Various ventilation equipment may be selected for the workplaces according to the ventilation requirements. For example;
Fume extraction system to extract fume from welding torch, welding mask or head mask,
Portable fume extraction systems,
Fume extraction shafts that can be approached to or mounted on the workpiece or workplace
According to Article 29 of UVV 26.0, areas with an air volume less than 100 m3 or a height, width and length less than 2 meter and not having a natural air flow can be referred to as “Confined Areas”.
Confined areas include windowless basements, passages, pipelines, wells, tanks, boilers, containers and the cells and tank sections in ship building. In order to prevent formation of toxic substances, accumulation of flammable gases and reduction of oxygen while welding in confined areas, the fume extraction systems and artificial ventilation methods should be employed.
Appropriate respiration equipment should be used at places where fume extraction or mechanical ventilation cannot be provided. A particular attention should be paid to ventilation while performing oxy-gas welding, flame cutting and heating works that may cause the formation nitric-oxide exceeding the acceptable limit values at confined areas.