Hey d,
I understand, that is the reason I wrote to you, because I suspected that might be the case.
As for the the brief itself, since we don't do remodeling ourselves, I am afraid that a blueprint and/or more importantly precision lines is not a top of mind idea. The best thing about Logotournament is that people can protect certain ideas if they were not mentioned specifically in the brief.
Now I see that doesn't help you much in this situation, but I just wanted to clear things for you.
Cheers