scope:

This Part of EN 12312 deals with the technical requirements to minimise the hazards listed in clause 4 which can arise during the commissioning, the operation and the maintenance of passenger stairs when carried out in accordance with the specifications given by the manufacturer or his authorised representative. It also takes into account some requirements recognized as essential by the health and safety authorities, aircraft and vehicle manufacturers as well as airlines and handling agencies. This standard applies to: - self-propelled stairs with seated driver (see annex A); - pedestrian controlled stairs; - towable stairs equipped with powered means, e.g. for height adjustment, stabilizers (see annex A); - automatic levelling systems of stairs; for embarking/disembarking of passengers. This part of EN 12312 is intended to be used in conjunction with EN 1915-1, EN 1915-2, EN 1915-3 (for vehicles) and EN 1915-4. Noise is dealt with in EN 1915-4.