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Platforms and walkways in Alberta

Construction Season Safety: Reducing Work at Height Risks on Active Job Sites


As temperatures rise and flowers bloom, it is also time for the blossoming of cranes, bulldozers, backhoes, compressors, excavators, plus an endless stream of trucks delivering tools, equipment, and supplies.

Yes, it is construction season in Canada!

With job sites in Canada entering their most demanding time of the year—driven by tight deadlines and favourable weather—a surge of rooftop and elevated work-area activity is inevitable.

For contractors, maintenance teams, and facility workers converging on job sites, this acceleration also amplifies the risk of construction fall hazards. Increased traffic, compressed schedules, and more frequent work at height create the conditions for serious fall incidents. Managing those risks effectively demands a proactive, engineered approach to work at height safety—and for projects involving educational facilities, the challenges are compounded.

Fall Protection Canada / Fall protection Ontario, Quebec, Alberta, British Columbia, Manitoba, Saskatchewan Sas

Key Takeaways

  • Peak construction season increases work at height frequency, site congestion, and fall hazard exposure.
  • Unprotected edges, inadequate anchor systems, undefined access routes, and roof openings are leading contributors to elevated work area safety failures.
  • Passive (barriers) and active (fall arrest) engineered systems reduce risk while improving job site efficiency.
  • Educational facility projects face amplified pressure from occupied buildings, phased timelines, and long-term maintenance requirements.
  • Permanent safety infrastructure protects workers today and supports facility operations for years ahead.
  • Investing in work at height Canada-compliant, engineered safety solutions is both a regulatory obligation and a practical strategy for keeping projects on schedule and workers safe.
Fall Hazards

Common Hazards on Active Job Sites

Active construction environments can have multiple trades sharing rooftop and elevated work areas. Equipment gets repositioned. Schedules shift. In that environment, hazards intensify.

Unprotected edges are a serious threat at any active site. Workers moving across rooftops — particularly when focused on a task — face constant fall exposure at the perimeter.

Unsafe access routes create another layer of risk. Workers forced to navigate around mechanical equipment or traverse uneven surfaces without defined pathways are more likely to trip, lose balance, or drift too close to an unprotected edge.

Skylights and roof hatches are often underestimated in congested zones. A misstep into an open hatch or skylight or stepping directly onto a closed skylight that cannot support a worker’s weight can be catastrophic.

Obstructions on the rooftop, such as piping, ductwork, cables, conduits, and even debris, create constant trip and fall hazards.

Façade work using suspended platforms requires proper rigging and anchorage, which should not be done on an ad hoc basis.

When different contractor firms and construction crews share the same space, fall protection equipment and safety training can be inconsistent and unreliable. Engineered systems set in place will diminish risks and protect workers on crowded rooftops.

Engineered Safety Systems Offer a Smarter Approach

Unlike temporary or improvised measures, permanent rooftop safety systems support safer movement and improve job site efficiency by eliminating repeated setup time and guesswork. They provide a distinct advantage when schedules are tight and site traffic is high. Safety managers should consider both “passive” and “active” fall protection measures.

Passive Fall Protection / Safety Guardrail / Roof Edge Guardrails / Fall Protection / Roof Walkway

A) Passive Fall Protection Systems

The most effective fall protection is to place a barrier between the worker and the hazard. These are “passive” rooftop access systems because they are already in place and collectively protect multiple workers simultaneously without special equipment or training. Passive fall protection is an ideal way to account for multiple trades on congested rooftops. Types of systems include:

  • Freestanding Guardrail provides roof edge protection and is installed without penetrating the roof membrane, thus preserving the roof warranty. Constructed of strong, durable, corrosion-resistant aluminum or galvanized steel, these modular systems adapt to virtually any flat or low-sloped roof layout and are easily assembled without welding or drilling.
  • Anti-slip Roof Walkways delineate clear, safe travel paths so workers can navigate the safest route to their tasks. Aluminum or galvanized steel frames provide non-bounce stability, and the self-draining treads prevent the buildup of rainwater or slippery fluids. Walkways also eliminate the wear and tear of direct foot traffic on the rooftop.
Kee Step / Crossover / Fall Protection / Roof Fall Protection / Roof Fall Protection Canada
  • Crossover Platforms bridge obstructions on the rooftop and enable workers to navigate a change in the roof level. They feature the same slip-resistant aluminum or nylon treads used for roof walkways, along with compliant guardrails on both sides of the steps and platform.
  • Roof Hatch Kits surround access hatches with a non-penetrating, compliant railing system that features a self-closing safety gate. The gate has a spring-loaded mechanism that closes and latches automatically once the worker passes through to protect the opening.
  • Skylight Fall Protection can include a compliant, non-penetrating railing system that surrounds the skylight or roof dome, or a protective skylight screen mesh that clamps to and covers the skylight without blocking the sunlight. 
Active Fall Arrest Systems / Horizontal Lifeline / Mobile Rope Access Anchor / Roof Anchors

B) Active Fall Arrest Systems

When guardrails are not practical or not already in place, “active” fall arrest measures are needed. They deploy harnesses, lanyards, lifelines, connectors, and engineered roof anchor systems to provide effective travel restraint and fall arrest. They can include:

  • Horizontal Lifeline Systems allow multiple workers to remain continuously attached while moving freely across the work zone. They eliminate the repeated re-anchoring that slows crews and introduces exposure gaps.
  • Rigid Post Anchors offer certified, structure-mounted attachment points rated for single or multi-worker use. 
  • Non-penetrating Mobile Anchors for flat or low-sloped roofs can be easily installed, disassembled, and moved. 
  • Mobile Rope Access Anchors enable a single worker to abseil the building façade while remaining securely anchored.
  • Rigid Rail Systems provide access from overhead along a modular track-and-trolley system. It eliminates the “pendulum effect” of sagging cable-based lifelines and has a short fall arrest distance for added safety.

Unique Challenges in Educational Facility Construction

Schools, colleges, and university campuses introduce a distinct combination of pressures. Academic calendars create hard deadlines. Phased construction means work often occurs on or adjacent to occupied buildings. Since campus facilities will require ongoing maintenance for decades, the rooftop safety infrastructure installed during construction should also serve long-term needs.

Kee Step / Crossover / Fall Protection / Roof Fall Protection / Roof Fall Protection Canada

To this end, work access platforms provide compliant, passive fall protection that will enhance worker safety and productivity for years to come. Featuring a modular design, they can be installed for permanent placement, such as HVAC unit maintenance, or be expanded, reconfigured, and moved if necessary.

They feature anti-slip, self-draining walkway steps and platform decks and aluminum or galvanized steel frames with integrated guardrails. Types of platforms include:

  • Static (fixed) Platforms are ideal for permanent installation and frequent tasks.
  • Mobile Platforms are fitted with heavy-duty locking casters for station-to-station portability.
  • Custom Platforms can be engineered for adjustable height capability, equipped with storage racks and shelves, installed with shop services (e.g., air, water, electricity), and include a self-closing safety gate for additional fall protection.

These permanent fall protection systems installed during initial construction or renovation protect contractor rooftop safety in the short term while supporting facility operations and regulatory compliance well into the future.

Education Facilities Rooftop Safety

Protect Maintenance Staff, Contractors, Students and Faculty

Educational facilities across Canada need safe, compliant access for staff, contractors and maintenance teams working at height. Kee Safety provides rooftop fall protection and safe access solutions for schools, colleges and universities, helping protect people near roof edges, skylights, ladders, access points and rooftop equipment.

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