木里河俄公堡水电站厂房土建及安装工程施工组织设计 2009年8月15日
目 录
第一章 综合说明 .......................................................................... - 1 -
1.1 编制说明 .............................................................................................................. - 1 - 1.2 编制依据 .............................................................................................................. - 1 - 1.3 工程概况 .............................................................................................................. - 1 - 1.3.1工程总体情况 ······················································································· - 1 - 1.3.2本合同工程概况 ···················································································· - 1 - 1.4 合同项目及工作内容 .......................................................................................... - 2 - 1.4.1本合同应完成的工程项目和工作内容 ······················································· - 2 - 1.4.2本合同主要工程量 ················································································· - 3 - 1.5 合同工期和工程控制性进度 .............................................................................. - 6 - 1.6 现场自然条件 ...................................................................................................... - 7 - 1.6.1气象条件 ····························································································· - 7 - 1.6.2水文 ···································································································· - 8 - 1.6.3工程地质条件 ······················································································· - 9 - 1.7 场地与施工营地 ................................................................................................. - 11 - 1.8 交通条件 ............................................................................................................. - 11 - 1.9 水、电、弃渣及通讯条件 ................................................................................ - 12 - 1.9.1施工用水 ··························································································· - 12 - 1.9.2施工用电 ··························································································· - 12 - 1.9.3施工通讯 ··························································································· - 12 - 1.9.4弃存渣场 ··························································································· - 12 - 1.10 施工材料及设备供应条件 .............................................................................. - 12 - 1.10.1材料供应 ·························································································· - 12 - 1.10.2设备供应 ·························································································· - 13 -
第二章 施工总体规划 ................................................................ - 14 -
2.1 对本工程的认识 ................................................................................................ - 14 - 2.1.1对施工条件的认识 ··············································································· - 14 - 2.1.2对工程施工特性的认识 ········································································ - 14 - 2.2 工程施工的重点、难点分析及其对策 ............................................................ - 15 - 2.2.1重难点一：工期紧张 ··········································································· - 15 - 2.2.2重难点二：施工安全问题 ····································································· - 16 -
I 木里河俄公堡水电站厂房土建及安装工程施工组织设计 2009年8月15日
2.2.3重点三：防渗和汛期水位控制 ······························································· - 18 - 2.2.4重难点四：土石方开挖施工组织与管理 ·················································· - 18 - 2.2.5重难点五：厂房混凝土施工质量控制 ····················································· - 19 - 2.3 施工总体规划原则 ............................................................................................ - 19 - 2.4 总体施工程序规划 ............................................................................................ - 20 - 2.4.1施工总体程序安排原则 ········································································ - 20 - 2.4.2施工程序 ··························································································· - 21 - 2.5 主要施工技术方案简述 .................................................................................... - 22 - 2.5.1施工导流 ··························································································· - 22 - 2.5.2土石方开挖施工方案简述 ····································································· - 22 - 2.5.3混凝土施工方案简述 ··········································································· - 23 - 2.5.4钻孔灌浆施工方案简述 ········································································ - 23 - 2.5.5压力钢管安装施工方案简述 ·································································· - 23 - 2.6 施工总体目标 .................................................................................................... - 24 - 2.6.1施工进度目标 ····················································································· - 24 - 2.6.2施工质量目标 ····················································································· - 24 - 2.6.3施工安全目标 ····················································································· - 24 - 2.6.4工程成本控制目标 ··············································································· - 25 - 2.6.5文明施工与环保水保目标 ····································································· - 25 -
第三章 施工总平面布置 ............................................................ - 26 -
3.1 布置原则及条件 ................................................................................................ - 26 - 3.2 施工风水电、供风及道路布置 ........................................................................ - 26 - 3.2.1施工道路布置 ····················································································· - 26 - 3.2.2施工供电 ··························································································· - 27 - 3.2.3施工供水 ··························································································· - 28 - 3.2.4施工供风 ··························································································· - 29 - 3.3 施工通风及排水 ................................................................................................ - 30 - 3.3.1施工通风系统布置 ··············································································· - 30 - 3.3.2施工排水 ··························································································· - 30 - 3.4现场生产辅助设施 ............................................................................................. - 31 - 3.4.1 现场临时设施 ······················································································ - 33 - 3.4.2 主要施工辅助企业建筑特性 ··································································· - 33 -
II 木里河俄公堡水电站厂房土建及安装工程施工组织设计 2009年8月15日
3.5 砂石料及混凝土拌和系统 ................................................................................ - 34 - 3.6 制浆及配浆系统 ................................................................................................ - 35 - 3.6.1系统布置方案 ····················································································· - 35 - 3.6.2制浆系统 ··························································································· - 35 - 3.6.3输浆系统 ··························································································· - 36 - 3.6.4系统排污 ··························································································· - 36 - 3.7 生产、生活营地规划 ........................................................................................ - 36 - 3.7.1办公生活营地规划 ··············································································· - 36 - 3.7.2生产区规划 ························································································ - 37 - 3.8 场地防洪防火及消防系统 ................................................................................ - 38 - 3.8.1场地防洪安全措施 ··············································································· - 38 - 3.8.2场地防火安全措施 ··············································································· - 38 - 3.9 场地内设施环境保护 ........................................................................................ - 38 - 3.9.1污水处理设施 ····················································································· - 38 - 3.9.2场地内的污（废）水的收集和处理 ························································ - 38 - 3.9.3施工现场的污（废）水的收集和处理 ····················································· - 38 - 3.9.4废弃物处理 ························································································ - 39 -
第四章 施工总进度计划 ............................................................ - 40 -
4.1 进度计划编制的依据和原则 ............................................................................ - 40 - 4.1.1总进度计划及要求 ··············································································· - 40 - 4.1.2编制依据 ··························································································· - 40 - 4.1.3编制原则 ··························································································· - 40 - 4.1.4主要节点工期及目标 ··········································································· - 40 - 4.2 主要项目的施工进度安排 ................................................................................ - 42 - 4.3 施工工期保证措施 ............................................................................................ - 43 - 4.3.1施工组织保证措施 ··············································································· - 43 - 4.3.2技术管理保证措施 ··············································································· - 43 - 4.3.3质量管理保证措施 ··············································································· - 44 - 4.3.4进度管理保证措施 ··············································································· - 44 - 4.3.5施工资源管理保证措施 ········································································ - 45 - 4.3.6环境及文明施工保证措施 ····································································· - 45 - 4.3.7施工安全保证措施 ··············································································· - 45 -
III 木里河俄公堡水电站厂房土建及安装工程施工组织设计 2009年8月15日
4.3.8进度计划控制措施 ··············································································· - 45 - 4.3.9工期影响因素及预防措施 ····································································· - 46 - 4.3.10特殊气象条件下的专项施工措施 ·························································· - 47 - 4.3.11关键项目工期控制 ············································································· - 49 - 4.3.12赶工措施 ·························································································· - 49 -
第五章 施工组织机构 ................................................................ - 51 -
5.1 人员配置及进场计划 ........................................................................................ - 52 - 5.1.1人员配置 ··························································································· - 52 - 5.1.2进场计划 ··························································································· - 54 - 5.2退场计划 ............................................................................................................. - 54 - 5.2.1施工人员 ··························································································· - 54 - 5.2.2管理人员 ··························································································· - 54 -
第六章 混凝土拌和系统 ............................................................ - 55 -
6.1 设计依据 ............................................................................................................ - 55 - 6.2 混凝土生产系统设备选型 ................................................................................ - 55 - 6.3 混凝土生产系统布置 ........................................................................................ - 57 - 6.4 混凝土生产系统的工艺流程 ............................................................................ - 60 - 6.5 混凝土生产系统安装与调试 ............................................................................ - 60 - 6.5.1施工工序总体程序 ··············································································· - 60 - 6.5.2具体施工方法 ····················································································· - 60 - 6.5.3混凝土拌合系统主要施工设备及工程量 ·················································· - 61 - 6.6 混凝土生产系统运行与管理 ............................................................................ - 62 - 6.6.1一般规定 ··························································································· - 62 - 6.6.2设备操作规程 ····················································································· - 63 - 6.7 混凝土生产质量控制措施 ................................................................................ - 68 - 6.7.1生产材料的控制措施 ··········································································· - 68 - 6.7.2混凝土温度控制措施 ··········································································· - 71 -
第七章 施工导流及水流控制 ..................................................... - 72 -
7.1 水文气象条件 .................................................................................................... - 72 - 7.1.1气象条件 ··························································································· - 72 - 7.1.2水文 ·································································································· - 72 - 7.2 地质特征 ............................................................................................................ - 73 -
IV 木里河俄公堡水电站厂房土建及安装工程施工组织设计 2009年8月15日
7.3 施工导流工作范围 ............................................................................................ - 74 - 7.4 施工导流规划 .................................................................................................... - 74 - 7.4.1施工导流方案 ····················································································· - 74 - 7.4.2施工导流标准 ····················································································· - 74 - 7.5 围堰设计 ............................................................................................................ - 74 - 7.5.1围堰设计原则 ····················································································· - 74 - 7.5.2围堰设计 ··························································································· - 75 - 7.6 围堰施工 ............................................................................................................ - 76 - 7.6.1施工道路布置 ····················································································· - 76 - 7.6.2围堰施工 ··························································································· - 76 - 7.7 施工排水 ............................................................................................................ - 83 - 7.7.1厂房基坑排水 ····················································································· - 83 - 7.7.2压力管道洞内排水 ··············································································· - 84 - 7.8 围堰的运行和维护 ............................................................................................ - 85 - 7.9 围堰拆除 ............................................................................................................ - 85 - 7.10 围堰施工主要机械设备表 .............................................................................. - 85 -
第八章 各分部、分项工程主要施工方法 ....................................... 87
8.1 施工支洞施工 ......................................................................................................... 87 8.1.1支护设计及主要工程量 ············································································ 87 8.1.2开挖施工 ······························································································· 88 8.1.3 洞内供风、水、电 ·················································································· 91 8.1.4支护工程施工 ························································································· 92 8.1.5支洞混凝土施工 ······················································································ 94 8.2压力管道施工 .......................................................................................................... 96 8.2.1压力管道开挖施工 ··················································································· 96 8.2.2压力管道混凝土施工 ··············································································· 99 8.2.3压力钢管制作、安装施工 ······································································· 100 8.2.4钻孔和灌浆 ·························································································· 119 8.3 地面厂房工程施工 ............................................................................................... 121 8.3.1开挖支护施工 ······················································································· 121 8.3.2主厂房、安装间、GIS楼、副厂房混凝土施工 ··········································· 129 8.3.3主厂房二期混凝土施工 ·········································································· 136 8.3.4闸门槽二期混凝土施工 ·········································································· 140
V