EN 12056-5 : Gravity drainage systems inside buildings - Part 5: Installation and testing, instructions for operation, maintenance and use.

This document applies to gravity drainage systems for wastewater in residential buildings as well as commercial, institutional, craft, and industrial buildings. The variety of installation practices across Europe has led to the existence of numerous systems, several of the main ones being described in this standard. It is not intended to set out the details or complexities specific to each system. The documents listed in Annex A provide additional information that may be used when applying this standard.