社会的发展、时代的变迁、中国人民生活水平的全面小康化,使得我们的居所由简单的生活住宿功能向着舒适型、健康型、环保型转变。由此,对建筑设计的功能要求增多加强。相应的,建筑给排水的系统设计增多,工作量大量增加。以一个住宅小区来说,仅大 The development of society, the changes of the times and the overall well-being of the Chinese people’s living standards have transformed our living facilities from a simple living accommodation function to a comfortable, healthy and environment-friendly one. As a result, the functional requirements for building design have been enhanced. Correspondingly, the system design of building water supply and drainage has increased, and the workload has increased greatly. To a residential area, only large