It is unlawful for the operator of a vehicle to stop, stand or park such vehicle less than three feet from the front or rear of any lawfully parked vehicle or less than one foot from any vehicle lawfully parked at an angle, except when necessary to avoid conflict with other traffic or to comply with other provisions of this code, or with the directions of a police officer or traffic-control sign or device; provided, that provisions of this section shall not apply to those parking spaces designated as bumper-to-bumper parking. (Ord. 2735 § 2 (part), 1983).