It contains both general and specific requirements for the design of accessible transport and outdoor facilities. It also gives guidance for the design of accessible outdoor facilities that are not open to the public. The requirements of the standard apply wherever buildings and other structures are required to be accessible by legislation or owing to private contracts. The standard applies to new buildings and, by extension, to converted or refurbished buildings, to changes in occupancy and to redesigning existing areas in streets and other public areas. The requirements of this standard may also be met by means other than those specified therein. Additional or other requirements may be necessary for construction projects for specific groups of users. Unless otherwise specified, the dimensions in the standard are all finished dimensions. They are subject to DIN standards for tolerances in construction and other relevant fields.