Safety

Fatigue and long shifts in construction

By Scavi Company · · 3 min read
Fatigue and long shifts in construction

Schedule pressure pushes long hours, and fatigue raises accident risk. Here is how to manage it.

Why fatigue matters

Schedule pressure leads to long days, weekend work and night shifts. Tired workers react slower and make more mistakes. Fatigue-related errors show up as injuries, rework and damaged equipment.

Watch the hours

Track consecutive days and weekly hours. Set limits for extended periods of overtime.

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Night work

Night shifts disrupt sleep. Rotate carefully and provide good lighting and breaks.

Travel time

Long commutes add to fatigue. Consider them when scheduling early starts.

Warning signs

Yawning, slow responses, mistakes and irritability. Train supervisors to notice.

Real breaks

Short breaks with water and shade or warmth restore attention.

Task rotation

Rotate repetitive or high-concentration tasks when possible.

Critical tasks first

Schedule the riskiest work when crews are freshest.

Speak up culture

Workers should feel safe saying they are too tired for a task.

Toolbox talk

"We're on our sixth day. If you're too tired for a lift or a ladder task, tell me and we'll switch tasks."

Common mistakes

Long overtime for weeks, ignoring commute time and scheduling risky tasks at the end of a long shift.

Where to start

Review the last month of hours by worker and set a simple overtime limit for your next accelerated schedule.

Plan the schedule honestly

Many fatigue problems start with an unrealistic schedule. When the bid assumes constant overtime, the crew pays the price. Build recovery days into accelerated schedules and discuss the risk with the owner.

Run tighter jobs and win the right ones.

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Frequently asked questions

Why is fatigue a safety risk in construction?

Fatigue slows reaction time and judgment, increasing the risk of falls, equipment incidents and errors, especially during long shifts, night work and after many consecutive days.