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4221 Construction of utility projects for fluids

  • 42.21.1 Utility constructions for fluids
  • 42.21.11 Long-distance pipelines for fluids

    This subcategory includes:

    • long-distance overland and underwater pipelines for the conveyance of petroleum products and gas
    • long-distance overland and underwater pipelines for the conveyance of water or other products

    This subcategory excludes:

    • urban gas or water distribution systems through mains, see 42.21.12
  • 42.21.12 Local pipelines for fluids

    This subcategory includes:

    • local pipelines for water, sewerage and other fluids
  • 42.21.13 Irrigation systems (canals); water main and line constructions; water treatment plants, sewage disposal plants and pumping stations

    This subcategory excludes:

    • septic system installation works, see 42.21.24
  • 42.21.2 Construction works for utility projects for fluids

    This category excludes:

    • trenching works, see 43.12.02
  • 42.21.21 Construction works for long-distance pipelines

    This subcategory includes:

    • construction works for long-distance overland, underground or underwater pipelines for:
    • oil and gas
    • water, sewage or rainwater
    • other fluids

    This subcategory excludes:

    • construction works for local pipelines, see 42.21.22
    • installation of pipeline monitoring and control systems, see 43.21.00
  • 42.21.22 Construction works for local pipelines, including ancillary works

    This subcategory includes:

    • construction works for local pipelines, including ancillary works, for:
    • water or sewage
    • hot-water
    • gas and steam
    • other fluids

    This subcategory excludes:

    • construction works for long-distance overland, underground or underwater pipelines, see 42.21.21
    • installation of pipeline monitoring and control systems, see 43.21.00
    • installation works for water and wastewater pipes in buildings, see 43.22.11
  • 42.21.23 Construction works for irrigation systems (canals), water mains and lines, water treatment plants, sewage disposal plants and pumping stations

    This subcategory includes:

    • construction of reservoirs, storage tanks, and cisterns associated with water supply and sewage treatment systems
    • construction of outfall structures for the discharge of treated wastewater

    This subcategory excludes:

    • construction works on pipelines and on water and sewer mains, see 42.21.21 (long-distance) and 42.21.22 (local), respectively
  • 42.21.24 Water well drilling and septic system installation works

    This subcategory includes:

    • special trade construction works involving drilling or digging water wells
    • installation works of water well pumps and well piping systems
    • septic system installation works