深沟槽安全专项施工方案word（105页）VIP免费

泾河新城泾干片区雨污分流（二期）工程施工项目深沟槽安全专项施工方案编 制： 审 核： 审 批： 日 期： 目 录第一章 编制依据.........................................................1第二章 工程概况.........................................................32.1 工程概述.....................................................................32.2 设计情况.....................................................................32.3 地质勘察情况................................................................73第三章 施工计划........................................................743.1 施工进度计划................................................................743.2 材料与设备计划..............................................................753.2.1 主要施工机械、设备表.....................................................753.2.2 主要材料需用计划.........................................................76第四章 施工工艺技术....................................................764.1 工艺流程....................................................................764.2 施工方法及技术..............................................................774.2.1 施工准备.................................................................774.2.2 测量放样.................................................................784.2.3 围挡安装.................................................................784.2.4 路面破除.................................................................794.2.5 沟槽开挖及地基处理.......................................................804.2.6 砼基础施工...............................................................844.2.7 管道安装.................................................................854.2.8 检查井施工...............................................................874.2.9 雨水口施工...............................................................884.2.10 闭水试验................................................................894.2.11 沟槽回填...........