It shall be a violation of this Building Code to cover prior to inspection any work required to be inspected under the provisions of a permit, the approved rules, or this Building Code, irrespective of any penalties for such violation. The Chief Building Official may require the holder of the permit to uncover any such work for inspection and the cost of uncovering such work and of replacing the cover after the work has been found satisfactory shall be borne by the holder of the permit.
(‘74 Code, § 150.39)