ASWP01 Introduction & General Legislation
4.0 General Legislation
The following sections of the Occupational Health and Safety Act (OHSA) apply to the trade of
arboriculture and form the foundation for all of the Arborist Safe Work Practices. It should be
noted that the applicable legislation sets minimum standards for the trade. Specific legislation
relating to a work practice will be indicated in each individual work practice section.
Note: Not all sections of the OHSA and Regulations have been indicated here or in other
Arborist Safe Work Practices. It is the responsibility of individuals to know and understand
applicable legislation and apply them as required. The most current edition of the OHSA is
accessible through e-laws.
• OHSA 25 (1) (a) Duties of Employer: ensure that the equipment, materials and
protective devices as prescribed are provided.
• OHSA 25 (1) (b) Duties of Employer: ensure that the equipment, materials and
protective devices provided by the employer are maintained in good condition.
• OHSA 25 (1) (d) Duties of Employer: ensure that the equipment, materials and
protective devices provided by the employer are used as prescribed.
• OHSA 25 (2) (a) Duties of Employer: provide information, instruction and supervision
to a worker to protect the health or safety of the worker.
• OHSA 25 (2) (h) Reasonable Precautions: take every precaution reasonable in the
circumstances for the protection of a worker.
• OHSA 26 (1) (k) Additional Duties of Employers: where so prescribed provide a
worker with written instructions as to the measures and procedures to be taken for the
protection of a worker.
• OHSA 27 (1) (a) Duties of Supervisor: shall ensure that a worker works in a manner
and with the protective devices, measures and procedures required by this Act and the
regulations
• OHSA 27 (1) (b) Duties of Supervisor: shall ensure that a worker uses or wears the
equipment, protective devices or clothing that the worker's employer requires to be used or
worn.
• OHSA 27 (2) (b) Duties of a Supervisor: shall where so prescribed, provide a worker
with written instructions as to the measures and procedures to be taken for the protection
of the worker.
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