Safety checklist — Overhead power lines

Approach distances and work near high-voltage lines. Compliant with Québec's Construction Safety Code (CSTC) and CNESST standards.

11 items

✓
Overhead lines identified on site — voltage determined (HQ or utility)Critical
ℹ️ Contact with a line = instant fatal electrocution
✓
Minimum approach distance determined per voltageCritical
ℹ️ < 125 kV = 3 m, 125–250 kV = 5 m, 250–550 kV = 8 m (CSTC art. 5.2)
✓
De-energization or protection request submitted to Hydro-Québec if needed
✓
Signal person designated if equipment or loads near lines
✓
Visual markers (flags, tape) installed to mark danger zone
✓
Work plan approved — equipment routes planned to avoid lines
✓
Approach distance respected AT ALL TIMES — includes tools and materialsCritical
ℹ️ Arc flash can occur BEFORE physical contact — respect distance
✓
Crane and elevated equipment: boom + load + sling within clearance zone
✓
Scaffold and ladder: top end at safe distance from line
✓
If accidental contact: stay in cab, do not exit
ℹ️ Exiting = creating a ground fault path — electrocution risk
✓
If evacuation needed: jump clear with feet together, away from machine, without touching both

3 items

✓
Markers and signage removed if work completed
✓
Hydro-Québec confirmation if de-energization was in place — re-energization authorized
✓
Incidents or near-contacts reported mandatorily

+ 3 more checks

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