Super cool. However I think they are missing a crusial optimizarion strategy. In morning rushhour. More elevators should be dedicated to only going up and never pick anyone up on the way down. And fill up a single dedicated cart for downwards traffic as much as possible to maximise utilisation.

Handheld band saw for the pros:

https://www.milwaukeetool.com/products/details/m18-fuel-dual-trigger-deep-cut-band-saw-kit/2929s-22