Singapore legislation
Regulation 117
of Workplace Safety and Health (Construction) Regulations 2007
Regulation 117
Smoking, open lights, etc.
Subregulation 1
Smoking, open lights and flame or spark producing devices shall be prohibited in or around the explosive magazine or storage enclosure in a worksite.
Subregulation 2
Appropriate warning signs of the prohibitions, understood by persons involved in the work in the worksite relating to the handling or use of explosives, shall be posted and maintained at every place where the explosives are kept or stored.