目 录1、工程概况..................................................................................................................................12 、编制范围及依据 ...................................................................................................................... 1 2 。 1 编制范围 ......................................................................................................................... 1 2 。 2 编制依据 ......................................................................................................................... 1 3 、沟槽开挖施工 .......................................................................................................................... 2 3.1 沟槽开挖前准备工作 ....................................................................................................... 2 3.2 污水工程沟槽施工 ........................................................................................................... 3 3.3 雨水工程沟槽开挖施工 ................................................................................................... 4 3 。 4 路基开挖及混凝土桥台挡墙基坑开挖施工 ................................................................. 7 3.5 交通工程基础开挖施工 ................................................................................................... 7 3.6 电力土建排管及通信管道 沟槽开挖 ............................................................................... 7 4 、沟槽开挖安全保证措施 .......................................................................................................... 7 4.1 堆土安全保证措施 ........................................................................................................... 7 4 。 2 机械挖土安全保证措施 ............................................................................................. 7 4 。 3 槽底施工安全保证措施 ............................................................
