Other construction installation

This class includes: - the installation of equipment other than electrical, plumbing, heating and air-conditioning systems or industrial machinery in buildings and civil engineering works, including maintenance and repair. - installation of buildings or other construction projects of: + elevators, escalators; + automated and revolving doors; + lighting conductors; + vacuum cleaning systems; + sound system; + thermal, sound or vibration insulation;

This class excludes: installation of industrial machinery, see 3320 (Installation of industrial machinery and equipment).