4399 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

This class excludes:

  • renting of construction machinery and equipment without operator (see 773200)

Corresponding CPA codes

  • 43.99.1 Waterproofing works
  • 43.99.10 Waterproofing works

    This subcategory includes:

    • waterproofing works on flat roofs and roof terraces
    • waterproofing works on the outside of constructions and other subterranean structures
    • damp proofing

    This subcategory excludes:

    • insulation works, see 43.29.11
  • 43.99.2 Scaffolding works
  • 43.99.20 Scaffolding works

    This subcategory includes:

    • scaffold and work-platform erecting and dismantling works, excluding rental of scaffolding and work platforms

    This subcategory excludes:

    • rental services of scaffolding without erection and dismantling, see 77.32.10
  • 43.99.3 Pile driving works; foundation works
  • 43.99.30 Pile driving works; foundation works

    This subcategory excludes:

    • excavation work, see 43.12.12
    • concreting work, see 43.99.40
  • 43.99.4 Concreting works
  • 43.99.40 Concreting works

    This subcategory includes:

    • casting of concrete in form and other works generally making use of concrete, (general foundations, base courses, raft foundations, stanchions, floors etc.)
    • works involving the construction of form and reinforcement
    • consolidation of foundations
    • erection works of reinforced concrete frame requiring specialised skills or equipment because of its size or the method used
    • construction of domes and thin shells in concrete
    • special trade construction works involving steel bending and welding for reinforced concreting on construction projects

    This subcategory excludes:

    • prefabrication of concrete members for construction, see 23.61.12
    • ready-mixed concrete, see 23.63.10
    • construction works involving the paving of streets, highways and public sidewalks, see 42.11.20
    • construction works for bridges and elevated highways, see 42.13.20
    • construction works for tunnels, see 42.13.20
  • 43.99.5 Structural steel components erection works
  • 43.99.50 Structural steel components erection works

    This subcategory includes:

    • special trade construction works on steel frameworks
    • erection works of prefabricated, structural steel components for buildings and for other structures such as bridges, overhead cranes or electricity transmission towers
    • erection of curtain walls
    • associated welding works
  • 43.99.6 Masonry and bricklaying works
  • 43.99.60 Masonry and bricklaying works

    This subcategory includes:

    • bricklaying, block laying, stone setting and other masonry works

    This subcategory excludes:

    • floor and wall covering works, see 43.33
    • concreting work, see 43.99.40
  • 43.99.7 Assembly and erection works of prefabricated constructions
  • 43.99.70 Assembly and erection works of prefabricated constructions

    This subcategory includes:

    • installation, assembly and erection services of prefabricated structures and constructions
    • installation services of all types of street furniture (e.g. bus shelters, benches)

    This subcategory excludes:

    • assembly and erection of complete buildings, see 41.00.3, 41.00.4
    • erection services of prefabricated steel components, see 43.99.50
  • 43.99.9 Specialised construction works n.e.c.
  • 43.99.90 Specialised construction works n.e.c.

    This subcategory includes:

    • construction works of factory chimneys
    • construction works of refractory linings for furnaces etc.
    • construction works for outdoor swimming pools
    • construction works of ornamental fire places
    • steam cleaning, sand blasting and similar specialised construction works for building exteriors
    • rental of crane and other building equipment, which cannot be allocated to a specific construction service, with operator
    • other specialised construction works n.e.c.

    This subcategory excludes:

    • rental of construction equipment with operator for a specific construction service, see the specific construction service in section F