Yup, you called it Milt.
In our commercial applications we have to use spacers, but I make sure our guys lift the mat into the bottom third of the pour.... trust me I have it checked if I'm not there! Afterall I'm a geek enguneer
I've poured and finished my fair share of concrete too. The crew and I get along very well. I love these guys!!!
my current sub-division being built out.....