Create a project specific configuration file.
Refer to About IFC 4.3 Extension for Civil 3D Configuration Files for details regarding the search path, merged settings files, and override settings used with IFC Export and Import commands. You can also refer to the buildingSMART IFC 4.3 documentation on objects, attributes, and relationships. IFC4.3 is published at https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/ .
To create a project specific IfcInfraConfiguration.json file
IFC Infrastructure panel
IFC Infrastructure
Save Config
.
The following sections define the settings in the IfcInfraConfiguration.json file that can be edited for your project.