.gov/title8/5157.html 6/4/99