滇中引水工程刷新建设“进度条” 一期工程隧洞合计掘进710.4公里

Group 1 - The Dianzhong Water Diversion Project is the largest water resource allocation project in Southwest China, with the first phase of the project achieving a total excavation of 710.4 kilometers for main tunnels, branch tunnels, and shafts [1][2] - As of June 2025, the water source project of the first phase has fully entered the equipment installation stage, with 93.2% of the water conveyance project completed, totaling 618.7 kilometers out of 664 kilometers [1] - The project faces "six world records" and "ten world-class technical challenges," making it a significant engineering feat in the field of water resources [1] Group 2 - Upon completion, the Dianzhong Water Diversion Project is expected to divert 3.4 billion cubic meters of high-quality water annually to central Yunnan, alleviating water supply conflicts for urban production and living, and improving the ecological and water environment of rivers and lakes in the region [2] - The project will benefit over 11 million people along the route, enhancing the quality of life and environmental conditions [2]