2022 Manitoba Workplace Safety and Health Act and Regulation

Commercially manufactured scaffolds and elevated work platforms
28.3(1) An employer must ensure that a commercially manufactured
scaffold or elevated work platform is installed, used, maintained and
dismantled in accordance with the manufacturer’s specifications.
But the employer may alter those specifications if the alteration is
certified by a professional engineer.
28.3(2) When a commercially manufactured scaffold or elevated work
platform is used at a workplace, the employer must ensure that
a copy of the manufacturer’s specifications, and any alterations
certified by a professional engineer, are readily accessible at that
workplace.

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Workplace Safety And Health Regulation
252
SCAFFOLDS 
GENERAL PROVISIONS APPLYING TO ALL SCAFFOLDS
Types that must be designed by engineer
28.4(1) Despite any other provision of this Part, an employer must ensure
that the following scaffolds are designed by a professional engineer:
(a) an open access scaffold more than 10 m in height;
(b) an enclosed or hoarded access scaffold more than 7.5 m in
height.
28.4(2) For a scaffold described in subsection (1), an employer must ensure
that
(a) the specifications for constructing, installing, using, maintaining
and dismantling it are certified by a professional engineer;
(b) it is constructed, installed, used, maintained and dismantled in
accordance with those specifications; and
(c) a copy of its design and all the specifications under clause (a)
are readily accessible at the construction project site where it is
used.
Standards re scaffolds 
28.5
Subject to sections 28.3 and 28.4, an employer must ensure that a
scaffold complies with the requirements of CSA S269.2-16, Access 
Scaffolding for Construction Purposes or a more specific standard
prescribed in this Part.
M.R. 128/2019