Tower scaffolds
51.—(1) Responsible person to ensure that the requirements of paragraphs (2) to (5) are complied with.
(2) The height of a tower scaffold erected or installed on board a ship in a shipyard shall not exceed 4 times the lesser of the base dimensions of the scaffold.
(3) The height of a tower scaffold in a workplace, other than a tower scaffold referred to in paragraph (2), shall not exceed 8 times the lesser of the base dimensions of the scaffold.
(4) Where the height of a tower scaffold in a workplace, excluding the handrails and their supports at the uppermost lift of the scaffold, exceeds 3 times the lesser of the base dimensions of the scaffold, the scaffold shall be effectively tied to the building or a rigid structure so as to prevent toppling.
(5) Any tower scaffold which can be moved on casters shall —
(a) be constructed with due regard to its stability and, if necessary, adequately weighted at the base;
(b) be used only on a firm and even surface; and
(c) be provided with a positive locking device on each caster to hold the scaffold in position.
(6) Duty of employer / principal to ensure that no more than 2 work platforms shall be used on a tower scaffold in the workplace at any one time.
(7) Duty of employer / principal to ensure that —
(i) no tower scaffold is moved except by applying force at or near the base;
(ii) the casters are locked to hold the tower scaffold in position while the person is on the tower scaffold; and
(iii) no person remains on the tower scaffold when it is being moved.
Scaffolds and work platforms erected on cantilever or jib supports
52.—(1) Responsible person to ensure that the requirements of paragraphs (2) to (4) are complied with.
(2) A scaffold in a workplace that is erected on cantilever or jib supports shall be adequately supported, fixed and anchored on the supports to prevent displacement.
(3) The cantilever or jib supports used to support the scaffold shall —
(a) have outriggers of adequate length and cross section; and
(b) be constructed in accordance with the design and drawings of a professional engineer.
(4) Where a work platform in a workplace rests on bearers that let into a wall at one end and it does not have other support, the bearers shall —
(a) pass through the wall;
(b) be of adequate strength; and
(c) be securely fastened on the other side of the wall.
(5) For the purposes of this regulation and regulation 53, ‘‘cantilever or jib support’’ includes any structure, including a bracket or beam, that projects beyond a fulcrum or point of attachment and that is not supported directly from the ground or floor below.
Design of cantilever or jib supports by professional engineer
53.—(1) A professional engineer who designs a cantilever or jib support to —
(a) take such measures to ensure that his design can be executed safely by any person
who constructs or uses the cantilever or jib support according to his design; and
(b) provide to any person who constructs or is to construct the cantilever or jib support, all design documentation (including all relevant calculations, drawings and construction
procedures) as is necessary to facilitate the proper construction of the cantilever or jib support according to his design.
(2) Occupier of a workplace in which a scaffold is erected on cantilever or jib supports to ensure that the scaffold is not used unless —
(a) the scaffold (including the cantilever or jib support) has been examined by the professional engineer after its erection or installation, and a certificate stating that the scaffold is safe
for use has been obtained from the professional engineer;
(b) the design and drawings certified by the professional engineer and the certificate referred to in sub-paragraph (a) are kept available at the workplace for inspection by an inspector; and
(c) the scaffold has been inspected by a professional engineer at least once every 3 months to ensure that it is safe for use.
(3) The professional engineer to immediately inform the occupier when he discovers any defect in a scaffold in the course of his examination or inspection.
(4) Occupier of the workplace, upon being informed of any defect in a scaffold, to immediately take action to rectify the defect before the scaffold is used.
(5) Any person who contravenes paragraph (2)(b) shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $2,000.
Hanging scaffolds
54.—(1) The responsible person to ensure that the requirements of paragraphs (2) to (4) are complied with.
(2) A hanging scaffold in a workplace shall be —
(a) constructed before being hung into position on a building, ship or other structure;
(b) securely anchored to the hull or any other part of the building, ship or structure to prevent lateral movement or sway;
(c) constructed so that the work platform is in a horizontal plane; and
(d) provided with safe means of access to and egress from its platform by means of stairs or ladders.
(3) For the purposes of paragraph (2)(d), stairs or ladders —
(a) shall be placed in such a manner as to prevent any person from falling; and
(b) shall not rise to a vertical distance of more than 3m between landings.
(4) A hanging scaffold from which a person may fall more than 2m shall be constructed and installed in accordance with the design and drawings of a professional engineer.
(7) Any person who contravenes paragraph (6) shall be fined on conviction not exceeding $2,000.
Personal protective equipment for users of hanging scaffolds
55.—(1) Duty of employer / principal under whose direction any person uses or is to
use any hanging scaffold in a workplace, to provide to the person —
(i) a safety harness attached with a shock absorbing device; and
(ii) sufficient and secured anchorage by means of an independent life line or other equally effective means.
(2) Duty of the person who uses any hanging scaffold to use the safety harness attached with a shock absorbing device provided to him.
(3) Any person who contravenes paragraph (2) shall be liable on conviction to a fine not exceeding $1,000 and, in the case of a second or subsequent conviction, to a fine not exceeding $2,000.
Trestle scaffolds
56.—(1) Responsible person to ensure that the requirements of paragraphs (2), (5) and (6) are complied with.
(2) Subject to paragraph (3), no trestle scaffold in a workplace shall —
(a) be constructed with more than 3 tiers; or
(b) have a work platform more than 4.5m above the ground or floor or other surfaces upon which the scaffold is erected.
(3) Paragraph (2) shall not apply to a trestle scaffold constructed in accordance with the design and drawings of a professional engineer.
(5) No trestle scaffold shall be erected on a scaffold platform unless —
(a) the width of the platform is such as to leave sufficient clear
space for the transport of materials; and
(b) the trestles or uprights are firmly attached to the platform
and adequately braced to prevent displacement.
(6) No trestle scaffold shall be erected on a suspended scaffold.
(7) Occupier of a workplace in which a trestle scaffold is constructed or erected to ensure that no trestle scaffold referred to in paragraph (3) is used unless the design and drawings certified by the professional engineer are kept available at the workplace for inspection by an inspector.
(8) Any person who contravenes paragraph (7) shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $2,000.
51.—(1) Responsible person to ensure that the requirements of paragraphs (2) to (5) are complied with.
(2) The height of a tower scaffold erected or installed on board a ship in a shipyard shall not exceed 4 times the lesser of the base dimensions of the scaffold.
(3) The height of a tower scaffold in a workplace, other than a tower scaffold referred to in paragraph (2), shall not exceed 8 times the lesser of the base dimensions of the scaffold.
(4) Where the height of a tower scaffold in a workplace, excluding the handrails and their supports at the uppermost lift of the scaffold, exceeds 3 times the lesser of the base dimensions of the scaffold, the scaffold shall be effectively tied to the building or a rigid structure so as to prevent toppling.
(5) Any tower scaffold which can be moved on casters shall —
(a) be constructed with due regard to its stability and, if necessary, adequately weighted at the base;
(b) be used only on a firm and even surface; and
(c) be provided with a positive locking device on each caster to hold the scaffold in position.
(6) Duty of employer / principal to ensure that no more than 2 work platforms shall be used on a tower scaffold in the workplace at any one time.
(7) Duty of employer / principal to ensure that —
(i) no tower scaffold is moved except by applying force at or near the base;
(ii) the casters are locked to hold the tower scaffold in position while the person is on the tower scaffold; and
(iii) no person remains on the tower scaffold when it is being moved.
Scaffolds and work platforms erected on cantilever or jib supports
52.—(1) Responsible person to ensure that the requirements of paragraphs (2) to (4) are complied with.
(2) A scaffold in a workplace that is erected on cantilever or jib supports shall be adequately supported, fixed and anchored on the supports to prevent displacement.
(3) The cantilever or jib supports used to support the scaffold shall —
(a) have outriggers of adequate length and cross section; and
(b) be constructed in accordance with the design and drawings of a professional engineer.
(4) Where a work platform in a workplace rests on bearers that let into a wall at one end and it does not have other support, the bearers shall —
(a) pass through the wall;
(b) be of adequate strength; and
(c) be securely fastened on the other side of the wall.
(5) For the purposes of this regulation and regulation 53, ‘‘cantilever or jib support’’ includes any structure, including a bracket or beam, that projects beyond a fulcrum or point of attachment and that is not supported directly from the ground or floor below.
Design of cantilever or jib supports by professional engineer
53.—(1) A professional engineer who designs a cantilever or jib support to —
(a) take such measures to ensure that his design can be executed safely by any person
who constructs or uses the cantilever or jib support according to his design; and
(b) provide to any person who constructs or is to construct the cantilever or jib support, all design documentation (including all relevant calculations, drawings and construction
procedures) as is necessary to facilitate the proper construction of the cantilever or jib support according to his design.
(2) Occupier of a workplace in which a scaffold is erected on cantilever or jib supports to ensure that the scaffold is not used unless —
(a) the scaffold (including the cantilever or jib support) has been examined by the professional engineer after its erection or installation, and a certificate stating that the scaffold is safe
for use has been obtained from the professional engineer;
(b) the design and drawings certified by the professional engineer and the certificate referred to in sub-paragraph (a) are kept available at the workplace for inspection by an inspector; and
(c) the scaffold has been inspected by a professional engineer at least once every 3 months to ensure that it is safe for use.
(3) The professional engineer to immediately inform the occupier when he discovers any defect in a scaffold in the course of his examination or inspection.
(4) Occupier of the workplace, upon being informed of any defect in a scaffold, to immediately take action to rectify the defect before the scaffold is used.
(5) Any person who contravenes paragraph (2)(b) shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $2,000.
Hanging scaffolds
54.—(1) The responsible person to ensure that the requirements of paragraphs (2) to (4) are complied with.
(2) A hanging scaffold in a workplace shall be —
(a) constructed before being hung into position on a building, ship or other structure;
(b) securely anchored to the hull or any other part of the building, ship or structure to prevent lateral movement or sway;
(c) constructed so that the work platform is in a horizontal plane; and
(d) provided with safe means of access to and egress from its platform by means of stairs or ladders.
(3) For the purposes of paragraph (2)(d), stairs or ladders —
(a) shall be placed in such a manner as to prevent any person from falling; and
(b) shall not rise to a vertical distance of more than 3m between landings.
(4) A hanging scaffold from which a person may fall more than 2m shall be constructed and installed in accordance with the design and drawings of a professional engineer.
(7) Any person who contravenes paragraph (6) shall be fined on conviction not exceeding $2,000.
Personal protective equipment for users of hanging scaffolds
55.—(1) Duty of employer / principal under whose direction any person uses or is to
use any hanging scaffold in a workplace, to provide to the person —
(i) a safety harness attached with a shock absorbing device; and
(ii) sufficient and secured anchorage by means of an independent life line or other equally effective means.
(2) Duty of the person who uses any hanging scaffold to use the safety harness attached with a shock absorbing device provided to him.
(3) Any person who contravenes paragraph (2) shall be liable on conviction to a fine not exceeding $1,000 and, in the case of a second or subsequent conviction, to a fine not exceeding $2,000.
Trestle scaffolds
56.—(1) Responsible person to ensure that the requirements of paragraphs (2), (5) and (6) are complied with.
(2) Subject to paragraph (3), no trestle scaffold in a workplace shall —
(a) be constructed with more than 3 tiers; or
(b) have a work platform more than 4.5m above the ground or floor or other surfaces upon which the scaffold is erected.
(3) Paragraph (2) shall not apply to a trestle scaffold constructed in accordance with the design and drawings of a professional engineer.
(5) No trestle scaffold shall be erected on a scaffold platform unless —
(a) the width of the platform is such as to leave sufficient clear
space for the transport of materials; and
(b) the trestles or uprights are firmly attached to the platform
and adequately braced to prevent displacement.
(6) No trestle scaffold shall be erected on a suspended scaffold.
(7) Occupier of a workplace in which a trestle scaffold is constructed or erected to ensure that no trestle scaffold referred to in paragraph (3) is used unless the design and drawings certified by the professional engineer are kept available at the workplace for inspection by an inspector.
(8) Any person who contravenes paragraph (7) shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $2,000.
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