What is required for controlled ventilation in a working place?

To ensure effective controlled ventilation in a workplace, a specific minimum ventilation current is necessary to maintain air quality and safety standards. The requirement of a ventilation current of at least 0.3 m/s is based on established guidelines for achieving adequate air movement to reduce the concentration of harmful airborne contaminants and to provide sufficient fresh air.

A current of at least 0.3 m/s is deemed sufficient to dissipate heat and airborne pollutants effectively, thus contributing to a healthier work environment. This standard helps minimize risks associated with inadequate ventilation, such as the accumulation of dust, fumes, or gases, which can be detrimental to worker health and safety.

While higher rates of air movement can further enhance ventilation effectiveness, the threshold of 0.3 m/s is recognized as the minimum necessary to maintain an acceptable level of indoor air quality in industrial and mining settings. Meeting this standard helps ensure compliance with occupational health and safety regulations aimed at protecting workers in potentially hazardous environments.