Data management for perimeter beams modelling

hi every one
I want to model a diagrid structure for a high-rise building , and analyze it with karamba
my problem is with perimeter beams modelling because I cant manage its data tree.

as you can see in the photo i have modeled some of them but the problem is in modelling the beams between them

i upload my file here, can anyone help me to fix this pleas? (74.9 KB)