20152018 IBC

Frontage Calculator


Segment

Segment Length

Segment Width

Counts for Frontage?

(ft)

(ft)

A




B




C




D




E




F




G




H




I




J




K




L




M




N




O




P




Q




R




S




Item

IBC Reference

Value

Total
Perimeter (P)




Total
Perimeter fronting open space of 20 feet or more (F)





Weighted
Average of Frontage Width (W)

Equation 54


Frontage Increase Factor (I_{f})
I_{f} =
[F/P0.25]W/30

Equation 55






