Add drop panels to reinforce a structural floor at column locations
Where is it?
 Structure panel
Structure panel Floor drop-down
Floor drop-down
 (Floor: Structural)
 (Floor: Structural)  Build panel
Build panel Floor drop-down
Floor drop-down
 (Floor: Structural)
 (Floor: Structural)  Draw panel
Draw panel Boundary Line, and use the sketching tools to complete a sketch of the drop panel. The sketch must form a closed loop or boundary condition.
Boundary Line, and use the sketching tools to complete a sketch of the drop panel. The sketch must form a closed loop or boundary condition.  Mode panel
Mode panel
 (Finish Edit Mode).
 (Finish Edit Mode). 
