粗格栅及提升泵房土方开挖降水支护方案目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc318622557"一、工程概况PAGEREF_Toc318622557\h5HYPERLINK\l"_Toc318622558"（一）现场情况PAGEREF_Toc318622558\h5HYPERLINK\l"_Toc318622559"（二）深基坑地理条件PAGEREF_Toc318622559\h5HYPERLINK\l"_Toc318622560"（三）场地水文地质工程条件PAGEREF_Toc318622560\h5HYPERLINK\l"_Toc318622561"（四）施工条件PAGEREF_Toc318622561\h5HYPERLINK\l"_Toc318622562"（五）技术保障条件PAGEREF_Toc318622562\h6HYPERLINK\l"_Toc318622563"1.技术准备PAGEREF_Toc318622563\h6HYPERLINK\l"_Toc318622564"2.人员准备PAGEREF_Toc318622564\h6HYPERLINK\l"_Toc318622565"二、编制依据PAGEREF_Toc318622565\h7HYPERLINK\l"_Toc318622566"三、施工计划PAGEREF_Toc318622566\h8HYPERLINK\l"_Toc318622567"（一）工期计划及保障措施PAGEREF_Toc318622567\h8HYPERLINK\l"_Toc318622568"1.工期计划PAGEREF_Toc318622568\h8HYPERLINK\l"_Toc318622569"2.工期保障措施PAGEREF_Toc318622569\h8HYPERLINK\l"_Toc318622570"（二）材料、设备计划PAGEREF_Toc318622570\h9HYPERLINK\l"_Toc318622571"1.材料、设备需求概况PAGEREF_Toc318622571\h9HYPERLINK\l"_Toc318622572"2.材料、设备需求计划PAGEREF_Toc318622572\h10HYPERLINK\l"_Toc318622573"四、施工工艺技术PAGEREF_Toc318622573\h11HYPERLINK\l"_Toc318622574"（一）施工方法的确定PAGEREF_Toc318622574\h11HYPERLINK\l"_Toc318622575"1．开挖方案的确定PAGEREF_Toc318622575\h11HYPERLINK\l"_Toc318622576"2.降水施工PAGEREF_Toc318622576\h13HYPERLINK\l"_Toc318622577"3.护坡方案的确定PAGEREF_Toc318622577\h13HYPERLINK\l"_Toc318622578"（二）工艺流程PAGEREF_Toc318622578\h13HYPERLINK\l"_Toc318622579"1.基坑施工流程PAGEREF_Toc318622579\h13HYPERLINK\l"_Toc318622580"2.排降水工艺流程PAGEREF_Toc318622580\h13HYPERLINK\l"_Toc318622581"3.土方开挖流程PAGEREF_Toc318622581\h13HYPERLINK\l"_Toc318622582"4.边坡喷锚工艺流程PAGEREF_Toc318622582\h13HYPERLINK\l"_Toc318622583"（三）施工步骤PAGEREF_Toc318622583\h13HYPERLINK\l"_Toc318622584"1.降水井设计PAGEREF_Toc318622584\h13HYPERLINK\l"_Toc318622585"2.管井制作PAGEREF_Toc318622585\h16HYPERLINK\l"_Toc318622586"3.边坡喷锚施工PAGEREF_Toc3