I would think if you could round up a 5" or so core drill and put a hole down 5 or 6 feet place a perforated drain pipe, place a grate on it and be done. A round hole shouldn't weaken the concrete enough to be a problem. The overall amount of water that ends up in the garage is what a few...
I built a truss out of box tubing that sits on top of the slides that hold the arms.
I needed it to unload a ironworker that weighs around 2000lb. It works much better
than using the arms, It also gives you a higher lift Don't have any pics that would help explain
Been looking around for a while, figure might as well sign up.
Involved in a lot of different hobbies, anything auto related, metal fab & casting, wood working. Kicking around the idea of building CNC plasma table.
I'm in Atascadero, California Thanks Jeff