Pset_LateralExcavationCommon Common properties for lateral excavation elements. IfcRadialExcavation IfcRadialExcavation RadialExcavationType Type of radial excavation. PROFILEENLARGEMENT REPROFILING NICHE OTHER PROFILEENLARGEMENT REPROFILING NICHE OTHER RadialExcavationTypeOther A user defined type of radial excavation when RadialExcavationType = OTHER. RadialExcavationDirection Direction of radial excavation relative to the main tunnel drive. LATERAL VERTICAL RADIAL LATERAL VERTICAL RADIAL RadialExcavationDepth Depth of radial excavation.