The Single-family Attached District (R-3) and its regulations are established in order to achieve, among others, the following purposes:
(a) To regulate the density and distribution of the population to avoid congestion and maintain adequate services;
(b) To promote the most desirable and beneficial use of the residential land in accordance with the Plan of the City;
(c) To regulate the bulk and location of dwellings in relation to the land, in order to obtain proper light, air, privacy and usable open spaces on each zoning lot appropriate for the district;
(d) To enable the development of attached single-family dwelling units in appropriate locations adequately served by City utilities and streets and arranged to provide sound building site design; and,
(e) To permit single-family attached dwellings in areas where they are or may be appropriately intermingled with other compatible types of housing.