目 录一．工程概况.......................................................11.1 工程内容......................................................11.2 工程管道管材..................................................11.3 工程地质......................................................11.3.主要工程量....................................................3二．施工准备及施工总平面布置.......................................42.1 施工准备......................................................42.1.1 人员准备..................................................42.1.2 技术准备..................................................42.1.3 材料、物资设备准备........................................52.2 施工总平面布置................................................52.2.1 临设......................................................52.2.2 临时排水及污水排放........................................62.2.3 临时用电..................................................62.2.4 临时用水...................................................72.2.5 工地试验室.................................................72.2.6 堆土及弃土点...............................................72.2.7 现场卫生...................................................82.2. 8 对雨季和汛期现场排水系统的日常维修措施...................82.2.9 施工总平面布置图..........................................8三.主要施工方法及技术措施..........................................83.1 施工方法......................................................83.2 施工工艺流程..................................................93.3 施工工艺及要点...............................................103.3.1 测量放线.................................................103.3.2 井点降水（详见主要施工技术要点）..........................103.3.3 围护结构（详见主要施工技术要点）..........................103.3.4 沟槽开挖..................................................103.3.5 管道基础..................................................113.3.6 管道铺设.................................
