|
[接上页] (a) of adequate length and strength and properly installed and supported; (b) firmly anchored at the inner ends; and (c) securely fastened to any ballast or counterweights. (Enacted 1994) Cap 59AC s 6 Suspension The owner of a suspended working platform shall ensure that it is not used for carrying persons unless- (a) the points of suspension are at adequate horizontal distances from the face of the building or other structure so as to prevent the suspended working platform from coming into contact with such face; (b) wire ropes or chains are used for the raising, lowering and suspension of the platform; (c) the wire ropes or chains are securely attached to the outriggers or other supports; (d) the wire ropes or chains are of such length that the platform is capable of being lowered to the ground or a safe landing place; and (e) adequate arrangements are made to prevent undue tipping, tilting or swinging of the platform and to secure it to prevent undue horizontal movement while it is being used. (Enacted 1994) Cap 59AC s 7 Counterbalance and counterweights The owner of a suspended working platform which is counterbalanced by counterweights shall ensure that- (a) water or other liquids, earth, clay, sand, chippings or aggregates are not used as counterweights; (b) every portable counterweight has its weight permanently and distinctly stamped, engraved or embossed thereon; (c) all counterweights are securely attached at the inner end of the outriggers to prevent tampering by any person; and (d) the counterweights on any outriggers are not less than 3 times the weight necessary to balance the load on the projecting part of the outriggers when the platform is fully loaded. (Enacted 1994) Cap 59AC s 8 Platforms The owner of a suspended working platform shall ensure that it is not used for carrying persons unless the platform is- (a) at least 440 millimetres wide and of sufficient length to allow the number of persons using it to do so safely; (b) except to the extent necessary for drainage, either closely boarded, planked or plated; (c) provided on all sides with toe boards placed at a height not less than 200 millimetres above its floor level; and (d) provided on all sides with guard-rails of adequate strength, which guard-rails shall be so positioned that the top guard-rail is at a height between 900 millimetres and 1150 millimetres above the floor level and the lowest guard-rail is not more than 700 millimetres above the top of the toe board. (Enacted 1994) Cap 59AC s 9 Safe means of access The owner of a suspended working platform shall ensure that it is not used for carrying persons unless sufficient safe means of- (a) access and egress is provided to the platform of the suspended working platform; and (b) access is provided to those parts of the installation of the suspended working platform requiring periodic inspection or maintenance. (Enacted 1994) Cap 59AC s 10 Drums and pulleys The owner of a suspended working platform that has a drum or pulley on which a rope is carried shall ensure that the suspended working platform is not used for carrying persons- (a) unless the drum or pulley is designed and of sufficient diameter for the rope used; and (b) unless, where the rope terminates at the winding drum of the suspended working platform- (i) the rope is properly secured to the drum; and (ii) the rope is long enough so that, at all times, at least 2 turns of the rope will remain on the drum. (Enacted 1994) Cap 59AC s 11 Brakes The owner of a suspended working platform shall ensure that it is not used for carrying persons unless the winches, climbers or other lifting appliances or similar devices of the suspended working platform are, in the case of- (a) manually operated appliances or devices, provided with an efficient brake which comes into operation when the operating handle or lever is released; and (b) power operated appliances or devices, provided with 2 independent, efficient braking systems, each of which is capable of preventing the suspended working platform from falling out of control or in a dangerous manner. (Enacted 1994) Cap 59AC s 12 Control levers, switches, etc. The owner of a suspended working platform shall ensure that it is not used for carrying persons unless- (a) every lever, handle, switch or other device used for controlling its operation (being a lever, handle, switch or other device the accidental movement or displacement of which is liable to cause danger) is, unless it is so placed as to prevent accidental movement or displacement, provided with a suitable spring or other locking arrangement to prevent accidental movement or displacement; and (b) every lever, handle, switch or other device for controlling its operation has either on or adjacent to it clear markings to indicate its purpose and mode of operation. (Enacted 1994) Cap 59AC s 13 Protection of climbers against the effect of weather, etc. The owner of a suspended working platform shall ensure that it is not used for carrying persons unless the winches, climbers or other lifting appliances or similar devices of the platform are adequately protected against the effect of weather, dust or material likely to cause damage to them that could result in a malfunction. |