ISO DIS 19426-4

Description / Abstract: This document defines the loads and load combinations to be adopted and specifies the design procedures to be used for the design of the steel and aluminium alloy structural members of conveyances used for the transport of men, materials, equipment and rock in vertical and decline shafts. The conveyances covered by this document include personnel or material cages (or both), skips, kibbles, equipping skeleton cages, inspection cages, bridles, crossheads and counterweights.

This document is not intended to be used for the design of ropes, sheaves or attachments. The design of ropes, i.e. sizes, is covered in the relevant national legislation.

This document does not cover chairlifts.

This document does not cover matters of operational safety which are required to comply with the provisions of the regulations of the relevant jurisdiction. Where specific country requirements exist which relate to and interact with the requirements of this document, or which are supplementary to this document, it is expected that the user will take these into account when using this document.

This standard adopts a limit states design philosophy.

NOTE 1: Exceptions to the provisions of this document are permitted only if the required safety margins are proved by acceptable analytical or experimental procedures.