Moving, going to need to build a garage

Just thought of this (because previous posts mentioned concrete)

Upgrade the standard psi rating.


I believe the car lifts say they want 4" of concrete.

I didn't do that, I figured out all the various possible places that different car lifts could fit in my garage (still under construction) and criss-crossed the slab with footers at those locations.

I can fit 2 lifts here, somewhere: