73. Demolition of walls, partitions, etc.

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.

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.

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.

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.

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.

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.

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.

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.