NAF 42.21Y—Building networks for fluid

Where 42.21Y sits

1. F Construction
2. 42 Civil engineering
3. 42.2 Building networks and lines
4. 42.21 Building networks for fluid
5. 42.21Y Building networks for fluid

What 42.21Y includes

• The construction of distribution lines, in public for the transport of fluids, including gas, and buildings and structures as an integral part of these systems.
• Construction of civil works for: • pipe covering long distances, sub-marine and urban • water-pipes and piping water • irrigation systems (canals) • reservoirs
• The construction of: • sanitation networks, including their repair • sewage treatment plants and sewage disposal • pumping stations
• The drilling of water wells in the geothermal drilling

What 42.21Y excludes

• The installation of water mains, and wastewater in buildings, see 43.22G
• The project management related to civil engineering works, for the account of third parties, see 71.12Y
• Inspections by the camera in the sewage pipes, water and gas, which are not related to the repair or installation, see 71.20H

42.21Y in other systems