目录1、编制依据..............................................................................................................................................................22、工程概况..............................................................................................................................................................22.1工程地理位置及周边环境.............................................................................................................................22.2工程设计概况.................................................................................................................................................33、工程地质条件......................................................................................................................................................43.1场区地层情况.................................................................................................................................................43.2场区地下水情况.............................................................................................................................................64、施工准备..............................................................................................................................................................74.1技术准备.........................................................................................................................................................74.2机具准备.........................................................................................................................................................74.3材料准备.........................................................................................................................................................75、施工安排..............................................................................................................................................................85.1施工部署及工期安排.....................................................................................................................................85.2劳动组织及责任分工.....................................................................................................................................86、施工工艺流程......................................................................................................................................................97、施工方法..............................................................................................................................................................97.1施工准备及测量定位.....................................................................................................................................97.2泥浆拌制.........................................................................................................................................................97.3钻机就位、调整.............................................................................................................................................97.4钻孔...............................................................................................................................................................107.5沉放井管.......................................................................................................................................................107.6洗井...............................................................................................................................................................107.7安装潜水泵及试抽.......................................................................................................................................107.8施工排水方案...............................................................................................................................................107.9降水井施工质量及技术要求.......................................................................................................................117.10施工质量评定验收标准...........................................................................