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Abstract

Installation, maintenance and repair of apparatus, installations and systems for the treatment, storage and distribution of stormwater, rainwater and waste water; installation, maintenance and repair of apparatus and systems for the treatment and distribution of water; construction of storage tanks and pre-fabricated structures; installation, maintenance and repair of water collection and storage systems; construction of water treatment, collection and storage systems; excavation and installation of water and stormwater treatment, drainage, distribution and storage systems; installation of water pipelines; advisory and consultancy services relating to all the aforesaid services.; Water storage tanks of plastic; tanks not of metal or masonry, for water treatment; containers, not of metal or paper, for storage or transport; liquid storage tanks made of non-metallic and non-masonry materials; non-metallic water storage tanks; tanks made principally of plastics materials and for use in industry; Materials, not of metal, for building and construction, namely, concrete, pre-cast concrete wall forms, modular precast concrete, concrete drainage pipes, plastic pipe supports, plastic and concrete conduits for drainage, prefabricated building elements for the construction of installations for the collection, treatment and drainage of water; building materials of concrete and plastic, namely, wall forms, modular precast concrete, concrete drainage pipes, plastic pipe supports, plastic and concrete conduits for drainage, prefabricated building elements for the construction of installations, for the collection, treatment and drainage of water; water storage tanks of concrete; storage tanks of masonry; rainwater rigid pipes, not of metal, for building; non-metallic water pipes, other than parts of sanitary installations, materials, not of metal, for building and construction; building materials, not of metal, namely, concrete, pre-cast concrete wall forms, modular precast concrete, concrete drainage pipes, plastic pipe supports, plastic and concrete conduits for drainage, prefabricated building elements for the construction of installations for the collection, treatment and drainage of water; rigid pipes, not of metal, for building; non-metallic water pipes, other than parts of sanitary installations; concrete pipes, vaults, panels, walls and structures being water and stormwater storage, retention and treatment vats and tanks; Apparatus and installations for water supply, namely, plumbing fittings in the nature of pollutant traps, sediment and liquids separator for the cleaning and purification of water, waste water and stormwater; Apparatus and installations for water distribution, namely, hydraulic treatment pipes being parts of sanitary facilities; Apparatus and installations for water filtration; Apparatus and installations for water purification; Apparatus for sanitary purposes, namely, plumbing fittings in the nature of pollutant traps, sediment and liquids separators for the cleaning and purification of water, waste water and stormwater; Apparatus and installations for water treatment, namely, drainage water treatment tanks, and water treatment apparatus for use in water purification; water conditioning units, and water conditioning systems in the nature of water softening units; plastic water pipes forming parts of water reticulation system components being plumbing fittings in the nature of pollutant traps and sediment and liquids separators for the cleaning and purification of water, waste water and stormwater; filtration units for water treatment apparatus; Wastewater treatment apparatus and installations; Wastewater treatment systems comprised of water purification units and treatment tanks; Scientific and technological services, namely, and research and design relating thereto in the field of pollutants, rainwater, water and wastewater; industrial analysis, industrial research and industrial design services in the field of p...