https://storeys.com/armco-g2s2-first-canadian-centre-calgary BMO
https://en.wikipedia.org/wiki/First_Canadian_Centre
“In addition, we’re excited to share the potential for a residential tower on-site, leveraging the existing foundation originally designed for a 64-storey structure in 1981. If developed, this project could further enhance the property’s position as a dynamic, mixed-use destination, integrating living, working and retail spaces in Calgary's downtown.” https://renx.ca/calgarys-first-canadian-centre-office-tower-sold-to-armco-capital
https://www.skyscrapercenter.com/building/first-canadian-centre/2963
The BMO tower in Toronto is 72 stories & the stump version is in Vancouver, which only has 32 floors.
