Looking in Google Streetview, I don't see what that chunk of concrete is for. It doesn't look structural. Perhaps it was redundant after the 2015 renovations?
https://www.google.ca/maps/@43.1654162,-80.2434359,3a,66.9y,251.12h,108.7t/data=!3m6!1e1!3m4!1spB8UiTebmG7dt3iAlBv2qA!2e0!7i16384!8i8192