Facilities and staff · OSH Code
Ventilation, heat and hazards: building work
- All the time
- Employer
What to do
Take preventive measures against chemical, physical or biological hazards dangerous to health, and keep adequate ventilation at all workplaces of the site to clear away smoke, fumes, steam and dust, provide enough oxygen and prevent harmful rises in temperature or humidity rule 31.
Who it applies to
Every employer of a building or other construction work rule 31.
When
All the time rule 31.
How
Replace hazardous substances with less hazardous ones where possible, or apply technical measures; otherwise provide personal protective equipment and clothing free of charge rule 31(ii).
Guard against danger where employees enter areas with toxic substances, oxygen deficiency or a flammable atmosphere rule 31(iii).
Against heat stress, cold or wet conditions, design the workload and workstation, train employees to detect early signs of disorders, supply protective equipment, carry out routine medical surveillance and provide drinking water and electrolytes rule 31(iv).
Provide a work-rest cycle, preferably in a shaded, cooler resting space, where other ways of removing the heat risk are impracticable rule 31(vii).
In tunnelling, design ventilation to remove pollutants and keep a suitable climate, and keep instruments on site for oxygen, flammable gases, temperature, dust and toxic gas rule 31(ix).