Hello In addition -- In the attic, cantilever beams come out of the columns S01-S02-S03 and S09-S10-S11, support the rib floors, --You can hang the beams outside the building, --Increase the width of the interior beams a little 30 cm, --In the place where the ladder is supported on the floor put a beam, -- If you are not going to use the attic, do not take the stairs, reduce the floor loads, -- adjust the console so that the side edges of the balconies are ribbed so that the edges do not remain idle. Unver ÖZCAN