Singapore legislation
Regulation 63
of Workplace Safety and Health (Shipbuilding and Ship-Repairing) Regulations 2008
Regulation 63
Adequate ventilation
Subregulation 1
Where any heating, welding, cutting or any other work involving the application of heat is carried out in a shipyard or on board a ship in a harbour, it shall be the duty of the responsible person to comply with paragraphs (2), (3) and (4).
Subregulation 2
Where the heating, welding, cutting or other work involving the application of heat is to be carried out in a confined space, adequate ventilation shall be provided.
Subregulation 3
When the heating, welding, cutting or other work involving the application of heat is to be carried out on materials containing lead, cadmium, beryllium, copper or other toxic or harmful substances, effective local exhaust ventilation shall be provided to remove any toxic or harmful fumes or other air impurities at the source of emission.
Subregulation 4
Where the provision of ventilation under paragraphs (2) and (3) is not practicable, breathing apparatus of the type where fresh air is being constantly supplied by an air-line or other equally suitable breathing apparatus shall be provided to the person carrying out the work.