柴达木盆地水资源配置一期工程3号隧洞精准贯通

Core Viewpoint - The successful completion of the No. 3 tunnel of the Qaidam Basin Water Resource Allocation Phase I Project marks a significant advancement in the construction of this major water supply initiative in Qinghai Province [1]. Group 1: Project Overview - The Qaidam Basin Water Resource Allocation Phase I Project has a total water conveyance line length of 593 kilometers and an estimated total investment of 11.497 billion yuan, with completion planned for 2029 [1]. - The No. 3 tunnel, which officially began construction on July 1, 2025, is 331 meters long and located on the southern slope of the left bank of the Nalenggele River, facing complex geological conditions and significant construction challenges [1]. Group 2: Importance and Impact - This project is part of China's 172 major water-saving and supply infrastructure projects, specifically the Nalenggele River Water Conservancy Hub supporting water supply [1]. - Upon completion, the project will enhance the water resource allocation system within the Qaidam Basin, alleviate the regional water scarcity issues, and ensure the safety of water supply for economic and social needs in the area [1].