The fundamental intent of this chapter is to promote the safety, health, morals, convenience and general welfare of the citizens of Oakmont, Pennsylvania; to encourage the most appropriate use of land throughout the Borough; to conserve and enhance the value of property; to minimize overcrowding of land and buildings; to avoid undue concentration of population; to lessen congestion in the streets; to secure safety from fire, flood, panic and other dangers; to provide adequate open spaces for light and air; to facilitate adequate provision of streets and highways, water, sewerage, drainage and other public facilities; to conserve life, property and natural resources; and to conserve the expenditure of funds earmarked for public improvement.