Oil and Gas Occupational Safety and Health Regulations

15.42 (1) The main approaches to any materials handling area shall be posted with warning signs or shall be under the control of a signaller while operations are in progress.

(2) No person shall enter a materials handling area while operations are in progress unless that person

• (a) is a safety officer;

• (b) is an employee whose presence in the materials handling area is essential to the conduct, supervision or safety of the operations; or

• (c) is a person who has been instructed by the employer to be in the materials handling area while operations are in progress.

(3) If any person other than a person referred to in subsection (2) enters a materials handling area while operations are in progress, the employer shall cause the operations in that area to be immediately discontinued and not resumed until that person has left the area.