随州碧桂园云山竹语 D-2区二标段 537#、538#、539#楼 基坑降、排水施工方案 技术负责人: 编制单位:湖北三箭建筑有限公司 编制日期:二〇一三年十月十二日 目 录 1. 工程概况··························································· 1 2. 场地工程地质情况 ····················································· 1 2.1. 地层结构及岩性特征 ······························································· 1 2.2. 场地水文及气象情况················································ 1 3. 基坑降排水设计 ···············