Three more adds :
1. Custom Translator :
Option 1 : create Layers according to Pen Numbers for basic but poor drawings in ACAD : Pen0,50, Pen0,35, Pen0,25, ...
Option 2 (I prefer) : use ArchiCAD Layers and define a seperate layer for doors, windows, etc...
2.
Model View Options !!! : create a custom set "export to dwg" to have background fills
transparent
3. If your consultants keep on screaming for better streamline, then make different Worksheets for each story, elevation, ... and use the Edit > Reshape > Linework Consolidation / Fill Consolidation tools to clean up lines and fills ! 15 minutes of extra work that can make the world so much brighter