This major group includes general construction and some
special trade construction for buildings and general and special trade
construction for civil engineering, regardless of the kind of materials
used. It includes new work, additions and alterations, the erection of
prefabricated buildings or structures on the site and also constructions of
a temporary nature.
Also included is the repair of civil engineering projects,
but most repairs of buildings that are not complete alterations or additions
are classified under major groups 503 (Building installation) and 504
(Building completion).
Construction work can be carried-out on own account or on a
fee or contract basis. Portions of the work and sometimes even the whole
practical work can be subcontracted out to trade contractors.
Exclusions:
Landscape planning and design, lawn and garden installation
and maintenance and tree surgeons’ activities are classified under group
1140 (Agricultural and animal husbandry services, except veterinary
activities). Construction activities directly related to the extraction of
oil and natural gas are classified under group 2212 (Service activities
incidental to oil and gas extraction excluding surveying). However, the
construction of buildings, roads, etc., on the mining site remains in this
major group. The erection of complete prefabricated buildings or structures
from self-manufactured parts is classified under the relevant category under
manufacturing, depending on the main material used, except if the main
material is concrete, in which case it remains classified here. The erection
of metal structures from self-manufactured parts is classified under group
3541 (Manufacture of structural metal products).
Special trade construction involving building installation
and completion (finishing) is classified under major groups 503 and 504,
respectively.
Architectural and engineering activities are classified
under group 8821 (Architectural and engineering activities and related
technical consultancy).
Project management for constructions on a fee or contract
basis is also classified under group 8821.