(a) “Type A garage” means any building or part thereof used or occupied as a private garage for the storage of not more than three (3) passenger automobiles or of trucks not exceeding one and one-half (1-1/2) ton capacity, with gasoline or other volatile flammable fuel in their storage tanks.
(b) Type A garages shall conform to the provisions governing buildings of storage occupancy classification, except that a detached Type A garage which does not exceed six hundred fifty (650) square feet in floor area may be classified as miscellaneous occupancy classification by the Commissioner.