42.21 — Construction of Utility Projects for Fluids

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. This class includes: - 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

This class also includes: - water well drilling - geothermal drilling

This class 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