Blender 2.8 how to bevel edges correct

Hello. I want to bevel and round the pylon edges, but i can’t do it how i want? Maybe someone know the correct and fastest way?
pole.blend (642.7 KB)
It should look like this
stulpas%20nupiesti%20(1)

Select edges, Ctrl-B. Or use the Bevel modifier. Or a mix of them (Ctrl-B on the larger bevel, modifier for the smaller ones).

If the bevel doesn’t look as expected, apply scale with ctrl+A in object mode before beveling.