2022 Manitoba Workplace Safety and Health Act and Regulation

Tension equipment and operation
32.10(1) An employer must develop and implement safe work procedures
for pre-tensioning, post-tensioning or detensioning operations in
accordance with the specifications of
(a) the manufacturer of the precast concrete part; or
(b) a professional engineer.
32.10(2) An employer must ensure that
(a) tensioning equipment is used and maintained in accordance
with the manufacturer’s specifications;
(b) a bar, strand, wire or other material used for tensioning a
precast concrete part
(i) is protected from any damage during handling, storage and
transportation, and
(ii) is not damaged by welding, burning or any other work
procedure; and
(c) during a tensioning operation, only workers involved in the
operation are in the immediate vicinity.
Protection from damage
32.11 
No employer may permit any work to proceed on a tensioning
operation until the strands have been adequately protected.

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Workplace Safety And Health Regulation
285
PART 33 
DEMOLITION WORK
Application
33.1 
This Part applies to every workplace where demolition work takes
place.
Safe work procedures
33.2
An employer carrying out demolition work must
(a) develop and implement safe work procedures for demolition
work;
(b) ensure that workers involved in demolition work are trained in
those safe work procedures; and
(c) ensure that workers involved in demolition work comply with
those safe work procedures.
Employer’s general obligation re demolition work 
33.3
An employer must ensure that the demolition work is
(a) carried out in accordance with CSA Standard S350-M1980
(R2003), Code of Practice for Safety in Demolition of Structures;
(b) conducted in such a way as to ensure that, so far as is reasonably
practicable, workers and other persons are not exposed to risks
to their safety or health in connection with the demolition
work;
(c) subject to sections 33.8 and 33.9, carried out in the reverse order
of erection of the building or structure; and
(d) performed floor by floor from the top downward, if a worker is or
may be present in the building or structure during its demolition.