Ok, I'm recovered from my mini marathon and am back at work...
I have come a long way!
I wanted the holes to be cleaner for the wheel chocks and found I could drill by hand and get a nice clean cut.
and then flipped it over to trim the hole,
And found this, I LIKE IT!!!
Pain in the butttt fitting it all but everything will line up nicely I think. Have to stop because each piece needs to be bolted down before I can do final installation.