建设中的粟家庙渡槽。 攻坚全线最长"空中长河" 11月26日，位于南充市营山县的亭子口灌区一期工程粟家庙渡槽施工现场，1座塔吊和4辆汽车吊密切配合， 正把一块重达上百吨的钢铁"大块头"，吊到二三十米的高空进行组装。 粟家庙渡槽是亭子口灌区一期工程控制性节点工程，全长2270米，最大架空高度87米，共划分为59跨，平面 设置四处转弯，与张南高速、顺蓬营一级公路、国道244线等多处既有建（构）筑物交叉，是全线长度最长、技术 难度最大、跨越建筑物最多、结构形式最复杂的渡槽，也是目前国内最大跨度预应力混凝土简支梁式渡槽。 今年6月，粟家庙渡槽的承台及墩柱全部施工完成，目前正在全力开展槽身浇筑施工。由于建设难度大、周期 长，为了抢抓建设进度，参建各方决定在粟家庙渡槽引进造槽机施工。相比传统的搭建钢管柱贝雷架施工，造槽 机具有建设效率高、施工更安全的特点。 记者在施工现场看到，这台重达1400吨的巨型造槽机已被拆分为多个部分，光数十吨、上百吨的零部件就有 三四十个。"我们从10月中旬就开始拼装造槽机，预计12月中旬拼装完毕。"施工方中国水电十四局亭子口灌区一 期工程第Ⅲ标段项目经理部安全环保部副主任马祥贵介绍。 项上的力 ...

央视网消息（新闻联播）：眼下，各地一批"十四五"重大工程项目稳步推进，助力经济社会高质量发展。 交通基础设施建设加快推进。日前，北京轨道交通22号线河北段正式开始铺轨，这是首条跨京冀的轨道交通线路，全长约81公里，共设22座车站，串联起北 京CBD核心区、北京城市副中心、河北燕郊开发区及平谷新城等区域。通车后，河北燕郊到达北京CBD最短时间约32分钟，京冀居民实现跨区域通勤再提 速。 眼下也进入到冬修水利的黄金期。作为我国"十四五"重大水利工程——山东临沂蒙河双堠水库施工加紧进行，目前工程进度已达75%，预计明年完工后，将 大大提升沂河流域防洪、供水、灌溉等功能，进一步保障农业和粮食安全生产。 在广东湛江，环北部湾广东水资源配置工程最大泵站水池即将封顶，该工程预计2031年通水，全长490多公里，届时将连通沿线12座水库，惠及1800多万 人。在四川南充，亭子口灌区一期工程正抓紧建设，预计2027年建成投运，届时将解决川东北地区370多万亩农田灌溉和400多万人的饮水问题。 在安徽，国家"八纵八横"高铁网沿江通道——巢马城际铁路全线开始铺轨，线路连接巢湖和马鞍山，预计明年建成，是皖江两岸的一条快速新通道，将进 ...

交通基础设施建设加快推进。日前，北京轨道交通22号线河北段正式开始铺轨，这是首条跨京冀的轨道交通线路，全长约81公里， 共设22座车站，串联起北京CBD核心区、北京城市副中心、河北燕郊开发区及平谷新城等区域。通车后，河北燕郊到达北京CBD最 短时间约32分钟，京冀居民实现跨区域通勤再提速。 央视网消息：眼下，各地一批"十四五"重大工程项目稳步推进，助力经济社会高质量发展。 在甘肃甘南，西宁至成都铁路格尔隧道11月22日顺利贯通，隧道平均海拔3300米，是西成铁路建成隧道中海拔最高的项目。西成铁 路串联青海、甘肃、四川三省，全线建成通车后，从西宁到成都将从过去的10小时左右减少为4个半小时左右。 眼下，也进入到冬修水利的黄金期。作为我国"十四五"重大水利工程——山东临沂蒙河双堠水库施工加紧进行。目前，工程进度已 达75%，预计2026年完工后，将大大提升沂河流域防洪、供水、灌溉等功能，进一步保障农业和粮食安全生产。 在广东湛江，环北部湾广东水资源配置工程最大泵站水池即将封顶。该工程预计2031年通水，全长490多公里，届时将连通沿线12座 水库，惠及1800多万人。 在四川南充，亭子口灌区一期工程正抓紧建设，预 ...

Core Points - The "Yin Da Ji Min" project has officially commenced, aiming to transport water from the Dadu River to the Chengdu Plain, addressing long-standing water scarcity issues in Sichuan [1][2] - This project is a significant part of Sichuan's water resource management strategy, enhancing connectivity between major rivers and optimizing water distribution across the region [2][3] Group 1: Project Background and Significance - The concept of the "Yin Da Ji Min" project dates back to the 1950s, with formal proposals emerging in the 1990s after extensive research and planning [2] - It is recognized as a key component of the "National Water Network Construction Planning Outline," serving as a crucial water supply channel for Sichuan's economic and social development [2][3] Group 2: Investment and Infrastructure Development - Sichuan's water infrastructure investment has seen historic growth, with total investments expected to exceed 280 billion yuan, marking a shift from single-channel funding to diversified financial sources [3] - Major water projects, including the Xiangjiaba irrigation area and modernization of existing systems, are progressing steadily, contributing to a more integrated water network [3][5] Group 3: Impact on Local Communities - The project aims to alleviate water scarcity in rural areas, significantly improving access to clean water for over 22 million residents through initiatives like the establishment of large-scale water supply plants [4][5] - The "Yin Da Ji Min" project is projected to provide an annual water supply of 1.523 billion cubic meters, enhancing water quality and availability for both residential and industrial needs [6][7] Group 4: Long-term Vision - The "Yin Da Ji Min" project is viewed as a new starting point in Sichuan's ongoing efforts to address water resource challenges, emphasizing the importance of sustainable water management for future development [8]

Core Viewpoint - The completion of the Yunwuzhai tunnel marks a significant milestone in the construction of the Tizikou irrigation district phase one project, which is crucial for supporting the economic and social development of drought-affected areas in northeastern Sichuan and revolutionary old districts [1] Group 1: Project Details - The Yunwuzhai tunnel has a total length of 2,928 meters and a designed water flow capacity of 6.65 cubic meters per second [1] - The Tizikou irrigation district phase one project consists of 17 channels, with a total length of 375.59 kilometers [1] - Upon completion, the project is expected to provide an average annual water supply of 396 million cubic meters [1] Group 2: Construction Challenges - The tunnel's geological conditions are complex, characterized by fractured rock, poor stability, abundant groundwater, and high gas risks, making construction difficult and safety risks high [1] - The project team has implemented strict safety measures, including the "one blast three checks" system and "three-person chain blasting system," along with advanced geological forecasting to ensure safety during construction [1] Group 3: Future Outlook - The completion of the tunnel is seen as a critical step in advancing the overall project construction, which is part of the "project attack year" initiative [1] - The project is a key component of Sichuan's "six horizontal and six vertical" backbone water network, aimed at enhancing water supply and supporting regional development [1]

Core Insights - Sichuan province is experiencing a significant surge in water conservancy investment, with a target of 700 billion yuan for the year, marking a historic high in water infrastructure development [6][7][8] - The province completed 566 billion yuan in various water conservancy investments in the first three quarters, ranking fifth nationally and showing a 16% year-on-year increase [5][8] - Major projects like the Tingzikou Irrigation District and Qingyu Reservoir are accelerating construction, contributing to job creation and economic growth [7][8][10] Investment and Construction Progress - The province has established a robust mechanism for project supervision and task allocation to ensure timely completion of water conservancy projects [9][10] - The Tingzikou Irrigation District project has seen a cumulative investment of 103 billion yuan, with construction progressing two months ahead of schedule [5][7] - A total of 693 billion yuan in water conservancy funds has been raised, nearing the annual target [10][11] Future Planning and Project Pipeline - Sichuan has 58 large and medium-sized water conservancy projects included in the national strategic implementation plan, with a total investment scale of 2,946 billion yuan [11][12] - The province is focusing on project reserves to ensure sustained investment growth, with plans for future projects totaling 1,546 billion yuan [11][12] - Financial policies from regulatory bodies are increasingly supporting water conservancy projects, enhancing investment confidence [13] Economic Impact - Water conservancy projects have created 113,000 jobs and contributed over 90 billion yuan to the province's GDP in the first eight months of the year [8][10] - The construction of major water projects is expected to stimulate the upstream and downstream industrial chains, further driving economic growth [7][8]

Core Viewpoint - The Sichuan provincial government is accelerating the construction of water conservancy projects to ensure water security and support economic and social development, with a target investment of over 700 billion yuan for the year 2023 [3][4]. Investment and Economic Impact - In the first eight months of 2023, Sichuan completed water conservancy investments of 500 billion yuan, a year-on-year increase of 16%, achieving a completion rate of 71.4%, exceeding the scheduled progress by 4.7 percentage points [3]. - Water conservancy projects have created approximately 113,000 jobs and contributed over 90 billion yuan to the provincial GDP, demonstrating the sector's role in promoting investment, stabilizing growth, and ensuring livelihoods [3]. Project Development and Planning - The provincial government has approved a three-year action plan for the construction of a provincial water network, with all 21 city-level water network construction plans completed and 178 county-level plans entering the approval process [3]. - Key projects such as the Long March Canal water diversion and modernization of the Dujiangyan irrigation area have made significant progress, with several major water conservancy projects nearing completion [3][4]. Strategic Focus and Goals - The current phase of water conservancy construction in Sichuan is characterized as an opportunity and critical period, with a focus on integrating water conservancy work into broader economic and social development [4]. - The government emphasizes the importance of balancing traditional and new projects, construction speed and quality, and development and safety, while implementing five key measures to ensure effective project execution [5]. Operational Management and Future Planning - The government is committed to achieving the annual investment target of over 700 billion yuan and ensuring the completion of key projects, with a focus on quality management and safety in construction [5]. - Plans are in place to develop a project pipeline that includes reserving, starting, constructing, and completing projects in a coordinated manner for the upcoming year [5].

Investment Scale - The province has over 1,500 ongoing water conservancy projects with a total investment scale of approximately 250 billion yuan, aiming to complete over 70 billion yuan in water conservancy investments this year [2][3] - There are over 4,400 water conservancy projects in reserve, with a total investment scale exceeding 870 billion yuan [2] Project Construction - This year, the construction of 55 medium and large-scale ongoing projects, including the first phase of the Xiangjiaba Irrigation District and the Mi City Reservoir in Liangshan Prefecture, will be accelerated [2][9] - Major projects such as the modernization of the Dujiangyan Irrigation District and the flood control project for the Yellow River in Sichuan will commence, along with the construction of eight medium-sized reservoirs [2][9] Project Progress - The Bai Jing Canal project is reported to be the longest water diversion tunnel under construction in Southwest China, with a total length of approximately 15 kilometers, expected to be fully connected by August, three months ahead of schedule [3][4] - The first phase of the Tingzikou Irrigation District project has opened 346 work faces, with over 5,000 construction workers involved, and significant progress has been made in tunnel and channel construction [5] Economic Impact - In the first quarter, the province completed various water conservancy investments totaling 10.3 billion yuan, which is estimated to drive GDP growth by over 20 billion yuan [6] Future Planning - The province is actively preparing for the "14th Five-Year Plan" with a focus on major water conservancy projects, including the Changzheng Canal water diversion project, which is expected to start construction during this period [10][11] - The water conservancy investment in Sichuan has shown unprecedented growth, with investments reaching 66.6 billion yuan last year, and plans are in place to significantly increase investment in the upcoming "15th Five-Year Plan" [13]