The steel structure works for adding stories for Hubei Provincial Development and Reform Commission are conducted at Dong First Road in Wuhan’s bustling Shuiguohu. The project adopts new-type. environmentally-friendly and high-tech steel structure; the total weight is 870 tons and the floor area is about 10,000 square meters. The floor is divided into four axes and two major spans. Rectangular steel columns are erected on the axes and connected with large H-beams; between main beams, there are crossing of small H-beam sub-beams; floor decks are laid on the slabs of each floor of structures. At the top of the floor, structural models are arranged. The roof is laid with composite sandwich faceplates in the color same to that of the structure body, which shows the stateliness of the Development and Reform Commission. All procedures of this project were completed in 120 days with required quality, and the project was well received by the owner and the supervisor.