Singapore legislation
Regulation 7
of Workplace Safety and Health (Abrasive Blasting) Regulations 2008
Regulation 7
Construction of blasting chamber
Subregulation 1
It shall be the duty of the occupier of a workplace in which blasting is carried out within a blasting chamber to ensure that the requirements of paragraphs (2), (3) and (4) are complied with.
Subregulation 2
Every blasting chamber shall be —
of sound construction;
so situated or constructed as to prevent, so far as is reasonably practicable, dust escaping from it;
provided with suitable and adequate means of access which shall at all times be kept free from obstruction; and
provided with inspection ports placed at suitable locations.
Subregulation 3
The interior of every blasting chamber shall, so far as is practicable, be free from projections on which dust might settle.
Subregulation 4
The illumination of every blasting chamber shall not be less than 200 lux over all parts of the chamber measured in a horizontal plane at one metre above the floor.