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Construction time：2014            Completion time：2015            Project area：                        Volume of steel：2,700t

Project description： Security Building located in mecca, Saudi Arabia，Consist of four helipads and several arbors Jinggong Steel is mainly responsible for deepening design, node design and the processed and port arrived in Saudi Arabia.

Bright spot： The ramp is structured as space truss with compisition of three main truss, two circle truss and 18 common cantilever truss.Overall assumes the circular structure, 42 m diameter, height of 6.5 m.As requested by owner,three common main truss, the inside of the ring truss, and the one horn of the cantilever truss are assembled in the factory.Pergola by nature, can be connected with the cantilever steel structure, meet the AESS requirements.