Construction or work for which a permit is required shall be subject to inspection in accordance with this code and such construction or work shall remain accessible and exposed for inspection purposes until the required inspection is completed. A satisfactory inspection by the department or the acceptance by the department of a satisfactory report of an inspection by an approved agency shall not be construed to be an approval by the department of a violation of the provisions of this code or of any other provision of law. It shall be the duty of the permit holder to cause the work to remain accessible and exposed for inspection purposes. The permit holder shall be liable for any expense entailed in the removal or replacement of any material required to allow inspection. The inspector shall supply a report of the results of each inspection.