Lots of floor drains!!!!!! Also, Hot & Cold water supply. Multiple pass through pipes to the brewhouse. Lots of space for keg storage (empty and full). A keg hoist to make stacking easier. Space for your bottling operation to store full cases. Definitely want to consider building it in such a way that you would be able to get more brite tanks into the cold room in the future without having to rip the place apart.