maestro
Senior Member
BA has only 16 exterior columns for its massive plate. Longer spans are cheaper in steel.
I'm sorry if this has already been covered in the thread but could someone please explain why BA2 is using steel girders when most construction in this town (like the new RBC building) is poured concrete. From what I can tell most other cities use the steel frame method of BA2, but in this as in much else Toronto seems to have its own way of doing things.