It has corresponding theoretical support to the con-struction of building drainage engineering at present, and the construction units wil add some theoretical knowledge as the basis, in order to improve the efficiency of project completion. This paper describes the common problems in the construction of drainage, and construction quality control key points.%当今建筑在给排水工程施工方面已经有了相应的理论支撑，施工单位会补充一些理论知识作为基础，以此来提高工程完成的效率。文章叙述了排水施工中常见的问题，以及施工后的质量管理控制要点等方面的问题。
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