Good on ya guys, This sort of work was all I used to do after I came out of my time as an Electrician. I did a whole restaurant this way (Yes, that one John), just by "pocket work". It is time consuming and yes it is frustrating, but the rewards are up there, if only a psychological one. I HATE seeing anything run on the surface, it's the lazy way out. Of course. a totally concrete building would be an exception.