5 Definition of construction work
(1) In this Act, construction work means any of the following work -
(a) the construction, alteration, repair, restoration, maintenance, extension, demolition or dismantling of buildings or structures forming, or to form, part of land (whether permanent or not);
(b) the construction, alteration, repair, restoration, maintenance, extension, demolition or dismantling of any works forming, or to form, part of land, including walls, roadworks, power-lines, telecommunication apparatus, aircraft runways, docks and harbours, railways, inland waterways, pipelines, reservoirs, water mains, wells, sewers, industrial plant and installations for the purposes of land drainage or coast protection;
(c) the installation in any building, structure or works of fittings forming, or to form, part of land, including heating, lighting, air-conditioning, ventilation, power supply, drainage, sanitation, water supply, fire protection, security and communications systems;
(d) the external or internal cleaning of buildings, structures or works, so far as it is carried out in the course of their construction, alteration, repair, restoration, maintenance or extension;
(e) any operation which forms an integral part of, or is preparatory to or is for rendering complete, work of the kind referred to in paragraph (a), (b) or (c), including -
(i) site clearance, earth-moving, excavation, tunnelling and boring; and
(ii) the laying of foundations; and
(iii) the erection, maintenance or dismantling of scaffolding; and
(iv) the prefabrication of components to form part of any building, structure or works, whether carried out on-site or off-site; and
(v) site restoration, landscaping and the provision of roadways and other access works;
(f) the painting or decorating of the internal or external surfaces of any building, structure or works;
(g) any other work of a kind prescribed for the purposes of this subsection.