Section 649. Inspection

The  commissioner,  any deputy commissioner,
  borough superintendents, inspectors, or any officer  of  the  department
  authorized in writing by the commissioner or a borough superintendent to
  act  in  his  borough  may,  in  accordance with law, for the purpose of
  performing their respective  official  duties,  enter  and  inspect  any
  building, structure, enclosure, premises or any part thereof or anything
  therein  or  attached  thereto;  and any refusal to permit such entry or
  inspection  shall  be  a  misdemeanor  triable  in  criminal  court  and
  punishable  upon conviction by not more than thirty days imprisonment or
  by a fine of not more than one hundred dollars, or both.