It looks like they are currently framing the first of the two extra height floors.
Then the mechanical which looks to be the equivalent of 5 regular height floors.
(this is based on the wind study model - link posted previously)
The planning report from July 18, 2014 lists this one as 156-174 Front St W and 43-51 Simcoe St, so unfortunately it looks like a reduction.
Or hopefully a typo in the site plan approval document...
The bridge actually pre-dates the Menkes project and would have been built without it. The bridge is initially designed and created for RBC Waterpark Place, the Menkes project just got in the way.