【正文】 1 目 錄 第一章 工程概況 .................................................................................................................................. 3 ............................................................................................................................ 3 ............................................................................................................................ 3 ............................................................................................................................ 4 、地下水位 ...................................................................................................................... 4 、 地下水水質及腐蝕性分析 ........................................................................................... 5 1． 3． 淺層地基土的滲透性 ............................................................................................... 5 第二章 方案編制依據(jù) ........................................................................................................................... 5 相關技術文件 ........................................................................................................................... 5 ............................................................................................................................ 5 、地方有關法規(guī) ................................................................................................................. 6 第三章 排降水施工方案 ....................................................................................................................... 6 ..................................................................................................................... 6 ................................................................................................................. 6 ........................................................................................................................ 7 ................................................................................................... 7 ................................................................................................... 7 第四章 施工部署 .................................................................................................................................. 7 ................................................................................................................................... 7 ................................................................................................................................... 7 .......................................................................................................... 8 ........................................................................................................................ 8 ........................................................................................................................ 8 ..................................................................................................................... 9 ............................................................................................................................... 9 第五章、施工準備 ................................................................................................................................ 10 ................................................................................................................................. 10 .......................................................................................................................... 10 第六章 降水井施工流程、技術要求及排降措施 .................................................................................. 10 .......................................................................................................................... 10 降水井施工技術要求 .................................................