以“三高”标准 书写烧碱建设优异答卷

Core Viewpoint - The successful completion of the 300,000 tons/year ion membrane caustic soda project by China Chemical's Fourth Chemical Construction North Company marks a significant milestone in promoting the green upgrade of the chlor-alkali industry in Tianjin, showcasing the company's comprehensive strength in large-scale chemical EPC projects [3][4]. Project Overview - The project, which includes 14 production units and supporting public engineering facilities, was completed on June 30, 2025, and has begun producing qualified caustic soda products [3]. - The project was characterized by high complexity and a dense intersection of specialties, with a construction period of 19 months, achieving "zero accidents, zero defects, and zero delays" [3][5]. Party Building and Management - The project implemented a "Party Building + Production Management" integration model, establishing a "553" work mechanism to enhance project construction efficiency [4]. - Safety measures included over 120 safety inspections led by party members, ensuring effective hazard identification and rectification [4]. Construction Efficiency - The project adopted a "no soil construction" approach, achieving over 80% factory prefabrication of steel structures and pipelines, which minimized on-site interference [5][6]. - The project team divided construction tasks into 128 key nodes, ensuring efficient completion of civil works and precise equipment installation [5]. Technical Innovation - The project utilized digital tools such as "eZWalkerReview" and "Tekla" for digital pre-assembly, which helped avoid over 500,000 yuan in rework costs [7]. - A digital welding management system was implemented, reducing welding defects to below 1.2% [7]. Management Innovations - The project adopted a "divide and conquer" management model, organizing the site into two main areas with dedicated management teams for each unit [8]. - A peak construction period saw over 800 workers on-site, with measures taken to ensure worker health and safety during high temperatures [8]. Future Directions - The successful execution of the Tianjin Bohua Phase II project has established a model for project construction that emphasizes party leadership, technological efficiency, and quality management [8]. - The company plans to leverage the lessons learned from this project to enhance management practices in future EPC projects [8].