海南省水利电力集团有限公司琼西北供水工程建管部水利专业经理：助力构建琼西北水资源配置体系

Group 1 - The Qiong Northwest Water Supply Project is a key national water network project under the "14th Five-Year Plan" and one of the 150 major water conservancy projects identified by the State Council, aimed at constructing a water resource allocation system in Qiong Northwest to address agricultural irrigation and urban-rural water supply issues, benefiting a population of 630,000 in Danzhou City and Baisha Li Autonomous County upon completion [2][2][2] - The construction of the Longling Tunnel, a critical node in the project with a total length of 3,532 meters, faced significant geological challenges, including water inflow and unstable rock formations, which were effectively managed through a layered excavation method to ensure stability and enhance safety and efficiency [2][2][2] - The project aims for the completion of the main works by 2025, maintaining high standards and strict requirements while promoting accelerated construction efforts to contribute to water security in Hainan Free Trade Port [2][2][2]