This part of ISO 4190 specifies the necessary dimensions to permit the installation of passenger lifts of class I, II, III and VI. The dimensions given reflect the requirements for the apparatus. This part of ISO 4190 is applicable to all new lift installations, irrespective of drive systems, including a car with one entrance, to be installed in a new building. However, for arrangements with counterweight at the side, a through-entrance configuration is possible. Where relevant, this part of ISO 4190 is also applicable to an installation in an existing building. This part of ISO 4190 is not applicable to lifts, the speed of which is higher than 6,0 m/s. NOTE It is the responsibility of the user to consult the manufacturer for such installations.