[quote=“drvnkd,post:13,topic:44397"”]
Just bolt one to the floor.
Does the concrete need to be thicker to support a light duty lift?
Tell him you will fill the holes and throw an epoxy coating on the
floor, so it’s win win. Unless you die.
If you build a portable one you might be expected to whore it out as we will all
have claims on the design concept now 
[/quote]
i am pretty sure they need to be in a foundation. a slab isnt going to cut it. so he would need to do a little digging, but i could be wrong. i hope i’m wrong 