IFC 4.3.0.1 (IFC4X3) development

7.8.4.117 Pset_RailwaySignalSighting

7.8.4.117.1 Semantic definition

Properties that define information about signal sighting or visibility in railways. These properties are applicable to occurrences of IfcSignal and IfcSign.

7.8.4.117.2 Applicable entities

7.8.4.117.3 Properties

Name Property Type Data Type Description
SignalSightingAchievableDistance IfcPropertySingleValue IfcPositiveLengthMeasure

Reading distance of the signal, which is achievable with the help of mitigation works.

SignalSightingAvailableDistance IfcPropertySingleValue IfcPositiveLengthMeasure

Reading distance of the signal without having any mitigation works.

SignalSightingCombinedWithRepeater IfcPropertySingleValue IfcPositiveLengthMeasure

Combined reading distance for the signal and any associated repeaters.

SignalSightingMinimum IfcPropertySingleValue IfcPositiveLengthMeasure

Minimal distance in which the signal has to be readable.

SignalSightingPreferred IfcPropertySingleValue IfcPositiveLengthMeasure

Preferred distance in which the signal shall be readable.

SignalSightingRouteIndicator IfcPropertySingleValue IfcPositiveLengthMeasure

Required reading distance for the route indicator.

SignalViewingMinimumInFront IfcPropertySingleValue IfcPositiveLengthMeasure

Smallest distance where the signal has to be readable (for train very close to the signal).

Table 7.8.4.117.A

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7.8.4.117.4 Changelog

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