BS EN 752:2017规定了建筑物外排水和下水道系统的目标。它 规定了实现这些目标的功能要求以及战略和 与规划、设计、安装、运行、维护和修复有关的政策活动。它适用于废水离开建筑物、屋顶的排水和下水道系统 排水系统或铺砌区域，直至其排入废水处理厂或 接收水体。包括建筑物下方的排水沟和下水道，前提是它们不构成排水系统的一部分 建筑系统。购买本文件时可获得的所有当前修订均包含在购买本文件中。

BS EN 752:2017 specifies the objectives for drain and sewer systems outside buildings. It specifies the functional requirements for achieving these objectives and the principles for strategic and policy activities relating to planning, design, installation, operation, maintenance and rehabilitation.It is applicable to drain and sewer systems from the point where wastewater leaves a building, roof drainage system, or paved area, to the point where it is discharged into a wastewater treatment plant or receiving water body.Drains and sewers below buildings are included provided that they do not form part of the drainage system for the building.All current amendments available at time of purchase are included with the purchase of this document.