Where a lot abuts a public street, a building line is established on such lot parallel to the front lot line thereof and located, measured from the existing center of the street, a distance equal to the required depth of the front yard of the lot (as prescribed by the zoning regulations in the Unified Development Code), plus a distance equal to one-half of the ultimate width of the abutting street, as the ultimate width is shown on the general plan.
(‘61 Code, § 18.49) (Ord. 702, passed - - )