4221 Construction of utility projects for fluids

This class includes the construction of distribution lines for transportation of fluids and related buildings and structures that are integral part of these systems. [0]

Includes

- construction of civil engineering constructions for:
-- long-distance and urban pipelines
-- water main and line construction
-- irrigation systems (canals)
-- reservoirs
- construction of:
-- sewer systems, including repair
-- sewage disposal plants
-- pumping stations [0]

Also includes

- water well drilling [0]

Does not include

- project management activities related to civil engineering works, see 7112 [0]

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