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Kee Line / Lifeline / Fall Protection / Roofers

How to Select Lifeline and Anchor Systems for Safe Work at Height in Canada


Selecting the correct hook, line, and sinker excites outdoor enthusiasts going on a fishing trip; however, the amateur angler may not realize that there are distinct types of fishing lines and other accessories meant for different water conditions, types of fish, and other factors. 

Selecting the right hooks, lifelines, and anchor systems for a wide range of scenarios also requires expertise. It is a regulatory requirement and a critical, potentially life-saving decision. From maintenance of rooftop HVAC units to window washing on high rises, working at height is a significant cause of serious workplace injury and fatality in Canada. 

To ensure work at height safety, facility managers, safety officers, and contractors must understand when these systems are required, how they support safe movement, and how to choose the right solution for their specific application.

Kee Anchor / deadweight anchor/ roof anchor system / mobile roof anchor

Key Takeaways

  • Fall protection is legally required across all Canadian jurisdictions when workers face a fall hazard of 3 metres (10 feet) or more.
  • Prioritize fall restraint over fall arrest—preventing a worker from reaching the edge is always safer than stopping a fall in progress.
  • Match system to access frequency by using permanent engineered anchors for regular rooftop access and using mobile counterweight anchors for infrequent or membrane-sensitive applications.
  • Plan for movement by using horizontal lifeline systems for large rooftop travel paths and using rigid rail lifelines where short free-fall distances and swing hazards are a concern.
  • Only use CSA-compliant, engineered systems installed by qualified professionals to ensure regulatory compliance, structural reliability, and long-term performance.
  • Inspect and recertify all roof safety equipment at least once per year to maintain protection and meet ongoing legal obligations.

When Are These Systems Required?

Canada Occupational Safety and Health Regulations, SOR/86-304, Section 12.07 stipulate that fall protection is mandatory when workers are exposed to a fall hazard of 3 metres (approximately 10 feet) or more. This working height regulation is consistent across Canadian provinces and territories.

For example, Alberta’s Occupational Health & Safety (OHS) Code 191/2021 Part 9, Section 139, and Ontario’s O. Reg. 213/91, Section 26, state that employers must provide fall protection wherever a worker may be exposed to falling 3 metres or more. 

Where guardrails or other “passive” barriers are not feasible or in place, roof anchor systems and lifelines provide the backbone of “active” fall protection strategies that personally involve the worker. Certified rooftop anchor points with lanyards and lifelines keep workers securely connected to the structure throughout every task.

Rigid rail solution for all types of roofs

What is the Difference Between Fall Restraint and Fall Arrest?

Before selecting hardware, you should understand the situation and determine your strategy. Fall restraint systems (also called travel restraint) prevent a worker from reaching an unprotected edge or other fall hazard (e.g., a roof hatch or a skylight). This is the preferred approach, and it is a matter of limiting the length of the tie-off from the anchor point to the hazard.

Fall arrest systems are engineered to stop a fall already in progress and limit impact forces on the body to less than 8 kN (approximately 1,800 lbs.). Several factors go into calculating the fall clearance distance to avoid “bottoming out”—hitting the surface below. These include:

  • Length of the lanyard, energy absorber (when deployed), harness, and other equipment when stretched.
  • Location and strength of the anchor point.
  • Height of the worker.
  • Vertical and horizontal clearances.
  • The potential for the “pendulum effect” (swing-falls that result in striking other equipment or structures).
  • A safety factor distance.

A well-rehearsed rescue plan must be in effect to minimize suspension trauma to the worker in the event of a fall.

 

Kee Post rigid anchor tie-off offers a solution for securing workers to the building’s structure

What are the Key Decision-Making Factors?

Frequency of access and roof type are the first variables to evaluate. Membrane roofs, metal standing seam roofs, concrete decks, and green roofs all present different anchoring challenges.

For rooftops accessed regularly, a permanent roof anchor for Canada facilities provides a robust, fixed tie-off point for new construction or retrofit, compatible with multiple roof types and connection methods, including bolting, welding, and epoxy installation.

KS KAT 8989 Medium

For infrequent tasks like annual inspections or quarterly maintenance, a freestanding, counterweight mobile anchor for roofs with up to a 5-degree pitch. They are easy to assemble, disassemble, and relocate. The non-penetrating design also preserves the integrity of the roof membrane.

For window washing, painting, and other façade maintenance requiring rope access for descending and climbing, a mobile rope access anchor is a force-balanced system, compliant with CSA Z259.15-17.

Kee Line / Horizontal lifeline / Fall Arrest / Fall Restraint System

Worker movement patterns determine whether a single-point anchor or a continuous line is appropriate. When workers must travel across large rooftops or other expanses, individual anchor points are inefficient. A horizontal lifeline system allows continuous movement while remaining attached, accommodating up to three users between anchorages spanning up to nearly 12 metres (39 feet).

In environments with low clearances, such as loading docks, truck bays, aviation hangars, or rail facilities a modular rigid rail lifeline minimizes the fall distance and eliminates the pendulum swing hazard. This helps protect workers and the equipment below.

The Imperative of Engineered, Standards-Compliant Systems

In Canada, all fall arrest systems and anchors must meet CSA Z259 standards, including CAN/CSA-Z259.16-15 for the design of active fall protection systems.

Engineered systems must be designed by qualified professionals, validated structurally, and installed by certified technicians to ensure compliance and long-term performance. For example, roof anchors must withstand a 5,000 lbs. load without permanent deformation and meet CSA Z259.15 and ANSI Z359.18 standards. Engineered systems also produce the documentation and load calculations required for regulatory inspections and insurance coverage.