I have played the map for a bit and am really liking it, but I did find a bug where if you throw a smoke in front of a couple windows you can see people through it.
This screenshot will show you what I mean.

http://images.akamai.steamusercontent.com/ugc/355024085881649192/961117DE1136BF4AF07EDD50FAA8FA9F62A89528/

This is a big problem for competitive play and I hope you are able to fix it