This Chapter is hereby adopted and established in order to encourage the most appropriate use of land; conserve and stabilize the value of property; provide adequate open spaces for light and air and permit the adequate control of fires; prevent undue concentration of population; lessen congestion on streets; and facilitate adequate provision for community facilities and utilities, including transportation, water supply, sewage disposal, schools, parks and other public requirements which tend to promote the health, safety and public welfare, all in accordance with a comprehensive plan for the orderly development and redevelopment of the City.