DSCToronto
Superstar
They did a much larger portion (the entire paving from the ticket booths to here) in just a few weeks. They could do it in two segments to allow an entrance on one side, then switch. There's plenty of space.
Actually the first part started in late 2017 and took several months - until early May. It was certainly more complex due to the steps and the Layton statue but ….
I guess you have never been at the Docks on a summer weekend; it gets VERY crowded and it really makes far more sense to do it, as they are, over two 'off-seasons.