四川引大济岷工程建设启动

Core Viewpoint - The construction of the Yinda Jimi Water Diversion Project in Sichuan marks the largest investment and longest route in the province's water conservancy history, officially entering the construction phase [1] Summary by Relevant Sections Project Overview - The Yinda Jimi Project starts from the Luding Hydropower Station reservoir and extends to the Chengdu Plain, featuring a total water conveyance system of 261 kilometers, with a main line of 133 kilometers, a southern branch of 103 kilometers, and a northern branch of 25 kilometers, where over 58% of the route consists of tunnels [1] - The project is designed to divert 1.523 billion cubic meters of water annually, with an intake flow rate of 80 cubic meters per second, benefiting 34.13 million people across 43 counties in 8 cities, including Chengdu, Deyang, and Mianyang [1] Benefits and Impact - Upon completion, the project will create a dual water source network with the Dujiangyan water supply system, ending the Chengdu Plain's reliance on a single water source [1] - It will increase irrigated land by 1.79 million acres and improve irrigation on 5.91 million acres, reinforcing the irrigation security for the "Tianfu Granary" [1] - The project connects multiple rivers, enhancing regional water resource regulation and supporting ecological corridor construction in the Chengdu-Chongqing area, while also addressing water scarcity issues in Chengdu and Deyang, providing stable water sources for key industries such as electronics and equipment manufacturing [1]