Lifts for the transport of persons and goods — Part 2: Design rules, calculations, verifications and tests of lift components

This document specifies for passenger lifts and goods passenger lifts:

• the verification of door locking devices;
• the verification of safety gears;
• the verification of overspeed governors;
• the verification of buffers;
• the verification of safety circuits and SIL-rated circuits;
• the verification of ascending car overspeed protection means;
• the verification of unintended car movement protection means;
• the verification of rupture valves and one-way restrictors;
• the verification of suspension and compensation means;
• the discard criteria for suspension means and sheaves;
• the calculation of guide rails;
• the calculation of rams, cylinders, rigid pipes and fittings;
• the evaluation of the traction;
• the evaluation of the safety factor on suspension means;
• the pendulum shock tests;
• the fault exclusion for electric and electronic components;
• the design rules for SIL-rated circuits.

This document is not applicable to passenger lifts, goods passenger lifts or lift components, which are installed or manufactured before the date of its publication.