Hi,
Currently, I have a steel structure project that we modeled in Revit with the steel connections. The steel contractor received the permit drawings and our Revit model.
The contractor was happy about that because it reduced their time for a review and first estimate substantially.
I...
To meet fire separation requirements for townhomes, you'll need to match one of the approved fire-rated wall assemblies, such as two separate 1-hour fire-rated walls, where each wall assembly is rated for fire exposure from both sides.
Code allows for adding layers to approved UL assemblies...
I would expect that you provided a detail for the joist seat bearing on the CMU. If said detail is dimensioned to the center of the wall then I can see where they are coming from.
However, my firm also gives only dimensions to the face of wall since these are more appropriate in the field...