(1) Where:
(a) the occupier of land has consented in writing to the Executive entering upon the land and doing an act specified in subsection ( 2); or
(b) a warrant granted under subsection 10(1) authorizes the Executive to enter upon land and do such an act;
the Executive may for the purposes of this Act:
(c) enter upon and occupy the land; and
(d) do that act on land so occupied.
(2) The acts referred to in subsection ( 1) are:
(a) to construct, build or place any plant, machinery, equipment or goods;
(b) to take or deposit sand, clay, stone, earth, gravel, timber, wood or other materials or things;
(c) to make cuttings or excavations;
(d) to erect workshops, sheds and other buildings;
(e) to make roads; and
(f) to manufacture and work materials of any kind.
(3) The Executive may demolish, destroy or remove on or from land occupied in pursuance of subsection ( 1) any plant, machinery, equipment, goods, workshop, shed, building or road constructed, built, placed or erected on the land in pursuance of that subsection.
(4) A person shall not, without reasonable excuse, obstruct or hinder the exercise of the powers or rights of the Executive under this section.
(5) Before occupying land in pursuance of a warrant, the Executive shall, upon demand by the occupier of the land, cause the warrant to be produced to the occupier.
(6) In this section, a reference to land includes a reference to land owned or occupied by a State.