ČSN EN 81-42 (274003)

Kategorie - ähnliche Normen:

Lifts. Escalators

Die Annotation des Normtextes ČSN EN 81-42 (274003):

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