Safety checklist — Hot weather work
Prevention of heat stroke on site. Compliant with Québec's Construction Safety Code (CSTC) and CNESST standards.
Before the workday
11 items- ✓
Humidex / corrected temperature checked (CNESST tool)
- ✓
Fresh drinking water in sufficient quantity on site
- ✓
Shade area or shelter available for breaks
- ✓
Strenuous tasks scheduled for cooler hours (early morning)
- ✓
Team informed of heat stroke symptoms
- ✓
First aid kit accessible
- ✓
Drink 250 ml water every 20 min (max 1.5 L/h)
ℹ️ At 41.7°C+: drink 250 ml every 10 min (max 1.5 L/h)
- ✓
Shade breaks per CNESST work-rest schedule
- ✓
Buddy system — mutual monitoring between colleagues
- ✓
Light, pale, breathable clothing under PPE
- ✓
Watch for signs: cramps, dizziness, unusual fatigue
End of heat period
3 items- ✓
Any discomfort reported and documented
- ✓
If confusion, loss of balance or consciousness: call 911
- ✓
Affected person moved to shade and cooled while awaiting help
More checklists — Cross-cutting Situations
Road work / Signage
Roadside work and construction site signage
15 checks
Cold weather work
Prevention of frostbite and hypothermia on site
15 checks
Asbestos / Decontamination
Asbestos removal and decontamination work
19 checks
Work at height
Fall protection, harness and lifeline
17 checks
Confined space
Entry and work in confined spaces
18 checks
Manual handling
Lifting and carrying loads by hand
13 checks