The area factor increase based on frontage shall be determined in accordance with Equation 5-5:
where:
where:
| If | = | Area factor increase due to frontage. |
| F | = | Building perimeter that fronts on a public way or open space having minimum distance of 20 feet (6096 mm). |
| P | = | Perimeter of entire building (feet). |
| W | = | Width of public way or open space (feet) in accordance with Section 506.3.2. |