Section 28-103.16. Inspections of completed buildings, structures, signs, service equipment and construction machinery and equipment

In  addition  to  other  required  inspections,  the  commissioner may make or require
  inspections of completed buildings, structures, signs, service equipment
  installations and construction  machinery  and  equipment  to  ascertain
  compliance  with  the  provisions  of  this code and other laws that are
  enforced by the department. Such inspections may be made  on  behalf  of
  the  department  by  officers  and employees of the department and other
  city departments and governmental agencies; and  by  approved  agencies,
  special  inspectors  or other persons when the commissioner is satisfied
  as to their qualifications and reliability. The commissioner may  accept
  inspection  and  test reports from persons authorized by this code or by
  the commissioner to perform such  inspections.  Such  reports  shall  be
  filed with the department.