11.1 Industrial or institutional piping under pressure
Subclass 11.1 This subclass authorizes construction work which is not reserved exclusively for master pipe-mechanics and which concerns the installation of pressurized piping for industrial or institutional purposes as well as similar or related construction work. Additional explanations This subclass includes in particular construction work relating to: piping in purification and filtration plants, power plants, etc .; compressors and compressed …
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5.1 Metallic structures and prefabricated concrete elements
Subclass 5.1 This subclass authorizes construction work relating to metal frames and steel structural elements as well as structural assembly work of prefabricated concrete elements. It also authorizes construction work included in subclass 5.2 of annex III. Finally, it authorizes similar or related construction work. Additional explanations This subclass includes construction work in subclass 5.2. This subclass includes in particular …
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2.3 Groundwater pumping systems
Subclass 2.3 This subclass authorizes construction work which is not reserved exclusively for master pipe-mechanics and electrical contractors and which concerns groundwater pumping systems as well as similar or related construction work. Additional explanations This subclass includes in particular construction work relating to: the installation of a groundwater pumping system comprising: pipes, strainers and pumps (external and submersible) bringing water …
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2.2 Non-drilled water collection structures
Subclass 2.2 This subclass authorizes construction work relating to non-drilled water collection works such as shallow wells and spring collection as well as similar or related construction work. Additional explanations This subclass includes in particular construction work relating to: gelinite wells; surface wells dug by suction; filter tips; sealing (plugging) wells. The construction standards for non-drilled water withdrawal facilities are …
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2.4 Private sewerage systems
Subclass 2.4 This subclass authorizes construction work which is not reserved exclusively for master pipe-mechanics and which concerns the treatment of waste water from buildings as well as similar or related construction work. Additional explanations This subclass includes in particular construction work relating to: septic tanks; to leaching fields; sinks; to purifying elements; peat or reed based biofiltration systems; conventional …
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13.2 Fire alarm systems
Subclass 13.2 This subclass authorizes construction work which is not reserved exclusively for electrical contractors and which concerns fire alarm systems as well as similar or related construction work. Additional explanations This subclass includes in particular construction work relating to: flue gas detectors, especially in indoor parking garages and other systems (however, if the detectors are part of the ventilation …
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