Core Viewpoint - The intelligent safety management system for confined space operations developed by China State Construction Engineering Corporation (CSCEC) has successfully transformed safety management from passive response to proactive prevention in the construction industry, enhancing safety measures in projects like the Hongdao Metro Command Center and Jinan Airport [1] Group 1: System Features - The system incorporates a facial recognition access control system and high-definition AI cameras to manage personnel qualifications and behavior, establishing a dual "electronic defense" to prevent unauthorized access [2] - A high-precision four-in-one gas detector continuously monitors air quality in confined spaces, providing real-time data analysis and triggering alarms in case of hazardous gas levels or abnormal oxygen concentrations [3] - The system employs a combination of carrier devices and wireless extenders to ensure stable communication in enclosed spaces, achieving full Wi-Fi coverage and enabling real-time data transmission without delays [4] Group 2: Management Efficiency - The system integrates the approval process for confined space work tickets with IoT devices, creating a comprehensive intelligent management system that automatically verifies air quality data and rejects applications if standards are not met [5] - Feedback from the application of the system in key projects indicates a significant reduction in safety incidents and an increase in safety awareness among workers, with management efficiency improving by over 30% [5] - CSCEC plans to continue focusing on digital innovation across the construction industry, optimizing the "Cangqiong Huijian AI" safety management system and exploring more applications of technology in safety [6]