scope:

In conjunction with one of the parts 1 to 3, 5 and 7 of EN 1591, it is applicable to PE pipes, fittings, ancillary equipment and their joints and to joints with components (marked with "B" or "BD") of other plastics and non-plastics materials intended to be used for the following purposes: a) soil and waste discharge pipework for the conveyance of domestic waste waters (low and high temperature); b) ventilation pipework associated with a); c) rainwater pipework within the building structure. It is applicable to pipes and fittings (marked with "B") which are intended to be used above ground only and to pipes and fittings (marked with "BD") which are intended to be used above and burried in ground within the building structure.