Provides performance requirements for: - vitrified clay pipes, fittings and pipe joints as defined in EN 295-1, - special fittings, adaptors and compatible accessories as defined in EN 295-4, - perforated vitrified clay pipes and fittings as defined in EN 295-5, - vitrified clay manholes as defined in EN 295-6, - vitrified clay pipes and joints for pipe jacking as defined in EN 295-7, for buried drain or sewer systems for the conveyance of sewage and surface water (including rain water) under gravity or occasionally at low head of pressure.