本标准涵盖了用于住宅和商业应用的需求驱动雨水分流系统和相关电气/机械控制部件，并规定了材料、物理特性、性能测试和标记的要求。注:本标准涵盖的需求驱动型雨水分流系统示例如图1和图2所示。

This Standard covers demand driven storm water diversion systems and associated electrical/mechanical control components intended for residential and commercial applications and specifies requirements for materials, physical characteristics, performance testing, and markings.Note:An example of a demand driven storm water diversion system covered by this standard is shown in Figures 1 and 2.