It is the purpose of this chapter to regulate parking and loading spaces, vehicle traffic and access in order to provide orderly and adequate development of these necessities, and in so doing, promote the safety and well-being of the citizens of the City. Consequently, there shall be provided at the time of the erection of any building or at the time any main building is enlarged or increased, off-street parking space in accordance with the Vernal City minimum parking design standards. (PZSC § 03-12-001)