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长江航道整治“645工程”启动 构建“水上高速”

2017-11-08 18:35:46   新华社

新华社武汉11月8日电(记者王贤)8日上午,随着“汉工排6号”工程船将一片片沉排缓缓沉入江中,长江中游蕲春航道整治工程正式开工,拉开了人们期盼已久的“武汉至安庆6米水深、武汉至宜昌4.5米水深航道整治工程”(“645工程”)建设序幕。

宜昌至安庆段水道全长1026公里,水道蜿蜒曲折、滩多水浅,是制约长江干线通过能力的“肠梗阻”。此前的4月15日,历时27个月建设、投资43.3亿元的长江中游荆江航道整治工程正式交付使用,河段枯水期最低维护水深提高至3.8米,初步打通了长江中游“肠梗阻”,为“645工程”顺利实施奠定了坚实的基础。

交通运输部长江航务管理局局长唐冠军表示,“645工程”的实施,将有效解决长江干线航道“两头深、中间浅”问题,形成一条串起湘、鄂、赣、皖四省的“水上高速公路”,有利于武汉长江中游航运中心建设,长江干线航道通航能力也将整体飞跃。

湖北省交通运输厅厅长何光中说,“645工程”实施后,1.3万吨级内河船和1万吨级江海船将直达武汉、5000吨级内河船直达宜昌。投入运营后(按20年测算),航运直接经济效益达547亿元,沿江物流成本大幅降低,还将产生巨大的生态效益。2020年、2030年和2040年将可节约船舶能耗约2.8万吨、4万吨、4.2万吨。

黄金水道正在发挥黄金效益。长江南京以下12.5米深水航道初通,有效提升了长江江苏段大型海轮的实载率,改变了进入二期工程河段的5万吨级大型船舶需减载、亏载15%至30%运输的情况。据统计,初通航道试运行以来,吃水超过初通前9.7米限制标准的到港船舶数量增加了30%以上,其中7万吨级以上船舶到港数量增加了20%以上。

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