N-LE-CQ-CM-地下工程施工方案.docVIP

中国核工业二三建设有限公司林德化医（重庆）项目部  PAGE \* MERGEFORMAT 20 页 共  NUMPAGES \* MERGEFORMAT 20 页 Contents 目录 Project overview 工程概况1-3 Fabrication reference 编制依据3-3 三、Construction principle 施工准备3-3 四、Underground engineering construction process 地下工程施工流程4-9 五、Underground engineering construction process and construction methods 地下工程施工工艺及施工方法9-13 六、Safety attentions 安全注意事项16-16 一、Project Overview 工程概况 This project is Linde Huayi(Chongqing) Gases Co., Ltd 1 Billion Nm3/year Syngas CO/H2 project, located in Chongqing(Changshou) Chemical Industry Park, and the main work contains substation、office、parts stock、compression unit 、power absorption unit、washing unit、raw material gas compressor unit 、high temperature shift unit etc.. 本项目为林德化医（重庆）气体有限公司10 亿Nm3/年合成气制备CO/H2 项目，位于重庆（长寿）化工园区内， 其中主体工作包括变电所、办公楼、备件仓库、压缩单元、变电吸附单元、洗涤单元、原料气压缩单元、高温变换单元等。 The underground engineering projects include: underground pipeline comprises a circulating water system, water system, water supply and drainage system, the total extension of about 1950m pipeline. 本项目地下工程包括：地下管道包括循环水系统、工业水系统、给排水系统，各管道共计延长米约1950m。 Fire fighting pipe: integration of the project in the project area is set DN500 ring fire fighting pipe, and is arranged along SS 150/80-1.6 ground outdoor fire hydrant and a switching valve. This project from the integration of annular fire tube online leads to 4 DN300 fire tube, along the border area road pulling, and in the area of fire ring pipe is arranged along 5 SS150/80-1.6 type outdoor ground hydrants and a switching valve. 消防管网:一体化项目在本项目界区外已设置DN500环状消防管网，并沿线设置SS 150/80-1.6型地上式室外消火栓及切换阀门。本项目从一体化环状消防管网上引出4根DN300消防管，沿界区道路边敷设，并在界区内消防环管沿线设置5只SS150/80-1.6型室外地上式消火栓及切换阀门。 Rainwater drainage pipe network: diameter of less than 600 is made of polyethylene (PE) spiral corrugated tube, heat shrinkable belt connection. DN600 uses reinforced concrete pipes, cement mortar socket connection. 雨水排水管网：直径小于600采用聚乙烯(PE)螺旋波纹管，热收缩带连接。DN600采用钢筋混凝土管，水泥砂浆承插连