南通电厂雨水泵站沉井组织设计

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1、南通电厂雨水泵房站沉井工程南通电厂雨水泵站沉井工程施工组织设计编制单位：南通市顺安隆建设工程有限公司编制日期：二○一二年七月十五日98南通市顺安隆南通电厂雨水泵房站沉井工程施工组织设计目录第一章总体概述····························61.1编制说明及依据························61.1.1编制说明························61.1.2编制施工组织设计的依据·················61.2工程概况及厂区工程地质··················

2、·71.3主要工程量汇总·······················8第二章施工部署·························92.1工程施工目标······················92.1.1施工质量目标·····················92.1.2施工安全目标·····················92.1.3文明施工与环境保护目标················92.1.4施工现场准备工作计划··················102.1.5物资准备工作计划·················

3、··102.1.6施工技术准备工作计划·················1198南通市顺安隆南通电厂雨水泵房站沉井工程2.1.7其它施工准备工作计划·················112.2建立完善的施工组织管理体系················122.3劳动力的投入计划······················142.4拟投入施工机械及仪表一览表··················152.5质量保证体系与关键工序、特殊过程控制点··········162.6关键安全控制重点部位···················1

4、62.7与总包、监理工程师、设计师的协调··············172.8作业进度控制计划及施工顺序················172.8.1施工进度计划表····················172.8.2作业程序沉井施工流程图················172.8.3沉井下沉施工流程图···················192.9施工平面布置图·······················1998南通市顺安隆南通电厂雨水泵房站沉井工程2.10主要施工机械的选择····················21第

5、三章主要分部分项工程施工方案·················223.1平整场地··························223.2测量放线·························223.2深井降水施工························223.3.1降水井施工的目的···················223.3.2降水井理论设计····················233.4开挖基坑··························293.5铺设砂及混凝土垫层·············

6、········293.6沉井分节制作························303.7刃脚及隔墙砖胎模砌筑····················313.8沉井模板施工方法······················3198南通市顺安隆南通电厂雨水泵房站沉井工程3.9砼工程···························523.9.1沉井砼浇筑施工要点··················523.9.2对商品砼的要求····················533.9.3泵送砼的原材料及配合比要求········

7、······533.9.4砼施工缝的处理····················543.9.5商品砼施工对模板及钢筋的保护·············553.9.6沉井模板拆除·····················553.9.7砼的养护·······················553,9,8脚手架工程······················553.9.9钢板桩封闭······················563.9.10预埋件工程······················573.9.11沉井排水下沉主要施工方法

8、···············573.10沉井下沉系数验算·····················623.11沉井不排水下沉······················633.11.1沉井水下封底·····················643.11.2水下浇筑砼············