涵洞轻型井点降水施工方案工程名称：龙九路油田道路改造工程编制：审核：大庆油田路桥工程有限责任公司第五工程处2013年4月26日1目录1概述.........................................................................................................-1-1.1编制依据.........................................................................................-1-1.2盖板涵工程概况.............................................................................-1-1.3水文地质情况.................................................................................-1-1.4工期计划.........................................................................................-2-2轻型井点降水法施工.............................................................................-2-2.1方案比选.........................................................................................-2-2.2工作原理.........................................................................................-2-2.3轻型井点降水设计.........................................................................-3-2.3.1、井点管的埋设深度...........................................................-4-2.3.2、需井点管数量...................................................................-4-2.3.3、基坑涌水量计算...............................................................-3-2.3.4、抽水设备选用...................................................................-5-2.4降水井施工工艺.............................................................................-5-2.5轻型井点施工.................................................................................-5-2.5.1施工准备..............................................................................-5-2.5.2、井点安装...........................................................................-6-2.5.3、抽水...................................................................................-8-3质量标准及质量保证措施....................................................................-9-3.1质量标准.........................................................................................-9-3.2质量保证措施...............................................................................-10-4危险点分析..........................................................................................-11-4.1电源线老化漏电伤人。...............................................................-11-4.2塌方................................................................................................-11-4.3机械伤害........................................................................................-11-4.4高处坠落........................................................................................-11-5安全生产及文明施工措施...................................................................-11-6环保措施...............................................................................................-12-11概述1.1编制依据1.1.1.施工现场踏勘获得的资料1.1.2.图纸路-121611.1.3.《龙九路施工组织设计》1.2盖板涵工程概况龙九路是让胡路区地区区域路网东西方向的主要交通干道。属于城市中心区交通密集路段、修建路段起子创业大道与龙九路交界处，途径世纪家园、龙南公安分局、景园中学、西寨小区等终至中央大街；长2.786km。本工程设有涵洞加长5道，共56米。具体位置为：K2+608、K2+698,K2+712,K3+706,K3+716。由于地下水位高，因此在基坑开挖前需要对以上五道涵都进行井点降水。1.3水文地质情况...
