After think about this some more, I think the more important thing being changed by creating an opening is the moment forces being applied to the footing. I think the overall load of the footing on the subsurface is mostly the same assuming the footing is fairly rigid.
Maybe a better way to...
In a prior life I was a practicing Civil PE, but have moved on to other things. Unfortunately, I did not do much work in residential building, so I don't have a good working knowledge of the codes.
I've got what I think must be a very typical design change for a home. I am planning on...
