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“超级工程”从“造船厂”里起航

2017-08-04 06:34:51   中国青年网

光明路延伸工程主线全长约7000米,主要建设内容包括新建道路工程、市政桥梁工程、跨铁路桥梁工程、地下通道工程、照明工程、雨水工程、污水工程、交通工程、绿化工程等。

项目由大连市城建局作为市政府授权的实施机构,通过公开招标方式选定中国交通建设集团股份有限公司联合体作为社会资本方。

大连城市建设投资集团有限公司作为政府方出资代表,与社会资本共同出资成立大连湾海底隧道有限公司(以下简称“项目公司”),具体负责项目的实施。项目公司在获得政府特许授权后负责本项目勘察设计、投融资、建设、运营及维护,政府方则根据绩效考核结果,按照约定向项目公司付费购买其提供的基础设施产品及服务,合作期满后项目公司将项目所有设施无偿移交给政府。

意义

一条纵贯南北的快速通道

大连是我国东北对外开放的窗口和最大的港口城市,位于东北亚经济区的中心区域,地理位置优越,拥有交通、航运、贸易、物流、旅游等多重优势。同时也应看到,大连的城市地理特点使中心城区(包括中山区、西岗区、沙河口区、甘井子区)的空间发展形态大体上呈“C”状,由于被大连湾分隔,南北方向通道少,老市区进出交通“瓶颈”问题突出。

根据大连市的城市总体规划,为了加强大连湾南北两岸的联系、拓展大连市城市发展空间,大连市提出建设大连湾海底隧道和光明路延伸工程。项目建设期静态总投资163.1亿元,建成后将为大连市增加一条纵贯南北的快速通道,对于推动大连湾两岸一体化,打造环渤海、黄海沿海经济圈具有重要意义。

难点

克服5大难点建成百年工程

建设标准高,隧道等主体工程的设计使用寿命为100年,采用国际一流的建设标准。

结构型式多,项目涉及预制浮运安装沉管结构、现浇暗埋段隧道结构、填海筑岛结构、地上地下立交、止水围堰等结构型式,相关专业技术多、作业条件复杂。需要统筹兼顾和科学组织设计、施工及运维,投入大量先进技术和专用船机设备实施该项目。

环保要求高,施工区域位于大连核心港区,毗邻东港、梭鱼湾、钻石湾等商务区,环境保护十分重要。

技术站位高,项目建设与运维技术、数字化技术高度融合,将秉承“运维需求引导设计,设计支持配合施工,施工联动优化设计,数字建造服务运维”的理念,形成“开放兼容、务实创新、和谐共赢”的项目文化,以系统思维、科学方法、精细化管理建设该目标。

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