This document specifies 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. It specifies the evaluation of conformity for the performance requirements of products according to this document.