Welding carries with it a number of potential hazards. Even for the most experienced welders, the risk factor is intensified when this work is carried out in a confined space. It is essential that detailed risk assessments are carried out, and clear, safe, working practices are implemented.
By definition, a confined space is one where access and manoeuvrability is restricted, this in turn can result in restricted ventilation, resulting in a possible build-up of toxic gases, or a reduction in oxygen. To prevent serious injury, it is vital that Welders working under these conditions are adequately supervised; equipped with any necessary (additional) protective and monitoring equipment; and fully trained.