This class includes the construction of distribution lines for transportation of fluids and related buildings and structures that are integral part of these systems. This class 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 This class also includes: - water well drilling
This class excludes: - project management activities related to civil engineering works, see 71.12