Pset_SpringTensioner Properties of spring tensioner used in railway. The property set can be used by the predefined type TENSIONINGEQUIPMENT of IfcDiscreteAccessory. IfcDiscreteAccessory/TENSIONINGEQUIPMENT IfcDiscreteAccessory/TENSIONINGEQUIPMENT TensileStrength Indicates the ability to withstand breakage apart under applied force. NominalWeight Nominal weight of the object. TensioningWorkingRange The working range of the tensioning equipment under normal operation.