CNAEClass

CNAE 42.91—Hydraulic works

Class · Clasificación Nacional de Actividades Económicas (2025)

Where 42.91 sits

  1. F Construction
  2. 42 Civil Engineering
  3. 42.9 Construction of other civil engineering projects
  4. 42.91 Hydraulic works

What 42.91 includes

  • Construction and reconstruction of, e.g.: • waterways, harbour basins, rivers, marinas • hydromechanical structures (e.g. locks, lifts, sluices, slipways) • dams and dykes
  • Dredging of waterways (e.g. harbour basins, rivers)

What 42.91 excludes

  • Construction of underwater pipelines (see 42.21)
  • Laying of underwater cables (see 42.22)
  • Project management activities related to civil engineering works (see 71.12)

42.91 in other systems

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

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