Singapore legislation
Regulation 64
of Workplace Safety and Health (Shipbuilding and Ship-Repairing) Regulations 2008
Regulation 64
Metallic fumes
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
All welding, cutting or other works involving the application of heat shall, so far as is reasonably practicable, be carried out in open air or in areas with good ventilation.
Subregulation 3
Where any work referred to in paragraph (2) cannot be carried out in an area with good ventilation, 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 local exhaust ventilation is not practicable under paragraph (3) —
forced ventilation shall be used to dilute any toxic or harmful fumes or other air impurities; and (b)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 and used by the person carrying out the work.