Quote Originally Posted by azmodane View Post
torch and welder for what? to raise or lower the levels? they are high enough apart for the tubs to fit with about 4 inches to spare plus they aren't welded in they just pop out with a little hit of a rubber mallet....
Youd be surprised how much work will be needed to modify that compared to building one from ground up.

You would need a way to attach/cut rails to hold the tubs in.