6
Metal materials for construction; Valves or sliding valves of metal, Gratings of metal, Duckboards of metal, Ladders of metal, Adjustment plates of metal, sticks of metal; Connecting pipes and tubes of metal relating to pipelines for the transport and distribution of cold and hot liquids of all kinds, gas and power, balancing apparatus; Containers of metal for radioactive waste, Fences of metal, Mesh of metal, Railway sleepers of metal, Coatings of metal for pipes, Vats of metal, Manhole covers of metal; Street furniture of metal in particular Structures of metal and Transportable buildings
7
Sludge separators, De-oilers; Autoclaves (pressure cookers), Filter machines; Prefilters, screen rakes, Sludge removers, separators for liquids; Fat and/or starch separators; Lamellar separators, hydrocarbon separators, degreasers, Pumps [machines], Fans for motors and engines
11
Waste-water sanitation plants, lifting posts; Fountains, not of metal; Sewage treatment microplants for sanitation purposes; settler apparatus for waste; Settler apparatus for water
17
Plastics in extruded form for use in manufacture; Packing, stopping and insulating materials; Flexible hoses, not of metal; Pipe and tube fittings, Connection pieces for pipes; Pipes and pipeline fittings not of metal for the transport and distribution of hot and cold liquids of all kinds, gas and power
19
Building materials, not of metal; Concrete; Concrete building elements; Precast concrete; Pipes and pipeline fittings, not of metal, for the transport and distribution of hot and cold liquids of all kinds, gas and power; Foundations for lighting columns, casing boxes, technical walls, Window sills, Copings, cover caps, cover panels, brackets, Vêture (insulating cladding), Walkways, Sun protection roofs, nets, well rings, frameworks made in a single piece or various components, recesses, cavities, Tombstone stelae, Dispersion wells, furniture cineraria, culverts, All being non-metallic; Cobbles, Edging, Kerb stones, Support rails, Pigeon holes, engineering chambers and galleries; Drawing chambers, telecoms chambers, prefabricated shelters (for military and civilian purposes), Arch blocks, Retaining walls, Sidewalls, Modular elements for waste sorting, Acoustic baffles, Slabs, Non-metal gutters, Slabs of concrete and cement; Decking slabs, bridge slabs; grass slabs, tree surrounds, Storage vats not of metal, Supply elements for cisterns and wells, Branch boxes, not of metal, for pipework, Devices, not of metal, for channelling and diverting surface water and waste water, Structural ends, water infeeds, cantilever slabs, Porous panels; Partitions, not of metal, for storage purposes, Tanks, not of metal, bridges of non-metallic and Cornices, not of metal, Pre-fabricated elements, not of metal, for cellars, Radioactive waste containers, Flue blocks, Joists; Prestressed girders; Joists, Posts, Fences, Inspection ports, columbarium vaults, Floors of concrete, Ceiling slabs, prestressed floor support slabs, alveolate slabs, Pre-fabricated foundation pillars, All being non-metallic
37
Construction services; Installation of concrete flooring, floor slabs, prestressed floor slabs, hollow core slabs and solid prefabricated foundation elements; Installation, repair and maintenance of pipeline networks, pipes, installation of connections and pipeline fittings not of metal for the transport and distribution of hot and cold liquids of all kinds, gas and power; Construction of tunnels, Tunnel repair and maintenance; Rehabilitation, Asphalting, sanitisation and Branch In relation to the following goods: Surface water systems and wastewater systems; Rental of construction equipment; Drilling; Building construction and repair; Road works; sinking
42
Technical study of pipeline systems