Such applications with plans shall be referred to the building inspector, who shall examine the same to determine whether the proposed operations will conform with the ordinance and statutory provisions relating thereto. Upon approval, one set of the plans shall be returned to the applicant, with a permit, and the other shall be retained by the building inspector. No permit shall be issued except after approval of the plans and the payment of the fee herein provided for. (Prior code § 5-1-3)