An area of twenty five feet by one hundred fifty feet (25' x 150') upon any unplatted premises within the City upon which is situated a building or part of a building which necessitates the removal of garbage under this chapter shall constitute a unit for the purpose of taxation under this chapter and shall be assessed in the same proportion and in the same manner as lots or portions of lots upon which there are buildings or parts of buildings necessitating the removal of garbage hereunder. (Ord. 187, 5-7-1956)