Ok, good eyes...however.
I was not aware it was required to tape every foil joint...I did not do this work, but still I was not aware. If that is something that is required, I will for sure do it.
The joist actually is a 2 x 10 - so I think I am ok on that point.
As for the PVC Vent...there is actually going to be a soffit built around that...as there was no other way to run that vent line.
I will make sure the sheetrock does not touch the duct work...I think I am good on that note.
Thanks again...good eyes!