The project preferences allows you to manage usages,change the efficiency, unit mix and more.
You can go the preferences window the Menu bar → ‘Options’ → ‘Preferences’.
In the project preferences, you can customize the project parameters:
A. Efficiency – the percentage of the gross floor area (GFA) from the total area
B. Sell Efficiency – the percentage of the net salable area (NSA) from the total area
C. Project units
D. Ratio of provided parking spaces per m or ft
E. Ratio of required parking spaces per residential unit
F. Cost evaluation per m2 or ft2
G. Customize Building Spaces/Building Section/Land Use/Unit mix
H. Add new space
I. Re-name space
J. Change colour by using the colour picker or assigning a colour code
K. Delete space