| Anotace |
ČSN EN 81-42 1.1 This document specifies safety requirements for design, construction and manufacturing of permanently installed electrically powered vertical lifting appliances affixed to a building structure intended for use by persons, including persons with disability: - travelling vertically between predefined levels along a guided path whose inclination to the vertical does not exceed 15°; - supported or sustained by rack and pinion, rope traction drive, noncircular elastomeric-coated suspension means (hereafter called traction belts) traction drive, rope positive drive, chains, timing belts, screw and nut, guided chain or hydraulic jack (direct or indirect); - with enclosed wells; - with a rated speed not greater than 0,15 m/s; - with the carrier completely enclosed; - with a temperature in the well and in the machinery spaces between +5 °C and +40 °C. 1.2 This document does not specify additional requirements for: - lightning protection; - operation subject to ATEX rules; - lifting appliances whose primary function is the transportation of goods; - earthquakes, flooding; - firefighting and evacuation; - noise and vibrations; - the transport of type-C wheelchairs as defined in EN 12183:2022 and/or EN 12184:2022; - vertically sliding doors. 1.3 Components incorporated in a lifting appliance installation are: a) designed in accordance with usual engineering practice and calculation codes, taking into account all failure modes; b) of sound mechanical and electrical construction; c) free of defects. 1.4 This document is not applicable to lifting appliances manufactured before the date of its publication. |