(1) The conservator may remove, or cause to be removed, any timber, raft or other thing, floating or being in any part of any s uch port, which in his opinion obstructs or impedes the free navigation thereof or the lawful use of any pier, jetty, landing-place, wharf, quary, dock, mooring or other work on any part of the shore or bank which has been declared to be within the limits of the port and is not private property.
     (2) The owner of any such timber, raft or other thing shall be liable to pay the reasonable expenses of the removal thereof, and if such owner or any other person has without lawful excuse caused any such obstruction or impediment, or causes any public nuisance affecting or likely to affect such free navigation or lawful use, he shall also be punishable with fine which may extend to one hundred rupees.
     (3) The conservator or any Magistrate having jurisdiction over the offence may cause any such nuisance to be abated.