A week later, and I am happy to report that neither the EarthTainer III with the upper anchor bolts, nor the worst case test unit without the upper anchor bolts failed the 175 pound weight test.
In removing the unbolted Aeration Bench to look for any deformities in the support assembly, it looked as new:
Even examining the bolt holes themselves where stress would have occurred, everything looks fine:
So, my conclusion is that securing the Aeration Bench to the outer container with just the two upper bolts as in the current Guide is more than sufficient.
Raybo
