r. 1.1.5 means a boom-type elevating work platform telescoping device, hinged device, or articulated device or combination of those devices used to support, elevate and position personnel, equipment or materials by means of a platform, but does not include an industrial lift truck; means a hemisphere of breathing zone 300 millimetres radius extending in front of a person's face measured from the mid-point of an imaginary straight line joining the ears; means a crane that— bridge crane (a) consists of a bridge beam or beams, that are mounted to end carriages at each end; and (b) is capable of travelling along elevated runways; and (c) has one or more hoisting mechanisms; means a building maintenance equipment suspended platform, including a building maintenance unit or a swing stage, that incorporates permanently installed overhead supports to provide access to the faces of a building for maintenance, but does not include a suspended scaffold; means a power building maintenance unit operated appliance with a suspended platform, permanently installed or intended to be permanently installed on a building and specifically designed to provide access to the faces of the building for a person working from the platform; means a measure using a filter C-weighted designed to reflect the response of the human ear at high sound pressure levels;
boom-type elevating work platform means a telescoping device, hinged device, or articulated device or combination of those devices used to support, elevate and position personnel, equipment or materials by means of a platform, but does not include an industrial lift truck; breathing zone means a hemisphere of 300 millimetres radius extending in front of a person's face measured from the mid-point of an imaginary straight line joining the ears; bridge crane means a crane that— (a) consists of a bridge beam or beams, that are mounted to end carriages at each end; and (b) is capable of travelling along elevated runways; and (c) has one or more hoisting mechanisms; r. 1.1.5 building maintenance equipment means a suspended platform, including a building maintenance unit or a swing stage, that incorporates permanently installed overhead supports to provide access to the faces of a building for maintenance, but does not include a suspended scaffold; building maintenance unit means a power operated appliance with a suspended platform, permanently installed or intended to be permanently installed on a building and specifically designed to provide access to the faces of the building for a person working from the platform; C-weighted means a measure using a filter designed to reflect the response of the human ear at high sound pressure levels;
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