Boring and building of waterwells, driving of wells
Drilling and pre-drilling
Other types of specialised building activities
Drilling, turning, countersinking, shaving, planing, lapping, broach, dressing, sawing, grinding, sharpening, etc. of metallic pieces
Electro-technical installation works at buildings
Plumbing works
Installation of heating, air-conditioning and ventilation
Insulation works
Carpentry
Laying of floor and wall tiles
Laying of floors and fitting wooden wall-coverings
Hanging wall-paper, as well as flooring and wall-coverings of other materials
Painting of buildings
Restoration of buildings
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Ground-water lowering and dredging of construction sites
Removal on construction sites
Test borings, test holes and corings for building and geophysical, geological and similar studies
Making of horizontal drillings for cables or pipes
Setting of electric cables and appliances
Setting of monitoring systems and alarms against housebreakings
Installation in buildings or in other projects of building of: pumbling systems and hygiene appliances, pipes for gas and water (except for heating), setting of automatic extinguishers, etc.
Installation in buildings or in other projects of building of: heating systems by electricity, gas and fuel, boilers, materials and pipes for ventilation and air conditioning, etc.
Installation in buildings or in other projects of building of: heating, cooling and ventilation systems (except heating)
Setting of electrical installations of heating
Installation of blinds and florentine blinds
Work of general installation
Cleaning of new buildings and restoring after works
Other works of finishing in buildings n.e.s.
Assembling of frames
Works of recovering in all materials
Setting of rainwater disposal elements
Works of leakproofing of roofs and flat roofs
Treatment of walls with waterproofing products
Cleaning with steam, sandblasting and similar activities used on the outside of buildings