Group 1 - The Changsha Beichen New River Delta Project A2 Zone has completed the main structure of Building 1 ahead of schedule, marking a significant milestone in the construction process [1][3] - The project covers a total construction area of approximately 236,000 square meters and includes seven individual buildings, featuring high-end apartment-style offices, boutique commercial spaces, and river-view residences [3] - Building 1, as the core structure, employs a frame core tube structure and has faced significant challenges due to its deep foundation pit of nearly 17 meters and a 45-meter high steel structure crown on the roof [3][5] Group 2 - The project team has actively applied intelligent construction technologies and equipment, emphasizing technological innovation to drive construction transformation [5] - A newly developed adjustable height platform for attached lifting scaffolding has been implemented, allowing workers to easily and accurately adjust protective heights in response to varying floor heights, significantly enhancing safety [7] - The project also utilizes BIM technology to create a three-dimensional digital model, addressing complex construction challenges and improving efficiency by 20% through the use of laser leveling robots and increasing quality inspection efficiency by four times with cloud measurement robots [7]