2022 Manitoba Workplace Safety and Health Act and Regulation

Professional engineer’s certification
28.25 
When a suspended work platform is permanently installed on a
building or structure, the owner of the building or structure must
ensure that
(a) a professional engineer certifies, before its first use, that the
anchor points, platform, the platform’s suspension system and
all components of the suspension system are safe; and
(b) the anchor points are inspected at least annually to ensure the
anchor points are safe.
Portable outrigger beams and similar supports
28.26(1) An employer must ensure that a portable outrigger beam or other
similar support structure of a suspended work platform
(a) is designed and constructed to support at least four times the
weight of the platform and its rated load;
(b) is located
(i) plumb to the stirrups of the platform,
(ii) at right angles, or as near as practicable to right angles, to
the face of the building or structure, and
(iii) so that the outboard portion of the beam does not extend
more than 1 m beyond its fulcrum point; and
(c) is securely tied-back to a secure anchor on the building or
structure which is capable of supporting the weight of the
suspended work platform.
28.26(2) When counterweights are used in conjunction with a portable
outrigger beam or similar support structure, an employer must
ensure that the length of the inboard portion of the beam or support
structure is not less than three times the outboard portion, and the
counterweights are
(a) secured to the beam or support structure when in use; and
(b) not made up of bagged or loose material.

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Workplace Safety And Health Regulation
262
Wire or fibre rope used to suspend platforms
28.27(1) An employer must ensure that only wire rope is used to suspend a
suspended work platform. The wire rope used must be
(a) 8 mm or greater in diameter;
(b) capable of supporting 10 times the weight of the platform and
its rated load;
(c) continuous and unspliced, except for terminal eye splices; and
(d) long enough to permit the platform to be lowered to a safe
landing.
28.27(2) Despite subsection (1), fibre rope may be used to suspend a
boatswain’s chair if
(a) the fibre rope is
(i) at least 20 mm in diameter, and
(ii) capable of supporting 10 times the weight of the chair and
its rated load;
(b) the boatswain’s chair is not suspended 30 m or more above the
ground; and
(c) the rope is not exposed to the effects of corrosive chemicals,
heat, cold, abrasion or other adverse conditions.
28.27(3) An employer must ensure fibre rope is not used as a lifeline if it is
exposed to the effects of corrosive chemicals, heat, cold, abrasion or
other adverse conditions.