Our house is built on a slab. We want to remodel a bathroom and turn a shower area into a toilet room and then put a 2nd vanity where the toilet used to be. Is this possible without jack hammering up the floor and running major pipes etc?? Its a 2 story home and this bath is on the first floor. We don't plan to do the work ourselves, but I want to understand what is needed before we go down this path. I trust no one! I have been told it is "no big deal", but I worry that it is a big deal if you do it correctly.