In the house under construction, the steel beams of the tower crane are fixed on the columns on both

This is in line with the requirements, the tower crane must be attached to the building after the tower exceeds the standard tower, either on the shear wall or on the beam, generally embedded iron plate, or drilled to install bolts, like this simple and rough form is relatively rare. However, this should not have much impact on the structure.

This is in line with the code and will not affect the structure of the house.