Sec. 6-15. Enforcement Of Provisions:
   (a)   It shall be the duty of the building commissioner and any deputies to enforce the provisions of this chapter.
   (b)   The director of building and zoning is hereby empowered to make such inspections as may be necessary to see to the enforcement of these provisions, and to make any tests or examinations of materials to be used, for the purpose of seeing if they comply with the provisions of this chapter. (1963 Code § 22.115)