(a) Automatic Car Wash. Car washes in which vehicles are mechanically moved through the production line shall have and maintain ten paved off-street parking spaces on the premises for each twenty lineal feet of production line within the confines of the building, including traffic lanes. In addition, there shall be provided at the exit, at least two and one-half off-street spaces per exit lane; such spaces shall be available at all times during the operation of the washing facility for vehicular storage of vehicles entering or exiting the washing facility.
(b) Semi-Automatic Car Wash. Car washes in which automatic machinery is used to wash the vehicle, but the vehicle provides the power through the production line shall have and maintain on the premises at least eight paved off-street parking spaces for each stall for the use of vehicles entering the facility. In addition, there shall be provided at the exit at least one and one-half off-street parking spaces per exit lane; and such parking spaces shall be available at all times during the operation of the washing facility for vehicular storage of vehicles entering or exiting the washing facility.
(c) Manual Car Wash. Car washes in which vehicles are manually washed and provide their own power through the stall shall have and maintain on the premises at least five paved off-street parking spaces for each parking stall. In addition, such parking spaces shall be available at all times during the operation of the washing facility for the vehicular storage of vehicles entering or exiting the washing facility.