Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized poly(vinyl chloride) (PVC-U) - Part 3: Guidance for installation
This Prestandard, together with prENV 1046:2000 and EN 1610:1997, provides a material-specific set of guidelines for the installation of piping systems made of unplasticized poly(vinyl chloride) (PVC-U) in the field of non-pressure underground drainage and sewerage. - outside the building structure (application area code ""U""); - both buried in ground within the building structure (application area code ""D"") and outside the building. This is reflected in the marking of products by ""U"" and ""UD"".