慶應義塾大学 商学部・商学研究科

新保一成 研究室

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NIC 1998 - code 4530

Structure

Hierarchy

  • Section: F - Construction
  • Divsion: 45 - Construction
  • Group: 453 - Building installation
  • Class: 4530 - Building installation

Class note

  • These activities are usually performed at the site of construction, although parts of the job may be carried out in a special shop. Repair of installations are also included in the corresponding sub-classes.

Sub-class

  • 45301
    • Activities
      • Plumbing and drainage
  • 45302
    • Activities
      • Installation of heating and air-conditioning systems, antennas, elevators and escalators
      • Insulation work(water, heat, sound)
      • Installation of sound proofing systems.
  • 45303
    • Activities
      • Electrical installation work for constructions
  • 45309
    • Activities
      • Other building installation n.e.c.
    • Products
      • Industrial process piping work
      • Installation of illumination and signaling systems for roads, railways, airports, harbors etc.
      • Installation of certain plants such as electric power and transformer plants, telecommunication plants and radar plants etc.

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