Pset_EarthworksFillCommon Common properties for earthworks fill elements. IfcEarthworksFill IfcEarthworksFill SourceOfFill Source of fill. IMPORTED EXCAVATED USERDEFINED IMPORTED The fill material is imported. EXCAVATED The fill material is excavated on site. USERDEFINED User Defined SourceOfFillOther User defined Source of fill when SourceOfFill = USEDEFINED. CompactionMethod Method of compaction. ROLLER TAMPING NONE USERDEFINED ROLLER Compaction using some type of roller equipment. TAMPING Compaction using some kind of tamping equipment. NONE No compaction. USERDEFINED User Defined CompactionMethodOther User defined method of compaction when CompactionMethod = USERDEFINED. CompactionFactor Reduction in volume on compaction.