Property development services (building and construction); property maintenance; advisory services relating to property development building and construction services; road construction and repair; bridge construction and repair; mining excavation; mining construction; mining services in this class; pipe laying; laying of electrical conduit; installation and repair of electrical conduits and wiring; construction services associated with sub-division of land; plant hire; project management of construction projects; construction and repair of dams; construction and repair of structural and retaining walls; installation and repair of roadside safety barriers; hire of machinery; hire of tools; hire of construction equipment; hire of earth moving machinery; hire of machines for use in civil engineering; hire of road working machinery; hire of lifting apparatus; quarrying services; hire of equipment and machinery used in quarrying