深基坑工程降水是基坑工程施工中的一个难点 ,是保证深基础施工质量的关键 ,降水方案的选择是否合理。关系到工程施工的成败。我们在南京数码港工程深基坑工程降水中选择了管井法。现介绍如下 :南京数码港工程北临珠江路 ,南靠秦淮河。建筑面积为2 10 0 0ｍ2 ,地下 2层 ,地上 1 Dewatering of deep foundation pit project is a difficult point in the construction of foundation pit project. It is the key to ensure the quality of deep foundation construction and the choice of precipitation plan is reasonable. Related to the success of construction. We selected the well control method in the deep foundation pit project in Nanjing Cyberport project. Are introduced as follows: Nanjing Cyberport project north of Zhujiang Road, south of the Qinhuai River. Construction area of ​​2 10 0m2, 2 underground floors, 1 on the ground