The underground foundation construction for China National Petroleum Corporation’s first POE production facility – the 100,000-ton/year POE plant of the Blue Sea New Materials project – has been successfully completed

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Recently, with the pouring of the final batch of concrete completed, the underground foundation construction for the 100,000-ton/year POE plant of the Blue Sea New Materials project, which is being built by CNPC Sixth Construction Company, has been fully completed to high standards. This move marks a decisive and significant milestone victory for the project, laying a solid and firm foundation for the subsequent full installation of equipment and the laying of process pipelines. As the \"skeleton\" and \"foundation\" of the entire POE system, the construction quality of the underground foundation is directly related to the overall safety and operational efficiency of the project. Faced with challenges such as technical complexity and stringent standards, the project team adhered to the craftsman spirit of \"striving for excellence and creating high-quality products.\" By leveraging their expertise in the construction of large-scale chemical plants, they implemented full-process simulation optimization, meticulous and modular construction management, along with intelligent monitoring techniques, to ensure that the alignment, elevation, strength, and integrity of all foundation works met or exceeded the design specifications. This approach enabled the achievement of an optimal balance among quality, safety, and schedule. The 100% completion of the underground foundation marks the full realization of soil-free construction at the project site, representing an important milestone in accelerating the project’s progress. The so-called \"soil-free\" phase means that the large-scale earthwork and foundation concrete work has been completed, and the focus of work on site has shifted from the underground to the above-ground area; work has now fully entered the stage of installing equipment, pipelines, steel structures, electrical systems, and other components at a higher level. This transformation has greatly improved the working conditions on site, creating optimal conditions for the deep integration and simultaneous execution of various tasks by different professionals. It effectively avoids the traditional problem of interference between civil engineering work and installation activities, thus accelerating the overall progress of the project. The successful development of this POE facility holds paramount strategic significance for breaking foreign technological monopolies, filling the gap in high-end polyolefin products in China, optimizing the layout of China’s petroleum downstream industry chain, and contributing to the high-quality development of the energy and chemical industry. Next, all members of the project team will seize the golden opportunity presented by the \"soil-free\" construction method, maintain their high level of enthusiasm, make thorough plans, organize tasks scientifically, and devote every effort to the more complex tasks of equipment installation and debugging, so as to ensure that this project becomes a safe, high-quality, and exemplary project.