§ 156.532 GENERAL PROVISIONS.
   (A)   (1)   Each required off-street parking space shall be at least nine feet in width and at least 20 feet in length, exclusive of access drives or aisles, ramps, columns or office or work areas. Such space shall have adequate vertical clearance.
      (2)   For parallel parking, the length of the parking space shall be increased to 24 feet.
   (B)   Each required off-street loading space shall be of a size not less than that required for an off-street parking space but scaled larger to delivery vehicles expected to be used, logically and conveniently located for bulk pickups and deliveries, and accessible to such vehicles when required off-street parking spaces are filled; provided that, for industrial uses, the off-street area required for the receipt or distribution by vehicles of materials or merchandise is held to be a 12-foot by 45-foot loading space with a 14-foot height clearance; provided further that, if more than one berth is provided, the minimum dimensions are held to be ten feet by 45 feet with a 14-foot height clearance.
   (C)   (1)   Except on lots occupied by one-, two-family and multi-family dwellings, each off-street parking space shall open directly upon an aisle or driveway at least 12 feet wide or such additional width and design in accordance with the following table, so as to provide safe and efficient means of vehicular access to such parking space.
      (2)   Such aisle or driveway shall be unobstructed and allow for the passage of emergency vehicles at all times.
      (3)   The angle shall be measured between centerline of parking space and centerline of aisle.
   (D)   All off-street parking or loading facilities shall be designed with appropriate means of vehicular access to a street or alley in a manner which will least interfere with traffic movement.
   (E)   In determining the minimum required number of off-street parking or loadings spaces, the following instructions shall be applicable in such computations:
      (1)   If the unit of measurement is any fraction of the unit specified in relation to the number of spaces to be provided, said fraction shall be considered as being the next unit and shall be counted as requiring one space.
      (2)   In sports arenas, church and other places of assembly in which patrons occupy benches, pews or other similar seating facilities, each 22 inches of such seating shall be counted as one seat for the purpose of determining requirements hereunder.
 
Parking Angle (in degrees)
Aisle Width (in feet)
45
14
60
18
90
24