Yeah, I dont think it has holes. Thats ok though, I will cut my sections, then just run it through my drill press. I plan to go all the way through the metal bracing so That should hold quite nicely.
I may just add it to the current wasteboard like you suggest. I was thinking of dropping the orig MDF lower so I dont loose 3\4 inch of potential Z axis travel. If I move the Board under the table I will probably get some nuts to put on the top of the flange to make sure those PEM nuts dont pop off (im sure they probably would).
Thats interesting that you didnt screw down your PVC sections. I suppose it does not need to be.. How has that worked for you so far?