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2012年6月8日上午,在北京市北五环奥林匹克森林公园的东干渠盾构始发井位置,随着轰鸣的挖掘机铲起第一斗土,计划总投资91.7亿元的北京市南水北调配套工程东干渠工程正式开工。这是目前北京市南水北调配套工程中线路最长、投资最大的地下输水工程,工程的开工标志着北京市南水北调配套工程建设进入高峰期。东干渠输水隧道承担着为北京东北部及东部地区(包括为第八水厂、第十水厂、亦庄水厂、通州水厂和永乐水厂以及首都新机场等)提供南水北调和密
On the morning of June 8, 2012, at the start of the well of the trunk canal of the Olympic Games in the North Fifth Ring Olympic Park in Beijing, as the roaring excavator shoved the first battlefield, a total investment of 9.17 billion yuan was planned for the Beijing South Water Transfer Project Supporting Project East Main Canal project officially started. This is the longest and most expensive underground water conveyance project in the supporting project of the North Water Transfer Project in Beijing. The commencement of the project marks the peak of the construction of the North-South Water Transfer Project in Beijing. The trunk canal diversion tunnel undertakes to provide the South-to-North Water Diversion Project for the northeastern and eastern parts of Beijing (including the 8th Water Works, the 10th Water Works, the Yizhuang Water Works, the Tongzhou Water Works, the Yongle Water Works, and the new capital airport)