Canada Occupational Health and Safety Regulations

3.13 (1) If there is a risk that tools, equipment or materials could fall onto or from a temporary structure, the employer shall provide a protective structure or a safety net to protect from injury any employee on or below the temporary structure.

(2) The design, construction and installation of a safety net referred to in subsection (1) shall meet the standards set out in ANSI Standard ANSI A10.11-1979, American National Standard for Safety Nets Used During Construction, Repair and Demolition Operations, dated August 7, 1979.