Not less than 45°. The plan layout of the tie-rod cantilever scaffolding is erected along the perimeter of the building's exterior wall, with one tie rod erected every 1.5m. When the cantilever length of the steel beam is less than 2600mm, one tie rod is installed; when the cantilever length is greater than or equal to 2600mm and less than or equal to 3000mm, Set up two inner and outer tie rods, and the angle of the tie rods of the flower basket cantilever scaffolding shall not be less than 45°.