Thread: CHICAGO | CNA Center (151 N. Franklin) | 568 FT | 36 FLOORS
View Single Post
  #428  
Old Posted Mar 8, 2017, 6:44 PM
SamInTheLoop SamInTheLoop is offline
you know where I'll be
  
Join Date: Sep 2006
Posts: 5,543
^ I've typically taken it to mean slab top to slab top....though could've been wrong.....
__________________
It's simple, really - try not to design or build trash.