This chapter is enacted for the purpose of promoting health, safety, morals or the general welfare of the Township of Baldwin. It is designed to regulate and restrict the height, number and stories and size of buildings and other structures, their construction, alteration, extension, repair, maintenance, and all facilities and services in or about such buildings and structures and percentage of lot that may be occupied, the size of yards, courts, and other open spaces, the density of population and the location and use of buildings, structures and land for trade, industry, residence or other purpose, as well as establishing and maintaining building lines and setback building lines upon any or all public streets and highways.