All necessary mechanical appurtenances placed on the roof, including, but not limited to, air conditioning units, heating units, elevator penthouses, communications towers, and satellite receiving dishes, located on top of a building, are exempt from the height regulations of this chapter as follows.
(A) No such appurtenances shall exceed 12 feet in height above the maximum permitted in the district in which they are located.
(B) All said appurtenances must be set back a minimum of 12 feet from all faces of a building when said faces are adjacent to the street.
(Ord. 0904-05, passed 5-20-2009) Penalty, see § 154.999