{
    "Estructura": {
        "DD": {
            "IfcBuilding": {
                "NDI-3": {
                    "Atributos": [
                        "BuildingAddress",
                        "ElevationOfRefHeight",
                        "Description",
                        "Name",
                        "LongName"
                    ],
                    "Propiedades": {
                        "Qto_BuildingBaseQuantities": [
                            "Height",
                            "GrossFloorArea",
                            "GrossVolume"
                        ],
                        "Pset_BuildingCommon": [
                            "GrossPlannedArea",
                            "NetPlannedArea",
                            "IsLandMarked",
                            "BuildingID",
                            "OccupancyType",
                            "NumberOfStoreys",
                            "FireProtectionClass"
                        ],
                        "Pset_BuildingUse": [
                            "MarketCategory",
                            "MarketSubCategory"
                        ]
                    }
                }
            },
            "IfcSite": {
                "NDI-2": {
                    "Atributos": [
                        "RefElevation",
                        "SiteAddress",
                        "RefLatitud",
                        "RefLongitud",
                        "Description",
                        "Name"
                    ],
                    "Propiedades": {
                        "Qto_SiteBaseQuantities": [
                            "GrossArea",
                            "GrossPerimeter"
                        ],
                        "Pset_SiteCommon": [
                            "BuildingHeightLimit",
                            "SeismicClassification",
                            "BuildableArea",
                            "HazardConditions",
                            "ArcheologicalData"
                        ],
                        "Pset_PropertyAgreement": [
                            "Restrictions"
                        ],
                        "Pset_LandRegistration": [
                            "LandTitleID"
                        ]
                    }
                }
            },
            "IfcCivilElement": {
                "NDI-1": {
                    "Atributos": [
                        "Name",
                        "Description"
                    ],
                    "Propiedades": {
                    }
                }
            },          
            "IfcFooting": {
                "NDI-2": {
                    "Atributos": [
                        "PredefinedType",
                        "Name",
                        "Description"
                    ],
                    "Propiedades": {
                        "Qto_FootingBaseQuantities": [
                            "Length",
                            "Width",
                            "Height",
                            "CrossSectionArea",
                            "GrossVolume"
                        ],
                        "Pset_FootingCommon": [
                            "Status",
                            "LoadBearing"
                        ],
                        "COBie_Asset": [
                            "Status",
                            "LoadBearing"
                        ]
                    }
                }
            },
            "IfcColumn": {
                "NDI-3": {
                    "Atributos": [
                        "Description",
                        "Name"
                    ],
                    "Propiedades": {
                        "Qto_ColumnBaseQuantities": [
                            "CrossSectionArea",
                            "OuterSurfaceArea",
                            "Length",
                            "GrossVolume",
                            "NetWeight"
                        ],
                        "Pset_ColumnCommon": [
                            "Status",
                            "IsExternal",
                            "FireRating",
                            "LoadBearing",
                            "ThermalTransmittance",
                            "Slope"
                        ],
                        "COBie_Asset": [
                            "AssetType"
                        ]
                    }
                }
            },
            "IfcBeam": {
                "NDI-3": {
                    "Atributos": [
                        "PredefinedType",
                        "Name"
                    ],
                    "Propiedades": {
                        "Qto_BeamBaseQuantities": [
                            "Length",
                            "GrossSurfaceArea",
                            "GrossVolume",
                            "CrossSectionArea",
                            "OuterSurfaceArea"
                        ],
                        "Pset_BeamCommon": [
                            "Status",
                            "IsExternal",
                            "FireRating",
                            "ThermalTransmittance",
                            "LoadBearing",
                            "Slope"
                        ]
                    }
                }
            },
            "IfcSlab": {
                "NDI-3": {
                    "Atributos": [
                        "PredefinedType",
                        "Name",
                        "Description"
                    ],
                    "Propiedades": {
                        "Qto_SlabBaseQuantities": [
                            "GrossSurfaceArea",
                            "Width",
                            "Depth",
                            "Perimeter",
                            "GrossVolume",
                            "GrossWeight"
                        ],
                        "Pset_SlabCommon": [
                            "FireRating",
                            "IsExternal",
                            "LoadBearing",
                            "ThermalTransmittance",
                            "Status",
                            "PitchAngle",
                            "AcousticRating",
                            "Combustible",
                            "Compartmentation"
                        ],
                        "Pset_PrecastSlab": [
                            "NominalThickness"
                        ],
                        "COBie_Asset": [
                            "AssetType"
                        ]
                    }
                }
            },
            "IfcWall": {
                "NDI-3": {
                    "Atributos": [
                        "PredefinedType",
                        "Name",
                        "Description"
                    ],
                    "Propiedades": {
                        "Qto_WallBaseQuantities": [
                            "Height",
                            "GrossFootprintArea",
                            "Width",
                            "GrossSideArea",
                            "Length",
                            "GrossVolume",
                            "GrossWeight"
                        ],
                        "Pset_WallCommon": [
                            "FireRating",
                            "IsExternal",
                            "LoadBearing",
                            "ThermalTransmittance",
                            "Status",
                            "AcousticRating",
                            "Combustible",
                            "Compartmentation"
                        ],
                        "COBie_Asset": [
                            "AssetType"
                        ]
                    }
                }
            },
            "IfcCurtainWall": {
                "NDI-3": {
                    "Atributos": [
                        "PredefinedType",
                        "Name",
                        "Description"
                    ],
                    "Propiedades": {
                        "Qto_CurtainWallBaseQuantities": [
                            "Height",
                            "GrossSideArea",
                            "Width",
                            "Length"
                        ],
                        "Pset_CurtainWallCommon": [
                            "FireRating",
                            "IsExternal",
                            "ThermalTransmittance",
                            "Status",
                            "AcousticRating",
                            "Combustible"
                        ],
                        "COBie_Asset": [
                            "AssetType"
                        ]
                    }
                }
            },
            "IfcRoof": {
                "NDI-3": {
                    "Atributos": [
                        "PredefinedType",
                        "Name",
                        "Description"
                    ],
                    "Propiedades": {
                        "Qto_RoofBaseQUantities": [
                            "GrossArea",
                            "GrossPerimeter"
                        ],
                        "Pset_RoofCommon": [
                            "FireRating",
                            "IsExternal",
                            "ThermalTransmittance",
                            "LoadBearing",
                            "AcousticRating"
                        ],
                        "COBie_Asset": [
                            "AssetType"
                        ]                        
                    }
                }
            },
            "IfcTransportElement": {
                "NDI-3": {
                    "Atributos": [
                        "PredefinedType",
                        "Name"
                    ],
                    "Propiedades": {
                        "Pset_TransportElementCommon": [
                            "Status",
                            "CapacityPeople",
                            "FireExit"
                        ],
                        "COBie_Specification": [
                            "Shape",
                            "Color",
                            "Size",
                            "Material"
                        ],
                        "COBie_Asset": [
                            "AssetType"
                        ]
                    }
                }
            },
            "IfcStair": {
                "NDI-3": {
                    "Atributos": [
                        "PredefinedType",
                        "Name",
                        "Description"
                    ],
                    "Propiedades": {
                        "Qto_StairFlightBaseQuantities": [
                            "Length",
                            "GrossVolume"
                        ],
                        "Pset_StairCommon": [
                            "FireRating",
                            "IsExternal",
                            "LoadBearing",
                            "Width",
                            "ThermalTransmittance",
                            "Status",
                            "NumberOfTreads",
                            "NosingLength",
                            "TreadLength",
                            "RiserHeight",
                            "RequiredHeadroom",
                            "NumberOfRiser",
                            "HandicapAccessible",
                            "HasNonSkidSurface",
                            "FireExit"
                        ],
                        "COBie_Asset": [
                            "AssetType"
                        ]                        
                    }
                }
            },
            "IfcRamp": {
                "NDI-3": {
                    "Atributos": [
                        "PredefinedType",
                        "Name",
                        "Description"
                    ],
                    "Propiedades": {
                        "Qto_RampFlightBaseQuantities": [
                            "GrossSurfaceArea",
                            "Width",
                            "Length",
                            "GrossVolume"
                        ],
                        "Pset_RampCommon": [
                            "FireRating",
                            "IsExternal",
                            "LoadBearing",
                            "ThermalTransmittance",
                            "Status",
                            "RequiredSlope",
                            "RequiredHeadroom",
                            "HandicapAccessible",
                            "HasNonSkidSurface",
                            "FireExit"
                        ],
                        "COBie_Asset": [
                            "AssetType"
                        ]   
                    }
                }
            },
            "IfcElementAssembly": {
                "NDI-2": {
                    "Atributos": [
                        "PredefinedType",
                        "Name"
                    ],
                    "Propiedades": {
                        "COBie_Specification": [
                            "Material"
                        ]
                    }
                }
            }
        }
    }
}