scope:

This standard applies to all London Underground track including running lines depot track and sidings and to the vehicles that are approved to operate on this track

It applies to all platforms and to all structures and equipment both permanent and temporary which form the immediate boundary with the space provided for the passage of the rail vehicles using the Track.

It includes requirements for clearances between vehicles and structures, between vehicles on adjacent tracks and the dimensions required for places of safety

It includes requirements for approval of clearances prior to the commencement of works, checking of clearances following work and the routine inspection and maintenance of clearances.

Compliance with all of the supporting information in Section 5 of this standard is mandatory.

This issue of the standard replaces 1-156 A5. Purpose The purpose of this standard is to define the required clearances and limiting dimensions of infrastructure and trains.

Purpose

The purpose of this standard is to define the required clearances and limiting dimensions of infrastructure and trains.