Section 49. Duties of inspectors; reports

The inspector or inspectors of
  plumbing appointed under the provisions of  the  preceding  sections  of
  this  article,  in addition to the duties prescribed by law or ordinance
  and those which may be enjoined or required by the appointing  power  of
  the  city  in  which  they  shall  be appointed, shall be to inspect the
  construction and alteration of all plumbing work performed in such city,
  and to report  in  writing  the  results  of  such  inspection  to  such
  appointing  power  of their respective cities. They shall also report in
  like manner any person  engaged  in  or  carrying  on  the  business  of
  employing plumber, without having the certificate hereinbefore provided.