本国际标准规定了建筑物内部土壤和废物排放（低温和高温）的未增塑聚氯乙烯（PVC-U）管道和配件以及系统本身的要求。它不包括埋地管道。 它还规定了本国际标准中提到的试验方法的试验参数。 本国际标准适用于拟用于以下目的的PVC-U管道和配件以及此类管道和配件的组件: 用于输送生活废水（低温和高温）的土壤和废物排放管道；与1相关的通风管道；建筑物内的雨水管道。

This International Standard specifies the requirements for unplasticized poly(vinyl chloride) (PVC-U) pipes and fittings for soil and waste discharge (low and high temperature) inside buildings, as well as the system itself. It does not include buried pipework. It also specifies the test parameters for the test methods referred to in this International Standard. This International Standard is applicable to PVC-U pipes and fittings, as well as assemblies of such pipes and fittings, intended to be used for the following purposes:

1. soil and waste discharge pipework for the conveyance of domestic waste waters (low and high temperature);
2. ventilation pipework associated with 1;
3. rainwater pipework inside the building.