The project is located in Donggang District, Rizhao City, Shandong Province, covering an area of about 90000 square meters. The total construction area of the steel structure project is about 27000 square meters, and the total steel consumption is about 3450 tons. 1 # Water Park has a span of 119 meters, a building height of 27 meters, and an entrance hall span of 86 meters. It adopts a structural form consisting of V-shaped columns, large-span spatial steel trusses, single-layer mesh shells, and suspended domes; 2 # Market Square is a grid structure with a curved roof plan, with an inner radius of about 70 meters and an outer radius of about 107 meters, and a building area of about 8200 square meters.