The building official shall be responsible for carrying out the duties and responsibilities as outlined in article I of this code with regard to the issuing of permits, the maintenance of records, the performance of inspections, and any other administrative procedures except as may be specifically exempt herein. Nothing contained in this section shall have the effect of waiving or limiting the building official’s authority to enforce this code with respect to examination of the contract documents, including the plans, computations, and specifications, and related field inspections.