A Golden-Age (R-7) District and regulations therefore is established in order to achieve, among others, the following purposes:
(a) To provide appropriate developments of dwelling facilities for persons 55 years of age or older in locations convenient to related community facilities;
(b) To provide in such developments health, dining and recreational facilities for the comfort and convenience of the occupants;
(c) To regulate the density of population within such districts;
(d) To regulate the bulk, height and spacing of buildings within the development in order to obtain proper light, air, privacy and open space for passive recreation and landscaped amenities; and,
(e) To protect adjacent residential properties by requiring adequate setbacks and screening.