xxxx污水处理厂工程深基坑安全专项施工方案1．工程概况.....................................................................................................................................-4-1.1工程简介.......................................................................................................................................-4-1.2施工平面布置.............................................................................................................................-4-1.2.1施工场地布置..................................................................................................................-4-1.2.2施工道路.............................................................................................................................-4-1.2.3水电安装.............................................................................................................................-4-1.3施工要求和技术保证条件...................................................................................................-4-1.4工程地质及水文地质.............................................................................................................-5-1.4.1工程地质.............................................................................................................................-5-1.4.2水文地质.............................................................................................................................-6-2、进度计划.....................................................................................................................................-8-3、材料及设备配置计划............................................................................................................-9-3.1材料计划.......................................................................................................................................-9-4基坑降水.........................................................................................................................................-9-4.1基坑降水方案比选..................................................................................................................-9-4.2地下水.......................................................................................................................................-10-4.3降水井结构设计.......................................................................................................................-11-4.4降水井施工工艺.......................................................................................................................-11-4.5降水试运行..................................................................................................................................-13-4.5.1前期准备.............................................................................................................................-13-4.5.2降水运行.............................................................................................................................-13-4.5.3降水运行注意事项........................................................................................................-14-4.5.4降水井后期处理.............................................................................................................-14-5、基坑监测及沉降监测方案......................................
