The construction industry includes a wide variety of trades, many of which involve demanding physical work (e.g., repetitive movements, awkward postures, or significant exertion). When combined with sometimes unpredictable work environments, it becomes clear why injuries are so common in this field.
Each year, a large number of workplace accidents are reported in the construction industry, with serious consequences for workers’ health, and their ability to continue working in the long term.
In this context, prevention is essential, whether through safe work strategies or appropriate operating methods, in order to protect health and safety on construction sites.
Most common injuries on construction sites
Falls from heights and trips
Falls from heights are the leading cause of serious injuries in the sector. Unstable ladders, improperly assembled scaffolding, unprotected openings, or cluttered platforms are frequent culprits. Tripping is also common, caused by tools left on the ground, poorly stored cables, or uneven surfaces, and can result in sprains, fractures, or other musculoskeletal injuries.
Tips: Avoid climbing stairs, ladders, or scaffolding while carrying heavy or bulky items, and prioritize working on a stable surface with both feet level. Awareness, ongoing training, and proper maintenance of work areas are your best allies in preventing such incidents.
Musculoskeletal injuries (MSIs)
Musculoskeletal disorders (MSDs) occur when the body’s tissues are overused and job demands exceed their ability to adapt. Over time, repetitive movements, lifting heavy loads, and awkward postures (twisting, squatting) can cause pain and injury, particularly in the back, shoulders, and knees.
Workers also often have limited flexibility to pause their tasks, increasing the risk of developing MSDs. Repetitive movements, lifting, and prolonged postures, often bent forward or twisted, are daily realities on construction sites.
Tips: Use proper techniques, mechanical aids, and take active breaks to release tension.
Cuts, lacerations, and puncture wounds
Handling sharp or powered tools, working with sharp materials (sheet metal, glass, cables), or falling onto sharp objects are common causes of injuries.
Tips: Wearing gloves, reinforced boots, and well-maintained equipment is crucial to avoid these often preventable but potentially serious injuries.
Injuries from moving objects
On construction sites, interactions with machinery (cranes, lifts, forklifts…) are inevitable. Poor communication or improperly secured loads can lead to head trauma, fractures, or internal injuries.
Tips: Stick to designated walkways, secure loads properly, and maintain clear communication with coworkers to significantly reduce risk.
Excessive vibration and noise
Vibrating tools like jackhammers or mechanical saws can, over time, cause:
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Hand-arm vibration syndrome (numbness, pain, loss of sensation)
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Hearing damage
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Stress and mental fatigue
Tips: Limit exposure (e.g., take regular breaks, alternate hands when possible), try anti-vibration gloves, wear hearing protection, and most importantly, don’t underestimate the long-term impact of these exposures.
Why do accidents happen?
Improper Use of Personal Protective Equipment (PPE)
Helmets, goggles, gloves, boots, harnesses… PPE is the first line of defense. Employers must ensure PPE compliance, and workers must be trained to use it correctly.
Human error and lack of training
Even the most experienced workers can make mistakes. But many mistakes are preventable with proper training and supervision. Regular instruction on safe techniques, emergency procedures, and risk assessment is essential. Taking the necessary time to apply best practices is key.
Hazardous work conditions
Rain, ice, wind, extreme heat… These conditions drastically increase the risks on site. Add to that cramped spaces, cluttered areas, poor planning, or multiple trades working simultaneously. A well-organized site with clear traffic flow and defined work zones makes a huge difference.
Fatigue and overwork
Long, physically demanding days with few breaks? Fatigue builds up, alertness drops, and injuries follow. Taking real breaks, planning smart schedules, and promoting work-rest balance are essential to prevent accidents and burnout.
Prevention: simple habits, long-term results
Training and awareness
Prevention starts with continuous training. It must be practical, field-based, and regularly updated. Topics like safe material handling, tool use, and hazard recognition empower workers to protect themselves.
Proper use of PPE
Every position comes with specific risks. It’s vital to choose PPE that’s well-fitted, compliant, and regularly inspected. A scratched visor or worn-out harness can be the difference between a minor incident and a serious injury.
Site organization
- Clear walkways
- Visible signage for hazardous areas
- Task planning
- Regular team meetings
A well-organized site is a safer site.
Monitoring and compliance
Safety rules aren’t there to slow down work, they’re there to protect workers. Regular inspections, the presence of safety officers, and a culture that encourages open reporting are essential for a secure worksite.
What to do if an accident happens?
Even with every precaution, accidents can still happen. If one does, here’s what to do:
- Notify your employer and report the accident
- Stop or reduce work and difficult tasks, as needed
- Consult a doctor to obtain a medical certificate, when necessary
- Fill a claim with the CNESST
- Begin any prescribed treatments (physiotherapy, occupational therapy, etc.)
Rehabilitation services are generally covered by the CNESST. Depending on the injury, you may be referred to:
To learn more about the steps to take, visit our Workplace Accident (CNESST) page.
In summary
The construction field is demanding, but it should never compromise your health. Injuries are not inevitable—with the right habits, proper preparation, and the support of experienced professionals, you can build your career on solid and safe foundations. And remember: you have the right to work in an environment that protects your physical and mental health. Never hesitate to ask questions, seek help, or use the resources available to you.
Have you experienced a workplace accident or want to prevent injuries before they happen? Contact us today at 1 888 951-8667.
Article written by Martin Lussier, physiotherapist. In collaboration with our team at Intergo.
Related article: “Regaining Confidence After a Workplace Accident.”
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