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Who Needs Working at Heights in Ontario?

All workers on a construction project in Ontario who use any method of fall protection to protect themselves from a fall hazard must receive a Chief Prevention Officer approved working at heights (WAH) training course. Holmes Safety Training courses have been approved by MLITSD's Chief Prevention officer to provide you with safety training that you can trust for your work site. In Ontario, employers must keep records of training for each worker. These records must include the worker's name, the approved training provider's name, the name of the approved training program, and the date on which the training was successfully completed.

Working at Heights Personal Fall Protection

Under O. Reg. 213/91: Construction Projects, all employees who use fall protection equipment, such as travel restraint systems, fall restricting systems, fall arrest systems, safety nets, work belts, or safety belts must take a Working at Heights course.

Remember, under the Occupational Health and Safety Regulation, all workers are required to use fall protection systems when they could fall from a height of 3 m (10 ft.) or more, or where a fall from a lesser height could result in serious injury.

What is covered in a Working at Heights course?

Working at Heights

Working at Heights training must be done in person. To complete a working at heights course you must successfully complete both basic theory modules and practical modules. Below you will find a breakdown of the Working at Heights modules. Employees must complete both WAH modules to be certified in Working at Heights.

Working at Heights basic theory module takes 3 hours

This 1st module covers the basic theory, knowledge, and awareness of how to work safely at heights.

The Working at Heights Basic Theory module contains the following:

  1. Rights and responsibilities related to working at heights under the Occupational Health and Safety Act

  2. General hazard recognition for working at heights,

  3. Hierarchy of controls,

  4. Safety procedures for warning methods and physical barriers,

  5. Safety procedures for ladders and similar equipment; and

  6. An introduction to personal fall protection equipment.

Working at Heights practical component of the course takes 3.5 hours

The 2nd module covers practical hands-on training where the students will feel confident in using technical skills and equipment needed for working at heights through different industry scenarios.

Working at Heights practical module

The Working at Heights Practical module contains the following:

  1. Barriers and safety nets

  2. Personal fall protection equipment,

  3. Anchor points,

  4. Work positioning systems, work access, and platforms; and

  5. Rescue planning.

How long is a WAH certificate valid?

Holmes Safety Training Working at Heights certificates are valid for 3 years under regulations.

To be eligible for refresher training, workers must have previously successfully completed both modules of an approved Working at Heights training program.

Holmes Safety Training offers Working at Heights Courses that you can trust

At Homes Safety Training, we offer Working at Heights Training and Working at Heights Refresher courses. We serve Ottawa and the surrounding areas.

Book your course today at


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