I'll send you a sketch of the roof they had designed and see if you can see where the problem was...
once it 'twigs' it's quite funny, but an expensive mistake to make.
/and one reason why I'll NEVER become a full architect. I much prefer the lower lights of an Arch. technologist. We design, and we KNOW it works.
( The Great Architect is still waiting for his account to be deleted on, Tue 26 May 2009, 20:18, archived)