Map looks good enough, but I dont really get a hold of the setting.. What kind of complex is this? Office or some sort of factory? You should go for one or the other. There is lots of nice flowers and trees even a bench to relax on, very office like, but over there lies a barrel with radioactive stuff and there is another with some biohazard shit in it, very "secret factory" like heh.
You see what i mean?