11.—(1) Where any building, pier, wall, or other structure erected (whether before or after the passing of this Act) with or without lawful authority on any foreshore, whether belonging or not belonging to F74[the State], is out of repair or dilapidated and in the opinion of the F75[appropriate Minister] is or causes or is likely to cause (directly or indirectly) an obstruction to navigation or to fishing F75[the appropriate Minister] may pull down and remove such structure or cause such structure to be pulled down and removed, and may for that purpose authorise any person to enter on such structure and the foreshore and the seashore adjacent thereto.

(2) The F75[appropriate Minister] shall not under this section pull down or remove or cause to be pulled down and removed any structure of which the owner is known and can be found without serving on such owner a notice in writing requiring him either to repair or to pull down and remove such structure and giving him a reasonable opportunity so to do.

(3) Whenever the F75[appropriate Minister] pulls down and removes or causes to be pulled down and removed any structure under this section, F75[the appropriate Minister] shall be entitled to be paid by and to recover from the owner of such structure the costs and expenses of such pulling down and removal as a civil debt in any Court of competent jurisdiction.