Singapore legislation
Regulation 20
of Workplace Safety and Health (Construction) Regulations 2007
Regulation 20
Structures and supports
Subregulation 1
It shall be the duty of the occupier of a worksite with a supporting structure to take, so far as is reasonably practicable, such measures as are necessary to ensure that the supporting structure complies with paragraphs (2) and (3) and to obtain an endorsement in respect of the supporting structure under paragraph (4).
Subregulation 2
Every supporting structure in a worksite, including its foundation, shall be —
of sound design, good construction in accordance with the design, and of adequate strength for its intended purpose; and
properly maintained and checked periodically for excessive corrosion, erosion, physical deterioration or alteration so that its stability is not affected and that it is suitable and adequate to perform the function for which it is intended.
Subregulation 3
Every partially constructed or fully constructed supporting structure in a worksite, including its foundation, shall be able to safely withstand any foreseeable load likely to be imposed on it during the construction or dismantling of the structure which the supporting structure supports.
Subregulation 4
Where a supporting structure in a worksite or its foundation will eventually form an integral part of the permanent structure designed by a professional engineer, it shall be the duty of the professional engineer who designed the permanent structure —
to take, so far as is reasonably practicable, such measures as are necessary to ensure that the design of the supporting structure or its foundation is safe for its intended use; and
to endorse the design of the supporting structure or its foundation as safe for its intended use.