The rosette welds on the top are not needed. The sides are OK because you will be adding the bump cans to them.
Am I thinking wrong? Is the blow through not needed to be plated? Also on the back sides of the hoops there is a gap exposed and open to moisture.
If my reasoning is wrong by all means correct it, I don't know how to build this correctly and looking for a solid piece.

Nope, you're on 432...I'm on page 431.
