This document specifies the necessary dimensions to permit the installation of passenger lifts of class I, II, III and VI. These dimensions reflect the requirements for the apparatus. This document 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 document is also applicable to an installation in an existing building. This document is not applicable to lifts of rated speed greater than 6,0 m/s. NOTE It is the responsibility of the user to consult the manufacturer for such installations.