ISO DIS 19426-2

Description / Abstract: This document specifies the design loads and the design procedures to be adopted in the structural design of headframe structures and components for permanent and sinking operations. The headframe includes all structures and their foundations, that are required at the head of all vertical and decline mine shafts for purposes of supporting and installing winding and sinking ropes, conveyance guides, rope guides and rubbing ropes, equipment for loading and unloading conveyances, safety devices, as well as ancillary sinking and maintenance equipment and requirements. The headframe also includes the bank and sub-bank levels.

This document does not cover matters of operational safety for which the layout of the headframe is 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.