(1)  For the purposes of this Act, "building work or construction work" means any of the following:

(a) the construction, erection, re-erection, alteration, repair, restoration, maintenance, extension, adding to, underpinning, removal, demolition, or dismantling, of –

(i) buildings; or

(ii) structures that form, or are to form, part of land;

(b) the construction, alteration, repair, restoration, maintenance, extension, removal, demolition or dismantling of works that form, or are to form, part of land, including –

(i) walls; and

(ii) road infrastructure; and

(iii) energy infrastructure and telecommunications facilities; and

(iv) aviation landing facilities and railway infrastructure; and

(v) marine infrastructure, water and sewerage infrastructure, drainage infrastructure, dams and canals and installations for the purposes of irrigation, land drainage or coast or river protection; and

(vi) structures, such as poles, wires and netting, erected to support or protect agricultural, horticultural or forestry products; and

(vii) structures (other than underground structures constructed to enable access to minerals) to enable persons to gain access to places on which agricultural, horticultural, forestry, tourist or mining activities are being, or are to be, carried out;

(c) the installation or alteration in, or removal from, any building, structure or works, of systems, and services, that form, or are to form, part of land, including –

(i) heating, ventilation, air-conditioning and cooling systems; and

(ii) power supply, lighting and communication systems; and

(iii) passenger lifts and goods lifts; and

(iv) plumbing installations; and

(v) fire safety systems and security systems;

(d) any operation that forms an integral part of, is preparatory to, or completes, work referred to in paragraph (a) , (b) or (c) , including –

(i) site clearance, earth-moving, excavation, tunnelling, boring and filling; and

(ii) the preparation of foundations; and

(iii) the erection, maintenance or dismantling of plant and equipment; and

(iv) the prefabrication of components to form part of any building, structure or works, whether the prefabrication is carried out on-site or off-site; and

(v) site restoration, landscaping and the provision of road infrastructure and other works to enable access to land or a part of land;

(e) the internal or external cleaning of buildings, structures, or works, that is carried out in the course of the construction, alteration, repair, restoration, maintenance, extension, removal, demolition or dismantling of the buildings, structure or works;

(f) the painting or decoration of the internal or external surfaces of any building, structure or works;

(g) other work of a type prescribed to be a type of building work or construction work for the purposes of this Act.

(2)  Despite subsection (1) , the following work is not building work or construction work for the purposes of this Act:

(a) the drilling for, or extraction of, oil or natural gas;

(b) the extraction (whether by underground or surface working) of minerals, including tunnelling or boring, or the construction of underground works for the purpose of such extraction;

(c) other work of a type prescribed to not be building work or construction work for the purposes of this Act.