Ok, I can see why you used those items within the design now, but I think they might be a red herring.
I know your probably gonna hate me, but I wouldn't use them and if they have asked you to use them they are wrong, just my opinion obviously.
To me architecture is about beautiful buildings, surface and design. What about focusing on buildings design, maybe incorporate it into a the typography perhaps. David Airey has just completed an identity for an Architectural firm
Logo design process for Berthier Associates | David Airey » graphic designer, logo designer and the result great.
Sorry I don't mean to be negative!