Mmmm. I saved the DXF files to DWG and created new layers for dimensions. I changed my dims to be fractional since my tape measures don't have decimals on them and i'm not a metalworker (those guys take prescision seriously

).
So basically i'm re-dimmensioning everything. Im sure ther is other ways of doing this, but i'm an amateur at this.

Maybe some of the other guys can chime in.
An incomplete example: