So I start a new job tomorrow and my first job is first fixing a load of new builds, the thing is, os that I've never worked on new builds before, so what should I expect, I.e, are boxes going to need chasing in? Am I going to have to drill through the joists for cable routes etc, I know every site is different, but what's the norm? Are there any tools that are a must have? I'm trying to gauge as much info as possible before starting