This document:
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lists the formulae and the associated rules needed to calculate the infrastructure gauge;
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lists the various phenomena to be taken into account to determine the infrastructure gauge;
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defines a methodology that may be used to calculate the various profiles from these phenomena;
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lists the rules to determine the distance between the track centres;
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lists the rules to be complied with when building the platforms;
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lists the rules to determine the pantograph gauge;
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provides recommendations for the various profiles needed to install, verify and maintain infrastructure;
and is applicable for various track gauges.
This document is applicable to heavy rail networks using various track gauges. Other vehicles and networks are outside the scope of this document, but the rules may be applied to them with some adjustments and agreement of the share of responsibility between rolling stock and infrastructure.
This document is not applicable to the gauges “S” and “T” for track gauge 1 520 mm.
