Product(s):	OpenBuildings Designer (and AECOsim Building Designer)
	Version(s):	CONNECT Edition and V8i
	Area:	Import/Export
	Subarea:	IFC

OpenBuildings Designer’s Floor Manager is used for two primary purposes.

• to help coordinate the vertical construction plans within either a single building or a multiple building project or campus
• to help coordinate or apply construction grids.

When IFC_WORKSET is set appropriately, it also contains properties that populate the IFC hierarchy for project, site, building and building storey using ifcProject, ifcSite, ifcBuilding, ifcBuildingStorey, illustrated by the following screenshots, properties added from IFC Psets are outlined. Values can be added/edited for as many or as few properties as required .

Project

Note that Project Name and Project Description can be different: 

Site

Note that Site Name and Site Description can be different: 

Building

Note that Building Name and Building Description can be different: 

Floor

Note that Building Name and Building Description can be different. Additionally Gross and Net floor areas (1) can be entered here for output to IFC GrossAreaPlanned and NetAreaPlanned respectively (2).

The Floor Parameters, length and width (3) can be ignored, they refer only to the dimensions of the reference plane elements used by Floor Management tools.

Storey Assignment

OpenBuildings Designer uses a federated file approach to modelling often linking multiple files together; we therefore allow users to associate file contents with specific storey assignments at the time of export using the spatial assignment dialog

This can be seen in viewers such as Solibri as it is present on an element:

Results in IFC

Looking at the IFC file via a text viewer, the project name and project description are present

Phase for ifcProject, is not present. According to the buildingSMART website this is an optional field and not mandatory for compliance so has not been included in current versions.

The results of exporting these properties may be presented differently by IFC viewers according to the differing ways that they may have chosen. For example:

In BIM Vision you can see the hierarchy of information clearly.

Solibri shows a similar tree, but the project name and description need to be drilled down to:

This is more clearly visible in FZK: