To qualify for an area factor increase based on frontage, the public way or open space adjacent to the building perimeter shall have a minimum distance (W) of 20 feet (6096 mm) measured at right angles from the building face to any of the following:
- The closest interior lot line.
- The entire width of a street, alley or public way.
- The exterior face of an adjacent building on the same property.
|W||(Width: weighted average) = Calculated width of public way or open space (feet).|
|Ln||=||Length of a portion of the exterior perimeter wall.|
|wn||=||Width (≥ 20 feet) of a public way or open space associated with that portion of the exterior perimeter wall.|
|F||=||Building perimeter that fronts on a public way or open space having a width of 20 feet (6096 mm) or more.|