OS27 ELECTRIC TRACTION SYSTEMS - ELECTRIC TRACTION SYSTEMS
OS27 ELECTRIC TRACTION SYSTEMS - ELECTRIC TRACTION SYSTEMS

OS27 ELECTRIC TRACTION SYSTEMS - ELECTRIC TRACTION SYSTEMS

It concerns the supply, installation, and systematic maintenance or restructuring of systems for electric traction on any railway, subway, or tram line. It includes, by way of example, the power stations and transformation cabins, the necessary towers for the transport and distribution of voltage, the supply and installation of electrical cables for any number of phases on towers or underground, the supply and installation of equipped channels and voltage cables, as well as all electromechanical, electrical, telephone, and electronic systems necessary for operation, information, safety, assistance, and similar purposes. Code: OS 27
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OS11 SPECIAL STRUCTURAL EQUIPMENT - SPECIAL STRUCTURAL EQUIPMENT
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OS16 INSTALLATIONS FOR ELECTRICITY GENERATION PLANTS - INSTALLATIONS FOR ELECTRICITY GENERATION PLANTS
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It concerns the construction, maintenance, or renovation of electrical systems and equipment serving any power generation plant. Code: OS 16...
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OS9 LIGHTING SIGNAL SYSTEMS, TRAFFIC SAFETY - SYSTEMS FOR LIGHTING SIGNALS AND TRAFFIC SAFETY
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It concerns the supply and installation, systematic maintenance, or restructuring of automatic systems for traffic light signaling and road, railway, ...
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OS34 NOISE BARRIER SYSTEMS FOR MOBILITY INFRASTRUCTURES - NOISE BARRIER SYSTEMS FOR MOBILITY INFRASTRUCTURES
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It concerns the construction, installation, maintenance, and acoustic verification of noise containment works originating from road or railway sources...
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OG9 INSTALLATIONS FOR ELECTRICITY GENERATION - INSTALLATIONS FOR ELECTRICITY GENERATION
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OS30 INTERNAL ELECTRICAL TELEPHONE AND RADIO TELEPHONE SYSTEMS - INTERNAL ELECTRICAL TELEPHONE AND RADIO TELEPHONE SYSTEMS
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It concerns the supply, installation, maintenance, or renovation of electrical, telephone, radio, and television systems, as well as data transmission...
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OS13 PRECAST REINFORCED CONCRETE STRUCTURES - PRECAST REINFORCED CONCRETE STRUCTURES
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OS10 NON-ILLUMINATED ROAD SIGNAGE - NON-ILLUMINATED ROAD SIGNAGE
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