In the November CLC they acutally have a shot with the elevator installed - sneak sneak peak!
https://www.metrolinx.com/en/greaterregion/projects/docs/finchwest/CLC-November-2022.pdf
Also a shot of finch west.
Some great photos of the construction progress in the November CLC update.
https://www.metrolinx.com/en/greaterregion/projects/docs/finchwest/CLC-November-2022.pdf
The original EA has a lot of the info here: http://thecrosstown.ca/the-project/reports/related-projects/FinchEAReport
It would be above ground until beecroft.