“Lot, ground level” means, for buildings having walls fronting on only one street, the elevation at the front lot line at the center of a wall fronting on the street; for buildings having walls fronting on more than one street, the average of the elevation of the lot lines at the center of all walls fronting on the streets; for buildings having no walls fronting on a street, the average level of the ground adjacent to the exterior walls of the building.
(Ord. 1178 § 3.1 (part), 1987)