43.99 - Other specialised construction activities n.e.c.
This class includes: - construction activities specialising in one aspect common to different kind of structures, requiring specialised skill or equipment: . construction of foundations, including pile driving . damp proofing and water proofing works . de-humidification of buildings . shaft sinking . erection of steel elements . steel bending . bricklaying and stone setting . scaffolds and work platform erecting and dismantling, excluding rental 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 - rental of cranes and other building equipment, which cannot be allocated to a specific construction type, with operator
This class excludes: - rental of construction machinery and equipment without operator, see 77.32