IFC 4.3.x development

Contents

1 Scope
2 Normative references
3 Terms, definitions, and abbreviated terms
4 Fundamental concepts and assumptions
5 Core data schemas
  5.1 IfcKernel
    5.1.1 Schema Definition
    5.1.2 Types
      5.1.2.1 IfcComplexPropertyTemplateTypeEnum
      5.1.2.2 IfcDefinitionSelect
      5.1.2.3 IfcObjectTypeEnum
      5.1.2.4 IfcProcessSelect
      5.1.2.5 IfcProductSelect
      5.1.2.6 IfcPropertySetDefinitionSelect
      5.1.2.7 IfcPropertySetDefinitionSet
      5.1.2.8 IfcPropertySetTemplateTypeEnum
      5.1.2.9 IfcResourceSelect
      5.1.2.10 IfcSimplePropertyTemplateTypeEnum
    5.1.3 Entities
      5.1.3.1 IfcActor
      5.1.3.2 IfcComplexPropertyTemplate
      5.1.3.3 IfcContext
      5.1.3.4 IfcControl
      5.1.3.5 IfcGroup
      5.1.3.6 IfcObject
      5.1.3.7 IfcObjectDefinition
      5.1.3.8 IfcPreDefinedPropertySet
      5.1.3.9 IfcProcess
      5.1.3.10 IfcProduct
      5.1.3.11 IfcProject
      5.1.3.12 IfcProjectLibrary
      5.1.3.13 IfcPropertyDefinition
      5.1.3.14 IfcPropertySet
      5.1.3.15 IfcPropertySetDefinition
      5.1.3.16 IfcPropertySetTemplate
      5.1.3.17 IfcPropertyTemplate
      5.1.3.18 IfcPropertyTemplateDefinition
      5.1.3.19 IfcProxy
      5.1.3.20 IfcQuantitySet
      5.1.3.21 IfcRelAggregates
      5.1.3.22 IfcRelAssigns
      5.1.3.23 IfcRelAssignsToActor
      5.1.3.24 IfcRelAssignsToControl
      5.1.3.25 IfcRelAssignsToGroup
      5.1.3.26 IfcRelAssignsToGroupByFactor
      5.1.3.27 IfcRelAssignsToProcess
      5.1.3.28 IfcRelAssignsToProduct
      5.1.3.29 IfcRelAssignsToResource
      5.1.3.30 IfcRelAssociates
      5.1.3.31 IfcRelAssociatesClassification
      5.1.3.32 IfcRelAssociatesDocument
      5.1.3.33 IfcRelAssociatesLibrary
      5.1.3.34 IfcRelConnects
      5.1.3.35 IfcRelDeclares
      5.1.3.36 IfcRelDecomposes
      5.1.3.37 IfcRelDefines
      5.1.3.38 IfcRelDefinesByObject
      5.1.3.39 IfcRelDefinesByProperties
      5.1.3.40 IfcRelDefinesByTemplate
      5.1.3.41 IfcRelDefinesByType
      5.1.3.42 IfcRelNests
      5.1.3.43 IfcRelationship
      5.1.3.44 IfcResource
      5.1.3.45 IfcRoot
      5.1.3.46 IfcSimplePropertyTemplate
      5.1.3.47 IfcTypeObject
      5.1.3.48 IfcTypeProcess
      5.1.3.49 IfcTypeProduct
      5.1.3.50 IfcTypeResource
  5.2 IfcControlExtension
    5.2.1 Schema Definition
    5.2.2 Types
      5.2.2.1 IfcPerformanceHistoryTypeEnum
    5.2.3 Entities
      5.2.3.1 IfcPerformanceHistory
      5.2.3.2 IfcRelAssociatesApproval
      5.2.3.3 IfcRelAssociatesConstraint
  5.3 IfcProcessExtension
    5.3.1 Schema Definition
    5.3.2 Types
      5.3.2.1 IfcEventTriggerTypeEnum
      5.3.2.2 IfcEventTypeEnum
      5.3.2.3 IfcProcedureTypeEnum
      5.3.2.4 IfcSequenceEnum
      5.3.2.5 IfcTaskTypeEnum
      5.3.2.6 IfcWorkCalendarTypeEnum
      5.3.2.7 IfcWorkPlanTypeEnum
      5.3.2.8 IfcWorkScheduleTypeEnum
    5.3.3 Entities
      5.3.3.1 IfcEvent
      5.3.3.2 IfcEventType
      5.3.3.3 IfcProcedure
      5.3.3.4 IfcProcedureType
      5.3.3.5 IfcRelSequence
      5.3.3.6 IfcTask
      5.3.3.7 IfcTaskType
      5.3.3.8 IfcWorkCalendar
      5.3.3.9 IfcWorkControl
      5.3.3.10 IfcWorkPlan
      5.3.3.11 IfcWorkSchedule
  5.4 IfcProductExtension
    5.4.1 Schema Definition
    5.4.2 Types
      5.4.2.1 IfcAlignmentTypeEnum
      5.4.2.2 IfcAssemblyPlaceEnum
      5.4.2.3 IfcBridgePartTypeEnum
      5.4.2.4 IfcBridgeTypeEnum
      5.4.2.5 IfcElementAssemblyTypeEnum
      5.4.2.6 IfcElementCompositionEnum
      5.4.2.7 IfcExternalSpatialElementTypeEnum
      5.4.2.8 IfcGeographicElementTypeEnum
      5.4.2.9 IfcGridTypeEnum
      5.4.2.10 IfcInternalOrExternalEnum
      5.4.2.11 IfcOpeningElementTypeEnum
      5.4.2.12 IfcPhysicalOrVirtualEnum
      5.4.2.13 IfcProjectionElementTypeEnum
      5.4.2.14 IfcReferentTypeEnum
      5.4.2.15 IfcSpaceBoundarySelect
      5.4.2.16 IfcSpaceTypeEnum
      5.4.2.17 IfcSpatialZoneTypeEnum
      5.4.2.18 IfcTransportElementFixedTypeEnum
    5.4.3 Entities
      5.4.3.1 IfcAlignment
      5.4.3.2 IfcAnnotation
      5.4.3.3 IfcBridge
      5.4.3.4 IfcBuilding
      5.4.3.5 IfcBuildingStorey
      5.4.3.6 IfcBuiltElement
      5.4.3.7 IfcBuiltElementType
      5.4.3.8 IfcCivilElement
      5.4.3.9 IfcCivilElementType
      5.4.3.10 IfcDistributionElement
      5.4.3.11 IfcDistributionElementType
      5.4.3.12 IfcElement
      5.4.3.13 IfcElementAssembly
      5.4.3.14 IfcElementAssemblyType
      5.4.3.15 IfcElementQuantity
      5.4.3.16 IfcElementType
      5.4.3.17 IfcExternalSpatialElement
      5.4.3.18 IfcExternalSpatialStructureElement
      5.4.3.19 IfcFacility
      5.4.3.20 IfcFacilityPart
      5.4.3.21 IfcFeatureElement
      5.4.3.22 IfcFeatureElementAddition
      5.4.3.23 IfcFeatureElementSubtraction
      5.4.3.24 IfcFurnishingElement
      5.4.3.25 IfcFurnishingElementType
      5.4.3.26 IfcGeographicElement
      5.4.3.27 IfcGeographicElementType
      5.4.3.28 IfcGrid
      5.4.3.29 IfcLinearElement
      5.4.3.30 IfcLinearPositioningElement
      5.4.3.31 IfcOpeningElement
      5.4.3.32 IfcOpeningStandardCase
      5.4.3.33 IfcPort
      5.4.3.34 IfcPositioningElement
      5.4.3.35 IfcProjectionElement
      5.4.3.36 IfcReferent
      5.4.3.37 IfcRelAssociatesMaterial
      5.4.3.38 IfcRelConnectsElements
      5.4.3.39 IfcRelConnectsPortToElement
      5.4.3.40 IfcRelConnectsPorts
      5.4.3.41 IfcRelConnectsWithRealizingElements
      5.4.3.42 IfcRelContainedInSpatialStructure
      5.4.3.43 IfcRelFillsElement
      5.4.3.44 IfcRelInterferesElements
      5.4.3.45 IfcRelPositions
      5.4.3.46 IfcRelProjectsElement
      5.4.3.47 IfcRelReferencedInSpatialStructure
      5.4.3.48 IfcRelServicesBuildings
      5.4.3.49 IfcRelSpaceBoundary
      5.4.3.50 IfcRelSpaceBoundary1stLevel
      5.4.3.51 IfcRelSpaceBoundary2ndLevel
      5.4.3.52 IfcRelVoidsElement
      5.4.3.53 IfcSite
      5.4.3.54 IfcSpace
      5.4.3.55 IfcSpaceType
      5.4.3.56 IfcSpatialElement
      5.4.3.57 IfcSpatialElementType
      5.4.3.58 IfcSpatialStructureElement
      5.4.3.59 IfcSpatialStructureElementType
      5.4.3.60 IfcSpatialZone
      5.4.3.61 IfcSpatialZoneType
      5.4.3.62 IfcSystem
      5.4.3.63 IfcTransportElement
      5.4.3.64 IfcTransportElementType
      5.4.3.65 IfcVirtualElement
      5.4.3.66 IfcZone
6 Shared element data schemas
  6.1 IfcSharedBldgElements
    6.1.1 Schema Definition
    6.1.2 Types
      6.1.2.1 IfcBeamTypeEnum
      6.1.2.2 IfcBearingTypeDisplacementEnum
      6.1.2.3 IfcBearingTypeEnum
      6.1.2.4 IfcBuildingElementProxyTypeEnum
      6.1.2.5 IfcBuildingSystemTypeEnum
      6.1.2.6 IfcCaissonFoundationTypeEnum
      6.1.2.7 IfcChimneyTypeEnum
      6.1.2.8 IfcColumnTypeEnum
      6.1.2.9 IfcConnectionTypeEnum
      6.1.2.10 IfcCoveringTypeEnum
      6.1.2.11 IfcCurtainWallTypeEnum
      6.1.2.12 IfcDoorTypeEnum
      6.1.2.13 IfcDoorTypeOperationEnum
      6.1.2.14 IfcMemberTypeEnum
      6.1.2.15 IfcPlateTypeEnum
      6.1.2.16 IfcRailingTypeEnum
      6.1.2.17 IfcRampFlightTypeEnum
      6.1.2.18 IfcRampTypeEnum
      6.1.2.19 IfcRoofTypeEnum
      6.1.2.20 IfcShadingDeviceTypeEnum
      6.1.2.21 IfcSlabTypeEnum
      6.1.2.22 IfcStairFlightTypeEnum
      6.1.2.23 IfcStairTypeEnum
      6.1.2.24 IfcWallTypeEnum
      6.1.2.25 IfcWindowTypeEnum
      6.1.2.26 IfcWindowTypePartitioningEnum
    6.1.3 Entities
      6.1.3.1 IfcBeam
      6.1.3.2 IfcBeamStandardCase
      6.1.3.3 IfcBeamType
      6.1.3.4 IfcBearing
      6.1.3.5 IfcBearingType
      6.1.3.6 IfcBuildingElementProxy
      6.1.3.7 IfcBuildingElementProxyType
      6.1.3.8 IfcBuildingSystem
      6.1.3.9 IfcCaissonFoundation
      6.1.3.10 IfcCaissonFoundationType
      6.1.3.11 IfcChimney
      6.1.3.12 IfcChimneyType
      6.1.3.13 IfcColumn
      6.1.3.14 IfcColumnStandardCase
      6.1.3.15 IfcColumnType
      6.1.3.16 IfcCovering
      6.1.3.17 IfcCoveringType
      6.1.3.18 IfcCurtainWall
      6.1.3.19 IfcCurtainWallType
      6.1.3.20 IfcDeepFoundation
      6.1.3.21 IfcDeepFoundationType
      6.1.3.22 IfcDoor
      6.1.3.23 IfcDoorStandardCase
      6.1.3.24 IfcDoorType
      6.1.3.25 IfcMember
      6.1.3.26 IfcMemberStandardCase
      6.1.3.27 IfcMemberType
      6.1.3.28 IfcPlate
      6.1.3.29 IfcPlateStandardCase
      6.1.3.30 IfcPlateType
      6.1.3.31 IfcRailing
      6.1.3.32 IfcRailingType
      6.1.3.33 IfcRamp
      6.1.3.34 IfcRampFlight
      6.1.3.35 IfcRampFlightType
      6.1.3.36 IfcRampType
      6.1.3.37 IfcRelConnectsPathElements
      6.1.3.38 IfcRelCoversBldgElements
      6.1.3.39 IfcRelCoversSpaces
      6.1.3.40 IfcRoof
      6.1.3.41 IfcRoofType
      6.1.3.42 IfcShadingDevice
      6.1.3.43 IfcShadingDeviceType
      6.1.3.44 IfcSlab
      6.1.3.45 IfcSlabElementedCase
      6.1.3.46 IfcSlabStandardCase
      6.1.3.47 IfcSlabType
      6.1.3.48 IfcStair
      6.1.3.49 IfcStairFlight
      6.1.3.50 IfcStairFlightType
      6.1.3.51 IfcStairType
      6.1.3.52 IfcWall
      6.1.3.53 IfcWallElementedCase
      6.1.3.54 IfcWallStandardCase
      6.1.3.55 IfcWallType
      6.1.3.56 IfcWindow
      6.1.3.57 IfcWindowStandardCase
      6.1.3.58 IfcWindowType
  6.2 IfcSharedBldgServiceElements
    6.2.1 Schema Definition
    6.2.2 Types
      6.2.2.1 IfcDistributionChamberElementTypeEnum
      6.2.2.2 IfcDistributionPortTypeEnum
      6.2.2.3 IfcDistributionSystemEnum
      6.2.2.4 IfcFlowDirectionEnum
    6.2.3 Entities
      6.2.3.1 IfcDistributionChamberElement
      6.2.3.2 IfcDistributionChamberElementType
      6.2.3.3 IfcDistributionCircuit
      6.2.3.4 IfcDistributionControlElement
      6.2.3.5 IfcDistributionControlElementType
      6.2.3.6 IfcDistributionFlowElement
      6.2.3.7 IfcDistributionFlowElementType
      6.2.3.8 IfcDistributionPort
      6.2.3.9 IfcDistributionSystem
      6.2.3.10 IfcEnergyConversionDevice
      6.2.3.11 IfcEnergyConversionDeviceType
      6.2.3.12 IfcFlowController
      6.2.3.13 IfcFlowControllerType
      6.2.3.14 IfcFlowFitting
      6.2.3.15 IfcFlowFittingType
      6.2.3.16 IfcFlowMovingDevice
      6.2.3.17 IfcFlowMovingDeviceType
      6.2.3.18 IfcFlowSegment
      6.2.3.19 IfcFlowSegmentType
      6.2.3.20 IfcFlowStorageDevice
      6.2.3.21 IfcFlowStorageDeviceType
      6.2.3.22 IfcFlowTerminal
      6.2.3.23 IfcFlowTerminalType
      6.2.3.24 IfcFlowTreatmentDevice
      6.2.3.25 IfcFlowTreatmentDeviceType
      6.2.3.26 IfcRelFlowControlElements
  6.3 IfcSharedComponentElements
    6.3.1 Schema Definition
    6.3.2 Types
      6.3.2.1 IfcBuildingElementPartTypeEnum
      6.3.2.2 IfcDiscreteAccessoryTypeEnum
      6.3.2.3 IfcFastenerTypeEnum
      6.3.2.4 IfcImpactProtectionDeviceTypeEnum
      6.3.2.5 IfcImpactProtectionDeviceTypeSelect
      6.3.2.6 IfcMechanicalFastenerTypeEnum
      6.3.2.7 IfcVibrationDamperTypeEnum
    6.3.3 Entities
      6.3.3.1 IfcBuildingElementPart
      6.3.3.2 IfcBuildingElementPartType
      6.3.3.3 IfcDiscreteAccessory
      6.3.3.4 IfcDiscreteAccessoryType
      6.3.3.5 IfcElementComponent
      6.3.3.6 IfcElementComponentType
      6.3.3.7 IfcFastener
      6.3.3.8 IfcFastenerType
      6.3.3.9 IfcImpactProtectionDevice
      6.3.3.10 IfcImpactProtectionDeviceType
      6.3.3.11 IfcMechanicalFastener
      6.3.3.12 IfcMechanicalFastenerType
      6.3.3.13 IfcVibrationDamper
      6.3.3.14 IfcVibrationDamperType
  6.4 IfcSharedFacilitiesElements
    6.4.1 Schema Definition
    6.4.2 Types
      6.4.2.1 IfcFurnitureTypeEnum
      6.4.2.2 IfcInventoryTypeEnum
      6.4.2.3 IfcOccupantTypeEnum
      6.4.2.4 IfcSystemFurnitureElementTypeEnum
    6.4.3 Entities
      6.4.3.1 IfcAsset
      6.4.3.2 IfcFurniture
      6.4.3.3 IfcFurnitureType
      6.4.3.4 IfcInventory
      6.4.3.5 IfcOccupant
      6.4.3.6 IfcSystemFurnitureElement
      6.4.3.7 IfcSystemFurnitureElementType
  6.5 IfcSharedMgmtElements
    6.5.1 Schema Definition
    6.5.2 Types
      6.5.2.1 IfcActionRequestTypeEnum
      6.5.2.2 IfcCostItemTypeEnum
      6.5.2.3 IfcCostScheduleTypeEnum
      6.5.2.4 IfcPermitTypeEnum
      6.5.2.5 IfcProjectOrderTypeEnum
    6.5.3 Entities
      6.5.3.1 IfcActionRequest
      6.5.3.2 IfcCostItem
      6.5.3.3 IfcCostSchedule
      6.5.3.4 IfcPermit
      6.5.3.5 IfcProjectOrder
7 Domain specific data schemas
  7.1 IfcArchitectureDomain
    7.1.1 Schema Definition
    7.1.2 Types
      7.1.2.1 IfcDoorPanelOperationEnum
      7.1.2.2 IfcDoorPanelPositionEnum
      7.1.2.3 IfcDoorStyleConstructionEnum
      7.1.2.4 IfcDoorStyleOperationEnum
      7.1.2.5 IfcPermeableCoveringOperationEnum
      7.1.2.6 IfcWindowPanelOperationEnum
      7.1.2.7 IfcWindowPanelPositionEnum
      7.1.2.8 IfcWindowStyleConstructionEnum
      7.1.2.9 IfcWindowStyleOperationEnum
    7.1.3 Entities
      7.1.3.1 IfcDoorLiningProperties
      7.1.3.2 IfcDoorPanelProperties
      7.1.3.3 IfcDoorStyle
      7.1.3.4 IfcPermeableCoveringProperties
      7.1.3.5 IfcWindowLiningProperties
      7.1.3.6 IfcWindowPanelProperties
      7.1.3.7 IfcWindowStyle
  7.2 IfcBuildingControlsDomain
    7.2.1 Schema Definition
    7.2.2 Types
      7.2.2.1 IfcActuatorTypeEnum
      7.2.2.2 IfcAlarmTypeEnum
      7.2.2.3 IfcControllerTypeEnum
      7.2.2.4 IfcFlowInstrumentTypeEnum
      7.2.2.5 IfcSensorTypeEnum
      7.2.2.6 IfcUnitaryControlElementTypeEnum
    7.2.3 Entities
      7.2.3.1 IfcActuator
      7.2.3.2 IfcActuatorType
      7.2.3.3 IfcAlarm
      7.2.3.4 IfcAlarmType
      7.2.3.5 IfcController
      7.2.3.6 IfcControllerType
      7.2.3.7 IfcFlowInstrument
      7.2.3.8 IfcFlowInstrumentType
      7.2.3.9 IfcSensor
      7.2.3.10 IfcSensorType
      7.2.3.11 IfcUnitaryControlElement
      7.2.3.12 IfcUnitaryControlElementType
  7.3 IfcConstructionMgmtDomain
    7.3.1 Schema Definition
    7.3.2 Types
      7.3.2.1 IfcConstructionEquipmentResourceTypeEnum
      7.3.2.2 IfcConstructionMaterialResourceTypeEnum
      7.3.2.3 IfcConstructionProductResourceTypeEnum
      7.3.2.4 IfcCrewResourceTypeEnum
      7.3.2.5 IfcLaborResourceTypeEnum
      7.3.2.6 IfcSubContractResourceTypeEnum
    7.3.3 Entities
      7.3.3.1 IfcConstructionEquipmentResource
      7.3.3.2 IfcConstructionEquipmentResourceType
      7.3.3.3 IfcConstructionMaterialResource
      7.3.3.4 IfcConstructionMaterialResourceType
      7.3.3.5 IfcConstructionProductResource
      7.3.3.6 IfcConstructionProductResourceType
      7.3.3.7 IfcConstructionResource
      7.3.3.8 IfcConstructionResourceType
      7.3.3.9 IfcCrewResource
      7.3.3.10 IfcCrewResourceType
      7.3.3.11 IfcLaborResource
      7.3.3.12 IfcLaborResourceType
      7.3.3.13 IfcSubContractResource
      7.3.3.14 IfcSubContractResourceType
  7.4 IfcElectricalDomain
    7.4.1 Schema Definition
    7.4.2 Types
      7.4.2.1 IfcAudioVisualApplianceTypeEnum
      7.4.2.2 IfcCableCarrierFittingTypeEnum
      7.4.2.3 IfcCableCarrierSegmentTypeEnum
      7.4.2.4 IfcCableFittingTypeEnum
      7.4.2.5 IfcCableSegmentTypeEnum
      7.4.2.6 IfcCommunicationsApplianceTypeEnum
      7.4.2.7 IfcElectricApplianceTypeEnum
      7.4.2.8 IfcElectricDistributionBoardTypeEnum
      7.4.2.9 IfcElectricFlowStorageDeviceTypeEnum
      7.4.2.10 IfcElectricGeneratorTypeEnum
      7.4.2.11 IfcElectricMotorTypeEnum
      7.4.2.12 IfcElectricTimeControlTypeEnum
      7.4.2.13 IfcJunctionBoxTypeEnum
      7.4.2.14 IfcLampTypeEnum
      7.4.2.15 IfcLightFixtureTypeEnum
      7.4.2.16 IfcMotorConnectionTypeEnum
      7.4.2.17 IfcOutletTypeEnum
      7.4.2.18 IfcProtectiveDeviceTrippingUnitTypeEnum
      7.4.2.19 IfcProtectiveDeviceTypeEnum
      7.4.2.20 IfcSolarDeviceTypeEnum
      7.4.2.21 IfcSwitchingDeviceTypeEnum
      7.4.2.22 IfcTransformerTypeEnum
    7.4.3 Entities
      7.4.3.1 IfcAudioVisualAppliance
      7.4.3.2 IfcAudioVisualApplianceType
      7.4.3.3 IfcCableCarrierFitting
      7.4.3.4 IfcCableCarrierFittingType
      7.4.3.5 IfcCableCarrierSegment
      7.4.3.6 IfcCableCarrierSegmentType
      7.4.3.7 IfcCableFitting
      7.4.3.8 IfcCableFittingType
      7.4.3.9 IfcCableSegment
      7.4.3.10 IfcCableSegmentType
      7.4.3.11 IfcCommunicationsAppliance
      7.4.3.12 IfcCommunicationsApplianceType
      7.4.3.13 IfcElectricAppliance
      7.4.3.14 IfcElectricApplianceType
      7.4.3.15 IfcElectricDistributionBoard
      7.4.3.16 IfcElectricDistributionBoardType
      7.4.3.17 IfcElectricFlowStorageDevice
      7.4.3.18 IfcElectricFlowStorageDeviceType
      7.4.3.19 IfcElectricGenerator
      7.4.3.20 IfcElectricGeneratorType
      7.4.3.21 IfcElectricMotor
      7.4.3.22 IfcElectricMotorType
      7.4.3.23 IfcElectricTimeControl
      7.4.3.24 IfcElectricTimeControlType
      7.4.3.25 IfcJunctionBox
      7.4.3.26 IfcJunctionBoxType
      7.4.3.27 IfcLamp
      7.4.3.28 IfcLampType
      7.4.3.29 IfcLightFixture
      7.4.3.30 IfcLightFixtureType
      7.4.3.31 IfcMotorConnection
      7.4.3.32 IfcMotorConnectionType
      7.4.3.33 IfcOutlet
      7.4.3.34 IfcOutletType
      7.4.3.35 IfcProtectiveDevice
      7.4.3.36 IfcProtectiveDeviceTrippingUnit
      7.4.3.37 IfcProtectiveDeviceTrippingUnitType
      7.4.3.38 IfcProtectiveDeviceType
      7.4.3.39 IfcSolarDevice
      7.4.3.40 IfcSolarDeviceType
      7.4.3.41 IfcSwitchingDevice
      7.4.3.42 IfcSwitchingDeviceType
      7.4.3.43 IfcTransformer
      7.4.3.44 IfcTransformerType
  7.5 IfcHvacDomain
    7.5.1 Schema Definition
    7.5.2 Types
      7.5.2.1 IfcAirTerminalBoxTypeEnum
      7.5.2.2 IfcAirTerminalTypeEnum
      7.5.2.3 IfcAirToAirHeatRecoveryTypeEnum
      7.5.2.4 IfcBoilerTypeEnum
      7.5.2.5 IfcBurnerTypeEnum
      7.5.2.6 IfcChillerTypeEnum
      7.5.2.7 IfcCoilTypeEnum
      7.5.2.8 IfcCompressorTypeEnum
      7.5.2.9 IfcCondenserTypeEnum
      7.5.2.10 IfcCooledBeamTypeEnum
      7.5.2.11 IfcCoolingTowerTypeEnum
      7.5.2.12 IfcDamperTypeEnum
      7.5.2.13 IfcDuctFittingTypeEnum
      7.5.2.14 IfcDuctSegmentTypeEnum
      7.5.2.15 IfcDuctSilencerTypeEnum
      7.5.2.16 IfcEngineTypeEnum
      7.5.2.17 IfcEvaporativeCoolerTypeEnum
      7.5.2.18 IfcEvaporatorTypeEnum
      7.5.2.19 IfcFanTypeEnum
      7.5.2.20 IfcFilterTypeEnum
      7.5.2.21 IfcFlowMeterTypeEnum
      7.5.2.22 IfcHeatExchangerTypeEnum
      7.5.2.23 IfcHumidifierTypeEnum
      7.5.2.24 IfcMedicalDeviceTypeEnum
      7.5.2.25 IfcPipeFittingTypeEnum
      7.5.2.26 IfcPipeSegmentTypeEnum
      7.5.2.27 IfcPumpTypeEnum
      7.5.2.28 IfcSpaceHeaterTypeEnum
      7.5.2.29 IfcTankTypeEnum
      7.5.2.30 IfcTubeBundleTypeEnum
      7.5.2.31 IfcUnitaryEquipmentTypeEnum
      7.5.2.32 IfcValveTypeEnum
      7.5.2.33 IfcVibrationIsolatorTypeEnum
    7.5.3 Entities
      7.5.3.1 IfcAirTerminal
      7.5.3.2 IfcAirTerminalBox
      7.5.3.3 IfcAirTerminalBoxType
      7.5.3.4 IfcAirTerminalType
      7.5.3.5 IfcAirToAirHeatRecovery
      7.5.3.6 IfcAirToAirHeatRecoveryType
      7.5.3.7 IfcBoiler
      7.5.3.8 IfcBoilerType
      7.5.3.9 IfcBurner
      7.5.3.10 IfcBurnerType
      7.5.3.11 IfcChiller
      7.5.3.12 IfcChillerType
      7.5.3.13 IfcCoil
      7.5.3.14 IfcCoilType
      7.5.3.15 IfcCompressor
      7.5.3.16 IfcCompressorType
      7.5.3.17 IfcCondenser
      7.5.3.18 IfcCondenserType
      7.5.3.19 IfcCooledBeam
      7.5.3.20 IfcCooledBeamType
      7.5.3.21 IfcCoolingTower
      7.5.3.22 IfcCoolingTowerType
      7.5.3.23 IfcDamper
      7.5.3.24 IfcDamperType
      7.5.3.25 IfcDuctFitting
      7.5.3.26 IfcDuctFittingType
      7.5.3.27 IfcDuctSegment
      7.5.3.28 IfcDuctSegmentType
      7.5.3.29 IfcDuctSilencer
      7.5.3.30 IfcDuctSilencerType
      7.5.3.31 IfcEngine
      7.5.3.32 IfcEngineType
      7.5.3.33 IfcEvaporativeCooler
      7.5.3.34 IfcEvaporativeCoolerType
      7.5.3.35 IfcEvaporator
      7.5.3.36 IfcEvaporatorType
      7.5.3.37 IfcFan
      7.5.3.38 IfcFanType
      7.5.3.39 IfcFilter
      7.5.3.40 IfcFilterType
      7.5.3.41 IfcFlowMeter
      7.5.3.42 IfcFlowMeterType
      7.5.3.43 IfcHeatExchanger
      7.5.3.44 IfcHeatExchangerType
      7.5.3.45 IfcHumidifier
      7.5.3.46 IfcHumidifierType
      7.5.3.47 IfcMedicalDevice
      7.5.3.48 IfcMedicalDeviceType
      7.5.3.49 IfcPipeFitting
      7.5.3.50 IfcPipeFittingType
      7.5.3.51 IfcPipeSegment
      7.5.3.52 IfcPipeSegmentType
      7.5.3.53 IfcPump
      7.5.3.54 IfcPumpType
      7.5.3.55 IfcSpaceHeater
      7.5.3.56 IfcSpaceHeaterType
      7.5.3.57 IfcTank
      7.5.3.58 IfcTankType
      7.5.3.59 IfcTubeBundle
      7.5.3.60 IfcTubeBundleType
      7.5.3.61 IfcUnitaryEquipment
      7.5.3.62 IfcUnitaryEquipmentType
      7.5.3.63 IfcValve
      7.5.3.64 IfcValveType
      7.5.3.65 IfcVibrationIsolator
      7.5.3.66 IfcVibrationIsolatorType
  7.6 IfcPlumbingFireProtectionDomain
    7.6.1 Schema Definition
    7.6.2 Types
      7.6.2.1 IfcFireSuppressionTerminalTypeEnum
      7.6.2.2 IfcInterceptorTypeEnum
      7.6.2.3 IfcLiquidTerminalTypeEnum
      7.6.2.4 IfcSanitaryTerminalTypeEnum
      7.6.2.5 IfcStackTerminalTypeEnum
      7.6.2.6 IfcWasteTerminalTypeEnum
    7.6.3 Entities
      7.6.3.1 IfcFireSuppressionTerminal
      7.6.3.2 IfcFireSuppressionTerminalType
      7.6.3.3 IfcInterceptor
      7.6.3.4 IfcInterceptorType
      7.6.3.5 IfcLiquidTerminal
      7.6.3.6 IfcLiquidTerminalType
      7.6.3.7 IfcSanitaryTerminal
      7.6.3.8 IfcSanitaryTerminalType
      7.6.3.9 IfcStackTerminal
      7.6.3.10 IfcStackTerminalType
      7.6.3.11 IfcWasteTerminal
      7.6.3.12 IfcWasteTerminalType
  7.7 IfcPortsAndWaterways
    7.7.1 Schema Definition
    7.7.2 Types
      7.7.2.1 IfcMarineFacilityTypeEnum
      7.7.2.2 IfcMarinePartTypeEnum
      7.7.2.3 IfcMooringDeviceTypeEnum
      7.7.2.4 IfcNavigationElementTypeEnum
    7.7.3 Entities
      7.7.3.1 IfcMarineFacility
      7.7.3.2 IfcMooringDevice
      7.7.3.3 IfcMooringDeviceType
      7.7.3.4 IfcNavigationElement
      7.7.3.5 IfcNavigationElementType
  7.8 IfcRail
    7.8.1 Schema Definition
    7.8.2 Types
      7.8.2.1 IfcDistributionBoardTypeEnum
      7.8.2.2 IfcElectricFlowTreatmentDeviceTypeEnum
      7.8.2.3 IfcMobileTelecommunicationsApplianceTypeEnum
      7.8.2.4 IfcRailTypeEnum
      7.8.2.5 IfcRailwayPartTypeEnum
      7.8.2.6 IfcRailwayTypeEnum
      7.8.2.7 IfcTrackElementTypeEnum
    7.8.3 Entities
      7.8.3.1 IfcAlignmentCant
      7.8.3.2 IfcDirectrixDistanceSweptAreaSolid
      7.8.3.3 IfcDistributionBoard
      7.8.3.4 IfcDistributionBoardType
      7.8.3.5 IfcElectricFlowTreatmentDevice
      7.8.3.6 IfcElectricFlowTreatmentDeviceType
      7.8.3.7 IfcInclinedReferenceSweptAreaSolid
      7.8.3.8 IfcMobileTelecommunicationsAppliance
      7.8.3.9 IfcMobileTelecommunicationsApplianceType
      7.8.3.10 IfcRail
      7.8.3.11 IfcRailType
      7.8.3.12 IfcRailway
      7.8.3.13 IfcTrackElement
      7.8.3.14 IfcTrackElementType
  7.9 IfcRoad
    7.9.1 Schema Definition
    7.9.2 Types
      7.9.2.1 IfcRoadPartTypeEnum
      7.9.2.2 IfcRoadTypeEnum
    7.9.3 Entities
      7.9.3.1 IfcKerb
      7.9.3.2 IfcKerbType
      7.9.3.3 IfcRelAssociatesProfileDef
      7.9.3.4 IfcRoad
  7.10 IfcSharedInfrastructureElements
    7.10.1 Schema Definition
    7.10.2 Types
      7.10.2.1 IfcAnnotationTypeEnum
      7.10.2.2 IfcBuiltSystemTypeEnum
      7.10.2.3 IfcConveyorSegmentTypeEnum
      7.10.2.4 IfcCourseTypeEnum
      7.10.2.5 IfcEarthworksCutTypeEnum
      7.10.2.6 IfcEarthworksFillTypeEnum
      7.10.2.7 IfcFacilityPartCommonTypeEnum
      7.10.2.8 IfcFacilityPartTypeSelect
      7.10.2.9 IfcFacilityUsageEnum
      7.10.2.10 IfcInterferenceSelect
      7.10.2.11 IfcReinforcedSoilTypeEnum
      7.10.2.12 IfcSignTypeEnum
      7.10.2.13 IfcSignalTypeEnum
      7.10.2.14 IfcSpatialReferenceSelect
      7.10.2.15 IfcTransportElementNonFixedTypeEnum
      7.10.2.16 IfcTransportElementTypeSelect
    7.10.3 Entities
      7.10.3.1 IfcBorehole
      7.10.3.2 IfcBuiltSystem
      7.10.3.3 IfcConveyorSegment
      7.10.3.4 IfcConveyorSegmentType
      7.10.3.5 IfcCourse
      7.10.3.6 IfcCourseType
      7.10.3.7 IfcEarthworksCut
      7.10.3.8 IfcEarthworksElement
      7.10.3.9 IfcEarthworksFill
      7.10.3.10 IfcGeomodel
      7.10.3.11 IfcGeoslice
      7.10.3.12 IfcGeotechnicalAssembly
      7.10.3.13 IfcGeotechnicalElement
      7.10.3.14 IfcGeotechnicalStratum
      7.10.3.15 IfcPavement
      7.10.3.16 IfcPavementType
      7.10.3.17 IfcPlant
      7.10.3.18 IfcReinforcedSoil
      7.10.3.19 IfcSign
      7.10.3.20 IfcSignType
      7.10.3.21 IfcSignal
      7.10.3.22 IfcSignalType
      7.10.3.23 IfcSolidStratum
      7.10.3.24 IfcVoidStratum
      7.10.3.25 IfcWaterStratum
  7.11 IfcStructuralAnalysisDomain
    7.11.1 Schema Definition
    7.11.2 Types
      7.11.2.1 IfcActionSourceTypeEnum
      7.11.2.2 IfcActionTypeEnum
      7.11.2.3 IfcAnalysisModelTypeEnum
      7.11.2.4 IfcAnalysisTheoryTypeEnum
      7.11.2.5 IfcLoadGroupTypeEnum
      7.11.2.6 IfcProjectedOrTrueLengthEnum
      7.11.2.7 IfcStructuralActivityAssignmentSelect
      7.11.2.8 IfcStructuralCurveActivityTypeEnum
      7.11.2.9 IfcStructuralCurveMemberTypeEnum
      7.11.2.10 IfcStructuralSurfaceActivityTypeEnum
      7.11.2.11 IfcStructuralSurfaceMemberTypeEnum
    7.11.3 Entities
      7.11.3.1 IfcRelConnectsStructuralActivity
      7.11.3.2 IfcRelConnectsStructuralMember
      7.11.3.3 IfcRelConnectsWithEccentricity
      7.11.3.4 IfcStructuralAction
      7.11.3.5 IfcStructuralActivity
      7.11.3.6 IfcStructuralAnalysisModel
      7.11.3.7 IfcStructuralConnection
      7.11.3.8 IfcStructuralCurveAction
      7.11.3.9 IfcStructuralCurveConnection
      7.11.3.10 IfcStructuralCurveMember
      7.11.3.11 IfcStructuralCurveMemberVarying
      7.11.3.12 IfcStructuralCurveReaction
      7.11.3.13 IfcStructuralItem
      7.11.3.14 IfcStructuralLinearAction
      7.11.3.15 IfcStructuralLoadCase
      7.11.3.16 IfcStructuralLoadGroup
      7.11.3.17 IfcStructuralMember
      7.11.3.18 IfcStructuralPlanarAction
      7.11.3.19 IfcStructuralPointAction
      7.11.3.20 IfcStructuralPointConnection
      7.11.3.21 IfcStructuralPointReaction
      7.11.3.22 IfcStructuralReaction
      7.11.3.23 IfcStructuralResultGroup
      7.11.3.24 IfcStructuralSurfaceAction
      7.11.3.25 IfcStructuralSurfaceConnection
      7.11.3.26 IfcStructuralSurfaceMember
      7.11.3.27 IfcStructuralSurfaceMemberVarying
      7.11.3.28 IfcStructuralSurfaceReaction
  7.12 IfcStructuralElementsDomain
    7.12.1 Schema Definition
    7.12.2 Types
      7.12.2.1 IfcBendingParameterSelect
      7.12.2.2 IfcFootingTypeEnum
      7.12.2.3 IfcPileConstructionEnum
      7.12.2.4 IfcPileTypeEnum
      7.12.2.5 IfcReinforcingBarTypeEnum
      7.12.2.6 IfcReinforcingMeshTypeEnum
      7.12.2.7 IfcSurfaceFeatureTypeEnum
      7.12.2.8 IfcTendonAnchorTypeEnum
      7.12.2.9 IfcTendonConduitTypeEnum
      7.12.2.10 IfcTendonTypeEnum
      7.12.2.11 IfcVoidingFeatureTypeEnum
    7.12.3 Entities
      7.12.3.1 IfcFooting
      7.12.3.2 IfcFootingType
      7.12.3.3 IfcPile
      7.12.3.4 IfcPileType
      7.12.3.5 IfcReinforcementDefinitionProperties
      7.12.3.6 IfcReinforcingBar
      7.12.3.7 IfcReinforcingBarType
      7.12.3.8 IfcReinforcingElement
      7.12.3.9 IfcReinforcingElementType
      7.12.3.10 IfcReinforcingMesh
      7.12.3.11 IfcReinforcingMeshType
      7.12.3.12 IfcSurfaceFeature
      7.12.3.13 IfcTendon
      7.12.3.14 IfcTendonAnchor
      7.12.3.15 IfcTendonAnchorType
      7.12.3.16 IfcTendonConduit
      7.12.3.17 IfcTendonConduitType
      7.12.3.18 IfcTendonType
      7.12.3.19 IfcVoidingFeature
8 Resource definition data schemas
  8.1 IfcActorResource
    8.1.1 Schema Definition
    8.1.2 Types
      8.1.2.1 IfcActorSelect
      8.1.2.2 IfcAddressTypeEnum
      8.1.2.3 IfcRoleEnum
    8.1.3 Entities
      8.1.3.1 IfcActorRole
      8.1.3.2 IfcAddress
      8.1.3.3 IfcOrganization
      8.1.3.4 IfcOrganizationRelationship
      8.1.3.5 IfcPerson
      8.1.3.6 IfcPersonAndOrganization
      8.1.3.7 IfcPostalAddress
      8.1.3.8 IfcTelecomAddress
  8.2 IfcApprovalResource
    8.2.1 Schema Definition
    8.2.2 Types
    8.2.3 Entities
      8.2.3.1 IfcApproval
      8.2.3.2 IfcApprovalRelationship
      8.2.3.3 IfcResourceApprovalRelationship
  8.3 IfcConstraintResource
    8.3.1 Schema Definition
    8.3.2 Types
      8.3.2.1 IfcBenchmarkEnum
      8.3.2.2 IfcConstraintEnum
      8.3.2.3 IfcLogicalOperatorEnum
      8.3.2.4 IfcMetricValueSelect
      8.3.2.5 IfcObjectiveEnum
    8.3.3 Entities
      8.3.3.1 IfcConstraint
      8.3.3.2 IfcMetric
      8.3.3.3 IfcObjective
      8.3.3.4 IfcReference
      8.3.3.5 IfcResourceConstraintRelationship
  8.4 IfcCostResource
    8.4.1 Schema Definition
    8.4.2 Types
      8.4.2.1 IfcAppliedValueSelect
      8.4.2.2 IfcArithmeticOperatorEnum
    8.4.3 Entities
      8.4.3.1 IfcAppliedValue
      8.4.3.2 IfcCostValue
      8.4.3.3 IfcCurrencyRelationship
  8.5 IfcDateTimeResource
    8.5.1 Schema Definition
    8.5.2 Types
      8.5.2.1 IfcDataOriginEnum
      8.5.2.2 IfcDate
      8.5.2.3 IfcDateTime
      8.5.2.4 IfcDayInMonthNumber
      8.5.2.5 IfcDayInWeekNumber
      8.5.2.6 IfcDuration
      8.5.2.7 IfcMonthInYearNumber
      8.5.2.8 IfcRecurrenceTypeEnum
      8.5.2.9 IfcTaskDurationEnum
      8.5.2.10 IfcTime
      8.5.2.11 IfcTimeOrRatioSelect
      8.5.2.12 IfcTimeSeriesDataTypeEnum
      8.5.2.13 IfcTimeStamp
    8.5.3 Entities
      8.5.3.1 IfcEventTime
      8.5.3.2 IfcIrregularTimeSeries
      8.5.3.3 IfcIrregularTimeSeriesValue
      8.5.3.4 IfcLagTime
      8.5.3.5 IfcRecurrencePattern
      8.5.3.6 IfcRegularTimeSeries
      8.5.3.7 IfcResourceTime
      8.5.3.8 IfcSchedulingTime
      8.5.3.9 IfcTaskTime
      8.5.3.10 IfcTaskTimeRecurring
      8.5.3.11 IfcTimePeriod
      8.5.3.12 IfcTimeSeries
      8.5.3.13 IfcTimeSeriesValue
      8.5.3.14 IfcWorkTime
  8.6 IfcExternalReferenceResource
    8.6.1 Schema Definition
    8.6.2 Types
      8.6.2.1 IfcClassificationReferenceSelect
      8.6.2.2 IfcClassificationSelect
      8.6.2.3 IfcDocumentConfidentialityEnum
      8.6.2.4 IfcDocumentSelect
      8.6.2.5 IfcDocumentStatusEnum
      8.6.2.6 IfcLanguageId
      8.6.2.7 IfcLibrarySelect
      8.6.2.8 IfcResourceObjectSelect
      8.6.2.9 IfcURIReference
    8.6.3 Entities
      8.6.3.1 IfcClassification
      8.6.3.2 IfcClassificationReference
      8.6.3.3 IfcDocumentInformation
      8.6.3.4 IfcDocumentInformationRelationship
      8.6.3.5 IfcDocumentReference
      8.6.3.6 IfcExternalInformation
      8.6.3.7 IfcExternalReference
      8.6.3.8 IfcExternalReferenceRelationship
      8.6.3.9 IfcLibraryInformation
      8.6.3.10 IfcLibraryReference
      8.6.3.11 IfcResourceLevelRelationship
  8.7 IfcGeometricConstraintResource
    8.7.1 Schema Definition
    8.7.2 Types
      8.7.2.1 IfcAlignmentCantSegmentTypeEnum
      8.7.2.2 IfcAlignmentHorizontalSegmentTypeEnum
      8.7.2.3 IfcAlignmentVerticalSegmentTypeEnum
      8.7.2.4 IfcCurveOrEdgeCurve
      8.7.2.5 IfcGridPlacementDirectionSelect
      8.7.2.6 IfcPointOrVertexPoint
      8.7.2.7 IfcSolidOrShell
      8.7.2.8 IfcSurfaceOrFaceSurface
    8.7.3 Entities
      8.7.3.1 IfcAlignmentCantSegment
      8.7.3.2 IfcAlignmentHorizontal
      8.7.3.3 IfcAlignmentHorizontalSegment
      8.7.3.4 IfcAlignmentParameterSegment
      8.7.3.5 IfcAlignmentSegment
      8.7.3.6 IfcAlignmentVertical
      8.7.3.7 IfcAlignmentVerticalSegment
      8.7.3.8 IfcConnectionCurveGeometry
      8.7.3.9 IfcConnectionGeometry
      8.7.3.10 IfcConnectionPointEccentricity
      8.7.3.11 IfcConnectionPointGeometry
      8.7.3.12 IfcConnectionSurfaceGeometry
      8.7.3.13 IfcConnectionVolumeGeometry
      8.7.3.14 IfcGridAxis
      8.7.3.15 IfcGridPlacement
      8.7.3.16 IfcLinearPlacement
      8.7.3.17 IfcLocalPlacement
      8.7.3.18 IfcObjectPlacement
      8.7.3.19 IfcVirtualGridIntersection
  8.8 IfcGeometricModelResource
    8.8.1 Schema Definition
    8.8.2 Types
      8.8.2.1 IfcBooleanOperand
      8.8.2.2 IfcBooleanOperator
      8.8.2.3 IfcCsgSelect
      8.8.2.4 IfcGeometricSetSelect
    8.8.3 Entities
      8.8.3.1 IfcAdvancedBrep
      8.8.3.2 IfcAdvancedBrepWithVoids
      8.8.3.3 IfcBlock
      8.8.3.4 IfcBooleanClippingResult
      8.8.3.5 IfcBooleanResult
      8.8.3.6 IfcBoundingBox
      8.8.3.7 IfcBoxedHalfSpace
      8.8.3.8 IfcCartesianPointList
      8.8.3.9 IfcCartesianPointList2D
      8.8.3.10 IfcCartesianPointList3D
      8.8.3.11 IfcCsgPrimitive3D
      8.8.3.12 IfcCsgSolid
      8.8.3.13 IfcExtrudedAreaSolid
      8.8.3.14 IfcExtrudedAreaSolidTapered
      8.8.3.15 IfcFaceBasedSurfaceModel
      8.8.3.16 IfcFacetedBrep
      8.8.3.17 IfcFacetedBrepWithVoids
      8.8.3.18 IfcFixedReferenceSweptAreaSolid
      8.8.3.19 IfcGeometricCurveSet
      8.8.3.20 IfcGeometricSet
      8.8.3.21 IfcHalfSpaceSolid
      8.8.3.22 IfcIndexedPolygonalFace
      8.8.3.23 IfcIndexedPolygonalFaceWithVoids
      8.8.3.24 IfcManifoldSolidBrep
      8.8.3.25 IfcPolygonalBoundedHalfSpace
      8.8.3.26 IfcPolygonalFaceSet
      8.8.3.27 IfcRectangularPyramid
      8.8.3.28 IfcRevolvedAreaSolid
      8.8.3.29 IfcRevolvedAreaSolidTapered
      8.8.3.30 IfcRightCircularCone
      8.8.3.31 IfcRightCircularCylinder
      8.8.3.32 IfcSectionedSolid
      8.8.3.33 IfcSectionedSolidHorizontal
      8.8.3.34 IfcSectionedSpine
      8.8.3.35 IfcSectionedSurface
      8.8.3.36 IfcShellBasedSurfaceModel
      8.8.3.37 IfcSolidModel
      8.8.3.38 IfcSphere
      8.8.3.39 IfcSurfaceCurveSweptAreaSolid
      8.8.3.40 IfcSweptAreaSolid
      8.8.3.41 IfcSweptDiskSolid
      8.8.3.42 IfcSweptDiskSolidPolygonal
      8.8.3.43 IfcTessellatedFaceSet
      8.8.3.44 IfcTessellatedItem
      8.8.3.45 IfcTriangulatedFaceSet
      8.8.3.46 IfcTriangulatedIrregularNetwork
  8.9 IfcGeometryResource
    8.9.1 Schema Definition
    8.9.2 Types
      8.9.2.1 IfcArcIndex
      8.9.2.2 IfcAxis2Placement
      8.9.2.3 IfcBSplineCurveForm
      8.9.2.4 IfcBSplineSurfaceForm
      8.9.2.5 IfcCurveMeasureSelect
      8.9.2.6 IfcCurveOnSurface
      8.9.2.7 IfcDimensionCount
      8.9.2.8 IfcKnotType
      8.9.2.9 IfcLineIndex
      8.9.2.10 IfcPreferredSurfaceCurveRepresentation
      8.9.2.11 IfcSegmentIndexSelect
      8.9.2.12 IfcTransitionCode
      8.9.2.13 IfcTrimmingPreference
      8.9.2.14 IfcTrimmingSelect
      8.9.2.15 IfcVectorOrDirection
    8.9.3 Entities
      8.9.3.1 IfcAxis1Placement
      8.9.3.2 IfcAxis2Placement2D
      8.9.3.3 IfcAxis2Placement3D
      8.9.3.4 IfcAxis2PlacementLinear
      8.9.3.5 IfcBSplineCurve
      8.9.3.6 IfcBSplineCurveWithKnots
      8.9.3.7 IfcBSplineSurface
      8.9.3.8 IfcBSplineSurfaceWithKnots
      8.9.3.9 IfcBlossCurve
      8.9.3.10 IfcBoundaryCurve
      8.9.3.11 IfcBoundedCurve
      8.9.3.12 IfcBoundedSurface
      8.9.3.13 IfcCartesianPoint
      8.9.3.14 IfcCartesianTransformationOperator
      8.9.3.15 IfcCartesianTransformationOperator2D
      8.9.3.16 IfcCartesianTransformationOperator2DnonUniform
      8.9.3.17 IfcCartesianTransformationOperator3D
      8.9.3.18 IfcCartesianTransformationOperator3DnonUniform
      8.9.3.19 IfcCircle
      8.9.3.20 IfcClothoid
      8.9.3.21 IfcCompositeCurve
      8.9.3.22 IfcCompositeCurveOnSurface
      8.9.3.23 IfcCompositeCurveSegment
      8.9.3.24 IfcConic
      8.9.3.25 IfcCosine
      8.9.3.26 IfcCurve
      8.9.3.27 IfcCurveBoundedPlane
      8.9.3.28 IfcCurveBoundedSurface
      8.9.3.29 IfcCurveSegment
      8.9.3.30 IfcCylindricalSurface
      8.9.3.31 IfcDirection
      8.9.3.32 IfcDirectrixCurveSweptAreaSolid
      8.9.3.33 IfcElementarySurface
      8.9.3.34 IfcEllipse
      8.9.3.35 IfcGeometricRepresentationItem
      8.9.3.36 IfcGradientCurve
      8.9.3.37 IfcHelmertCurve
      8.9.3.38 IfcIndexedPolyCurve
      8.9.3.39 IfcIntersectionCurve
      8.9.3.40 IfcLine
      8.9.3.41 IfcMappedItem
      8.9.3.42 IfcOffsetCurve
      8.9.3.43 IfcOffsetCurve2D
      8.9.3.44 IfcOffsetCurve3D
      8.9.3.45 IfcOffsetCurveByDistances
      8.9.3.46 IfcOuterBoundaryCurve
      8.9.3.47 IfcPcurve
      8.9.3.48 IfcPlacement
      8.9.3.49 IfcPlane
      8.9.3.50 IfcPoint
      8.9.3.51 IfcPointByDistanceExpression
      8.9.3.52 IfcPointOnCurve
      8.9.3.53 IfcPointOnSurface
      8.9.3.54 IfcPolyline
      8.9.3.55 IfcPolynomialCurve
      8.9.3.56 IfcRationalBSplineCurveWithKnots
      8.9.3.57 IfcRationalBSplineSurfaceWithKnots
      8.9.3.58 IfcRectangularTrimmedSurface
      8.9.3.59 IfcReparametrisedCompositeCurveSegment
      8.9.3.60 IfcRepresentationItem
      8.9.3.61 IfcRepresentationMap
      8.9.3.62 IfcSeamCurve
      8.9.3.63 IfcSegment
      8.9.3.64 IfcSegmentedReferenceCurve
      8.9.3.65 IfcSine
      8.9.3.66 IfcSphericalSurface
      8.9.3.67 IfcSpiral
      8.9.3.68 IfcSurface
      8.9.3.69 IfcSurfaceCurve
      8.9.3.70 IfcSurfaceOfLinearExtrusion
      8.9.3.71 IfcSurfaceOfRevolution
      8.9.3.72 IfcSweptSurface
      8.9.3.73 IfcToroidalSurface
      8.9.3.74 IfcTrimmedCurve
      8.9.3.75 IfcVector
      8.9.3.76 IfcVienneseBend
  8.10 IfcMaterialResource
    8.10.1 Schema Definition
    8.10.2 Types
      8.10.2.1 IfcCardinalPointReference
      8.10.2.2 IfcDirectionSenseEnum
      8.10.2.3 IfcLayerSetDirectionEnum
      8.10.2.4 IfcMaterialSelect
    8.10.3 Entities
      8.10.3.1 IfcMaterial
      8.10.3.2 IfcMaterialClassificationRelationship
      8.10.3.3 IfcMaterialConstituent
      8.10.3.4 IfcMaterialConstituentSet
      8.10.3.5 IfcMaterialDefinition
      8.10.3.6 IfcMaterialLayer
      8.10.3.7 IfcMaterialLayerSet
      8.10.3.8 IfcMaterialLayerSetUsage
      8.10.3.9 IfcMaterialLayerWithOffsets
      8.10.3.10 IfcMaterialList
      8.10.3.11 IfcMaterialProfile
      8.10.3.12 IfcMaterialProfileSet
      8.10.3.13 IfcMaterialProfileSetUsage
      8.10.3.14 IfcMaterialProfileSetUsageTapering
      8.10.3.15 IfcMaterialProfileWithOffsets
      8.10.3.16 IfcMaterialProperties
      8.10.3.17 IfcMaterialRelationship
      8.10.3.18 IfcMaterialUsageDefinition
  8.11 IfcMeasureResource
    8.11.1 Schema Definition
    8.11.2 Types
      8.11.2.1 IfcAbsorbedDoseMeasure
      8.11.2.2 IfcAccelerationMeasure
      8.11.2.3 IfcAmountOfSubstanceMeasure
      8.11.2.4 IfcAngularVelocityMeasure
      8.11.2.5 IfcAreaDensityMeasure
      8.11.2.6 IfcAreaMeasure
      8.11.2.7 IfcBinary
      8.11.2.8 IfcBoolean
      8.11.2.9 IfcComplexNumber
      8.11.2.10 IfcCompoundPlaneAngleMeasure
      8.11.2.11 IfcContextDependentMeasure
      8.11.2.12 IfcCountMeasure
      8.11.2.13 IfcCurvatureMeasure
      8.11.2.14 IfcDerivedMeasureValue
      8.11.2.15 IfcDerivedUnitEnum
      8.11.2.16 IfcDescriptiveMeasure
      8.11.2.17 IfcDoseEquivalentMeasure
      8.11.2.18 IfcDynamicViscosityMeasure
      8.11.2.19 IfcElectricCapacitanceMeasure
      8.11.2.20 IfcElectricChargeMeasure
      8.11.2.21 IfcElectricConductanceMeasure
      8.11.2.22 IfcElectricCurrentMeasure
      8.11.2.23 IfcElectricResistanceMeasure
      8.11.2.24 IfcElectricVoltageMeasure
      8.11.2.25 IfcEnergyMeasure
      8.11.2.26 IfcForceMeasure
      8.11.2.27 IfcFrequencyMeasure
      8.11.2.28 IfcHeatFluxDensityMeasure
      8.11.2.29 IfcHeatingValueMeasure
      8.11.2.30 IfcIdentifier
      8.11.2.31 IfcIlluminanceMeasure
      8.11.2.32 IfcInductanceMeasure
      8.11.2.33 IfcInteger
      8.11.2.34 IfcIntegerCountRateMeasure
      8.11.2.35 IfcIonConcentrationMeasure
      8.11.2.36 IfcIsothermalMoistureCapacityMeasure
      8.11.2.37 IfcKinematicViscosityMeasure
      8.11.2.38 IfcLabel
      8.11.2.39 IfcLengthMeasure
      8.11.2.40 IfcLinearForceMeasure
      8.11.2.41 IfcLinearMomentMeasure
      8.11.2.42 IfcLinearStiffnessMeasure
      8.11.2.43 IfcLinearVelocityMeasure
      8.11.2.44 IfcLogical
      8.11.2.45 IfcLuminousFluxMeasure
      8.11.2.46 IfcLuminousIntensityDistributionMeasure
      8.11.2.47 IfcLuminousIntensityMeasure
      8.11.2.48 IfcMagneticFluxDensityMeasure
      8.11.2.49 IfcMagneticFluxMeasure
      8.11.2.50 IfcMassDensityMeasure
      8.11.2.51 IfcMassFlowRateMeasure
      8.11.2.52 IfcMassMeasure
      8.11.2.53 IfcMassPerLengthMeasure
      8.11.2.54 IfcMeasureValue
      8.11.2.55 IfcModulusOfElasticityMeasure
      8.11.2.56 IfcModulusOfLinearSubgradeReactionMeasure
      8.11.2.57 IfcModulusOfRotationalSubgradeReactionMeasure
      8.11.2.58 IfcModulusOfSubgradeReactionMeasure
      8.11.2.59 IfcMoistureDiffusivityMeasure
      8.11.2.60 IfcMolecularWeightMeasure
      8.11.2.61 IfcMomentOfInertiaMeasure
      8.11.2.62 IfcMonetaryMeasure
      8.11.2.63 IfcNonNegativeLengthMeasure
      8.11.2.64 IfcNormalisedRatioMeasure
      8.11.2.65 IfcNumericMeasure
      8.11.2.66 IfcPHMeasure
      8.11.2.67 IfcParameterValue
      8.11.2.68 IfcPlanarForceMeasure
      8.11.2.69 IfcPlaneAngleMeasure
      8.11.2.70 IfcPositiveInteger
      8.11.2.71 IfcPositiveLengthMeasure
      8.11.2.72 IfcPositivePlaneAngleMeasure
      8.11.2.73 IfcPositiveRatioMeasure
      8.11.2.74 IfcPowerMeasure
      8.11.2.75 IfcPressureMeasure
      8.11.2.76 IfcRadioActivityMeasure
      8.11.2.77 IfcRatioMeasure
      8.11.2.78 IfcReal
      8.11.2.79 IfcRotationalFrequencyMeasure
      8.11.2.80 IfcRotationalMassMeasure
      8.11.2.81 IfcRotationalStiffnessMeasure
      8.11.2.82 IfcSIPrefix
      8.11.2.83 IfcSIUnitName
      8.11.2.84 IfcSectionModulusMeasure
      8.11.2.85 IfcSectionalAreaIntegralMeasure
      8.11.2.86 IfcShearModulusMeasure
      8.11.2.87 IfcSimpleValue
      8.11.2.88 IfcSolidAngleMeasure
      8.11.2.89 IfcSoundPowerLevelMeasure
      8.11.2.90 IfcSoundPowerMeasure
      8.11.2.91 IfcSoundPressureLevelMeasure
      8.11.2.92 IfcSoundPressureMeasure
      8.11.2.93 IfcSpecificHeatCapacityMeasure
      8.11.2.94 IfcTemperatureGradientMeasure
      8.11.2.95 IfcTemperatureRateOfChangeMeasure
      8.11.2.96 IfcText
      8.11.2.97 IfcThermalAdmittanceMeasure
      8.11.2.98 IfcThermalConductivityMeasure
      8.11.2.99 IfcThermalExpansionCoefficientMeasure
      8.11.2.100 IfcThermalResistanceMeasure
      8.11.2.101 IfcThermalTransmittanceMeasure
      8.11.2.102 IfcThermodynamicTemperatureMeasure
      8.11.2.103 IfcTimeMeasure
      8.11.2.104 IfcTorqueMeasure
      8.11.2.105 IfcUnit
      8.11.2.106 IfcUnitEnum
      8.11.2.107 IfcValue
      8.11.2.108 IfcVaporPermeabilityMeasure
      8.11.2.109 IfcVolumeMeasure
      8.11.2.110 IfcVolumetricFlowRateMeasure
      8.11.2.111 IfcWarpingConstantMeasure
      8.11.2.112 IfcWarpingMomentMeasure
    8.11.3 Entities
      8.11.3.1 IfcContextDependentUnit
      8.11.3.2 IfcConversionBasedUnit
      8.11.3.3 IfcConversionBasedUnitWithOffset
      8.11.3.4 IfcDerivedUnit
      8.11.3.5 IfcDerivedUnitElement
      8.11.3.6 IfcDimensionalExponents
      8.11.3.7 IfcMeasureWithUnit
      8.11.3.8 IfcMonetaryUnit
      8.11.3.9 IfcNamedUnit
      8.11.3.10 IfcSIUnit
      8.11.3.11 IfcUnitAssignment
  8.12 IfcPresentationAppearanceResource
    8.12.1 Schema Definition
    8.12.2 Types
      8.12.2.1 IfcColour
      8.12.2.2 IfcColourOrFactor
      8.12.2.3 IfcCurveFontOrScaledCurveFontSelect
      8.12.2.4 IfcCurveStyleFontSelect
      8.12.2.5 IfcFillStyleSelect
      8.12.2.6 IfcFontStyle
      8.12.2.7 IfcFontVariant
      8.12.2.8 IfcFontWeight
      8.12.2.9 IfcHatchLineDistanceSelect
      8.12.2.10 IfcPresentableText
      8.12.2.11 IfcReflectanceMethodEnum
      8.12.2.12 IfcSizeSelect
      8.12.2.13 IfcSpecularExponent
      8.12.2.14 IfcSpecularHighlightSelect
      8.12.2.15 IfcSpecularRoughness
      8.12.2.16 IfcSurfaceSide
      8.12.2.17 IfcSurfaceStyleElementSelect
      8.12.2.18 IfcTextAlignment
      8.12.2.19 IfcTextDecoration
      8.12.2.20 IfcTextFontName
      8.12.2.21 IfcTextFontSelect
      8.12.2.22 IfcTextTransformation
    8.12.3 Entities
      8.12.3.1 IfcBlobTexture
      8.12.3.2 IfcColourRgb
      8.12.3.3 IfcColourRgbList
      8.12.3.4 IfcColourSpecification
      8.12.3.5 IfcCurveStyle
      8.12.3.6 IfcCurveStyleFont
      8.12.3.7 IfcCurveStyleFontAndScaling
      8.12.3.8 IfcCurveStyleFontPattern
      8.12.3.9 IfcDraughtingPreDefinedColour
      8.12.3.10 IfcDraughtingPreDefinedCurveFont
      8.12.3.11 IfcExternallyDefinedHatchStyle
      8.12.3.12 IfcExternallyDefinedSurfaceStyle
      8.12.3.13 IfcExternallyDefinedTextFont
      8.12.3.14 IfcFillAreaStyle
      8.12.3.15 IfcFillAreaStyleHatching
      8.12.3.16 IfcFillAreaStyleTiles
      8.12.3.17 IfcImageTexture
      8.12.3.18 IfcIndexedColourMap
      8.12.3.19 IfcIndexedTextureMap
      8.12.3.20 IfcIndexedTriangleTextureMap
      8.12.3.21 IfcPixelTexture
      8.12.3.22 IfcPreDefinedColour
      8.12.3.23 IfcPreDefinedCurveFont
      8.12.3.24 IfcPreDefinedItem
      8.12.3.25 IfcPreDefinedTextFont
      8.12.3.26 IfcPresentationStyle
      8.12.3.27 IfcStyledItem
      8.12.3.28 IfcSurfaceStyle
      8.12.3.29 IfcSurfaceStyleLighting
      8.12.3.30 IfcSurfaceStyleRefraction
      8.12.3.31 IfcSurfaceStyleRendering
      8.12.3.32 IfcSurfaceStyleShading
      8.12.3.33 IfcSurfaceStyleWithTextures
      8.12.3.34 IfcSurfaceTexture
      8.12.3.35 IfcTextStyle
      8.12.3.36 IfcTextStyleFontModel
      8.12.3.37 IfcTextStyleForDefinedFont
      8.12.3.38 IfcTextStyleTextModel
      8.12.3.39 IfcTextureCoordinate
      8.12.3.40 IfcTextureCoordinateGenerator
      8.12.3.41 IfcTextureMap
      8.12.3.42 IfcTextureVertex
      8.12.3.43 IfcTextureVertexList
  8.13 IfcPresentationDefinitionResource
    8.13.1 Schema Definition
    8.13.2 Types
      8.13.2.1 IfcBoxAlignment
      8.13.2.2 IfcTextPath
    8.13.3 Entities
      8.13.3.1 IfcAnnotationFillArea
      8.13.3.2 IfcPlanarBox
      8.13.3.3 IfcPlanarExtent
      8.13.3.4 IfcPresentationItem
      8.13.3.5 IfcTextLiteral
      8.13.3.6 IfcTextLiteralWithExtent
  8.14 IfcPresentationOrganizationResource
    8.14.1 Schema Definition
    8.14.2 Types
      8.14.2.1 IfcLayeredItem
      8.14.2.2 IfcLightDistributionCurveEnum
      8.14.2.3 IfcLightDistributionDataSourceSelect
      8.14.2.4 IfcLightEmissionSourceEnum
    8.14.3 Entities
      8.14.3.1 IfcLightDistributionData
      8.14.3.2 IfcLightIntensityDistribution
      8.14.3.3 IfcLightSource
      8.14.3.4 IfcLightSourceAmbient
      8.14.3.5 IfcLightSourceDirectional
      8.14.3.6 IfcLightSourceGoniometric
      8.14.3.7 IfcLightSourcePositional
      8.14.3.8 IfcLightSourceSpot
      8.14.3.9 IfcPresentationLayerAssignment
      8.14.3.10 IfcPresentationLayerWithStyle
  8.15 IfcProfileResource
    8.15.1 Schema Definition
    8.15.2 Types
      8.15.2.1 IfcProfileTypeEnum
      8.15.2.2 IfcReinforcingBarRoleEnum
      8.15.2.3 IfcReinforcingBarSurfaceEnum
      8.15.2.4 IfcSectionTypeEnum
    8.15.3 Entities
      8.15.3.1 IfcArbitraryClosedProfileDef
      8.15.3.2 IfcArbitraryOpenProfileDef
      8.15.3.3 IfcArbitraryProfileDefWithVoids
      8.15.3.4 IfcAsymmetricIShapeProfileDef
      8.15.3.5 IfcCShapeProfileDef
      8.15.3.6 IfcCenterLineProfileDef
      8.15.3.7 IfcCircleHollowProfileDef
      8.15.3.8 IfcCircleProfileDef
      8.15.3.9 IfcCompositeProfileDef
      8.15.3.10 IfcDerivedProfileDef
      8.15.3.11 IfcEllipseProfileDef
      8.15.3.12 IfcIShapeProfileDef
      8.15.3.13 IfcLShapeProfileDef
      8.15.3.14 IfcMirroredProfileDef
      8.15.3.15 IfcOpenCrossProfileDef
      8.15.3.16 IfcParameterizedProfileDef
      8.15.3.17 IfcProfileDef
      8.15.3.18 IfcProfileProperties
      8.15.3.19 IfcRectangleHollowProfileDef
      8.15.3.20 IfcRectangleProfileDef
      8.15.3.21 IfcReinforcementBarProperties
      8.15.3.22 IfcRoundedRectangleProfileDef
      8.15.3.23 IfcSectionProperties
      8.15.3.24 IfcSectionReinforcementProperties
      8.15.3.25 IfcTShapeProfileDef
      8.15.3.26 IfcTrapeziumProfileDef
      8.15.3.27 IfcUShapeProfileDef
      8.15.3.28 IfcZShapeProfileDef
  8.16 IfcPropertyResource
    8.16.1 Schema Definition
    8.16.2 Types
      8.16.2.1 IfcCurveInterpolationEnum
      8.16.2.2 IfcObjectReferenceSelect
    8.16.3 Entities
      8.16.3.1 IfcComplexProperty
      8.16.3.2 IfcExtendedProperties
      8.16.3.3 IfcPreDefinedProperties
      8.16.3.4 IfcProperty
      8.16.3.5 IfcPropertyAbstraction
      8.16.3.6 IfcPropertyBoundedValue
      8.16.3.7 IfcPropertyDependencyRelationship
      8.16.3.8 IfcPropertyEnumeratedValue
      8.16.3.9 IfcPropertyEnumeration
      8.16.3.10 IfcPropertyListValue
      8.16.3.11 IfcPropertyReferenceValue
      8.16.3.12 IfcPropertySingleValue
      8.16.3.13 IfcPropertyTableValue
      8.16.3.14 IfcSimpleProperty
  8.17 IfcQuantityResource
    8.17.1 Schema Definition
    8.17.2 Types
    8.17.3 Entities
      8.17.3.1 IfcPhysicalComplexQuantity
      8.17.3.2 IfcPhysicalQuantity
      8.17.3.3 IfcPhysicalSimpleQuantity
      8.17.3.4 IfcQuantityArea
      8.17.3.5 IfcQuantityCount
      8.17.3.6 IfcQuantityLength
      8.17.3.7 IfcQuantityTime
      8.17.3.8 IfcQuantityVolume
      8.17.3.9 IfcQuantityWeight
  8.18 IfcRepresentationResource
    8.18.1 Schema Definition
    8.18.2 Types
      8.18.2.1 IfcCoordinateReferenceSystemSelect
      8.18.2.2 IfcGeometricProjectionEnum
      8.18.2.3 IfcGlobalOrLocalEnum
      8.18.2.4 IfcProductRepresentationSelect
    8.18.3 Entities
      8.18.3.1 IfcCoordinateOperation
      8.18.3.2 IfcCoordinateReferenceSystem
      8.18.3.3 IfcGeometricRepresentationContext
      8.18.3.4 IfcGeometricRepresentationSubContext
      8.18.3.5 IfcMapConversion
      8.18.3.6 IfcMaterialDefinitionRepresentation
      8.18.3.7 IfcProductDefinitionShape
      8.18.3.8 IfcProductRepresentation
      8.18.3.9 IfcProjectedCRS
      8.18.3.10 IfcRepresentation
      8.18.3.11 IfcRepresentationContext
      8.18.3.12 IfcShapeAspect
      8.18.3.13 IfcShapeModel
      8.18.3.14 IfcShapeRepresentation
      8.18.3.15 IfcStyleModel
      8.18.3.16 IfcStyledRepresentation
      8.18.3.17 IfcTopologyRepresentation
  8.19 IfcStructuralLoadResource
    8.19.1 Schema Definition
    8.19.2 Types
      8.19.2.1 IfcModulusOfRotationalSubgradeReactionSelect
      8.19.2.2 IfcModulusOfSubgradeReactionSelect
      8.19.2.3 IfcModulusOfTranslationalSubgradeReactionSelect
      8.19.2.4 IfcRotationalStiffnessSelect
      8.19.2.5 IfcTranslationalStiffnessSelect
      8.19.2.6 IfcWarpingStiffnessSelect
    8.19.3 Entities
      8.19.3.1 IfcBoundaryCondition
      8.19.3.2 IfcBoundaryEdgeCondition
      8.19.3.3 IfcBoundaryFaceCondition
      8.19.3.4 IfcBoundaryNodeCondition
      8.19.3.5 IfcBoundaryNodeConditionWarping
      8.19.3.6 IfcFailureConnectionCondition
      8.19.3.7 IfcSlippageConnectionCondition
      8.19.3.8 IfcStructuralConnectionCondition
      8.19.3.9 IfcStructuralLoad
      8.19.3.10 IfcStructuralLoadConfiguration
      8.19.3.11 IfcStructuralLoadLinearForce
      8.19.3.12 IfcStructuralLoadOrResult
      8.19.3.13 IfcStructuralLoadPlanarForce
      8.19.3.14 IfcStructuralLoadSingleDisplacement
      8.19.3.15 IfcStructuralLoadSingleDisplacementDistortion
      8.19.3.16 IfcStructuralLoadSingleForce
      8.19.3.17 IfcStructuralLoadSingleForceWarping
      8.19.3.18 IfcStructuralLoadStatic
      8.19.3.19 IfcStructuralLoadTemperature
      8.19.3.20 IfcSurfaceReinforcementArea
  8.20 IfcTopologyResource
    8.20.1 Schema Definition
    8.20.2 Types
      8.20.2.1 IfcShell
    8.20.3 Entities
      8.20.3.1 IfcAdvancedFace
      8.20.3.2 IfcClosedShell
      8.20.3.3 IfcConnectedFaceSet
      8.20.3.4 IfcEdge
      8.20.3.5 IfcEdgeCurve
      8.20.3.6 IfcEdgeLoop
      8.20.3.7 IfcFace
      8.20.3.8 IfcFaceBound
      8.20.3.9 IfcFaceOuterBound
      8.20.3.10 IfcFaceSurface
      8.20.3.11 IfcLoop
      8.20.3.12 IfcOpenShell
      8.20.3.13 IfcOrientedEdge
      8.20.3.14 IfcPath
      8.20.3.15 IfcPolyLoop
      8.20.3.16 IfcSubedge
      8.20.3.17 IfcTopologicalRepresentationItem
      8.20.3.18 IfcVertex
      8.20.3.19 IfcVertexLoop
      8.20.3.20 IfcVertexPoint
  8.21 IfcUtilityResource
    8.21.1 Schema Definition
    8.21.2 Types
      8.21.2.1 IfcChangeActionEnum
      8.21.2.2 IfcGloballyUniqueId
      8.21.2.3 IfcStateEnum
    8.21.3 Entities
      8.21.3.1 IfcApplication
      8.21.3.2 IfcOwnerHistory
      8.21.3.3 IfcTable
      8.21.3.4 IfcTableColumn
      8.21.3.5 IfcTableRow