Singapore legislation
Regulation 73
of Workplace Safety and Health (Construction) Regulations 2007
Regulation 73
Demolition of walls, partitions, etc.
Subregulation 1
Demolition of walls and partitions in a worksite shall proceed in a systematic manner and all work above each tier of floor beams shall be completed before the safety of its supports is impaired.
Subregulation 2
Masonry shall neither be loosened nor permitted to fall in a worksite in such masses as to endanger the structural stability of any floor or structural support.
Subregulation 3
No wall, chimney or other structure or part of a structure which is being demolished in a worksite shall be left in such a condition that it may —
fall or collapse inadvertently; or
be weakened due to wind pressure, vibration or other causes.
Subregulation 4
Where any demolition work in a worksite is carried out with the use of hand-tools —
safe footing in the form of sound flooring or scaffolds shall be provided for persons working on an exterior wall; and
walls or partitions shall not be left standing more than one storey above the uppermost floor on which persons are working.