NBN CEN/TS 1852-3/A1:2005

This Part of EN 1852, together with EN 1046 and EN 1610, provides a set of guidelines for the installation of piping system according to this standard. It is applicable to piping systems made from polypropylene (PP) 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".