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