By Garth Williams, PMP, CQIA, Health & Safety Technician

Working at heights — whether on ladders, scaffolding, rooftops, mezzanines, or elevated platforms — is one of the most hazardous tasks in construction and industrial environments. Even a brief lapse in attention can result in serious injury or death.

Common Fall Hazards

  • Unguarded Edges or Openings – Rooftops, mezzanines, floor openings, skylights, or pits
  • Slippery or Cluttered Surfaces – Wet, oily, muddy, or uneven ground; loose materials; frost, rain, or dew
  • Improper Ladder Use – Wrong type or length, unsecured ladders, overreaching, unstable base, or standing on the top step
  • Unsafe Scaffolding – Incorrectly erected, missing guardrails, incomplete planking, or general instability
  • Complacency or Lack of Training – Skipping inspections or using harnesses improperly
  • Falling Tools or Materials – Unsecured objects can injure workers below
  • Changing Site Conditions – Weather, shifting materials, changing layouts, or new hazards are introduced

Fall Protection Matters

Falls are the leading cause of fatalities in construction, often occurring during seemingly routine tasks like climbing ladders, working on roofs, or carrying materials at elevation. Falls from as little as 4 to 6 feet can cause serious head, spine, or neck injuries. Proper use of fall-protection equipment — including harnesses, guardrails, and anchor points — has prevented countless potential accidents. A layered approach is essential to ensuring your safety.

Eliminate or Reduce Working at Heights – Use extendable tools, pre-assemble components, or operate mechanical lifts to minimize time spent at elevation.

Install Collective Fall Protection – Place guardrails, cover openings, or position safety nets under elevated work areas.

Use Personal Fall Arrest Systems (PFAS) – Wear full-body harnesses with shock-absorbing lanyards or self-retracting lifelines anchored to secure points and inspect and use them correctly.

Follow Safe Ladder and Scaffold Practices – Maintain proper ladder ratios, ensure a stable base, and keep three-point contact; fully plank, guardrail, and secure scaffolds.

Provide Training and Maintain Competence – Teach workers proper equipment use, hazard recognition, anchor selection, ladder/scaffold procedures, and emergency rescue. Schedule regular refresher training to prevent complacency.

Plan and Practice Emergency Rescue – Prepare for quick rescue after a fall to prevent suspension trauma and ensure a tested rescue plan is in place.

Safety Standards

In the United States, OSHA requires both General Industry and Construction employers to provide fall protection, inspect and maintain equipment, and train workers in a language they understand. Internationally, standards such as ISO 45001 promote proactive hazard identification, risk elimination, and the embedding of safety across all work stages.

Practical tips to keep you safe include inspecting equipment before each use, keeping walking surfaces clean and organized, using a buddy system, respecting the hierarchy of controls, and knowing the rescue plan before starting work. Be mindful to always stay tied off when working at a height, avoid working fatigued or in unsafe weather, never bypass guardrails or anchors, and never rush.

Working at heights is inherently risky, and small decisions — like not using a harness or not securing a ladder — can have severe consequences. A safety-first, layered approach combining hazard elimination, engineering controls, proper equipment, training, and rescue planning reduces risk. Vigilance and adherence to safety practices ensure crews work confidently and return home safely every day. If you need assistance training your staff on fall prevention and other safety matters, RETTEW’s Safety Training group can assist. Our trainers tailor their approach to your specific situation. We can bring experts to your workplace or host your staff in our hands-on training center.

RETTEW’s team of safety professionals has expertise in identifying and mitigating work location and job site dangers for a diverse client base, including private industry, contractors, municipalities, and other consulting firms. Our in-house staff and partners, including Certified Safety Professionals, Construction Health and Safety Technicians, Certified Industrial Hygienists, and Certified Ergonomics Compliance Directors, provide support to our clients in addressing construction, commercial, and industrial workplace safety concerns. Learn about our qualifications and contact us to discuss our comprehensive safety services.