What is meant by “Setback,” “Impervious Surface,” and “Floor Area”?
“Setback” means the minimum distance between the structure and any lot line. “Impervious surface” means any structure or hard surface which substantially impairs the natural permeability of the soil, including, but not limited to, solid surface decks and patios, accessory structures, swimming pools, recreational courts, paved driveways and parking areas, and surfaces comprised of gravel, clay, bricks with sand or concrete. “Floor area” means the total habitable and/or accessible floor space under roof of all floors of a building measured to the outside surfaces of exterior walls, including halls, stairways, elevator shafts, ducts, service and mechanical equipment rooms, interior courts, underfloor areas with an interior height of five feet or greater, porches, verandas and similar building elements with a solid roof and enclosed on three or more sides, garages and enclosed accessory structures. In the case of a sloped ceiling or ground surface, the floor area shall be measured to the p
