Class
|
Category
|
Description
|
8
|
D
|
General contractor of construction works
|
8
|
D1
|
Structural works and roofing of buildings
|
8
|
D20
|
Metal joinery
|
8
|
D4
|
Sound and heat isolation, light movable walls, false ceilings and raised access floors, prefabricated or not
|
8
|
D5
|
Carpentry, wooden frames and staircases
|
7
|
D18
|
Ventilation, air heating and air conditioning
|
7
|
D25
|
Wall and floor coverings with the exception of marble, parquet and tile work
|
7
|
P1
|
Electrical installations in buildings, including the installations of power generators, fire and theft equipment, telecommunication in buildings and their environment and installations or equipment of mixed telephony
|
6
|
D10
|
Tile work
|
6
|
D13
|
Paint work
|
5
|
E
|
General contractor of civil engineering
|
5
|
G
|
General contractor of earthworks
|
5
|
P2
|
Electrical and electromechanical installations of artwork and industrial establishments and electrical outdoor installations
|
5
|
P3
|
Installations of aerial power lines
|
5
|
S1
|
Public telephone and telegraph equipment, data management
|
4
|
D11
|
Plaster works and leveling
|
4
|
D8
|
Roofing in asphalt or similar products and jointing
|
2
|
D15
|
Parket work
|