1. Use 120 ton crawler crane to complete the installation of platform canopy steel column

2. Set up support frame and lift the first steel structure truss string

3. Hoisting the second steel structure  truss string and connecting it with the middle ball joint

4. Hoisting the third steel structure truss string

5. Hoisting the fourth steel structure truss string

6. Installation of steel structure truss room support and GZ2

7. Hoisting the fifth steel structure truss string

8. Install the sixth steel structure  truss string

9. Hoisting the tie bar and cable structure between steel structure  trusses

10. Hoisting the lower steel structure truss string

11. When installing to the seventh steel structure truss string, remove the support of the first steel structure truss group

12. Install the eighth steel structure  truss string and remove the second steel structure truss support

13. Install the ninth steel structure truss string and remove the third steel structure truss support

14. Similarly, lift the remaining chord steel structure truss

15. The roof structure system is completed, the local cable force is adjusted, and the support frame is removed

16. installation of platform canopy steel structure completed