CNAEClass

CNAE 42.21—Construction of fluid networks

Class · Clasificación Nacional de Actividades Económicas (2025)

Where 42.21 sits

  1. F Construction
  2. 42 Civil Engineering
  3. 42.2 Network construction
  4. 42.21 Construction of fluid networks

What 42.21 includes

  • This class includes the construction of utility distribution lines for the transport of fluids, including gas, and related buildings and structures that are integral part of these systems.
  • Construction of civil engineering structures for: • long-distance, underwater and urban pipelines • water mains and water lines • irrigation systems (canals) • reservoirs
  • Construction of: • sewerage systems, including repair • sewage treatment and disposal plants • pumping stations
  • Water well drilling
  • Geothermal drilling

What 42.21 excludes

  • Installation of water and wastewater pipes in buildings (see 43.22)
  • Project management activities related to civil engineering works (see 71.12)
  • Camera inspections in wastewater, water and gas pipes, not associated with repair or installation (see 71.20)

42.21 in other systems

ANZSICAustralia · New Zealand
ISICUnited Nations (global)
JSICJapan
SICUnited States (legacy)

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