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This European Standard specifies general requirements for components inside and outside buildings such as pipes, fittings and manholes with their respective joints intended for use in discharge pipes, drains and sewers which operate as gravity systems allowing for a maximum pressure of 40 kPa. It also specifies general requirements for components used in hydraulically and pneumatically pressurised discharge pipes, drains and sewers. It provides basic specifications to be respected in material related product standards for these applications. It is not applicable for the direct evaluation of products. It is applicable as a reference for drawing up a product specification, if there is no product standard available. This European Standard covers components to be used in conveying in a satisfactory manner: - domestic wastewater; - rainwater and surface water; and - other waste waters acceptable for discharge into the system (e.g. industrial wastewater). This European Standard applies to components of circular and other cross sections. This European Standard applies equally to components which are factory-made and to those constructed on site, where applicable. This European Standard does not apply to components used for trenchless construction according to EN 14457 and for components used for renovation of drains and sewers according to EN 13380.