SECTION 306   REGULATIONS ON USE OF BUILDING FOR DWELLING.
   a.   The of any portion of the cellar (more than one-half the is below ) of a partially completed building, detached or for sleeping purposes in any zoning is prohibited.
   b.   Dwellings are not permitted in the , commercial or industrial districts except for legal nonconforming dwelling existing at the time the Zoning Ordinance was adopted, a caretaker’s quarters in a funeral home or veterinary , upper residential in the Central Business District which meets applicable standards of this Ordinance and the City Building Code, or housing used exclusively by security or custodial personnel and approved by the Board of Zoning Appeals. The of trailers and recreational vehicles for housing such security and custodial personnel is prohibited.