重庆史上投资规模最大水利工程全线通水

Core Insights - The Chongqing West Water Resource Allocation Project is the largest cross-regional water conservancy project in Chongqing's history, benefiting approximately 10 million people and covering an area of 11,800 square kilometers [1] Group 1: Project Overview - The project has a total investment of 14.345 billion RMB and a construction period of 54 months [1] - It is designed to supply an average annual water volume of 1.012 billion cubic meters, with 467 million cubic meters for domestic use and 545 million cubic meters for industrial use [1] - The project aims to alleviate water scarcity in the Chongqing West region, which is a core area for industrialization and urbanization [1] Group 2: Engineering Challenges - The construction faces complex geological conditions and must cross over 200 critical infrastructures, including highways, railways, and oil and gas pipelines [2] - Innovative construction techniques, such as a 36% super steep slope pipe jacking method, have been employed to overcome these challenges [2] - The project also utilizes a composite technique of underwater rotary drilling and land water grinding drilling to address deep-water operation challenges while adhering to environmental commitments [2]