7.8.4.116 Pset_RailwaySignalOccurrence
7.8.4.116.1 Semantic definition
Properties common to the definition of occurrences of IfcSignal applied in railways.
7.8.4.116.2 Applicable entities
7.8.4.116.3 Properties
| Name | Property Type | Data Type | Description | |
|---|---|---|---|---|
| ApproachSpeed | IfcPropertySingleValue | IfcLinearVelocityMeasure |
The design speed of trains approaching the signal if different from the line speed. |
|
| HandSignallingProhibited | IfcPropertySingleValue | IfcBoolean |
Indicates if hand signalling is prohibited in case of any failure. |
|
| LimitedClearances | IfcPropertySingleValue | IfcText |
Special conditions for placing the signal post telephone: tunnels, bridges, viaducts. |
|
| NumberOfLampsNotUsed | IfcPropertySingleValue | IfcCountMeasure |
Number of lamps which are not needed and blanked out (sealed). |
|
| RequiresOLEMesh | IfcPropertySingleValue | IfcBoolean |
Indicates whether an OLE mesh is required to protect the signal or maintainer. |
|
| RequiresSafetyHandrail | IfcPropertySingleValue | IfcBoolean |
Indicates whether a safety handrail is required. |
|
| SignalPostTelephoneID | IfcPropertySingleValue | IfcIdentifier |
The identifier of the signal post telephone attached to the signal. |
|
| SignalPostTelephoneType | IfcPropertySingleValue | IfcLabel |
Indicates the type of the signal post telephone, e.g. locked, direct line, dial phone. |
|
| SpecialPositionArrangement | IfcPropertySingleValue | IfcLabel |
Type of special position at which the signal is placed. |
|
| HinderingObstaclesDescription | IfcPropertySingleValue | IfcText |
Description of obstacles that hinder the visibility for the staff in the station. |
|
| SignalWalkwayLength | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Indicates the length of the walkway from signal to signal post telephone. |
|
| RequiresBannerSignal | IfcPropertySingleValue | IfcBoolean |
Indicates whether a banner repeater signal is required. |
|
| DistanceToStopMark | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Distance from the signal to the nearest stop mark at a platform. |