What features are used for calculations:
- The feature's drawing layer must be visible, it doesn't matter if the layer is transparent. It will be counted as long as it is at all visible.
- If the feature was created by or assigned to a 3rd party app, it will be ignored. For most users, this can be ignored.
Areas are calculated for all building features, including basements.
- Gross area (GBA) : The feature's area multiplied by the number of levels. This includes the area of the roof where:
rooftopParking is true
- Net area (GFA): Gross area *
- Saleable/Rentable area (NSA / NRA): Gross area *
The number of
rooftopParking are typically set on the feature itself.
sellEfficiency are usually inherited from the
usage, but they can be overridden by setting them on the feature as well.
Building Area Bar-chart
The areas of all the buildings (whose layers are visible) in the project are aggregated in a bar-chart. By default, GBA values are grouped by usage. Click on GFA or NSA to see these values in the chart and change what groups are shown in the chart using the dropdown on the top right.
Site Area Breakdown
The FSR is calculated by dividing the total Net Area (GFA) by the project boundary's area.
This includes buildings from outside the project/site boundary.
The site area (the area within the project boundary) is broken down into:
- Building Footprint. This includes any area underneath overhanging stacked building sections.
- Site Hardscape. This includes any part of the site covered by road/footpath, on-grade parking, plaza or other pavement features. Our algorithms ensure none of this is double-counted when features overlap or are covered by building footprint.
- Open Space. This includes any landscape or space within the project boundary that has not been covered by any features.