其他专门的建筑活动

This class includes: - construction activities specializing in one aspect common to different kind of structures, requiring specialized skill or equipment: * construction of foundations, including pile driving * damp proofing and water proofing works * de-humidification of buildings * shaft sinking * erection of non-self-manufactured steel elements * steel bending * bricklaying and stone setting * roof covering for residential buildings * scaffolds and work platform erecting and dismantling, excluding renting of scaffolds and work platforms * erection of chimneys and industrial ovens * work with specialist access requirements necessitating climbing skills and the use of related equipment, e.g. working at height on tall structures - subsurface work - construction of outdoor swimming pools - steam cleaning, sand blasting and similar activities for building exteriors - renting of cranes with operator

This class excludes: - renting of construction machinery and equipment without operator, see 7730