Through the analysis and study of the conditions of the existing drainage facilities in Changning District of Shanghai, the article preliminarily probes into the existing problems now, puts forward to perfect and support the drainage facilities and strengthens the establishment of the supporting policy and the implementation of management measures.

The paper makes the following approaches: how to combine the temporary drainage facilities during the construction with the permanent drainage facilities during operation as well as the drainage facilities with other facilities or other usages.

The generation of foul smell in urban drainage facilities is inevitable and very harmful,and the distribution of foul smell source is of certain regulation.

In the process of explore nature and improve our lives, material and design of drainage facilities has been improved continuously, and drainage system for the living areas and recreation has been perfected gradually.

Thus it is necessary to balance capital input in the overall input system for the infrastructure construction so as to keep harmonious development of the drainage system on the basis of a long-term planning of building a civilized and modernized city.

On the background of construction supervision of the added flood draining facility of 4# tail pond in Dexing Copper Mine, the paper elaborates how the supervision engineers play an important role to facilitate the scientific supervision and achieve the 3 major objects of project by utilizing the knowledge, skill and experience of construction supervision.