The purpose and intent of this article is to provide certain rules and regulations governing design, construction, equipment, use and operation of temporary buildings, establishments, concessions and exhibits within the grounds of the state fair. The provisions of this article shall include buildings and structures to be occupied and used only during the period of the state fair which, because of the character of material used, nature of fabrication and design, have a life expectancy of not more than five years. The provisions of this article shall apply only to the State Fair area as defined in this article and shall never be construed as modifying the regulations of any chapter of this code with reference to other areas within the city. (Code 1941, Art. 96-1)