bending

Hi All, Had a water tank problem and while fixing it, noticed that one of the collar ties in our loft has a proper bend in it. The house is a 1990's new build and is at the end of a row, so the roof slopes at the front, back and at one side. Roughly half way across the loft space is a post...

My builder is saying that the bending details for the reinforced wall needs to be done by our architect and the architect is saying the opposite. Any idea who is correct would be appreciated my gut feel is the person who designs the wall should do this and the builder is then reaponsible to put...