Deceleration distance

Hazards

• The additional vertical distance traveled while a fall-arrest device dissipates energy and stops a fall.

Controls

• Include it with free fall, worker height, harness stretch, system elongation, safety margin, and lower obstructions.

Personal protective equipment

• Select task-specific PPE only after hazards and higher-order controls have been evaluated.

Regional considerations

• Applicable law, permits, collective agreements, venue rules, and qualified-person decisions take precedence.

In practice

Include it with free fall, worker height, harness stretch, system elongation, safety margin, and lower obstructions.

Explore related entries

• Free-fall distance
• Fall-arrest anchorage