For all columns on gridlines B to E and 2 to 4, make those with base_level L0 to L4 600mm, base_level L5 to L7 450mm, and the levels above that should be 400mm
For columns between L1 and L3, make them column type PT sq
columns at gridline B to E and 2 to 4 need to get thinner at higher levels. Your sizing instructions are below
form L0 to L4 it should be column_type UC, size 356x406x634
from L5 to L7 it should be column_type UC, size 356x368x177
everything above that should be column_type UC, size 305x305x118
make all of the columns column_type RC sq, size 500mm
make all of the columns UC 356x368x177