高铁站片区给水管网系统工程技术标书word（510页） (1)VIP免费

第 1 章 工程重难点及主要施工方案.....................................11.1工程概况......................................................11.1.1工程信息................................................11.1.2施工范围................................................11.1.3技术标准................................................31.1.4施工条件................................................51.1.5编制依据................................................61.1.6编制原则...............................................101.2工程重难点分析...............................................111.3工程重难点应对措施...........................................131.3.1确保测量工作的准确性...................................131.3.2降低专业交叉干扰措施...................................151.3.3基础不均匀沉降控制.....................................171.3.4管道焊接质量控制.......................................181.3.5管道焊接后外防腐层补口质量控制.........................181.3.6文明施工及环境保护措施.................................191.3.7扬尘治理控制措施.......................................191.3.8廊内管道运输措施.......................................261.3.9成品保护措施...........................................291.3.10原材料质量控制措施.....................................381.4测量施工方案.................................................561.4.1测量准备工作...........................................561.4.2平面与标高控制网的建立.................................591.4.3土方施工测量控制.......................................621.4.4管线坡度控制...........................................631.4.5工程竣工测量...........................................641.5廊内管线施工方案.............................................651.5.1管道吊装...............................................651.5.2廊内管道运输...........................................691.5.3混凝土支墩施工.........................................701.5.4球墨铸铁管道安装.......................................731.5.5不锈钢管道安装...........................