污水处理厂截污主干管工程深基坑支护专项施工方案

污水处理厂截污主干管工程深基坑支护专项施工方案东莞市沙田镇福禄沙污水处理厂配套截污主干管工程基坑施工专项技术方案东莞市建工集团有限责任公司-1-目录一、编制依据一、编制依据·····························································-6-二、工程概况二、工程概况···························································-8-三、施工设计要求三、施工设计要求···················································-11-四、基坑支护结构设计原则及标准四、基坑支护结构设计原则及标准······························-12-五、支护方案的选取五、支护方案的选取················································-13-六、施工准备六、施工准备·························································-13-1、人力资源、人力资源···························································-13-2、机械设备、机械设备···························································-14-3、技术准备、技术准备···························································-15-4、物质准备、物质准备···························································-15-5、现场准备、现场准备···························································-15-7、施工测量与保护、施工测量与保护··················································-16-（1）施工测量前准备··············-16-（2）测量放线·················-16-（