During the process of erecting the first layer scaffold, a diagonal support shall be set up along each frame lattice around, and the corner shall be added in two directions. The scaffold and the wall connecting parts of the main structure of the part can be removed after they are reliably tied. When the scaffold operation layer is two steps higher than the wall connecting parts, it is advisable to set up the outer row first and then the inner row. The rest shall be set up according to the following structural requirements.