An article discussing large scale bokashi can be found at
http://themanicgardener.com/2011/03/large-scale-bokashi-1.html
Unfortunately only a picture and no plan for building these bins.
If that scale is not large
enough then check out this
video at
Here they builld a giant bokashi heap of 500 (metric) tons of "stromest" (
straw and manure mix), "grasafval" (wasted/garbage grass) and "drijfmest" (liquid manure). I am sure they get a hefty discount on those huge bags of bokashi bran