Building Section usages are intended to represent the massing built form of buildings.

You can draw a building section type directly from the drawing toolbar. Anything in the Building tool is a building section usage.

Properties that make a building section usage:

• Type: Building

• Floor to Floor - control the plate height of each building level

• Levels - control the number of floors in the building

• Efficiencies:

Efficiency = removes walls and cores

Sell efficiency = removes walls, cores, and corridors

GFA:NRA (or NSA) is a calculated ratio of the Net Area to the Saleable Area

Optional properties include dwelling mix:

• Dwellings:

Size: Set the floor area of each unit type. in a Residential Usage

Price: Set dwelling prices by unit in a residential usage. Delete this property to set sale price by area (NRA) instead.

Cars: Set the number of car parking bays required for each unit type.

People: A user-input estimate of the average number of residents per dwelling of a specific type

Mix: A special slider input that adjust the percentage of each unit type in a geometric feature with a residential usage applied

• Dwelling Count:

Dwelling Count overrides the settings from the Dwellings section in residential Usages (including Unit Mix, Unit Size, etc). Use it to hard code a number of dwellings to a geometry without using efficiency and unit mix.

Rename the unit types by clicking the name.

Edit the number of that unit type by inputting a value

delete a unit type by clicking the trash can

add another dwelling type by clicking the + add dwelling type button

<aside> 💡 This is especially useful for single family or townhome massings, where the unit count is not driven by a percentage of area.

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Residential usages include a unit mix.

Edit unit assumptions

• Unit Size: The area of the unit type
• Unit price: The monthly rent or the sale price, depending on the type of development
• Carparks Req’d: Enter your jurisdiction’s requirements or your target metrics
• Residents: Enter your assumption of the average inhabitants of each unit type

Add more unit types by entering a new dwelling type name and clicking “Add +”

Adjust the unit mix by dragging the circles.

Add, delete, or move unit types

Delete a unit type by clicking the trash can next to the unit name, and selecting delete.

Rename a unit type by double clicking the unit name, and typing the new name.