随着商住两用类建筑的增加,其给排水系统设计是否合理对今后住户的装修、日常使用与维护将产生重要影响。本文根据工程实际设计经验与体会,结合国家规范要求,对此类建筑给排水系统设计的一些特点展开探讨,分别阐述了设计中用水量的计算、管道敷设、管材的选择等几方面内容,探讨了现代住宅建筑给水排水未来的设计方向。 With the increase of commercial and residential buildings, whether the design of water supply and drainage system will be reasonable for future tenants’ decoration and daily use and maintenance will have a significant impact. Based on the actual design experience and experience of the project, combined with the requirements of national norms, this paper discusses some of the characteristics of the design of this kind of building water supply and drainage system, elaborates several aspects such as water consumption calculation, pipe laying and pipe selection in design, The design direction of the future water supply and drainage of modern residential buildings.