That is an unusual construction technique (from a US perspective). I've not seen concrete girders like that. And what type(s) of wood are being used? What is the building's use? I know this is watch-unrelated but if you could elaborate just a little...?
Worn dial, cleaned, but my favorite dial layout. Worn strap, although original Omega. Worn shirt. Buckle is a gift from an old friend, belonged to his dead Seamaster Quartz from 1974.