It is the purpose of this chapter to promote Festival Events on the public properties and rights-of-way of the city by providing a uniform permit process to assist sponsors and city staff in planning and allocating available city resources. Conditions in Festival Events permits are imposed in the interest of public health, safety and welfare; to provide for fees and charges as authorized by the city council; and to administer the permit process. Nothing contained in this chapter or any procedures adopted hereunder is intended to be or shall be construed to create or form the basis for liability on the part of the city, or its officers, employees or agents, for any injury or damage resulting from the failure of the applicant or sponsor to comply with the provisions hereof.