Changelog

Properties Generator v 1.1

The NATSPEC BIM Properties Generator was updated in October 2018, May 2019 and October 2019 with minor updates. The minor updates included in this V1.1 are listed below:

- The value for the property of ‘NATSPECVersion’ in the Excel export was updated to ‘Oct-18’ from ‘Apr-18’, again to 'Apr-19' from 'Oct-18' and again to 'Oct-19' from 'Apr 19' for all objects and all NATSPEC worksections/classifications.

- The value for the property of ‘Uniclass2015ElementsVersion’ in the Excel export was updated to ‘1.3’ from ‘1.2’, again to '1.5' from '1.3' and again to '1.6' from '1.5' for all objects and all Uniclass Elements classifications.

- The value for the property of ‘Uniclass2015SystemsVersion’ in the Excel export was updated to ‘1.11’ from ‘1.9’, again to '1.14' from '1.11' and again to '1.15' from '1.14' for all objects and all Uniclass Systems classifications.

- The value for the property of ‘Uniclass2015ProductsVersion’ in the Excel export was updated to ‘1.11’ from ‘1.9’, again to '1.14' from '1.11' and again to '1.15' from '1.14' for all objects and all Uniclass Products classifications.

- The value for the property of ‘MasterformatVersion’ in the Excel export has been updated to ‘2018’ from ‘2016’ for all objects and all Masterformat classifications.

- All objects that previously had the Uniclass Elements classifications of 'EF_20_20 : Beams' and 'EF_20_30 : Columns' updated to 'EF_20_10 : Superstructure'.

- The Masterformat classification of  '12 64 16 : Tables' was added to the 'Table' object.

- The objects of ‘Flat skylight’ and ‘Sloped skylight’ include the revised Uniclass Systems classification of ‘Ss_30_30_72: Rooflight and roof window systems’, previously titled ‘Ss_30_30_72: Rooflight and window systems’.

- The descriptions for the properties of 'ModelLabel' and 'ModelReference' have been updated to reflect the descriptions included in the IFC schemas (i.e. Different property descriptions now given for IFC4 and IFC 2x3).

- The properties of ‘Manufacturer’, ‘SerialNumber’ and ‘BarCode’ now also assigned to the COBie property source.

- The objects of ‘Beam’, ‘Joist’, ‘Lintel’, ‘Spandrel’, ‘T or L Beam’, ‘Hollowcore Plank’, ‘Rafter’, ‘Purlin’, ‘Truss Chord’, ‘Truss Strut’, ‘Truss Tie (Brace)’, ‘Undefined Truss Member’ and ‘Column’ had the following IfcElementQuantity properties added to the IFC 2x3 source: ‘NominalLength’, ‘CrossSectionArea’, ‘OuterSurfaceArea’, ‘TotalSurfaceArea’, ‘GrossVolume’, ‘NetVolume’, ‘GrossWeight’ and ‘NetWeight’.

- The objects of ‘Floor Slab’, ‘Landing Slab’, ‘Roof Slab’ and ‘Slab on Ground’ had the following IfcElementQuantity properties added to the IFC 2x3 source: ‘NominalWidth’, ‘Perimeter’, ‘GrossArea’, ‘NetArea’, ‘GrossVolume’, ‘NetVolume’, ‘GrossWeight’ and ‘NetWeight’.

- The objects of ‘Load Bearing Solid Wall’, ‘Load Bearing Stud Wall’, ‘Non-Load Bearing Wall’, ‘Parapet’ and ‘Removable Partition’ had the following IfcElementQuantity properties added to the IFC 2x3 source: ‘NominalLength’‘NominalWidth’, ‘NominalHeight’, ‘GrossFootprintArea’, ‘NetFootprintArea’, ‘GrossSideArea’, ‘NetSideArea’, GrossSideAreaLeft’, ‘NetSideAreaLeft, GrossSideAreaRight’, ‘NetSideAreaRight, ‘GrossVolume’ and ‘NetVolume’.

- The objects of ‘Barrel Roof’, ‘Butterfly Roof’, ‘Dome Roof’, ‘Flat Roof’, ‘Freeform  Roof’, ‘Gable Roof’, ‘Gambrel Roof’, ‘Gothic Arch Roof’, ‘Hip Roof’, ‘Hipped Gable Roof’, ‘Mansard Roof’, ‘Pavilion Roof’, ‘Single Slope Roof’ and ‘Undefined Roof Form’ had the following IfcElementQuantity property added to the IFC 2x3 source: TotalSurfaceArea.