scope:

This standard: ¾ defines the various profiles needed to install, verify and maintain the various structures near the structure gauge; ¾ lists the various phenomena to be taken into account to determine the structure gauge; ¾ defines a methodology that may be used to calculate the various profiles from these phenomena; ¾ lists the rules to determine the distance between the track centres; ¾ lists the rules to be complied with when building the platforms; ¾ lists the rules to determine the pantograph gauge; ¾ lists the formulae needed to calculate the structure gauges in the catalogue