This article shall apply to all residential subdivision plats having a dwelling unit density of greater than one unit per acre, or the owners or applicants for approval thereof. Anything herein to the contrary notwithstanding, all final plats submitted to the city from the adoption of the regulation shall meet the requirements of this article, regardless of whether the preliminary plat had been previously approved. For those developments having a density of less than one unit per acre a dedication of five percent (5%) of the total development area shall be required. (Prior code ch. 16, as amended)