ČSN EN 81-80

This document gives a methodology for improving the safety of existing lifts with the aim of reaching an equivalent level of safety to that of a newly installed lift by the application of today's state-of-the-art for safety.
NOTE - Due to situations such as the building design, etc. it may not be possible in all cases to reach today's state-of-the-art for safety.
This document applies to permanently installed passenger or goods passenger lifts, with traction, positive or hydraulic drive serving defined landing levels, having a car designed for the transportation of persons or persons and goods and moving along guide rails inclined not more than 15° to the vertical.
This document includes the improvement of safety of existing lifts for:
a) passengers;
b) maintenance and inspection personnel;
c) persons outside the well, machinery space(s) and the pulley room(s) (but in their immediate vicinity);
d) any other authorized persons.
This document is not applicable to:
e) lifts with drive systems others than those mentioned above;
f) lifting appliances such as paternosters, mine lifts, theatre lifts, appliances with automatic caging, skips, lifts and hoists for building and public works sites, ships' hoists, platforms for exploration or drilling at sea, construction and maintenance appliances;
g) installations where the inclination of the guide rails to the vertical exceeds 15°;
h) lifting appliances with a rated speed lower than or equal to 0,15 m/s;
i) safety during transport, installation, repairs and dismantling of lifts.
However, this document can usefully be taken as a reference basis.