Canadian Construction Code and Regulations for Fall Protection Guardrails

A Complete Guide to Guardrail Safety Standards and Best Practices

Guardrail Regulations and Standards: Ensuring Fall Protection

In Quebec and Canada, regulations concerning the load-bearing capacity of construction guardrails, whether for edges protection, balconies, or roofs, are strict and primarily aimed at preventing and protecting against falls. It is essential to understand the Regulation respecting occupational health and safety (ROHS) to guarantee worker safety on site.

A guardrail must be designed and installed in accordance with these regulations to withstand specific loads, thus ensuring effective and preventative protection against accidents. Meeting these requirements is not only a legal obligation but also a commitment to safety and risk prevention.

The Importance of Prefabricated Guardrails for Safety at Height and Fall Protection

Prefabricated guardrails: an essential solution for safety at height.

Prefabricated guardrails play a crucial role in preventing accidents on elevated construction sites. Their primary function is to provide effective protection against accidental falls, a constant risk for workers operating on elevated work surfaces. Designed to support significant loads while remaining stable, these systems guarantee compliant and reliable safety on construction sites, balconies, rooftops, and other environments with a high risk of falls.

Furthermore, prefabricated guardrails are essential for ensuring compliance with safety regulations, particularly the Workplace Safety Code in the construction sector. They allow contractors and builders to meet the strict requirements established by authorities, such as the Quebec Construction Code, thus avoiding legal penalties and limiting liability risks in the event of an accident.

For optimal effectiveness, the guardrail height is a crucial factor. The recommended handrail height is generally between 90 and 95 cm from the nosing of a stair tread, while the minimum height at the top of the post must be at least 1 meter.

Sécur-IT Scaffolding prefabricated guardrails comply with all applicable standards in Quebec and Canada. Designed and tested by independent laboratories, our fall prevention systems are designed to meet or exceed the requirements of the RSST (Regulation respecting occupational health and safety) and the CNESST (Commission des normes, de l’équité, de la santé et de la sécurité du travail), provided they are installed according to the manufacturer’s installation guide.

All our systems are sold with:

– A complete installation guide

Essential standards for prefabricated guardrails in Québec and other Canadian provinces, and load capacity

Standards for prefabricated guardrails are essential to ensure worker safety on construction sites and compliance with applicable regulations. In Quebec and other Canadian provinces, safety requirements are clearly defined. These standards establish strict guidelines regarding the minimum height of guardrails, their structural strength, the distance between posts, and their overall stability.

They also specify the tests required to guarantee guardrail performance under various conditions, including load capacity. A guardrail must be able to withstand the specified loads, whether applied laterally or horizontally. Furthermore, these standards ensure that guardrails comply with each province’s building code, promoting uniformity in safety practices and providing effective protection against accidental falls.

Occupational Health and Safety Regulations (OHSR): Fall Protection on Work Surfaces

The OHSR in your province (Occupational Health and Safety Regulations) emphasizes the protection of workers in the workplace. It mandates the implementation of fall prevention measures, particularly on all elevated work surfaces, such as roofs. In accordance with the regulations, the installation of guardrails or other safety devices is mandatory to reduce and eliminate the risk of falls, thus ensuring a safer working environment for everyone.

S-2.1, r. 13 SECTION III LAYOUT OF PREMISES IN AN ESTABLISHMENT: general provisions for safety

This section of the RSST establishes the basis for safe workplace design, including specifications for permanent and temporary guardrails.

12. 12. Guardrails: All guardrails incorporated into a building, except those equipped with equipment, must comply with the National Building Code as it reads at the time of installation.

Temporary guardrails must be designed, constructed, and installed to withstand the following minimum loads:

• • a horizontal point load of 900 N applied at any point on the top rail;
• • a vertical load of 450 N applied to the top rail.

In addition, temporary guardrails must have:

• • a top rail located between 1 m and 1.2 m from the floor;
• • at least one intermediate rail fixed midway between the top rail and the floor. The intermediate rail may be replaced by balusters or panels;
• A toe board at floor level at least 90 mm high.
  In areas where there is a concentration of workers, as well as in other areas where temporary guardrails may be subjected to extraordinary stresses, they must be reinforced accordingly.

SECTION III.1 FALL PROTECTION: Specific requirements to prevent accidents

This section is crucial because it defines precisely when a worker must be protected against falls and what measures must be taken to prevent accidents.

33.1. Cases where the worker must be protected: Every worker must be protected against falls in the following cases:

• • if they are exposed to a fall of more than 3 m unless they are only using a means of access or egress;

33.2. Safety Measures: Where a worker must be protected in accordance with section 33.1, the employer must take one or more of the following measures to ensure the worker’s safety, subject to section 33.3:

• • modify the worker’s working position so that the worker performs their work from the ground or another surface where there is no risk of falling;
• • install a guardrail or system that, by limiting the worker’s movements, eliminates the risk of falling;
• • use collective protective equipment, such as a safety net, in accordance with section 354;
• • Ensure that the worker wears, while performing their work, a safety harness connected to an anchor point by a fall arrest lanyard, in accordance with section 347. When the worker cannot maintain their position without the aid of their fall arrest lanyard, ensure that they also use a positioning device, such as a plank on wall mount bracket, a positioning lanyard or strap, a suspension rope, or a platform;
• • Use another device that provides equivalent safety for the worker.

33.3. Installation of a guardrail: A guardrail must be installed at the edge of a drop, on the sides of a roof, or around any location from which a worker is at risk of falling:

• • into a liquid or hazardous substance;
• • from a height of 1.5 m or more into a well, basin, tank, reservoir, vat, container used for storing or mixing materials, or when handling a load; 3° or a height of more than 3 m in other cases.

 

Regulatory Changes Effective February 20, 2025

FALL PREVENTION FROM HEIGHTS

1. Addition and Modification of Terminology and Definitions

A fragile surface: A surface not designed to support the weight of a worker. This includes, in particular:

• • Skylights
• • Awnings
• • Sunshades
• • Drywall ceilings

2. Installation of Guardrails

• • A guardrail must be installed at a maximum distance of 300 mm from the edge, regardless of the presence of a worker.
• • A worker must be protected by a guardrail when there is a risk of falling from a height of 1.5 m while handling a load.
• • The risk of falling through a fragile surface = risk of falling into a void.
• • Guardrails are prohibited on work surfaces with a slope greater than 19° (4/12).

3. Guardrail Exception

If installing a guardrail is impossible or hinders the execution of the work, a hierarchy of protective measures must be followed:

• • Modification of the work process or work position to allow the worker to perform their work from a surface without risk of falling.
• • Use of a fall arrest system, compliant with Article 2.10.16 of the Belgian Construction Safety Code (CSTC).
• • Installation of a safety net, in accordance with Article 2.9.3 of the CSTC.
• • Wearing of a safety harness, connected to an anchor point by a fall arrest lanyard (Articles 2.10.12 and 2.10.15 of the CSTC).

Other complementary fall protection devices on construction sites or at the leading edge and on a roof

When installing a traditional guardrail is not the most suitable solution, other fall protection systems can be considered to ensure the safety of a work area. The Occupational Health and Safety Regulation (OHSR) govern several of these alternatives to guarantee an equivalent level of safety. We encourage you to consult this regulation for more information.

Fall protection standards for construction sites according to the Occupational Health and Safety Regulation (OHSR)

Openings located inside a building or on a roof, such as basement access stairs, elevator shafts, and skylights, constitute a significant fall hazard. In accordance with the requirements of the OHSR, these openings must be adequately protected to ensure worker safety.

Occupational Health and Safety Regulation (OHSR)

S-2.1, r. 13

Article 14

14. 14. Flooring: Every floor must:

• be free of any openings that could cause an accident, unless it is surrounded by a guardrail or closed by a cover capable of withstanding a load of at least 2.4 kN/m².

Ensure the safety of your construction sites by calling on Sécur-IT Scaffolding. We assist you in complying with fall protection standards, thus guaranteeing a safe working environment for your teams.

Ensuring your site structures comply with guardrail load limits and fall protection standards is an essential responsibility. Sécur-IT Scaffolding prefabricated guardrails are the ideal solution for temporarily eliminating fall hazards on your construction sites.

Our Sécur-IT Scafolding prefabricated temporary scaffolding guardrails comply with all applicable standards in Quebec and Canada. Tested by an independent engineering firm, our systems are designed to meet or exceed the requirements of the RSST (Regulation respecting occupational health and safety), the CNESST, and provincial requirements across Canada when installed in accordance with the manufacturer’s guide.

Don’t leave security to chance. Contact our experts today to discuss your needs and learn about the full range of Sécur-IT security solutions. Choose peace of mind with the most reliable comprehensive protection on the market.

All our systems come with:

• A detailed installation guide

Proof of accreditation is provided upon customer request